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 39% of people opting to fly with this airline when traveling to Greece. Keep in mind that there are 20 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?

Air Canada, United Airlines, 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 August 2025, there are 2 operators 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.

$321 Cheap Flights from Ontario to Greece in 2025

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Find the cheapest flights from Ontario to Greece

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 am - 11:35 amONT-ATH

19h 35m2 stops

7:05 am - 10:45 pmATH-ONT

25h 40m2 stops

$506United Airlines

Find Deal

Wed, Nov 12 - Wed, Nov 19

6:00 am - 11:35 amONT-ATH

19h 35m2 stops

6:35 am - 10:31 pmATH-ONT

25h 56m2 stops

$509United Airlines

Find Deal

Wed, Nov 5 - Wed, Nov 26

4:45 pm - 12:50 amONT-ATH

22h 05m2 stops

8:20 pm - 6:35 pmATH-ONT

32h 15m2 stops

$600British Airways

Find Deal

Wed, Sep 24 - Mon, Oct 20

12:53 pm - 7:15 pmONT-ATH

20h 22m2 stops

7:45 am - 11:48 pmATH-ONT

26h 03m2 stops

$636British Airways

Find Deal

Fri, Dec 5 - Fri, Dec 19

8:43 am - 3:15 pmONT-ATH

20h 32m2 stops

7:50 am - 9:57 pmATH-ONT

24h 07m2 stops

$639

Find Deal

Wed, Feb 4 - Wed, Feb 18

10:00 pm - 10:00 amONT-ATH

26h 00m1 stop

6:00 am - 5:00 pmATH-ONT

21h 00m2 stops

$676Delta

Find Deal

Sun, Sep 14 - Thu, Sep 25

11:45 am - 11:15 pmONT-ATH

25h 30m2 stops

3:25 am - 10:40 pmATH-ONT

29h 15m2 stops

$678Delta

Find Deal

Fri, Sep 5 - Mon, Sep 8

4:35 pm - 8:40 pmONT-SKG

18h 05m2 stops

1:40 pm - 10:26 amSKG-ONT

29h 46m2 stops

$714KLM

Find Deal

Wed, Oct 22 - Tue, Oct 28

6:00 am - 12:50 pmONT-SKG

44h 50m2 stops

12:25 pm - 4:14 pmSKG-ONT

37h 49m2 stops

$738KLM

Find Deal

Wed, Nov 12 - Sun, Nov 16

10:47 am - 3:15 pmONT-ATH

18h 28m2 stops

7:35 am - 10:23 pmATH-ONT

24h 48m2 stops

$831

Find Deal

Tue, Nov 11 - Tue, Nov 25

British Airways flights from Ontario to Greece

Our best British Airways deals on Ontario to Greece flight tickets

British Airways

Sep 24

ONT4:45 pmOntario

22h 05m

2 stops

ATH12:50 amAthens Eleftherios V.

Oct 20

ATH8:20 pmAthens Eleftherios V.

32h 15m

2 stops

ONT6:35 pmOntario

$600

Find similar

British Airways

Dec 5

ONT12:53 pmOntario

20h 22m

2 stops

ATH7:15 pmAthens Eleftherios V.

Dec 19

ATH7:45 amAthens Eleftherios V.

26h 03m

2 stops

ONT11:48 pmOntario

$636

Find similar

British Airways

Oct 1

ONT2:54 pmOntario

25h 31m

2 stops

ATH2:25 amAthens Eleftherios V.

Oct 8

ATH8:05 pmAthens Eleftherios V.

35h 44m

2 stops

ONT9:49 pmOntario

$656

Find similar

United Airlines flights from Ontario to Greece

Our best United Airlines deals on Ontario to Greece flight tickets

United Airlines

Nov 12

ONT6:00 amOntario

19h 35m

2 stops

ATH11:35 amAthens Eleftherios V.

Nov 19

ATH7:05 amAthens Eleftherios V.

25h 40m

2 stops

ONT10:45 pmOntario

$506

Find similar

United Airlines

Nov 5

ONT6:00 amOntario

19h 35m

2 stops

ATH11:35 amAthens Eleftherios V.

Nov 26

ATH6:35 amAthens Eleftherios V.

25h 56m

2 stops

ONT10:31 pmOntario

$509

Find similar

United Airlines

Oct 14

ONT1:53 pmOntario

34h 12m

2 stops

ATH10:05 amAthens Eleftherios V.

Oct 21

ATH12:10 pmAthens Eleftherios V.

39h 30m

2 stops

ONT5:40 pmOntario

$524

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 11/12

6:00 am-11:35 am

2 stops19h 35m

Athens Eleftherios V.

Wed 11/19

7:05 am-10:45 pm

2 stops25h 40m

$506

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 11/5

6:00 am-11:35 am

2 stops19h 35m

Athens Eleftherios V.

Wed 11/26

6:35 am-10:31 pm

2 stops25h 56m

$509

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 9/24

4:45 pm-12:50 am

2 stops22h 05m

Athens Eleftherios V.

Mon 10/20

8:20 pm-6:35 pm

2 stops32h 15m

$600

OntarioAthens

ONT - ATH

ONTATH

Ontario

Fri 12/5

12:53 pm-7:15 pm

2 stops20h 22m

Athens Eleftherios V.

Fri 12/19

7:45 am-11:48 pm

2 stops26h 03m

$636

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 2/4

8:43 am-3:15 pm

2 stops20h 32m

Athens Eleftherios V.

Wed 2/18

7:50 am-9:57 pm

2 stops24h 07m

$639

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sun 9/14

10:00 pm-10:00 am

1 stop26h 00m

Athens Eleftherios V.

Thu 9/25

6:00 am-5:00 pm

2 stops21h 00m

$676

OntarioAthens

ONT - ATH

ONTATH

Ontario

Fri 9/5

11:45 am-11:15 pm

2 stops25h 30m

Athens Eleftherios V.

Mon 9/8

3:25 am-10:40 pm

2 stops29h 15m

$678

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Wed 10/22

4:35 pm-8:40 pm

2 stops18h 05m

Thessaloniki Makedonia

Tue 10/28

1:40 pm-10:26 am

2 stops29h 46m

$714

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Wed 11/12

6:00 am-12:50 pm

2 stops44h 50m

Thessaloniki Makedonia

Sun 11/16

12:25 pm-4:14 pm

2 stops37h 49m

$738

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 11/11

10:47 am-3:15 pm

2 stops18h 28m

Athens Eleftherios V.

Tue 11/25

7:35 am-10:23 pm

2 stops24h 48m

$831

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

What is the cheapest month to fly to Greece?

In general, February is the cheapest month to fly from Ontario to Greece. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $601. If you are unable to visit Greece during the month of February, then departing from Ontario during the month October is also very affordable. Most momondo users find prices during this month for around $653.

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

According to our data, Tuesday is the cheapest day to fly to Greece from Ontario. The lowest ticket price found for a Tuesday departure recently was $740. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Ontario to Greece on a Thursday will generally be more expensive and average around $1,240. 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 Greece?

Flying to Greece from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $815 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to Greece, so prices are often more expensive at around $1,089 per ticket.

Can stopping save me money on Ontario to Greece flights?

You could potentially save up to 31% 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

Best Price Found	$321
Fastest flight time	16h 20m
Direct flights	None
Airports in Greece	2 airports

The best one-way flight to Greece from Ontario in the past 72 hours is $321. The best round-trip flight deal from Ontario to Greece found on momondo in the last 72 hours is $506.

The fastest flight from Ontario to Greece takes 16h 20m

There are no direct flights from Ontario to Greece. Popular non-direct routes for this connection are Ontario Airport - Athens Eleftherios V. Airport and Ontario Airport - Thessaloniki Makedonia Airport.

There are 2 airports near Greece: Athens Eleftherios V. (ATH), Thessaloniki Makedonia (SKG)

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 August 2025, there are 2 operators 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 $550	Free Cancellation	Rating 7.4 8,926 reviews		Search United Airlines flights
Delta	PriceFrom $602	Free Cancellation	Rating 8.0 7,986 reviews		Search Delta 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.