What airlines fly to Europe?

Iberia, British Airways and Scandinavian Airlines are the top three most popular airlines that fly to Europe from Ontario according to our data. Iberia 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?

British Airways, United Airlines, and KLM 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 June 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.

$319 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.

9:55 am - 5:55 pm

ONT

IST

22h 00m

2 stops

7:15 am - 11:48 pm

IST

ONT

27h 33m

2 stops

$704Delta

mié., oct. 28 - vie., nov. 6

9:55 am - 5:55 pm

ONT

IST

21h 00m

2 stops

7:15 am - 6:18 pm

IST

ONT

22h 03m

2 stops

$705Delta

mié., nov. 4 - vie., nov. 13

1:50 pm - 1:40 pm

ONT

FCO

14h 50m

1 stop

11:30 am - 10:35 pm

FCO

ONT

44h 05m

2 stops

$707United Airlines

lun., ago. 10 - mar., ago. 25

1:18 pm - 12:20 pm

ONT

FCO

14h 02m

1 stop

2:20 pm - 8:53 pm

FCO

ONT

15h 33m

1 stop

$719United Airlines

dom., ago. 9 - vie., ago. 21

6:00 am - 12:05 pm

ONT

FCO

21h 05m

1 stop

1:10 pm - 9:34 am

FCO

ONT

29h 24m

1 stop

$725British Airways

dom., ago. 9 - mar., ago. 25

6:00 am - 12:05 pm

ONT

FCO

21h 05m

1 stop

1:10 pm - 10:58 pm

FCO

ONT

18h 48m

1 stop

$727British Airways

dom., ago. 16 - mié., ago. 26

7:05 am - 11:00 am

ONT

ATH

17h 55m

1 stop

9:45 am - 6:18 pm

ATH

ONT

18h 33m

1 stop

$814KLM

dom., sep. 27 - vie., oct. 23

8:25 am - 10:10 am

ONT

BCN

16h 45m

1 stop

1:30 pm - 11:06 pm

BCN

ONT

18h 36m

1 stop

$873Iberia

mar., sep. 22 - mar., oct. 6

12:00 pm - 12:15 pm

ONT

MAD

15h 15m

1 stop

9:50 am - 6:29 pm

MAD

ONT

17h 39m

1 stop

$906KLM

lun., ago. 10 - vie., ago. 21

10:25 am - 10:10 am

ONT

BCN

14h 45m

1 stop

1:30 pm - 9:08 pm

BCN

ONT

16h 38m

1 stop

$911Iberia

mié., sep. 23 - mar., oct. 6

British Airways flights from Ontario to Europe

Our best British Airways deals on Ontario to Europe flight tickets

British Airways

Aug 9

ONT6:00 amOntario

21h 05m

1 stop

FCO12:05 pmRome Fiumicino

Aug 25

FCO1:10 pmRome Fiumicino

29h 24m

1 stop

ONT9:34 amOntario

$725

British Airways

Aug 16

ONT6:00 amOntario

21h 05m

1 stop

FCO12:05 pmRome Fiumicino

Aug 26

FCO1:10 pmRome Fiumicino

18h 48m

1 stop

ONT10:58 pmOntario

$727

British Airways

Aug 10

ONT10:29 amOntario

16h 36m

1 stop

FCO12:05 pmRome Fiumicino

Aug 25

FCO1:10 pmRome Fiumicino

29h 24m

1 stop

ONT9:34 amOntario

$733

American Airlines flights from Ontario to Europe

Our best American Airlines deals on Ontario to Europe flight tickets

American Airlines

Aug 14

ONT6:15 amOntario

17h 50m

2 stops

BCN9:05 amBarcelona-El Prat

Aug 27

BCN10:30 amBarcelona-El Prat

21h 29m

2 stops

ONT10:59 pmOntario

$1,039

American Airlines

Jun 13

ONT10:00 pmOntario

22h 30m

1 stop

MAD5:30 amMadrid Barajas

Jun 26

MAD12:40 pmMadrid Barajas

18h 17m

2 stops

ONT9:57 pmOntario

$1,718

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioIstanbul

ONT - IST

ONTIST

Ontario

mié. 10/28

9:55 am-5:55 pm

2 stops22h 00m

Istanbul

vie. 11/6

7:15 am-11:48 pm

2 stops27h 33m

$704

OntarioIstanbul

ONT - IST

ONTIST

Ontario

mié. 11/4

9:55 am-5:55 pm

2 stops21h 00m

Istanbul

vie. 11/13

7:15 am-6:18 pm

2 stops22h 03m

$705

OntarioRome

ONT - FCO

ONTFCO

Ontario

lun. 8/10

1:50 pm-1:40 pm

1 stop14h 50m

Rome Fiumicino

mar. 8/25

11:30 am-10:35 pm

2 stops44h 05m

$707

Quickest round-trip

OntarioRome

ONT - FCO

ONTFCO

Ontario

dom. 8/9

1:18 pm-12:20 pm

1 stop14h 02m

Rome Fiumicino

vie. 8/21

2:20 pm-8:53 pm

1 stop15h 33m

$719

OntarioRome

ONT - FCO

ONTFCO

Ontario

dom. 8/9

6:00 am-12:05 pm

1 stop21h 05m

Rome Fiumicino

mar. 8/25

1:10 pm-9:34 am

1 stop29h 24m

$725

OntarioRome

ONT - FCO

ONTFCO

Ontario

dom. 8/16

6:00 am-12:05 pm

1 stop21h 05m

Rome Fiumicino

mié. 8/26

1:10 pm-10:58 pm

1 stop18h 48m

$727

OntarioAthens

ONT - ATH

ONTATH

Ontario

dom. 9/27

7:05 am-11:00 am

1 stop17h 55m

Athens Eleftherios V.

vie. 10/23

9:45 am-6:18 pm

1 stop18h 33m

$814

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

mar. 9/22

8:25 am-10:10 am

1 stop16h 45m

Barcelona-El Prat

mar. 10/6

1:30 pm-11:06 pm

1 stop18h 36m

$873

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

lun. 8/10

12:00 pm-12:15 pm

1 stop15h 15m

Madrid Barajas

vie. 8/21

9:50 am-6:29 pm

1 stop17h 39m

$906

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

mié. 9/23

10:25 am-10:10 am

1 stop14h 45m

Barcelona-El Prat

mar. 10/6

1:30 pm-9:08 pm

1 stop16h 38m

$911

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 September. Flight prices, which tend to average around $251, 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 September, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $282.

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	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 June 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 3,222 reviews	Search Iberia flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 8,026 reviews	Search British Airways flights
United Airlines	PriceFrom $515	Free Cancellation	Rating 7.4 9,773 reviews	Search United Airlines flights
Delta	PriceFrom $557	Free Cancellation	Rating 7.9 8,397 reviews	Search Delta flights
KLM	PriceFrom $580	Free Cancellation	Rating 7.8 1,524 reviews	Search KLM flights
American Airlines	PriceFrom $620	Free Cancellation	Rating 7.1 11,641 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.