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606 € Cheap Flights from St Louis to Athens International

Compare St Louis to Athens International flight deals

Find the cheapest month or even day of the year to fly to Athens International

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Flight deals from St Louis to Athens International

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Athens International Airport? If you want to travel next month, return fares start from 775 €. Find the lowest prices on one-way and return tickets right here.
Athens.606 € per passenger.Departing Tue, 29 Sep, returning Wed, 14 Oct.Return flight with Frontier Airlines and Norse Atlantic Airways.Outbound indirect flight with Frontier Airlines, departs from St Louis on Tue, 29 Sep, arriving in Athens International.Inbound indirect flight with Norse Atlantic Airways, departs from Athens International on Wed, 14 Oct, arriving in St Louis.Price includes taxes and charges.From 606 €, select.
Athens.625 € per passenger.Departing Wed, 21 Oct, returning Wed, 4 Nov.Return flight with Frontier Airlines and Wizz Air Malta.Outbound indirect flight with Frontier Airlines, departs from St Louis on Wed, 21 Oct, arriving in Athens International.Inbound indirect flight with Wizz Air Malta, departs from Athens International on Wed, 4 Nov, arriving in St Louis.Price includes taxes and charges.From 625 €, select.
Athens.674 € per passenger.Departing Mon, 16 Nov, returning Wed, 25 Nov.Return flight with United.Outbound indirect flight with United, departs from St Louis on Mon, 16 Nov, arriving in Athens International.Inbound indirect flight with United, departs from Athens International on Wed, 25 Nov, arriving in St Louis.Price includes taxes and charges.From 674 €, select.
Athens.689 € per passenger.Departing Sun, 6 Dec, returning Thu, 14 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Sun, 6 Dec, arriving in Athens International.Inbound indirect flight with Delta, departs from Athens International on Thu, 14 Jan, arriving in St Louis.Price includes taxes and charges.From 689 €, select.
Athens.711 € per passenger.Departing Mon, 17 Aug, returning Wed, 2 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from St Louis on Mon, 17 Aug, arriving in Athens International.Inbound indirect flight with Air Canada, departs from Athens International on Wed, 2 Sep, arriving in St Louis.Price includes taxes and charges.From 711 €, select.
Athens.717 € per passenger.Departing Tue, 6 Oct, returning Thu, 15 Oct.Return flight with Frontier Airlines and Norse Atlantic Airways.Outbound indirect flight with Frontier Airlines, departs from St Louis on Tue, 6 Oct, arriving in Athens International.Inbound indirect flight with Norse Atlantic Airways, departs from Athens International on Thu, 15 Oct, arriving in St Louis.Price includes taxes and charges.From 717 €, select.
Athens.725 € per passenger.Departing Thu, 10 Dec, returning Fri, 18 Dec.Return flight with United.Outbound indirect flight with United, departs from St Louis on Thu, 10 Dec, arriving in Athens International.Inbound indirect flight with United, departs from Athens International on Fri, 18 Dec, arriving in St Louis.Price includes taxes and charges.From 725 €, select.
Athens.725 € per passenger.Departing Sun, 31 Jan, returning Sun, 7 Feb.Return flight with United.Outbound indirect flight with United, departs from St Louis on Sun, 31 Jan, arriving in Athens International.Inbound indirect flight with United, departs from Athens International on Sun, 7 Feb, arriving in St Louis.Price includes taxes and charges.From 725 €, select.
Athens.747 € per passenger.Departing Fri, 18 Sep, returning Sun, 27 Sep.Return flight with Frontier Airlines and Transavia France.Outbound indirect flight with Frontier Airlines, departs from St Louis on Fri, 18 Sep, arriving in Athens International.Inbound indirect flight with Transavia France, departs from Athens International on Sun, 27 Sep, arriving in St Louis.Price includes taxes and charges.From 747 €, select.
Athens.775 € per passenger.Departing Thu, 20 Aug, returning Thu, 27 Aug.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from St Louis on Thu, 20 Aug, arriving in Athens International.Inbound indirect flight with Air Canada, departs from Athens International on Thu, 27 Aug, arriving in St Louis.Price includes taxes and charges.From 775 €, select.
Athens.777 € per passenger.Departing Mon, 10 Aug, returning Fri, 30 Apr.Return flight with United.Outbound indirect flight with United, departs from St Louis on Mon, 10 Aug, arriving in Athens International.Inbound indirect flight with United, departs from Athens International on Fri, 30 Apr, arriving in St Louis.Price includes taxes and charges.From 777 €, select.
Athens.792 € per passenger.Departing Tue, 18 May, returning Tue, 25 May.Return flight with British Airways.Outbound indirect flight with British Airways, departs from St Louis on Tue, 18 May, arriving in Athens International.Inbound indirect flight with British Airways, departs from Athens International on Tue, 25 May, arriving in St Louis.Price includes taxes and charges.From 792 €, select.
Athens.798 € per passenger.Departing Wed, 31 Mar, returning Thu, 15 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Wed, 31 Mar, arriving in Athens International.Inbound indirect flight with Delta, departs from Athens International on Thu, 15 Apr, arriving in St Louis.Price includes taxes and charges.From 798 €, select.
Athens.829 € per passenger.Departing Thu, 30 Jul, returning Thu, 12 Nov.Return flight with Frontier Airlines and Wizz Air Malta.Outbound indirect flight with Frontier Airlines, departs from St Louis on Thu, 30 Jul, arriving in Athens International.Inbound indirect flight with Wizz Air Malta, departs from Athens International on Thu, 12 Nov, arriving in St Louis.Price includes taxes and charges.From 829 €, select.
Athens.908 € per passenger.Departing Tue, 18 May, returning Thu, 3 Jun.Return flight with United.Outbound indirect flight with United, departs from St Louis on Tue, 18 May, arriving in Athens International.Inbound indirect flight with United, departs from Athens International on Thu, 3 Jun, arriving in St Louis.Price includes taxes and charges.From 908 €, select.
Athens.1.011 € per passenger.Departing Wed, 29 Jul, returning Wed, 5 Aug.Return flight with British Airways.Outbound indirect flight with British Airways, departs from St Louis on Wed, 29 Jul, arriving in Athens International.Inbound indirect flight with British Airways, departs from Athens International on Wed, 5 Aug, arriving in St Louis.Price includes taxes and charges.From 1.011 €, select.

Find the cheapest month to fly from St Louis to Athens International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Athens International flights are currently cheapest in November.
Jul
from 1.056 €
Aug
from 775 €
Sep
from 747 €
Oct
from 717 €
Nov
from 674 €
Dec
from 725 €
Jan
Find prices
Feb
Find prices
Mar
from 1.245 €
Apr
Find prices
May
from 792 €
Jun
from 1.021 €

St Louis to Athens International: Alternative routes

Compare routes from St Louis to Athens below. You may find an airport to fly into that's cheaper, faster, or easier than Athens International.

Athens International

20km from central Athens
ClosestCheapest
from 606 €
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St Louis to Athens: Flight information

The things to know before you go.
Cheapest flight found606 €
Cheapest month to flySeptember

Finding cheap flights from St Louis to Athens International: Frequently asked questions

The best price we found for a return flight from St Louis to Athens International is 606 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Athens International. But we found flights with one or more stops from 606 €.
As of July 2026, there are no flights flying from St Louis to Athens International.
The cheapest month to fly from St Louis to Athens International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Athens International Airport on Tuesday, 29 September 2026.
No airlines currently offer direct flights between St Louis Airport and Athens International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Athens International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Athens is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Athens International.

Flying from St Louis Airport (STL) to Athens International Airport (ATH): what you need to know

  • Athens's timezone is UTC+2, which makes Athens eight hours ahead of St Louis.

  • Leave plenty of time to catch your STL to ATH flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer queues in popular months such as July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a smart move.

  • If you want to explore another city along the way, simply uncheck 'Direct flights only' when searching for your ticket from St Louis Airport to Athens International Airport. These are the top stopovers between STL and ATH:

    • Chicago O'Hare International Airport

    • New York Newark Airport

    • Washington Dulles Airport

How to find the cheapest flights from St Louis Airport (STL) to Athens International Airport (ATH)

  • At the moment, 253 € is the lowest price we've found for a one-way St Louis Airport to Athens International Airport flight. The best price for a return plane ticket is 606 €. Bear in mind that fares could change due to availability at the time of booking.

  • It's usually best to book in advance if you want to get cheap tickets from STL to ATH. That's because flight prices are based on demand, which tends to rise closer to the date of departure.

  • If you're flexible with your travel plans, use the 'Whole month' tool. It'll find the cheapest price across every month when searching for a flight from St Louis Airport to Athens International Airport.

  • Never miss a deal on cheap flights from STL to ATH by setting up a Price Alert. You'll get an email or push notification on the app when fares go down.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from St Louis Airport to Athens International Airport.

Handy information about St Louis Airport (STL)

Arriving at Athens International Airport (ATH)

  • Consider staying in a hotel close to ATH if you're catching a late St Louis Airport to Athens International Airport flight. Choose one of these options and skip the long transfer:

  • Travel at your own speed with a Athens International Airport rental car. Pick up your wheels from Centauro, Green Motion or Surprice and discover more of Athens and beyond.

  • Reserving your ride from Athens International Airport about three weeks in advance gives you the best shot at securing a great deal.

When to fly to Athens International Airport (ATH)

  • The quietest month for a flight from St Louis Airport to Athens International Airport is March, while August is the busiest. Choose the ideal time to go to Athens based on whether you prefer a more relaxed vibe or a faster pace.

  • Before locking in your flight from St Louis Airport to Athens International Airport, think about the type of weather you like. July is the warmest month in Athens, with the temperature ranging from 22ºC (72ºF) to 37ºC (99ºF).

  • Search for cheap tickets from STL to ATH in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 4ºC (39ºF) and 14ºC (57ºF) on average.

Explore more of Greece

  • Athens is easy to fall in love with, but there are so many other corners of Greece you should also see. Around 306 kilometres north of Athens, a visit to Thessaloniki will keep you on the go. Don't miss top attractions like Church of Agia Sofia, Archaeological Museum of Thessaloniki and Alexander the Great Statue.

  • Larisa is another must-experience destination in Greece and is around 209 kilometres north-west of Athens. No trip is complete without dropping by Larissa Ancient Ruins, Municipal Art Gallery of Larissa and The Church Of St. George.

Plan the rest of your trip from St Louis to Athens

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.