What airlines fly to Europe?

Iberia, British Airways and Delta 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 33% of people opting to fly with this airline when traveling to Europe. Keep in mind that there are 34 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, 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 7 as of December 2025.

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.

$239 Cheap Flights from Ontario to Europe in 2025/26

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Find the cheapest flights from Ontario to Europe

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:45 pm - 6:45 pm

ONT

WAW

17h 00m2 stops

8:50 am - 6:45 pm

WAW

ONT

18h 55m2 stops

$475British Airways

Tue, Jan 27 - Tue, Feb 10

4:45 pm - 6:50 pm

ONT

WAW

17h 05m2 stops

12:45 pm - 10:07 pm

WAW

ONT

42h 22m2 stops

$487British Airways

Wed, Jan 28 - Wed, Feb 11

5:00 am - 11:00 pm

ONT

FCO

33h 00m2 stops

1:05 pm - 8:50 pm

FCO

ONT

40h 45m2 stops

$499United Airlines

Wed, Feb 25 - Tue, Mar 3

6:32 pm - 10:30 pm

ONT

WAW

18h 58m2 stops

9:20 am - 10:53 pm

WAW

ONT

22h 33m2 stops

$500United Airlines

Tue, Jan 13 - Fri, Jan 23

10:25 pm - 6:55 am

ONT

FCO

24h 30m1 stop

6:10 am - 9:04 pm

FCO

ONT

22h 54m2 stops

$508Delta

Sun, Mar 8 - Wed, Mar 18

6:00 am - 7:45 pm

ONT

FCO

28h 45m2 stops

12:40 pm - 12:02 pm

FCO

ONT

32h 22m1 stop

$516Delta

Wed, Feb 25 - Tue, Mar 3

7:10 am - 9:05 am

ONT

CDG

16h 55m1 stop

11:45 am - 10:04 pm

CDG

ONT

19h 19m2 stops

$562American Airlines

Thu, Feb 12 - Thu, Feb 19

12:18 pm - 12:25 am

ONT

IST

26h 07m2 stops

8:20 am - 9:06 pm

IST

ONT

22h 46m2 stops

$575American Airlines

Sun, Apr 5 - Fri, Apr 17

10:58 am - 11:40 am

ONT

LHR

16h 42m1 stop

6:00 am - 10:49 pm

LHR

ONT

24h 49m2 stops

$628Iberia

Tue, Feb 10 - Tue, Feb 17

7:16 am - 5:05 pm

ONT

PMI

24h 49m2 stops

9:40 pm - 10:08 am

PMI

ONT

21h 28m2 stops

$830Iberia

Thu, Jan 22 - Mon, Jan 26

Air Canada flights from Ontario to Europe

Our best Air Canada deals on Ontario to Europe flight tickets

Air Canada

Feb 24

ONT1:45 pmOntario

36h 20m

2 stops

FCO11:05 amRome Fiumicino

Mar 3

FCO1:05 pmRome Fiumicino

40h 45m

2 stops

ONT8:50 pmOntario

$497

Find similar

Air Canada

Jan 13

ONT6:00 amOntario

18h 25m

2 stops

FCO9:25 amRome Fiumicino

Jan 21

FCO11:15 amRome Fiumicino

34h 32m

2 stops

ONT12:47 pmOntario

$519

Find similar

Air Canada

Jan 20

ONT1:24 pmOntario

33h 36m

2 stops

MAD8:00 amMadrid Barajas

Jan 29

MAD1:35 pmMadrid Barajas

40h 23m

2 stops

ONT8:58 pmOntario

$520

Find similar

Delta flights from Ontario to Europe

Our best Delta deals on Ontario to Europe flight tickets

Delta

Mar 8

ONT10:25 pmOntario

24h 30m

1 stop

FCO6:55 amRome Fiumicino

Mar 18

FCO6:10 amRome Fiumicino

22h 54m

2 stops

ONT9:04 pmOntario

$508

Find similar

Delta

Dec 31

ONT7:05 amOntario

19h 40m

2 stops

FCO11:45 amRome Fiumicino

Jan 15

FCO12:45 pmRome Fiumicino

41h 20m

2 stops

ONT9:05 pmOntario

$513

Find similar

Delta

Dec 29

ONT11:10 amOntario

14h 20m

1 stop

FCO10:30 amRome Fiumicino

Jan 16

FCO6:00 amRome Fiumicino

25h 38m

2 stops

ONT10:38 pmOntario

$514

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Tue 1/27

4:45 pm-6:45 pm

2 stops17h 00m

Warsaw Frederic Chopin

Tue 2/10

8:50 am-6:45 pm

2 stops18h 55m

$475

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Wed 1/28

4:45 pm-6:50 pm

2 stops17h 05m

Warsaw Frederic Chopin

Wed 2/11

12:45 pm-10:07 pm

2 stops42h 22m

$487

OntarioRome

ONT - FCO

ONTFCO

Ontario

Wed 2/25

5:00 am-11:00 pm

2 stops33h 00m

Rome Fiumicino

Tue 3/3

1:05 pm-8:50 pm

2 stops40h 45m

$499

OntarioWarsaw

ONT - WAW

ONTWAW

Ontario

Tue 1/13

6:32 pm-10:30 pm

2 stops18h 58m

Warsaw Frederic Chopin

Fri 1/23

9:20 am-10:53 pm

2 stops22h 33m

$500

OntarioRome

ONT - FCO

ONTFCO

Ontario

Sun 3/8

10:25 pm-6:55 am

1 stop24h 30m

Rome Fiumicino

Wed 3/18

6:10 am-9:04 pm

2 stops22h 54m

$508

OntarioRome

ONT - FCO

ONTFCO

Ontario

Wed 2/25

6:00 am-7:45 pm

2 stops28h 45m

Rome Fiumicino

Tue 3/3

12:40 pm-12:02 pm

1 stop32h 22m

$516

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 2/12

7:10 am-9:05 am

1 stop16h 55m

Paris Charles de Gaulle

Thu 2/19

11:45 am-10:04 pm

2 stops19h 19m

$562

OntarioIstanbul

ONT - IST

ONTIST

Ontario

Sun 4/5

12:18 pm-12:25 am

2 stops26h 07m

Istanbul

Fri 4/17

8:20 am-9:06 pm

2 stops22h 46m

$575

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Tue 2/10

10:58 am-11:40 am

1 stop16h 42m

London Heathrow

Tue 2/17

6:00 am-10:49 pm

2 stops24h 49m

$628

OntarioPalma de Mallorca

ONT - PMI

ONTPMI

Ontario

Thu 1/22

7:16 am-5:05 pm

2 stops24h 49m

Palma de Mallorca Son Sant Joan

Mon 1/26

9:40 pm-10:08 am

2 stops21h 28m

$830

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 February. Flight prices, which tend to average around $657, 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 February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $679.

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

The cheapest day to depart from Ontario to Europe is on a Wednesday. Travelers who choose to depart for Europe on a Wednesday will often find tickets for as low as $668. Flights from Ontario to Europe on a Saturday will generally be more expensive and average around $1,112. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Europe is in the evening. momondo users have found flights departing from Ontario to Europe in the evening for as low as $662. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $871. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Europe from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Europe for around $828 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Europe from Ontario for as low as $606 on momondo.

Can stopping save me money on Ontario to Europe flights?

You could potentially save up to 46% 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 31m
Direct flights	None

The fastest flight from Ontario to Europe takes 11h 31m

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

Search flight deals

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 7 as of December 2025.
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
Delta	PriceFrom $444	Free Cancellation	Rating 7.9 8,019 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $469	Free Cancellation	Rating 7.5 677 reviews	Search Virgin Atlantic flights
Iberia	PriceFrom $497	Free Cancellation	Rating 7.0 3,059 reviews	Search Iberia flights
British Airways	PriceFrom $517	Free Cancellation	Rating 6.7 7,616 reviews	Search British Airways flights
United Airlines	PriceFrom $568	Free Cancellation	Rating 7.4 9,113 reviews	Search United Airlines flights
KLM	PriceFrom $580	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights
American Airlines	PriceFrom $595	Free Cancellation	Rating 7.2 11,072 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.