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$564+ Cheap flights from Basel EuroAirport Swiss (BSL) to St. Louis (STL)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Basel to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Basel (BSL) to St. Louis (STL). 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

$564
(British Airways)
From Basel EuroAirport Swiss to Lambert-St Louis
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Find flight deals from Basel to St. Louis

Cheapest flights from Basel to St. Louis
Explore the most affordable flight options available from Basel to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:15 pmBSL - STL
2 stops18h 38mAmerican Airlines
Mon 9/2912:28 pmSTL - BSL
2 stops15h 32mAmerican Airlines
Deal found 9/9$574
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/251:50 pmBSL - STL
2 stops16h 34mDelta
Mon 9/292:15 pmSTL - BSL
2 stops15h 55mDelta
Deal found 9/10$651
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:00 amBSL - STL
2 stops17h 04mBritish Airways
Fri 10/3112:51 pmSTL - BSL
2 stops39h 24mBritish Airways
Deal found 9/10$652
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:15 pmBSL - STL
2 stops32h 03mMultiple Airlines
Fri 10/314:50 pmSTL - BSL
1 stop11h 15mMultiple Airlines
Deal found 9/10$746
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:05 amBSL - STL
1 stop14h 25mLufthansa
Fri 10/314:50 pmSTL - BSL
1 stop11h 15mLufthansa
Deal found 9/10$873
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:30 pmBSL - STL
1 stop26h 00mLufthansa
Mon 9/2912:25 pmSTL - BSL
2 stops13h 45mLufthansa
Deal found 9/9$1,855
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:10 pmBSL - STL
3 stops24h 20mMultiple Airlines
Mon 9/291:30 pmSTL - BSL
2 stops14h 20mMultiple Airlines
Deal found 9/9$2,098

Cheapflights Fare Finder

 
Customize your flight search to find flights from Basel 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 September 11, 2025.
Use the filters below to find and compare flights from Basel EuroAirport Swiss to St. Louis that are best for you.

Fly from

Basel

Fly to

St. Louis

Route

Depart

Return

Price

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Thu 2/19

6:05 am-8:18 pm

2 stops21h 13m

Lambert-St Louis

Mon 2/23

4:04 pm-6:15 pm

2 stops19h 11m

$564

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Thu 2/19

6:05 am-9:44 pm

2 stops22h 39m

Lambert-St Louis

Mon 2/23

2:21 pm-3:05 pm

2 stops41h 44m

$565

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Thu 9/25

12:15 pm-11:53 pm

2 stops18h 38m

Lambert-St Louis

Mon 9/29

12:28 pm-11:00 am

2 stops15h 32m

$574

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Thu 9/25

1:50 pm-11:24 pm

2 stops16h 34m

Lambert-St Louis

Mon 9/29

2:15 pm-1:10 pm

2 stops15h 55m

$651

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Fri 10/24

6:00 am-4:04 pm

2 stops17h 04m

Lambert-St Louis

Fri 10/31

12:51 pm-10:15 am

2 stops39h 24m

$652

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Fri 10/24

2:15 pm-3:18 pm

2 stops32h 03m

Lambert-St Louis

Fri 10/31

4:50 pm-10:05 am

1 stop11h 15m

$746

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Fri 10/24

6:05 am-1:30 pm

1 stop14h 25m

Lambert-St Louis

Fri 10/31

4:50 pm-10:05 am

1 stop11h 15m

$873

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Thu 9/25

8:10 pm-1:30 pm

3 stops24h 20m

Lambert-St Louis

Mon 9/29

1:30 pm-10:50 am

2 stops14h 20m

$2,098

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Tue 10/21

11:55 am-8:26 pm

2 stops15h 31m

$816

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Mon 10/20

6:35 am-3:45 pm

2 stops16h 10m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 11 results
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Best time to book a flight from Basel to St. Louis

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

Related info for your journey

Find useful and relevant information for your journey from Basel to St. Louis. 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 Basel EuroAirport Swiss to St. Louis?

    British Airways, American Airlines, and Delta can get you from Basel EuroAirport Swiss to St. Louis in just under 16h 34m. Your travel time can differ by up to 6h 05m. The distance from Basel EuroAirport Swiss to St. Louis is about 4630 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Basel 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 Basel EuroAirport Swiss to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Basel EuroAirport Swiss to St. Louis (average of $311). Flying from Basel EuroAirport Swiss to St. Louis in March is currently the most expensive (average of $356). 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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