HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$576+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — STL
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Basel to St. Louis 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 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 mayo 1, 2025.

Round-trip from

$576
(Delta)
From Basel EuroAirport Swiss to Lambert-St Louis
Search Deals

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 mayo 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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.
jue. 5/156:15 amBSL - STL
2 stops17h 20mDelta
lun. 5/196:05 pmSTL - BSL
2 stops16h 45mDelta
Deal found 4/30$576
This United Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 6/1311:30 amBSL - STL
2 stops18h 15mUnited Airlines
vie. 6/201:30 pmSTL - BSL
2 stops14h 25mUnited Airlines
Deal found 4/29$901
This Lufthansa deal was found by Cheapflights users on 4/30. 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.
jue. 5/156:30 pmBSL - STL
1 stop26h 00mLufthansa
lun. 5/1911:49 amSTL - BSL
2 stops14h 21mLufthansa
Deal found 4/30$1,826

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 mayo 1, 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

jue. 5/15

6:15 am-4:35 pm

2 stops17h 20m

Lambert-St Louis

lun. 5/19

6:05 pm-5:50 pm

2 stops16h 45m

$576

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

vie. 6/13

11:30 am-10:45 pm

2 stops18h 15m

Lambert-St Louis

vie. 6/20

1:30 pm-10:55 am

2 stops14h 25m

$901

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

jue. 5/15

6:30 pm-1:30 pm

1 stop26h 00m

Lambert-St Louis

lun. 5/19

11:49 am-9:10 am

2 stops14h 21m

$1,826

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

mié. 8/6

11:50 am-8:19 pm

2 stops15h 29m

$942

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

sáb. 7/12

2:20 pm-10:45 pm

2 stops15h 25m

$945

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

sáb. 7/12

11:30 am-1:30 pm

1 stop33h 00m

$1,883

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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.

Cheapflights Insights

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

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated mayo 1, 2025.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Lufthansa
6.7
Okay
7,046 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.6
Okay
6,845 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 Basel EuroAirport Swiss?

Book flights to Basel EuroAirport Swiss if you plan to visit one of these locations
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
O'Fallon

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 Basel to St. Louis

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