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$687+ Cheap flights from St. Louis (STL) to Basel EuroAirport Swiss (BSL)

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BSL
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
1 adult, Economy
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Cheap 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 February 10, 2026.

This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:59 am
STL
-
BSL
2 stops27h 06m
British Airways
Sun 3/811:20 am
BSL
-
STL
2 stops18h 24m
British Airways
Deal found 2/9$687
This Delta deal was found by Cheapflights users on 2/6. 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.
Sun 3/110:13 am
STL
-
BSL
2 stops20h 37m
Delta
Sat 3/711:15 am
BSL
-
STL
2 stops39h 28m
Delta
Deal found 2/6$691
This Trip.com deal was found by Cheapflights users on 2/6. 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.
Sun 3/13:50 pm
STL
-
BSL
1 stop11h 05m
Lufthansa
Sat 3/77:05 pm
BSL
-
STL
1 stop25h 50m
Lufthansa
Deal found 2/6$730
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:13 pm
STL
-
BSL
2 stops21h 07m
British Airways
Sun 12/611:20 am
BSL
-
STL
2 stops18h 05m
British Airways
Deal found 2/10$736
This FlightHub deal was found by Cheapflights users on 2/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/293:50 pm
STL
-
BSL
1 stop19h 30m
Lufthansa
Sun 12/66:45 am
BSL
-
STL
1 stop14h 10m
Lufthansa
Deal found 2/9$744
This Gotogate deal was found by Cheapflights users on 2/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:05 pm
STL
-
BSL
2 stops14h 30m
Multiple Airlines
Sun 3/86:45 am
BSL
-
STL
1 stop14h 10m
Multiple Airlines
Deal found 2/9$787
This Gotogate deal was found by Cheapflights users on 2/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/14:05 pm
STL
-
BSL
2 stops23h 10m
Multiple Airlines
Sat 3/710:45 am
BSL
-
STL
1 stop34h 10m
Multiple Airlines
Deal found 2/6$792
This Cheapflightsfares deal was found by Cheapflights users on 2/8. 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 8/113:30 pm
STL
-
BSL
1 stop11h 50m
Lufthansa
Wed 8/268:25 am
BSL
-
STL
1 stop12h 00m
Lufthansa
Deal found 2/8$852
This FlightHub deal was found by Cheapflights users on 2/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:50 pm
STL
-
BSL
1 stop14h 45m
Lufthansa
Sun 3/86:45 am
BSL
-
STL
1 stop14h 10m
Lufthansa
Deal found 2/9$880

Find 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 February 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$687
(oojo)
Provider with most accurate pricing for Lambert-St Louis-Basel EuroAirport Swiss flight deals.
Search Deals
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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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 February 10, 2026.
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 3/4

11:59 am-10:05 pm

2 stops27h 06m

Basel EuroAirport Swiss

Sun 3/8

11:20 am-11:44 pm

2 stops18h 24m

$687

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 3/1

10:13 am-1:50 pm

2 stops20h 37m

Basel EuroAirport Swiss

Sat 3/7

11:15 am-7:43 pm

2 stops39h 28m

$691

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 3/1

3:50 pm-9:55 am

1 stop11h 05m

Basel EuroAirport Swiss

Sat 3/7

7:05 pm-1:55 pm

1 stop25h 50m

$730

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 3/4

4:05 pm-1:35 pm

2 stops14h 30m

Basel EuroAirport Swiss

Sun 3/8

6:45 am-1:55 pm

1 stop14h 10m

$787

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 3/1

4:05 pm-10:15 pm

2 stops23h 10m

Basel EuroAirport Swiss

Sat 3/7

10:45 am-1:55 pm

1 stop34h 10m

$792

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 3/4

3:50 pm-1:35 pm

1 stop14h 45m

Basel EuroAirport Swiss

Sun 3/8

6:45 am-1:55 pm

1 stop14h 10m

$880

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 3/25

6:50 pm-6:40 pm

2 stops17h 50m

Basel EuroAirport Swiss

Wed 4/1

11:50 am-9:11 pm

2 stops16h 21m

$881

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 2/25

3:15 pm-4:05 pm

2 stops17h 50m

Basel EuroAirport Swiss

Sun 3/1

9:50 am-3:29 pm

2 stops36h 39m

$884

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 3/4

9:55 am-4:05 pm

2 stops23h 10m

Basel EuroAirport Swiss

Sun 3/8

9:50 am-3:29 pm

2 stops35h 39m

$884

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 3/25

4:50 pm-9:55 am

1 stop11h 05m

Basel EuroAirport Swiss

Wed 4/1

8:25 am-1:25 pm

1 stop12h 00m

$915

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

  • 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 British Airways, Delta, and Lufthansa 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 16h 01m. 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.

See more FAQs

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