What airlines fly to Greece?

Norse Atlantic Airways, United Airlines and Turkish Airlines are the top three most popular airlines that fly to Greece from Ontario according to our data. Norse Atlantic Airways is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Greece. Keep in mind that there are 19 different airlines that fly to Greece on a routine basis, so you have a few additional options to choose from.

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

United Airlines, British Airways, and KLM are the most popular carriers operating from Ontario to Greece

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

Prices for flights from Ontario Airport to Greece were last updated today.

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

As of February 2026, there is 1 operator available to choose from for flights from Ontario Airport to Greece.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Greece.

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

The necessary travel and health documents for your Greece trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$257 Cheap Flights from Ontario to Greece in 2026

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Find the cheapest flights from Ontario to Greece

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 10:10 am

ONT

ATH

19h 10m

2 stops

12:35 pm - 10:26 pm

ATH

ONT

19h 51m

1 stop

$590United Airlines

Wed, Aug 19 - Thu, Sep 3

6:37 pm - 10:10 am

ONT

ATH

54h 33m

2 stops

6:00 am - 12:38 pm

ATH

ONT

40h 38m

2 stops

$620United Airlines

Sat, Mar 21 - Fri, Apr 3

12:57 pm - 11:00 am

ONT

ATH

36h 03m

1 stop

6:00 am - 5:15 pm

ATH

ONT

21h 15m

2 stops

$624Multiple Airlines

Mon, Apr 6 - Tue, Apr 21

6:37 pm - 10:40 am

ONT

ATH

31h 03m

2 stops

6:00 am - 12:38 pm

ATH

ONT

40h 38m

2 stops

$636United Airlines

Sat, Mar 21 - Fri, Apr 3

6:37 pm - 10:40 am

ONT

ATH

31h 03m

2 stops

6:00 am - 5:47 pm

ATH

ONT

45h 47m

3 stops

$641United Airlines

Sat, Mar 21 - Fri, Apr 3

7:00 am - 10:35 am

ONT

ATH

17h 35m

1 stop

12:35 pm - 10:26 pm

ATH

ONT

19h 51m

1 stop

$655United Airlines

Wed, Aug 19 - Wed, Sep 2

4:52 pm - 2:10 am

ONT

ATH

23h 18m

2 stops

7:00 pm - 9:59 pm

ATH

ONT

36h 59m

2 stops

$666British Airways

Tue, Apr 14 - Wed, Apr 22

4:52 pm - 2:10 am

ONT

ATH

23h 18m

2 stops

8:00 pm - 4:22 pm

ATH

ONT

30h 22m

2 stops

$667British Airways

Tue, Apr 14 - Tue, Apr 28

11:59 pm - 8:25 pm

ONT

SKG

34h 26m

2 stops

9:15 pm - 10:40 pm

SKG

ONT

35h 25m

2 stops

$1,058Multiple Airlines

Sun, Aug 16 - Sun, Aug 23

11:25 pm - 8:25 pm

ONT

SKG

35h 00m

2 stops

9:15 pm - 10:09 pm

SKG

ONT

34h 54m

2 stops

$5,351Turkish Airlines

Sat, May 30 - Tue, Jun 9

British Airways flights from Ontario to Greece

Our best British Airways deals on Ontario to Greece flight tickets

British Airways

Apr 14

ONT4:52 pmOntario

23h 18m

2 stops

ATH2:10 amAthens Eleftherios V.

Apr 22

ATH7:00 pmAthens Eleftherios V.

36h 59m

2 stops

ONT9:59 pmOntario

$666

British Airways

Apr 14

ONT4:52 pmOntario

23h 18m

2 stops

ATH2:10 amAthens Eleftherios V.

Apr 28

ATH8:00 pmAthens Eleftherios V.

30h 22m

2 stops

ONT4:22 pmOntario

$667

British Airways

Apr 14

ONT4:52 pmOntario

23h 18m

2 stops

ATH2:10 amAthens Eleftherios V.

Apr 21

ATH8:00 pmAthens Eleftherios V.

54h 22m

2 stops

ONT4:22 pmOntario

$671

United Airlines flights from Ontario to Greece

Our best United Airlines deals on Ontario to Greece flight tickets

United Airlines

Aug 19

ONT5:00 amOntario

19h 10m

2 stops

ATH10:10 amAthens Eleftherios V.

Sep 2

ATH12:35 pmAthens Eleftherios V.

19h 51m

1 stop

ONT10:26 pmOntario

$590

United Airlines

Mar 21

ONT6:37 pmOntario

54h 33m

2 stops

ATH10:10 amAthens Eleftherios V.

Apr 3

ATH6:00 amAthens Eleftherios V.

40h 38m

2 stops

ONT12:38 pmOntario

$620

United Airlines

Mar 21

ONT6:37 pmOntario

31h 03m

2 stops

ATH10:40 amAthens Eleftherios V.

Apr 3

ATH6:00 amAthens Eleftherios V.

40h 38m

2 stops

ONT12:38 pmOntario

$636

Fly from

Fly to

Route

Depart

Return

Price

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 8/19

5:00 am-10:10 am

2 stops19h 10m

Athens Eleftherios V.

Thu 9/3

12:35 pm-10:26 pm

1 stop19h 51m

$590

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sat 3/21

6:37 pm-10:10 am

2 stops54h 33m

Athens Eleftherios V.

Fri 4/3

6:00 am-12:38 pm

2 stops40h 38m

$620

OntarioAthens

ONT - ATH

ONTATH

Ontario

Mon 4/6

12:57 pm-11:00 am

1 stop36h 03m

Athens Eleftherios V.

Tue 4/21

6:00 am-5:15 pm

2 stops21h 15m

$624

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sat 3/21

6:37 pm-10:40 am

2 stops31h 03m

Athens Eleftherios V.

Fri 4/3

6:00 am-12:38 pm

2 stops40h 38m

$636

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sat 3/21

6:37 pm-10:40 am

2 stops31h 03m

Athens Eleftherios V.

Fri 4/3

6:00 am-5:47 pm

3 stops45h 47m

$641

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 8/19

7:00 am-10:35 am

1 stop17h 35m

Athens Eleftherios V.

Wed 9/2

12:35 pm-10:26 pm

1 stop19h 51m

$655

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 4/14

4:52 pm-2:10 am

2 stops23h 18m

Athens Eleftherios V.

Wed 4/22

7:00 pm-9:59 pm

2 stops36h 59m

$666

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 4/14

4:52 pm-2:10 am

2 stops23h 18m

Athens Eleftherios V.

Tue 4/28

8:00 pm-4:22 pm

2 stops30h 22m

$667

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Sun 8/16

11:59 pm-8:25 pm

2 stops34h 26m

Thessaloniki Makedonia

Sun 8/23

9:15 pm-10:40 pm

2 stops35h 25m

$1,058

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Sat 5/30

11:25 pm-8:25 pm

2 stops35h 00m

Thessaloniki Makedonia

Tue 6/9

9:15 pm-10:09 pm

2 stops34h 54m

$5,351

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 Greece

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

Can stopping save me money on Ontario to Greece flights?

You could potentially save up to 52% on your flight if you consider stops on a Ontario to Greece flight.

Cheap Ontario to Greece flight deals and tips

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

Fastest flight time	16h 15m
Direct flights	None

The fastest flight from Ontario to Greece takes 16h 15m

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

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Greece?
Prices for flights from Ontario Airport to Greece were last updated today.
How many operators does momondo search for flights from Ontario Airport to Greece?
As of February 2026, there is 1 operator available to choose from for flights from Ontario Airport to Greece.
How old do you have to be to fly from Ontario Airport to Greece?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Greece.
What documentation or ID do you need to fly to Greece?
The necessary travel and health documents for your Greece trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ontario to Greece

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $603	Free Cancellation	Rating 7.4 9,342 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Greece from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Greece quick and easy, saving you time and money.

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

Yes. All flights to Greece from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Greece from Ontario.

I’m not ready to book a flight from Ontario to Greece right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Greece flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.