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, British Airways, and Virgin Atlantic 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.

$335 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.

7:13 pm - 1:40 pm

ONT

FCO

33h 27m

1 stop

11:30 am - 12:12 pm

FCO

ONT

57h 42m

2 stops

$707United Airlines

Sun, Aug 16 - Tue, Aug 25

7:13 pm - 11:45 am

ONT

FCO

31h 32m

2 stops

2:20 pm - 6:19 pm

FCO

ONT

36h 59m

2 stops

$710United Airlines

Mon, Aug 17 - Wed, Aug 26

5:45 am - 1:15 pm

ONT

FCO

22h 30m

2 stops

2:20 pm - 6:19 pm

FCO

ONT

36h 59m

2 stops

$711United Airlines

Tue, Aug 18 - Wed, Aug 26

1:00 pm - 4:25 pm

ONT

FCO

18h 25m

2 stops

1:10 pm - 11:06 pm

FCO

ONT

18h 56m

1 stop

$723American Airlines

Tue, Aug 18 - Tue, Aug 25

12:35 pm - 5:05 pm

ONT

FCO

19h 30m

2 stops

1:10 pm - 9:08 pm

FCO

ONT

16h 58m

1 stop

$724British Airways

Sun, Aug 16 - Thu, Aug 27

7:00 am - 7:35 am

ONT

FCO

15h 35m

1 stop

10:35 am - 4:14 pm

FCO

ONT

38h 39m

2 stops

$727Delta

Mon, Aug 17 - Mon, Aug 24

10:25 am - 9:05 am

ONT

MAD

13h 40m

1 stop

12:40 pm - 6:57 pm

MAD

ONT

15h 17m

1 stop

$748British Airways

Wed, Aug 5 - Wed, Sep 9

7:00 am - 11:15 am

ONT

LIS

20h 15m

2 stops

5:00 am - 9:48 pm

LIS

ONT

24h 48m

2 stops

$750Delta

Tue, May 5 - Tue, May 12

2:22 pm - 11:45 am

ONT

ATH

35h 23m

1 stop

6:55 am - 11:06 pm

ATH

ONT

26h 11m

2 stops

$842Iberia

Tue, Sep 1 - Wed, Sep 9

7:30 am - 9:45 am

ONT

DUB

18h 15m

1 stop

9:50 am - 11:46 pm

DUB

ONT

21h 56m

2 stops

$874Iberia

Mon, Apr 20 - Wed, May 6

Iberia flights from Ontario to Europe

Our best Iberia deals on Ontario to Europe flight tickets

Iberia

Aug 3

ONT2:15 pmOntario

20h 25m

2 stops

FCO7:40 pmRome Fiumicino

Aug 24

FCO8:25 pmRome Fiumicino

55h 32m

2 stops

ONT6:57 pmOntario

$754

Iberia

Sep 1

ONT2:22 pmOntario

35h 23m

1 stop

ATH11:45 amAthens Eleftherios V.

Sep 9

ATH6:55 amAthens Eleftherios V.

26h 11m

2 stops

ONT11:06 pmOntario

$842

Iberia

Apr 20

ONT7:30 amOntario

18h 15m

1 stop

DUB9:45 amDublin

May 6

DUB9:50 amDublin

21h 56m

2 stops

ONT11:46 pmOntario

$874

British Airways flights from Ontario to Europe

Our best British Airways deals on Ontario to Europe flight tickets

British Airways

Aug 16

ONT12:35 pmOntario

19h 30m

2 stops

FCO5:05 pmRome Fiumicino

Aug 27

FCO1:10 pmRome Fiumicino

16h 58m

1 stop

ONT9:08 pmOntario

$724

British Airways

Aug 16

ONT12:35 pmOntario

19h 30m

2 stops

FCO5:05 pmRome Fiumicino

Aug 25

FCO7:40 amRome Fiumicino

22h 28m

2 stops

ONT9:08 pmOntario

$743

British Airways

Aug 5

ONT10:25 amOntario

13h 40m

1 stop

MAD9:05 amMadrid Barajas

Sep 9

MAD12:40 pmMadrid Barajas

15h 17m

1 stop

ONT6:57 pmOntario

$748

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sun 8/16

7:13 pm-1:40 pm

1 stop33h 27m

Rome Fiumicino

Tue 8/25

11:30 am-12:12 pm

2 stops57h 42m

$707

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 8/17

7:13 pm-11:45 am

2 stops31h 32m

Rome Fiumicino

Wed 8/26

2:20 pm-6:19 pm

2 stops36h 59m

$710

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 8/18

5:45 am-1:15 pm

2 stops22h 30m

Rome Fiumicino

Wed 8/26

2:20 pm-6:19 pm

2 stops36h 59m

$711

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 8/18

1:00 pm-4:25 pm

2 stops18h 25m

Rome Fiumicino

Tue 8/25

1:10 pm-11:06 pm

1 stop18h 56m

$723

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sun 8/16

12:35 pm-5:05 pm

2 stops19h 30m

Rome Fiumicino

Thu 8/27

1:10 pm-9:08 pm

1 stop16h 58m

$724

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 8/17

7:00 am-7:35 am

1 stop15h 35m

Rome Fiumicino

Mon 8/24

10:35 am-4:14 pm

2 stops38h 39m

$727

Quickest round-trip

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 8/5

10:25 am-9:05 am

1 stop13h 40m

Madrid Barajas

Wed 9/9

12:40 pm-6:57 pm

1 stop15h 17m

$748

OntarioLisbon

ONT - LIS

ONTLIS

Ontario

Tue 5/5

7:00 am-11:15 am

2 stops20h 15m

Lisbon Humberto Delgado

Tue 5/12

5:00 am-9:48 pm

2 stops24h 48m

$750

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 9/1

2:22 pm-11:45 am

1 stop35h 23m

Athens Eleftherios V.

Wed 9/9

6:55 am-11:06 pm

2 stops26h 11m

$842

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 4/20

7:30 am-9:45 am

1 stop18h 15m

Dublin

Wed 5/6

9:50 am-11:46 pm

2 stops21h 56m

$874

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 50% 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	10h 35m
Direct flights	None

The fastest flight from Ontario to Europe takes 10h 35m

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
American Airlines	PriceFrom $439	Free Cancellation	Rating 7.1 11,546 reviews	Search American Airlines flights
Iberia	PriceFrom $497	Free Cancellation	Rating 7.0 3,165 reviews	Search Iberia flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 7,857 reviews	Search British Airways flights
United Airlines	PriceFrom $515	Free Cancellation	Rating 7.4 9,548 reviews	Search United Airlines flights
Delta	PriceFrom $557	Free Cancellation	Rating 7.9 8,387 reviews	Search Delta flights
KLM	PriceFrom $580	Free Cancellation	Rating 7.7 1,491 reviews	Search KLM 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.