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

Air Serbia, British Airways, and American Airlines are the most popular carriers operating from Greece to Ontario

How long does it take to fly to Ontario?

Average flight duration from Greece to Ontario depends on which airport you fly into and out of. Flying from Athens to Los Angeles is 13h 30m on average, while flying from Thessaloniki to Los Angeles is 20h 25m on average. Los Angeles is the most popular airport in Ontario.

What airlines fly to Ontario?

Turkish Airlines, Norse Atlantic Airways and British Airways are the top three most popular airlines that fly to Ontario from Greece according to our data. Turkish Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 10 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of operators available for flights from Greece to Ontario Airport is 1 as of August 2025.

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

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 Greece to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport 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.

$718 Cheap Flights from Greece to Ontario in 2025

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Find the cheapest flights from Greece to Los Angeles

Round-trip

One-way

Last minute

Recent round-trip flight deals from Greece to Los Angeles

10:25 am - 10:30 pmATH-ONT

22h 05m2 stops

7:00 am - 10:30 amONT-ATH

17h 30m1 stop

$860United Airlines

Find Deal

Tue, Sep 16 - Mon, Sep 22

12:35 pm - 10:30 pmATH-ONT

19h 55m1 stop

6:04 am - 2:00 pmONT-ATH

21h 56m2 stops

$862United Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 24

7:55 am - 6:24 pmATH-ONT

20h 29m2 stops

2:54 pm - 9:15 amONT-ATH

32h 21m2 stops

$872American Airlines

Find Deal

Tue, Sep 2 - Sat, Sep 6

7:05 am - 10:51 pmATH-ONT

24h 46m2 stops

6:00 am - 11:35 amONT-ATH

19h 35m2 stops

$894United Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 12

1:40 pm - 4:08 pmATH-ONT

36h 28m2 stops

11:45 am - 10:00 amONT-ATH

36h 15m1 stop

$954Delta

Find Deal

Tue, Sep 2 - Sat, Sep 6

9:10 am - 10:35 amATH-ONT

35h 25m1 stop

11:45 am - 10:55 amONT-ATH

37h 10m1 stop

$956Delta

Find Deal

Tue, Sep 2 - Sat, Sep 6

8:25 pm - 6:54 pmATH-ONT

32h 29m2 stops

10:53 am - 4:30 pmONT-ATH

19h 37m2 stops

$965

Find Deal

Mon, Sep 15 - Mon, Sep 22

10:15 am - 7:11 pmATH-ONT

18h 56m1 stop

7:05 am - 10:00 amONT-ATH

16h 55m1 stop

$1,066KLM

Find Deal

Wed, Sep 10 - Mon, Sep 15

8:45 pm - 6:47 pmATH-ONT

32h 02m2 stops

2:54 pm - 12:40 amONT-ATH

23h 46m2 stops

$1,162

Find Deal

Mon, Sep 1 - Fri, Sep 5

6:00 am - 7:11 pmATH-ONT

23h 11m2 stops

7:05 am - 10:00 amONT-ATH

16h 55m1 stop

$1,341KLM

Find Deal

Mon, Sep 1 - Fri, Sep 5

Delta flights from Greece to Ontario

Our best Delta deals on Greece to Ontario flight tickets

Delta

Sep 2

ATH1:40 pmAthens Eleftherios V.

36h 28m

2 stops

ONT4:08 pmOntario

Sep 6

ONT11:45 amOntario

36h 15m

1 stop

ATH10:00 amAthens Eleftherios V.

$954

Find similar

Delta

Sep 2

ATH9:10 amAthens Eleftherios V.

35h 25m

1 stop

ONT10:35 amOntario

Sep 6

ONT11:45 amOntario

37h 10m

1 stop

ATH10:55 amAthens Eleftherios V.

$956

Find similar

Delta

Sep 3

ATH9:10 amAthens Eleftherios V.

20h 01m

1 stop

ONT7:11 pmOntario

Sep 7

ONT7:05 amOntario

16h 55m

1 stop

ATH10:00 amAthens Eleftherios V.

$999

Find similar

Qatar Airways flights from Greece to Ontario

Our best Qatar Airways deals on Greece to Ontario flight tickets

Qatar Airways

Aug 30

ATH8:00 pmAthens Eleftherios V.

27h 41m

2 stops

ONT1:41 pmOntario

Sep 30

ONT2:54 pmOntario

30h 06m

2 stops

ATH7:00 amAthens Eleftherios V.

$2,488

Find similar

Qatar Airways

Aug 29

ATH8:00 pmAthens Eleftherios V.

27h 39m

2 stops

ONT1:39 pmOntario

Sep 27

ONT2:54 pmOntario

30h 06m

2 stops

ATH7:00 amAthens Eleftherios V.

$2,526

Find similar

Qatar Airways

Aug 24

ATH2:00 pmAthens Eleftherios V.

33h 39m

2 stops

ONT1:39 pmOntario

Aug 29

ONT10:50 amOntario

39h 45m

2 stops

ATH12:35 pmAthens Eleftherios V.

$2,786

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 9/16

10:25 am-10:30 pm

2 stops22h 05m

Ontario

Mon 9/22

7:00 am-10:30 am

1 stop17h 30m

$860

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 9/10

12:35 pm-10:30 pm

1 stop19h 55m

Ontario

Wed 9/24

6:04 am-2:00 pm

2 stops21h 56m

$862

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 9/2

7:55 am-6:24 pm

2 stops20h 29m

Ontario

Sat 9/6

2:54 pm-9:15 am

2 stops32h 21m

$872

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 10/29

7:05 am-10:51 pm

2 stops24h 46m

Ontario

Wed 11/12

6:00 am-11:35 am

2 stops19h 35m

$894

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 9/2

1:40 pm-4:08 pm

2 stops36h 28m

Ontario

Sat 9/6

11:45 am-10:00 am

1 stop36h 15m

$954

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 9/2

9:10 am-10:35 am

1 stop35h 25m

Ontario

Sat 9/6

11:45 am-10:55 am

1 stop37h 10m

$956

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 9/15

8:25 pm-6:54 pm

2 stops32h 29m

Ontario

Mon 9/22

10:53 am-4:30 pm

2 stops19h 37m

$965

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 9/10

10:15 am-7:11 pm

1 stop18h 56m

Ontario

Mon 9/15

7:05 am-10:00 am

1 stop16h 55m

$1,066

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 9/1

8:45 pm-6:47 pm

2 stops32h 02m

Ontario

Fri 9/5

2:54 pm-12:40 am

2 stops23h 46m

$1,162

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 9/1

6:00 am-7:11 pm

2 stops23h 11m

Ontario

Fri 9/5

7:05 am-10:00 am

1 stop16h 55m

$1,341

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 Greece to Ontario

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

Other information

Can stopping save me money on Greece to Ontario flights?

You could potentially save up to 4% on your flight if you consider stops on a Greece to Ontario flight.

Cheap Greece to Ontario flight deals and tips

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

Best Price Found	$718
Fastest flight time	18h 45m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Greece in the past 72 hours is $718. The best round-trip flight deal from Greece to Ontario found on momondo in the last 72 hours is $860.

The fastest flight from Greece to Ontario takes 18h 45m

There are no direct flights from Greece to Ontario. Popular non-direct route for this connection is Athens Eleftherios V. Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

Search flight deals

When did momondo last update prices for flights from Greece to Ontario Airport?
Prices for flights from Greece to Ontario Airport were last updated today.
How many operators does momondo search for flights from Greece to Ontario Airport?
The number of operators available for flights from Greece to Ontario Airport is 1 as of August 2025.
How old do you have to be to fly from Greece to Ontario Airport?
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 Greece to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport 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 Greece to Ontario

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $913	Free Cancellation	Rating 7.4 8,925 reviews		Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Greece to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

All flight searches from Greece to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Greece to Ontario.

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

Price alerts on flights to Ontario from Greece 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.