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Cheap flights from St. Louis to Athens from $445

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Athens departing on 1/28. 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 St. Louis to Athens

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:50 pm - 1:20 pm
STL
-
ATH
13h 30m1 stop
Lufthansa Logo
6:15 am - 11:59 pm
ATH
-
STL
25h 44m2 stops
$445Lufthansa
Wed, Jan 28 - Wed, Feb 4
British Airways Logo
2:26 pm - 6:50 pm
STL
-
ATH
20h 24m2 stops
British Airways Logo
7:50 pm - 11:52 pm
ATH
-
STL
35h 02m2 stops
$490British Airways
Sat, Feb 28 - Sun, Mar 8
Air Canada Logo
4:05 pm - 4:40 pm
STL
-
ATH
16h 35m2 stops
Air Canada Logo
12:15 pm - 3:29 pm
ATH
-
STL
34h 14m1 stop
$497Air Canada
Tue, Mar 3 - Mon, Mar 9
United Airlines Logo
8:30 am - 12:00 pm
STL
-
ATH
19h 30m2 stops
United Airlines Logo
6:15 am - 3:29 pm
ATH
-
STL
41h 14m2 stops
$498United Airlines
Wed, Jan 28 - Wed, Feb 4
United Airlines Logo
3:11 pm - 12:55 pm
STL
-
ATH
37h 44m2 stops
United Airlines Logo
6:15 am - 10:58 pm
ATH
-
STL
24h 43m2 stops
$502United Airlines
Wed, Jan 28 - Sun, Feb 1
United Airlines Logo
3:50 pm - 1:20 pm
STL
-
ATH
13h 30m1 stop
United Airlines Logo
6:15 am - 10:58 pm
ATH
-
STL
24h 43m2 stops
$509United Airlines
Wed, Jan 28 - Sun, Feb 1
United Airlines Logo
3:50 pm - 4:35 pm
STL
-
ATH
16h 45m1 stop
United Airlines Logo
7:05 am - 9:13 pm
ATH
-
STL
22h 08m2 stops
$511United Airlines
Wed, Jan 28 - Wed, Feb 4
United Airlines Logo
6:00 pm - 4:15 pm
STL
-
ATH
38h 15m2 stops
United Airlines Logo
6:15 am - 10:58 pm
ATH
-
STL
24h 43m2 stops
$514United Airlines
Wed, Jan 28 - Sun, Feb 1
United Airlines Logo
6:25 am - 12:55 pm
STL
-
ATH
22h 30m2 stops
United Airlines Logo
6:15 am - 1:55 pm
ATH
-
STL
15h 40m1 stop
$593United Airlines
Sat, Feb 28 - Sun, Mar 8
United Airlines Logo
7:41 am - 6:05 pm
STL
-
ATH
26h 24m2 stops
United Airlines Logo
6:15 am - 1:55 pm
ATH
-
STL
15h 40m1 stop
$597United Airlines
Sat, Feb 28 - Sun, Mar 8

Lufthansa flights from St. Louis to Athens

Our best Lufthansa deals on St. Louis to Athens flight tickets
Lufthansa
Jan 28
STL3:50 pmLambert-St Louis
13h 30m
1 stop
ATH1:20 pmAthens Eleftherios V.
Feb 4
ATH6:15 amAthens Eleftherios V.
25h 44m
2 stops
STL11:59 pmLambert-St Louis
$445
Find similar
Lufthansa
Feb 28
STL1:11 pmLambert-St Louis
21h 24m
2 stops
ATH6:35 pmAthens Eleftherios V.
Mar 8
ATH6:15 amAthens Eleftherios V.
15h 40m
1 stop
STL1:55 pmLambert-St Louis
$667
Find similar
Lufthansa
Jan 10
STL4:49 pmLambert-St Louis
39h 46m
2 stops
ATH4:35 pmAthens Eleftherios V.
Jan 17
ATH2:35 pmAthens Eleftherios V.
31h 20m
1 stop
STL1:55 pmLambert-St Louis
$730
Find similar

British Airways flights from St. Louis to Athens

Our best British Airways deals on St. Louis to Athens flight tickets
British Airways
Feb 28
STL2:26 pmLambert-St Louis
20h 24m
2 stops
ATH6:50 pmAthens Eleftherios V.
Mar 8
ATH7:50 pmAthens Eleftherios V.
35h 02m
2 stops
STL11:52 pmLambert-St Louis
$490
Find similar
British Airways
Apr 6
STL2:00 pmLambert-St Louis
21h 05m
2 stops
ATH7:05 pmAthens Eleftherios V.
Apr 22
ATH1:00 pmAthens Eleftherios V.
15h 03m
1 stop
STL8:03 pmLambert-St Louis
$837
Find similar
British Airways
Apr 6
STL2:00 pmLambert-St Louis
18h 30m
2 stops
ATH4:30 pmAthens Eleftherios V.
Apr 21
ATH6:30 pmAthens Eleftherios V.
33h 00m
1 stop
STL7:30 pmLambert-St Louis
$846
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 December 15, 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

Wed 1/28

3:50 pm-1:20 pm

1 stop13h 30m

Athens Eleftherios V.

Wed 2/4

6:15 am-11:59 pm

2 stops25h 44m

$445

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

2:26 pm-6:50 pm

2 stops20h 24m

Athens Eleftherios V.

Sun 3/8

7:50 pm-11:52 pm

2 stops35h 02m

$490

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

4:05 pm-4:40 pm

2 stops16h 35m

Athens Eleftherios V.

Mon 3/9

12:15 pm-3:29 pm

1 stop34h 14m

$497

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 1/28

8:30 am-12:00 pm

2 stops19h 30m

Athens Eleftherios V.

Wed 2/4

6:15 am-3:29 pm

2 stops41h 14m

$498

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 1/28

3:11 pm-12:55 pm

2 stops37h 44m

Athens Eleftherios V.

Sun 2/1

6:15 am-10:58 pm

2 stops24h 43m

$502

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 1/28

3:50 pm-1:20 pm

1 stop13h 30m

Athens Eleftherios V.

Sun 2/1

6:15 am-10:58 pm

2 stops24h 43m

$509

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 1/28

3:50 pm-4:35 pm

1 stop16h 45m

Athens Eleftherios V.

Wed 2/4

7:05 am-9:13 pm

2 stops22h 08m

$511

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 1/28

6:00 pm-4:15 pm

2 stops38h 15m

Athens Eleftherios V.

Sun 2/1

6:15 am-10:58 pm

2 stops24h 43m

$514

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

6:25 am-12:55 pm

2 stops22h 30m

Athens Eleftherios V.

Sun 3/8

6:15 am-1:55 pm

1 stop15h 40m

$593

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

7:41 am-6:05 pm

2 stops26h 24m

Athens Eleftherios V.

Sun 3/8

6:15 am-1:55 pm

1 stop15h 40m

$597

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 November. Flight prices, which tend to average around $716, 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 $717.

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 $970 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 12% 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

13h 30m

Direct flights

None
The fastest flight from St. Louis to Athens takes 13h 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

  • 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. 13h 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
American AirlinesPriceFrom $520Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
LufthansaPriceFrom $546Free CancellationRating
6.8
7,628 reviews
Search Lufthansa flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,575 reviews
Search British Airways flights
DeltaPriceFrom $608Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $654Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
Air CanadaPriceFrom $724Free CancellationRating
7.1
10,525 reviews
Search Air Canada flights
KLMPriceFrom $737Free CancellationRating
7.7
1,430 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
Aegina
Skala
Loutraki
Tolo
Corinth
Agia Marina
Porto Cheli
Chalcis
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.

An easier way to manage your Athens trip

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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