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Cheap flights from Greece to Los Angeles from $637

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Greece to Los Angeles departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Greece to Los Angeles

Recent round-trip flight deals from Greece to Los Angeles

Enter your travel dates to find the best prices.
United Airlines Logo
12:35 pm - 10:26 pm
ATH
-
ONT
19h 51m
1 stop
United Airlines Logo
5:00 am - 10:10 am
ONT
-
ATH
19h 10m
2 stops
$961United Airlines
Mon, Aug 17 - Wed, Aug 26
Delta Logo
6:05 am - 5:12 pm
ATH
-
ONT
20h 07m
2 stops
Delta Logo
1:20 pm - 4:35 pm
ONT
-
ATH
18h 15m
2 stops
$969Delta
Fri, Mar 13 - Tue, Mar 17
Delta Logo
2:35 pm - 4:28 pm
ATH
-
ONT
34h 53m
2 stops
Delta Logo
6:00 am - 1:15 am
ONT
-
ATH
33h 15m
2 stops
$988Delta
Thu, Mar 26 - Thu, Apr 2
KLM Logo
5:20 pm - 4:28 pm
ATH
-
ONT
32h 08m
2 stops
KLM Logo
12:57 pm - 11:00 am
ONT
-
ATH
36h 03m
1 stop
$995KLM
Mon, Mar 23 - Wed, Apr 8
KLM Logo
5:25 pm - 4:28 pm
ATH
-
ONT
32h 03m
2 stops
KLM Logo
10:15 pm - 11:00 am
ONT
-
ATH
26h 45m
1 stop
$996KLM
Sun, Mar 15 - Sun, Apr 19
KLM Logo
5:25 pm - 4:28 pm
ATH
-
ONT
32h 03m
2 stops
KLM Logo
5:05 pm - 1:15 am
ONT
-
ATH
22h 10m
2 stops
$998KLM
Sun, Mar 15 - Sun, Apr 19
KLM Logo
9:45 am - 6:01 pm
ATH
-
ONT
18h 16m
1 stop
KLM Logo
7:00 am - 11:00 am
ONT
-
ATH
18h 00m
1 stop
$1,000KLM
Mon, Aug 24 - Mon, Aug 31
KLM Logo
9:45 am - 6:01 pm
ATH
-
ONT
18h 16m
1 stop
KLM Logo
7:00 am - 10:00 am
ONT
-
ATH
17h 00m
1 stop
$1,001KLM
Mon, Aug 17 - Mon, Aug 24
United Airlines Logo
6:45 am - 8:42 pm
ATH
-
ONT
23h 57m
2 stops
United Airlines Logo
6:30 am - 10:35 am
ONT
-
ATH
18h 05m
1 stop
$1,005United Airlines
Wed, Jul 8 - Tue, Jul 14
KLM Logo
1:45 pm - 4:28 pm
ATH
-
ONT
35h 43m
2 stops
KLM Logo
5:09 pm - 1:15 am
ONT
-
ATH
22h 06m
2 stops
$1,009KLM
Mon, Mar 23 - Wed, Apr 8

Delta flights from Greece to Ontario

Our best Delta deals on Greece to Ontario flight tickets
Delta
Mar 13
ATH6:05 amAthens Eleftherios V.
20h 07m
2 stops
ONT5:12 pmOntario
Mar 17
ONT1:20 pmOntario
18h 15m
2 stops
ATH4:35 pmAthens Eleftherios V.
$969
Delta
Mar 26
ATH2:35 pmAthens Eleftherios V.
34h 53m
2 stops
ONT4:28 pmOntario
Apr 2
ONT6:00 amOntario
33h 15m
2 stops
ATH1:15 amAthens Eleftherios V.
$988
Delta
Apr 20
ATH9:45 amAthens Eleftherios V.
18h 48m
1 stop
ONT6:33 pmOntario
May 3
ONT7:05 amOntario
17h 55m
1 stop
ATH11:00 amAthens Eleftherios V.
$1,229

KLM flights from Greece to Ontario

Our best KLM deals on Greece to Ontario flight tickets
KLM
Apr 17
ATH9:45 amAthens Eleftherios V.
18h 48m
1 stop
ONT6:33 pmOntario
Apr 25
ONT7:05 amOntario
17h 55m
1 stop
ATH11:00 amAthens Eleftherios V.
$978
KLM
Mar 23
ATH5:20 pmAthens Eleftherios V.
32h 08m
2 stops
ONT4:28 pmOntario
Apr 8
ONT12:57 pmOntario
36h 03m
1 stop
ATH11:00 amAthens Eleftherios V.
$995
KLM
Mar 15
ATH5:25 pmAthens Eleftherios V.
32h 03m
2 stops
ONT4:28 pmOntario
Apr 19
ONT10:15 pmOntario
26h 45m
1 stop
ATH11:00 amAthens Eleftherios V.
$996

momondo Fare Finder

 
Customize your flight search to find flights from Greece to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 1, 2026.
Use the filters below to find and compare flights from Greece to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 8/17

12:35 pm-10:26 pm

1 stop19h 51m

Ontario

Wed 8/26

5:00 am-10:10 am

2 stops19h 10m

$961

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Fri 3/13

6:05 am-5:12 pm

2 stops20h 07m

Ontario

Tue 3/17

1:20 pm-4:35 pm

2 stops18h 15m

$969

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 3/26

2:35 pm-4:28 pm

2 stops34h 53m

Ontario

Thu 4/2

6:00 am-1:15 am

2 stops33h 15m

$988

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 3/23

5:20 pm-4:28 pm

2 stops32h 08m

Ontario

Wed 4/8

12:57 pm-11:00 am

1 stop36h 03m

$995

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sun 3/15

5:25 pm-4:28 pm

2 stops32h 03m

Ontario

Sun 4/19

10:15 pm-11:00 am

1 stop26h 45m

$996

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sun 3/15

5:25 pm-4:28 pm

2 stops32h 03m

Ontario

Sun 4/19

5:05 pm-1:15 am

2 stops22h 10m

$998

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 8/24

9:45 am-6:01 pm

1 stop18h 16m

Ontario

Mon 8/31

7:00 am-11:00 am

1 stop18h 00m

$1,000

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 8/17

9:45 am-6:01 pm

1 stop18h 16m

Ontario

Mon 8/24

7:00 am-10:00 am

1 stop17h 00m

$1,001

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 7/8

6:45 am-8:42 pm

2 stops23h 57m

Ontario

Tue 7/14

6:30 am-10:35 am

1 stop18h 05m

$1,005

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 3/23

1:45 pm-4:28 pm

2 stops35h 43m

Ontario

Wed 4/8

5:09 pm-1:15 am

2 stops22h 06m

$1,009

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

Can stopping save me money on Greece to Ontario flights?

You could potentially save up to 16% 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

Fastest flight time

18h 14m

Direct flights

None
The fastest flight from Greece to Ontario takes 18h 14m
There are no direct flights from Greece to Ontario. There are no popular flight routes from Greece to Ontario.
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?

  • 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 AirlinesPriceFrom $913Free CancellationRating
7.4
9,370 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.

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