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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 10/10. 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
7:33 am - 11:00 amSTL  Lambert-St Louis-ATH Athens Eleftherios V.
19h 27m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
7:05 am - 3:26 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
40h 21m2 stops Zurich Toronto Pearson Intl
$763Multiple Airlines
Sun, Jan 10 - Thu, Jan 14
United Airlines Logo
6:50 pm - 11:00 amSTL  Lambert-St Louis-ATH Athens Eleftherios V.
32h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
1:00 pm - 3:43 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
34h 43m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$768United Airlines
Sat, Nov 14 - Tue, Nov 24
United Airlines Logo
6:00 am - 10:05 amSTL  Lambert-St Louis-ATH Athens Eleftherios V.
20h 05m1 stop Newark
United Airlines Logo
6:45 am - 1:45 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
15h 00m1 stop Frankfurt am Main
$772United Airlines
Wed, Nov 18 - Fri, Nov 20
Multiple Airlines Logo
3:40 pm - 1:40 pmSTL  Lambert-St Louis-ATH Athens Eleftherios V.
14h 00m1 stop Frankfurt am Main
Multiple Airlines Logo
7:05 am - 3:26 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
40h 21m2 stops Zurich Toronto Pearson Intl
$774Multiple Airlines
Sun, Jan 10 - Thu, Jan 14
Air Canada Logo
10:53 am - 11:00 amSTL  Lambert-St Louis-ATH Athens Eleftherios V.
16h 07m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:05 am - 3:26 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
40h 21m2 stops Zurich Toronto Pearson Intl
$786Air Canada
Wed, Nov 18 - Fri, Nov 20
Lufthansa Logo
3:40 pm - 1:40 pmSTL  Lambert-St Louis-ATH Athens Eleftherios V.
14h 00m1 stop Frankfurt am Main
Lufthansa Logo
2:30 pm - 1:45 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
31h 15m1 stop Frankfurt am Main
$786Lufthansa
Sun, Jan 10 - Thu, Jan 14
Lufthansa Logo
3:40 pm - 1:40 pmSTL  Lambert-St Louis-ATH Athens Eleftherios V.
14h 00m1 stop Frankfurt am Main
Lufthansa Logo
6:45 am - 1:45 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
15h 00m1 stop Frankfurt am Main
$788Lufthansa
Sun, Feb 7 - Fri, Feb 19
Delta Logo
6:30 am - 1:40 pmSTL  Lambert-St Louis-ATH Athens Eleftherios V.
23h 10m2 stops Minneapolis St Paul Paris Charles de Gaulle
Delta Logo
6:10 am - 8:37 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
22h 27m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$788Delta
Mon, Feb 8 - Thu, Feb 18
Delta Logo
10:45 am - 1:40 pmSTL  Lambert-St Louis-ATH Athens Eleftherios V.
18h 55m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
1:35 pm - 4:50 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
35h 15m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$788Delta
Tue, Feb 9 - Mon, Feb 22
Air Canada Logo
4:05 pm - 4:50 pmSTL  Lambert-St Louis-ATH Athens Eleftherios V.
16h 45m2 stops Toronto Pearson Intl Zurich
Air Canada Logo
6:45 am - 6:06 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
19h 21m3 stops Frankfurt am Main Toronto Pearson Intl Chicago O'Hare Intl
$803Air Canada
Mon, Feb 8 - Fri, Feb 19

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United Airlines flights from St. Louis to Athens

Our best United Airlines deals on St. Louis to Athens flight tickets
United Airlines
Nov 14
STL6:50 pmLambert-St Louis
32h 10m
2 stops
ATH11:00 amAthens Eleftherios V.
Nov 24
ATH1:00 pmAthens Eleftherios V.
34h 43m
2 stops
STL3:43 pmLambert-St Louis
$768
United Airlines
Nov 18
STL6:00 amLambert-St Louis
20h 05m
1 stop
ATH10:05 amAthens Eleftherios V.
Nov 20
ATH6:45 amAthens Eleftherios V.
15h 00m
1 stop
STL1:45 pmLambert-St Louis
$772
United Airlines
Nov 18
STL6:00 amLambert-St Louis
21h 00m
2 stops
ATH11:00 amAthens Eleftherios V.
Nov 20
ATH6:45 amAthens Eleftherios V.
15h 00m
1 stop
STL1:45 pmLambert-St Louis
$776

Delta flights from St. Louis to Athens

Our best Delta deals on St. Louis to Athens flight tickets
Delta
Feb 10
STL10:45 amLambert-St Louis
30h 35m
2 stops
ATH1:20 amAthens Eleftherios V.
Feb 22
ATH1:35 pmAthens Eleftherios V.
35h 15m
2 stops
STL4:50 pmLambert-St Louis
$793
Delta
Feb 6
STL6:59 pmLambert-St Louis
37h 36m
2 stops
ATH4:35 pmAthens Eleftherios V.
Feb 16
ATH6:10 amAthens Eleftherios V.
18h 40m
2 stops
STL4:50 pmLambert-St Louis
$798
Delta
Feb 9
STL6:00 amLambert-St Louis
23h 40m
2 stops
ATH1:40 pmAthens Eleftherios V.
Feb 20
ATH6:10 amAthens Eleftherios V.
22h 27m
2 stops
STL8:37 pmLambert-St Louis
$838

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 August 17, 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 Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 1/10

7:33 am-11:00 am

2 stops19h 27m

Athens Eleftherios V.

Thu 1/14

7:05 am-3:26 pm

2 stops40h 21m

$763

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sat 11/14

6:50 pm-11:00 am

2 stops32h 10m

Athens Eleftherios V.

Tue 11/24

1:00 pm-3:43 pm

2 stops34h 43m

$768

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Wed 11/18

6:00 am-10:05 am

1 stop20h 05m

Athens Eleftherios V.

Fri 11/20

6:45 am-1:45 pm

1 stop15h 00m

$772

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 1/10

3:40 pm-1:40 pm

1 stop14h 00m

Athens Eleftherios V.

Thu 1/14

7:05 am-3:26 pm

2 stops40h 21m

$774

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Wed 11/18

10:53 am-11:00 am

2 stops16h 07m

Athens Eleftherios V.

Fri 11/20

7:05 am-3:26 pm

2 stops40h 21m

$786

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 1/10

3:40 pm-1:40 pm

1 stop14h 00m

Athens Eleftherios V.

Thu 1/14

2:30 pm-1:45 pm

1 stop31h 15m

$786
Quickest round-trip

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 2/7

3:40 pm-1:40 pm

1 stop14h 00m

Athens Eleftherios V.

Fri 2/19

6:45 am-1:45 pm

1 stop15h 00m

$788

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 2/8

6:30 am-1:40 pm

2 stops23h 10m

Athens Eleftherios V.

Thu 2/18

6:10 am-8:37 pm

2 stops22h 27m

$788

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Tue 2/9

10:45 am-1:40 pm

2 stops18h 55m

Athens Eleftherios V.

Mon 2/22

1:35 pm-4:50 pm

2 stops35h 15m

$788

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 2/8

4:05 pm-4:50 pm

2 stops16h 45m

Athens Eleftherios V.

Fri 2/19

6:45 am-6:06 pm

3 stops19h 21m

$803

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?

Prices are currently low for flights on this route.

Typical prices usually range from $964 to $1,169.
The lowest price recently found on this route was $763.

What is the cheapest month to fly to Athens?

The cheapest month to fly to Athens from St. Louis is in November. Flight prices, which tend to average around $546, are often lower during this time because this is during the off-season. If you are unable to visit Athens during the month of November, then departing from St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around $548.

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 week ahead of your departure date. In general, you can expect to find flights to Athens for around $991 when searching week 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 $806 on momondo.

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

You could potentially save up to 36% 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

14h 00m

Direct flights

None
The fastest flight from St. Louis to Athens takes 14h 00m
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. 14h 00m 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
8,195 reviews
Search Lufthansa flights
British AirwaysPriceFrom $510Free CancellationRating
6.7
8,169 reviews
Search British Airways flights
American AirlinesPriceFrom $520Free CancellationRating
7.1
11,951 reviews
Search American Airlines flights
DeltaPriceFrom $549Free CancellationRating
7.8
8,505 reviews
Search Delta flights
United AirlinesPriceFrom $626Free CancellationRating
7.4
10,105 reviews
Search United Airlines flights
Air CanadaPriceFrom $776Free CancellationRating
7.1
11,481 reviews
Search Air Canada 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
Skala
Chalcis
Porto Cheli
Marathon
Tolo
Agia Marina
Megalochori
Galaxidi

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

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British Airways
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