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Cheap flights from St. Louis to Basel from $499

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 1/21. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:57 am - 4:05 pm
STL
-
BSL
23h 08m2 stops
United Airlines Logo
1:10 pm - 10:58 pm
BSL
-
STL
16h 48m2 stops
$499United Airlines
Wed, Jan 21 - Sun, Jan 25
Lufthansa Logo
4:50 pm - 1:35 pm
STL
-
BSL
14h 45m1 stop
Lufthansa Logo
7:05 pm - 9:08 pm
BSL
-
STL
32h 03m2 stops
$681Lufthansa
Fri, Mar 20 - Sat, Mar 28
Lufthansa Logo
4:50 pm - 1:35 pm
STL
-
BSL
14h 45m1 stop
Lufthansa Logo
10:45 am - 1:25 pm
BSL
-
STL
32h 40m1 stop
$701Lufthansa
Fri, Mar 20 - Sat, Mar 28
Lufthansa Logo
4:50 pm - 4:05 pm
STL
-
BSL
17h 15m2 stops
Lufthansa Logo
7:05 pm - 9:08 pm
BSL
-
STL
32h 03m2 stops
$705Lufthansa
Fri, Mar 20 - Sat, Mar 28
Multiple Airlines Logo
11:39 am - 9:10 am
STL
-
BSL
14h 31m2 stops
Multiple Airlines Logo
2:20 pm - 10:59 pm
BSL
-
STL
15h 39m2 stops
$1,177Multiple Airlines
Mon, Mar 2 - Fri, Mar 6
Multiple Airlines Logo
11:45 am - 9:15 am
STL
-
BSL
14h 30m2 stops
Multiple Airlines Logo
2:50 pm - 10:44 pm
BSL
-
STL
14h 54m2 stops
$1,361Multiple Airlines
Thu, May 28 - Sat, Jun 13
Multiple Airlines Logo
3:30 pm - 10:20 am
STL
-
BSL
11h 50m1 stop
Multiple Airlines Logo
2:50 pm - 10:44 pm
BSL
-
STL
14h 54m2 stops
$1,369Multiple Airlines
Fri, Jun 12 - Sat, Jul 4
Multiple Airlines Logo
3:30 pm - 12:25 pm
STL
-
BSL
13h 55m2 stops
Multiple Airlines Logo
2:50 pm - 10:44 pm
BSL
-
STL
14h 54m2 stops
$1,390Multiple Airlines
Fri, Jun 12 - Sat, Jul 4
Multiple Airlines Logo
2:38 pm - 11:00 am
STL
-
BSL
13h 22m2 stops
Multiple Airlines Logo
11:50 am - 8:02 pm
BSL
-
STL
15h 12m2 stops
$1,482Multiple Airlines
Mon, Jun 1 - Wed, Jun 10
Multiple Airlines Logo
3:30 pm - 10:25 am
STL
-
BSL
11h 55m1 stop
Multiple Airlines Logo
2:50 pm - 10:44 pm
BSL
-
STL
14h 54m2 stops
$1,557Multiple Airlines
Mon, Jun 1 - Wed, Jun 10

Lufthansa flights from St. Louis to Basel EuroAirport Swiss

Our best Lufthansa deals on St. Louis to Basel EuroAirport Swiss flight tickets
Lufthansa
Mar 20
STL4:50 pmLambert-St Louis
14h 45m
1 stop
BSL1:35 pmBasel EuroAirport Swiss
Mar 28
BSL7:05 pmBasel EuroAirport Swiss
32h 03m
2 stops
STL9:08 pmLambert-St Louis
$681
Find similar
Lufthansa
Mar 20
STL4:50 pmLambert-St Louis
14h 45m
1 stop
BSL1:35 pmBasel EuroAirport Swiss
Mar 28
BSL10:45 amBasel EuroAirport Swiss
32h 40m
1 stop
STL1:25 pmLambert-St Louis
$701
Find similar
Lufthansa
Mar 20
STL4:50 pmLambert-St Louis
17h 15m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Mar 28
BSL7:05 pmBasel EuroAirport Swiss
32h 03m
2 stops
STL9:08 pmLambert-St Louis
$705
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 December 25, 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

Wed 1/21

9:57 am-4:05 pm

2 stops23h 08m

Basel EuroAirport Swiss

Sun 1/25

1:10 pm-10:58 pm

2 stops16h 48m

$499

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 3/20

4:50 pm-1:35 pm

1 stop14h 45m

Basel EuroAirport Swiss

Sat 3/28

7:05 pm-9:08 pm

2 stops32h 03m

$681

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 3/20

4:50 pm-1:35 pm

1 stop14h 45m

Basel EuroAirport Swiss

Sat 3/28

10:45 am-1:25 pm

1 stop32h 40m

$701

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 3/20

4:50 pm-4:05 pm

2 stops17h 15m

Basel EuroAirport Swiss

Sat 3/28

7:05 pm-9:08 pm

2 stops32h 03m

$705

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 3/2

11:39 am-9:10 am

2 stops14h 31m

Basel EuroAirport Swiss

Fri 3/6

2:20 pm-10:59 pm

2 stops15h 39m

$1,177

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Thu 5/28

11:45 am-9:15 am

2 stops14h 30m

Basel EuroAirport Swiss

Sat 6/13

2:50 pm-10:44 pm

2 stops14h 54m

$1,361

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 6/12

3:30 pm-10:20 am

1 stop11h 50m

Basel EuroAirport Swiss

Sat 7/4

2:50 pm-10:44 pm

2 stops14h 54m

$1,369

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 6/12

3:30 pm-12:25 pm

2 stops13h 55m

Basel EuroAirport Swiss

Sat 7/4

2:50 pm-10:44 pm

2 stops14h 54m

$1,390

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 6/1

2:38 pm-11:00 am

2 stops13h 22m

Basel EuroAirport Swiss

Wed 6/10

11:50 am-8:02 pm

2 stops15h 12m

$1,482

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 6/1

3:30 pm-10:25 am

1 stop11h 55m

Basel EuroAirport Swiss

Wed 6/10

2:50 pm-10:44 pm

2 stops14h 54m

$1,557

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 31% 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

Fastest flight time

11h 05m

Direct flights

None
The fastest flight from St. Louis to Basel EuroAirport Swiss takes 11h 05m
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.
Search flight deals

  • 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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