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

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

What airlines fly to Greece?

Turkish Airlines, United Airlines and Lufthansa are the top three most popular airlines that fly to Greece from Ontario according to our data. Turkish Airlines is the first choice among our users, with 28% 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.

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 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.

$319 Cheap Flights from Ontario to Greece in 2026

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.

7:05 am - 10:00 am

ONT

ATH

16h 55m

1 stop

9:45 am - 7:53 pm

ATH

ONT

20h 08m

1 stop

$774Delta

Mon, Aug 17 - Wed, Sep 2

7:05 am - 10:00 am

ONT

ATH

16h 55m

1 stop

12:10 pm - 9:52 pm

ATH

ONT

19h 42m

1 stop

$781Delta

Sun, Aug 16 - Fri, Sep 4

7:05 am - 11:00 am

ONT

ATH

17h 55m

1 stop

6:00 am - 4:35 pm

ATH

ONT

20h 35m

2 stops

$785Delta

Wed, Aug 19 - Thu, Sep 10

7:05 am - 11:00 am

ONT

ATH

17h 55m

1 stop

6:00 am - 10:45 pm

ATH

ONT

26h 45m

2 stops

$786Delta

Sun, Aug 23 - Tue, Sep 1

5:00 am - 11:00 am

ONT

ATH

20h 00m

2 stops

1:00 pm - 8:56 pm

ATH

ONT

41h 56m

2 stops

$807Air Canada

Sun, Nov 22 - Tue, Nov 24

6:00 am - 10:05 am

ONT

ATH

18h 05m

2 stops

1:00 pm - 6:29 pm

ATH

ONT

39h 29m

2 stops

$810United Airlines

Tue, Nov 10 - Wed, Nov 18

1:52 pm - 1:25 am

ONT

ATH

25h 33m

2 stops

1:00 pm - 6:29 pm

ATH

ONT

39h 29m

2 stops

$811United Airlines

Sun, Nov 22 - Thu, Nov 26

5:00 am - 11:00 am

ONT

ATH

20h 00m

2 stops

1:00 pm - 12:01 pm

ATH

ONT

33h 01m

2 stops

$818Multiple Airlines

Tue, Nov 24 - Thu, Nov 26

1:52 pm - 8:20 pm

ONT

SKG

20h 28m

2 stops

10:50 am - 10:53 pm

SKG

ONT

21h 03m

2 stops

$1,048SWISS

Fri, Oct 23 - Sun, Oct 25

7:00 am - 12:01 am

ONT

SKG

31h 01m

2 stops

8:10 am - 10:38 pm

SKG

ONT

24h 28m

2 stops

$1,229Multiple Airlines

Mon, Aug 17 - Mon, Aug 24

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British Airways flights from Ontario to Greece

Our best British Airways deals on Ontario to Greece flight tickets

British Airways

Aug 2

ONT7:00 amOntario

18h 45m

1 stop

ATH11:45 amAthens Eleftherios V.

Sep 2

ATH2:00 pmAthens Eleftherios V.

18h 59m

1 stop

ONT10:59 pmOntario

$846

British Airways

Nov 10

ONT2:22 pmOntario

19h 08m

2 stops

ATH7:30 pmAthens Eleftherios V.

Nov 19

ATH7:30 amAthens Eleftherios V.

21h 35m

2 stops

ONT7:05 pmOntario

$865

British Airways

Aug 20

ONT6:00 amOntario

19h 45m

1 stop

ATH11:45 amAthens Eleftherios V.

Aug 28

ATH2:00 pmAthens Eleftherios V.

18h 59m

1 stop

ONT10:59 pmOntario

$902

Iberia flights from Ontario to Greece

Our best Iberia deals on Ontario to Greece flight tickets

Iberia

Sep 23

ONT2:22 pmOntario

24h 18m

2 stops

ATH12:40 amAthens Eleftherios V.

Oct 8

ATH6:55 amAthens Eleftherios V.

26h 57m

2 stops

ONT11:52 pmOntario

$859

Iberia

Aug 30

ONT7:05 amOntario

18h 40m

1 stop

ATH11:45 amAthens Eleftherios V.

Sep 8

ATH2:00 pmAthens Eleftherios V.

18h 59m

1 stop

ONT10:59 pmOntario

$875

Iberia

Aug 1

ONT7:00 amOntario

18h 45m

1 stop

ATH11:45 amAthens Eleftherios V.

Sep 2

ATH2:00 pmAthens Eleftherios V.

18h 59m

1 stop

ONT10:59 pmOntario

$896

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioAthens

ONT - ATH

ONTATH

Ontario

Mon 8/17

7:05 am-10:00 am

1 stop16h 55m

Athens Eleftherios V.

Wed 9/2

9:45 am-7:53 pm

1 stop20h 08m

$774

Quickest round-trip

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sun 8/16

7:05 am-10:00 am

1 stop16h 55m

Athens Eleftherios V.

Fri 9/4

12:10 pm-9:52 pm

1 stop19h 42m

$781

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 8/19

7:05 am-11:00 am

1 stop17h 55m

Athens Eleftherios V.

Thu 9/10

6:00 am-4:35 pm

2 stops20h 35m

$785

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sun 8/23

7:05 am-11:00 am

1 stop17h 55m

Athens Eleftherios V.

Tue 9/1

6:00 am-10:45 pm

2 stops26h 45m

$786

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sun 11/22

5:00 am-11:00 am

2 stops20h 00m

Athens Eleftherios V.

Tue 11/24

1:00 pm-8:56 pm

2 stops41h 56m

$807

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 11/10

6:00 am-10:05 am

2 stops18h 05m

Athens Eleftherios V.

Wed 11/18

1:00 pm-6:29 pm

2 stops39h 29m

$810

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sun 11/22

1:52 pm-1:25 am

2 stops25h 33m

Athens Eleftherios V.

Thu 11/26

1:00 pm-6:29 pm

2 stops39h 29m

$811

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 11/24

5:00 am-11:00 am

2 stops20h 00m

Athens Eleftherios V.

Thu 11/26

1:00 pm-12:01 pm

2 stops33h 01m

$818

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Fri 10/23

1:52 pm-8:20 pm

2 stops20h 28m

Thessaloniki Makedonia

Sun 10/25

10:50 am-10:53 pm

2 stops21h 03m

$1,048

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Mon 8/17

7:00 am-12:01 am

2 stops31h 01m

Thessaloniki Makedonia

Mon 8/24

8:10 am-10:38 pm

2 stops24h 28m

$1,229

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 49% 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 10m
Direct flights	None

The fastest flight from Ontario to Greece takes 16h 10m

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

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Frequently asked questions about flying 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 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.

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.