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St. Louis

$684+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — STL
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 juin 12, 2025.

Round-trip from

$684
(American Airlines)
From Basel EuroAirport Swiss to Lambert-St Louis
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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 juin 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/2511:50 amBSL - STL
2 stops27h 56mAmerican Airlines
dim. 6/299:24 amSTL - BSL
2 stops18h 56mAmerican Airlines
Deal found 6/10$684
This Delta deal was found by Cheapflights users on 6/11. 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.
jeu. 6/269:10 amBSL - STL
2 stops21h 41mDelta
lun. 6/3011:17 amSTL - BSL
2 stops18h 53mDelta
Deal found 6/11$774
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/227:05 amBSL - STL
2 stops18h 26mBritish Airways
ven. 6/277:47 pmSTL - BSL
2 stops39h 38mBritish Airways
Deal found 6/10$1,162
This Mytrip deal was found by Cheapflights users on 6/11. 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.
jeu. 6/262:20 pmBSL - STL
3 stops29h 16mMultiple Airlines
lun. 6/307:30 amSTL - BSL
3 stops23h 10mMultiple Airlines
Deal found 6/11$1,244
This United Airlines deal was found by Cheapflights users on 6/11. 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.
dim. 7/271:00 pmBSL - STL
2 stops15h 35mUnited Airlines
dim. 8/310:57 amSTL - BSL
2 stops15h 13mUnited Airlines
Deal found 6/11$1,283
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/228:30 amBSL - STL
1 stop12h 00mLufthansa
ven. 6/273:30 pmSTL - BSL
1 stop19h 20mLufthansa
Deal found 6/10$1,755

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 juin 12, 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

mer. 6/25

11:50 am-8:46 am

2 stops27h 56m

Lambert-St Louis

dim. 6/29

9:24 am-11:20 am

2 stops18h 56m

$684

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

jeu. 6/26

9:10 am-11:51 pm

2 stops21h 41m

Lambert-St Louis

lun. 6/30

11:17 am-1:10 pm

2 stops18h 53m

$774

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

dim. 6/22

7:05 am-6:31 pm

2 stops18h 26m

Lambert-St Louis

ven. 6/27

7:47 pm-6:25 pm

2 stops39h 38m

$1,162

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

jeu. 6/26

2:20 pm-12:36 pm

3 stops29h 16m

Lambert-St Louis

lun. 6/30

7:30 am-1:40 pm

3 stops23h 10m

$1,244

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

dim. 7/27

1:00 pm-9:35 pm

2 stops15h 35m

Lambert-St Louis

dim. 8/3

10:57 am-9:10 am

2 stops15h 13m

$1,283

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

dim. 6/22

8:30 am-1:30 pm

1 stop12h 00m

Lambert-St Louis

ven. 6/27

3:30 pm-5:50 pm

1 stop19h 20m

$1,755

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 juin 12, 2025.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,139 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,008 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington

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