Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Illinois to Basel from $395

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Basel departing on 9/19. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Illinois to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
11:25 am - 9:45 am
ORD
-
BSL
15h 20m
1 stop
Turkish Airlines Logo
7:10 pm - 9:40 am
BSL
-
ORD
21h 30m
1 stop
$607Turkish Airlines
Tue, Sep 1 - Tue, Sep 15
Turkish Airlines Logo
8:10 pm - 9:45 am
ORD
-
BSL
30h 35m
1 stop
Turkish Airlines Logo
10:40 am - 9:40 am
BSL
-
ORD
30h 00m
1 stop
$651Turkish Airlines
Wed, Sep 2 - Wed, Sep 16
Turkish Airlines Logo
11:25 am - 9:45 am
ORD
-
BSL
15h 20m
1 stop
Turkish Airlines Logo
7:10 pm - 9:40 am
BSL
-
ORD
21h 30m
1 stop
$665Turkish Airlines
Sun, Sep 27 - Sun, Oct 11
British Airways Logo
9:35 pm - 6:55 pm
STL
-
BSL
14h 20m
1 stop
British Airways Logo
11:50 am - 7:30 pm
BSL
-
STL
14h 40m
1 stop
$848British Airways
Tue, Aug 11 - Wed, Aug 26
British Airways Logo
8:35 am - 10:55 am
STL
-
BSL
19h 20m
2 stops
British Airways Logo
6:40 am - 7:30 pm
BSL
-
STL
19h 50m
1 stop
$853British Airways
Tue, Aug 11 - Wed, Aug 26
Multiple Airlines Logo
11:25 am - 6:00 pm
ORD
-
BSL
23h 35m
2 stops
Multiple Airlines Logo
1:30 pm - 9:40 am
BSL
-
ORD
51h 10m
2 stops
$898Multiple Airlines
Tue, Apr 28 - Tue, May 5
Air Canada Logo
2:40 pm - 1:40 pm
STL
-
BSL
40h 00m
2 stops
Air Canada Logo
6:00 am - 2:00 pm
BSL
-
STL
39h 00m
2 stops
$926Air Canada
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
1:13 pm - 9:10 am
STL
-
BSL
12h 57m
2 stops
Multiple Airlines Logo
7:15 am - 11:41 pm
BSL
-
STL
23h 26m
2 stops
$933Multiple Airlines
Sat, Aug 8 - Sun, Aug 16
United Airlines Logo
12:30 pm - 9:15 am
STL
-
BSL
13h 45m
2 stops
United Airlines Logo
6:10 am - 1:25 pm
BSL
-
STL
14h 15m
1 stop
$980United Airlines
Tue, Aug 11 - Wed, Aug 26
United Airlines Logo
12:30 pm - 9:15 am
STL
-
BSL
13h 45m
2 stops
United Airlines Logo
9:50 am - 8:07 pm
BSL
-
STL
17h 17m
2 stops
$987United Airlines
Tue, Aug 11 - Wed, Aug 26

Turkish Airlines flights from Illinois to Basel

Our best Turkish Airlines deals on Illinois to Basel flight tickets
Turkish Airlines
Sep 1
ORD11:25 amChicago O'Hare Intl
15h 20m
1 stop
BSL9:45 amBasel EuroAirport Swiss
Sep 15
BSL7:10 pmBasel EuroAirport Swiss
21h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$607
Turkish Airlines
Sep 2
ORD8:10 pmChicago O'Hare Intl
30h 35m
1 stop
BSL9:45 amBasel EuroAirport Swiss
Sep 16
BSL10:40 amBasel EuroAirport Swiss
30h 00m
1 stop
ORD9:40 amChicago O'Hare Intl
$651
Turkish Airlines
Sep 27
ORD11:25 amChicago O'Hare Intl
15h 20m
1 stop
BSL9:45 amBasel EuroAirport Swiss
Oct 11
BSL7:10 pmBasel EuroAirport Swiss
21h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$665

United Airlines flights from Illinois to Basel

Our best United Airlines deals on Illinois to Basel flight tickets
United Airlines
Aug 11
STL12:30 pmLambert-St Louis
13h 45m
2 stops
BSL9:15 amBasel EuroAirport Swiss
Aug 26
BSL6:10 amBasel EuroAirport Swiss
14h 15m
1 stop
STL1:25 pmLambert-St Louis
$980
United Airlines
Aug 11
STL12:30 pmLambert-St Louis
13h 45m
2 stops
BSL9:15 amBasel EuroAirport Swiss
Aug 26
BSL9:50 amBasel EuroAirport Swiss
17h 17m
2 stops
STL8:07 pmLambert-St Louis
$987
United Airlines
Aug 8
STL12:55 pmLambert-St Louis
46h 15m
2 stops
BSL6:10 pmBasel EuroAirport Swiss
Aug 16
BSL6:00 amBasel EuroAirport Swiss
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$1,074

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 April 2, 2026.
Use the filters below to find and compare flights from Illinois to Basel that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 9/1

11:25 am-9:45 am

1 stop15h 20m

Basel EuroAirport Swiss

Tue 9/15

7:10 pm-9:40 am

1 stop21h 30m

$607

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 9/2

8:10 pm-9:45 am

1 stop30h 35m

Basel EuroAirport Swiss

Wed 9/16

10:40 am-9:40 am

1 stop30h 00m

$651

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 9/27

11:25 am-9:45 am

1 stop15h 20m

Basel EuroAirport Swiss

Sun 10/11

7:10 pm-9:40 am

1 stop21h 30m

$665

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 8/11

9:35 pm-6:55 pm

1 stop14h 20m

Basel EuroAirport Swiss

Wed 8/26

11:50 am-7:30 pm

1 stop14h 40m

$848

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 8/11

8:35 am-10:55 am

2 stops19h 20m

Basel EuroAirport Swiss

Wed 8/26

6:40 am-7:30 pm

1 stop19h 50m

$853

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 4/28

11:25 am-6:00 pm

2 stops23h 35m

Basel EuroAirport Swiss

Tue 5/5

1:30 pm-9:40 am

2 stops51h 10m

$898

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sat 9/12

2:40 pm-1:40 pm

2 stops40h 00m

Basel EuroAirport Swiss

Sat 9/19

6:00 am-2:00 pm

2 stops39h 00m

$926

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Sat 8/8

1:13 pm-9:10 am

2 stops12h 57m

Basel EuroAirport Swiss

Sun 8/16

7:15 am-11:41 pm

2 stops23h 26m

$933
Quickest round-trip

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 8/11

12:30 pm-9:15 am

2 stops13h 45m

Basel EuroAirport Swiss

Wed 8/26

6:10 am-1:25 pm

1 stop14h 15m

$980

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 8/11

12:30 pm-9:15 am

2 stops13h 45m

Basel EuroAirport Swiss

Wed 8/26

9:50 am-8:07 pm

2 stops17h 17m

$987

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Basel from

How to get the cheapest flight ticket from Illinois 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

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

British Airways, United Airlines, and Turkish Airlines are the most popular carriers operating from Illinois to Basel

Cheap Illinois to Basel flight deals and tips

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

Fastest flight time

10h 35m

Direct flights

None
The fastest flight from Illinois to Basel takes 10h 35m
There are no direct flights from Illinois to Basel. There are no popular flight routes from Illinois to Basel.
Search flight deals

Frequently asked questions about flying from Illinois to Basel

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

    Prices for flights from Illinois to Basel were last updated today.

  • How old do you have to be to fly from Illinois 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 Illinois to Basel.

  • What documentation or ID do you need to fly to Basel?

    The required travel and health documents for your Basel 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 Basel. 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 Illinois to Basel?

It is quick and easy to find Illinois to Basel flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Basel that suits you.

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

All flight searches from Illinois to Basel on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Illinois 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 Illinois to Basel right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois 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.

An easier way to manage your Basel trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 5/2
Sat 5/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Switzerland