What is the cheapest airline that flies from Basel to Illinois?

British Airways, American Airlines, and Lufthansa are the most popular carriers operating from Basel to Illinois

When did momondo last update prices for flights from Basel to Illinois?

Prices for flights from Basel to Illinois refresh daily.

How old do you have to be to fly from Basel to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Basel to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$335 Cheap Flights from Basel to Illinois in 2025/26

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Find the cheapest flights from Basel to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 3:25 pmBSL-ORD

16h 10m1 stop

4:14 pm - 3:05 pmORD-BSL

15h 51m2 stops

$468Multiple Airlines

Find Deal

Mon, Jan 12 - Sun, Jan 25

6:15 am - 3:25 pmBSL-ORD

16h 10m1 stop

8:45 pm - 10:20 pmORD-BSL

18h 35m1 stop

$473Multiple Airlines

Find Deal

Mon, Jan 12 - Sun, Jan 25

6:05 am - 3:25 pmBSL-ORD

16h 20m1 stop

6:25 pm - 6:15 pmORD-BSL

16h 50m1 stop

$475American Airlines

Find Deal

Thu, Jan 29 - Mon, Feb 2

7:35 pm - 5:00 pmBSL-ORD

28h 25m1 stop

6:25 pm - 9:35 pmORD-BSL

20h 10m1 stop

$477British Airways

Find Deal

Thu, Jan 29 - Mon, Feb 2

6:05 am - 5:42 pmBSL-ORD

18h 37m2 stops

1:25 pm - 6:15 pmORD-BSL

21h 50m2 stops

$481American Airlines

Find Deal

Thu, Jan 29 - Mon, Feb 2

6:05 am - 5:42 pmBSL-ORD

18h 37m2 stops

4:14 pm - 10:50 pmORD-BSL

23h 36m2 stops

$483British Airways

Find Deal

Thu, Jan 8 - Thu, Jan 15

6:05 am - 12:18 amBSL-STL

24h 13m2 stops

5:59 pm - 1:45 pmSTL-BSL

12h 46m2 stops

$649Delta

Find Deal

Sun, Mar 22 - Sun, Mar 29

1:10 pm - 8:55 pmBSL-STL

37h 45m2 stops

3:30 pm - 10:20 amSTL-BSL

11h 50m1 stop

$767United Airlines

Find Deal

Sun, Mar 22 - Sun, Mar 29

1:10 pm - 2:45 pmBSL-STL

55h 35m2 stops

3:30 pm - 10:20 amSTL-BSL

11h 50m1 stop

$777United Airlines

Find Deal

Sun, Mar 22 - Sun, Mar 29

11:15 am - 5:19 pmBSL-MDW

37h 04m2 stops

9:50 am - 1:50 pmMDW-BSL

21h 00m2 stops

$794Delta

Find Deal

Wed, Dec 24 - Wed, Dec 31

British Airways flights from Basel to Illinois

Our best British Airways deals on Basel to Illinois flight tickets

British Airways

Jan 29

BSL7:35 pmBasel EuroAirport Swiss

28h 25m

1 stop

ORD5:00 pmChicago O'Hare Intl

Feb 2

ORD6:25 pmChicago O'Hare Intl

20h 10m

1 stop

BSL9:35 pmBasel EuroAirport Swiss

$477

Find similar

British Airways

Jan 8

BSL6:05 amBasel EuroAirport Swiss

18h 37m

2 stops

ORD5:42 pmChicago O'Hare Intl

Jan 15

ORD4:14 pmChicago O'Hare Intl

23h 36m

2 stops

BSL10:50 pmBasel EuroAirport Swiss

$483

Find similar

British Airways

Jan 29

BSL6:05 amBasel EuroAirport Swiss

14h 45m

1 stop

ORD1:50 pmChicago O'Hare Intl

Feb 2

ORD5:10 pmChicago O'Hare Intl

18h 05m

1 stop

BSL6:15 pmBasel EuroAirport Swiss

$578

Find similar

Delta flights from Basel to Illinois

Our best Delta deals on Basel to Illinois flight tickets

Delta

Jan 9

BSL6:05 amBasel EuroAirport Swiss

18h 40m

2 stops

ORD5:45 pmChicago O'Hare Intl

Jan 16

ORD10:24 amChicago O'Hare Intl

16h 51m

2 stops

BSL10:15 amBasel EuroAirport Swiss

$599

Find similar

Delta

Mar 22

BSL6:05 amBasel EuroAirport Swiss

24h 13m

2 stops

STL12:18 amLambert-St Louis

Mar 29

STL5:59 pmLambert-St Louis

12h 46m

2 stops

BSL1:45 pmBasel EuroAirport Swiss

$649

Find similar

Delta

Dec 3

BSL6:05 amBasel EuroAirport Swiss

18h 41m

2 stops

ORD5:46 pmChicago O'Hare Intl

Jun 1

ORD2:10 pmChicago O'Hare Intl

16h 35m

2 stops

BSL1:45 pmBasel EuroAirport Swiss

$719

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Mon 1/12

6:15 am-3:25 pm

1 stop16h 10m

Chicago O'Hare Intl

Sun 1/25

4:14 pm-3:05 pm

2 stops15h 51m

$468

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Mon 1/12

6:15 am-3:25 pm

1 stop16h 10m

Chicago O'Hare Intl

Sun 1/25

8:45 pm-10:20 pm

1 stop18h 35m

$473

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 1/29

6:05 am-3:25 pm

1 stop16h 20m

Chicago O'Hare Intl

Mon 2/2

6:25 pm-6:15 pm

1 stop16h 50m

$475

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 1/29

7:35 pm-5:00 pm

1 stop28h 25m

Chicago O'Hare Intl

Mon 2/2

6:25 pm-9:35 pm

1 stop20h 10m

$477

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 1/29

6:05 am-5:42 pm

2 stops18h 37m

Chicago O'Hare Intl

Mon 2/2

1:25 pm-6:15 pm

2 stops21h 50m

$481

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 1/8

6:05 am-5:42 pm

2 stops18h 37m

Chicago O'Hare Intl

Thu 1/15

4:14 pm-10:50 pm

2 stops23h 36m

$483

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Sun 3/22

6:05 am-12:18 am

2 stops24h 13m

Lambert-St Louis

Sun 3/29

5:59 pm-1:45 pm

2 stops12h 46m

$649

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Sun 3/22

1:10 pm-8:55 pm

2 stops37h 45m

Lambert-St Louis

Sun 3/29

3:30 pm-10:20 am

1 stop11h 50m

$767

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Sun 3/22

1:10 pm-2:45 pm

2 stops55h 35m

Lambert-St Louis

Sun 3/29

3:30 pm-10:20 am

1 stop11h 50m

$777

BaselChicago

BSL - MDW

BSLMDW

Basel EuroAirport Swiss

Wed 12/24

11:15 am-5:19 pm

2 stops37h 04m

Chicago Midway

Wed 12/31

9:50 am-1:50 pm

2 stops21h 00m

$794

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Basel to Illinois

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

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Basel is in October. Flight prices, which tend to average around $417, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of October, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $450.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Basel to Illinois is on a Friday when prices can be found for as low as $512. Flights from Basel to Illinois on a Saturday will generally be more expensive and average around $557. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Can stopping save me money on Basel to Illinois flights?

You could potentially save up to 42% on your flight if you consider stops on a Basel to Illinois flight.

Cheap Basel to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Basel to Illinois

Fastest flight time	15h 35m
Direct flights	None

The fastest flight from Basel to Illinois takes 15h 35m

There are no direct flights from Basel to Illinois. There are no popular flight routes from Basel to Illinois.

Search flight deals

When did momondo last update prices for flights from Basel to Illinois?
Prices for flights from Basel to Illinois refresh daily.
How old do you have to be to fly from Basel to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Basel to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Basel to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Basel to Illinois for you.

Can I find flights from Basel to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Basel which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Basel to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from Basel. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Basel to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Basel to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.