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$331+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ATH
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Athens Eleftherios V. are usually found in January or February, booked 44 days in advance, depart on a Sunday or Monday and return on a Tuesday

Find 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 October 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:43 pmSTL - ATH
2 stops22h 57mLufthansa
Wed 11/266:15 amATH - STL
1 stop15h 40mLufthansa
Deal found 10/25$436
This Booking.com deal was found by Cheapflights users on 10/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:43 pmSTL - ATH
2 stops32h 52mMultiple Airlines
Wed 11/266:15 amATH - STL
1 stop15h 40mMultiple Airlines
Deal found 10/25$486
This Air France deal was found by Cheapflights users on 10/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/94:32 pmSTL - ATH
1 stop33h 23mAir France
Tue 12/1612:50 pmATH - STL
1 stop35h 45mAir France
Deal found 10/25$490
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/1111:35 amSTL - ATH
1 stop14h 30mUnited Airlines
Wed 11/266:15 amATH - STL
1 stop15h 40mUnited Airlines
Deal found 10/25$491
This Booking.com deal was found by Cheapflights users on 10/26. 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.
Tue 11/116:43 pmSTL - ATH
2 stops32h 52mAir Canada
Wed 11/266:15 amATH - STL
2 stops41h 14mAir Canada
Deal found 10/26$493
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/108:00 amSTL - ATH
2 stops18h 05mUnited Airlines
Wed 11/266:15 amATH - STL
1 stop15h 40mUnited Airlines
Deal found 10/25$495
This Air Canada deal was found by Cheapflights users on 10/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:43 pmSTL - ATH
2 stops32h 52mAir Canada
Wed 11/266:15 amATH - STL
2 stops41h 14mAir Canada
Deal found 10/25$497
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:00 amSTL - ATH
2 stops16h 55mDelta
Tue 12/1612:50 pmATH - STL
2 stops29h 00mDelta
Deal found 10/25$503
This Air Canada deal was found by Cheapflights users on 10/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:43 pmSTL - ATH
2 stops32h 27mAir Canada
Wed 11/266:15 amATH - STL
2 stops41h 14mAir Canada
Deal found 10/25$504
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:38 pmSTL - ATH
2 stops14h 57mDelta
Fri 12/1212:50 pmATH - STL
2 stops29h 00mDelta
Deal found 10/26$506
This Air France deal was found by Cheapflights users on 10/26. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:38 pmSTL - ATH
2 stops14h 57mMultiple Airlines
Fri 12/1212:50 pmATH - STL
1 stop36h 39mMultiple Airlines
Deal found 10/26$507

Cheap 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$436
(Kiwi.com)

One-way from

$331
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$978
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. 24% potential increase in price ($334 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 27, 2025.
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

Tue 11/11

7:00 am-10:05 am

1 stop19h 05m

Athens Eleftherios V.

Wed 11/26

6:15 am-1:55 pm

1 stop15h 40m

$491

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 11/11

11:35 am-10:05 am

1 stop14h 30m

Athens Eleftherios V.

Wed 11/26

6:15 am-1:55 pm

1 stop15h 40m

$491

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 11/12

11:37 am-10:05 am

1 stop14h 28m

Athens Eleftherios V.

Wed 11/26

6:15 am-1:55 pm

1 stop15h 40m

$491

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 11/11

6:43 pm-11:35 am

2 stops32h 52m

Athens Eleftherios V.

Wed 11/26

6:15 am-3:29 pm

2 stops41h 14m

$493

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 11/9

4:05 pm-11:10 am

1 stop35h 05m

Athens Eleftherios V.

Wed 11/26

6:15 am-1:55 pm

1 stop15h 40m

$493

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/10

8:00 am-10:05 am

2 stops18h 05m

Athens Eleftherios V.

Wed 11/26

6:15 am-1:55 pm

1 stop15h 40m

$495

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 11/12

6:30 am-11:35 am

2 stops21h 05m

Athens Eleftherios V.

Wed 11/26

6:15 am-3:29 pm

2 stops41h 14m

$497

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 12/9

9:00 am-9:55 am

2 stops16h 55m

Athens Eleftherios V.

Tue 12/16

12:50 pm-9:50 am

2 stops29h 00m

$503

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 12/1

4:13 pm-6:35 pm

3 stops42h 22m

$335

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/17

11:37 am-10:05 am

1 stop14h 28m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 20 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Athens flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis to Athens, you should look to book at least 44 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, November is the cheapest month in which you can book a flight from St. Louis to Athens (average of $546). Flying from St. Louis to Athens in July is currently the most expensive (average of $902). 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.

What is the cheapest time of day to fly from STL to ATH?

Find hourly flight availability from St. Louis to Athens. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

It’s optimal to fly from St. Louis to Athens in the afternoon. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the evening.

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 October 27, 2025.
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
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,995 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,370 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,532 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,477 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 fly from St. Louis to Athens in about 14h 30m. The time it takes to get you to your destination can typically vary by up to . St. Louis and Athens are separated by a distance of 5692 mi.

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

    Currently priced at $546, 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 Scandinavian Airlines and British Airways - these airlines can fly you to your destination from $581 and $606, respectively. These flights start at 45% lower than the current average price 3 months from now.

  • 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, November is the cheapest month in which you can book a flight from St. Louis to Athens (average of $546). Flying from St. Louis to Athens in July is currently the most expensive (average of $902). 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 9 airlines flying from St. Louis to Athens

Discover the top 9 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$546Average$855FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$581Average$1,124FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$606Average$952FlexibilityNo cancel feeOn-time70%
DeltaCheapest$629Average$1,042FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$653Average$1,280FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$658Average$1,350FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$676Average$1,086FlexibilityNo cancel feeOn-time69%
KLMCheapest$737Average$999FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$739Average$1,230FlexibilityNo cancel feeOn-time67%

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