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Ontario

$321+ Cheap flights from Europe to Ontario (ONT)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ONT
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Europe to Ontario

Keep the following information in mind while searching for Europe to Ontario flight deals. Data was last updated febrero 20, 2025.

Round-trip from

$505
(United Airlines)

One-way from

$322
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$538
From Europe to Ontario
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One-way flight from Europe to Ontario
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Highest demand for flights based on searches. 18% potential increase in price ($156 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Europe to Ontario

Cheapest flights from Europe to Ontario
Explore the most affordable flight options available from Europe to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/19. 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.
jue. 3/209:30 amLHR - ONT
2 stops20h 15mUnited Airlines
jue. 3/276:00 amONT - LHR
1 stop18h 30mUnited Airlines
Deal found 2/19$505
This Ticket deal was found by Cheapflights users on 2/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/82:30 pmLHR - ONT
1 stop16h 22mKLM
mié. 3/121:30 pmONT - LHR
1 stop13h 30mKLM
Deal found 2/20$515
This flugladen.de deal was found by Cheapflights users on 2/20. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/610:20 amMUC - ONT
1 stop19h 42mBritish Airways
mié. 3/1210:27 pmONT - MUC
1 stop25h 03mBritish Airways
Deal found 2/20$522
This The Travel House deal was found by Cheapflights users on 2/19. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/221:45 pmLHR - ONT
1 stop16h 00mLufthansa
sáb. 3/291:40 pmONT - LHR
1 stop14h 40mLufthansa
Deal found 2/19$523
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/2710:20 amMUC - ONT
1 stop19h 42mAmerican Airlines
lun. 3/1010:27 pmONT - MUC
1 stop25h 03mAmerican Airlines
Deal found 2/20$524
This Iberia deal was found by Cheapflights users on 2/20. 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.
vie. 3/710:50 amMUC - ONT
2 stops20h 41mMultiple Airlines
mar. 3/1110:57 amONT - MUC
2 stops19h 53mMultiple Airlines
Deal found 2/20$526
This The Travel House deal was found by Cheapflights users on 2/19. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/299:25 amLHR - ONT
1 stop16h 36mFinnair
mar. 4/82:44 pmONT - LHR
1 stop13h 46mFinnair
Deal found 2/19$531
This United Airlines deal was found by Cheapflights users on 2/20. 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.
vie. 3/78:25 amMAD - ONT
2 stops37h 19mUnited Airlines
mar. 3/115:05 amONT - MAD
2 stops20h 30mUnited Airlines
Deal found 2/20$537
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/1110:50 amFRA - ONT
1 stop16h 11mBritish Airways
mar. 3/257:00 amONT - FRA
1 stop16h 15mBritish Airways
Deal found 2/20$539
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/910:50 amFRA - ONT
1 stop18h 03mAmerican Airlines
lun. 3/2411:59 pmONT - FRA
1 stop23h 16mAmerican Airlines
Deal found 2/20$542
This Iberia deal was found by Cheapflights users on 2/19. 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. 3/1210:50 amFRA - ONT
1 stop19h 37mIberia
mié. 3/197:00 amONT - FRA
1 stop16h 15mIberia
Deal found 2/19$543
This Air Canada deal was found by Cheapflights users on 2/20. 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.
mar. 3/411:10 amLHR - ONT
2 stops18h 49mMultiple Airlines
mar. 3/111:40 pmONT - LHR
2 stops15h 10mMultiple Airlines
Deal found 2/20$547

Find flights from Europe to Ontario within your budget

Customize your flight search to find flights from Europe to Ontario 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 febrero 20, 2025.

Fly from

Europe

Fly to

Ontario

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

jue. 3/20

6:30 am-6:04 pm

2 stops18h 34m

Ontario

jue. 3/27

5:05 am-7:10 am

2 stops19h 05m

$505

LondonOntario

LHR - ONT

LHRONT

London Heathrow

sáb. 3/8

2:30 pm-10:52 pm

1 stop16h 22m

Ontario

mié. 3/12

1:30 pm-10:00 am

1 stop13h 30m

$515

MunichOntario

MUC - ONT

MUCONT

Munich Franz Josef Strauss

jue. 3/6

10:20 am-9:02 pm

1 stop19h 42m

Ontario

mié. 3/12

10:27 pm-7:30 am

1 stop25h 03m

$522

LondonOntario

LHR - ONT

LHRONT

London Heathrow

sáb. 3/22

1:45 pm-10:45 pm

1 stop16h 00m

Ontario

sáb. 3/29

1:40 pm-11:20 am

1 stop14h 40m

$523

MunichOntario

MUC - ONT

MUCONT

Munich Franz Josef Strauss

mié. 3/5

10:20 am-9:02 pm

1 stop19h 42m

Ontario

mar. 3/18

10:27 pm-7:30 am

1 stop25h 03m

$524

MunichOntario

MUC - ONT

MUCONT

Munich Franz Josef Strauss

vie. 3/7

10:50 am-10:31 pm

2 stops20h 41m

Ontario

mar. 3/11

10:57 am-2:50 pm

2 stops19h 53m

$526

LondonOntario

LHR - ONT

LHRONT

London Heathrow

sáb. 3/29

9:25 am-7:01 pm

1 stop16h 36m

Ontario

mar. 4/8

2:44 pm-12:30 pm

1 stop13h 46m

$531

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

vie. 3/7

8:25 am-12:44 pm

2 stops37h 19m

Ontario

mar. 3/11

5:05 am-9:35 am

2 stops20h 30m

$537

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

mar. 3/11

10:50 am-7:01 pm

1 stop16h 11m

Ontario

mar. 3/25

7:00 am-7:15 am

1 stop16h 15m

$539

Frankfurt am MainOntario

FRA - ONT

FRAONT

Frankfurt am Main

dom. 3/9

10:50 am-7:53 pm

1 stop18h 03m

Ontario

lun. 3/24

11:59 pm-7:15 am

1 stop23h 16m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 60 results
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Best time to book a flight from Europe to Ontario

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

Travel insights for flights from Europe to Ontario

Get recent, data-driven insights about flights from Europe to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Europe to Ontario (average of $246). Flying from Europe to Ontario in March is currently the most expensive (average of $315). 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 EU to ONT?

Find hourly flight availability from Europe to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

When flying from Europe to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated febrero 20, 2025.
China Airlines
8.2
Very good
727 reviews

Entertainment

8.0

Overall

8.2

Food

7.8

Crew

8.5

Boarding

8.3

Comfort

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

China Airlines
8.2
Very good
727 reviews
China Airlines
8.2
Very good
727 reviews

Entertainment

8.0

Overall

8.2

Food

7.8

Crew

8.5

Boarding

8.3

Comfort

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Delta
8.0
Very good
8,220 reviews
China Airlines
8.2
Very good
727 reviews

Entertainment

8.0

Overall

8.2

Food

7.8

Crew

8.5

Boarding

8.3

Comfort

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

KLM
7.8
Good
1,333 reviews
China Airlines
8.2
Very good
727 reviews

Entertainment

8.0

Overall

8.2

Food

7.8

Crew

8.5

Boarding

8.3

Comfort

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Finnair
7.6
Good
1,273 reviews
China Airlines
8.2
Very good
727 reviews

Entertainment

8.0

Overall

8.2

Food

7.8

Crew

8.5

Boarding

8.3

Comfort

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Virgin Atlantic
7.5
Good
654 reviews
China Airlines
8.2
Very good
727 reviews

Entertainment

8.0

Overall

8.2

Food

7.8

Crew

8.5

Boarding

8.3

Comfort

8.0

Reviews

1 / 20

6.0
Good

Alex,Dec 2024

SYD - TPE

For the money it’s good value. Seat space rather small

Related info for your journey

Find useful and relevant information for your journey from Europe to Ontario. 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 into for flights to Ontario from Europe?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from Europe.

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

    To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $582. Lufthansa flights start at $602 while deals on Finnair start at $619 one-way.

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

    Most travelers choose Paris Charles de Gaulle - Ontario, Frankfurt am Main - Ontario or London Heathrow - Ontario when deciding on the best route from Europe to Ontario.

  • Can I find deals for flights from Europe to Ontario that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Europe to Ontario 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 Europe to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Europe to Ontario (average of $246). Flying from Europe to Ontario in March is currently the most expensive (average of $315). 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 Europe to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Europe to Ontario

Discover the top 4 airlines that operate flights from Europe to Ontario. 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$668Average$1,382FlexibilityNo cancel feeOn-time69%
KLMCheapest$744Average$879FlexibilityNo cancel feeOn-time75%
IberiaCheapest$764Average$1,336FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$942Average$1,289FlexibilityNo cancel feeOn-time70%
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