What airlines fly to Ontario?

British Airways, Scandinavian Airlines and Lufthansa 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 27 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?

American Airlines, British Airways, and Virgin Atlantic 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 October 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.

$392 Cheap Flights from Europe to Ontario in 2025/26

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6:50 am - 8:42 pmBCN-ONT

22h 52m2 stops

6:41 pm - 8:20 amONT-BCN

28h 39m2 stops

$471United Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

8:35 am - 9:59 pmMAD-ONT

22h 24m2 stops

6:00 am - 9:15 amONT-MAD

18h 15m2 stops

$472United Airlines

Find Deal

Fri, Feb 20 - Tue, Feb 24

10:40 am - 6:45 pmBCN-ONT

17h 05m1 stop

11:59 pm - 8:50 amONT-BCN

23h 51m1 stop

$480British Airways

Find Deal

Mon, Jan 19 - Sun, Feb 8

11:00 am - 10:23 pmBCN-ONT

20h 23m2 stops

7:00 am - 9:00 amONT-BCN

17h 00m2 stops

$482Multiple Airlines

Find Deal

Thu, Nov 6 - Mon, Nov 10

1:00 pm - 9:11 pmMAD-ONT

17h 11m1 stop

10:47 am - 9:25 amONT-MAD

13h 38m1 stop

$483British Airways

Find Deal

Thu, Nov 6 - Tue, Nov 11

1:00 pm - 11:43 pmMAD-ONT

19h 43m1 stop

11:55 pm - 9:25 amONT-MAD

24h 30m1 stop

$484Multiple Airlines

Find Deal

Mon, Feb 16 - Sun, Feb 22

1:35 pm - 12:33 pmBCN-ONT

31h 58m3 stops

5:05 am - 9:35 amONT-BCN

19h 30m3 stops

$496Air Canada

Find Deal

Thu, Nov 6 - Mon, Nov 10

10:40 am - 2:18 pmBCN-ONT

36h 38m1 stop

7:16 am - 8:50 amONT-BCN

16h 34m1 stop

$515Iberia

Find Deal

Wed, Jan 7 - Tue, Jan 13

10:45 am - 9:56 pmBCN-ONT

20h 11m1 stop

6:43 am - 7:35 amONT-BCN

15h 52m1 stop

$517Iberia

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Thu, Apr 16 - Mon, May 11

2:40 pm - 12:43 pmBER-ONT

30h 03m3 stops

5:40 am - 9:50 amONT-BER

20h 10m3 stops

$682Air Canada

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Mon, Mar 9 - Mon, Mar 23

Air Canada flights from Europe to Ontario

Our best Air Canada deals on Europe to Ontario flight tickets

Air Canada

Nov 6

BCN1:35 pmBarcelona-El Prat

31h 58m

3 stops

ONT12:33 pmOntario

Nov 10

ONT5:05 amOntario

19h 30m

3 stops

BCN9:35 amBarcelona-El Prat

$496

Find similar

Air Canada

Mar 9

BER2:40 pmBerlin Brandenburg

30h 03m

3 stops

ONT12:43 pmOntario

Mar 23

ONT5:40 amOntario

20h 10m

3 stops

BER9:50 amBerlin Brandenburg

$682

Find similar

Air Canada

Nov 5

LHR2:30 pmLondon Heathrow

16h 21m

2 stops

ONT10:51 pmOntario

Jan 10

ONT5:05 amOntario

18h 05m

2 stops

LHR7:10 amLondon Heathrow

$815

Find similar

United Airlines flights from Europe to Ontario

Our best United Airlines deals on Europe to Ontario flight tickets

United Airlines

Nov 6

BCN9:55 amBarcelona-El Prat

20h 54m

2 stops

ONT9:49 pmOntario

Nov 13

ONT5:05 amOntario

18h 55m

2 stops

BCN9:00 amBarcelona-El Prat

$471

Find similar

United Airlines

Feb 20

MAD8:35 amMadrid Barajas

22h 24m

2 stops

ONT9:59 pmOntario

Feb 24

ONT6:00 amOntario

18h 15m

2 stops

MAD9:15 amMadrid Barajas

$472

Find similar

United Airlines

Nov 10

BCN6:50 amBarcelona-El Prat

19h 44m

2 stops

ONT5:34 pmOntario

Nov 17

ONT5:05 amOntario

19h 30m

2 stops

BCN9:35 amBarcelona-El Prat

$473

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Sat 12/6

6:50 am-8:42 pm

2 stops22h 52m

Ontario

Sat 12/13

6:41 pm-8:20 am

2 stops28h 39m

$471

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 2/20

8:35 am-9:59 pm

2 stops22h 24m

Ontario

Tue 2/24

6:00 am-9:15 am

2 stops18h 15m

$472

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Mon 1/19

10:40 am-6:45 pm

1 stop17h 05m

Ontario

Sun 2/8

11:59 pm-8:50 am

1 stop23h 51m

$480

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Thu 11/6

11:00 am-10:23 pm

2 stops20h 23m

Ontario

Mon 11/10

7:00 am-9:00 am

2 stops17h 00m

$482

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 11/6

1:00 pm-9:11 pm

1 stop17h 11m

Ontario

Tue 11/11

10:47 am-9:25 am

1 stop13h 38m

$483

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 2/16

1:00 pm-11:43 pm

1 stop19h 43m

Ontario

Sun 2/22

11:55 pm-9:25 am

1 stop24h 30m

$484

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Thu 11/6

1:35 pm-12:33 pm

3 stops31h 58m

Ontario

Mon 11/10

5:05 am-9:35 am

3 stops19h 30m

$496

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Wed 1/7

10:40 am-2:18 pm

1 stop36h 38m

Ontario

Tue 1/13

7:16 am-8:50 am

1 stop16h 34m

$515

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Thu 4/16

10:45 am-9:56 pm

1 stop20h 11m

Ontario

Mon 5/11

6:43 am-7:35 am

1 stop15h 52m

$517

BerlinOntario

BER - ONT

BERONT

Berlin Brandenburg

Mon 3/9

2:40 pm-12:43 pm

3 stops30h 03m

Ontario

Mon 3/23

5:40 am-9:50 am

3 stops20h 10m

$682

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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

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Other information

What is the cheapest month to fly to Ontario?

In general, September 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 $552. If you aren’t able to travel during the month of September, then book flights to Ontario from Europe during January instead. Flights to Ontario in January, while not as cheap as those in September, still average around $557.

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 $718 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 $543 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 October 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 8,995 reviews		Search United Airlines 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.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Europe to Los Angeles from $392

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Europe to Los Angeles departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

What is the cheapest month to fly to Ontario?

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

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

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

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.

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

American Airlines, British Airways, and Virgin Atlantic are the most popular carriers operating from Europe to Ontario

What airlines fly 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.

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

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

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

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

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

Best airlines flying from Europe to Ontario

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

Why use momondo?

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

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

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

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

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California