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?

Delta, British Airways, and United Airlines 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.

4:04 pm - 2:00 pm

ONT

KEF

14h 56m

1 stop

10:40 am - 11:49 pm

KEF

ONT

44h 09m

2 stops

$677Multiple Airlines

Sat, May 23 - Wed, May 27

12:04 pm - 9:00 am

ONT

KEF

13h 56m

1 stop

12:45 pm - 11:11 pm

KEF

ONT

17h 26m

1 stop

$694Alaska Airlines

Mon, Jun 1 - Fri, Jun 12

2:00 pm - 3:30 am

ONT

IST

27h 30m

2 stops

6:00 am - 6:01 pm

IST

ONT

22h 01m

2 stops

$706Delta

Tue, Aug 11 - Thu, Aug 20

5:55 pm - 3:30 am

ONT

IST

47h 35m

2 stops

5:20 pm - 9:56 pm

IST

ONT

38h 36m

2 stops

$712Delta

Mon, Aug 17 - Mon, Aug 24

12:39 pm - 12:05 pm

ONT

FCO

14h 26m

1 stop

1:10 pm - 9:12 pm

FCO

ONT

17h 02m

1 stop

$713British Airways

Tue, Aug 4 - Thu, Aug 27

7:13 pm - 11:45 am

ONT

FCO

31h 32m

3 stops

10:00 am - 10:58 pm

FCO

ONT

21h 58m

2 stops

$730United Airlines

Mon, Aug 17 - Tue, Aug 25

12:33 pm - 4:25 pm

ONT

FCO

18h 52m

2 stops

6:55 am - 10:58 pm

FCO

ONT

25h 03m

2 stops

$746British Airways

Tue, Aug 11 - Fri, Aug 21

1:18 pm - 12:20 pm

ONT

FCO

14h 02m

1 stop

2:20 pm - 8:52 pm

FCO

ONT

15h 32m

1 stop

$749United Airlines

Mon, Aug 3 - Wed, Sep 2

10:59 am - 9:45 am

ONT

DUB

14h 46m

1 stop

12:40 pm - 10:40 pm

DUB

ONT

18h 00m

1 stop

$880Iberia

Wed, May 6 - Wed, May 13

2:22 pm - 2:25 pm

ONT

LHR

16h 03m

1 stop

11:30 am - 6:57 pm

LHR

ONT

39h 27m

2 stops

$897Iberia

Tue, Aug 18 - Tue, Sep 1

Iberia flights from Ontario to Europe

Our best Iberia deals on Ontario to Europe flight tickets

Iberia

Oct 3

ONT7:20 amOntario

16h 45m

1 stop

MAD9:05 amMadrid Barajas

Oct 30

MAD7:05 amMadrid Barajas

22h 03m

2 stops

ONT9:08 pmOntario

$836

Iberia

Oct 15

ONT10:25 amOntario

13h 40m

1 stop

MAD9:05 amMadrid Barajas

Oct 20

MAD3:55 pmMadrid Barajas

38h 13m

1 stop

ONT9:08 pmOntario

$848

Iberia

Apr 27

ONT10:59 amOntario

14h 46m

1 stop

DUB9:45 amDublin

May 12

DUB12:40 pmDublin

16h 14m

1 stop

ONT8:54 pmOntario

$882

British Airways flights from Ontario to Europe

Our best British Airways deals on Ontario to Europe flight tickets

British Airways

Aug 4

ONT12:39 pmOntario

14h 26m

1 stop

FCO12:05 pmRome Fiumicino

Aug 27

FCO1:10 pmRome Fiumicino

17h 02m

1 stop

ONT9:12 pmOntario

$713

British Airways

Aug 11

ONT12:33 pmOntario

18h 52m

2 stops

FCO4:25 pmRome Fiumicino

Aug 21

FCO6:55 amRome Fiumicino

25h 03m

2 stops

ONT10:58 pmOntario

$746

British Airways

Aug 18

ONT12:33 pmOntario

14h 32m

1 stop

FCO12:05 pmRome Fiumicino

Sep 1

FCO1:10 pmRome Fiumicino

17h 02m

1 stop

ONT9:12 pmOntario

$750

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Sat 5/23

4:04 pm-2:00 pm

1 stop14h 56m

Reykjavik Keflavik Intl

Wed 5/27

10:40 am-11:49 pm

2 stops44h 09m

$677

OntarioReykjavik

ONT - KEF

ONTKEF

Ontario

Mon 6/1

12:04 pm-9:00 am

1 stop13h 56m

Reykjavik Keflavik Intl

Fri 6/12

12:45 pm-11:11 pm

1 stop17h 26m

$694

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Tue 8/11

2:00 pm-3:30 am

2 stops27h 30m

Istanbul

Thu 8/20

6:00 am-6:01 pm

2 stops22h 01m

$706

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Mon 8/17

5:55 pm-3:30 am

2 stops47h 35m

Istanbul

Mon 8/24

5:20 pm-9:56 pm

2 stops38h 36m

$712

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 8/4

12:39 pm-12:05 pm

1 stop14h 26m

Rome Fiumicino

Thu 8/27

1:10 pm-9:12 pm

1 stop17h 02m

$713

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 8/17

7:13 pm-11:45 am

3 stops31h 32m

Rome Fiumicino

Tue 8/25

10:00 am-10:58 pm

2 stops21h 58m

$730

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 8/11

12:33 pm-4:25 pm

2 stops18h 52m

Rome Fiumicino

Fri 8/21

6:55 am-10:58 pm

2 stops25h 03m

$746

Quickest round-trip

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 8/3

1:18 pm-12:20 pm

1 stop14h 02m

Rome Fiumicino

Wed 9/2

2:20 pm-8:52 pm

1 stop15h 32m

$749

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 5/6

10:59 am-9:45 am

1 stop14h 46m

Dublin

Wed 5/13

12:40 pm-10:40 pm

1 stop18h 00m

$880

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Tue 8/18

2:22 pm-2:25 pm

1 stop16h 03m

London Heathrow

Tue 9/1

11:30 am-6:57 pm

2 stops39h 27m

$897

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 16m
Direct flights	None

The fastest flight from Ontario to Europe takes 11h 16m

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

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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 3,182 reviews	Search Iberia flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 7,892 reviews	Search British Airways flights
United Airlines	PriceFrom $515	Free Cancellation	Rating 7.4 9,605 reviews	Search United Airlines flights
Delta	PriceFrom $557	Free Cancellation	Rating 7.9 8,424 reviews	Search Delta flights
KLM	PriceFrom $580	Free Cancellation	Rating 7.8 1,502 reviews	Search KLM flights
American Airlines	PriceFrom $624	Free Cancellation	Rating 7.1 11,604 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.