What airlines fly to Europe?

British Airways, Iberia and Scandinavian Airlines are the top three most popular airlines that fly to Europe from Ontario according to our data. British Airways is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Europe. Keep in mind that there are 36 different airlines that fly to Europe on a routine basis, so you have a few additional options to choose from.

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

United Airlines, KLM, and JetBlue are the most popular carriers operating from Ontario to Europe

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

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

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

The number of operators available for flights from Ontario Airport to Europe is 6 as of April 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Europe.

What documentation or ID do you need to fly to Europe?

The travel and health documents required for your trip to Europe can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Europe. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$323 Cheap Flights from Ontario to Europe in 2026

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Find the cheapest flights from Ontario to Europe

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 11:45 am

ONT

FCO

21h 45m

2 stops

11:30 am - 8:52 pm

FCO

ONT

42h 22m

2 stops

$712Air Canada

Sun, Aug 16 - Fri, Aug 28

12:33 pm - 5:05 pm

ONT

FCO

19h 32m

2 stops

1:10 pm - 10:58 pm

FCO

ONT

18h 48m

1 stop

$726British Airways

Sun, Aug 16 - Fri, Aug 28

7:00 am - 10:50 am

ONT

FCO

18h 50m

1 stop

9:45 am - 6:01 pm

FCO

ONT

17h 16m

1 stop

$728KLM

Sun, Aug 16 - Fri, Aug 28

7:00 am - 7:35 am

ONT

FCO

15h 35m

1 stop

9:45 am - 6:01 pm

FCO

ONT

17h 16m

1 stop

$748KLM

Tue, Aug 18 - Tue, Sep 1

12:00 pm - 12:15 pm

ONT

MAD

15h 15m

1 stop

9:50 am - 6:18 pm

MAD

ONT

17h 28m

1 stop

$764Delta

Wed, Oct 7 - Thu, Oct 22

6:00 am - 1:40 pm

ONT

FCO

22h 40m

1 stop

2:20 pm - 10:37 pm

FCO

ONT

41h 17m

2 stops

$768United Airlines

Mon, May 4 - Wed, May 20

1:40 pm - 9:15 am

ONT

FCO

34h 35m

2 stops

2:20 pm - 10:37 pm

FCO

ONT

41h 17m

2 stops

$772United Airlines

Mon, May 4 - Wed, May 20

7:05 am - 8:55 am

ONT

FRA

16h 50m

1 stop

10:40 am - 6:36 pm

FRA

ONT

16h 56m

1 stop

$831Delta

Wed, May 6 - Fri, May 15

7:06 am - 11:45 am

ONT

ATH

18h 39m

1 stop

6:55 am - 11:06 pm

ATH

ONT

26h 11m

2 stops

$838Iberia

Mon, Sep 7 - Wed, Sep 16

12:39 pm - 8:05 pm

ONT

LIS

23h 26m

2 stops

8:45 pm - 11:59 pm

LIS

ONT

35h 14m

2 stops

$885Iberia

Wed, Jul 8 - Wed, Jul 15

Delta flights from Ontario to Europe

Our best Delta deals on Ontario to Europe flight tickets

Delta

Oct 7

ONT12:00 pmOntario

15h 15m

1 stop

MAD12:15 pmMadrid Barajas

Oct 22

MAD9:50 amMadrid Barajas

17h 28m

1 stop

ONT6:18 pmOntario

$764

Delta

May 5

ONT2:20 pmOntario

18h 10m

2 stops

FCO5:30 pmRome Fiumicino

May 26

FCO12:45 pmRome Fiumicino

36h 32m

2 stops

ONT4:17 pmOntario

$792

Delta

Sep 13

ONT12:00 pmOntario

22h 05m

2 stops

FCO7:05 pmRome Fiumicino

Oct 6

FCO12:20 pmRome Fiumicino

31h 56m

1 stop

ONT11:16 amOntario

$798

British Airways flights from Ontario to Europe

Our best British Airways deals on Ontario to Europe flight tickets

British Airways

Aug 16

ONT12:33 pmOntario

19h 32m

2 stops

FCO5:05 pmRome Fiumicino

Aug 28

FCO1:10 pmRome Fiumicino

18h 48m

1 stop

ONT10:58 pmOntario

$726

British Airways

Sep 29

ONT7:20 amOntario

18h 55m

2 stops

MAD11:15 amMadrid Barajas

Oct 14

MAD6:25 pmMadrid Barajas

32h 22m

2 stops

ONT5:47 pmOntario

$759

British Airways

Sep 29

ONT11:59 pmOntario

24h 06m

1 stop

MAD9:05 amMadrid Barajas

Oct 14

MAD6:25 pmMadrid Barajas

32h 22m

2 stops

ONT5:47 pmOntario

$769

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sun 8/16

5:00 am-11:45 am

2 stops21h 45m

Rome Fiumicino

Fri 8/28

11:30 am-8:52 pm

2 stops42h 22m

$712

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sun 8/16

12:33 pm-5:05 pm

2 stops19h 32m

Rome Fiumicino

Fri 8/28

1:10 pm-10:58 pm

1 stop18h 48m

$726

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sun 8/16

7:00 am-10:50 am

1 stop18h 50m

Rome Fiumicino

Fri 8/28

9:45 am-6:01 pm

1 stop17h 16m

$728

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 8/18

7:00 am-7:35 am

1 stop15h 35m

Rome Fiumicino

Tue 9/1

9:45 am-6:01 pm

1 stop17h 16m

$748

Quickest round-trip

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 10/7

12:00 pm-12:15 pm

1 stop15h 15m

Madrid Barajas

Thu 10/22

9:50 am-6:18 pm

1 stop17h 28m

$764

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 5/4

6:00 am-1:40 pm

1 stop22h 40m

Rome Fiumicino

Wed 5/20

2:20 pm-10:37 pm

2 stops41h 17m

$768

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 5/4

1:40 pm-9:15 am

2 stops34h 35m

Rome Fiumicino

Wed 5/20

2:20 pm-10:37 pm

2 stops41h 17m

$772

OntarioFrankfurt am Main

ONT - FRA

ONTFRA

Ontario

Wed 5/6

7:05 am-8:55 am

1 stop16h 50m

Frankfurt am Main

Fri 5/15

10:40 am-6:36 pm

1 stop16h 56m

$831

OntarioAthens

ONT - ATH

ONTATH

Ontario

Mon 9/7

7:06 am-11:45 am

1 stop18h 39m

Athens Eleftherios V.

Wed 9/16

6:55 am-11:06 pm

2 stops26h 11m

$838

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Wed 7/8

12:39 pm-8:05 pm

2 stops23h 26m

Lisbon Humberto Delgado

Wed 7/15

8:45 pm-11:59 pm

2 stops35h 14m

$885

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Europe

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

What is the cheapest month to fly to Europe?

The cheapest month to fly to Europe from Ontario is in March. Flight prices, which tend to average around $576, are often lower during this time because this is during the off-season. If you aren’t able to travel to Europe during the month of March, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $608.

Can stopping save me money on Ontario to Europe flights?

You could potentially save up to 47% on your flight if you consider stops on a Ontario to Europe flight.

Cheap Ontario to Europe flight deals and tips

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

Fastest flight time	11h 55m
Direct flights	None

The fastest flight from Ontario to Europe takes 11h 55m

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

Search flight deals

Frequently asked questions about flying from Ontario to Europe

When did momondo last update prices for flights from Ontario Airport to Europe?
Prices for flights from Ontario Airport to Europe are updated daily.
How many operators does momondo search for flights from Ontario Airport to Europe?
The number of operators available for flights from Ontario Airport to Europe is 6 as of April 2026.
How old do you have to be to fly from Ontario Airport to Europe?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Europe.
What documentation or ID do you need to fly to Europe?
The travel and health documents required for your trip to Europe can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Europe. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Europe

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

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $497	Free Cancellation	Rating 7.0 3,195 reviews	Search Iberia flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 7,910 reviews	Search British Airways flights
United Airlines	PriceFrom $515	Free Cancellation	Rating 7.4 9,644 reviews	Search United Airlines flights
Delta	PriceFrom $557	Free Cancellation	Rating 7.9 8,443 reviews	Search Delta flights
KLM	PriceFrom $580	Free Cancellation	Rating 7.8 1,508 reviews	Search KLM flights
American Airlines	PriceFrom $624	Free Cancellation	Rating 7.1 11,664 reviews	Search American Airlines flights

Why use momondo?

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

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 Ontario to Europe for you.

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

Flights from Ontario to Europe with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Ontario to Europe 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 Ontario to Europe right now. Can momondo alert me if prices change?

Price alerts on flights to Europe from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.