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Cheap flights from Knoxville to Ontario (TYS - ONT) from $163

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
TYS — ONT
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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The best prices from Knoxville McGhee Tyson to Ontario are usually found in February or September, booked 40 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Knoxville to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 2, 2024.

Popular in

May

Cheapest in

February

Round-trip from

$238

One-way from

$217
High demand for flights, 46% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Knoxville McGhee Tyson to Ontario
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One-way flight from Knoxville McGhee Tyson to Ontario
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What is the cheapest day to fly round-trip from Knoxville to Ontario?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Ontario. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Knoxville to Ontario?

To save up to 98% on this flight, we recommend booking at least 40 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Knoxville to Ontario from $376 1-2 weeks out and tickets from $486 for flights departing within the next 72 hours.

What is the cheapest month to fly from Knoxville to Ontario?

February can be a great time to fly to Ontario from Knoxville with a flight ticket averaging about $449. Cheapflights users have found deals in the month of February for as cheap as $234. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from TYS to ONT?

Unlike in the evening, when flights are generally more expensive, you can save up to 15% on flights from Knoxville to Ontario by exploring options for tickets at noon.

Cheap Alaska Airlines flights from Knoxville to Ontario

Explore cheap flight options specifically provided by Alaska Airlines for the route between Knoxville and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Check out some of the cheapest Alaska Airlines flights we've come across from Knoxville to Ontario. It's recommended that users confirm their flight details before booking.
Fri 8/162:29 pmTYS - ONT
2 stops12h 30mAlaska Airlines
Wed 8/217:00 amONT - TYS
2 stops14h 19mAlaska Airlines
Deal found 6/1$633
Sat 6/82:32 pmTYS - ONT
2 stops12h 26mAlaska Airlines
Mon 6/108:09 pmONT - TYS
2 stops12h 05mAlaska Airlines
Deal found 6/1$868
Sun 6/96:00 amTYS - ONT
2 stops12h 26mAlaska Airlines
Mon 6/108:09 pmONT - TYS
2 stops12h 05mAlaska Airlines
Deal found 6/1$968
Fri 6/286:00 amTYS - ONT
2 stops12h 29mAlaska Airlines
Fri 7/124:24 pmONT - TYS
2 stops15h 49mAlaska Airlines
Deal found 6/1$1,038

Cheap Frontier flights from Knoxville to Ontario

Explore cheap flight options specifically provided by Frontier for the route between Knoxville and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Some of the best deals we've found on Frontier flights traveling from Knoxville to Ontario. Deals frequently update to provide users with more options.
Sat 8/175:40 pmTYS - ONT
1 stop21h 35mFrontier
Tue 8/201:32 pmONT - TYS
1 stop24h 45mFrontier
Deal found 6/1$190
Wed 8/77:48 pmTYS - ONT
1 stop6h 51mFrontier
Sat 8/177:30 amONT - TYS
1 stop6h 20mFrontier
Deal found 5/31$198
Wed 8/77:48 pmTYS - ONT
1 stop6h 51mFrontier
Fri 8/1612:49 amONT - TYS
1 stop13h 01mFrontier
Deal found 5/31$199
Mon 6/2410:41 pmTYS - ONT
1 stop11h 46mFrontier
Mon 7/87:19 amONT - TYS
1 stop11h 21mFrontier
Deal found 6/1$223
Sat 6/85:51 pmTYS - ONT
1 stop19h 48mFrontier
Sun 6/912:59 amONT - TYS
1 stop17h 40mFrontier
Deal found 6/1$224
Mon 7/810:40 pmTYS - ONT
1 stop11h 47mFrontier
Sat 8/310:41 amONT - TYS
1 stop7h 22mFrontier
Deal found 6/1$230
Mon 7/810:40 pmTYS - ONT
1 stop11h 47mFrontier
Thu 8/112:59 amONT - TYS
1 stop17h 37mFrontier
Deal found 6/1$239
Fri 8/165:42 pmTYS - ONT
1 stop15h 48mFrontier
Tue 8/2012:49 amONT - TYS
1 stop13h 28mFrontier
Deal found 6/1$240
Mon 7/2210:40 pmTYS - ONT
1 stop11h 47mFrontier
Sun 7/2812:59 amONT - TYS
1 stop17h 41mFrontier
Deal found 6/1$253

Cheap Knoxville to Ontario flights in June & July 2024

Find cheap flight options from Knoxville to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
Listed are some of the best fares we've found on flights departing from Knoxville to Ontario in 2024. More deals are always being added, so be sure to check back regularly.
Mon 6/2410:41 pmTYS - ONT
1 stop11h 46mFrontier
Mon 7/87:19 amONT - TYS
1 stop11h 21mFrontier
Deal found 6/1$223
Sat 6/85:51 pmTYS - ONT
1 stop19h 48mFrontier
Sun 6/912:59 amONT - TYS
1 stop17h 40mFrontier
Deal found 6/1$224
Fri 6/2810:32 pmTYS - ONT
1 stop28h 16mFrontier
Thu 7/1112:59 amONT - TYS
1 stop17h 37mFrontier
Deal found 6/1$233
Sat 6/85:51 pmTYS - ONT
1 stop9h 06mFrontier
Mon 6/107:13 amONT - TYS
1 stop11h 26mFrontier
Deal found 6/1$278
Fri 6/1410:32 pmTYS - ONT
1 stop18h 26mFrontier
Wed 6/198:03 amONT - TYS
1 stop7h 44mFrontier
Deal found 6/1$285
Fri 6/710:32 pmTYS - ONT
1 stop28h 25mFrontier
Fri 6/1412:44 amONT - TYS
1 stop13h 15mFrontier
Deal found 6/1$290
Fri 6/2810:32 pmTYS - ONT
1 stop28h 16mFrontier
Fri 7/127:19 amONT - TYS
1 stop11h 17mFrontier
Deal found 6/1$321
Mon 6/1010:41 pmTYS - ONT
1 stop11h 46mFrontier
Wed 6/128:03 amONT - TYS
1 stop7h 44mFrontier
Deal found 6/1$329
Sun 6/166:00 amTYS - ONT
1 stop7h 03mAmerican Airlines
Wed 6/1910:45 pmONT - TYS
1 stop6h 51mAmerican Airlines
Deal found 6/1$348

Knoxville to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Knoxville and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Listed are some of the best fares we've found on flights departing from Knoxville to Ontario in 2024. More deals are always being added, so be sure to check back regularly.
Sat 8/175:40 pmTYS - ONT
1 stop21h 35mFrontier
Tue 8/201:32 pmONT - TYS
1 stop24h 45mFrontier
Deal found 6/1$190
Wed 8/77:48 pmTYS - ONT
1 stop6h 51mFrontier
Sat 8/177:30 amONT - TYS
1 stop6h 20mFrontier
Deal found 5/31$198
Wed 8/77:48 pmTYS - ONT
1 stop6h 51mFrontier
Fri 8/1612:49 amONT - TYS
1 stop13h 01mFrontier
Deal found 5/31$199
Mon 6/2410:41 pmTYS - ONT
1 stop11h 46mFrontier
Mon 7/87:19 amONT - TYS
1 stop11h 21mFrontier
Deal found 6/1$223
Sat 6/85:51 pmTYS - ONT
1 stop19h 48mFrontier
Sun 6/912:59 amONT - TYS
1 stop17h 40mFrontier
Deal found 6/1$224
Mon 7/810:40 pmTYS - ONT
1 stop11h 47mFrontier
Sat 8/310:41 amONT - TYS
1 stop7h 22mFrontier
Deal found 6/1$230
Sat 8/176:00 amTYS - ONT
1 stop8h 47mAmerican Airlines
Tue 8/209:35 amONT - TYS
2 stops9h 01mAmerican Airlines
Deal found 6/1$233
Sat 8/175:10 amTYS - ONT
2 stops9h 43mAmerican Airlines
Tue 8/209:35 amONT - TYS
2 stops9h 24mAmerican Airlines
Deal found 6/1$238
Mon 7/810:40 pmTYS - ONT
1 stop11h 47mFrontier
Thu 8/112:59 amONT - TYS
1 stop17h 37mFrontier
Deal found 6/1$239

Knoxville to Ontario flights leaving soon

Find last-minute flight options from Knoxville to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Have a look at some of the last-minute flights available departing from Knoxville to Ontario. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sat 6/85:51 pmTYS - ONT
1 stop19h 48mFrontier
Sun 6/912:59 amONT - TYS
1 stop17h 40mFrontier
Deal found 6/1$224
Sat 6/85:51 pmTYS - ONT
1 stop9h 06mFrontier
Mon 6/107:13 amONT - TYS
1 stop11h 26mFrontier
Deal found 6/1$278
Fri 6/710:32 pmTYS - ONT
1 stop28h 25mFrontier
Fri 6/1412:44 amONT - TYS
1 stop13h 15mFrontier
Deal found 6/1$290
Mon 6/1010:41 pmTYS - ONT
1 stop11h 46mFrontier
Wed 6/128:03 amONT - TYS
1 stop7h 44mFrontier
Deal found 6/1$329
Mon 6/1010:41 pmTYS - ONT
1 stop11h 46mFrontier
Fri 6/147:13 amONT - TYS
1 stop11h 17mFrontier
Deal found 6/1$349
Sat 6/85:51 pmTYS - ONT
1 stop9h 06mFrontier
Wed 6/128:03 amONT - TYS
1 stop7h 44mFrontier
Deal found 6/1$368
Sat 6/85:51 pmTYS - ONT
1 stop9h 06mFrontier
Fri 6/147:13 amONT - TYS
1 stop11h 17mFrontier
Deal found 6/1$388
Mon 6/1010:41 pmTYS - ONT
1 stop11h 46mFrontier
Mon 6/177:13 amONT - TYS
1 stop11h 26mFrontier
Deal found 6/1$389
Sun 6/95:25 amTYS - ONT
1 stop7h 55mDelta
Tue 6/1810:00 pmONT - TYS
1 stop8h 22mDelta
Deal found 6/1$413

One-way flights to Ontario from Knoxville

Search for one-way flight options from Knoxville to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Users in need of a one-way flight from Knoxville to Ontario can choose from these deals. Users needing a return flight from Knoxville to Ontario should utilize the search form above.
Mon 9/96:17 pmTYS - ONT
1 stop8h 22mFrontier
Deal found 6/2$163
Fri 7/2610:36 pmTYS - ONT
1 stop14h 05mFrontier
Deal found 6/1$217
Sun 6/305:25 amTYS - ONT
1 stop7h 55mDelta
Deal found 5/31$269
Tue 7/164:45 pmTYS - ONT
1 stop27h 43mUnited Airlines
Deal found 6/1$343
Fri 7/269:00 amTYS - ONT
2 stops16h 45mUnited Airlines
Deal found 6/1$368
Sun 10/137:41 amTYS - ONT
1 stop6h 43mAmerican Airlines
Deal found 6/1$379
Sun 6/305:12 amTYS - ONT
2 stops11h 36mAmerican Airlines
Deal found 5/31$383
Tue 7/162:35 pmTYS - ONT
2 stops10h 05mAmerican Airlines
Deal found 6/1$384
Sun 10/207:41 amTYS - ONT
1 stop8h 44mAmerican Airlines
Deal found 6/1$399

Find flights from Knoxville to Ontario within your budget

Customize your flight search to find flights from Knoxville to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$190 - $407

Route

Depart

Return

Price

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sat 8/17

1 stop21h 35m

Ontario

Tue 8/20

1 stop24h 45m

$190

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 8/7

1 stop6h 51m

Ontario

Sat 8/17

1 stop6h 20m

$198

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 8/7

1 stop6h 51m

Ontario

Fri 8/16

1 stop13h 01m

$199

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Mon 6/24

1 stop11h 46m

Ontario

Mon 7/8

1 stop11h 21m

$223

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Mon 7/8

1 stop11h 47m

Ontario

Sat 8/3

1 stop7h 22m

$230

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sat 8/17

1 stop8h 47m

Ontario

Tue 8/20

2 stops9h 01m

$233

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sat 8/17

2 stops9h 43m

Ontario

Tue 8/20

2 stops9h 24m

$238

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 6/12

1 stop7h 55m

Ontario

Sat 6/22

1 stop8h 36m

$378

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Fri 9/6

1 stop7h 11m

Ontario

Mon 9/9

1 stop14h 11m

$407

Flights are sorted by cheapest first

Deals found on 6/1

How far ahead should I book a flight from Knoxville to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Ontario. Price data was last updated on May 31, 2024.
The best time to book flights from Knoxville to Ontario is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Knoxville to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Ontario. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Knoxville to Ontario flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Knoxville to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 2, 2024.
To help decide which airline to fly from Knoxville to Ontario, see what other customers have to say about Alaska Airlines, Frontier and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,410 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,755 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,260 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Frontier
6.2
Okay
4,006 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Knoxville to Ontario for under $200 on Cheapflights?

    Yes, there are multiple flights from Knoxville to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $190, but on average you can expect to pay $251.

  • Are there last-minute flights available from Knoxville to Ontario for under $300?

    There are currently 20+ open flights from Knoxville to Ontario within the next 7 days for less than $300.

  • What are the cheapest airlines flying from Knoxville to Ontario round-trip?

    Currently priced at $190, Frontier will fly you from Knoxville to Ontario and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $233 and $378, respectively. These flights start at 61% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Knoxville to Ontario one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $163. Users have also found prices from $269 and $343 on Delta and United Airlines, respectively.

  • What does TYS to ONT mean?

    This is defined as Knoxville McGhee Tyson Airport (TYS) and Ontario Airport (ONT). Codes like Ontario Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Knoxville to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Knoxville to Ontario that include hotel bookings?

    Yes. In addition to deals on Knoxville to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Ontario.

  • Can I find deals for business class flights from Knoxville to Ontario?

    Yes. Cheapflights offers flight deals from Knoxville to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Knoxville to Ontario that allow pets onboard?

    Many airlines flying from Knoxville to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to Ontario?

    Yes, you can often find last-minute deals on Knoxville to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to Ontario flight deals updated?

    The Knoxville to Ontario flight deals you see on this page were last updated on 6/1.

  • What are the most popular airlines that fly from Knoxville to Ontario?

    The most popular airlines flying from Knoxville to Ontario are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from Knoxville to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Knoxville to Ontario (average of $238). Flying from Knoxville to Ontario in July is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Knoxville to Ontario
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Top 4 airlines flying from Knoxville to Ontario

Discover the top 4 airlines that operate flights from Knoxville to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$238Average$365FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$275Average$444FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$327Average$488FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$394Average$487FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Knoxville to Ontario by cabin class

Find flights from Knoxville to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Knoxville to Ontario?

When you search for this flight from Knoxville to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Knoxville to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Knoxville to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Knoxville to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Knoxville? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Knoxville to Ontario become cheaper?

Yes! Start tracking prices for Knoxville to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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