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$647+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BSL
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
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 abril 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$865
(American Airlines)

One-way from

$801
(Cheapflightsfares)
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 abril 15, 2025.

This United Airlines deal was found by Cheapflights users on 4/15. 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.
dom. 10/264:45 pmSTL - BSL
1 stop19h 25mUnited Airlines
dom. 11/92:15 pmBSL - STL
2 stops32h 11mUnited Airlines
Deal found 4/15$647
This Lufthansa deal was found by Cheapflights users on 4/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/264:45 pmSTL - BSL
1 stop14h 45mLufthansa
dom. 11/96:50 amBSL - STL
1 stop14h 05mLufthansa
Deal found 4/15$681
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/210:17 amSTL - BSL
2 stops17h 43mAmerican Airlines
mié. 5/76:40 amBSL - STL
2 stops18h 53mAmerican Airlines
Deal found 4/15$865
This Gotogate deal was found by Cheapflights users on 4/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/23:30 pmSTL - BSL
1 stop15h 15mMultiple Airlines
mié. 5/76:05 amBSL - STL
2 stops20h 53mMultiple Airlines
Deal found 4/15$897

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 abril 15, 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

vie. 5/2

10:17 am-11:00 am

2 stops17h 43m

Basel EuroAirport Swiss

mié. 5/7

6:40 am-6:33 pm

2 stops18h 53m

$865

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

vie. 5/2

3:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

mié. 5/7

6:05 am-7:58 pm

2 stops20h 53m

$897

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

vie. 5/2

3:30 pm-1:45 pm

1 stop15h 15m

Basel EuroAirport Swiss

mié. 5/7

6:05 am-1:30 pm

1 stop14h 25m

$902

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

mar. 5/20

1:38 pm-10:55 am

2 stops14h 17m

$801

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

jue. 6/26

11:25 am-9:10 am

2 stops14h 45m

$955

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

  • 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Basel EuroAirport Swiss

Rainfall in Basel by month

Plan your trip to Basel by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Basel EuroAirport Swiss ranges from 1.9 - 3.4 inches per month. June is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Basel EuroAirport Swiss when rainfall is around 1.9 in.

Temperature in Basel by month

Plan your trip to Basel by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Basel EuroAirport Swiss, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Basel

Get insights into the airlines that provide service to Basel. 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 Basel. Reviews last updated abril 15, 2025.
United Airlines
7.4
Good
8,658 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,658 reviews
United Airlines
7.4
Good
8,658 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,658 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.7
Okay
7,002 reviews
United Airlines
7.4
Good
8,658 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
6,765 reviews
United Airlines
7.4
Good
8,658 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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.

  • What is the cheapest month to book a flight from St. Louis to Basel EuroAirport Swiss?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Basel EuroAirport Swiss (average of $545). Flying from St. Louis to Basel EuroAirport Swiss in June is currently the most expensive (average of $1,132). 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.

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