Cheap flights from St Louis to Athens International

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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 round-trip flight from St Louis Airport to Athens International Airport? If you want to travel next month, round-trip fares start from $735. Find the lowest prices on one-way and round-trip tickets right here.

Athens.$605 per passenger.Departing Sun, Nov 8, returning Tue, Nov 24.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from St Louis on Sun, Nov 8, arriving in Athens International.Inbound indirect flight with Air Canada, departing from Athens International on Tue, Nov 24, arriving in St Louis.Price includes taxes and charges.From $605, select.

Athens.$673 per passenger.Departing Wed, Dec 9, returning Wed, Dec 16.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from St Louis on Wed, Dec 9, arriving in Athens International.Inbound indirect flight with Delta, departing from Athens International on Wed, Dec 16, arriving in St Louis.Price includes taxes and charges.From $673, select.

Athens.$678 per passenger.Departing Tue, Oct 27, returning Fri, Nov 6.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from St Louis on Tue, Oct 27, arriving in Athens International.Inbound indirect flight with Delta, departing from Athens International on Fri, Nov 6, arriving in St Louis.Price includes taxes and charges.From $678, select.

Athens.$693 per passenger.Departing Tue, Apr 27, returning Tue, May 4.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from St Louis on Tue, Apr 27, arriving in Athens International.Inbound indirect flight with Delta, departing from Athens International on Tue, May 4, arriving in St Louis.Price includes taxes and charges.From $693, select.

Athens.$699 per passenger.Departing Wed, May 5, returning Wed, May 12.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from St Louis on Wed, May 5, arriving in Athens International.Inbound indirect flight with British Airways, departing from Athens International on Wed, May 12, arriving in St Louis.Price includes taxes and charges.From $699, select.

Athens.$709 per passenger.Departing Fri, Feb 19, returning Fri, Feb 26.Round-trip flight with United and Lufthansa.Outbound indirect flight with United, departing from St Louis on Fri, Feb 19, arriving in Athens International.Inbound indirect flight with Lufthansa, departing from Athens International on Fri, Feb 26, arriving in St Louis.Price includes taxes and charges.From $709, select.

Athens.$718 per passenger.Departing Fri, Feb 26, returning Fri, Mar 5.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Fri, Feb 26, arriving in Athens International.Inbound indirect flight with United, departing from Athens International on Fri, Mar 5, arriving in St Louis.Price includes taxes and charges.From $718, select.

Athens.$719 per passenger.Departing Wed, Jan 20, returning Wed, Jan 27.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Wed, Jan 20, arriving in Athens International.Inbound indirect flight with United, departing from Athens International on Wed, Jan 27, arriving in St Louis.Price includes taxes and charges.From $719, select.

Athens.$719 per passenger.Departing Wed, Jan 27, returning Wed, Feb 3.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Wed, Jan 27, arriving in Athens International.Inbound indirect flight with United, departing from Athens International on Wed, Feb 3, arriving in St Louis.Price includes taxes and charges.From $719, select.

Athens.$721 per passenger.Departing Mon, Mar 22, returning Mon, Mar 29.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Mon, Mar 22, arriving in Athens International.Inbound indirect flight with United, departing from Athens International on Mon, Mar 29, arriving in St Louis.Price includes taxes and charges.From $721, select.

Athens.$725 per passenger.Departing Mon, Nov 23, returning Wed, Dec 2.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Mon, Nov 23, arriving in Athens International.Inbound indirect flight with United, departing from Athens International on Wed, Dec 2, arriving in St Louis.Price includes taxes and charges.From $725, select.

Athens.$734 per passenger.Departing Wed, Oct 14, returning Wed, Oct 21.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Wed, Oct 14, arriving in Athens International.Inbound indirect flight with United, departing from Athens International on Wed, Oct 21, arriving in St Louis.Price includes taxes and charges.From $734, select.

Athens.$764 per passenger.Departing Tue, Aug 3, returning Tue, Aug 17.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from St Louis on Tue, Aug 3, arriving in Athens International.Inbound indirect flight with Air Canada, departing from Athens International on Tue, Aug 17, arriving in St Louis.Price includes taxes and charges.From $764, select.

Athens.$771 per passenger.Departing Fri, Mar 26, returning Fri, Apr 2.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Fri, Mar 26, arriving in Athens International.Inbound indirect flight with United, departing from Athens International on Fri, Apr 2, arriving in St Louis.Price includes taxes and charges.From $771, select.

Athens.$784 per passenger.Departing Tue, Apr 6, returning Tue, Apr 13.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Tue, Apr 6, arriving in Athens International.Inbound indirect flight with United, departing from Athens International on Tue, Apr 13, arriving in St Louis.Price includes taxes and charges.From $784, select.

Athens.$1,054 per passenger.Departing Sat, Jul 24, returning Sat, Jul 31.Round-trip flight with United.Outbound indirect flight with United, departing from St Louis on Sat, Jul 24, arriving in Athens International.Inbound indirect flight with United, departing from Athens International on Sat, Jul 31, arriving in St Louis.Price includes taxes and charges.From $1,054, 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.

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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

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from $605

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St Louis to Athens: Flight information

The things to know before you go.

Cheapest flight found	$605
Cheapest month to fly	November

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

How much are round-trip flights from St Louis to Athens International?

The best price we found for a round-trip flight from St Louis to Athens International is $605. 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.

Which airlines fly direct from St Louis to Athens International?

Currently, there are no airlines that fly direct from St Louis to Athens International. But we found flights with one or more stops from $605.

How many flights are there a week from St Louis to Athens International?

There are no flights flying from St Louis to Athens International, as of September 2026.

When is the cheapest time to fly from St Louis to Athens International?

The cheapest month to fly from St Louis to Athens International is usually November.

Which upcoming date is cheapest to fly from St Louis Airport to Athens International Airport on?

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 Sunday, November 8, 2026.

Can I get a direct flight from St Louis Airport to Athens International Airport?

No airlines currently offer direct flights between St Louis Airport and Athens International Airport. Most routes have one or more stops.

How can I find the best flight deal to Athens International?

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.

When is the best time to book flights to Athens?

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.

Which is the cheapest airline to fly with from St Louis Airport to Athens International?

Currently, Air Canada 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, $336 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 $605. 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)

You'll find STL at 10701 Lambert International Blvd..
76% of flights that leave from St Louis Airport land at their destination on time.
To reach St Louis Airport from central St Louis, it takes about 25 minutes if you're planning to drive. This depends on traffic, however. It's approximately 24 kilometers from the airport to the city center.
Expect a journey time of around 30 minutes when using public transport.
Need a convenient hotel near STL? If you're catching an early flight from St Louis Airport to Athens International Airport, these accommodation options will put you moments from check-in:

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 kilometers 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 kilometers 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.