How long is the flight from St. Louis to Southeast Europe?

A quick flight from St. Louis to Southeast Europe can take about 14h 20m. British Airways provides one of the quickest options available for as low as $494. The distance from St. Louis to Southeast Europe is about 5451 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

One-way options have recently been found by users for as low as $435 on Lufthansa. Other airlines that offer cheap prices include Air Canada from $488 and United Airlines from $492 one-way.

In terms of precipitation, rainfall in Southeast Europe 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 Southeast Europe when rainfall is around 0.2 in.

If weather is an important factor for your trip to Southeast Europe, 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).

What are the most popular routes from St. Louis to Southeast Europe?

The most popular flight routes from St. Louis to Southeast Europe are Lambert-St Louis - Athens Eleftherios V., Lambert-St Louis - Zagreb Franjo Tuđman and Lambert-St Louis - Belgrade Nikola Tesla.

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

Lufthansa, United Airlines and Air Canada are the most popular airlines when flying from St. Louis to Southeast Europe.

What airport do you fly from for flights from St. Louis to Southeast Europe?

If you book a flight to Southeast Europe from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

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

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

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

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

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

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

$435+ Flights from St. Louis to Southeast Europe

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Cheap flight deals from St. Louis to Southeast Europe

Cheapest flights from St. Louis to Southeast Europe
Explore the most affordable flight options available from St. Louis to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Mon 12/296:35 pmSTL - PRN

2 stops37h 10mMultiple Airlines

Fri 1/238:45 pmPRN - STL

2 stops29h 42mMultiple Airlines

Deal found 12/16

$944

Tue 12/304:05 pmSTL - ZAG

2 stops20h 10mMultiple Airlines

Tue 1/275:45 pmZAG - STL

3 stops27h 10mMultiple Airlines

Deal found 12/17

$1,154

Mon 12/296:35 pmSTL - PRN

2 stops42h 10mTurkish Airlines

Fri 1/238:35 pmPRN - STL

2 stops31h 38mTurkish Airlines

Deal found 12/16

$1,369

Wed 12/243:50 pmSTL - ATH

1 stop13h 30mLufthansa

Wed 12/316:35 amATH - STL

2 stops23h 08mLufthansa

Deal found 12/16

$1,439

Sun 12/284:05 pmSTL - ZAG

2 stops24h 05mMultiple Airlines

Sat 1/172:45 pmZAG - STL

2 stops31h 44mMultiple Airlines

Deal found 12/17

$1,544

Sun 12/286:35 pmSTL - ZAG

2 stops20h 45mLufthansa

Thu 1/159:05 amZAG - STL

2 stops20h 53mLufthansa

Deal found 12/16

$1,551

Sun 12/283:50 pmSTL - ZAG

1 stop15h 10mLufthansa

Sat 1/172:35 pmZAG - STL

1 stop30h 20mLufthansa

Deal found 12/17

$1,580

Sun 12/283:50 pmSTL - SJJ

1 stop14h 00mLufthansa

Sun 1/1111:10 amSJJ - STL

2 stops43h 49mLufthansa

Deal found 12/16

$1,588

Wed 12/173:50 pmSTL - ATH

1 stop16h 45mLufthansa

Sun 1/256:15 amATH - STL

1 stop15h 40mLufthansa

Deal found 12/17

$1,617

Fri 12/263:50 pmSTL - OTP

1 stop14h 20mLufthansa

Wed 12/316:05 amOTP - STL

1 stop15h 50mLufthansa

Deal found 12/17

$1,670

Wed 12/246:35 pmSTL - ZAG

2 stops14h 20mLufthansa

Tue 1/66:55 amZAG - STL

2 stops24h 04mLufthansa

Deal found 12/16

$1,684

Sat 12/276:35 pmSTL - SJJ

2 stops35h 15mLufthansa

Sat 1/1011:35 amSJJ - STL

2 stops35h 28mLufthansa

Deal found 12/16

$1,692

Best flights from St. Louis to Southeast Europe
Discover carefully curated flight deals from St. Louis to Southeast Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Sat 2/2812:00 pmSTL - ATH

2 stops22h 50mBritish Airways

Sun 3/88:00 amATH - STL

2 stops22h 52mBritish Airways

Deal found 12/17

$490

Fri 1/303:50 pmSTL - OTP

1 stop14h 20mLufthansa

Fri 2/65:55 amOTP - STL

2 stops26h 04mLufthansa

Deal found 12/15

$494

Thu 1/2910:19 amSTL - ATH

2 stops19h 16mDelta

Sat 2/76:05 amATH - STL

2 stops25h 20mDelta

Deal found 12/16

$501

Mon 4/274:00 pmSTL - TIA

2 stops20h 35mKLM

Mon 5/118:15 pmTIA - STL

2 stops27h 30mKLM

Deal found 12/16

$545

Fri 1/303:50 pmSTL - OTP

1 stop14h 20mUnited Airlines

Tue 2/35:55 amOTP - STL

2 stops41h 20mUnited Airlines

Deal found 12/16

$555

Tue 3/35:50 pmSTL - ZAG

2 stops13h 45mMultiple Airlines

Tue 3/108:25 amZAG - STL

2 stops18h 45mMultiple Airlines

Deal found 12/15

$561

Tue 1/279:45 amSTL - ATH

2 stops19h 50mDelta

Sat 2/76:05 amATH - STL

2 stops22h 38mDelta

Deal found 12/16

$501

Sat 1/3111:05 amSTL - TIA

2 stops42h 10mBritish Airways

Sat 2/712:50 pmTIA - STL

2 stops39h 25mBritish Airways

Deal found 12/17

$528

Fri 2/204:05 pmSTL - SPU

2 stops17h 15mAir Canada

Fri 2/277:30 amSPU - STL

3 stops20h 35mAir Canada

Deal found 12/16

$1,075

Wed 1/146:40 pmSTL - BEG

2 stops15h 25mLufthansa

Wed 1/211:30 pmBEG - STL

2 stops17h 29mLufthansa

Deal found 12/16

$547

Sat 5/25:00 pmSTL - TIA

2 stops43h 20mKLM

Mon 5/118:15 pmTIA - STL

2 stops29h 57mKLM

Deal found 12/16

$551

Thu 1/299:59 amSTL - ATH

2 stops19h 36mDelta

Mon 2/26:05 amATH - STL

2 stops25h 20mDelta

Deal found 12/16

$501

Sat 1/3111:23 amSTL - ZAG

2 stops18h 52mMultiple Airlines

Sat 2/78:25 amZAG - STL

2 stops19h 18mMultiple Airlines

Deal found 12/17

$561

Sat 1/178:05 amSTL - SJJ

2 stops19h 25mUnited Airlines

Mon 2/21:35 pmSJJ - STL

2 stops27h 38mUnited Airlines

Deal found 12/16

$562

Wed 1/216:00 amSTL - TIA

2 stops23h 25mBritish Airways

Wed 2/111:15 pmTIA - STL

2 stops41h 13mBritish Airways

Deal found 12/16

$528

Tue 3/31:11 pmSTL - ZAG

2 stops26h 09mLufthansa

Tue 3/109:05 amZAG - STL

2 stops19h 54mLufthansa

Deal found 12/16

$547

Mon 1/2610:19 amSTL - ATH

2 stops19h 16mDelta

Sun 2/16:05 amATH - STL

2 stops22h 38mDelta

Deal found 12/16

$501

Sat 1/1712:44 pmSTL - SJJ

2 stops14h 46mUnited Airlines

Sat 1/3111:35 amSJJ - STL

2 stops29h 38mUnited Airlines

Deal found 12/16

$562

Sat 1/3110:19 amSTL - BEG

2 stops18h 36mKLM

Sat 2/76:05 amBEG - STL

2 stops21h 38mKLM

Deal found 12/17

$564

Tue 4/149:15 amSTL - TIA

2 stops31h 20mBritish Airways

Tue 4/288:30 amTIA - STL

2 stops21h 54mBritish Airways

Deal found 12/17

$528

Mon 6/83:42 pmSTL - SPU

2 stops36h 28mScandinavian Airlines

Thu 7/29:05 amSPU - STL

2 stops21h 33mScandinavian Airlines

Deal found 12/16

$1,324

Wed 1/213:50 pmSTL - TIA

1 stop16h 10mLufthansa

Wed 2/116:05 amTIA - STL

2 stops24h 54mLufthansa

Deal found 12/16

$549

Sun 1/259:59 amSTL - ATH

2 stops19h 36mDelta

Mon 2/26:05 amATH - STL

2 stops25h 20mDelta

Deal found 12/16

$501

Sun 1/183:50 pmSTL - SJJ

1 stop14h 00mUnited Airlines

Sat 1/3111:35 amSJJ - STL

2 stops29h 38mUnited Airlines

Deal found 12/16

$562

Fri 1/3012:11 pmSTL - OTP

2 stops27h 14mBritish Airways

Fri 2/64:45 pmOTP - STL

2 stops33h 28mBritish Airways

Deal found 12/15

$537

Fri 5/110:45 amSTL - TIA

2 stops20h 45mKLM

Mon 5/118:15 pmTIA - STL

2 stops27h 34mKLM

Deal found 12/16

$595

Sun 1/259:45 amSTL - ATH

2 stops19h 50mDelta

Sun 2/16:05 amATH - STL

2 stops22h 38mDelta

Deal found 12/16

$501

Sun 1/183:50 pmSTL - SJJ

1 stop14h 00mUnited Airlines

Mon 2/21:35 pmSJJ - STL

2 stops36h 52mUnited Airlines

Deal found 12/16

$562

Fri 2/201:11 pmSTL - SPU

2 stops17h 34mLufthansa

Fri 2/272:40 pmSPU - STL

2 stops34h 04mLufthansa

Deal found 12/16

$564

Wed 1/283:50 pmSTL - PRN

2 stops36h 45mMultiple Airlines

Sat 2/219:40 amPRN - STL

2 stops18h 25mMultiple Airlines

Deal found 12/16

$719

Last-minute flights from St. Louis to Southeast Europe
Discover last-minute flight deals from St. Louis to Southeast Europe. Data last updated December 18, 2025 and is based on user searches.

Wed 1/143:50 pmSTL - ATH

1 stop16h 45mLufthansa

Wed 1/216:15 amATH - STL

2 stops21h 12mLufthansa

Deal found 12/15

$445

Fri 1/163:50 pmSTL - ATH

1 stop16h 45mLufthansa

Fri 1/236:05 amATH - STL

1 stop15h 50mLufthansa

Deal found 12/17

$456

Fri 1/166:00 amSTL - ATH

2 stops25h 55mBritish Airways

Fri 1/237:45 amATH - STL

2 stops22h 59mBritish Airways

Deal found 12/17

$490

Fri 1/164:05 pmSTL - SJJ

2 stops14h 50mMultiple Airlines

Thu 1/2912:35 pmSJJ - STL

2 stops33h 54mMultiple Airlines

Deal found 12/17

$536

Wed 1/216:00 amSTL - TIA

2 stops23h 25mBritish Airways

Wed 2/111:15 pmTIA - STL

2 stops41h 13mBritish Airways

Deal found 12/18

$528

Sat 1/2412:44 pmSTL - ATH

2 stops15h 16mLufthansa

Sat 1/316:35 amATH - STL

2 stops20h 52mLufthansa

Deal found 12/16

$483

Sun 1/259:59 amSTL - ATH

2 stops19h 36mDelta

Fri 2/66:05 amATH - STL

2 stops25h 18mDelta

Deal found 12/16

$501

Sun 1/253:50 pmSTL - ATH

1 stop13h 35mUnited Airlines

Thu 2/56:25 amATH - STL

2 stops41h 04mUnited Airlines

Deal found 12/16

$506

Tue 1/276:40 pmSTL - ATH

2 stops23h 00mLufthansa

Thu 2/58:20 amATH - STL

2 stops23h 39mLufthansa

Deal found 12/16

$487

Wed 1/2811:22 amSTL - ATH

2 stops17h 58mLufthansa

Thu 2/56:25 amATH - STL

2 stops25h 34mLufthansa

Deal found 12/16

$499

Fri 1/303:50 pmSTL - OTP

1 stop14h 20mLufthansa

Fri 2/65:55 amOTP - STL

2 stops26h 04mLufthansa

Deal found 12/15

$494

Fri 1/303:50 pmSTL - ATH

1 stop13h 50mMultiple Airlines

Fri 2/66:05 amATH - STL

2 stops41h 24mMultiple Airlines

Deal found 12/16

$507

One-way flights from St. Louis to Southeast Europe
Search for one-way flight options from St. Louis to Southeast Europe. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Wed 1/2811:22 amSTL - SJJ

2 stops17h 33mLufthansa

Deal found 12/17

$435

Thu 1/1511:05 amSTL - OTP

2 stops20h 40mAmerican Airlines

Deal found 12/16

$439

Thu 1/155:11 pmSTL - OTP

3 stops48h 09mMultiple Airlines

Deal found 12/16

$441

Mon 3/307:52 amSTL - ATH

3 stops30h 43mMultiple Airlines

Deal found 12/17

$449

Wed 3/43:50 pmSTL - SJJ

3 stops39h 35mMultiple Airlines

Deal found 12/17

$457

Wed 3/43:50 pmSTL - SJJ

1 stop13h 05mLufthansa

Deal found 12/17

$458

Wed 3/43:50 pmSTL - SJJ

1 stop13h 05mUnited Airlines

Deal found 12/17

$464

Wed 1/288:22 pmSTL - SJJ

3 stops34h 33mMultiple Airlines

Deal found 12/17

$465

Fri 5/110:00 pmSTL - OTP

1 stop17h 50mBritish Airways

Deal found 12/16

$475

Mon 3/3010:02 amSTL - ATH

1 stop16h 58mKLM

Deal found 12/17

$683

Fri 6/123:42 pmSTL - ATH

2 stops20h 33mScandinavian Airlines

Deal found 12/17

$922

Fri 6/126:49 pmSTL - ATH

1 stop31h 46mLufthansa

Deal found 12/17

$981

Find flight deals from St. Louis to Southeast Europe

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$445 (Kiwi.com)
One-way from	$435 (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.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Athens Eleftherios V. flights.

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From Lambert-St Louis to Southeast Europe

Search Deals

One-way flight from Lambert-St Louis to Southeast Europe

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($274 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

12:00 pm-6:50 pm

2 stops22h 50m

Athens Eleftherios V.

Sun 3/8

8:00 am-10:52 pm

2 stops22h 52m

$490

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Fri 1/30

3:50 pm-2:10 pm

1 stop14h 20m

Bucharest Otopeni Intl

Fri 2/6

5:55 am-11:59 pm

2 stops26h 04m

$494

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 1/29

10:19 am-1:35 pm

2 stops19h 16m

Athens Eleftherios V.

Sat 2/7

6:05 am-11:25 pm

2 stops25h 20m

$501

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 1/27

9:45 am-1:35 pm

2 stops19h 50m

Athens Eleftherios V.

Sat 2/7

6:05 am-8:43 pm

2 stops22h 38m

$501

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 1/29

9:59 am-1:35 pm

2 stops19h 36m

Athens Eleftherios V.

Mon 2/2

6:05 am-11:25 pm

2 stops25h 20m

$501

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 1/26

10:19 am-1:35 pm

2 stops19h 16m

Athens Eleftherios V.

Sun 2/1

6:05 am-8:43 pm

2 stops22h 38m

$501

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 1/25

9:59 am-1:35 pm

2 stops19h 36m

Athens Eleftherios V.

Mon 2/2

6:05 am-11:25 pm

2 stops25h 20m

$501

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 1/25

9:45 am-1:35 pm

2 stops19h 50m

Athens Eleftherios V.

Sun 2/1

6:05 am-8:43 pm

2 stops22h 38m

$501

St. LouisTirana

STL - TIA

STLTIA

Lambert-St Louis

Sat 1/31

11:05 am-12:15 pm

2 stops42h 10m

Tirana Rinas

Sat 2/7

12:50 pm-9:15 pm

2 stops39h 25m

$528

St. LouisTirana

STL - TIA

STLTIA

Lambert-St Louis

Wed 1/21

6:00 am-12:25 pm

2 stops23h 25m

Tirana Rinas

Wed 2/11

1:15 pm-11:28 pm

2 stops41h 13m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 47 results

...

Best time to book a flight from St. Louis to Southeast Europe

Have a flexible travel schedule? Discover the best time to fly to Southeast Europe 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 Southeast Europe

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Southeast Europe (average of $502). Flying from St. Louis to Southeast Europe in June is currently the most expensive (average of $876). 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 YMH?

It’s typically best to fly out from St. Louis to Southeast Europe in the evening. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

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

Travelers seeking maximum savings on their St. Louis to Southeast Europe flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Southeast Europe

See what other customers who have flown with Delta, KLM, and United Airlines from St. Louis to Southeast Europe have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,006 reviews

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

8,006 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

KLM

7.7

Good

1,430 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,091 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,534 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Lufthansa

6.8

Okay

7,634 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

What airport do you fly from for flights from St. Louis to Southeast Europe?
If you book a flight to Southeast Europe from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.
How long is the flight from St. Louis to Southeast Europe?
A quick flight from St. Louis to Southeast Europe can take about 14h 20m. British Airways provides one of the quickest options available for as low as $494. The distance from St. Louis to Southeast Europe is about 5451 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from St. Louis to Southeast Europe one-way?
One-way options have recently been found by users for as low as $435 on Lufthansa. Other airlines that offer cheap prices include Air Canada from $488 and United Airlines from $492 one-way.
What are the most popular routes from St. Louis to Southeast Europe?
The most popular flight routes from St. Louis to Southeast Europe are Lambert-St Louis - Athens Eleftherios V., Lambert-St Louis - Zagreb Franjo Tuđman and Lambert-St Louis - Belgrade Nikola Tesla.
Can I find deals for flights from St. Louis to Southeast Europe that include hotel bookings?
Yes. In addition to deals on St. Louis to Southeast Europe flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Southeast Europe?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Southeast Europe.
Can I find deals for business class flights from St. Louis to Southeast Europe?
Yes. Cheapflights offers flight deals from St. Louis to Southeast Europe 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 Southeast Europe?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Southeast Europe (average of $502). Flying from St. Louis to Southeast Europe in June is currently the most expensive (average of $876). 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

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from St. Louis to Southeast Europe

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$520	Average$1,192	FlexibilityNo cancel fee	On-time71%
Lufthansa	Cheapest$546	Average$1,148	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$553	Average$899	FlexibilityNo cancel fee	On-time70%
Air Canada	Cheapest$574	Average$1,142	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$608	Average$986	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$647	Average$957	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$671	Average$975	FlexibilityNo cancel fee	On-time75%

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$435+ Cheap flights from St. Louis (STL) to Southeast Europe

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from St. Louis to Southeast Europe

Cheapest flights from St. Louis to Southeast EuropeExplore the most affordable flight options available from St. Louis to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from St. Louis to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from St. Louis to Southeast Europe

Keep the following information in mind while searching for St. Louis to Southeast Europe flight deals. Data was last updated December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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Best time to book a flight from St. Louis to Southeast Europe

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

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

Find hourly flight availability from St. Louis to Southeast Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Southeast Europe. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Southeast Europe

See what other customers who have flown with Delta, KLM, and United Airlines from St. Louis to Southeast Europe have to say. Users have also rated airlines in terms of 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 Southeast Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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Alternative routes for St. Louis to Southeast Europe

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Top 7 airlines flying from St. Louis to Southeast Europe

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Cheapest flights from St. Louis to Southeast Europe
Explore the most affordable flight options available from St. Louis to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.