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Cheap flights from St. Louis to Basel from $729

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 9/7. 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

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Find the cheapest flights from St. Louis to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:45 pm - 10:55 am
STL
-
BSL
14h 10m
2 stops
Multiple Airlines Logo
11:55 am - 8:30 pm
BSL
-
STL
15h 35m
2 stops
$2,047Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
British Airways Logo
1:45 pm - 10:55 am
STL
-
BSL
14h 10m
2 stops
British Airways Logo
6:10 am - 4:33 pm
BSL
-
STL
17h 23m
2 stops
$2,218British Airways
Thu, Jun 4 - Thu, Jun 25
British Airways Logo
2:36 pm - 11:00 am
STL
-
BSL
13h 24m
2 stops
British Airways Logo
6:40 am - 4:33 pm
BSL
-
STL
16h 53m
2 stops
$2,422British Airways
Mon, May 25 - Wed, Jun 3
British Airways Logo
1:45 pm - 11:00 am
STL
-
BSL
14h 15m
2 stops
British Airways Logo
6:35 am - 4:58 pm
BSL
-
STL
17h 23m
2 stops
$2,451British Airways
Fri, Jun 12 - Sat, Jul 4
British Airways Logo
1:45 pm - 10:55 am
STL
-
BSL
14h 10m
2 stops
British Airways Logo
6:40 am - 4:33 pm
BSL
-
STL
16h 53m
2 stops
$2,743British Airways
Tue, Jun 23 - Wed, Jul 1
British Airways Logo
2:33 pm - 11:15 am
STL
-
BSL
13h 42m
2 stops
British Airways Logo
6:40 am - 4:33 pm
BSL
-
STL
16h 53m
2 stops
$2,762British Airways
Wed, May 20 - Wed, Jun 10
British Airways Logo
2:11 pm - 10:55 am
STL
-
BSL
13h 44m
2 stops
British Airways Logo
6:10 am - 4:33 pm
BSL
-
STL
17h 23m
2 stops
$2,916British Airways
Thu, Jul 16 - Thu, Jul 23
Multiple Airlines Logo
1:13 pm - 9:15 am
STL
-
BSL
13h 02m
2 stops
Multiple Airlines Logo
8:25 am - 1:25 pm
BSL
-
STL
12h 00m
1 stop
$3,456Multiple Airlines
Wed, Jul 8 - Wed, Jul 15
Multiple Airlines Logo
1:13 pm - 9:15 am
STL
-
BSL
13h 02m
2 stops
Multiple Airlines Logo
2:45 pm - 10:44 pm
BSL
-
STL
14h 59m
2 stops
$3,465Multiple Airlines
Wed, Jul 8 - Wed, Jul 15
Multiple Airlines Logo
12:23 pm - 9:10 am
STL
-
BSL
13h 47m
2 stops
Multiple Airlines Logo
2:50 pm - 10:44 pm
BSL
-
STL
14h 54m
2 stops
$3,475Multiple Airlines
Sat, Aug 1 - Sat, Aug 8

British Airways flights from St. Louis to Basel

Our best British Airways deals on St. Louis to Basel flight tickets
British Airways
Jun 4
STL1:45 pmLambert-St Louis
14h 10m
2 stops
BSL10:55 amBasel EuroAirport Swiss
Jun 25
BSL6:10 amBasel EuroAirport Swiss
17h 23m
2 stops
STL4:33 pmLambert-St Louis
$2,218
British Airways
May 25
STL2:36 pmLambert-St Louis
13h 24m
2 stops
BSL11:00 amBasel EuroAirport Swiss
Jun 3
BSL6:40 amBasel EuroAirport Swiss
16h 53m
2 stops
STL4:33 pmLambert-St Louis
$2,422
British Airways
Jun 12
STL1:45 pmLambert-St Louis
14h 15m
2 stops
BSL11:00 amBasel EuroAirport Swiss
Jul 4
BSL6:35 amBasel EuroAirport Swiss
17h 23m
2 stops
STL4:58 pmLambert-St Louis
$2,451

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 March 12, 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

Tue 6/16

1:45 pm-10:55 am

2 stops14h 10m

Basel EuroAirport Swiss

Tue 6/23

11:55 am-8:30 pm

2 stops15h 35m

$2,047

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Thu 6/4

1:45 pm-10:55 am

2 stops14h 10m

Basel EuroAirport Swiss

Thu 6/25

6:10 am-4:33 pm

2 stops17h 23m

$2,218

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 5/25

2:36 pm-11:00 am

2 stops13h 24m

Basel EuroAirport Swiss

Wed 6/3

6:40 am-4:33 pm

2 stops16h 53m

$2,422

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 6/12

1:45 pm-11:00 am

2 stops14h 15m

Basel EuroAirport Swiss

Sat 7/4

6:35 am-4:58 pm

2 stops17h 23m

$2,451

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 6/23

1:45 pm-10:55 am

2 stops14h 10m

Basel EuroAirport Swiss

Wed 7/1

6:40 am-4:33 pm

2 stops16h 53m

$2,743

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 5/20

2:33 pm-11:15 am

2 stops13h 42m

Basel EuroAirport Swiss

Wed 6/10

6:40 am-4:33 pm

2 stops16h 53m

$2,762

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Thu 7/16

2:11 pm-10:55 am

2 stops13h 44m

Basel EuroAirport Swiss

Thu 7/23

6:10 am-4:33 pm

2 stops17h 23m

$2,916
Quickest round-trip

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 7/8

1:13 pm-9:15 am

2 stops13h 02m

Basel EuroAirport Swiss

Wed 7/15

8:25 am-1:25 pm

1 stop12h 00m

$3,456

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 7/8

1:13 pm-9:15 am

2 stops13h 02m

Basel EuroAirport Swiss

Wed 7/15

2:45 pm-10:44 pm

2 stops14h 59m

$3,465

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sat 8/1

12:23 pm-9:10 am

2 stops13h 47m

Basel EuroAirport Swiss

Sat 8/8

2:50 pm-10:44 pm

2 stops14h 54m

$3,475

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

11h 05m

Direct flights

None
The fastest flight from St. Louis to Basel takes 11h 05m
There are no direct flights from St. Louis to Basel. There are no popular flight routes from St. Louis to Basel.
Search flight deals

  • 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 11h 05m.

  • 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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