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Ontario

$266+ 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
Jan 13 — Jan 201
Mon 1/13
Mon 1/20
1 adult, Economy
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Cheap flight deals from Europe to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Europe (EU0) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 8, 2025.

Round-trip from

$506
(Lufthansa)

One-way from

$266
(Trip.com)
From Europe to Ontario
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One-way flight from Europe to Ontario
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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 January 8, 2025.

This Lufthansa deal was found by Cheapflights users on 1/7. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/56:30 amLHR - ONT
2 stops19h 34mMultiple Airlines
Wed 2/126:00 amONT - LHR
1 stop20h 50mMultiple Airlines
Deal found 1/7$506
This Ticket deal was found by Cheapflights users on 1/8. 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.
Mon 1/202:30 pmLHR - ONT
1 stop16h 22mKLM
Mon 2/31:00 pmONT - LHR
1 stop13h 35mKLM
Deal found 1/8$508
This The Travel House deal was found by Cheapflights users on 1/8. 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.
Tue 2/111:50 pmLHR - ONT
1 stop16h 55mFinnair
Tue 2/182:54 pmONT - LHR
1 stop13h 11mFinnair
Deal found 1/8$525
This Iberia deal was found by Cheapflights users on 1/7. 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 3/107:35 amLHR - ONT
2 stops21h 52mIberia
Wed 3/2610:57 amONT - LHR
1 stop13h 23mIberia
Deal found 1/7$533
This Delta deal was found by Cheapflights users on 1/7. 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 3/126:30 amLHR - ONT
2 stops23h 13mDelta
Wed 3/265:40 amONT - LHR
2 stops18h 10mDelta
Deal found 1/7$534
This United Airlines deal was found by Cheapflights users on 1/8. 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.
Tue 1/2110:05 amLHR - ONT
1 stop15h 59mUnited Airlines
Tue 2/1110:47 amONT - LHR
2 stops14h 53mUnited Airlines
Deal found 1/8$537
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Thu 3/1310:15 amMXP - ONT
2 stops21h 39mAmerican Airlines
Tue 3/184:30 pmONT - MXP
2 stops19h 15mAmerican Airlines
Deal found 1/7$538
This Air Canada deal was found by Cheapflights users on 1/8. 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.
Tue 1/213:00 pmLHR - ONT
2 stops37h 51mAir Canada
Tue 2/115:10 amONT - LHR
2 stops18h 00mAir Canada
Deal found 1/8$539
This Booking.com deal was found by Cheapflights users on 1/8. 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.
Sat 2/227:45 amLIN - ONT
2 stops19h 50mBritish Airways
Sat 3/110:51 amONT - LIN
2 stops38h 24mBritish Airways
Deal found 1/8$544
This Finnair deal was found by Cheapflights users on 1/6. 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.
Sat 3/86:55 pmMXP - ONT
2 stops35h 32mMultiple Airlines
Wed 3/1910:57 amONT - MXP
2 stops23h 08mMultiple Airlines
Deal found 1/6$545
This British Airways deal was found by Cheapflights users on 1/6. 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.
Wed 3/1211:20 amMXP - ONT
2 stops18h 40mBritish Airways
Wed 3/192:54 pmONT - MXP
2 stops17h 46mBritish Airways
Deal found 1/6$550
This United Airlines deal was found by Cheapflights users on 1/8. 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 3/129:45 amMXP - ONT
2 stops21h 00mUnited Airlines
Wed 3/196:00 amONT - MXP
2 stops19h 20mUnited Airlines
Deal found 1/8$554

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 January 8, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 2/5

6:30 am-6:04 pm

2 stops19h 34m

Ontario

Wed 2/12

6:00 am-10:50 am

1 stop20h 50m

$506

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 1/20

2:30 pm-10:52 pm

1 stop16h 22m

Ontario

Mon 2/3

1:00 pm-10:35 am

1 stop13h 35m

$508

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 2/11

1:50 pm-10:45 pm

1 stop16h 55m

Ontario

Tue 2/18

2:54 pm-12:05 pm

1 stop13h 11m

$525

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 2/3

8:25 pm-4:28 pm

2 stops28h 03m

Ontario

Tue 2/18

6:00 am-7:05 am

2 stops17h 05m

$528

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 3/10

7:35 am-10:27 pm

2 stops21h 52m

Ontario

Wed 3/26

10:57 am-7:20 am

1 stop13h 23m

$533

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 3/12

6:30 am-10:43 pm

2 stops23h 13m

Ontario

Wed 3/26

5:40 am-6:50 am

2 stops18h 10m

$534

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 1/21

10:05 am-6:04 pm

1 stop15h 59m

Ontario

Tue 2/11

10:47 am-9:40 am

2 stops14h 53m

$537

MilanOntario

MXP - ONT

MXPONT

Milan Malpensa

Thu 3/13

10:15 am-11:54 pm

2 stops21h 39m

Ontario

Tue 3/18

4:30 pm-7:45 pm

2 stops19h 15m

$538

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 1/21

3:00 pm-8:51 pm

2 stops37h 51m

Ontario

Tue 2/11

5:10 am-7:10 am

2 stops18h 00m

$539

MilanOntario

LIN - ONT

LINONT

Milan Linate

Sat 2/22

7:45 am-6:35 pm

2 stops19h 50m

Ontario

Sat 3/1

10:51 am-10:15 am

2 stops38h 24m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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 $314). 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 January 8, 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 January 8, 2025.
Delta
8.0
Very good
8,499 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,499 reviews
Delta
8.0
Very good
8,499 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,337 reviews
Delta
8.0
Very good
8,499 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,281 reviews
Delta
8.0
Very good
8,499 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
662 reviews
Delta
8.0
Very good
8,499 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,486 reviews
Delta
8.0
Very good
8,499 reviews

Entertainment

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 WestJet, which is currently one of the cheapest options available, starting at $497. Iberia flights start at $532 while deals on British Airways start at $598 one-way.

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

    Most travelers choose Milan Malpensa - Ontario, Paris Charles de Gaulle - 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 $314). 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 January 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$651Average$974FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$668Average$1,382FlexibilityNo cancel feeOn-time69%
KLMCheapest$744Average$879FlexibilityNo cancel feeOn-time75%
IberiaCheapest$764Average$1,383FlexibilityNo cancel feeOn-time77%
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