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Cheap flights from Ontario (ONT) to Europe from $303

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 7/24. 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 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
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 40% 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 $755.

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 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 2,752,338 searches. Data last updated May 8, 2024.
Mon 11/43:01 pmONT - MAD
2 stops18h 19mBritish Airways
Thu 11/143:55 pmMAD - ONT
1 stop17h 12mBritish Airways
Deal found 5/7$555
Mon 11/411:59 pmONT - MAD
1 stop24h 26mBritish Airways
Thu 11/143:55 pmMAD - ONT
1 stop17h 12mBritish Airways
Deal found 5/7$600
Sun 9/298:41 amONT - MAD
2 stops17h 39mBritish Airways
Mon 11/118:40 pmMAD - ONT
2 stops30h 08mBritish Airways
Deal found 5/7$622
Sun 10/276:34 amONT - MAD
1 stop18h 51mBritish Airways
Thu 11/710:45 amMAD - ONT
2 stops22h 22mBritish Airways
Deal found 5/7$624
Mon 9/234:45 pmONT - LHR
1 stop12h 50mBritish Airways
Tue 10/81:05 pmLHR - ONT
1 stop18h 21mBritish Airways
Deal found 5/8$629
Wed 10/3012:51 pmONT - ATH
2 stops21h 09mBritish Airways
Fri 11/87:55 pmATH - ONT
2 stops31h 53mBritish Airways
Deal found 5/8$640
Sun 10/276:34 amONT - MAD
1 stop18h 51mBritish Airways
Thu 11/73:55 pmMAD - ONT
1 stop17h 12mBritish Airways
Deal found 5/7$645
Sun 10/204:45 pmONT - LHR
1 stop12h 50mBritish Airways
Wed 10/308:20 amLHR - ONT
1 stop16h 28mBritish Airways
Deal found 5/7$662
Wed 9/252:52 pmONT - ATH
2 stops25h 23mBritish Airways
Wed 10/28:00 pmATH - ONT
2 stops35h 42mBritish Airways
Deal found 5/7$684

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 2,752,338 searches. Data last updated May 8, 2024.
Mon 10/216:02 amONT - MAD
2 stops17h 58mUnited Airlines
Wed 11/2011:15 amMAD - ONT
2 stops19h 50mUnited Airlines
Deal found 5/7$603
Tue 8/66:00 amONT - MAD
2 stops17h 05mUnited Airlines
Thu 9/511:15 amMAD - ONT
2 stops22h 30mUnited Airlines
Deal found 5/7$661
Tue 8/136:00 amONT - MAD
2 stops18h 00mUnited Airlines
Tue 9/1011:15 amMAD - ONT
2 stops22h 30mUnited Airlines
Deal found 5/7$673
Tue 8/135:20 amONT - LHR
1 stop20h 20mUnited Airlines
Wed 8/284:15 pmLHR - ONT
1 stop16h 30mUnited Airlines
Deal found 5/7$675
Sat 8/106:25 pmONT - LHR
2 stops18h 15mUnited Airlines
Tue 8/272:50 pmLHR - ONT
1 stop14h 12mUnited Airlines
Deal found 5/7$680
Wed 9/181:35 pmONT - LHR
1 stop12h 05mUnited Airlines
Wed 9/2511:05 amLHR - ONT
1 stop14h 17mUnited Airlines
Deal found 5/7$681
Tue 8/2010:49 amONT - LHR
1 stop15h 36mUnited Airlines
Wed 9/411:05 amLHR - ONT
1 stop14h 17mUnited Airlines
Deal found 5/7$689
Mon 9/25:15 amONT - LHR
2 stops16h 40mUnited Airlines
Wed 9/181:40 pmLHR - ONT
1 stop15h 51mUnited Airlines
Deal found 5/7$694
Wed 7/311:45 pmONT - LHR
2 stops14h 35mUnited Airlines
Tue 8/2010:35 amLHR - ONT
1 stop18h 56mUnited Airlines
Deal found 5/7$702

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 2,752,338 searches. Prices were last updated on May 8, 2024.
Tue 5/211:36 pmONT - LHR
1 stop12h 04mUnited Airlines
Tue 5/282:50 pmLHR - ONT
1 stop13h 58mUnited Airlines
Deal found 5/7$709
Tue 5/215:15 amONT - LHR
2 stops17h 15mMultiple Airlines
Tue 5/288:30 amLHR - ONT
2 stops21h 59mMultiple Airlines
Deal found 5/7$715
Sat 5/116:00 amONT - FRA
1 stop18h 45mUnited Airlines
Fri 5/245:30 pmFRA - ONT
1 stop15h 39mUnited Airlines
Deal found 5/7$743
Fri 5/106:00 amONT - FRA
1 stop18h 45mUnited Airlines
Sun 5/121:35 pmFRA - ONT
1 stop18h 29mUnited Airlines
Deal found 5/7$750
Mon 5/201:36 pmONT - LHR
1 stop12h 04mMultiple Airlines
Mon 5/278:30 amLHR - ONT
2 stops36h 15mMultiple Airlines
Deal found 5/6$754
Mon 5/2012:50 pmONT - LHR
1 stop15h 25mIberia
Tue 6/1111:30 amLHR - ONT
2 stops20h 29mIberia
Deal found 5/7$757
Mon 5/206:00 amONT - LHR
1 stop16h 55mUnited Airlines
Mon 5/271:40 pmLHR - ONT
1 stop15h 34mUnited Airlines
Deal found 5/6$759
Tue 5/211:36 pmONT - LHR
1 stop14h 44mUnited Airlines
Tue 5/282:50 pmLHR - ONT
1 stop13h 58mUnited Airlines
Deal found 5/8$763
Tue 5/215:15 amONT - LHR
2 stops17h 15mAir Canada
Mon 6/176:00 pmLHR - ONT
2 stops26h 45mAir Canada
Deal found 5/8$765

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 2,752,338 searches. Data last updated May 8, 2024.
Wed 11/612:51 pmONT - MAD
2 stops19h 14mAmerican Airlines
Wed 11/2011:30 amMAD - ONT
2 stops21h 37mAmerican Airlines
Deal found 5/7$492
Wed 11/66:34 amONT - MAD
2 stops20h 16mIberia
Wed 11/2012:40 pmMAD - ONT
1 stop20h 27mIberia
Deal found 5/7$501
Wed 12/43:01 pmONT - MAD
2 stops17h 04mBritish Airways
Wed 12/117:50 amMAD - ONT
2 stops19h 02mBritish Airways
Deal found 5/8$532
Wed 11/66:02 amONT - MAD
2 stops18h 13mUnited Airlines
Wed 11/1311:15 amMAD - ONT
2 stops19h 50mUnited Airlines
Deal found 5/8$533
Thu 11/712:51 pmONT - MAD
1 stop16h 44mMultiple Airlines
Fri 11/153:55 pmMAD - ONT
1 stop17h 12mMultiple Airlines
Deal found 5/7$539
Sat 11/911:11 pmONT - MAD
1 stop21h 34mAmerican Airlines
Sun 11/1712:30 pmMAD - ONT
2 stops18h 13mAmerican Airlines
Deal found 5/7$542
Sat 11/911:59 pmONT - MAD
2 stops20h 46mAmerican Airlines
Sun 11/1712:30 pmMAD - ONT
2 stops18h 13mAmerican Airlines
Deal found 5/7$543
Sun 11/107:00 amONT - MAD
1 stop16h 45mKLM
Wed 11/2011:00 amMAD - ONT
1 stop17h 22mKLM
Deal found 5/7$549
Sat 12/2812:56 pmONT - MAD
1 stop35h 29mIberia
Fri 1/1012:40 pmMAD - ONT
1 stop20h 04mIberia
Deal found 5/7$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 2,752,338 searches. Data last updated May 8, 2024.
Sat 5/116:00 amONT - FRA
1 stop18h 45mUnited Airlines
Fri 5/245:30 pmFRA - ONT
1 stop15h 39mUnited Airlines
Deal found 5/7$743
Fri 5/106:00 amONT - FRA
1 stop18h 45mUnited Airlines
Sun 5/121:35 pmFRA - ONT
1 stop18h 29mUnited Airlines
Deal found 5/7$750
Tue 5/141:36 pmONT - LHR
1 stop12h 04mUnited Airlines
Wed 5/294:15 pmLHR - ONT
1 stop14h 14mUnited Airlines
Deal found 5/7$767
Wed 5/1510:42 amONT - LHR
1 stop15h 43mUnited Airlines
Wed 6/124:15 pmLHR - ONT
1 stop14h 12mUnited Airlines
Deal found 5/7$774
Fri 5/177:31 amONT - FRA
1 stop16h 14mBritish Airways
Thu 6/1310:55 amFRA - ONT
1 stop17h 02mBritish Airways
Deal found 5/7$782
Tue 5/217:31 amONT - FRA
1 stop16h 14mIberia
Tue 5/2810:55 amFRA - ONT
1 stop22h 01mIberia
Deal found 5/8$783
Sat 5/116:00 amONT - FRA
1 stop18h 45mUnited Airlines
Thu 5/308:50 amFRA - ONT
2 stops20h 58mUnited Airlines
Deal found 5/7$787
Mon 5/207:31 amONT - FRA
1 stop16h 14mIberia
Mon 5/276:30 amFRA - ONT
2 stops20h 52mIberia
Deal found 5/6$789
Fri 5/177:31 amONT - FRA
1 stop16h 14mIberia
Mon 6/36:30 amFRA - ONT
2 stops26h 26mIberia
Deal found 5/7$790

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 2,752,338 searches. Data last updated May 8, 2024.
Wed 7/247:36 amONT - CDG
2 stops19h 54mMultiple Airlines
Deal found 5/7$303
Sat 9/77:36 amONT - CDG
2 stops43h 54mMultiple Airlines
Deal found 5/7$317
Sat 9/77:36 amONT - CDG
3 stops43h 54mMultiple Airlines
Deal found 5/7$327
Sun 9/87:36 amONT - CDG
2 stops19h 54mMultiple Airlines
Deal found 5/7$334
Wed 7/1710:59 pmONT - FCO
2 stops28h 41mMultiple Airlines
Deal found 5/7$376
Sat 7/207:36 amONT - FCO
2 stops30h 59mMultiple Airlines
Deal found 5/7$396
Tue 7/167:36 amONT - FCO
3 stops46h 19mMultiple Airlines
Deal found 5/7$399
Tue 7/167:36 amONT - FCO
2 stops28h 39mMultiple Airlines
Deal found 5/7$403
Thu 7/1810:38 pmONT - FCO
2 stops29h 02mMultiple Airlines
Deal found 5/7$404

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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$555 - $943

Route

Depart

Return

Price

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Mon 11/4

2 stops18h 19m

Madrid Barajas

Thu 11/14

1 stop17h 12m

$555

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Mon 10/21

2 stops17h 58m

Madrid Barajas

Wed 11/20

2 stops19h 50m

$603

OntarioLondon Heathrow

ONT - LHR

ONTLHR

Ontario

Mon 9/23

1 stop17h 55m

London Heathrow

Tue 10/8

2 stops22h 11m

$612

OntarioLondon Heathrow

ONT - LHR

ONTLHR

Ontario

Tue 10/29

1 stop22h 31m

London Heathrow

Fri 11/8

1 stop19h 33m

$628

OntarioLondon Heathrow

ONT - LHR

ONTLHR

Ontario

Tue 10/29

2 stops20h 30m

London Heathrow

Fri 11/8

2 stops17h 52m

$666

OntarioLondon Heathrow

ONT - LHR

ONTLHR

Ontario

Mon 9/23

2 stops18h 20m

London Heathrow

Tue 10/8

2 stops16h 46m

$669

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Fri 10/4

2 stops55h 55m

Madrid Barajas

Tue 10/15

2 stops43h 11m

$686

OntarioMadrid Barajas

ONT - MAD

ONTMAD

Ontario

Sun 10/27

1 stop16h 45m

Madrid Barajas

Mon 11/4

1 stop20h 28m

$739

OntarioAmsterdam Schiphol

ONT - AMS

ONTAMS

Ontario

Sat 8/3

1 stop13h 26m

Amsterdam Schiphol

Tue 9/17

1 stop14h 32m

$943

Flights are sorted by cheapest first

Deals found on 5/7

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 8, 2024.
Delta
8.1
Very good
10,789 reviews
Check prices

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.1

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.1
Very good
10,789 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.1

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Alaska Airlines
8.1
Very good
9,141 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.1

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

KLM
7.9
Good
1,592 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.1

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

SWISS
7.8
Good
2,013 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.1

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Qatar Airways
7.7
Good
4,428 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.1

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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 $600 on Cheapflights?

    Yes, there are multiple flights from Ontario to Europe for under $600. The cheapest flight booked recently is on British Airways for just $555, but on average you can expect to pay $640.

  • 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 $472. Delta flights start at $477 while deals on Iberia start at $492 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), Paris Charles de Gaulle Airport (CDG), Lisbon Humberto Delgado Airport (LIS), Frankfurt am Main Airport (FRA) 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 5/8.

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 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$482Average$865FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest$525Average$950FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$530Average$1,082FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest$580Average$982FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest$591Average$667FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest$617Average$932FlexibilityNo 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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