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St. Louis

$339+ Cheap flights from Southeast Europe to St. Louis (STL)

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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — STL
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheap flight deals from Southeast Europe to St. Louis

Keep the following information in mind while searching for Southeast Europe to St. Louis flight deals. Data was last updated November 4, 2025.

Round-trip from

$744
(KLM)

One-way from

$339
(Kiwi.com)
From Southeast Europe to Lambert-St Louis
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One-way flight from Southeast Europe to Lambert-St Louis
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Find flight deals from Southeast Europe to St. Louis

Cheapest flights from Southeast Europe to St. Louis
Explore the most affordable flight options available from Southeast Europe to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

This KLM deal was found by Cheapflights users on 11/3. 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.
Wed 11/196:00 amOTP - STL
2 stops18h 33mKLM
Sun 11/232:36 pmSTL - OTP
2 stops16h 49mKLM
Deal found 11/3$744
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Wed 11/196:05 amOTP - STL
1 stop15h 50mLufthansa
Sun 11/236:43 pmSTL - OTP
2 stops15h 42mLufthansa
Deal found 11/3$902
This lastminute.com deal was found by Cheapflights users on 11/4. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:30 pmSKP - STL
2 stops32h 25mLufthansa
Wed 1/76:40 pmSTL - SKP
2 stops38h 10mLufthansa
Deal found 11/4$920
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:30 amSKP - STL
2 stops26h 14mMultiple Airlines
Thu 12/412:55 pmSTL - SKP
2 stops26h 25mMultiple Airlines
Deal found 11/4$924
This Air Canada deal was found by Cheapflights users on 11/3. 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.
Wed 11/196:05 amOTP - STL
3 stops23h 35mAir Canada
Sun 11/234:05 pmSTL - OTP
2 stops18h 20mAir Canada
Deal found 11/3$927
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 11/206:00 amCLJ - STL
2 stops41h 29mUnited Airlines
Mon 11/2410:00 amSTL - CLJ
2 stops19h 40mUnited Airlines
Deal found 11/3$929
This Billigflug deal was found by Cheapflights users on 11/4. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/24:45 pmSKP - STL
1 stop28h 10mMultiple Airlines
Wed 1/79:57 amSTL - SKP
2 stops27h 28mMultiple Airlines
Deal found 11/4$940
This Lufthansa deal was found by Cheapflights users on 11/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:45 pmSKP - STL
2 stops35h 55mLufthansa
Wed 11/193:50 pmSTL - SKP
1 stop16h 45mLufthansa
Deal found 11/2$1,332
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 11/144:30 amSKP - STL
2 stops36h 37mUnited Airlines
Wed 11/1910:00 amSTL - SKP
2 stops18h 45mUnited Airlines
Deal found 11/3$1,363

Cheapflights Fare Finder

 
Customize your flight search to find flights from Southeast Europe to St. Louis 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 November 4, 2025.
Use the filters below to find and compare flights from Southeast Europe to St. Louis that are best for you.

Fly from

Southeast Europe

Fly to

St. Louis

Route

Depart

Return

Price

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 11/19

6:00 am-4:33 pm

2 stops18h 33m

Lambert-St Louis

Sun 11/23

2:36 pm-3:25 pm

2 stops16h 49m

$744

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 3/26

6:05 am-11:40 pm

2 stops24h 35m

Lambert-St Louis

Mon 3/30

10:00 am-12:10 pm

2 stops18h 10m

$780

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 11/19

6:05 am-1:55 pm

1 stop15h 50m

Lambert-St Louis

Sun 11/23

6:43 pm-6:25 pm

2 stops15h 42m

$902

SkopjeSt. Louis

SKP - STL

SKPSTL

Skopje

Tue 12/2

12:30 pm-1:55 pm

2 stops32h 25m

Lambert-St Louis

Wed 1/7

6:40 pm-3:50 pm

2 stops38h 10m

$920

SkopjeSt. Louis

SKP - STL

SKPSTL

Skopje

Tue 11/18

4:30 am-11:44 pm

2 stops26h 14m

Lambert-St Louis

Thu 12/4

12:55 pm-10:20 pm

2 stops26h 25m

$924

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 11/19

6:05 am-9:40 pm

3 stops23h 35m

Lambert-St Louis

Sun 11/23

4:05 pm-6:25 pm

2 stops18h 20m

$927

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Thu 11/20

6:00 am-3:29 pm

2 stops41h 29m

Lambert-St Louis

Mon 11/24

1:10 pm-1:40 pm

2 stops16h 30m

$929

SkopjeSt. Louis

SKP - STL

SKPSTL

Skopje

Tue 12/2

4:45 pm-1:55 pm

1 stop28h 10m

Lambert-St Louis

Wed 1/7

9:57 am-8:25 pm

2 stops27h 28m

$940

ZagrebSt. Louis

ZAG - STL

ZAGSTL

Zagreb Franjo Tuđman

Thu 1/15

6:30 am-8:45 pm

2 stops21h 15m

Lambert-St Louis

Mon 1/19

6:57 pm-2:35 pm

2 stops36h 38m

$947

SkopjeSt. Louis

SKP - STL

SKPSTL

Skopje

Sat 11/15

4:45 pm-9:40 pm

2 stops35h 55m

Lambert-St Louis

Wed 11/19

3:50 pm-3:35 pm

1 stop16h 45m

$1,332

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 13 results
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Best time to book a flight from Southeast Europe to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Southeast Europe 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 Southeast Europe to St. Louis

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

Currently, February is the cheapest month in which you can book a flight from Southeast Europe to St. Louis (average of $771). Flying from Southeast Europe to St. Louis in August is currently the most expensive (average of $1,068). 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 YMH to STL?

Find hourly flight availability from Southeast Europe to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

One of the essential ways to save on airfare from Southeast Europe to St. Louis is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated November 4, 2025.
Get a feel of what it's like to fly with KLM, United Airlines, and Lufthansa from Southeast Europe to St. Louis by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews

Comfort

7.7

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews

Comfort

7.7

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,000 reviews
KLM
7.7
Good
1,405 reviews

Comfort

7.7

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,550 reviews
KLM
7.7
Good
1,405 reviews

Comfort

7.7

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Southeast Europe to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For a flight from Southeast Europe to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

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

    A quick flight from Southeast Europe to St. Louis can take about 15h 50m. KLM provides one of the quickest options available for as low as $902. Airlines will cover a distance of 5451 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Most travelers choose Skopje - Lambert-St Louis, Cluj Napoca - Lambert-St Louis or Bucharest Otopeni Intl - Lambert-St Louis when deciding on the best route from Southeast Europe to St. Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southeast Europe to St. Louis 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 Southeast Europe to St. Louis?

    Currently, February is the cheapest month in which you can book a flight from Southeast Europe to St. Louis (average of $771). Flying from Southeast Europe to St. Louis in August is currently the most expensive (average of $1,068). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Southeast Europe to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Southeast Europe to St. Louis

Discover the top 3 airlines that operate flights from Southeast Europe to St. Louis. 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$622Average$856FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$642Average$1,044FlexibilityNo cancel feeOn-time69%
KLMCheapest$771Average$912FlexibilityNo cancel feeOn-time75%

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