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Cheap flights from Ontario (ONT) to Europe from $290

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 8/5. 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.
ONT — CPH
May 25 — Jun 11
From?
To?
Sat 5/25
Sat 6/1
1 adult, Economy
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How far in advance should I book a flight from Ontario to Europe?

Find a great deal and save up to 31% by booking at least 15 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Europe within the next two weeks, with the cheapest ticket starting at $758.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to Europe. Flights to Europe from Ontario in October are about $715 on average during October, but can be found for as low as $429.

When is the cheapest time to fly from Ontario to Europe (ONT - EU)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Europe as you normally would.

Cheap United Airlines flights from Ontario to Europe

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Europe. 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 2,621,518 searches. Data last updated May 20, 2024.
Wed 11/136:00 amONT - MAD
2 stops18h 15mUnited Airlines
Wed 11/2011:15 amMAD - ONT
2 stops20h 06mUnited Airlines
Deal found 5/19$494
Mon 10/216:00 amONT - MAD
2 stops18h 00mUnited Airlines
Wed 11/611:15 amMAD - ONT
2 stops20h 06mUnited Airlines
Deal found 5/19$566
Tue 11/56:00 amONT - MAD
2 stops18h 15mUnited Airlines
Fri 11/1511:15 amMAD - ONT
2 stops19h 37mUnited Airlines
Deal found 5/19$577
Tue 10/86:00 amONT - MAD
2 stops18h 00mUnited Airlines
Tue 10/2211:15 amMAD - ONT
2 stops20h 41mUnited Airlines
Deal found 5/19$584
Tue 11/56:00 amONT - BCN
3 stops26h 45mUnited Airlines
Mon 11/182:00 pmBCN - ONT
2 stops39h 25mUnited Airlines
Deal found 5/18$603
Wed 11/131:00 pmONT - LHR
1 stop12h 40mUnited Airlines
Tue 11/261:45 pmLHR - ONT
1 stop16h 36mUnited Airlines
Deal found 5/20$625
Fri 10/256:00 amONT - MAD
2 stops18h 00mUnited Airlines
Mon 11/2511:15 amMAD - ONT
2 stops19h 37mUnited Airlines
Deal found 5/18$627
Wed 10/21:30 pmONT - LHR
1 stop12h 10mUnited Airlines
Tue 10/81:40 pmLHR - ONT
1 stop16h 06mUnited Airlines
Deal found 5/20$641
Wed 9/47:40 amONT - LHR
1 stop18h 45mUnited Airlines
Fri 9/1312:05 pmLHR - ONT
2 stops32h 27mUnited Airlines
Deal found 5/19$654

Cheap British Airways flights from Ontario to Europe

Explore cheap flight options specifically provided by British Airways for the route between Ontario and Europe. 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 2,621,518 searches. Data last updated May 20, 2024.
Tue 10/222:52 pmONT - MAD
2 stops19h 23mBritish Airways
Thu 11/73:55 pmMAD - ONT
1 stop30h 49mBritish Airways
Deal found 5/19$526
Tue 10/2211:59 pmONT - MAD
1 stop24h 06mBritish Airways
Thu 11/73:55 pmMAD - ONT
1 stop30h 49mBritish Airways
Deal found 5/19$528
Sun 11/31:28 pmONT - BCN
2 stops20h 17mBritish Airways
Mon 12/99:00 pmBCN - ONT
2 stops29h 52mBritish Airways
Deal found 5/19$564
Tue 11/512:51 pmONT - BCN
2 stops16h 54mBritish Airways
Tue 11/268:40 pmBCN - ONT
2 stops34h 03mBritish Airways
Deal found 5/19$592
Tue 10/2912:51 pmONT - BCN
2 stops17h 54mBritish Airways
Tue 11/128:00 amBCN - ONT
2 stops25h 07mBritish Airways
Deal found 5/18$597
Tue 11/123:01 pmONT - MAD
2 stops18h 19mBritish Airways
Sun 11/173:55 pmMAD - ONT
1 stop17h 12mBritish Airways
Deal found 5/19$598
Thu 11/712:51 pmONT - MAD
2 stops19h 04mBritish Airways
Sat 11/163:55 pmMAD - ONT
1 stop17h 12mBritish Airways
Deal found 5/19$615
Sun 10/68:41 amONT - ATH
2 stops25h 14mBritish Airways
Wed 11/68:00 pmATH - ONT
2 stops31h 48mBritish Airways
Deal found 5/19$635
Thu 7/410:54 amONT - LHR
1 stop13h 06mBritish Airways
Fri 7/1212:00 pmLHR - ONT
1 stop14h 50mBritish Airways
Deal found 5/19$913

Cheap Ontario to Europe flights in May & June 2024

Find cheap flight options from Ontario to Europe specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,621,518 searches. Prices were last updated on May 20, 2024.
Tue 5/286:00 amONT - BCN
1 stop23h 00mUnited Airlines
Tue 6/44:00 pmBCN - ONT
1 stop15h 27mUnited Airlines
Deal found 5/19$745
Sun 6/1611:59 pmONT - MAD
1 stop21h 41mAmerican Airlines
Thu 6/274:00 pmMAD - ONT
1 stop16h 59mAmerican Airlines
Deal found 5/19$749
Sun 6/169:24 amONT - MAD
2 stops19h 31mAmerican Airlines
Thu 6/274:00 pmMAD - ONT
1 stop16h 59mAmerican Airlines
Deal found 5/19$754
Wed 6/261:25 pmONT - LHR
1 stop12h 35mKLM
Tue 12/1710:45 amLHR - ONT
1 stop13h 27mKLM
Deal found 5/20$764
Tue 5/211:36 pmONT - LHR
1 stop12h 04mUnited Airlines
Tue 6/411:05 amLHR - ONT
1 stop14h 23mUnited Airlines
Deal found 5/20$767
Tue 5/211:36 pmONT - LHR
1 stop12h 04mUnited Airlines
Tue 5/282:50 pmLHR - ONT
1 stop13h 58mUnited Airlines
Deal found 5/20$768
Sun 6/26:25 pmONT - LHR
1 stop33h 55mUnited Airlines
Tue 8/271:40 pmLHR - ONT
1 stop15h 51mUnited Airlines
Deal found 5/19$771
Tue 6/1812:49 pmONT - MAD
2 stops22h 06mBritish Airways
Wed 7/39:20 amMAD - ONT
1 stop23h 39mBritish Airways
Deal found 5/19$775
Tue 5/211:36 pmONT - LHR
1 stop12h 04mUnited Airlines
Wed 5/2911:05 amLHR - ONT
1 stop14h 23mUnited Airlines
Deal found 5/18$776

Ontario to Europe 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Europe in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,621,518 searches. Data last updated May 20, 2024.
Wed 11/136:00 amONT - MAD
2 stops18h 15mUnited Airlines
Wed 11/2011:15 amMAD - ONT
2 stops20h 06mUnited Airlines
Deal found 5/19$494
Sat 12/2812:56 pmONT - MAD
1 stop35h 29mIberia
Fri 1/1012:40 pmMAD - ONT
1 stop20h 04mIberia
Deal found 5/19$509
Tue 10/222:52 pmONT - MAD
2 stops19h 23mBritish Airways
Thu 11/73:55 pmMAD - ONT
1 stop30h 49mBritish Airways
Deal found 5/19$526
Tue 10/2211:59 pmONT - MAD
1 stop24h 06mBritish Airways
Thu 11/73:55 pmMAD - ONT
1 stop30h 49mBritish Airways
Deal found 5/19$528
Wed 12/412:51 pmONT - MAD
2 stops16h 59mBritish Airways
Mon 12/98:40 pmMAD - ONT
2 stops30h 12mBritish Airways
Deal found 5/20$533
Tue 11/127:00 amONT - MAD
1 stop16h 45mKLM
Sun 11/1711:00 amMAD - ONT
1 stop17h 22mKLM
Deal found 5/19$539
Sun 11/107:00 amONT - BCN
1 stop16h 40mKLM
Thu 11/2810:55 amBCN - ONT
1 stop17h 25mKLM
Deal found 5/20$550
Wed 12/412:51 pmONT - MAD
2 stops16h 59mBritish Airways
Wed 12/1812:40 pmMAD - ONT
1 stop20h 28mBritish Airways
Deal found 5/20$553
Tue 11/196:02 amONT - ATH
2 stops18h 08mUnited Airlines
Tue 12/39:30 amATH - ONT
2 stops22h 35mUnited Airlines
Deal found 5/20$554

Ontario to Europe flights leaving soon

Find last-minute flight options from Ontario to Europe 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 2,621,518 searches. Data last updated May 20, 2024.
Tue 5/286:00 amONT - BCN
1 stop23h 00mUnited Airlines
Tue 6/44:00 pmBCN - ONT
1 stop15h 27mUnited Airlines
Deal found 5/19$745
Mon 5/271:50 pmONT - BCN
1 stop15h 10mUnited Airlines
Mon 6/34:00 pmBCN - ONT
1 stop15h 27mUnited Airlines
Deal found 5/19$795
Tue 5/285:15 amONT - BCN
2 stops22h 30mUnited Airlines
Sat 6/84:00 pmBCN - ONT
1 stop15h 27mUnited Airlines
Deal found 5/20$799
Mon 5/271:50 pmONT - LHR
1 stop12h 35mUnited Airlines
Wed 6/1211:05 amLHR - ONT
1 stop14h 23mUnited Airlines
Deal found 5/20$828
Sun 5/261:29 pmONT - LHR
1 stop14h 51mUnited Airlines
Wed 6/511:05 amLHR - ONT
1 stop14h 23mUnited Airlines
Deal found 5/19$836
Mon 5/272:50 pmONT - LHR
1 stop13h 25mIberia
Wed 6/1212:00 pmLHR - ONT
1 stop14h 57mIberia
Deal found 5/19$838
Thu 5/301:50 pmONT - BCN
1 stop15h 10mUnited Airlines
Mon 6/34:00 pmBCN - ONT
1 stop15h 27mUnited Airlines
Deal found 5/20$845
Sun 5/261:29 pmONT - LHR
1 stop14h 51mUnited Airlines
Mon 6/34:15 pmLHR - ONT
1 stop14h 12mUnited Airlines
Deal found 5/20$879
Wed 5/291:50 pmONT - LHR
1 stop12h 35mUnited Airlines
Sun 6/94:15 pmLHR - ONT
1 stop14h 12mUnited Airlines
Deal found 5/19$886

One-way flights to Europe from Ontario

Search for one-way flight options from Ontario to Europe. 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 2,621,518 searches. Data last updated May 20, 2024.
Mon 8/58:02 amONT - CDG
2 stops43h 28mMultiple Airlines
Deal found 5/19$290
Fri 9/278:35 pmONT - FCO
2 stops55h 05mMultiple Airlines
Deal found 5/19$369
Sat 8/176:57 amONT - CDG
2 stops21h 38mMultiple Airlines
Deal found 5/18$382
Thu 9/261:10 pmONT - FCO
2 stops38h 30mMultiple Airlines
Deal found 5/19$415
Sun 9/2210:49 amONT - LHR
1 stop19h 21mUnited Airlines
Deal found 5/20$453
Tue 11/126:00 amONT - LHR
2 stops17h 05mDelta
Deal found 5/19$457
Sun 10/136:00 amONT - MAD
2 stops18h 00mUnited Airlines
Deal found 5/19$462
Sun 11/35:15 amONT - LHR
2 stops17h 15mMultiple Airlines
Deal found 5/19$463
Tue 9/246:45 pmONT - LHR
2 stops27h 45mAir Canada
Deal found 5/20$478

Find flights from Ontario to Europe within your budget

Customize your flight search to find flights from Ontario to Europe 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 2,621,518 searches. Data last updated May 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$494 - $633

Route

Depart

Return

Price

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Wed 11/13

2 stops18h 15m

Madrid Barajas

Wed 11/20

2 stops20h 06m

$494

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Tue 10/22

2 stops19h 23m

Madrid Barajas

Thu 11/7

1 stop30h 49m

$526

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Tue 11/12

1 stop16h 45m

Madrid Barajas

Sun 11/17

1 stop17h 22m

$539

OntarioBarcelona-El Prat

ONT - BCN

ONTBCN

Ontario

Tue 11/5

2 stops25h 00m

Barcelona-El Prat

Mon 11/18

1 stop20h 33m

$617

OntarioLondon Heathrow

ONT - LHR

ONTLHR

Ontario

Tue 10/29

1 stop15h 25m

London Heathrow

Fri 11/8

2 stops24h 13m

$624

OntarioBarcelona-El Prat

ONT - BCN

ONTBCN

Ontario

Fri 11/8

2 stops40h 35m

Barcelona-El Prat

Sat 11/23

2 stops45h 37m

$628

OntarioLondon Heathrow

ONT - LHR

ONTLHR

Ontario

Tue 10/29

1 stop14h 04m

London Heathrow

Fri 11/8

1 stop19h 33m

$629

OntarioLondon Heathrow

ONT - LHR

ONTLHR

Ontario

Tue 10/29

2 stops18h 55m

London Heathrow

Fri 11/8

2 stops39h 00m

$630

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Thu 8/22

1 stop14h 46m

Madrid Barajas

Fri 9/13

1 stop18h 22m

$633

Flights are sorted by cheapest first

Deals found on 5/19

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

Reviews of airlines servicing Europe

Get insights into the airlines that provide service to Europe. 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 Europe. Reviews last updated May 20, 2024.
Alaska Airlines
8.1
Very good
9,163 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,163 reviews
Alaska Airlines
8.1
Very good
9,163 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,615 reviews
Alaska Airlines
8.1
Very good
9,163 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

KLM
7.9
Good
1,558 reviews
Alaska Airlines
8.1
Very good
9,163 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Finnair
7.8
Good
1,372 reviews
Alaska Airlines
8.1
Very good
9,163 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Qatar Airways
7.7
Good
4,376 reviews
Alaska Airlines
8.1
Very good
9,163 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

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

  • What airport do you fly from for flights from Ontario to Europe?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Europe.

  • Can I find flights from Ontario to Europe for under $500 on Cheapflights?

    Yes, there are multiple flights from Ontario to Europe for under $500. The cheapest flight booked recently is on United Airlines for just $494, but on average you can expect to pay $582.

  • Are there last-minute flights available from Ontario to Europe for under $800?

    There are currently 20+ open flights from Ontario to Europe within the next 7 days for less than $800.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $453. Delta flights start at $457 while deals on Air Canada start at $478 one-way.

  • What are the most popular routes from Ontario to Europe?

    The most popular route from Ontario to Europe is Ontario - London Heathrow. You may also consider Ontario - Paris Charles de Gaulle or Ontario - Rome Fiumicino.

  • What does ONT to CPH mean?

    Ontario Airport is ONT and Kastrup Copenhagen Airport is CPH. 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. Madrid Barajas Airport (MAD), Barcelona-El Prat Airport (BCN), Lisbon Humberto Delgado Airport (LIS), Paris Charles de Gaulle Airport (CDG), London Heathrow Airport (LHR) are some additional IATA codes for airports related to your trip.

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

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

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

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

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

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

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

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

    Many airlines flying from Ontario to Europe 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 Ontario to Europe?

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

    The Ontario to Europe flight deals you see on this page were last updated on 5/20.

See more FAQs

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Alternative routes for Ontario to Europe
See prices for flight routes from nearby airports that may be better suited for you.

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Top 8 airlines flying from Ontario to Europe

Discover the top 8 airlines that operate flights from Ontario to Europe. 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 2,621,518 searches. Data last updated May 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$482Average$862FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest$525Average$935FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$530Average$1,071FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest$579Average$980FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest$591Average$667FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest$617Average$933FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest$695Average$890FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest$998Average$1,032FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
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Search flights from Ontario to Europe by cabin class

Find flights from Ontario to Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy 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 Ontario to Europe?

Cheapflights helps you search for flights from Ontario to Europe via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Europe from Ontario.

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

Yes! Cheapflights helps users easily find flights from Ontario to Europe with no change fees.

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

Of course! You can now track prices for flights from Ontario to Europe 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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