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Cheap flights from St. Louis to Basel from $573

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Basel departing on 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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American Airlines Logo
2:19 pm - 3:05 pmSTL-BSL
17h 46m2 stops
American Airlines Logo
7:00 am - 7:02 pmBSL-STL
18h 02m2 stops
$573American Airlines
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Sun, Mar 1 - Fri, Mar 13
Lufthansa Logo
6:45 pm - 7:40 pmSTL-BSL
17h 55m2 stops
Lufthansa Logo
6:45 am - 2:55 pmBSL-STL
14h 10m1 stop
$574Lufthansa
Find Deal
Sun, Mar 1 - Fri, Mar 13
United Airlines Logo
12:55 pm - 7:40 pmSTL-BSL
23h 45m2 stops
United Airlines Logo
1:10 pm - 2:23 pmBSL-STL
32h 13m2 stops
$601United Airlines
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Sun, Dec 7 - Sun, Dec 14
Air France Logo
12:49 pm - 10:40 amSTL-BSL
14h 51m2 stops
Air France Logo
6:05 am - 5:50 pmBSL-STL
18h 45m2 stops
$611Air France
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Mon, Dec 15 - Fri, Jan 16
Air France Logo
11:59 am - 10:40 amSTL-BSL
15h 41m2 stops
Air France Logo
6:05 am - 5:00 pmBSL-STL
17h 55m2 stops
$843Air France
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Wed, Dec 24 - Wed, Dec 31
United Airlines Logo
4:05 pm - 4:05 pmSTL-BSL
18h 00m2 stops
United Airlines Logo
11:00 am - 8:45 pmBSL-STL
16h 45m2 stops
$950United Airlines
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Fri, Mar 27 - Tue, Mar 31
Delta Logo
5:55 pm - 1:50 pmSTL-BSL
12h 55m2 stops
Delta Logo
2:30 pm - 4:39 pmBSL-STL
33h 09m2 stops
$1,313Delta
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Wed, Dec 24 - Mon, Jan 5
Delta Logo
6:05 am - 10:40 amSTL-BSL
21h 35m2 stops
Delta Logo
2:30 pm - 4:39 pmBSL-STL
33h 09m2 stops
$1,344Delta
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Sat, Dec 27 - Mon, Jan 5
Multiple Airlines Logo
12:55 pm - 10:00 amSTL-BSL
14h 05m2 stops
Multiple Airlines Logo
1:10 pm - 9:40 pmBSL-STL
15h 30m2 stops
$1,362Multiple Airlines
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Mon, Dec 8 - Mon, Dec 15
Multiple Airlines Logo
3:50 pm - 1:35 pmSTL-BSL
14h 45m1 stop
Multiple Airlines Logo
7:00 am - 10:33 pmBSL-STL
22h 33m2 stops
$1,539Multiple Airlines
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Wed, Dec 24 - Fri, Jan 2

Lufthansa flights from St. Louis to Basel EuroAirport Swiss

Our best Lufthansa deals on St. Louis to Basel EuroAirport Swiss flight tickets
Lufthansa
Nov 12
STL6:43 pmLambert-St Louis
14h 22m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Nov 19
BSL1:10 pmBasel EuroAirport Swiss
15h 30m
2 stops
STL9:40 pmLambert-St Louis
$485
Find similar
Lufthansa
Nov 12
STL3:50 pmLambert-St Louis
11h 05m
1 stop
BSL9:55 amBasel EuroAirport Swiss
Nov 19
BSL1:10 pmBasel EuroAirport Swiss
15h 30m
2 stops
STL9:40 pmLambert-St Louis
$493
Find similar
Lufthansa
Mar 1
STL6:45 pmLambert-St Louis
17h 55m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Mar 13
BSL6:45 amBasel EuroAirport Swiss
14h 10m
1 stop
STL2:55 pmLambert-St Louis
$574
Find similar

United Airlines flights from St. Louis to Basel EuroAirport Swiss

Our best United Airlines deals on St. Louis to Basel EuroAirport Swiss flight tickets
United Airlines
Dec 7
STL12:55 pmLambert-St Louis
23h 45m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Dec 14
BSL1:10 pmBasel EuroAirport Swiss
32h 13m
2 stops
STL2:23 pmLambert-St Louis
$601
Find similar
United Airlines
Mar 27
STL4:05 pmLambert-St Louis
18h 00m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Mar 31
BSL11:00 amBasel EuroAirport Swiss
16h 45m
2 stops
STL8:45 pmLambert-St Louis
$950
Find similar
United Airlines
Mar 27
STL4:05 pmLambert-St Louis
18h 00m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Mar 31
BSL11:00 amBasel EuroAirport Swiss
16h 45m
2 stops
STL8:45 pmLambert-St Louis
$951
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Basel EuroAirport Swiss 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 November 9, 2025.
Use the filters below to find and compare flights from St. Louis to Basel EuroAirport Swiss that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 3/1

2:19 pm-3:05 pm

2 stops17h 46m

Basel EuroAirport Swiss

Fri 3/13

7:00 am-7:02 pm

2 stops18h 02m

$573

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 3/1

6:45 pm-7:40 pm

2 stops17h 55m

Basel EuroAirport Swiss

Fri 3/13

6:45 am-2:55 pm

1 stop14h 10m

$574

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 12/7

12:55 pm-7:40 pm

2 stops23h 45m

Basel EuroAirport Swiss

Sun 12/14

1:10 pm-2:23 pm

2 stops32h 13m

$601

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 12/15

12:49 pm-10:40 am

2 stops14h 51m

Basel EuroAirport Swiss

Fri 1/16

6:05 am-5:50 pm

2 stops18h 45m

$611

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 12/24

11:59 am-10:40 am

2 stops15h 41m

Basel EuroAirport Swiss

Wed 12/31

6:05 am-5:00 pm

2 stops17h 55m

$843

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 3/27

4:05 pm-4:05 pm

2 stops18h 00m

Basel EuroAirport Swiss

Tue 3/31

11:00 am-8:45 pm

2 stops16h 45m

$950

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 12/24

5:55 pm-1:50 pm

2 stops12h 55m

Basel EuroAirport Swiss

Mon 1/5

2:30 pm-4:39 pm

2 stops33h 09m

$1,313

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sat 12/27

6:05 am-10:40 am

2 stops21h 35m

Basel EuroAirport Swiss

Mon 1/5

2:30 pm-4:39 pm

2 stops33h 09m

$1,344

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 12/8

12:55 pm-10:00 am

2 stops14h 05m

Basel EuroAirport Swiss

Mon 12/15

1:10 pm-9:40 pm

2 stops15h 30m

$1,362

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 12/24

3:50 pm-1:35 pm

1 stop14h 45m

Basel EuroAirport Swiss

Fri 1/2

7:00 am-10:33 pm

2 stops22h 33m

$1,539

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Basel from

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

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 EuroAirport Swiss flights?

You could potentially save up to 22% on your flight if you consider stops on a St. Louis to Basel EuroAirport Swiss flight.

When to book flights from St. Louis to Basel EuroAirport Swiss

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

Cheap St. Louis to Basel EuroAirport Swiss (STL to BSL) flight deals and tips

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

Direct flights

None
There are no direct flights from St. Louis to Basel EuroAirport Swiss. There are no popular flight routes from St. Louis to Basel EuroAirport Swiss.
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  • How far is Lambert-St Louis to Basel EuroAirport Swiss by plane?

    Lambert-St Louis and Basel EuroAirport Swiss are 4628.9 mi apart from one another. In terms of flight time, this usually takes a little over 11h 05m.

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

    Prices for flights from Lambert-St Louis Airport to Basel EuroAirport Swiss are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Basel EuroAirport Swiss.

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

    The travel and health documents required for your trip to Basel EuroAirport Swiss can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Basel EuroAirport Swiss. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Basel. momondo saves you time and could save you money on your trip.

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

All flight searches from St. Louis to Basel on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Basel from St. Louis.

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

Price alerts on flights to Basel from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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