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Cheap flights from St. Louis to Athens from $311

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Athens departing on 8/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Athens

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:15 pm - 11:00 am
STL
-
ATH
34h 45m
1 stop
Multiple Airlines Logo
6:40 am - 1:45 pm
ATH
-
STL
15h 05m
1 stop
$746Multiple Airlines
Mon, Nov 16 - Wed, Nov 25
Multiple Airlines Logo
4:15 pm - 11:00 am
STL
-
ATH
34h 45m
1 stop
Multiple Airlines Logo
6:40 am - 1:45 pm
ATH
-
STL
15h 05m
1 stop
$756Multiple Airlines
Mon, Nov 9 - Wed, Nov 25
United Airlines Logo
7:30 am - 10:05 am
STL
-
ATH
18h 35m
1 stop
United Airlines Logo
1:00 pm - 2:30 pm
ATH
-
STL
33h 30m
2 stops
$759United Airlines
Sun, Nov 15 - Wed, Nov 18
Air Canada Logo
4:15 pm - 11:00 am
STL
-
ATH
34h 45m
1 stop
Air Canada Logo
1:00 pm - 2:30 pm
ATH
-
STL
33h 30m
2 stops
$763Air Canada
Mon, Nov 9 - Wed, Nov 25
United Airlines Logo
12:05 pm - 10:05 am
STL
-
ATH
14h 00m
1 stop
United Airlines Logo
1:00 pm - 2:30 pm
ATH
-
STL
33h 30m
2 stops
$764United Airlines
Mon, Nov 16 - Thu, Nov 19
United Airlines Logo
4:56 pm - 10:05 am
STL
-
ATH
33h 09m
1 stop
United Airlines Logo
1:00 pm - 3:41 pm
ATH
-
STL
34h 41m
2 stops
$765United Airlines
Sat, Nov 14 - Wed, Nov 18
Air Canada Logo
4:15 pm - 11:00 am
STL
-
ATH
58h 45m
2 stops
Air Canada Logo
1:00 pm - 10:41 am
ATH
-
STL
29h 41m
2 stops
$766Air Canada
Mon, Nov 9 - Wed, Nov 25
Air Canada Logo
6:00 am - 11:00 am
STL
-
ATH
21h 00m
2 stops
Air Canada Logo
1:00 pm - 2:30 pm
ATH
-
STL
33h 30m
2 stops
$767Air Canada
Sun, Nov 15 - Thu, Nov 26
Air Canada Logo
7:04 pm - 11:00 am
STL
-
ATH
55h 56m
2 stops
Air Canada Logo
1:00 pm - 3:41 pm
ATH
-
STL
34h 41m
2 stops
$768Air Canada
Fri, Nov 13 - Wed, Nov 18
Air Canada Logo
4:15 pm - 4:40 pm
STL
-
ATH
16h 25m
2 stops
Air Canada Logo
1:00 pm - 2:30 pm
ATH
-
STL
33h 30m
2 stops
$769Air Canada
Tue, Nov 17 - Thu, Nov 19

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Air Canada flights from St. Louis to Athens

Our best Air Canada deals on St. Louis to Athens flight tickets
Air Canada
Nov 9
STL4:15 pmLambert-St Louis
34h 45m
1 stop
ATH11:00 amAthens Eleftherios V.
Nov 25
ATH1:00 pmAthens Eleftherios V.
33h 30m
2 stops
STL2:30 pmLambert-St Louis
$763
Air Canada
Nov 9
STL4:15 pmLambert-St Louis
58h 45m
2 stops
ATH11:00 amAthens Eleftherios V.
Nov 25
ATH1:00 pmAthens Eleftherios V.
29h 41m
2 stops
STL10:41 amLambert-St Louis
$766
Air Canada
Nov 15
STL6:00 amLambert-St Louis
21h 00m
2 stops
ATH11:00 amAthens Eleftherios V.
Nov 26
ATH1:00 pmAthens Eleftherios V.
33h 30m
2 stops
STL2:30 pmLambert-St Louis
$767

Delta flights from St. Louis to Athens

Our best Delta deals on St. Louis to Athens flight tickets
Delta
Nov 16
STL10:45 amLambert-St Louis
14h 50m
2 stops
ATH9:35 amAthens Eleftherios V.
Nov 27
ATH11:45 amAthens Eleftherios V.
31h 03m
2 stops
STL10:48 amLambert-St Louis
$784
Delta
Jul 6
STL1:59 pmLambert-St Louis
19h 41m
2 stops
ATH5:40 pmAthens Eleftherios V.
Jul 14
ATH6:00 amAthens Eleftherios V.
24h 15m
2 stops
STL10:15 pmLambert-St Louis
$1,174
Delta
Jul 6
STL3:57 pmLambert-St Louis
17h 43m
2 stops
ATH5:40 pmAthens Eleftherios V.
Jul 14
ATH1:35 pmAthens Eleftherios V.
18h 18m
2 stops
STL11:53 pmLambert-St Louis
$1,223

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Athens 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 June 23, 2026.
Use the filters below to find and compare flights from St. Louis to Athens that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/16

4:15 pm-11:00 am

1 stop34h 45m

Athens Eleftherios V.

Wed 11/25

6:40 am-1:45 pm

1 stop15h 05m

$746

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/9

4:15 pm-11:00 am

1 stop34h 45m

Athens Eleftherios V.

Wed 11/25

6:40 am-1:45 pm

1 stop15h 05m

$756

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 11/15

7:30 am-10:05 am

1 stop18h 35m

Athens Eleftherios V.

Wed 11/18

1:00 pm-2:30 pm

2 stops33h 30m

$759

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/9

4:15 pm-11:00 am

1 stop34h 45m

Athens Eleftherios V.

Wed 11/25

1:00 pm-2:30 pm

2 stops33h 30m

$763
Quickest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/16

12:05 pm-10:05 am

1 stop14h 00m

Athens Eleftherios V.

Thu 11/19

1:00 pm-2:30 pm

2 stops33h 30m

$764

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 11/14

4:56 pm-10:05 am

1 stop33h 09m

Athens Eleftherios V.

Wed 11/18

1:00 pm-3:41 pm

2 stops34h 41m

$765

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/9

4:15 pm-11:00 am

2 stops58h 45m

Athens Eleftherios V.

Wed 11/25

1:00 pm-10:41 am

2 stops29h 41m

$766

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 11/15

6:00 am-11:00 am

2 stops21h 00m

Athens Eleftherios V.

Thu 11/26

1:00 pm-2:30 pm

2 stops33h 30m

$767

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 11/13

7:04 pm-11:00 am

2 stops55h 56m

Athens Eleftherios V.

Wed 11/18

1:00 pm-3:41 pm

2 stops34h 41m

$768

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 11/17

4:15 pm-4:40 pm

2 stops16h 25m

Athens Eleftherios V.

Thu 11/19

1:00 pm-2:30 pm

2 stops33h 30m

$769

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 Athens from

How to get the cheapest flight ticket from St. Louis to Athens

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

What is the typical price of a round-trip flight between St. Louis and Athens?

What is the cheapest month to fly to Athens?

The cheapest month to fly to Athens from St. Louis is in February. Flight prices, which tend to average around $548, are often lower during this time because this is during the off-season. If you are unable to visit Athens during the month of February, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $552.

How far in advance should I book a flight from St. Louis to Athens?

You are more likely to see cheaper flights to Athens from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Athens for around $952 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Athens from St. Louis for as low as $889 on momondo.

Can stopping save me money on St. Louis to Athens flights?

You could potentially save up to 15% on your flight if you consider stops on a St. Louis to Athens flight.

When to book flights from St. Louis to Athens

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

Cheap St. Louis to Athens (STL to ATH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Athens

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from St. Louis to Athens takes 12h 30m
There are no direct flights from St. Louis to Athens. There are no popular flight routes from St. Louis to Athens.
Search flight deals

Frequently asked questions about flying from St. Louis to Athens

  • How far is Lambert-St Louis to Athens Eleftherios V. by plane?

    The distance between Lambert-St Louis and Athens Eleftherios V. is about 5680.5 mi. 12h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport?

    Prices for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Athens Eleftherios V. Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Athens Eleftherios V. Airport.

  • What documentation or ID do you need to fly to Athens Eleftherios V. Airport?

    The travel and health documents required for your trip to Athens Eleftherios V. Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Athens Eleftherios V. Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Athens?

Best airlines flying from St. Louis to Athens

Compare and see reviews for airlines that fly from St. Louis to Athens with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $493Free CancellationRating
6.8
8,091 reviews
Search Lufthansa flights
British AirwaysPriceFrom $510Free CancellationRating
6.7
8,068 reviews
Search British Airways flights
American AirlinesPriceFrom $520Free CancellationRating
7.1
11,747 reviews
Search American Airlines flights
DeltaPriceFrom $549Free CancellationRating
7.8
8,428 reviews
Search Delta flights
United AirlinesPriceFrom $643Free CancellationRating
7.4
9,877 reviews
Search United Airlines flights
Air CanadaPriceFrom $655Free CancellationRating
7.1
11,247 reviews
Search Air Canada flights
KLMPriceFrom $814Free CancellationRating
7.8
1,530 reviews
Search KLM flights

Traveling to a place near Athens?

Book flights to Athens if you plan to visit one of these locations
Piraeus
Glyfada
Loutraki
Hydra
Aegina
Corinth
Tolo
Skala
Marathon
Chalcis
Porto Cheli
Agia Marina
Galaxidi
Megalochori

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Athens?

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 St. Louis to Athens for you.

Can I find flights from St. Louis to Athens with flexible booking policies on momondo?

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

How can momondo help me find flights from St. Louis to Athens?

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 St. Louis to Athens.

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

Yes. momondo can track prices for St. Louis to Athens 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.

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Fly your favorite airline to Athens

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
Air Canada
Lufthansa
British Airways
Delta
American Airlines
KLM