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Athens

$447+ Cheap flights from St. Louis (STL) to Athens (ATH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ATH
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Athens Eleftherios V. are usually found in November or February, booked 2 days in advance, depart on a Sunday or Monday and return on a Tuesday

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 diciembre 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
mié. 12/246:35 pmSTL - ATH
2 stops23h 05mLufthansa
mié. 12/316:35 amATH - STL
2 stops23h 08mLufthansa
Deal found 12/10$1,288
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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.
jue. 12/1112:55 pmSTL - ATH
2 stops19h 20mLufthansa
jue. 12/186:00 amATH - STL
2 stops18h 27mLufthansa
Deal found 12/10$1,427
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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.
lun. 12/1511:50 amSTL - ATH
2 stops16h 10mLufthansa
mié. 12/176:15 amATH - STL
1 stop15h 40mLufthansa
Deal found 12/11$1,502
This KLM deal was found by Cheapflights users on 12/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/114:32 pmSTL - ATH
1 stop33h 23mKLM
jue. 12/186:05 amATH - STL
2 stops18h 44mKLM
Deal found 12/10$1,522
This United Airlines deal was found by Cheapflights users on 12/11. 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.
mié. 12/249:00 amSTL - ATH
2 stops31h 25mUnited Airlines
mié. 12/316:15 amATH - STL
1 stop15h 40mUnited Airlines
Deal found 12/11$1,540
This FlightHub deal was found by Cheapflights users on 12/11. 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.
lun. 12/151:00 pmSTL - ATH
2 stops15h 40mMultiple Airlines
mié. 12/176:15 amATH - STL
1 stop15h 40mMultiple Airlines
Deal found 12/11$1,548
This Air Canada deal was found by Cheapflights users on 12/11. 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.
lun. 12/154:05 pmSTL - ATH
2 stops16h 35mAir Canada
mié. 12/178:30 amATH - STL
3 stops21h 10mAir Canada
Deal found 12/11$1,839

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$447
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$801
Provider with most accurate pricing for Lambert-St Louis-Athens Eleftherios V. flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Athens Eleftherios V. flights.
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From Lambert-St Louis to Athens Eleftherios V.
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($274 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 diciembre 12, 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

sáb. 2/28

3:36 pm-6:50 pm

2 stops19h 14m

Athens Eleftherios V.

dom. 3/8

2:50 pm-11:52 pm

2 stops40h 02m

$490

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mié. 3/18

4:05 pm-9:20 am

1 stop34h 15m

Athens Eleftherios V.

lun. 3/23

11:25 am-2:45 pm

2 stops34h 20m

$496

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

sáb. 1/10

12:06 pm-3:50 pm

2 stops19h 44m

Athens Eleftherios V.

sáb. 1/17

7:15 am-10:44 pm

2 stops23h 29m

$500

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mié. 1/28

3:50 pm-4:35 pm

1 stop16h 45m

Athens Eleftherios V.

dom. 2/1

6:15 am-10:58 pm

2 stops24h 43m

$509

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mié. 3/18

5:59 pm-1:35 pm

2 stops36h 36m

Athens Eleftherios V.

lun. 3/23

11:50 am-8:44 am

1 stop27h 54m

$584

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

mar. 3/17

6:32 am-4:35 pm

2 stops27h 03m

Athens Eleftherios V.

lun. 3/23

11:50 am-8:44 am

1 stop27h 54m

$590

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

lun. 3/9

4:05 pm-9:20 am

1 stop34h 15m

Athens Eleftherios V.

mié. 3/18

6:15 am-2:55 pm

1 stop15h 40m

$631

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

sáb. 2/28

11:39 am-12:40 pm

2 stops17h 01m

Athens Eleftherios V.

dom. 3/8

6:15 am-1:55 pm

1 stop15h 40m

$640

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

sáb. 1/10

4:05 pm-3:50 am

2 stops27h 45m

Athens Eleftherios V.

sáb. 1/17

6:35 am-9:13 pm

3 stops22h 38m

$700

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

lun. 4/6

3:23 pm-8:30 pm

2 stops21h 07m

Athens Eleftherios V.

lun. 4/20

3:55 am-9:03 pm

2 stops25h 08m

$774

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 11 results
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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 December.
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

*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 December 5, 2025.

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, November is the cheapest month in which you can book a flight from St. Louis to Athens (average of $502). Flying from St. Louis to Athens in July is currently the most expensive (average of $897). 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 diciembre 12, 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.

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 diciembre 12, 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
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
9,095 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
10,516 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
7,626 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
7,571 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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 British Airways, United Airlines, and American Airlines fly from St. Louis to Athens in about 19h 14m. The time it takes to get you to your destination can typically vary by up to 15h 01m. 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 $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 British Airways and Scandinavian Airlines - these airlines can fly you to your destination from $553 and $581, respectively. These flights start at 43% 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 British Airways from $525 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, November is the cheapest month in which you can book a flight from St. Louis to Athens (average of $502). Flying from St. Louis to Athens in July is currently the most expensive (average of $897). 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 8 airlines flying from St. Louis to Athens

Discover the top 8 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$546Average$866FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$553Average$899FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$581Average$1,124FlexibilityNo cancel feeOn-time77%
DeltaCheapest$608Average$1,052FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$618Average$1,220FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$654Average$1,069FlexibilityNo cancel feeOn-time69%
KLMCheapest$737Average$999FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$739Average$1,226FlexibilityNo cancel feeOn-time67%

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