What airlines fly to Ontario?

British Airways, Delta and Scandinavian Airlines are the top three most popular airlines that fly to Ontario from Europe according to our data. British Airways is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 26 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Europe to Ontario?

British Airways and Iberia are the most popular carriers operating from Europe to Ontario

How long does it take to fly to Ontario?

Average flight duration from Europe to Ontario depends on which airport you fly into and out of. Flying from Copenhagen to Los Angeles is 11h 05m on average, while flying from Madrid to Los Angeles is 12h 05m on average. Los Angeles is the most popular airport in Ontario.

When did momondo last update prices for flights from Europe to Ontario Airport?

Prices for flights from Europe to Ontario Airport are updated daily.

How many operators does momondo search for flights from Europe to Ontario Airport?

As of August 2025, there is 1 operator available to choose from for flights from Europe to Ontario Airport.

How old do you have to be to fly from Europe to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Europe to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$399 Cheap Flights from Europe to Ontario in 2025

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Find the cheapest flights from Europe to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

10:55 am - 10:33 pmBRU-ONT

20h 38m2 stops

10:35 pm - 6:50 pmONT-BRU

35h 15m2 stops

$489American Airlines

Find Deal

Tue, Sep 9 - Wed, Sep 17

10:50 am - 10:16 pmBRU-ONT

20h 26m2 stops

4:49 pm - 7:45 pmONT-BRU

17h 56m2 stops

$495British Airways

Find Deal

Thu, Oct 2 - Sat, Oct 11

10:10 am - 10:25 pmBRU-ONT

21h 15m1 stop

11:59 pm - 8:55 amONT-BRU

23h 56m1 stop

$528United Airlines

Find Deal

Thu, Dec 25 - Sat, Jan 3

10:15 am - 10:30 pmBRU-ONT

21h 15m1 stop

6:27 pm - 8:05 amONT-BRU

28h 38m2 stops

$529United Airlines

Find Deal

Fri, Oct 3 - Fri, Oct 10

7:15 pm - 10:40 pmLHR-ONT

35h 25m2 stops

11:55 am - 6:45 amONT-LHR

34h 50m1 stop

$543Virgin Atlantic

Find Deal

Wed, Sep 10 - Fri, Sep 26

6:50 am - 6:22 pmCDG-ONT

20h 32m2 stops

6:40 am - 9:05 amONT-CDG

17h 25m1 stop

$544

Find Deal

Thu, Nov 13 - Fri, Dec 12

12:20 pm - 10:38 pmLHR-ONT

18h 18m1 stop

6:45 am - 10:30 amONT-LHR

19h 45m1 stop

$545Virgin Atlantic

Find Deal

Mon, Jan 26 - Thu, Feb 5

6:50 am - 6:22 pmCDG-ONT

20h 32m2 stops

10:57 am - 9:05 amONT-CDG

13h 08m1 stop

$545

Find Deal

Thu, Nov 13 - Fri, Dec 12

11:20 am - 7:15 pmLHR-ONT

15h 55m1 stop

1:15 pm - 9:50 amONT-LHR

12h 35m1 stop

$573KLM

Find Deal

Thu, Sep 11 - Sat, Sep 27

2:45 pm - 10:41 pmLHR-ONT

15h 56m1 stop

11:29 am - 10:30 amONT-LHR

15h 01m1 stop

$578KLM

Find Deal

Thu, Nov 6 - Sun, Nov 16

British Airways flights from Europe to Ontario

Our best British Airways deals on Europe to Ontario flight tickets

British Airways

Oct 2

BRU10:50 amBrussels Bruxelles-National

20h 26m

2 stops

ONT10:16 pmOntario

Oct 11

ONT4:49 pmOntario

17h 56m

2 stops

BRU7:45 pmBrussels Bruxelles-National

$495

Find similar

British Airways

Feb 3

LHR2:55 pmLondon Heathrow

15h 07m

1 stop

ONT10:02 pmOntario

Feb 10

ONT5:03 pmOntario

12h 12m

1 stop

LHR1:15 pmLondon Heathrow

$531

Find similar

British Airways

Aug 30

LHR4:25 pmLondon Heathrow

27h 28m

1 stop

ONT11:53 amOntario

Nov 27

ONT1:31 pmOntario

15h 44m

1 stop

LHR1:15 pmLondon Heathrow

$543

Find similar

Iberia flights from Europe to Ontario

Our best Iberia deals on Europe to Ontario flight tickets

Iberia

Jan 10

CDG11:05 amParis Charles de Gaulle

19h 57m

1 stop

ONT10:02 pmOntario

Jan 17

ONT6:37 amOntario

17h 28m

1 stop

CDG9:05 amParis Charles de Gaulle

$563

Find similar

Iberia

Feb 4

LHR2:55 pmLondon Heathrow

15h 07m

1 stop

ONT10:02 pmOntario

Feb 9

ONT8:43 amOntario

14h 07m

1 stop

LHR6:50 amLondon Heathrow

$574

Find similar

Iberia

Oct 4

LHR6:10 amLondon Heathrow

20h 44m

2 stops

ONT6:54 pmOntario

Oct 11

ONT2:51 pmOntario

15h 34m

1 stop

LHR2:25 pmLondon Heathrow

$579

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BrusselsOntario

BRU - ONT

BRUONT

Brussels Bruxelles-National

Tue 9/9

10:55 am-10:33 pm

2 stops20h 38m

Ontario

Wed 9/17

10:35 pm-6:50 pm

2 stops35h 15m

$489

BrusselsOntario

BRU - ONT

BRUONT

Brussels Bruxelles-National

Thu 10/2

10:50 am-10:16 pm

2 stops20h 26m

Ontario

Sat 10/11

4:49 pm-7:45 pm

2 stops17h 56m

$495

BrusselsOntario

BRU - ONT

BRUONT

Brussels Bruxelles-National

Thu 12/25

10:10 am-10:25 pm

1 stop21h 15m

Ontario

Sat 1/3

11:59 pm-8:55 am

1 stop23h 56m

$528

BrusselsOntario

BRU - ONT

BRUONT

Brussels Bruxelles-National

Fri 10/3

10:15 am-10:30 pm

1 stop21h 15m

Ontario

Fri 10/10

6:27 pm-8:05 am

2 stops28h 38m

$529

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 9/10

7:15 pm-10:40 pm

2 stops35h 25m

Ontario

Fri 9/26

11:55 am-6:45 am

1 stop34h 50m

$543

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Thu 11/13

6:50 am-6:22 pm

2 stops20h 32m

Ontario

Fri 12/12

6:40 am-9:05 am

1 stop17h 25m

$544

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 1/26

12:20 pm-10:38 pm

1 stop18h 18m

Ontario

Thu 2/5

6:45 am-10:30 am

1 stop19h 45m

$545

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Thu 11/13

6:50 am-6:22 pm

2 stops20h 32m

Ontario

Fri 12/12

10:57 am-9:05 am

1 stop13h 08m

$545

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 9/11

11:20 am-7:15 pm

1 stop15h 55m

Ontario

Sat 9/27

1:15 pm-9:50 am

1 stop12h 35m

$573

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 11/6

2:45 pm-10:41 pm

1 stop15h 56m

Ontario

Sun 11/16

11:29 am-10:30 am

1 stop15h 01m

$578

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Europe to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Europe to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $546. If you aren’t able to travel during the month of February, then book flights to Ontario from Europe during January instead. Flights to Ontario in January, while not as cheap as those in February, still average around $559.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $602. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Europe to Ontario for around $991.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Europe to Ontario when you can find flight prices for as low as $602. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $814 on average. Flights to Ontario from Europe at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Europe when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $727 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Europe for as low as $575 on momondo.

Can stopping save me money on Europe to Ontario flights?

You could potentially save up to 8% on your flight if you consider stops on a Europe to Ontario flight.

Cheap Europe to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Europe to Ontario

Direct flights	None

There are no direct flights from Europe to Ontario. There are no popular flight routes from Europe to Ontario.

Search flight deals

When did momondo last update prices for flights from Europe to Ontario Airport?
Prices for flights from Europe to Ontario Airport are updated daily.
How many operators does momondo search for flights from Europe to Ontario Airport?
As of August 2025, there is 1 operator available to choose from for flights from Europe to Ontario Airport.
How old do you have to be to fly from Europe to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Europe to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Europe to Ontario

Compare and see reviews for airlines that fly from Europe to Ontario with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $560	Free Cancellation	Rating 7.4 8,930 reviews		Search United Airlines flights
KLM	PriceFrom $744	Free Cancellation	Rating 7.8 1,388 reviews		Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Europe to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Europe to Ontario for you.

Can I find flights from Europe to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Europe which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Europe to Ontario?

Once all potential Europe to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Europe to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Europe and alert you when they change.