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Cheap flights from Ontario (ONT) to Europe from $265

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 7/27. 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 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
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 2,637,452 searches. Data last updated May 16, 2024.
Wed 11/66:00 amONT - MAD
2 stops18h 15mUnited Airlines
Wed 11/2011:15 amMAD - ONT
2 stops20h 06mUnited Airlines
Deal found 5/14$479
Tue 11/56:00 amONT - MAD
2 stops18h 15mUnited Airlines
Wed 11/1311:15 amMAD - ONT
2 stops20h 06mUnited Airlines
Deal found 5/16$493
Tue 11/126:00 amONT - ATH
2 stops18h 10mUnited Airlines
Tue 11/199:30 amATH - ONT
2 stops22h 51mUnited Airlines
Deal found 5/15$553
Tue 11/126:00 amONT - ATH
2 stops18h 10mUnited Airlines
Tue 11/199:30 amATH - ONT
2 stops22h 51mUnited Airlines
Deal found 5/16$554
Mon 11/46:00 amONT - MAD
2 stops18h 15mUnited Airlines
Tue 11/1911:15 amMAD - ONT
2 stops20h 06mUnited Airlines
Deal found 5/15$576
Wed 9/256:00 amONT - MAD
2 stops18h 00mUnited Airlines
Wed 11/1311:15 amMAD - ONT
2 stops19h 37mUnited Airlines
Deal found 5/15$583
Mon 11/46:00 amONT - MAD
2 stops18h 15mUnited Airlines
Tue 11/126:10 amMAD - ONT
2 stops23h 15mUnited Airlines
Deal found 5/15$590
Sat 10/126:20 pmONT - MAD
2 stops28h 45mUnited Airlines
Fri 10/2511:15 amMAD - ONT
2 stops20h 41mUnited Airlines
Deal found 5/16$594
Fri 10/251:55 pmONT - BCN
1 stop15h 05mUnited Airlines
Wed 11/1311:00 amBCN - ONT
2 stops20h 21mUnited Airlines
Deal found 5/16$604

Cheap Delta flights from Ontario to Europe

Explore cheap flight options specifically provided by Delta 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 2,637,452 searches. Data last updated May 16, 2024.
Wed 10/237:00 amONT - MAD
1 stop16h 45mDelta
Wed 11/1311:00 amMAD - ONT
1 stop17h 22mDelta
Deal found 5/16$489
Mon 11/116:00 amONT - BCN
2 stops17h 00mDelta
Mon 11/2510:55 amBCN - ONT
2 stops21h 56mDelta
Deal found 5/15$554
Tue 10/291:42 pmONT - LHR
1 stop13h 18mDelta
Fri 11/86:20 amLHR - ONT
2 stops19h 43mDelta
Deal found 5/16$622
Tue 11/57:00 amONT - LHR
1 stop17h 45mDelta
Tue 11/266:30 amLHR - ONT
2 stops20h 52mDelta
Deal found 5/15$625
Tue 10/296:00 amONT - LHR
2 stops18h 05mDelta
Fri 11/86:20 amLHR - ONT
2 stops19h 43mDelta
Deal found 5/15$626
Tue 10/297:00 amONT - LHR
2 stops20h 30mDelta
Fri 11/86:20 amLHR - ONT
2 stops19h 43mDelta
Deal found 5/16$627
Wed 5/225:45 amONT - FRA
2 stops18h 10mDelta
Wed 6/511:00 amFRA - ONT
1 stop18h 06mDelta
Deal found 5/15$819
Sun 6/25:20 pmONT - AMS
1 stop12h 05mDelta
Tue 6/1810:40 amAMS - ONT
1 stop14h 36mDelta
Deal found 5/16$1,210
Wed 5/225:45 amONT - FRA
2 stops18h 10mDelta
Wed 6/57:00 amFRA - ONT
2 stops18h 36mDelta
Deal found 5/15$1,259

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 2,637,452 searches. Prices were last updated on May 16, 2024.
Mon 6/246:00 amONT - LHR
1 stop17h 40mUnited Airlines
Fri 8/234:15 pmLHR - ONT
1 stop16h 30mUnited Airlines
Deal found 5/15$702
Wed 6/51:55 pmONT - LHR
1 stop16h 15mUnited Airlines
Fri 6/1410:35 amLHR - ONT
1 stop18h 39mUnited Airlines
Deal found 5/15$709
Mon 6/36:25 pmONT - LHR
2 stops28h 05mAir Canada
Tue 6/189:30 amLHR - ONT
2 stops39h 58mAir Canada
Deal found 5/15$714
Mon 6/246:25 pmONT - LHR
2 stops28h 05mAir Canada
Fri 8/239:30 amLHR - ONT
2 stops35h 02mAir Canada
Deal found 5/15$724
Tue 6/116:25 pmONT - LHR
2 stops28h 10mAir Canada
Tue 6/182:05 pmLHR - ONT
2 stops35h 23mAir Canada
Deal found 5/15$727
Sun 6/912:49 pmONT - LHR
1 stop15h 56mIberia
Tue 6/1811:30 amLHR - ONT
2 stops20h 29mIberia
Deal found 5/15$757
Tue 5/216:00 amONT - LHR
1 stop24h 10mUnited Airlines
Tue 5/2812:05 pmLHR - ONT
2 stops32h 40mUnited Airlines
Deal found 5/15$759
Sat 6/85:15 amONT - FRA
2 stops17h 55mAir Canada
Tue 6/255:35 pmFRA - ONT
2 stops32h 53mAir Canada
Deal found 5/15$760
Sat 6/291:30 pmONT - LHR
1 stop14h 50mUnited Airlines
Sun 9/12:50 pmLHR - ONT
1 stop14h 12mUnited Airlines
Deal found 5/16$764

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 2,637,452 searches. Data last updated May 16, 2024.
Tue 11/55:15 amONT - MAD
2 stops18h 55mMultiple Airlines
Wed 11/2012:15 pmMAD - ONT
2 stops41h 10mMultiple Airlines
Deal found 5/16$467
Tue 11/55:15 amONT - MAD
3 stops18h 55mMultiple Airlines
Wed 11/2012:15 pmMAD - ONT
2 stops42h 37mMultiple Airlines
Deal found 5/16$472
Wed 11/66:00 amONT - MAD
2 stops18h 15mUnited Airlines
Wed 11/2011:15 amMAD - ONT
2 stops20h 06mUnited Airlines
Deal found 5/14$479
Tue 12/1012:53 pmONT - MAD
2 stops19h 02mAmerican Airlines
Fri 1/171:00 pmMAD - ONT
1 stop16h 18mAmerican Airlines
Deal found 5/14$486
Wed 10/237:00 amONT - MAD
1 stop16h 45mDelta
Wed 11/1311:00 amMAD - ONT
1 stop17h 22mDelta
Deal found 5/16$489
Tue 11/511:11 pmONT - MAD
1 stop21h 34mAmerican Airlines
Wed 11/2011:30 amMAD - ONT
2 stops19h 13mAmerican Airlines
Deal found 5/16$492
Tue 11/56:00 amONT - MAD
2 stops18h 15mUnited Airlines
Wed 11/1311:15 amMAD - ONT
2 stops20h 06mUnited Airlines
Deal found 5/16$493
Tue 11/55:15 amONT - MAD
3 stops18h 55mAir Canada
Wed 11/2012:15 pmMAD - ONT
3 stops33h 23mAir Canada
Deal found 5/16$500
Wed 12/116:37 amONT - MAD
2 stops20h 48mMultiple Airlines
Fri 1/173:55 pmMAD - ONT
1 stop16h 49mMultiple Airlines
Deal found 5/14$526

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 2,637,452 searches. Data last updated May 16, 2024.
Tue 5/216:00 amONT - LHR
1 stop24h 10mUnited Airlines
Tue 5/2812:05 pmLHR - ONT
2 stops32h 40mUnited Airlines
Deal found 5/16$759
Tue 5/211:36 pmONT - LHR
1 stop12h 04mUnited Airlines
Wed 5/294:15 pmLHR - ONT
1 stop14h 14mUnited Airlines
Deal found 5/14$767
Tue 5/211:36 pmONT - LHR
1 stop12h 04mUnited Airlines
Wed 5/2911:05 amLHR - ONT
1 stop14h 23mUnited Airlines
Deal found 5/16$769
Tue 5/211:36 pmONT - LHR
1 stop14h 44mUnited Airlines
Tue 5/284:15 pmLHR - ONT
1 stop14h 14mUnited Airlines
Deal found 5/15$774
Tue 5/217:31 amONT - FRA
1 stop16h 14mBritish Airways
Tue 5/2810:55 amFRA - ONT
1 stop16h 27mBritish Airways
Deal found 5/15$783
Wed 5/2210:42 amONT - FRA
1 stop14h 03mUnited Airlines
Wed 5/291:55 pmFRA - ONT
1 stop16h 19mUnited Airlines
Deal found 5/15$815
Wed 5/225:45 amONT - FRA
2 stops18h 10mDelta
Wed 6/511:00 amFRA - ONT
1 stop18h 06mDelta
Deal found 5/15$819
Tue 5/2110:42 amONT - LHR
1 stop15h 43mUnited Airlines
Sat 6/12:50 pmLHR - ONT
1 stop13h 48mUnited Airlines
Deal found 5/15$824
Tue 5/211:36 pmONT - LHR
1 stop12h 04mUnited Airlines
Fri 10/2510:25 amLHR - ONT
1 stop15h 18mUnited Airlines
Deal found 5/15$830

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 2,637,452 searches. Data last updated May 16, 2024.
Sat 7/2710:59 pmONT - CDG
2 stops52h 31mMultiple Airlines
Deal found 5/15$265
Wed 7/178:17 amONT - CDG
2 stops19h 13mMultiple Airlines
Deal found 5/16$275
Fri 7/267:19 amONT - CDG
2 stops20h 11mMultiple Airlines
Deal found 5/15$346
Tue 7/95:30 pmONT - CDG
2 stops34h 00mMultiple Airlines
Deal found 5/16$367
Mon 7/228:54 amONT - CDG
2 stops19h 41mMultiple Airlines
Deal found 5/15$372
Wed 7/107:57 amONT - CDG
2 stops43h 33mMultiple Airlines
Deal found 5/16$373
Sat 7/138:07 amONT - CDG
3 stops43h 23mMultiple Airlines
Deal found 5/16$376
Mon 7/812:49 amONT - CDG
2 stops26h 41mMultiple Airlines
Deal found 5/16$378
Fri 8/167:36 amONT - BCN
2 stops19h 49mMultiple Airlines
Deal found 5/15$383

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$467 - $744

Route

Depart

Return

Price

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Tue 11/5

2 stops18h 55m

Madrid Barajas

Wed 11/20

2 stops41h 10m

$467

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Wed 11/6

2 stops18h 15m

Madrid Barajas

Wed 11/20

2 stops20h 06m

$479

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Wed 10/23

1 stop16h 45m

Madrid Barajas

Wed 11/13

1 stop17h 22m

$489

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Tue 11/5

1 stop21h 34m

Madrid Barajas

Wed 11/20

2 stops19h 13m

$492

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Tue 11/5

3 stops18h 55m

Madrid Barajas

Wed 11/20

3 stops33h 23m

$500

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Fri 11/8

1 stop16h 45m

Madrid Barajas

Fri 11/15

1 stop17h 22m

$539

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Tue 11/5

1 stop13h 29m

Madrid Barajas

Wed 11/20

1 stop20h 27m

$545

OntarioBarcelona-El Prat

ONT - BCN

ONTBCN

Ontario

Tue 11/5

2 stops18h 29m

Barcelona-El Prat

Tue 11/26

2 stops18h 52m

$563

OntarioLondon Heathrow

ONT - LHR

ONTLHR

Ontario

Wed 9/25

1 stop13h 09m

London Heathrow

Tue 10/1

1 stop18h 26m

$744

Flights are sorted by cheapest first

Deals found on 5/16

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 16, 2024.
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,157 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

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

Delta
8.0
Very good
10,673 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

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

KLM
7.9
Good
1,568 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

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

Finnair
7.8
Good
1,376 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

Reviews

1 / 10

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

Qatar Airways
7.7
Good
4,387 reviews
Alaska Airlines
8.1
Very good
9,157 reviews
Check prices

Comfort

7.9

Overall

8.1

Boarding

8.2

Crew

8.6

Entertainment

7.3

Food

7.3

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 Multiple Airlines for just $467, but on average you can expect to pay $536.

  • 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 $455. JetBlue flights start at $457 while deals on Air Canada start at $476 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 5/16.

See more FAQs

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Alternative routes for Ontario to Europe
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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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$482Average$862FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest$525Average$950FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$530Average$1,078FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest$580Average$980FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest$591Average$667FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest$620Average$928FlexibilityNo 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
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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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