Cheap flights from St. Louis to Athens from $349
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 2/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from St. Louis to Athens
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Air Canada flights from St. Louis to Athens
Our best Air Canada deals on St. Louis to Athens flight tickets
Lufthansa flights from St. Louis to Athens
Our best Lufthansa deals on St. Louis to Athens flight tickets
momondo Fare Finder
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
St. LouisAthens
STL Lambert-St Louis - ATH Athens Eleftherios V.
STLATH
Lambert-St Louis
Tue 3/9
7:30 am-10:05 am
1 stop18h 35m
Athens Eleftherios V.
Wed 3/17
12:00 pm-9:13 pm
2 stops40h 13m
St. LouisAthens
STL Lambert-St Louis - ATH Athens Eleftherios V.
STLATH
Lambert-St Louis
Tue 3/9
9:40 am-10:05 am
2 stops16h 25m
Athens Eleftherios V.
Wed 3/17
12:00 pm-3:02 pm
2 stops34h 02m
St. LouisAthens
STL Lambert-St Louis - ATH Athens Eleftherios V.
STLATH
Lambert-St Louis
Tue 3/9
6:30 am-10:05 am
1 stop19h 35m
Athens Eleftherios V.
Wed 3/17
6:45 am-2:45 pm
1 stop15h 00m
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
St. LouisAthens
STL Lambert-St Louis - ATH Athens Eleftherios V.
STLATH
Lambert-St Louis
Wed 2/3
6:06 am-12:55 pm
2 stops22h 49m
Athens Eleftherios V.
Fri 2/19
6:45 am-1:45 pm
1 stop15h 00m
St. LouisAthens
STL Lambert-St Louis - ATH Athens Eleftherios V.
STLATH
Lambert-St Louis
Sun 11/8
4:05 pm-11:00 am
1 stop34h 55m
Athens Eleftherios V.
Tue 11/24
1:00 pm-3:26 pm
1 stop34h 26m
St. LouisAthens
STL Lambert-St Louis - ATH Athens Eleftherios V.
STLATH
Lambert-St Louis
Wed 2/3
3:40 pm-1:40 pm
1 stop14h 00m
Athens Eleftherios V.
Fri 2/19
6:45 am-1:45 pm
1 stop15h 00m
St. LouisAthens
STL Lambert-St Louis - ATH Athens Eleftherios V.
STLATH
Lambert-St Louis
Sun 2/7
9:00 am-1:40 pm
2 stops20h 40m
Athens Eleftherios V.
Wed 2/17
6:10 am-6:01 pm
2 stops19h 51m
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
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.
Tue 2/16
7:05 am-3:26 pm
2 stops40h 21m
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 $971 to $1,398.The lowest price recently found on this route was $743.
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 $995 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 $821 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Athens Eleftherios V.?
British Airways, United Airlines, and Lufthansa are the most popular carriers operating from Lambert-St Louis to Athens Eleftherios V.
What airlines fly to Athens?
United Airlines, Air Canada and Lufthansa are the top three most popular airlines that fly to Athens from St. Louis according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Athens. Keep in mind that there are 6 different airlines that fly to Athens on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between St. Louis and Athens?
Frankfurt am Main (FRA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from St. Louis to Athens?
Flights via Montreal (YUL) offer the lowest average round-trip price of $858.
Which layover airport has the shortest travel time from St. Louis to Athens?
Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 12h 50m.
Which layover airport has the shortest connection time from St. Louis to Athens?
Toronto (YYZ) has the shortest average layover time for this route: 1h 39m.
When to book flights from St. Louis to Athens
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
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?
There are 6 operators available for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport as of October 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Athens is United Airlines (37% of total bookings). The next most popular airlines are Air Canada (20%), Lufthansa (20%), and British Airways (10%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $493 | Free Cancellation | Rating 6.8 8,274 reviews | |||
| PriceFrom $510 | Free Cancellation | Rating 6.7 8,260 reviews | |||
| PriceFrom $520 | Free Cancellation | Rating 7.0 12,158 reviews | |||
| PriceFrom $554 | Free Cancellation | Rating 7.8 8,654 reviews | |||
| PriceFrom $669 | Free Cancellation | Rating 7.4 10,352 reviews | |||
| PriceFrom $741 | Free Cancellation | Rating 7.1 11,764 reviews |
Traveling to a place near Athens?
Book flights to Athens if you plan to visit one of these locationsWhy 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.