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Cheap flights from St. Louis to Athens from $509

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 5/17. 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 St. Louis to Athens

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:10 am - 9:35 am
STL
-
ATH
20h 25m
1 stop
Delta Logo
10:05 am - 8:44 am
ATH
-
STL
30h 39m
1 stop
$607Delta
Thu, Mar 19 - Wed, Apr 1
United Airlines Logo
8:30 am - 10:40 am
STL
-
ATH
43h 10m
2 stops
United Airlines Logo
10:25 am - 9:08 pm
ATH
-
STL
18h 43m
2 stops
$610United Airlines
Thu, Mar 19 - Wed, Apr 1
Scandinavian Airlines Logo
1:30 pm - 12:50 pm
STL
-
ATH
39h 20m
2 stops
Scandinavian Airlines Logo
7:30 pm - 11:37 pm
ATH
-
STL
36h 07m
2 stops
$633Scandinavian Airlines
Fri, Aug 14 - Thu, Sep 3
Scandinavian Airlines Logo
1:02 pm - 6:40 pm
STL
-
ATH
21h 38m
2 stops
Scandinavian Airlines Logo
7:30 pm - 11:36 pm
ATH
-
STL
36h 06m
2 stops
$646Scandinavian Airlines
Tue, Apr 21 - Mon, Apr 27
Scandinavian Airlines Logo
1:02 pm - 6:40 pm
STL
-
ATH
21h 38m
2 stops
Scandinavian Airlines Logo
7:30 pm - 11:59 pm
ATH
-
STL
36h 29m
2 stops
$663Scandinavian Airlines
Tue, May 5 - Fri, May 15
United Airlines Logo
8:30 am - 10:40 am
STL
-
ATH
43h 10m
2 stops
United Airlines Logo
12:15 pm - 9:21 am
ATH
-
STL
52h 06m
3 stops
$684United Airlines
Thu, Mar 19 - Thu, Mar 26
Scandinavian Airlines Logo
1:30 pm - 6:40 pm
STL
-
ATH
21h 10m
2 stops
Scandinavian Airlines Logo
7:45 am - 8:50 pm
ATH
-
STL
21h 05m
2 stops
$741Scandinavian Airlines
Mon, Aug 17 - Mon, Aug 31
Scandinavian Airlines Logo
3:42 pm - 12:50 pm
STL
-
ATH
37h 08m
2 stops
Scandinavian Airlines Logo
7:45 am - 11:37 pm
ATH
-
STL
23h 52m
2 stops
$753Scandinavian Airlines
Fri, Aug 14 - Mon, Aug 31
United Airlines Logo
7:45 am - 8:10 am
STL
-
ATH
16h 25m
2 stops
United Airlines Logo
1:10 pm - 10:48 am
ATH
-
STL
29h 38m
2 stops
$776United Airlines
Mon, Apr 27 - Fri, May 8
United Airlines Logo
12:10 pm - 10:10 am
STL
-
ATH
14h 00m
1 stop
United Airlines Logo
3:25 pm - 2:18 pm
ATH
-
STL
30h 53m
2 stops
$780United Airlines
Wed, Aug 12 - Wed, Aug 19

Scandinavian Airlines flights from St. Louis to Athens

Our best Scandinavian Airlines deals on St. Louis to Athens flight tickets
Scandinavian Airlines
Aug 14
STL1:30 pmLambert-St Louis
39h 20m
2 stops
ATH12:50 pmAthens Eleftherios V.
Sep 3
ATH7:30 pmAthens Eleftherios V.
36h 07m
2 stops
STL11:37 pmLambert-St Louis
$633
Scandinavian Airlines
Apr 21
STL1:02 pmLambert-St Louis
21h 38m
2 stops
ATH6:40 pmAthens Eleftherios V.
Apr 27
ATH7:30 pmAthens Eleftherios V.
36h 06m
2 stops
STL11:36 pmLambert-St Louis
$646
Scandinavian Airlines
May 5
STL1:02 pmLambert-St Louis
21h 38m
2 stops
ATH6:40 pmAthens Eleftherios V.
May 15
ATH7:30 pmAthens Eleftherios V.
36h 29m
2 stops
STL11:59 pmLambert-St Louis
$663

Air Canada flights from St. Louis to Athens

Our best Air Canada deals on St. Louis to Athens flight tickets
Air Canada
Aug 18
STL8:00 amLambert-St Louis
18h 10m
2 stops
ATH10:10 amAthens Eleftherios V.
Sep 1
ATH12:10 pmAthens Eleftherios V.
14h 22m
1 stop
STL6:32 pmLambert-St Louis
$798
Air Canada
Aug 16
STL8:55 amLambert-St Louis
17h 15m
2 stops
ATH10:10 amAthens Eleftherios V.
Sep 1
ATH12:10 pmAthens Eleftherios V.
14h 22m
1 stop
STL6:32 pmLambert-St Louis
$802
Air Canada
Aug 12
STL12:10 pmLambert-St Louis
17h 15m
1 stop
ATH1:25 pmAthens Eleftherios V.
Aug 19
ATH12:10 pmAthens Eleftherios V.
28h 27m
2 stops
STL8:37 amLambert-St Louis
$805

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 February 22, 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

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 3/19

6:10 am-9:35 am

1 stop20h 25m

Athens Eleftherios V.

Wed 4/1

10:05 am-8:44 am

1 stop30h 39m

$607

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 3/19

8:30 am-10:40 am

2 stops43h 10m

Athens Eleftherios V.

Wed 4/1

10:25 am-9:08 pm

2 stops18h 43m

$610

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 8/14

1:30 pm-12:50 pm

2 stops39h 20m

Athens Eleftherios V.

Thu 9/3

7:30 pm-11:37 pm

2 stops36h 07m

$633

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 4/21

1:02 pm-6:40 pm

2 stops21h 38m

Athens Eleftherios V.

Mon 4/27

7:30 pm-11:36 pm

2 stops36h 06m

$646

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 5/5

1:02 pm-6:40 pm

2 stops21h 38m

Athens Eleftherios V.

Fri 5/15

7:30 pm-11:59 pm

2 stops36h 29m

$663

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 3/19

8:30 am-10:40 am

2 stops43h 10m

Athens Eleftherios V.

Thu 3/26

12:15 pm-9:21 am

3 stops52h 06m

$684

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 8/17

1:30 pm-6:40 pm

2 stops21h 10m

Athens Eleftherios V.

Mon 8/31

7:45 am-8:50 pm

2 stops21h 05m

$741

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 8/14

3:42 pm-12:50 pm

2 stops37h 08m

Athens Eleftherios V.

Mon 8/31

7:45 am-11:37 pm

2 stops23h 52m

$753

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 4/27

7:45 am-8:10 am

2 stops16h 25m

Athens Eleftherios V.

Fri 5/8

1:10 pm-10:48 am

2 stops29h 38m

$776

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 8/12

12:10 pm-10:10 am

1 stop14h 00m

Athens Eleftherios V.

Wed 8/19

3:25 pm-2:18 pm

2 stops30h 53m

$780

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 cheapest month to fly to Athens?

The cheapest month to fly to Athens from St. Louis is in January. Flight prices, which tend to average around $529, are often lower during this time because this is during the off-season. If you are unable to visit Athens during the month of January, then departing from St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around $631.

How far in advance should I book a flight 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 $899 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 $733 on momondo.

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

You could potentially save up to 16% 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

  • 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 $483Free CancellationRating
6.8
7,802 reviews
Search Lufthansa flights
American AirlinesPriceFrom $520Free CancellationRating
7.2
11,341 reviews
Search American Airlines flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,757 reviews
Search British Airways flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,240 reviews
Search Delta flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,738 reviews
Search Air Canada flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,339 reviews
Search United Airlines flights
KLMPriceFrom $653Free CancellationRating
7.7
1,457 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
Marathon
Hydra
Skala
Aegina
Loutraki
Tolo
Corinth
Agia Marina
Chalcis
Porto Cheli
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

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