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$400+ Cheap flights from St. Louis (STL) to Athens (ATH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ATH
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from St. Louis to Athens

Cheapest flights from St. Louis to Athens
Explore the most affordable flight options available from St. Louis to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Mytrip deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/14:05 pm
STL
-
ATH
2 stops16h 30m
Air Canada
Mon 3/1612:15 pm
ATH
-
STL
1 stop34h 14m
Air Canada
Deal found 1/24$468
This Mytrip deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/14:05 pm
STL
-
ATH
2 stops16h 30m
Multiple Airlines
Mon 3/161:10 pm
ATH
-
STL
2 stops33h 19m
Multiple Airlines
Deal found 1/25$476
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:25 am
STL
-
ATH
2 stops19h 40m
United Airlines
Mon 3/1612:15 pm
ATH
-
STL
2 stops42h 36m
United Airlines
Deal found 1/26$480
This Cheapflightsfares deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:49 pm
STL
-
ATH
2 stops24h 51m
Lufthansa
Mon 3/96:25 am
ATH
-
STL
2 stops24h 26m
Lufthansa
Deal found 1/26$484
This FlightHub deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:39 am
STL
-
ATH
2 stops30h 01m
Lufthansa
Tue 3/36:25 am
ATH
-
STL
2 stops25h 34m
Lufthansa
Deal found 1/25$489
This oojo deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:36 pm
STL
-
ATH
2 stops16h 14m
British Airways
Sun 3/87:50 pm
ATH
-
STL
2 stops32h 21m
British Airways
Deal found 1/24$491
This Booking.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:40 am
STL
-
ATH
2 stops19h 30m
Air Canada
Mon 3/1612:15 pm
ATH
-
STL
1 stop34h 14m
Air Canada
Deal found 1/26$492
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:41 am
STL
-
ATH
2 stops33h 14m
United Airlines
Mon 3/912:15 pm
ATH
-
STL
3 stops52h 06m
United Airlines
Deal found 1/25$495
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:05 pm
STL
-
ATH
2 stops36h 50m
Air Canada
Mon 3/912:15 pm
ATH
-
STL
1 stop34h 14m
Air Canada
Deal found 1/26$501

Find flight deals from St. Louis to Athens

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Athens (ATH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$468
(Mytrip)

One-way from

$400
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$686
Provider with most accurate pricing for Lambert-St Louis-Athens Eleftherios V. flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Athens Eleftherios V. flights.
Search Deals
From Lambert-St Louis to Athens Eleftherios V.
Search Deals
One-way flight from Lambert-St Louis to Athens Eleftherios V.
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($293 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from St. Louis to Athens that are best for you.

Fly from

St. Louis

Fly to

Athens

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 3/9

6:25 am-9:05 am

2 stops19h 40m

Athens Eleftherios V.

Mon 3/16

12:15 pm-11:51 pm

2 stops42h 36m

$480

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

8:17 am-9:05 am

2 stops17h 48m

Athens Eleftherios V.

Tue 3/17

1:10 pm-2:42 pm

2 stops32h 32m

$480

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 2/24

11:39 am-1:40 am

2 stops30h 01m

Athens Eleftherios V.

Tue 3/3

6:25 am-11:59 pm

2 stops25h 34m

$489

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

6:36 pm-6:50 pm

2 stops16h 14m

Athens Eleftherios V.

Sun 3/8

7:50 pm-11:44 pm

2 stops34h 54m

$491

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

6:25 am-1:30 pm

2 stops23h 05m

Athens Eleftherios V.

Mon 3/9

12:15 pm-9:21 am

3 stops52h 06m

$495

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

4:05 pm-12:55 pm

2 stops36h 50m

Athens Eleftherios V.

Mon 3/9

12:15 pm-3:29 pm

1 stop34h 14m

$501

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 2/24

4:30 pm-1:40 am

2 stops25h 10m

Athens Eleftherios V.

Tue 3/3

6:25 am-10:14 pm

3 stops23h 49m

$502

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/21

4:05 pm-12:25 am

2 stops24h 20m

Athens Eleftherios V.

Sat 2/28

6:30 am-10:36 am

2 stops36h 06m

$518

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 4/6

7:45 am-2:50 pm

2 stops23h 05m

Athens Eleftherios V.

Tue 4/21

10:00 pm-9:03 pm

2 stops31h 03m

$711

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 2/20

4:05 pm-4:35 pm

2 stops16h 30m

Athens Eleftherios V.

Fri 2/27

6:05 am-10:59 pm

2 stops24h 54m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 18 results
1
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Compare providers for flights from St. Louis to Athens

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Athens in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Athens flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Athens flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Athens flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Athens flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Athens flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Athens

How far ahead should I book a flight from St. Louis to Athens?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Athens. Price data was last updated on January 23, 2026.

To ensure you get the cheapest price possible for a flight from St. Louis to Athens, you should look to book at least 2 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from St. Louis to Athens?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Athens (average of $483). Flying from St. Louis to Athens in July is currently the most expensive (average of $904). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from St. Louis to Athens?

Reviews of airlines servicing Athens

Get insights into the airlines that provide service to Athens. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Athens. Reviews last updated January 26, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and Air Canada from St. Louis to Athens to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,113 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,113 reviews
Delta
7.9
Good
8,113 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,198 reviews
Delta
7.9
Good
8,113 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,656 reviews
Delta
7.9
Good
8,113 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,747 reviews
Delta
7.9
Good
8,113 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,700 reviews
Delta
7.9
Good
8,113 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Athens. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Athens?

    Airlines like United Airlines, Lufthansa, and British Airways fly from St. Louis to Athens in about 16h 14m. The time it takes to get you to your destination can typically vary by up to 13h 47m. St. Louis and Athens are separated by a distance of 5692 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from St. Louis to Athens round-trip?

    Currently priced at $483, Lufthansa will fly you from St. Louis to Athens and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and British Airways - these airlines can fly you to your destination from $520 and $553, respectively. These flights start at 48% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Athens one-way?

    One-way options have recently been found by users for as low as $488 on Air Canada. Other airlines that offer cheap prices include United Airlines from $492 and Delta from $503 one-way.

  • Can I find deals for flights from St. Louis to Athens that include hotel bookings?

    Yes. In addition to deals on St. Louis to Athens flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Athens?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Athens.

  • Can I find deals for business class flights from St. Louis to Athens?

    Yes. Cheapflights offers flight deals from St. Louis to Athens by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Athens?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Athens (average of $483). Flying from St. Louis to Athens in July is currently the most expensive (average of $904). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Athens?

Book flights to Athens if you plan to visit one of these locations
Glyfada
Piraeus
Tolo
Galaxidi

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Alternative routes for St. Louis to Athens

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Athens flights
Springfield to Athens flights

Top 7 airlines flying from St. Louis to Athens

Discover the top 7 airlines that operate flights from St. Louis to Athens. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$483Average$894FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$520Average$1,103FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$553Average$885FlexibilityNo cancel feeOn-time70%
DeltaCheapest$558Average$990FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$647Average$1,176FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$649Average$1,055FlexibilityNo cancel feeOn-time69%
KLMCheapest$653Average$1,043FlexibilityNo cancel feeOn-time75%

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