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Cheap flights from Dublin (DUB) to Ontario (ONT) from $495

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 9/4. 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.
DUB — ONT
Jun 8 — Jun 151
From?
To?
Sat 6/8
Sat 6/15
1 adult, Economy
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Cheap flight deals from Dublin to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) 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 3, 2024.

Round-trip from

$238
From Dublin to Ontario
Search Deals

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

To save up to 50% on this flight, we recommend booking at least 28 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Dublin to Ontario from $515 1-2 weeks out and tickets from $717 for flights departing within the next 72 hours.

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

February is one of the best times of the year to fly to Ontario from Dublin. Prices for February average $626 per person but you can even find prices for as low as $287. The most expensive prices can be found in the month of July. Opting for a February flight can save you 44% on your journey compared to booking in July

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

When flying from Dublin to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap American Airlines flights from Dublin to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between Dublin 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 2,807,690 searches. Data last updated June 3, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Dublin to Ontario. Deals update often to give you more flight options matching your criteria
Mon 6/1012:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sun 6/238:10 amONT - DUB
1 stop17h 35mAmerican Airlines
Deal found 6/2$615
Thu 9/512:40 pmDUB - ONT
1 stop15h 04mAmerican Airlines
Thu 9/1910:50 amONT - DUB
1 stop14h 55mAmerican Airlines
Deal found 6/2$673
Sun 6/912:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sun 6/1612:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/2$701
Sat 6/811:45 amDUB - ONT
1 stop17h 42mAmerican Airlines
Sat 6/228:10 amONT - DUB
1 stop17h 35mAmerican Airlines
Deal found 6/3$922
Sat 6/812:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sat 6/158:10 amONT - DUB
1 stop17h 35mAmerican Airlines
Deal found 6/1$945
Fri 7/512:40 pmDUB - ONT
1 stop14h 10mAmerican Airlines
Sat 7/2012:43 pmONT - DUB
1 stop13h 02mAmerican Airlines
Deal found 6/2$1,199
Wed 7/312:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sat 7/2012:43 pmONT - DUB
1 stop13h 02mAmerican Airlines
Deal found 6/2$1,297
Fri 7/512:40 pmDUB - ONT
1 stop14h 10mAmerican Airlines
Fri 7/1912:43 pmONT - DUB
1 stop13h 02mAmerican Airlines
Deal found 6/2$1,834
Fri 7/512:40 pmDUB - ONT
1 stop14h 10mAmerican Airlines
Sun 7/1412:43 pmONT - DUB
1 stop13h 02mAmerican Airlines
Deal found 6/2$2,722

Cheap Iberia flights from Dublin to Ontario

Explore cheap flight options specifically provided by Iberia for the route between Dublin 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 2,807,690 searches. Data last updated June 3, 2024.
Browse through some of the cheapest Iberia flights traveling from Dublin to Ontario. Check back soon if you're not seeing flights that suit your needs.
Sun 6/912:40 pmDUB - ONT
1 stop14h 17mIberia
Sat 6/2212:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 6/2$648
Mon 9/2312:40 pmDUB - ONT
1 stop17h 32mIberia
Sat 10/512:47 pmONT - DUB
1 stop12h 58mIberia
Deal found 6/2$736
Sat 6/87:10 pmDUB - ONT
2 stops36h 49mIberia
Sat 6/158:10 amONT - DUB
1 stop17h 35mIberia
Deal found 6/1$749
Tue 8/2012:40 pmDUB - ONT
1 stop14h 08mIberia
Sun 9/110:46 amONT - DUB
1 stop14h 59mIberia
Deal found 6/2$906
Thu 7/412:40 pmDUB - ONT
1 stop14h 17mIberia
Wed 7/172:47 pmONT - DUB
1 stop34h 58mIberia
Deal found 6/2$910
Tue 7/212:40 pmDUB - ONT
1 stop14h 17mIberia
Tue 7/1612:43 pmONT - DUB
1 stop13h 02mIberia
Deal found 6/2$1,286
Wed 7/312:40 pmDUB - ONT
1 stop14h 17mIberia
Sun 7/1412:43 pmONT - DUB
1 stop13h 02mIberia
Deal found 6/2$1,405
Mon 7/112:40 pmDUB - ONT
1 stop14h 17mIberia
Fri 7/1212:43 pmONT - DUB
1 stop13h 02mIberia
Deal found 6/2$4,615
Wed 6/2612:40 pmDUB - ONT
1 stop14h 17mIberia
Wed 7/1012:43 pmONT - DUB
1 stop13h 02mIberia
Deal found 6/2$4,682

Cheap Dublin to Ontario flights in June & July 2024

Find cheap flight options from Dublin 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 2,807,690 searches. Prices were last updated on June 3, 2024.
The lowest fares we've come across on flights traveling from Dublin to Ontario in June and July 2024. For more flight deals, be sure to check back very soon.
Wed 6/1212:40 pmDUB - ONT
1 stop14h 17mMultiple Airlines
Mon 6/1712:49 pmONT - DUB
1 stop12h 56mMultiple Airlines
Deal found 6/2$604
Sat 6/1511:00 amDUB - ONT
1 stop16h 42mKLM
Sat 6/2211:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/1$614
Mon 6/1012:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sun 6/238:10 amONT - DUB
1 stop17h 35mAmerican Airlines
Deal found 6/2$615
Tue 6/1111:00 amDUB - ONT
1 stop16h 42mKLM
Mon 6/1711:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/2$616
Sun 6/912:40 pmDUB - ONT
1 stop14h 17mIberia
Sat 6/2212:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 6/2$648
Sun 6/1611:00 amDUB - ONT
1 stop16h 42mKLM
Sun 6/2311:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/2$679
Sun 6/912:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sun 6/1612:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/2$701
Sat 6/87:10 pmDUB - ONT
2 stops36h 49mIberia
Sat 6/158:10 amONT - DUB
1 stop17h 35mIberia
Deal found 6/1$749
Mon 6/1711:00 amDUB - ONT
1 stop16h 42mKLM
Fri 8/2311:23 amONT - DUB
1 stop13h 22mKLM
Deal found 6/2$753

Dublin to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Dublin and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 3, 2024.
The lowest fares we've come across on flights traveling from Dublin to Ontario in June and July 2024. For more flight deals, be sure to check back very soon.
Wed 6/1212:40 pmDUB - ONT
1 stop14h 17mMultiple Airlines
Mon 6/1712:49 pmONT - DUB
1 stop12h 56mMultiple Airlines
Deal found 6/2$604
Sat 6/1511:00 amDUB - ONT
1 stop16h 42mKLM
Sat 6/2211:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/1$614
Mon 6/1012:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sun 6/238:10 amONT - DUB
1 stop17h 35mAmerican Airlines
Deal found 6/2$615
Tue 6/1111:00 amDUB - ONT
1 stop16h 42mKLM
Sun 6/1611:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/2$616
Tue 11/511:50 amDUB - ONT
2 stops18h 02mUnited Airlines
Fri 11/156:00 amONT - DUB
2 stops17h 00mUnited Airlines
Deal found 6/1$626
Sun 6/912:40 pmDUB - ONT
1 stop14h 17mIberia
Sat 6/2212:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 6/2$648
Thu 9/512:40 pmDUB - ONT
1 stop15h 04mAmerican Airlines
Thu 9/1910:50 amONT - DUB
1 stop14h 55mAmerican Airlines
Deal found 6/2$673
Sun 6/1611:00 amDUB - ONT
1 stop16h 42mKLM
Sun 6/2311:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/2$679
Sun 6/912:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sun 6/1612:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/2$701

Dublin to Ontario flights leaving soon

Find last-minute flight options from Dublin 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 2,807,690 searches. Data last updated June 3, 2024.
Have a look at some of the last-minute flights available departing from Dublin to Ontario. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 6/1212:40 pmDUB - ONT
1 stop14h 17mMultiple Airlines
Mon 6/1712:49 pmONT - DUB
1 stop12h 56mMultiple Airlines
Deal found 6/2$604
Mon 6/1012:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sun 6/238:10 amONT - DUB
1 stop17h 35mAmerican Airlines
Deal found 6/2$615
Tue 6/1111:00 amDUB - ONT
1 stop16h 42mKLM
Sun 6/1611:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/2$616
Sun 6/912:40 pmDUB - ONT
1 stop14h 17mIberia
Sat 6/2212:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 6/2$648
Sun 6/912:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sun 6/1612:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/2$701
Sat 6/87:10 pmDUB - ONT
2 stops36h 49mIberia
Sat 6/158:10 amONT - DUB
1 stop17h 35mIberia
Deal found 6/1$749
Tue 6/1111:00 amDUB - ONT
1 stop16h 42mKLM
Fri 8/2311:23 amONT - DUB
1 stop13h 22mKLM
Deal found 6/2$790
Tue 6/1111:00 amDUB - ONT
1 stop16h 42mKLM
Tue 6/1811:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/2$821
Sat 6/811:45 amDUB - ONT
1 stop17h 42mAmerican Airlines
Sat 6/228:10 amONT - DUB
1 stop17h 35mAmerican Airlines
Deal found 6/3$922

One-way flights to Ontario from Dublin

Search for one-way flight options from Dublin 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 2,807,690 searches. Data last updated June 3, 2024.
Some of the best available deals we've found on one-way flights from Dublin to Ontario. Users needing a return flight from Dublin to Ontario should utilize the search form above.
Wed 9/41:15 pmDUB - ONT
2 stops28h 52mMultiple Airlines
Deal found 6/2$495
Wed 9/410:45 amDUB - ONT
1 stop19h 20mJetBlue
Deal found 6/2$617
Wed 8/2810:45 amDUB - ONT
1 stop19h 47mJetBlue
Deal found 6/2$621
Sat 8/1710:45 amDUB - ONT
1 stop19h 47mJetBlue
Deal found 6/2$697
Thu 8/110:45 amDUB - ONT
1 stop19h 47mJetBlue
Deal found 6/2$716
Tue 7/2310:45 amDUB - ONT
1 stop19h 47mJetBlue
Deal found 6/1$724
Tue 11/59:40 amDUB - ONT
2 stops22h 27mAmerican Airlines
Deal found 6/1$737
Fri 6/2110:45 amDUB - ONT
1 stop19h 53mJetBlue
Deal found 6/1$749
Tue 10/812:40 pmDUB - ONT
1 stop18h 46mIberia
Deal found 6/1$797

Find flights from Dublin to Ontario within your budget

Customize your flight search to find flights from Dublin 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 2,807,690 searches. Data last updated June 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$614 - $906

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 6/15

1 stop16h 42m

Ontario

Sat 6/22

1 stop13h 15m

$614

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 6/13

1 stop16h 42m

Ontario

Sun 6/16

1 stop13h 15m

$616

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 11/5

2 stops18h 02m

Ontario

Fri 11/15

2 stops17h 00m

$626

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 9/5

1 stop15h 04m

Ontario

Thu 9/19

1 stop14h 55m

$673

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 6/16

1 stop16h 42m

Ontario

Sun 6/23

1 stop13h 15m

$679

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 9/23

1 stop17h 32m

Ontario

Sat 10/5

1 stop12h 58m

$736

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 9/1

1 stop17h 47m

Ontario

Mon 9/16

1 stop14h 55m

$769

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 9/5

1 stop15h 04m

Ontario

Thu 9/12

1 stop14h 55m

$787

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 8/20

1 stop14h 08m

Ontario

Sun 9/1

1 stop14h 59m

$906

Flights are sorted by cheapest first

Deals found on 6/1

No data available for this route at this time. Please check back soon.

Best time to book a flight from Dublin to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Dublin 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 3, 2024.
Read reviews from past customers who have flown American Airlines, Iberia and KLM from Dublin to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.9
Good
1,503 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,503 reviews
KLM
7.9
Good
1,503 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

JetBlue
7.6
Good
4,336 reviews
KLM
7.9
Good
1,503 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

United Airlines
7.4
Good
10,755 reviews
KLM
7.9
Good
1,503 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

American Airlines
7.3
Good
14,260 reviews
KLM
7.9
Good
1,503 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Aer Lingus
7.2
Good
1,297 reviews
KLM
7.9
Good
1,503 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.9

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Dublin 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 Dublin to Ontario for under $700 on Cheapflights?

    Yes, there are multiple flights from Dublin to Ontario for under $700. The cheapest flight booked recently is on KLM for just $614, but on average you can expect to pay $832.

  • Are there last-minute flights available from Dublin to Ontario for under $700?

    There are currently 10+ open flights from Dublin to Ontario within the next 7 days for less than $700.

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

    Flying on KLM is currently your cheapest option to Ontario, with prices starting at $614. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $626 and $673, respectively.

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

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $617. However, be on the lookout for offers from American Airlines and Iberia, as they are both options that can get you from Dublin to Ontario for a low price.

  • What does DUB to ONT mean?

    Dublin Airport is DUB and Ontario Airport is ONT. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

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

    The amount of baggage you can bring on your Dublin 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 Dublin to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dublin 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 Dublin to Ontario that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin 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 Dublin to Ontario that allow pets onboard?

    Many airlines flying from Dublin 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 Dublin to Ontario?

    Yes, you can often find last-minute deals on Dublin 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 Dublin to Ontario flight deals updated?

    The Dublin to Ontario flight deals you see on this page were last updated on 6/2.

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

    Currently, October is the cheapest month in which you can book a flight from Dublin to Ontario (average of $238). Flying from Dublin 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.

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Search flights from Dublin to Ontario by cabin class

Find flights from Dublin 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 Dublin to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dublin to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Dublin to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Ontario from Dublin? 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 Dublin to Ontario become cheaper?

Of course! You can now track prices for flights from Dublin to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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