HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Basel

$407+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BSL
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Basel with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$468
(Expedia)

One-way from

$407
(Expedia)
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.
Search Deals
From Lambert-St Louis to Basel EuroAirport Swiss
Search Deals
One-way flight from Lambert-St Louis to Basel EuroAirport Swiss
Search Deals

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 January 8, 2026.

This oojo deal was found by Cheapflights users on 1/7. 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.
Sat 2/212:25 pmSTL - BSL
2 stops20h 40mBritish Airways
Sat 2/2811:10 amBSL - STL
2 stops19h 12mBritish Airways
Deal found 1/7$486
This Mytrip deal was found by Cheapflights users on 1/7. 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.
Sat 2/214:05 pmSTL - BSL
2 stops19h 10mMultiple Airlines
Sat 2/287:05 pmBSL - STL
1 stop25h 50mMultiple Airlines
Deal found 1/7$501
This Expedia deal was found by Cheapflights users on 1/7. 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.
Wed 3/184:05 pmSTL - BSL
2 stops21h 35mMultiple Airlines
Sun 3/227:00 pmBSL - STL
2 stops50h 29mMultiple Airlines
Deal found 1/7$521
This United Airlines deal was found by Cheapflights users on 1/7. 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 1/236:40 pmSTL - BSL
2 stops14h 25mUnited Airlines
Tue 1/279:50 amBSL - STL
2 stops20h 08mUnited Airlines
Deal found 1/7$550
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:50 pmSTL - BSL
1 stop11h 05mLufthansa
Wed 3/251:10 pmBSL - STL
2 stops16h 41mLufthansa
Deal found 1/6$832
This oojo deal was found by Cheapflights users on 1/7. 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.
Fri 8/1410:00 pmSTL - BSL
1 stop17h 50mBritish Airways
Wed 8/266:40 amBSL - STL
1 stop19h 50mBritish Airways
Deal found 1/7$844
This Delta deal was found by Cheapflights users on 1/7. 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.
Fri 8/146:00 amSTL - BSL
2 stops20h 55mDelta
Wed 8/266:20 amBSL - STL
2 stops15h 18mDelta
Deal found 1/7$855
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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.
Wed 3/184:50 pmSTL - BSL
1 stop14h 45mLufthansa
Sun 3/226:45 amBSL - STL
1 stop14h 10mLufthansa
Deal found 1/7$1,027
This United Airlines deal was found by Cheapflights users on 1/7. 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 8/208:50 amSTL - BSL
2 stops27h 50mUnited Airlines
Tue 8/258:15 amBSL - STL
1 stop12h 10mUnited Airlines
Deal found 1/7$1,177

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 January 8, 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

Sat 2/21

2:25 pm-6:05 pm

2 stops20h 40m

Basel EuroAirport Swiss

Sat 2/28

11:10 am-11:22 pm

2 stops19h 12m

$486

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sat 2/21

4:05 pm-6:15 pm

2 stops19h 10m

Basel EuroAirport Swiss

Sat 2/28

7:05 pm-1:55 pm

1 stop25h 50m

$501

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 3/18

4:05 pm-7:40 pm

2 stops21h 35m

Basel EuroAirport Swiss

Sun 3/22

7:00 pm-3:29 pm

2 stops50h 29m

$521

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 1/23

9:57 am-4:05 pm

2 stops23h 08m

Basel EuroAirport Swiss

Tue 1/27

9:50 am-2:30 pm

2 stops35h 40m

$550

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 3/18

4:50 pm-1:35 pm

1 stop14h 45m

Basel EuroAirport Swiss

Sun 3/22

6:45 am-2:55 pm

1 stop14h 10m

$1,027

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 6/10

3:30 pm-10:15 am

1 stop11h 45m

Basel EuroAirport Swiss

Sun 6/21

8:20 am-1:25 pm

1 stop12h 05m

$1,298

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 6/5

3:30 pm-12:25 pm

2 stops13h 55m

Basel EuroAirport Swiss

Fri 6/12

8:25 am-1:25 pm

1 stop12h 00m

$1,319

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Thu 2/5

11:22 am-9:10 am

2 stops14h 48m

$407

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Thu 2/5

5:42 pm-12:40 pm

3 stops35h 58m

$443

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 1/14

3:50 pm-9:55 am

1 stop11h 05m

$7,458

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

  • 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 and United Airlines fly from St. Louis to Basel EuroAirport Swiss in about 20h 40m. The time it takes to get you to your destination can typically vary by up to 2h 28m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Basel

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Basel flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.