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Cheap flights from Greece to Los Angeles from $548

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 10/14. 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
6:45 am - 8:01 pm
ATH
-
ONT
23h 16m
2 stops
United Airlines Logo
7:00 am - 10:35 am
ONT
-
ATH
17h 35m
1 stop
$1,063United Airlines
Tue, Aug 18 - Sun, Aug 23
United Airlines Logo
10:25 am - 9:58 pm
ATH
-
ONT
21h 33m
2 stops
United Airlines Logo
6:32 pm - 10:35 am
ONT
-
ATH
30h 03m
2 stops
$1,066United Airlines
Thu, Oct 8 - Mon, Oct 12
United Airlines Logo
12:35 pm - 10:26 pm
ATH
-
ONT
19h 51m
1 stop
United Airlines Logo
5:00 am - 10:35 am
ONT
-
ATH
19h 35m
2 stops
$1,067United Airlines
Thu, Oct 8 - Mon, Oct 12
Air Canada Logo
12:10 pm - 10:37 pm
ATH
-
ONT
44h 27m
2 stops
Air Canada Logo
5:00 am - 10:10 am
ONT
-
ATH
19h 10m
2 stops
$1,068Air Canada
Thu, Jul 2 - Sun, Aug 2
United Airlines Logo
10:25 am - 9:58 pm
ATH
-
ONT
21h 33m
2 stops
United Airlines Logo
1:18 pm - 8:10 am
ONT
-
ATH
32h 52m
2 stops
$1,073United Airlines
Thu, Oct 8 - Mon, Oct 12
United Airlines Logo
12:35 pm - 10:26 pm
ATH
-
ONT
19h 51m
1 stop
United Airlines Logo
7:00 am - 10:35 am
ONT
-
ATH
17h 35m
1 stop
$1,074United Airlines
Thu, Oct 8 - Mon, Oct 12
British Airways Logo
12:00 pm - 10:36 pm
ATH
-
ONT
20h 36m
1 stop
British Airways Logo
7:00 am - 11:45 am
ONT
-
ATH
18h 45m
1 stop
$1,077British Airways
Fri, May 29 - Tue, Jun 2
United Airlines Logo
12:35 pm - 10:51 pm
ATH
-
ONT
20h 16m
1 stop
United Airlines Logo
5:00 am - 10:10 am
ONT
-
ATH
19h 10m
2 stops
$1,078United Airlines
Fri, Jun 5 - Mon, Jul 6
British Airways Logo
12:00 pm - 10:04 pm
ATH
-
ONT
20h 04m
1 stop
British Airways Logo
7:06 am - 11:45 am
ONT
-
ATH
18h 39m
1 stop
$1,088British Airways
Thu, Aug 20 - Sun, Aug 23
United Airlines Logo
1:10 pm - 7:17 pm
ATH
-
ONT
40h 07m
2 stops
United Airlines Logo
5:00 am - 8:10 am
ONT
-
ATH
41h 10m
2 stops
$1,091United Airlines
Wed, Sep 9 - Thu, Sep 24

KLM flights from Greece to Ontario

Our best KLM deals on Greece to Ontario flight tickets
KLM
May 30
ATH9:45 amAthens Eleftherios V.
18h 51m
1 stop
ONT6:36 pmOntario
Jun 4
ONT7:05 amOntario
17h 55m
1 stop
ATH11:00 amAthens Eleftherios V.
$1,105
KLM
Jun 4
ATH9:45 amAthens Eleftherios V.
18h 51m
1 stop
ONT6:36 pmOntario
Jun 11
ONT7:05 amOntario
17h 55m
1 stop
ATH11:00 amAthens Eleftherios V.
$1,112
KLM
Jun 8
ATH9:45 amAthens Eleftherios V.
18h 45m
1 stop
ONT6:30 pmOntario
Jun 22
ONT7:05 amOntario
16h 55m
1 stop
ATH10:00 amAthens Eleftherios V.
$1,141

United Airlines flights from Greece to Ontario

Our best United Airlines deals on Greece to Ontario flight tickets
United Airlines
Aug 18
ATH6:45 amAthens Eleftherios V.
23h 16m
2 stops
ONT8:01 pmOntario
Aug 23
ONT7:00 amOntario
17h 35m
1 stop
ATH10:35 amAthens Eleftherios V.
$1,063
United Airlines
Oct 8
ATH10:25 amAthens Eleftherios V.
21h 33m
2 stops
ONT9:58 pmOntario
Oct 12
ONT6:32 pmOntario
30h 03m
2 stops
ATH10:35 amAthens Eleftherios V.
$1,066
United Airlines
Oct 8
ATH12:35 pmAthens Eleftherios V.
19h 51m
1 stop
ONT10:26 pmOntario
Oct 12
ONT5:00 amOntario
19h 35m
2 stops
ATH10:35 amAthens Eleftherios V.
$1,067

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 May 18, 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

Cheapest round-trip

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 8/18

6:45 am-8:01 pm

2 stops23h 16m

Ontario

Sun 8/23

7:00 am-10:35 am

1 stop17h 35m

$1,063

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 10/8

10:25 am-9:58 pm

2 stops21h 33m

Ontario

Mon 10/12

6:32 pm-10:35 am

2 stops30h 03m

$1,066

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 10/8

12:35 pm-10:26 pm

1 stop19h 51m

Ontario

Mon 10/12

5:00 am-10:35 am

2 stops19h 35m

$1,067

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 7/2

12:10 pm-10:37 pm

2 stops44h 27m

Ontario

Sun 8/2

5:00 am-10:10 am

2 stops19h 10m

$1,068

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 10/8

10:25 am-9:58 pm

2 stops21h 33m

Ontario

Mon 10/12

1:18 pm-8:10 am

2 stops32h 52m

$1,073
Quickest round-trip

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 10/8

12:35 pm-10:26 pm

1 stop19h 51m

Ontario

Mon 10/12

7:00 am-10:35 am

1 stop17h 35m

$1,074

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Fri 5/29

12:00 pm-10:36 pm

1 stop20h 36m

Ontario

Tue 6/2

7:00 am-11:45 am

1 stop18h 45m

$1,077

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Fri 6/5

12:35 pm-10:51 pm

1 stop20h 16m

Ontario

Mon 7/6

5:00 am-10:10 am

2 stops19h 10m

$1,078

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 8/20

12:00 pm-10:04 pm

1 stop20h 04m

Ontario

Sun 8/23

7:06 am-11:45 am

1 stop18h 39m

$1,088

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 9/9

1:10 pm-7:17 pm

2 stops40h 07m

Ontario

Thu 9/24

5:00 am-8:10 am

2 stops41h 10m

$1,091

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 33% 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 16m

Direct flights

None
The fastest flight from Greece to Ontario takes 18h 16m
There are no direct flights from Greece to Ontario. There are no popular flight routes from Greece to Ontario.
Search flight deals

Frequently asked questions about flying from Greece to Ontario

  • 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 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.

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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