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Cheap flights from Athens to Los Angeles from $536

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Athens to Los Angeles departing on 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Athens to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:45 am - 6:11 pm
ATH
-
ONT
21h 26m
2 stops
United Airlines Logo
7:00 am - 10:35 am
ONT
-
ATH
17h 35m
1 stop
$1,063United Airlines
lun., ago. 31 - sáb., sep. 19
United Airlines Logo
6:35 am - 8:52 pm
ATH
-
ONT
24h 17m
2 stops
United Airlines Logo
5:00 am - 10:10 am
ONT
-
ATH
19h 10m
2 stops
$1,064United Airlines
jue., ago. 27 - mar., sep. 1
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
$1,077United Airlines
mié., jul. 15 - mié., jul. 22
Multiple Airlines Logo
12:10 pm - 9:55 pm
ATH
-
ONT
19h 45m
2 stops
Multiple Airlines Logo
6:30 am - 10:10 am
ONT
-
ATH
17h 40m
2 stops
$1,082Multiple Airlines
mié., jul. 8 - dom., jul. 12
Multiple Airlines Logo
12:00 pm - 10:04 pm
ATH
-
ONT
20h 04m
1 stop
Multiple Airlines Logo
5:00 am - 10:10 am
ONT
-
ATH
19h 10m
2 stops
$1,085Multiple Airlines
jue., ago. 27 - mar., sep. 1
Multiple Airlines Logo
12:10 pm - 9:55 pm
ATH
-
ONT
19h 45m
2 stops
Multiple Airlines Logo
6:30 am - 10:10 am
ONT
-
ATH
17h 40m
2 stops
$1,089Multiple Airlines
mié., jul. 15 - mié., jul. 22
British Airways Logo
2:00 pm - 10:58 pm
ATH
-
ONT
18h 58m
1 stop
British Airways Logo
7:06 am - 11:45 am
ONT
-
ATH
18h 39m
1 stop
$1,095British Airways
mié., ago. 5 - dom., ago. 16
United Airlines Logo
6:35 am - 10:37 pm
ATH
-
ONT
26h 02m
2 stops
United Airlines Logo
6:30 pm - 10:55 am
ONT
-
ATH
54h 25m
2 stops
$1,096United Airlines
jue., jun. 11 - mié., jun. 24
Multiple Airlines Logo
9:45 am - 6:01 pm
ATH
-
ONT
18h 16m
1 stop
Multiple Airlines Logo
7:00 am - 10:00 am
ONT
-
ATH
17h 00m
1 stop
$1,098Multiple Airlines
mié., sep. 2 - jue., sep. 17
United Airlines Logo
6:35 am - 8:42 pm
ATH
-
ONT
24h 07m
2 stops
United Airlines Logo
7:13 pm - 10:00 am
ONT
-
ATH
28h 47m
2 stops
$1,104United Airlines
jue., ago. 6 - jue., ago. 27

British Airways flights from Athens to Ontario

Our best British Airways deals on Athens to Ontario flight tickets
British Airways
Aug 5
ATH2:00 pmAthens Eleftherios V.
18h 58m
1 stop
ONT10:58 pmOntario
Aug 16
ONT7:06 amOntario
18h 39m
1 stop
ATH11:45 amAthens Eleftherios V.
$1,095
British Airways
Aug 6
ATH2:05 pmAthens Eleftherios V.
18h 53m
1 stop
ONT10:58 pmOntario
Aug 27
ONT7:06 amOntario
21h 14m
2 stops
ATH2:20 pmAthens Eleftherios V.
$1,122
British Airways
Aug 6
ATH2:05 pmAthens Eleftherios V.
18h 53m
1 stop
ONT10:58 pmOntario
Aug 27
ONT11:59 pmOntario
25h 46m
1 stop
ATH11:45 amAthens Eleftherios V.
$1,131

Delta flights from Athens to Ontario

Our best Delta deals on Athens to Ontario flight tickets
Delta
May 26
ATH6:00 amAthens Eleftherios V.
26h 34m
2 stops
ONT10:34 pmOntario
May 31
ONT10:00 pmOntario
27h 00m
1 stop
ATH11:00 amAthens Eleftherios V.
$1,120
Delta
May 8
ATH9:45 amAthens Eleftherios V.
18h 51m
1 stop
ONT6:36 pmOntario
May 24
ONT7:05 amOntario
17h 55m
1 stop
ATH11:00 amAthens Eleftherios V.
$1,241
Delta
May 8
ATH12:10 pmAthens Eleftherios V.
19h 38m
1 stop
ONT9:48 pmOntario
May 24
ONT7:05 amOntario
17h 55m
1 stop
ATH11:00 amAthens Eleftherios V.
$1,242

momondo Fare Finder

 
Customize your flight search to find flights from Athens 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 abril 30, 2026.
Use the filters below to find and compare flights from Athens 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.

lun. 8/31

6:45 am-6:11 pm

2 stops21h 26m

Ontario

sáb. 9/19

7:00 am-10:35 am

1 stop17h 35m

$1,063

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

jue. 8/27

6:35 am-8:52 pm

2 stops24h 17m

Ontario

mar. 9/1

5:00 am-10:10 am

2 stops19h 10m

$1,064

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

mié. 7/15

12:35 pm-10:51 pm

1 stop20h 16m

Ontario

mié. 7/22

5:00 am-10:10 am

2 stops19h 10m

$1,077

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

mié. 7/8

12:10 pm-9:55 pm

2 stops19h 45m

Ontario

dom. 7/12

6:30 am-10:10 am

2 stops17h 40m

$1,082

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

jue. 8/27

12:00 pm-10:04 pm

1 stop20h 04m

Ontario

mar. 9/1

5:00 am-10:10 am

2 stops19h 10m

$1,085

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

mié. 7/15

12:10 pm-9:55 pm

2 stops19h 45m

Ontario

mié. 7/22

6:30 am-10:10 am

2 stops17h 40m

$1,089

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

mié. 8/5

2:00 pm-10:58 pm

1 stop18h 58m

Ontario

dom. 8/16

7:06 am-11:45 am

1 stop18h 39m

$1,095

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

jue. 6/11

6:35 am-10:37 pm

2 stops26h 02m

Ontario

mié. 6/24

6:30 pm-10:55 am

2 stops54h 25m

$1,096
Quickest round-trip

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

mié. 9/2

9:45 am-6:01 pm

1 stop18h 16m

Ontario

jue. 9/17

7:00 am-10:00 am

1 stop17h 00m

$1,098

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

jue. 8/6

6:35 am-8:42 pm

2 stops24h 07m

Ontario

jue. 8/27

7:13 pm-10:00 am

2 stops28h 47m

$1,104

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 Athens 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 Athens to Ontario flights?

You could potentially save up to 33% on your flight if you consider stops on a Athens to Ontario flight.

When to book flights from Athens to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Athens to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Athens to Ontario (ATH to ONT) flight deals and tips

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

Fastest flight time

18h 51m

Direct flights

None
The fastest flight from Athens to Ontario takes 18h 51m
There are no direct flights from Athens to Ontario. There are no popular flight routes from Athens to Ontario.
Search flight deals

Frequently asked questions about flying from Athens to Ontario

  • How far is Athens Eleftherios V. to Ontario by plane?

    A flight from Athens Eleftherios V. to Ontario will travel around 6871.5 mi. Flights usually cover this in 18h 51m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Athens Eleftherios V. Airport to Ontario Airport?

    Prices for flights from Athens Eleftherios V. Airport to Ontario Airport were last updated today.

  • How old do you have to be to fly from Athens Eleftherios V. Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Athens Eleftherios V. Airport to Ontario Airport.

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

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek 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 Athens to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Athens to Ontario for you.

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

Yes. momondo allows you to filter the results for Athens to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search for Athens to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Athens to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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