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Cheap flights from St. Louis to Athens from $452

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 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
British Airways Logo
12:11 pm - 1:05 amSTL-ATH
28h 54m2 stops
British Airways Logo
7:50 pm - 10:44 pmATH-STL
34h 54m2 stops
$496British Airways
Find Deal
mié., ene. 7 - jue., ene. 15
Lufthansa Logo
11:22 am - 12:00 pmSTL-ATH
16h 38m2 stops
Lufthansa Logo
6:15 am - 10:58 pmATH-STL
24h 43m2 stops
$499Lufthansa
Find Deal
mié., ene. 28 - dom., feb. 1
Lufthansa Logo
3:50 pm - 1:20 pmSTL-ATH
13h 30m1 stop
Lufthansa Logo
6:15 am - 10:58 pmATH-STL
24h 43m2 stops
$506Lufthansa
Find Deal
mié., ene. 28 - dom., feb. 1
United Airlines Logo
4:05 pm - 1:20 pmSTL-ATH
37h 15m2 stops
United Airlines Logo
6:25 am - 10:13 amATH-STL
35h 48m2 stops
$512United Airlines
Find Deal
mar., ene. 6 - mar., ene. 13
Lufthansa Logo
3:50 pm - 1:20 pmSTL-ATH
13h 30m1 stop
Lufthansa Logo
6:25 am - 11:59 pmATH-STL
25h 34m2 stops
$555Lufthansa
Find Deal
mié., ene. 7 - jue., ene. 15
Delta Logo
6:00 am - 4:35 pmSTL-ATH
26h 35m2 stops
Delta Logo
12:50 pm - 9:50 amATH-STL
29h 00m2 stops
$703Delta
Find Deal
mié., dic. 10 - lun., dic. 15
Delta Logo
9:00 am - 4:35 pmSTL-ATH
23h 35m2 stops
Delta Logo
3:25 am - 11:42 pmATH-STL
28h 17m2 stops
$711Delta
Find Deal
mié., dic. 10 - dom., dic. 14
Lufthansa Logo
6:40 pm - 1:20 pmSTL-ATH
34h 40m2 stops
Lufthansa Logo
2:10 pm - 1:55 pmATH-STL
31h 45m1 stop
$732Lufthansa
Find Deal
mar., ene. 6 - mar., ene. 13
Lufthansa Logo
3:50 pm - 1:20 pmSTL-ATH
13h 30m1 stop
Lufthansa Logo
4:05 pm - 1:55 pmATH-STL
29h 50m1 stop
$858Lufthansa
Find Deal
mié., ene. 7 - jue., ene. 15
KLM Logo
4:32 pm - 9:55 amSTL-ATH
33h 23m1 stop
KLM Logo
6:05 am - 5:10 pmATH-STL
19h 05m2 stops
$863KLM
Find Deal
mié., dic. 10 - lun., dic. 15

British Airways flights from St. Louis to Athens

Our best British Airways deals on St. Louis to Athens flight tickets
British Airways
Jan 7
STL12:11 pmLambert-St Louis
28h 54m
2 stops
ATH1:05 amAthens Eleftherios V.
Jan 15
ATH7:50 pmAthens Eleftherios V.
34h 54m
2 stops
STL10:44 pmLambert-St Louis
$496
Find similar
British Airways
Feb 28
STL2:19 pmLambert-St Louis
17h 31m
2 stops
ATH3:50 pmAthens Eleftherios V.
Mar 8
ATH2:50 pmAthens Eleftherios V.
25h 08m
2 stops
STL8:58 amLambert-St Louis
$646
Find similar
British Airways
Mar 3
STL2:24 pmLambert-St Louis
21h 06m
2 stops
ATH7:30 pmAthens Eleftherios V.
Mar 9
ATH4:55 pmAthens Eleftherios V.
32h 06m
2 stops
STL6:01 pmLambert-St Louis
$695
Find similar

Lufthansa flights from St. Louis to Athens

Our best Lufthansa deals on St. Louis to Athens flight tickets
Lufthansa
Jan 28
STL11:22 amLambert-St Louis
16h 38m
2 stops
ATH12:00 pmAthens Eleftherios V.
Feb 1
ATH6:15 amAthens Eleftherios V.
24h 43m
2 stops
STL10:58 pmLambert-St Louis
$499
Find similar
Lufthansa
Jan 28
STL3:50 pmLambert-St Louis
13h 30m
1 stop
ATH1:20 pmAthens Eleftherios V.
Feb 1
ATH6:15 amAthens Eleftherios V.
24h 43m
2 stops
STL10:58 pmLambert-St Louis
$506
Find similar
Lufthansa
Jan 7
STL3:50 pmLambert-St Louis
13h 30m
1 stop
ATH1:20 pmAthens Eleftherios V.
Jan 15
ATH6:25 amAthens Eleftherios V.
25h 34m
2 stops
STL11:59 pmLambert-St Louis
$555
Find similar

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 noviembre 24, 2025.
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

mié. 1/7

12:11 pm-1:05 am

2 stops28h 54m

Athens Eleftherios V.

jue. 1/15

7:50 pm-10:44 pm

2 stops34h 54m

$496

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mié. 1/28

11:22 am-12:00 pm

2 stops16h 38m

Athens Eleftherios V.

dom. 2/1

6:15 am-10:58 pm

2 stops24h 43m

$499

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mié. 1/28

3:50 pm-1:20 pm

1 stop13h 30m

Athens Eleftherios V.

dom. 2/1

6:15 am-10:58 pm

2 stops24h 43m

$506

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mar. 1/6

4:05 pm-1:20 pm

2 stops37h 15m

Athens Eleftherios V.

mar. 1/13

6:25 am-10:13 am

2 stops35h 48m

$512

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mié. 1/7

3:50 pm-1:20 pm

1 stop13h 30m

Athens Eleftherios V.

jue. 1/15

6:25 am-11:59 pm

2 stops25h 34m

$555

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mié. 12/10

6:00 am-4:35 pm

2 stops26h 35m

Athens Eleftherios V.

lun. 12/15

12:50 pm-9:50 am

2 stops29h 00m

$703

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mié. 12/10

9:00 am-4:35 pm

2 stops23h 35m

Athens Eleftherios V.

dom. 12/14

3:25 am-11:42 pm

2 stops28h 17m

$711

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mar. 1/6

6:40 pm-1:20 pm

2 stops34h 40m

Athens Eleftherios V.

mar. 1/13

2:10 pm-1:55 pm

1 stop31h 45m

$732

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mié. 1/7

3:50 pm-1:20 pm

1 stop13h 30m

Athens Eleftherios V.

jue. 1/15

4:05 pm-1:55 pm

1 stop29h 50m

$858

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mié. 12/10

4:32 pm-9:55 am

1 stop33h 23m

Athens Eleftherios V.

lun. 12/15

6:05 am-5:10 pm

2 stops19h 05m

$863

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 $717, 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 November is also very affordable. Most momondo users find prices during this month for around $719.

What is the cheapest day to depart on your flight to Athens?

The cheapest day to depart on your flight to Athens is on a Sunday when prices can be found for as low as $1,177. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,424. These prices are subject to change though, so be sure to set up a Price Alert for flights to Athens.

What is the cheapest time of day to depart on your flight to Athens?

The cheapest time of day to fly to Athens is in the afternoon when flights can be purchased for as low as $1,240. Flights to Athens are more costly at noon, with an average ticket price of $1,454. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,014 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 $770 on momondo.

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

You could potentially save up to 26% 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

Direct flights

None
There are no direct flights from St. Louis to Athens. There are no popular flight routes from St. Louis to Athens.
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  • 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 35m 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 $546Free CancellationRating
6.8
7,589 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom $581Free CancellationRating
7.4
1,585 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $606Free CancellationRating
6.7
7,535 reviews
Search British Airways flights
DeltaPriceFrom $629Free CancellationRating
7.9
7,998 reviews
Search Delta flights
Virgin AtlanticPriceFrom $653Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $658Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $674Free CancellationRating
7.4
9,044 reviews
Search United Airlines flights
KLMPriceFrom $737Free CancellationRating
7.7
1,420 reviews
Search KLM flights
Air CanadaPriceFrom $739Free CancellationRating
7.1
10,469 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
Marathon
Hydra
Aegina
Skala
Loutraki
Tolo
Corinth
Agia Marina
Porto Cheli
Galaxidi
Chalcis

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
Scandinavian Airlines
Virgin Atlantic