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Cheap flights from St. Louis to Basel from $485

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 9/17. 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
8:33 am - 12:30 pm
STL
-
BSL
20h 57m
2 stops
United Airlines Logo
9:50 am - 3:26 pm
BSL
-
STL
36h 36m
2 stops
$754United Airlines
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
6:00 am - 12:30 pm
STL
-
BSL
23h 30m
3 stops
United Airlines Logo
9:50 am - 3:26 pm
BSL
-
STL
36h 36m
2 stops
$755United Airlines
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
6:00 am - 12:30 pm
STL
-
BSL
23h 30m
3 stops
United Airlines Logo
9:50 am - 7:15 pm
BSL
-
STL
16h 25m
2 stops
$756United Airlines
Sun, Nov 15 - Thu, Nov 19
Air France Logo
12:52 pm - 9:55 am
STL
-
BSL
14h 03m
2 stops
Air France Logo
6:30 pm - 4:44 pm
BSL
-
STL
29h 14m
2 stops
$852Air France
Mon, Aug 17 - Mon, Aug 24
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
$865Lufthansa
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
7:00 am - 9:15 am
STL
-
BSL
19h 15m
2 stops
Multiple Airlines Logo
10:30 am - 1:25 pm
BSL
-
STL
33h 55m
1 stop
$870Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Lufthansa Logo
12:59 pm - 9:15 am
STL
-
BSL
13h 16m
2 stops
Lufthansa Logo
2:30 pm - 1:25 pm
BSL
-
STL
29h 55m
1 stop
$872Lufthansa
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
8:00 am - 9:15 am
STL
-
BSL
18h 15m
2 stops
Multiple Airlines Logo
10:30 am - 6:42 pm
BSL
-
STL
39h 12m
2 stops
$873Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
12:10 pm - 1:40 pm
STL
-
BSL
18h 30m
2 stops
Multiple Airlines Logo
11:55 am - 11:58 pm
BSL
-
STL
19h 03m
2 stops
$898Multiple Airlines
Wed, Aug 12 - Sat, Aug 22
Lufthansa Logo
3:30 pm - 10:00 am
STL
-
BSL
11h 30m
1 stop
Lufthansa Logo
6:00 am - 7:11 pm
BSL
-
STL
20h 11m
2 stops
$913Lufthansa
Wed, Aug 12 - Sat, Aug 22

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Lufthansa flights from St. Louis to Basel EuroAirport Swiss

Our best Lufthansa deals on St. Louis to Basel EuroAirport Swiss flight tickets
Lufthansa
Oct 4
STL3:30 pmLambert-St Louis
11h 25m
1 stop
BSL9:55 amBasel EuroAirport Swiss
Oct 14
BSL6:10 amBasel EuroAirport Swiss
14h 15m
1 stop
STL1:25 pmLambert-St Louis
$780
Lufthansa
Aug 12
STL3:30 pmLambert-St Louis
11h 30m
1 stop
BSL10:00 amBasel EuroAirport Swiss
Aug 22
BSL6:00 amBasel EuroAirport Swiss
20h 11m
2 stops
STL7:11 pmLambert-St Louis
$913
Lufthansa
Aug 12
STL3:30 pmLambert-St Louis
11h 30m
1 stop
BSL10:00 amBasel EuroAirport Swiss
Aug 22
BSL2:50 pmBasel EuroAirport Swiss
29h 35m
1 stop
STL1:25 pmLambert-St Louis
$1,043

Delta flights from St. Louis to Basel EuroAirport Swiss

Our best Delta deals on St. Louis to Basel EuroAirport Swiss flight tickets
Delta
Aug 2
STL10:19 amLambert-St Louis
20h 11m
2 stops
BSL1:30 pmBasel EuroAirport Swiss
Aug 11
BSL6:30 amBasel EuroAirport Swiss
21h 12m
2 stops
STL8:42 pmLambert-St Louis
$898
Delta
Jul 31
STL7:08 amLambert-St Louis
19h 47m
2 stops
BSL9:55 amBasel EuroAirport Swiss
Aug 12
BSL10:15 amBasel EuroAirport Swiss
20h 11m
2 stops
STL11:26 pmLambert-St Louis
$948
Delta
Aug 2
STL6:04 pmLambert-St Louis
12h 26m
2 stops
BSL1:30 pmBasel EuroAirport Swiss
Aug 10
BSL10:15 amBasel EuroAirport Swiss
17h 27m
2 stops
STL8:42 pmLambert-St Louis
$968

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 July 4, 2026.
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

Cheapest round-trip

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 11/15

8:33 am-12:30 pm

2 stops20h 57m

Basel EuroAirport Swiss

Thu 11/19

9:50 am-3:26 pm

2 stops36h 36m

$754

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 11/15

6:00 am-12:30 pm

3 stops23h 30m

Basel EuroAirport Swiss

Thu 11/19

9:50 am-3:26 pm

2 stops36h 36m

$755

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 11/15

6:00 am-12:30 pm

3 stops23h 30m

Basel EuroAirport Swiss

Thu 11/19

9:50 am-7:15 pm

2 stops16h 25m

$756

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 8/17

12:52 pm-9:55 am

2 stops14h 03m

Basel EuroAirport Swiss

Mon 8/24

6:30 pm-4:44 pm

2 stops29h 14m

$852

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 8/17

3:30 pm-10:25 am

1 stop11h 55m

Basel EuroAirport Swiss

Mon 8/24

2:30 pm-1:25 pm

1 stop29h 55m

$865

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 8/17

7:00 am-9:15 am

2 stops19h 15m

Basel EuroAirport Swiss

Mon 8/24

10:30 am-1:25 pm

1 stop33h 55m

$870

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 8/17

12:59 pm-9:15 am

2 stops13h 16m

Basel EuroAirport Swiss

Mon 8/24

2:30 pm-1:25 pm

1 stop29h 55m

$872

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 8/17

8:00 am-9:15 am

2 stops18h 15m

Basel EuroAirport Swiss

Mon 8/24

10:30 am-6:42 pm

2 stops39h 12m

$873

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 8/12

12:10 pm-1:40 pm

2 stops18h 30m

Basel EuroAirport Swiss

Sat 8/22

11:55 am-11:58 pm

2 stops19h 03m

$898
Quickest round-trip

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 8/12

3:30 pm-10:00 am

1 stop11h 30m

Basel EuroAirport Swiss

Sat 8/22

6:00 am-7:11 pm

2 stops20h 11m

$913

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 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 25m

Direct flights

None
The fastest flight from St. Louis to Basel EuroAirport Swiss takes 11h 25m
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

Frequently asked questions about flying from St. Louis to Basel EuroAirport Swiss

  • 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 25m.

  • 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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