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Cheap flights from St. Louis to Basel from $501

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Basel departing on 6/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from St. Louis to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:35 pm - 10:55 am
STL
-
BSL
30h 20m
1 stop
British Airways Logo
11:45 am - 7:30 pm
BSL
-
STL
14h 45m
1 stop
$837British Airways
Wed, Oct 7 - Fri, Oct 16
United Airlines Logo
11:59 am - 9:15 am
STL
-
BSL
14h 16m
2 stops
United Airlines Logo
8:25 am - 1:25 pm
BSL
-
STL
12h 00m
1 stop
$843United Airlines
Wed, Oct 7 - Fri, Oct 16
Multiple Airlines Logo
9:35 pm - 10:40 pm
STL
-
BSL
18h 05m
1 stop
Multiple Airlines Logo
6:00 am - 7:46 pm
BSL
-
STL
20h 46m
2 stops
$852Multiple Airlines
Wed, Oct 7 - Fri, Oct 16
United Airlines Logo
10:23 am - 9:15 am
STL
-
BSL
15h 52m
2 stops
United Airlines Logo
8:25 am - 3:38 pm
BSL
-
STL
14h 13m
2 stops
$853United Airlines
Wed, Oct 7 - Fri, Oct 16
British Airways Logo
9:35 pm - 7:30 pm
STL
-
BSL
14h 55m
1 stop
British Airways Logo
6:00 am - 7:30 pm
BSL
-
STL
20h 30m
1 stop
$860British Airways
Wed, Oct 7 - Fri, Oct 16
Air France Logo
4:13 pm - 1:45 pm
STL
-
BSL
14h 32m
2 stops
Air France Logo
6:30 am - 3:58 pm
BSL
-
STL
16h 28m
2 stops
$910Air France
Wed, Oct 7 - Sat, Oct 17
Multiple Airlines Logo
3:30 pm - 6:10 pm
STL
-
BSL
19h 40m
1 stop
Multiple Airlines Logo
6:40 am - 7:30 pm
BSL
-
STL
19h 50m
1 stop
$912Multiple Airlines
Tue, Aug 11 - Wed, Aug 26
Multiple Airlines Logo
12:10 pm - 2:05 pm
STL
-
BSL
18h 55m
2 stops
Multiple Airlines Logo
11:50 am - 7:30 pm
BSL
-
STL
14h 40m
1 stop
$916Multiple Airlines
Tue, Aug 11 - Wed, Aug 26
Lufthansa Logo
3:30 pm - 1:40 pm
STL
-
BSL
15h 10m
1 stop
Lufthansa Logo
2:50 pm - 1:25 pm
BSL
-
STL
29h 35m
1 stop
$936Lufthansa
Wed, Oct 7 - Sat, Oct 17
British Airways Logo
9:35 pm - 10:40 pm
STL
-
BSL
18h 05m
1 stop
British Airways Logo
11:55 am - 11:25 pm
BSL
-
STL
18h 30m
2 stops
$965British Airways
Wed, Oct 7 - Sat, Oct 17

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Delta flights from St. Louis to Basel

Our best Delta deals on St. Louis to Basel flight tickets
Delta
Jun 15
STL6:05 amLambert-St Louis
20h 50m
2 stops
BSL9:55 amBasel EuroAirport Swiss
Jul 15
BSL6:30 amBasel EuroAirport Swiss
21h 07m
2 stops
STL8:37 pmLambert-St Louis
$1,184
Delta
Jun 10
STL4:19 pmLambert-St Louis
14h 26m
2 stops
BSL1:45 pmBasel EuroAirport Swiss
Jul 10
BSL10:15 amBasel EuroAirport Swiss
17h 16m
2 stops
STL8:31 pmLambert-St Louis
$1,185
Delta
Jun 17
STL1:59 pmLambert-St Louis
16h 46m
2 stops
BSL1:45 pmBasel EuroAirport Swiss
Jul 17
BSL10:35 amBasel EuroAirport Swiss
20h 18m
2 stops
STL11:53 pmLambert-St Louis
$1,191

British Airways flights from St. Louis to Basel

Our best British Airways deals on St. Louis to Basel flight tickets
British Airways
Oct 7
STL9:35 pmLambert-St Louis
30h 20m
1 stop
BSL10:55 amBasel EuroAirport Swiss
Oct 16
BSL11:45 amBasel EuroAirport Swiss
14h 45m
1 stop
STL7:30 pmLambert-St Louis
$837
British Airways
Oct 7
STL9:35 pmLambert-St Louis
14h 55m
1 stop
BSL7:30 pmBasel EuroAirport Swiss
Oct 16
BSL6:00 amBasel EuroAirport Swiss
20h 30m
1 stop
STL7:30 pmLambert-St Louis
$860
British Airways
Oct 7
STL9:35 pmLambert-St Louis
18h 05m
1 stop
BSL10:40 pmBasel EuroAirport Swiss
Oct 17
BSL11:55 amBasel EuroAirport Swiss
18h 30m
2 stops
STL11:25 pmLambert-St Louis
$965

momondo 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, momondo users made 832,500 searches. Data last updated April 23, 2026.
Use the filters below to find and compare flights from St. Louis to Basel that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 10/7

9:35 pm-10:55 am

1 stop30h 20m

Basel EuroAirport Swiss

Fri 10/16

11:45 am-7:30 pm

1 stop14h 45m

$837
Quickest round-trip

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 10/7

11:59 am-9:15 am

2 stops14h 16m

Basel EuroAirport Swiss

Fri 10/16

8:25 am-1:25 pm

1 stop12h 00m

$843

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 10/7

9:35 pm-10:40 pm

1 stop18h 05m

Basel EuroAirport Swiss

Fri 10/16

6:00 am-7:46 pm

2 stops20h 46m

$852

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 10/7

10:23 am-9:15 am

2 stops15h 52m

Basel EuroAirport Swiss

Fri 10/16

8:25 am-3:38 pm

2 stops14h 13m

$853

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 10/7

9:35 pm-7:30 pm

1 stop14h 55m

Basel EuroAirport Swiss

Fri 10/16

6:00 am-7:30 pm

1 stop20h 30m

$860

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 10/7

4:13 pm-1:45 pm

2 stops14h 32m

Basel EuroAirport Swiss

Sat 10/17

6:30 am-3:58 pm

2 stops16h 28m

$910

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 8/11

3:30 pm-6:10 pm

1 stop19h 40m

Basel EuroAirport Swiss

Wed 8/26

6:40 am-7:30 pm

1 stop19h 50m

$912

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 8/11

12:10 pm-2:05 pm

2 stops18h 55m

Basel EuroAirport Swiss

Wed 8/26

11:50 am-7:30 pm

1 stop14h 40m

$916

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 10/7

3:30 pm-1:40 pm

1 stop15h 10m

Basel EuroAirport Swiss

Sat 10/17

2:50 pm-1:25 pm

1 stop29h 35m

$936

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 10/7

9:35 pm-10:40 pm

1 stop18h 05m

Basel EuroAirport Swiss

Sat 10/17

11:55 am-11:25 pm

2 stops18h 30m

$965

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Basel from

How to get the cheapest flight ticket from St. Louis to Basel

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on St. Louis to Basel flights?

You could potentially save up to 31% on your flight if you consider stops on a St. Louis to Basel flight.

When to book flights from St. Louis to Basel

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Basel according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Basel (STL to EAP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Basel

Fastest flight time

13h 57m

Direct flights

None
The fastest flight from St. Louis to Basel takes 13h 57m
There are no direct flights from St. Louis to Basel. There are no popular flight routes from St. Louis to Basel.
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Frequently asked questions about flying from St. Louis to Basel

  • How far is Lambert-St Louis to Basel by plane?

    Basel is 4632.5 mi away from Lambert-St Louis. By plane, this route typically takes 13h 57m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Basel?

    Prices for flights from Lambert-St Louis Airport to Basel were last updated today.

  • How old do you have to be to fly from Lambert-St Louis Airport to Basel?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Basel.

  • What documentation or ID do you need to fly to Basel?

    The necessary travel and health documents for your Basel trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Basel?

Finding the right flight to Basel from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Basel quick and easy, saving you time and money.

Can I find flights from St. Louis to Basel with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Basel flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Basel?

Once you have performed a search for St. Louis to Basel flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Basel right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Basel now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Basel and let you know when they change.

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