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$272+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ATH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 49 days in advance, depart on a Sunday or Monday and return on a Tuesday

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 September 11, 2025.

Round-trip from

$529
(Delta)

One-way from

$272
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,074
From Lambert-St Louis to Athens Eleftherios V.
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One-way flight from Lambert-St Louis to Athens Eleftherios V.
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Highest demand for flights based on searches. 24% potential increase in price ($327 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 9/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/201:30 pmSTL - ATH
2 stops21h 20mScandinavian Airlines
Wed 11/57:30 pmATH - STL
2 stops34h 08mScandinavian Airlines
Deal found 9/8$518
This Air Canada deal was found by Cheapflights users on 9/8. 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 10/195:00 amSTL - ATH
2 stops21h 05mAir Canada
Fri 11/711:55 amATH - STL
2 stops59h 34mAir Canada
Deal found 9/8$534
This Air Canada deal was found by Cheapflights users on 9/8. 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.
Mon 10/209:15 amSTL - ATH
1 stop17h 55mAir Canada
Fri 11/711:55 amATH - STL
2 stops59h 34mAir Canada
Deal found 9/8$536
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/211:05 pmSTL - ATH
1 stop12h 50mUnited Airlines
Fri 11/76:05 amATH - STL
1 stop15h 50mUnited Airlines
Deal found 9/8$538
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 10/199:15 amSTL - ATH
1 stop17h 55mUnited Airlines
Fri 11/76:05 amATH - STL
1 stop15h 50mUnited Airlines
Deal found 9/8$540
This Air Canada deal was found by Cheapflights users on 9/8. 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 10/195:00 amSTL - ATH
2 stops21h 05mAir Canada
Thu 11/67:05 amATH - STL
2 stops40h 24mAir Canada
Deal found 9/8$551
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/211:05 pmSTL - ATH
1 stop12h 50mUnited Airlines
Wed 11/52:20 pmATH - STL
2 stops33h 26mUnited Airlines
Deal found 9/8$553
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 10/199:15 amSTL - ATH
1 stop17h 55mUnited Airlines
Wed 11/52:20 pmATH - STL
2 stops33h 26mUnited Airlines
Deal found 9/8$555
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/211:05 pmSTL - ATH
1 stop12h 50mUnited Airlines
Thu 11/62:10 pmATH - STL
1 stop31h 45mUnited Airlines
Deal found 9/8$557
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/221:05 pmSTL - ATH
1 stop12h 50mUnited Airlines
Tue 11/41:25 pmATH - STL
2 stops36h 14mUnited Airlines
Deal found 9/9$558
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 10/199:15 amSTL - ATH
1 stop17h 55mUnited Airlines
Thu 11/62:10 pmATH - STL
1 stop31h 45mUnited Airlines
Deal found 9/8$559
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:05 pmSTL - ATH
1 stop12h 50mLufthansa
Tue 11/46:50 pmATH - STL
2 stops27h 05mLufthansa
Deal found 9/8$560

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 September 11, 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 10/21

1:05 pm-9:55 am

1 stop12h 50m

Athens Eleftherios V.

Wed 11/5

2:20 pm-3:46 pm

2 stops33h 26m

$553

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 10/19

9:15 am-11:10 am

1 stop17h 55m

Athens Eleftherios V.

Thu 11/6

2:10 pm-1:55 pm

1 stop31h 45m

$559

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 10/22

6:00 am-10:05 am

2 stops20h 05m

Athens Eleftherios V.

Tue 11/4

7:05 am-5:39 pm

2 stops42h 34m

$560

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 10/22

9:10 am-10:55 am

1 stop17h 45m

Athens Eleftherios V.

Mon 11/3

3:25 am-4:10 pm

2 stops20h 45m

$566

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 10/21

6:00 am-7:00 am

2 stops17h 00m

Athens Eleftherios V.

Mon 11/3

3:35 am-6:02 pm

2 stops22h 27m

$570

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 10/24

9:15 am-11:10 am

1 stop17h 55m

Athens Eleftherios V.

Fri 11/7

6:05 am-1:55 pm

1 stop15h 50m

$590

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 10/23

8:05 am-9:55 am

1 stop17h 50m

Athens Eleftherios V.

Wed 11/5

2:20 pm-3:46 pm

2 stops33h 26m

$603

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 10/4

4:58 pm-10:35 pm

3 stops45h 37m

$297

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 10/9

10:57 am-12:05 am

3 stops29h 08m

$314

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 10/2

10:49 am-6:15 am

3 stops35h 26m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
1
2

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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis to Athens, you should look to book at least 49 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 $679). Flying from St. Louis to Athens in June is currently the most expensive (average of $1,284). 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 September 11, 2025.

It’s optimal to fly from St. Louis to Athens in the afternoon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight at noon.

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 September 11, 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
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 and Delta fly from St. Louis to Athens in about 12h 50m. The time it takes to get you to your destination can typically vary by up to 4h 55m. 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 $581, Scandinavian Airlines will fly you from St. Louis to Athens and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Lufthansa - these airlines can fly you to your destination from $647 and $649, respectively. These flights start at 43% 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 $679). Flying from St. Louis to Athens in June is currently the most expensive (average of $1,284). 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

Browse thousands of different options on Cheapflights for your next trip

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$581Average$1,086FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$647Average$1,021FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$649Average$1,080FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$653Average$1,280FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$692Average$1,107FlexibilityNo cancel feeOn-time69%
DeltaCheapest$694Average$991FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$737Average$999FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$750Average$1,225FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$757Average$1,280FlexibilityNo cancel feeOn-time71%

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