HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Basel

$655+ Cheap flights from St. Louis (STL) to Basel (EAP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EAP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Basel with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Basel

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Basel (EAP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$655
(Lufthansa)
From Lambert-St Louis to Basel (EAP)
Search Deals

Find flight deals from St. Louis to Basel

Cheapest flights from St. Louis to Basel
Explore the most affordable flight options available from St. Louis to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Lufthansa deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:50 pmSTL - BSL
1 stop11h 10mLufthansa
Sun 11/96:50 amBSL - STL
1 stop14h 05mLufthansa
Deal found 6/10$655
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:43 pmSTL - BSL
2 stops18h 57mUnited Airlines
Sun 11/96:50 amBSL - STL
1 stop14h 05mUnited Airlines
Deal found 6/10$656
This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:15 pmSTL - BSL
2 stops15h 25mAir Canada
Sun 11/910:50 amBSL - STL
2 stops35h 36mAir Canada
Deal found 6/11$668
This United deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2611:19 amSTL - BSL
2 stops14h 51mMultiple Airlines
Wed 9/38:25 amBSL - STL
1 stop12h 05mMultiple Airlines
Deal found 6/12$676
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/278:01 pmSTL - BSL
2 stops19h 49mAmerican Airlines
Sun 8/37:05 amBSL - STL
2 stops19h 09mAmerican Airlines
Deal found 6/12$1,030
This Priceline deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/24:39 pmSTL - BSL
2 stops15h 21mBritish Airways
Sat 12/66:50 amBSL - STL
2 stops21h 57mBritish Airways
Deal found 6/11$1,201
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/248:10 amSTL - BSL
2 stops26h 50mTurkish Airlines
Fri 6/276:55 pmBSL - STL
2 stops34h 50mTurkish Airlines
Deal found 6/11$1,888

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Basel that are best for you.

Fly from

St. Louis

Fly to

Basel

Route

Depart

Return

Price

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 10/26

4:50 pm-10:00 am

1 stop11h 10m

Basel EuroAirport Swiss

Sun 11/9

6:50 am-1:55 pm

1 stop14h 05m

$655

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 10/26

6:43 pm-7:40 pm

2 stops18h 57m

Basel EuroAirport Swiss

Sun 11/9

6:50 am-1:55 pm

1 stop14h 05m

$656

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 10/26

4:15 pm-1:40 pm

2 stops15h 25m

Basel EuroAirport Swiss

Sun 11/9

10:50 am-3:26 pm

2 stops35h 36m

$668

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 8/26

11:19 am-9:10 am

2 stops14h 51m

Basel EuroAirport Swiss

Wed 9/3

8:25 am-1:30 pm

1 stop12h 05m

$676

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sun 7/27

8:01 pm-10:50 pm

2 stops19h 49m

Basel EuroAirport Swiss

Sun 8/3

7:05 am-7:14 pm

2 stops19h 09m

$1,030

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 12/2

4:39 pm-3:00 pm

2 stops15h 21m

Basel EuroAirport Swiss

Sat 12/6

6:50 am-9:47 pm

2 stops21h 57m

$1,201

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 6/24

8:10 am-6:00 pm

2 stops26h 50m

Basel EuroAirport Swiss

Fri 6/27

6:55 pm-10:45 pm

2 stops34h 50m

$1,888

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Thu 6/26

1:30 pm-10:55 am

2 stops14h 25m

$899

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Thu 6/26

7:47 pm-7:05 pm

2 stops16h 18m

$997

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from St. Louis to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Basel

Rainfall in Basel by month

Plan your trip to Basel by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Basel ranges from 1.9 - 3.4 inches per month. June is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Basel when rainfall is around 1.9 in.

Temperature in Basel by month

Plan your trip to Basel by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Basel, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Basel

Get insights into the airlines that provide service to Basel. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Basel. Reviews last updated June 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,848 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,537 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,139 reviews
United Airlines
7.4
Good
8,790 reviews

Food

6.6

Entertainment

7.0

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Basel. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Basel round-trip?

    According to our current data, Lufthansa ($655), United Airlines ($656), and Air Canada ($668) offers the cheapest pricing from St. Louis to Basel.

  • Can I find deals for flights from St. Louis to Basel that include hotel bookings?

    Yes. In addition to deals on St. Louis to Basel flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Basel?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Basel.

  • Can I find deals for business class flights from St. Louis to Basel?

    Yes. Cheapflights offers flight deals from St. Louis to Basel by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Basel?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Basel (average of $545). Flying from St. Louis to Basel in June is currently the most expensive (average of $1,132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.