What airlines fly to Greece?

Norse Atlantic Airways, Turkish Airlines and United 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 44% 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?

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 January 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.

$242 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.

3:09 pm - 1:05 am

ONT

ATH

23h 56m2 stops

8:20 pm - 10:07 pm

ATH

ONT

35h 47m2 stops

$441British Airways

Wed, Jan 28 - Wed, Feb 11

4:45 pm - 1:35 pm

ONT

ATH

34h 50m2 stops

7:45 am - 10:07 pm

ATH

ONT

24h 22m2 stops

$466British Airways

Fri, Feb 6 - Fri, Feb 13

5:02 pm - 1:05 am

ONT

ATH

23h 03m2 stops

7:25 am - 11:59 pm

ATH

ONT

26h 34m2 stops

$491British Airways

Wed, Mar 18 - Mon, Mar 30

2:39 pm - 1:25 am

ONT

ATH

24h 46m2 stops

7:55 pm - 10:19 pm

ATH

ONT

35h 24m2 stops

$496British Airways

Thu, Mar 5 - Tue, Mar 10

1:53 pm - 1:40 am

ONT

ATH

25h 47m2 stops

6:30 am - 9:59 pm

ATH

ONT

25h 29m2 stops

$502United Airlines

Sat, Feb 21 - Sat, Feb 28

6:00 am - 3:55 pm

ONT

ATH

23h 55m2 stops

8:00 am - 10:13 pm

ATH

ONT

24h 13m3 stops

$510American Airlines

Sun, Feb 1 - Sun, Feb 8

6:09 am - 12:25 am

ONT

ATH

32h 16m2 stops

10:55 am - 5:41 pm

ATH

ONT

39h 46m2 stops

$513United Airlines

Sun, Mar 1 - Sun, Mar 15

6:00 am - 12:50 pm

ONT

SKG

45h 50m2 stops

12:25 pm - 5:13 pm

SKG

ONT

37h 48m2 stops

$856KLM

Sun, Mar 15 - Sun, Mar 22

5:45 pm - 12:50 pm

ONT

SKG

58h 05m2 stops

12:25 pm - 5:13 pm

SKG

ONT

37h 48m2 stops

$907Delta

Sat, Mar 14 - Sun, Mar 22

6:00 am - 12:50 pm

ONT

SKG

45h 50m2 stops

1:40 pm - 9:04 pm

SKG

ONT

40h 24m2 stops

$1,050KLM

Sun, Mar 15 - Fri, Mar 20

Delta flights from Ontario to Greece

Our best Delta deals on Ontario to Greece flight tickets

Delta

Apr 28

ONT5:55 pmOntario

45h 15m

2 stops

ATH1:10 amAthens Eleftherios V.

May 12

ATH9:10 amAthens Eleftherios V.

19h 05m

1 stop

ONT6:15 pmOntario

$564

Delta

Apr 20

ONT10:15 pmOntario

23h 35m

2 stops

ATH7:50 amAthens Eleftherios V.

May 3

ATH9:10 amAthens Eleftherios V.

19h 18m

1 stop

ONT6:28 pmOntario

$659

Delta

Apr 20

ONT11:53 amOntario

27h 17m

2 stops

ATH1:10 amAthens Eleftherios V.

May 3

ATH9:10 amAthens Eleftherios V.

19h 18m

1 stop

ONT6:28 pmOntario

$744

British Airways flights from Ontario to Greece

Our best British Airways deals on Ontario to Greece flight tickets

British Airways

Jan 28

ONT3:09 pmOntario

23h 56m

2 stops

ATH1:05 amAthens Eleftherios V.

Feb 11

ATH8:20 pmAthens Eleftherios V.

35h 47m

2 stops

ONT10:07 pmOntario

$441

British Airways

Feb 6

ONT4:45 pmOntario

34h 50m

2 stops

ATH1:35 pmAthens Eleftherios V.

Feb 13

ATH7:45 amAthens Eleftherios V.

24h 22m

2 stops

ONT10:07 pmOntario

$466

British Airways

Mar 18

ONT5:02 pmOntario

23h 03m

2 stops

ATH1:05 amAthens Eleftherios V.

Mar 30

ATH7:25 amAthens Eleftherios V.

26h 34m

2 stops

ONT11:59 pmOntario

$491

Fly from

Fly to

Route

Depart

Return

Price

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 1/28

3:09 pm-1:05 am

2 stops23h 56m

Athens Eleftherios V.

Wed 2/11

8:20 pm-10:07 pm

2 stops35h 47m

$441

OntarioAthens

ONT - ATH

ONTATH

Ontario

Fri 2/6

4:45 pm-1:35 pm

2 stops34h 50m

Athens Eleftherios V.

Fri 2/13

7:45 am-10:07 pm

2 stops24h 22m

$466

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 3/18

5:02 pm-1:05 am

2 stops23h 03m

Athens Eleftherios V.

Mon 3/30

7:25 am-11:59 pm

2 stops26h 34m

$491

OntarioAthens

ONT - ATH

ONTATH

Ontario

Thu 3/5

2:39 pm-1:25 am

2 stops24h 46m

Athens Eleftherios V.

Tue 3/10

7:55 pm-10:19 pm

2 stops35h 24m

$496

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sat 2/21

1:53 pm-1:40 am

2 stops25h 47m

Athens Eleftherios V.

Sat 2/28

6:30 am-9:59 pm

2 stops25h 29m

$502

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sun 2/1

6:00 am-3:55 pm

2 stops23h 55m

Athens Eleftherios V.

Sun 2/8

8:00 am-10:13 pm

3 stops24h 13m

$510

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sun 3/1

6:09 am-12:25 am

2 stops32h 16m

Athens Eleftherios V.

Sun 3/15

10:55 am-5:41 pm

2 stops39h 46m

$513

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Sun 3/15

6:00 am-12:50 pm

2 stops45h 50m

Thessaloniki Makedonia

Sun 3/22

12:25 pm-5:13 pm

2 stops37h 48m

$856

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Sat 3/14

5:45 pm-12:50 pm

2 stops58h 05m

Thessaloniki Makedonia

Sun 3/22

12:25 pm-5:13 pm

2 stops37h 48m

$907

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Sun 3/15

6:00 am-12:50 pm

2 stops45h 50m

Thessaloniki Makedonia

Fri 3/20

1:40 pm-9:04 pm

2 stops40h 24m

$1,050

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 6% 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	18h 51m
Direct flights	None

The fastest flight from Ontario to Greece takes 18h 51m

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 January 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 $660	Free Cancellation	Rating 7.4 9,139 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.