$422+ Cheap flights from Basel EuroAirport Swiss (BSL) to St. Louis (STL)
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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — STL
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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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
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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
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Best
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One-way
Cheapest flights from Basel to St. LouisExplore 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 July 25, 2026.
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 July 25, 2026.
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Mon 8/176:40 am
BSL
- STL
2 stops18h 25m
American Airlines
Mon 8/245:42 pm
STL
- BSL
2 stops17h 38m
American Airlines
Deal found 7/25![American Airlines logo]()
$801
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 9/76:30 am
BSL
- STL
2 stops21h 12m
Delta
Mon 9/1410:29 am
STL
- BSL
2 stops20h 16m
Delta
Deal found 7/24![Delta logo]()
$809
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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.
Mon 9/76:00 am
BSL
- STL
1 stop14h 25m
Lufthansa
Mon 9/143:30 pm
STL
- BSL
1 stop15h 30m
Lufthansa
Deal found 7/24![Lufthansa logo]()
$816
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 8/176:40 am
BSL
- STL
2 stops18h 25m
American Airlines
Sun 8/236:45 pm
STL
- BSL
2 stops17h 05m
American Airlines
Deal found 7/22![American Airlines logo]()
$817
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 8/188:15 am
BSL
- STL
2 stops18h 12m
American Airlines
Sun 8/2312:41 pm
STL
- BSL
2 stops15h 39m
American Airlines
Deal found 7/25![American Airlines logo]()
$826
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 11/1811:10 am
BSL
- STL
2 stops19h 23m
American Airlines
Sun 11/2211:32 am
STL
- BSL
2 stops20h 33m
American Airlines
Deal found 7/22![American Airlines logo]()
$829
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 9/76:00 am
BSL
- STL
1 stop14h 25m
United Airlines
Mon 9/146:53 pm
STL
- BSL
2 stops17h 42m
United Airlines
Deal found 7/24![United Airlines logo]()
$834
Best flights from Basel to St. LouisDiscover carefully curated flight deals from Basel to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from Basel to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 9/76:30 am
BSL
- STL
2 stops21h 12m
Delta
Mon 9/1410:29 am
STL
- BSL
2 stops20h 16m
Delta
Deal found 7/24![Delta logo]()
$809
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 11/1811:10 am
BSL
- STL
2 stops19h 23m
American Airlines
Sun 11/2211:32 am
STL
- BSL
2 stops20h 33m
American Airlines
Deal found 7/22![American Airlines logo]()
$829
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 9/76:00 am
BSL
- STL
1 stop14h 25m
United Airlines
Mon 9/146:53 pm
STL
- BSL
2 stops17h 42m
United Airlines
Deal found 7/24![United Airlines logo]()
$834
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 8/1810:15 am
BSL
- STL
2 stops20h 11m
Delta
Sun 8/236:30 am
STL
- BSL
2 stops24h 00m
Delta
Deal found 7/22![Delta logo]()
$859
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 8/186:05 am
BSL
- STL
2 stops15h 23m
United Airlines
Mon 8/243:30 pm
STL
- BSL
1 stop11h 55m
United Airlines
Deal found 7/25![United Airlines logo]()
$893
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 8/56:10 am
BSL
- STL
2 stops16h 36m
United Airlines
Sun 8/911:25 am
STL
- BSL
2 stops19h 15m
United Airlines
Deal found 7/21![United Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 8/1710:30 am
BSL
- STL
2 stops18h 30m
United Airlines
Mon 8/243:30 pm
STL
- BSL
1 stop15h 30m
United Airlines
Deal found 7/22![United Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/76:00 am
BSL
- STL
2 stops22h 26m
United Airlines
Tue 8/113:30 pm
STL
- BSL
1 stop15h 35m
United Airlines
Deal found 7/22![United Airlines logo]()
$959
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/166:00 am
BSL
- STL
2 stops19h 42m
United Airlines
Tue 8/253:30 pm
STL
- BSL
1 stop15h 35m
United Airlines
Deal found 7/25![United Airlines logo]()
$1,026
Last-minute flights from Basel to St. LouisDiscover last-minute flight deals from Basel to St. Louis. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Basel to St. Louis. Data last updated July 25, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Mon 8/176:40 am
BSL
- STL
2 stops18h 25m
American Airlines
Mon 8/245:42 pm
STL
- BSL
2 stops17h 38m
American Airlines
Deal found 7/25![American Airlines logo]()
$801
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 8/176:40 am
BSL
- STL
2 stops18h 25m
American Airlines
Sun 8/236:45 pm
STL
- BSL
2 stops17h 05m
American Airlines
Deal found 7/22![American Airlines logo]()
$817
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Mon 8/1710:30 am
BSL
- STL
2 stops18h 57m
United Airlines
Mon 8/243:30 pm
STL
- BSL
1 stop15h 30m
United Airlines
Deal found 7/25![United Airlines logo]()
$845
This KAYAK deal was found by Cheapflights users on 7/22. 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.
Mon 8/176:40 am
BSL
- STL
2 stops20h 46m
British Airways
Sun 8/239:40 pm
STL
- BSL
1 stop14h 10m
British Airways
Deal found 7/22![British Airways logo]()
$857
This KAYAK deal was found by Cheapflights users on 7/22. 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.
Mon 8/176:40 am
BSL
- STL
2 stops16h 44m
British Airways
Mon 8/248:07 pm
STL
- BSL
2 stops15h 13m
British Airways
Deal found 7/22![British Airways logo]()
$862
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 8/188:15 am
BSL
- STL
2 stops18h 12m
American Airlines
Sun 8/2312:41 pm
STL
- BSL
2 stops15h 39m
American Airlines
Deal found 7/25![American Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 8/182:20 pm
BSL
- STL
2 stops16h 01m
Delta
Mon 8/2411:13 am
STL
- BSL
2 stops19h 37m
Delta
Deal found 7/22![Delta logo]()
$843
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 8/1810:15 am
BSL
- STL
2 stops20h 11m
Delta
Sun 8/236:30 am
STL
- BSL
2 stops24h 00m
Delta
Deal found 7/22![Delta logo]()
$859
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 8/186:05 am
BSL
- STL
2 stops15h 23m
United Airlines
Mon 8/243:30 pm
STL
- BSL
1 stop11h 55m
United Airlines
Deal found 7/25![United Airlines logo]()
$893
One-way flights from Basel to St. LouisSearch for one-way flight options from Basel to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from Basel to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Iberia deal was found by Cheapflights users on 7/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:40 am
BSL
- STL
2 stops22h 04m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:20 am
BSL
- STL
3 stops58h 20m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:00 am
BSL
- STL
3 stops57h 40m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$473
This flugladen.de deal was found by Cheapflights users on 7/24. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:40 am
BSL
- STL
1 stop19h 50m
British Airways
Deal found 7/24![British Airways logo]()
$572
Find 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 July 25, 2026.
Round-trip from | $803 (American Airlines) |
|---|---|
One-way from | $422 (Iberia) |
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 July 25, 2026.
Use the filters below to find and compare flights from Basel EuroAirport Swiss to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaselSt. Louis
BSL - STL
BSLSTL
Basel EuroAirport Swiss
Mon 9/7
6:30 am-8:42 pm
2 stops21h 12m
Lambert-St Louis
Mon 9/14
10:29 am-1:45 pm
2 stops20h 16m
$809
BaselSt. Louis
BSL - STL
BSLSTL
Basel EuroAirport Swiss
Wed 11/18
11:10 am-11:33 pm
2 stops19h 23m
Lambert-St Louis
Sun 11/22
11:32 am-3:05 pm
2 stops20h 33m
$829
BaselSt. Louis
BSL - STL
BSLSTL
Basel EuroAirport Swiss
Mon 9/7
6:00 am-1:25 pm
1 stop14h 25m
Lambert-St Louis
Mon 9/14
6:53 pm-7:35 pm
2 stops17h 42m
$834
BaselSt. Louis
BSL - STL
BSLSTL
Basel EuroAirport Swiss
Tue 8/18
10:15 am-11:26 pm
2 stops20h 11m
Lambert-St Louis
Sun 8/23
6:30 am-1:30 pm
2 stops24h 00m
$859
Quickest round-trip
BaselSt. Louis
BSL - STL
BSLSTL
Basel EuroAirport Swiss
Tue 8/18
6:05 am-2:28 pm
2 stops15h 23m
Lambert-St Louis
Mon 8/24
3:30 pm-10:25 am
1 stop11h 55m
$893
BaselSt. Louis
BSL - STL
BSLSTL
Basel EuroAirport Swiss
Wed 8/5
6:10 am-3:46 pm
2 stops16h 36m
Lambert-St Louis
Sun 8/9
11:25 am-1:40 pm
2 stops19h 15m
$903
BaselSt. Louis
BSL - STL
BSLSTL
Basel EuroAirport Swiss
Mon 8/17
10:30 am-10:00 pm
2 stops18h 30m
Lambert-St Louis
Mon 8/24
3:30 pm-2:00 pm
1 stop15h 30m
$957
BaselSt. Louis
BSL - STL
BSLSTL
Basel EuroAirport Swiss
Fri 8/7
6:00 am-9:26 pm
2 stops22h 26m
Lambert-St Louis
Tue 8/11
3:30 pm-2:05 pm
1 stop15h 35m
$959
BaselSt. Louis
BSL - STL
BSLSTL
Basel EuroAirport Swiss
Sun 8/16
6:00 am-6:42 pm
2 stops19h 42m
Lambert-St Louis
Tue 8/25
3:30 pm-2:05 pm
1 stop15h 35m
$1,026
Cheapest one-way
BaselSt. Louis
BSL - STL
BSLSTL
Basel EuroAirport Swiss
Wed 9/16
6:40 am-9:44 pm
2 stops22h 04m
$422
Showing 1-10 of 14 resultsSorted by cheapest first
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.
BSL-STL
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 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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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