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$368+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Round-trip from

$498
(United Airlines)

One-way from

$368
(Gurufare)

Popular in

June

Cheapest in

February

Average price

$1,237
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. 17% potential increase in price ($228 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mayo 1, 2025.

This Finnair deal was found by Cheapflights users on 4/30. 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.
lun. 12/111:18 pmONT - MAD
1 stop21h 27mMultiple Airlines
mar. 12/912:40 pmMAD - ONT
1 stop16h 32mMultiple Airlines
Deal found 4/30$481
This United Airlines deal was found by Cheapflights users on 4/30. 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.
mié. 11/196:00 amONT - MXP
2 stops19h 05mUnited Airlines
jue. 11/273:05 pmMXP - ONT
1 stop16h 21mUnited Airlines
Deal found 4/30$492
This United Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 10/75:10 amONT - MAD
2 stops16h 30mUnited Airlines
mar. 10/1412:45 pmMAD - ONT
2 stops32h 47mUnited Airlines
Deal found 4/30$498
This Delta deal was found by Cheapflights users on 4/29. 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.
mar. 10/76:00 amONT - MAD
2 stops24h 35mDelta
vie. 10/2410:05 amMAD - ONT
1 stop21h 36mDelta
Deal found 4/29$500
This United Airlines deal was found by Cheapflights users on 4/30. 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.
lun. 10/131:35 pmONT - FCO
1 stop14h 45mUnited Airlines
jue. 11/139:45 amFCO - ONT
1 stop21h 41mUnited Airlines
Deal found 4/30$505
This Ovago deal was found by Cheapflights users on 4/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/2810:54 amONT - MAD
1 stop13h 11mBritish Airways
mar. 10/712:40 pmMAD - ONT
1 stop18h 20mBritish Airways
Deal found 4/30$509
This Iberia deal was found by Cheapflights users on 4/29. 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.
mié. 4/307:00 amONT - FCO
1 stop16h 05mIberia
mié. 5/710:00 amFCO - ONT
1 stop22h 43mIberia
Deal found 4/29$515
This Billigflug deal was found by Cheapflights users on 4/30. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/267:00 amONT - FCO
1 stop18h 30mAir France
mié. 12/1012:45 pmFCO - ONT
1 stop18h 56mAir France
Deal found 4/30$527
This Delta deal was found by Cheapflights users on 4/29. 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.
sáb. 10/1810:59 pmONT - FCO
1 stop23h 36mDelta
mié. 11/1212:45 pmFCO - ONT
1 stop18h 56mDelta
Deal found 4/29$534
This Delta deal was found by Cheapflights users on 4/29. 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.
sáb. 9/2010:59 pmONT - BCN
1 stop23h 16mDelta
jue. 10/29:30 amBCN - ONT
1 stop19h 12mDelta
Deal found 4/29$542
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/67:05 amONT - MXP
1 stop17h 20mKLM
lun. 6/1611:40 amMXP - ONT
1 stop19h 45mKLM
Deal found 4/30$543
This Travelocity deal was found by Cheapflights users on 4/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/233:00 pmONT - BCN
2 stops20h 25mIberia
vie. 10/312:20 pmBCN - ONT
1 stop18h 36mIberia
Deal found 4/29$545

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 mayo 1, 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

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

mar. 10/7

5:10 am-6:40 am

2 stops16h 30m

Madrid Barajas

mar. 10/14

12:45 pm-12:32 pm

2 stops32h 47m

$498

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

mar. 10/7

6:00 am-3:35 pm

2 stops24h 35m

Madrid Barajas

vie. 10/24

10:05 am-10:41 pm

1 stop21h 36m

$500

OntarioRome

ONT - FCO

ONTFCO

Ontario

lun. 10/13

1:35 pm-1:20 pm

1 stop14h 45m

Rome Fiumicino

jue. 11/13

9:45 am-10:26 pm

1 stop21h 41m

$505

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

dom. 9/28

10:54 am-9:05 am

1 stop13h 11m

Madrid Barajas

mar. 10/7

12:40 pm-10:00 pm

1 stop18h 20m

$509

OntarioRome

ONT - FCO

ONTFCO

Ontario

lun. 5/12

6:15 am-8:05 am

1 stop16h 50m

Rome Fiumicino

jue. 5/22

10:00 am-6:36 pm

1 stop17h 36m

$515

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

mar. 10/7

8:44 am-2:20 pm

1 stop20h 36m

Madrid Barajas

vie. 10/24

4:00 pm-12:02 am

1 stop17h 02m

$521

OntarioRome

ONT - FCO

ONTFCO

Ontario

sáb. 10/18

10:59 pm-7:35 am

1 stop23h 36m

Rome Fiumicino

mié. 11/12

12:45 pm-10:41 pm

1 stop18h 56m

$534

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

sáb. 9/20

10:59 pm-7:15 am

1 stop23h 16m

Barcelona-El Prat

jue. 10/2

9:30 am-7:42 pm

1 stop19h 12m

$542

OntarioMilan

ONT - MXP

ONTMXP

Ontario

vie. 6/6

7:05 am-9:25 am

1 stop17h 20m

Milan Malpensa

lun. 6/16

11:40 am-10:25 pm

1 stop19h 45m

$543

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

mar. 9/23

3:00 pm-8:25 pm

2 stops20h 25m

Barcelona-El Prat

vie. 10/3

12:20 pm-9:56 pm

1 stop18h 36m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results
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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 $903). 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 mayo 1, 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 mayo 1, 2025.
China Airlines
8.3
Very good
732 reviews

Food

7.8

Boarding

8.3

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

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
8.3
Very good
732 reviews
China Airlines
8.3
Very good
732 reviews

Food

7.8

Boarding

8.3

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

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
7,934 reviews
China Airlines
8.3
Very good
732 reviews

Food

7.8

Boarding

8.3

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

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
1,334 reviews
China Airlines
8.3
Very good
732 reviews

Food

7.8

Boarding

8.3

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

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
Air France
7.4
Good
1,446 reviews
China Airlines
8.3
Very good
732 reviews

Food

7.8

Boarding

8.3

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

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
United Airlines
7.4
Good
8,696 reviews
China Airlines
8.3
Very good
732 reviews

Food

7.8

Boarding

8.3

Crew

8.5

Entertainment

8.0

Comfort

8.0

Overall

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 British Airways, which is currently one of the cheapest options available, starting at $368. Virgin Atlantic flights start at $375 while deals on Iberia start at $379 one-way.

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

    The most popular route from Ontario to Europe is Ontario - Paris Charles de Gaulle. You may also consider Ontario - London Heathrow 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 $903). 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$454Average$806FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$470Average$823FlexibilityNo cancel feeOn-time70%
IberiaCheapest$489Average$879FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$492Average$864FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$504Average$917FlexibilityNo cancel feeOn-time71%
DeltaCheapest$566Average$942FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$691Average$1,247FlexibilityNo cancel feeOn-time67%
KLMCheapest$862Average$963FlexibilityNo cancel feeOn-time75%

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