How does KAYAK find such low prices on flights from Illinois to Basel?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Basel. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Basel?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Basel from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Basel?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Basel with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Basel?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Basel from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$441 Cheap Flights from Illinois to Basel (BSL)

BSL

KAYAK searches hundreds of travel sites at once for deals on flights to Basel EuroAirport Swiss

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Cheapest round-trip

$441

Lufthansa

Sun 1/25Sun 2/1

STL - BSL • 1 stop

Cheapest one-way

$494

Turkish Airlines

Mon 1/12

ORD - BSL • 1 stop

Start a new search

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We hope you love your trip to Basel!

Flight Deals

Cheap Flights from Illinois to Basel

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Basel that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Basel

Sun, Jan 25 - Sun, Feb 1

3:50 pm - 9:55 am

STL

BSL

11h 05m1 stop

10:45 am - 11:59 pm

BSL

STL

20h 14m2 stops

$441Lufthansa

Sun, Mar 1 - Fri, Mar 13

6:55 pm - 7:40 pm

STL

BSL

17h 45m2 stops

6:45 am - 2:55 pm

BSL

STL

14h 10m1 stop

$467Lufthansa

Sun, Mar 1 - Fri, Mar 13

3:50 pm - 6:20 pm

STL

BSL

19h 30m1 stop

6:45 am - 2:55 pm

BSL

STL

14h 10m1 stop

$474Lufthansa

Sun, Jan 25 - Sun, Feb 1

2:54 pm - 3:05 pm

STL

BSL

17h 11m2 stops

11:20 am - 10:59 pm

BSL

STL

18h 39m2 stops

$485British Airways

Fri, Jan 23 - Tue, Jan 27

9:57 am - 4:05 pm

STL

BSL

23h 08m2 stops

9:50 am - 10:58 pm

BSL

STL

20h 08m2 stops

$499United Airlines

Tue, Mar 31 - Thu, Apr 9

11:25 am - 6:05 pm

ORD

BSL

23h 40m1 stop

7:00 pm - 6:15 pm

BSL

ORD

30h 15m1 stop

$562Turkish Airlines

Sun, Feb 1 - Tue, Feb 17

11:50 am - 10:00 am

ORD

BSL

15h 10m1 stop

10:55 am - 10:05 am

BSL

ORD

30h 10m1 stop

$619Turkish Airlines

Thu, Mar 19 - Sun, Mar 29

2:00 pm - 7:05 pm

STL

BSL

23h 05m2 stops

7:10 pm - 11:04 pm

BSL

STL

34h 54m2 stops

$635British Airways

Thu, Mar 19 - Sun, Mar 29

4:05 pm - 7:40 pm

STL

BSL

21h 35m2 stops

8:20 am - 10:59 pm

BSL

STL

21h 39m2 stops

$649United Airlines

Mon, Feb 2 - Thu, Feb 26

9:50 pm - 4:05 pm

ORD

BSL

11h 15m1 stop

6:30 am - 11:10 am

BSL

ORD

11h 40m1 stop

$696Multiple Airlines

Useful Info

Cheapest flight	$441

Flight from St. Louis to Basel

How does KAYAK find such low prices on flights from Illinois to Basel?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Basel.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Basel?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Basel from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Basel?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Basel with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Basel?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Basel from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Basel

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Complete your trip

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Information on your arrival and departure airports

Basel (BSL)

BSL

$441 Find Cheap Flights from Illinois to Basel

KAYAK searches hundreds of travel sites at once for deals on flights to Basel EuroAirport Swiss

Everything you should know

Cheap Flights from Illinois to Basel

Recent round-trip flight deals from Illinois to Basel

Recent one-way flight deals from Illinois to Basel

Recent last minute flight deals from Illinois to Basel

Good to know

FAQs for booking Illinois to Basel flights

How does KAYAK find such low prices on flights from Illinois to Basel?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Basel.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Basel?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Basel from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Basel?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Basel with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Basel?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Basel from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Basel

Information on your arrival and departure airports

Cabin class types available on flights to Basel

Complete your trip to Basel with a hotel stay or car rental

Find direct flights for Basel

Flights to other popular destinations

Flights from domestic origins to Illinois

Choose which airport to fly into in Basel

Find deals for your return flight