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$453+ Cheap flights from St. Louis (STL) to Basel EuroAirport Swiss (BSL)

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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BSL
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Cheap flight deals from St. Louis to Basel

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Basel (BSL). 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 November 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$486
(Delta)

One-way from

$453
(British Airways)
Provider with most accurate pricing for Lambert-St Louis-Basel EuroAirport Swiss flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Basel EuroAirport Swiss flights.
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From Lambert-St Louis to Basel EuroAirport Swiss
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One-way flight from Lambert-St Louis to Basel EuroAirport Swiss
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Find flight deals from St. Louis to Basel

Cheapest flights from St. Louis to Basel
Explore the most affordable flight options available from St. Louis to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

This Air France deal was found by Cheapflights users on 11/15. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:22 pmSTL - BSL
2 stops14h 18mAir France
Wed 12/316:05 amBSL - STL
2 stops17h 54mAir France
Deal found 11/15$844
This United Airlines deal was found by Cheapflights users on 11/15. 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.
Tue 12/308:05 amSTL - BSL
2 stops21h 25mUnited Airlines
Tue 1/69:50 amBSL - STL
2 stops38h 28mUnited Airlines
Deal found 11/15$1,043
This Kiwi.com deal was found by Cheapflights users on 11/15. 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.
Tue 12/3011:05 amSTL - BSL
2 stops15h 50mLufthansa
Tue 1/61:55 pmBSL - STL
1 stop31h 00mLufthansa
Deal found 11/15$1,104
This Ovago deal was found by Cheapflights users on 11/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:50 pmSTL - BSL
1 stop14h 45mLufthansa
Wed 12/319:50 amBSL - STL
2 stops16h 32mLufthansa
Deal found 11/15$1,213
This Mytrip deal was found by Cheapflights users on 11/15. 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.
Tue 12/304:05 pmSTL - BSL
2 stops14h 30mMultiple Airlines
Tue 1/610:35 amBSL - STL
3 stops35h 54mMultiple Airlines
Deal found 11/15$1,312
This Travelocity deal was found by Cheapflights users on 11/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:35 pmSTL - BSL
2 stops14h 30mMultiple Airlines
Sat 1/37:10 amBSL - STL
2 stops22h 46mMultiple Airlines
Deal found 11/15$1,884
This Priceline deal was found by Cheapflights users on 11/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:35 pmSTL - BSL
2 stops14h 30mLufthansa
Sat 1/310:45 amBSL - STL
1 stop34h 10mLufthansa
Deal found 11/15$2,372
This Cheapflightsfares deal was found by Cheapflights users on 11/15. 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.
Tue 12/301:05 pmSTL - BSL
2 stops13h 50mMultiple Airlines
Sun 1/41:10 pmBSL - STL
2 stops15h 33mMultiple Airlines
Deal found 11/15$3,529
This Cheapflightsfares deal was found by Cheapflights users on 11/14. 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.
Tue 11/1812:31 pmSTL - BSL
2 stops14h 44mMultiple Airlines
Thu 11/2010:35 amBSL - STL
2 stops15h 41mMultiple Airlines
Deal found 11/14$4,035

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Basel 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 17, 2025.
Use the filters below to find and compare flights from St. Louis to Basel EuroAirport Swiss that are best for you.

Fly from

St. Louis

Fly to

Basel

Route

Depart

Return

Price

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 1/28

6:00 am-9:50 am

2 stops20h 50m

Basel EuroAirport Swiss

Sun 2/1

6:05 am-8:43 pm

2 stops21h 38m

$486

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 1/28

3:50 pm-9:55 am

1 stop11h 05m

Basel EuroAirport Swiss

Sun 2/1

10:45 am-11:59 pm

2 stops20h 14m

$505

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 1/2

3:50 pm-1:35 pm

1 stop14h 45m

Basel EuroAirport Swiss

Sun 1/11

7:00 pm-10:58 pm

2 stops34h 58m

$561

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 3/1

2:19 pm-3:05 pm

2 stops17h 46m

Basel EuroAirport Swiss

Fri 3/13

7:00 am-8:18 pm

2 stops19h 18m

$574

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 3/1

6:45 pm-7:40 pm

2 stops17h 55m

Basel EuroAirport Swiss

Fri 3/13

6:45 am-2:55 pm

1 stop14h 10m

$668

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 12/24

1:22 pm-10:40 am

2 stops14h 18m

Basel EuroAirport Swiss

Wed 12/31

6:05 am-4:59 pm

2 stops17h 54m

$844

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 3/11

4:50 pm-9:55 am

1 stop11h 05m

Basel EuroAirport Swiss

Wed 3/18

1:10 pm-11:51 pm

2 stops16h 41m

$906

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 3/27

4:05 pm-7:40 pm

2 stops21h 35m

Basel EuroAirport Swiss

Tue 3/31

11:00 am-7:48 pm

2 stops15h 48m

$952

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 3/24

2:21 pm-3:05 pm

2 stops18h 44m

$453

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 3/9

1:10 pm-10:15 am

2 stops15h 05m

$3,855

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 11 results
1
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  • Most accurate provider: When it comes to deals on St. Louis-Basel EuroAirport Swiss flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Basel EuroAirport Swiss flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Basel EuroAirport Swiss flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Basel EuroAirport Swiss flights, Cheapflights users trust FlightHub the most. FlightHub 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-Basel EuroAirport Swiss 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 Basel

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

Related info for your journey

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

    Airlines like Delta, Lufthansa, and American Airlines fly from St. Louis to Basel EuroAirport Swiss in about 11h 05m. The time it takes to get you to your destination can typically vary by up to 9h 45m. Airlines will cover a distance of 4630 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

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