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Cheap flights from St. Louis to Basel from $494

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 8/29. 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
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 12:30 pm
STL
-
BSL
24h 30m
2 stops
United Airlines Logo
1:10 pm - 7:29 pm
BSL
-
STL
37h 19m
2 stops
$772United Airlines
Sun, Nov 29 - Wed, Dec 2
United Airlines Logo
6:15 am - 12:30 pm
STL
-
BSL
23h 15m
2 stops
United Airlines Logo
1:10 pm - 11:09 pm
BSL
-
STL
40h 59m
2 stops
$772United Airlines
Sun, Nov 29 - Wed, Dec 2
Lufthansa Logo
6:50 pm - 4:05 pm
STL
-
BSL
14h 15m
2 stops
Lufthansa Logo
6:35 am - 1:45 pm
BSL
-
STL
14h 10m
1 stop
$856Lufthansa
Fri, Nov 20 - Wed, Nov 25
Lufthansa Logo
6:50 pm - 1:55 pm
STL
-
BSL
36h 05m
2 stops
Lufthansa Logo
10:40 am - 11:15 pm
BSL
-
STL
19h 35m
2 stops
$858Lufthansa
Fri, Nov 20 - Wed, Nov 25
Lufthansa Logo
3:30 pm - 10:25 am
STL
-
BSL
11h 55m
1 stop
Lufthansa Logo
2:30 pm - 1:25 pm
BSL
-
STL
29h 55m
1 stop
$881Lufthansa
Mon, Aug 24 - Mon, Sep 7
Lufthansa Logo
6:54 pm - 11:10 pm
STL
-
BSL
21h 16m
2 stops
Lufthansa Logo
10:30 am - 1:25 pm
BSL
-
STL
33h 55m
1 stop
$884Lufthansa
Mon, Aug 24 - Mon, Sep 7
Lufthansa Logo
6:54 pm - 11:10 pm
STL
-
BSL
21h 16m
2 stops
Lufthansa Logo
8:15 pm - 1:25 pm
BSL
-
STL
24h 10m
2 stops
$890Lufthansa
Mon, Aug 24 - Mon, Sep 7
United Airlines Logo
5:30 pm - 7:35 pm
STL
-
BSL
43h 05m
3 stops
United Airlines Logo
2:45 pm - 2:00 pm
BSL
-
STL
30h 15m
2 stops
$916United Airlines
Sat, Sep 19 - Wed, Sep 30
United Airlines Logo
1:36 pm - 12:25 pm
STL
-
BSL
15h 49m
2 stops
United Airlines Logo
6:00 am - 1:25 pm
BSL
-
STL
14h 25m
1 stop
$917United Airlines
Sun, Aug 23 - Sun, Aug 30
United Airlines Logo
3:32 pm - 12:25 pm
STL
-
BSL
13h 53m
2 stops
United Airlines Logo
6:00 am - 3:38 pm
BSL
-
STL
16h 38m
2 stops
$927United Airlines
Sun, Aug 23 - Sun, Aug 30

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Lufthansa flights from St. Louis to Basel

Our best Lufthansa deals on St. Louis to Basel flight tickets
Lufthansa
Nov 20
STL6:50 pmLambert-St Louis
14h 15m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Nov 25
BSL6:35 amBasel EuroAirport Swiss
14h 10m
1 stop
STL1:45 pmLambert-St Louis
$856
Lufthansa
Nov 20
STL6:50 pmLambert-St Louis
36h 05m
2 stops
BSL1:55 pmBasel EuroAirport Swiss
Nov 25
BSL10:40 amBasel EuroAirport Swiss
19h 35m
2 stops
STL11:15 pmLambert-St Louis
$858
Lufthansa
Aug 24
STL3:30 pmLambert-St Louis
11h 55m
1 stop
BSL10:25 amBasel EuroAirport Swiss
Sep 7
BSL2:30 pmBasel EuroAirport Swiss
29h 55m
1 stop
STL1:25 pmLambert-St Louis
$881

United Airlines flights from St. Louis to Basel

Our best United Airlines deals on St. Louis to Basel flight tickets
United Airlines
Nov 29
STL5:00 amLambert-St Louis
24h 30m
2 stops
BSL12:30 pmBasel EuroAirport Swiss
Dec 2
BSL1:10 pmBasel EuroAirport Swiss
37h 19m
2 stops
STL7:29 pmLambert-St Louis
$772
United Airlines
Sep 19
STL5:30 pmLambert-St Louis
43h 05m
3 stops
BSL7:35 pmBasel EuroAirport Swiss
Sep 30
BSL2:45 pmBasel EuroAirport Swiss
30h 15m
2 stops
STL2:00 pmLambert-St Louis
$916
United Airlines
Aug 23
STL1:36 pmLambert-St Louis
15h 49m
2 stops
BSL12:25 pmBasel EuroAirport Swiss
Aug 30
BSL6:00 amBasel EuroAirport Swiss
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$917

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 July 30, 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

Sun 11/29

5:00 am-12:30 pm

2 stops24h 30m

Basel EuroAirport Swiss

Wed 12/2

1:10 pm-7:29 pm

2 stops37h 19m

$772

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 11/29

6:15 am-12:30 pm

2 stops23h 15m

Basel EuroAirport Swiss

Wed 12/2

1:10 pm-11:09 pm

2 stops40h 59m

$772
Quickest round-trip

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 11/20

6:50 pm-4:05 pm

2 stops14h 15m

Basel EuroAirport Swiss

Wed 11/25

6:35 am-1:45 pm

1 stop14h 10m

$856

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 11/20

6:50 pm-1:55 pm

2 stops36h 05m

Basel EuroAirport Swiss

Wed 11/25

10:40 am-11:15 pm

2 stops19h 35m

$858

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 8/24

3:30 pm-10:25 am

1 stop11h 55m

Basel EuroAirport Swiss

Mon 9/7

2:30 pm-1:25 pm

1 stop29h 55m

$881

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 8/24

6:54 pm-11:10 pm

2 stops21h 16m

Basel EuroAirport Swiss

Mon 9/7

10:30 am-1:25 pm

1 stop33h 55m

$884

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 8/24

6:54 pm-11:10 pm

2 stops21h 16m

Basel EuroAirport Swiss

Mon 9/7

8:15 pm-1:25 pm

2 stops24h 10m

$890

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sat 9/19

5:30 pm-7:35 pm

3 stops43h 05m

Basel EuroAirport Swiss

Wed 9/30

2:45 pm-2:00 pm

2 stops30h 15m

$916

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 8/23

1:36 pm-12:25 pm

2 stops15h 49m

Basel EuroAirport Swiss

Sun 8/30

6:00 am-1:25 pm

1 stop14h 25m

$917

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 8/23

3:32 pm-12:25 pm

2 stops13h 53m

Basel EuroAirport Swiss

Sun 8/30

6:00 am-3:38 pm

2 stops16h 38m

$927

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

15h 49m

Direct flights

None
The fastest flight from St. Louis to Basel takes 15h 49m
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 15h 49m.

  • 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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