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$283+ Cheap flights from Ontario (ONT) to Europe

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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Cheap flight deals from Ontario to Europe

Keep the following information in mind while searching for Ontario to Europe flight deals. Data was last updated April 11, 2025.

Round-trip from

$554
(Delta)

One-way from

$283
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$1,095
From Ontario to Europe
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One-way flight from Ontario to Europe
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Highest demand for flights based on searches. 18% potential increase in price ($250 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Ontario to Europe

Cheapest flights from Ontario to Europe
Explore the most affordable flight options available from Ontario to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

This Finnair deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:55 amONT - MAD
2 stops18h 10mMultiple Airlines
Wed 11/1211:35 amMAD - ONT
2 stops19h 25mMultiple Airlines
Deal found 4/10$471
This Iberia deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/223:00 pmONT - MAD
1 stop14h 20mIberia
Tue 9/304:00 pmMAD - ONT
1 stop16h 36mIberia
Deal found 4/10$476
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:59 pmONT - MAD
2 stops24h 01mDelta
Thu 11/1310:00 amMAD - ONT
2 stops21h 41mDelta
Deal found 4/10$481
This Finnair deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:59 pmONT - FCO
2 stops24h 01mMultiple Airlines
Tue 12/96:40 pmFCO - ONT
2 stops32h 07mMultiple Airlines
Deal found 4/10$486
This AirNGo deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:00 amONT - FCO
1 stop18h 30mKLM
Wed 12/1012:45 pmFCO - ONT
1 stop18h 56mKLM
Deal found 4/10$503
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:59 pmONT - ATH
2 stops28h 46mDelta
Tue 12/912:50 pmATH - ONT
2 stops32h 34mDelta
Deal found 4/10$506
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:00 amONT - FCO
1 stop15h 45mUnited Airlines
Tue 12/99:45 amFCO - ONT
2 stops20h 36mUnited Airlines
Deal found 4/10$543
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:45 amONT - BCN
2 stops19h 05mUnited Airlines
Wed 11/2612:15 pmBCN - ONT
3 stops42h 06mUnited Airlines
Deal found 4/10$552
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:00 amONT - MAD
2 stops17h 05mUnited Airlines
Wed 11/2611:05 amMAD - ONT
2 stops20h 30mUnited Airlines
Deal found 4/10$556
This Air Canada deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:45 amONT - BCN
3 stops19h 05mAir Canada
Wed 11/2612:15 pmBCN - ONT
3 stops33h 18mAir Canada
Deal found 4/10$565
This British Airways deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:01 pmONT - ATH
2 stops22h 14mBritish Airways
Mon 11/107:35 pmATH - ONT
2 stops32h 14mBritish Airways
Deal found 4/10$576
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/412:18 pmONT - MXP
1 stop36h 07mDelta
Mon 6/911:40 amMXP - ONT
1 stop17h 14mDelta
Deal found 4/10$576

Cheapflights Fare Finder

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 2,558,603 searches. Data last updated April 11, 2025.
Use the filters below to find and compare flights from Ontario to Europe that are best for you.

Fly from

Ontario

Fly to

Europe

Route

Depart

Return

Price

OntarioAthens

ONT - ATH

ONTATH

Ontario

Mon 4/28

10:15 pm-10:55 am

1 stop26h 40m

Athens Eleftherios V.

Fri 5/9

12:10 pm-10:29 pm

1 stop20h 19m

$554

OntarioMilan

ONT - MXP

ONTMXP

Ontario

Wed 6/4

12:18 pm-9:25 am

1 stop36h 07m

Milan Malpensa

Mon 6/9

11:40 am-7:54 pm

1 stop17h 14m

$576

OntarioMilan

ONT - MXP

ONTMXP

Ontario

Tue 10/7

8:18 pm-10:00 am

2 stops28h 42m

Milan Malpensa

Tue 10/21

12:15 pm-12:32 pm

2 stops33h 17m

$578

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 4/30

10:54 am-6:55 pm

2 stops22h 01m

Athens Eleftherios V.

Mon 5/12

8:45 pm-6:36 pm

2 stops31h 51m

$582

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 4/28

5:00 am-6:40 am

2 stops16h 40m

Madrid Barajas

Wed 5/14

12:45 pm-8:53 pm

2 stops17h 08m

$596

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Thu 4/24

10:54 am-2:25 pm

1 stop19h 31m

London Heathrow

Wed 4/30

4:25 pm-11:50 pm

1 stop15h 25m

$602

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sat 8/16

6:38 pm-9:55 am

2 stops29h 17m

Athens Eleftherios V.

Fri 8/29

12:35 pm-10:26 pm

1 stop19h 51m

$608

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sat 8/16

6:38 pm-10:05 am

3 stops29h 27m

Athens Eleftherios V.

Fri 8/29

2:25 pm-12:33 pm

3 stops32h 08m

$616

OntarioMilan

ONT - MXP

ONTMXP

Ontario

Mon 7/28

10:59 pm-9:25 am

1 stop25h 26m

Milan Malpensa

Sun 8/24

11:40 am-10:29 pm

1 stop19h 49m

$616

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 8/12

7:00 am-7:35 am

1 stop15h 35m

Rome Fiumicino

Tue 8/26

11:35 am-10:29 pm

1 stop19h 54m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 60 results
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6

Best time to book a flight from Ontario to Europe

Have a flexible travel schedule? Discover the best time to fly to Europe from Ontario 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Europe

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Europe (average of $523). Flying from Ontario to Europe in June is currently the most expensive (average of $953). 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.

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

Find hourly flight availability from Ontario to Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

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.

Rainfall in Europe by month

Plan your trip to Europe by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Europe ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Europe when rainfall is around 0.4 in.

Temperature in Europe by month

Plan your trip to Europe by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Europe, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 11, 2025.
China Airlines
8.2
Very good
729 reviews

Crew

8.5

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.2
Very good
729 reviews
China Airlines
8.2
Very good
729 reviews

Crew

8.5

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Delta
8.0
Very good
7,911 reviews
China Airlines
8.2
Very good
729 reviews

Crew

8.5

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
KLM
7.8
Good
1,321 reviews
China Airlines
8.2
Very good
729 reviews

Crew

8.5

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Austrian Airlines
7.6
Good
774 reviews
China Airlines
8.2
Very good
729 reviews

Crew

8.5

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Qatar Airways
7.4
Good
3,550 reviews
China Airlines
8.2
Very good
729 reviews

Crew

8.5

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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.

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

    To fly one-way, consider booking your trip with Air France, which is currently one of the cheapest options available, starting at $367. Iberia flights start at $384 while deals on Virgin Atlantic start at $387 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.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Europe (average of $523). Flying from Ontario to Europe in June is currently the most expensive (average of $953). 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 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 2,558,603 searches. Data last updated April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$454Average$884FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$470Average$804FlexibilityNo cancel feeOn-time70%
IberiaCheapest$489Average$865FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$492Average$955FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$504Average$908FlexibilityNo cancel feeOn-time71%
DeltaCheapest$567Average$942FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$690Average$1,139FlexibilityNo cancel feeOn-time67%
KLMCheapest$862Average$963FlexibilityNo cancel feeOn-time75%

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