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

Currently priced at $806, United Airlines will fly you from St. Louis to Athens and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Lufthansa - these airlines can fly you to your destination from $814 and $832, respectively. These flights start at 23% 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 $468 on Scandinavian Airlines. Other airlines that offer cheap prices include United Airlines from $523 and Air Canada from $530 one-way.

What is the cheapest day to fly from St. Louis to Athens?

Travelers seeking maximum savings on their St. Louis to Athens flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from St. Louis to Athens?

American Airlines, Air Canada and British Airways are the most popular airlines when flying from St. Louis to Athens.

What is the cheapest day to fly round-trip from St. Louis to Athens?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 20% on your flight compared to booking on days when demand is much higher.

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

Users have found that booking a flight from St. Louis to Athens at least 8 days early can save you up to 83% on average compared to booking a flight this week. If booking 8 days before your flight isn’t an option for you, users have found flights from St. Louis to Athens for as little as $734 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,997 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to Athens?

Our data shows that January tends to be the cheapest month to fly to Athens from St. Louis. Users have commonly found prices around $1,055 for the month, but tickets can be as low as $683. Due to multiple factors, prepare for potentially higher prices in June.

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.

$399+ Flights from St. Louis to Athens

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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 74 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from St. Louis to Athens

Round-trip from	$806 (United Airlines)
One-way from	$399 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$1,417

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. 22% potential increase in price ($313 potential increase over avg. RT price).

Search Deals

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 June 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 June 12, 2025.

Thu 8/78:00 amSTL - ATH

2 stops20h 50mUnited Airlines

Thu 8/144:00 pmATH - STL

2 stops28h 27mUnited Airlines

Deal found 6/10

$806

Mon 9/11:30 pmSTL - ATH

1 stop12h 35mMultiple Airlines

Sun 9/77:00 amATH - STL

1 stop14h 30mMultiple Airlines

Deal found 6/9

$808

Thu 8/71:30 pmSTL - ATH

1 stop12h 35mAir Canada

Thu 8/144:00 pmATH - STL

1 stop36h 00mAir Canada

Deal found 6/10

$814

Fri 9/55:30 pmSTL - ATH

2 stops19h 40mLufthansa

Sun 9/146:35 pmATH - STL

2 stops53h 09mLufthansa

Deal found 6/10

$832

Thu 8/76:00 amSTL - ATH

1 stop20h 55mDelta

Mon 9/293:25 amATH - STL

2 stops20h 35mDelta

Deal found 6/11

$840

Fri 8/81:37 pmSTL - ATH

2 stops22h 08mIberia

Thu 8/141:00 pmATH - STL

1 stop15h 58mIberia

Deal found 6/11

$842

Fri 7/41:24 pmSTL - ATH

2 stops28h 36mBritish Airways

Tue 7/158:00 pmATH - STL

2 stops28h 47mBritish Airways

Deal found 6/10

$862

Fri 7/411:17 amSTL - ATH

2 stops17h 33mKLM

Tue 7/159:10 amATH - STL

1 stop22h 43mKLM

Deal found 6/9

$878

Fri 8/15:15 amSTL - ATH

1 stop22h 50mAmerican Airlines

Fri 8/2212:00 pmATH - STL

1 stop19h 05mAmerican Airlines

Deal found 6/11

$889

Thu 8/73:41 pmSTL - ATH

2 stops21h 04mScandinavian Airlines

Sun 8/177:40 pmATH - STL

2 stops35h 34mScandinavian Airlines

Deal found 6/10

$910

Sun 7/610:48 amSTL - ATH

1 stop15h 12mVirgin Atlantic

Mon 7/219:10 amATH - STL

1 stop22h 43mVirgin Atlantic

Deal found 6/11

$913

Wed 10/2211:51 amSTL - ATH

1 stop15h 04mAir France

Mon 11/33:35 amATH - STL

2 stops20h 25mAir France

Deal found 6/10

$930

Best flights from St. Louis to Athens
Discover carefully curated flight deals from St. Louis to Athens that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Thu 8/78:00 amSTL - ATH

2 stops20h 50mUnited Airlines

Thu 8/144:00 pmATH - STL

2 stops28h 27mUnited Airlines

Deal found 6/10

$806

Mon 9/11:30 pmSTL - ATH

1 stop12h 35mMultiple Airlines

Sun 9/77:00 amATH - STL

1 stop14h 30mMultiple Airlines

Deal found 6/9

$808

Thu 8/71:30 pmSTL - ATH

1 stop12h 35mAir Canada

Thu 8/144:00 pmATH - STL

1 stop36h 00mAir Canada

Deal found 6/10

$814

Fri 9/55:30 pmSTL - ATH

2 stops19h 40mLufthansa

Sun 9/146:35 pmATH - STL

2 stops53h 09mLufthansa

Deal found 6/10

$832

Thu 8/76:00 amSTL - ATH

1 stop20h 55mDelta

Mon 9/293:25 amATH - STL

2 stops20h 35mDelta

Deal found 6/11

$840

Fri 8/81:37 pmSTL - ATH

2 stops22h 08mIberia

Thu 8/141:00 pmATH - STL

1 stop15h 58mIberia

Deal found 6/11

$842

Fri 7/41:24 pmSTL - ATH

2 stops28h 36mBritish Airways

Tue 7/158:00 pmATH - STL

2 stops28h 47mBritish Airways

Deal found 6/10

$862

Fri 7/411:17 amSTL - ATH

2 stops17h 33mKLM

Tue 7/159:10 amATH - STL

1 stop22h 43mKLM

Deal found 6/9

$878

Fri 8/15:15 amSTL - ATH

1 stop22h 50mAmerican Airlines

Fri 8/2212:00 pmATH - STL

1 stop19h 05mAmerican Airlines

Deal found 6/11

$889

Thu 8/73:41 pmSTL - ATH

2 stops21h 04mScandinavian Airlines

Sun 8/177:40 pmATH - STL

2 stops35h 34mScandinavian Airlines

Deal found 6/10

$910

Sun 7/610:48 amSTL - ATH

1 stop15h 12mVirgin Atlantic

Mon 7/219:10 amATH - STL

1 stop22h 43mVirgin Atlantic

Deal found 6/11

$913

Fri 7/257:11 pmSTL - ATH

2 stops15h 44mAir France

Thu 7/319:10 amATH - STL

1 stop20h 32mAir France

Deal found 6/11

$1,073

Last-minute flights from St. Louis to Athens
Discover last-minute flight deals from St. Louis to Athens. Data last updated June 12, 2025 and is based on user searches.

Wed 6/181:30 pmSTL - ATH

1 stop12h 35mAir Canada

Fri 6/2712:10 pmATH - STL

1 stop16h 38mAir Canada

Deal found 6/11

$1,919

Wed 6/185:00 amSTL - ATH

2 stops21h 05mUnited Airlines

Fri 6/272:25 pmATH - STL

1 stop14h 23mUnited Airlines

Deal found 6/10

$1,924

Wed 6/189:28 amSTL - ATH

1 stop16h 32mDelta

Thu 6/263:25 amATH - STL

2 stops21h 54mDelta

Deal found 6/10

$1,960

Wed 6/188:10 amSTL - ATH

2 stops16h 45mTurkish Airlines

Thu 6/263:55 amATH - STL

2 stops18h 42mTurkish Airlines

Deal found 6/10

$2,098

Thu 6/196:36 pmSTL - ATH

3 stops33h 34mMultiple Airlines

Sun 6/229:10 amATH - STL

3 stops35h 26mMultiple Airlines

Deal found 6/11

$1,756

Thu 6/191:21 pmSTL - ATH

1 stop13h 49mBritish Airways

Tue 7/11:00 pmATH - STL

1 stop15h 19mBritish Airways

Deal found 6/11

$2,002

Fri 6/2011:20 amSTL - ATH

1 stop15h 10mLufthansa

Wed 7/26:30 amATH - STL

1 stop15h 00mLufthansa

Deal found 6/11

$1,986

Fri 6/202:15 pmSTL - ATH

2 stops15h 55mAir France

Thu 7/36:30 amATH - STL

2 stops18h 02mAir France

Deal found 6/11

$2,049

Sat 6/218:05 pmSTL - ATH

1 stop31h 05mIberia

Wed 7/211:05 amATH - STL

1 stop17h 25mIberia

Deal found 6/11

$1,941

Sun 6/295:30 pmSTL - ATH

2 stops21h 30mLufthansa

Mon 7/77:25 pmATH - STL

2 stops35h 20mLufthansa

Deal found 6/11

$935

Wed 7/26:00 amSTL - ATH

1 stop21h 10mAmerican Airlines

Fri 7/1812:00 pmATH - STL

1 stop19h 59mAmerican Airlines

Deal found 6/11

$944

Thu 7/33:20 pmSTL - ATH

2 stops21h 55mUnited Airlines

Thu 7/1012:10 pmATH - STL

2 stops36h 21mUnited Airlines

Deal found 6/10

$831

One-way flights from St. Louis to Athens
Search for one-way flight options from St. Louis to Athens. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Tue 9/97:52 pmSTL - ATH

3 stops52h 53mMultiple Airlines

Deal found 6/11

$399

Mon 8/253:42 pmSTL - ATH

2 stops37h 28mScandinavian Airlines

Deal found 6/11

$468

Mon 9/11:30 pmSTL - ATH

1 stop12h 35mUnited Airlines

Deal found 6/10

$523

Sat 8/304:00 pmSTL - ATH

1 stop35h 10mAir Canada

Deal found 6/11

$530

Sun 8/313:36 pmSTL - ATH

2 stops17h 04mDelta

Deal found 6/10

$1,079

Sat 8/167:20 amSTL - ATH

1 stop18h 50mKLM

Deal found 6/10

$1,128

Fri 8/156:49 pmSTL - ATH

2 stops16h 06mAir France

Deal found 6/10

$1,146

Sun 8/3112:20 pmSTL - ATH

2 stops18h 15mBritish Airways

Deal found 6/11

$1,290

Sun 8/313:30 pmSTL - ATH

1 stop21h 40mLufthansa

Deal found 6/10

$1,310

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Athens that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 8/7

8:00 am-12:50 pm

2 stops20h 50m

Athens Eleftherios V.

Thu 8/14

4:00 pm-12:27 pm

2 stops28h 27m

$806

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 9/1

1:30 pm-10:05 am

1 stop12h 35m

Athens Eleftherios V.

Sun 9/7

7:00 am-1:30 pm

1 stop14h 30m

$808

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 8/7

1:30 pm-10:05 am

1 stop12h 35m

Athens Eleftherios V.

Thu 8/14

4:00 pm-8:00 pm

1 stop36h 00m

$814

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 9/5

5:30 pm-9:10 pm

2 stops19h 40m

Athens Eleftherios V.

Sun 9/14

6:35 pm-3:44 pm

2 stops53h 09m

$832

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 8/7

6:00 am-10:55 am

1 stop20h 55m

Athens Eleftherios V.

Mon 9/29

3:25 am-4:00 pm

2 stops20h 35m

$840

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 8/8

1:37 pm-7:45 pm

2 stops22h 08m

Athens Eleftherios V.

Thu 8/14

1:00 pm-8:58 pm

1 stop15h 58m

$842

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 8/7

8:50 am-11:10 am

1 stop18h 20m

Athens Eleftherios V.

Wed 8/13

5:35 am-6:23 pm

2 stops20h 48m

$856

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 7/4

12:28 pm-12:40 am

2 stops28h 12m

Athens Eleftherios V.

Mon 7/14

7:30 pm-4:47 pm

2 stops29h 17m

$862

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 7/4

11:17 am-12:50 pm

2 stops17h 33m

Athens Eleftherios V.

Tue 7/15

9:10 am-11:53 pm

1 stop22h 43m

$878

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 8/7

3:41 pm-8:45 pm

2 stops21h 04m

Athens Eleftherios V.

Sun 8/17

7:40 pm-11:14 pm

2 stops35h 34m

$910

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 21 results

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?

To ensure you get the cheapest price possible for a flight from St. Louis to Athens, you should look to book at least 74 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?

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.

Rainfall in Athens by month

In terms of precipitation, rainfall in Athens ranges from 0.2 - 2.5 inches per month. December is typically the wettest month, when rainfall can reach 2.5 in. June is typically the driest time to visit Athens when rainfall is around 0.2 in.

Temperature in Athens by month

If weather is an important factor for your trip to Athens, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Athens

See what other customers who have flown with Delta, KLM and Air France from St. Louis to Athens have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

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

7,950 reviews

Delta

8.0

Very good

7,950 reviews

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!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,950 reviews

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 France

7.5

Good

1,463 reviews

Delta

8.0

Very good

7,950 reviews

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

8,790 reviews

Delta

8.0

Very good

7,950 reviews

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!

Virgin Atlantic

7.4

Good

652 reviews

Delta

8.0

Very good

7,950 reviews

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

What are the cheapest airlines flying from St. Louis to Athens round-trip?
Currently priced at $806, United Airlines will fly you from St. Louis to Athens and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Lufthansa - these airlines can fly you to your destination from $814 and $832, respectively. These flights start at 23% 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 $468 on Scandinavian Airlines. Other airlines that offer cheap prices include United Airlines from $523 and Air Canada from $530 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 $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

Glyfada

Piraeus

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Ambelokipi car rentals

Top 9 airlines flying from St. Louis to Athens

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$581	Average$1,086	FlexibilityNo cancel fee	On-time77%
Virgin Atlantic	Cheapest$653	Average$1,280	FlexibilityNo cancel fee	On-time72%
KLM	Cheapest$653	Average$1,043	FlexibilityNo cancel fee	On-time75%
British Airways	Cheapest$653	Average$1,148	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$683	Average$1,160	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$717	Average$1,091	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$754	Average$1,280	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$757	Average$1,221	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$839	Average$1,289	FlexibilityNo cancel fee	On-time67%

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$399+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Athens with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Athens Eleftherios V. are usually found in January or February, booked 74 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from St. Louis to Athens

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Athens

Cheapest flights from St. Louis to AthensExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Athens that are best for you.

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.

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 June 9, 2025.

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

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 June 12, 2025.

Rainfall in Athens by month

Plan your trip to Athens by taking into account the average rainfall totals by month.

Temperature in Athens by month

Plan your trip to Athens by taking into account the average temperature totals by month.

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 June 12, 2025.

See what other customers who have flown with Delta, KLM and Air France from St. Louis to Athens have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

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

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

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Alternative routes for St. Louis to Athens

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Top 9 airlines flying from St. Louis to Athens

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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 June 12, 2025.