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Cheap flights from Illinois to Basel from $390

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 6/11. 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
0 bags

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
$674Turkish Airlines
Tue, Sep 1 - Tue, Sep 15
Turkish Airlines Logo
11:25 am - 9:45 am
ORD
-
BSL
15h 20m
1 stop
Turkish Airlines Logo
10:40 am - 9:40 am
BSL
-
ORD
30h 00m
1 stop
$711Turkish Airlines
Fri, Oct 2 - Fri, Oct 16
Turkish Airlines Logo
8:10 pm - 6:15 pm
ORD
-
BSL
15h 05m
1 stop
Turkish Airlines Logo
10:40 am - 9:40 am
BSL
-
ORD
30h 00m
1 stop
$714Turkish Airlines
Mon, Sep 28 - Mon, Oct 12
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
$910British Airways
Tue, Aug 11 - Wed, Aug 26
Air France Logo
5:36 pm - 1:45 pm
STL
-
BSL
13h 09m
2 stops
Air France Logo
6:30 am - 2:52 pm
BSL
-
STL
15h 22m
2 stops
$1,184Air France
Tue, Jun 2 - Tue, Jun 9
American Airlines Logo
9:35 pm - 7:30 pm
STL
-
BSL
14h 55m
1 stop
American Airlines Logo
6:40 am - 4:58 pm
BSL
-
STL
17h 18m
2 stops
$1,248American Airlines
Wed, Jun 17 - Wed, Jun 24
British Airways Logo
9:35 pm - 10:50 pm
STL
-
BSL
18h 15m
1 stop
British Airways Logo
8:15 am - 11:59 pm
BSL
-
STL
22h 44m
2 stops
$1,250British Airways
Tue, Jun 2 - Tue, Jun 9
Multiple Airlines Logo
9:25 am - 7:50 am
MDW
-
BSL
15h 25m
2 stops
Multiple Airlines Logo
6:05 am - 8:10 pm
BSL
-
MDW
21h 05m
2 stops
$1,252Multiple Airlines
Thu, May 21 - Tue, May 26
Multiple Airlines Logo
1:25 pm - 10:55 am
STL
-
BSL
14h 30m
2 stops
Multiple Airlines Logo
11:50 am - 10:00 pm
BSL
-
STL
17h 10m
2 stops
$1,270Multiple Airlines
Tue, Aug 25 - Wed, Oct 7
Air France Logo
1:22 pm - 9:55 am
MDW
-
BSL
13h 33m
2 stops
Air France Logo
10:15 am - 6:18 pm
BSL
-
MDW
15h 03m
2 stops
$2,136Air France
Wed, Jun 3 - Tue, Jun 16

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Turkish Airlines flights from Illinois to Basel EuroAirport Swiss

Our best Turkish Airlines deals on Illinois to Basel EuroAirport Swiss 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
$674
Turkish Airlines
Oct 2
ORD11:25 amChicago O'Hare Intl
15h 20m
1 stop
BSL9:45 amBasel EuroAirport Swiss
Oct 16
BSL10:40 amBasel EuroAirport Swiss
30h 00m
1 stop
ORD9:40 amChicago O'Hare Intl
$711
Turkish Airlines
Sep 28
ORD8:10 pmChicago O'Hare Intl
15h 05m
1 stop
BSL6:15 pmBasel EuroAirport Swiss
Oct 12
BSL10:40 amBasel EuroAirport Swiss
30h 00m
1 stop
ORD9:40 amChicago O'Hare Intl
$714

British Airways flights from Illinois to Basel EuroAirport Swiss

Our best British Airways deals on Illinois to Basel EuroAirport Swiss flight tickets
British Airways
Aug 11
STL9:35 pmLambert-St Louis
14h 20m
1 stop
BSL6:55 pmBasel EuroAirport Swiss
Aug 26
BSL11:50 amBasel EuroAirport Swiss
14h 40m
1 stop
STL7:30 pmLambert-St Louis
$910
British Airways
Jul 21
ORD12:50 pmChicago O'Hare Intl
15h 05m
2 stops
BSL10:55 amBasel EuroAirport Swiss
Jul 27
BSL9:35 pmBasel EuroAirport Swiss
28h 48m
2 stops
ORD7:23 pmChicago O'Hare Intl
$1,128
British Airways
Jun 2
STL9:35 pmLambert-St Louis
18h 15m
1 stop
BSL10:50 pmBasel EuroAirport Swiss
Jun 9
BSL8:15 amBasel EuroAirport Swiss
22h 44m
2 stops
STL11:59 pmLambert-St Louis
$1,250

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Basel EuroAirport Swiss 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 May 5, 2026.
Use the filters below to find and compare flights from Illinois to Basel EuroAirport Swiss 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

$674

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Fri 10/2

11:25 am-9:45 am

1 stop15h 20m

Basel EuroAirport Swiss

Fri 10/16

10:40 am-9:40 am

1 stop30h 00m

$711

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Mon 9/28

8:10 pm-6:15 pm

1 stop15h 05m

Basel EuroAirport Swiss

Mon 10/12

10:40 am-9:40 am

1 stop30h 00m

$714

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

$910
Quickest round-trip

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 6/2

5:36 pm-1:45 pm

2 stops13h 09m

Basel EuroAirport Swiss

Tue 6/9

6:30 am-2:52 pm

2 stops15h 22m

$1,184

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 6/17

9:35 pm-7:30 pm

1 stop14h 55m

Basel EuroAirport Swiss

Wed 6/24

6:40 am-4:58 pm

2 stops17h 18m

$1,248

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 6/2

9:35 pm-10:50 pm

1 stop18h 15m

Basel EuroAirport Swiss

Tue 6/9

8:15 am-11:59 pm

2 stops22h 44m

$1,250

ChicagoBasel

MDW - BSL

MDWBSL

Chicago Midway

Thu 5/21

9:25 am-7:50 am

2 stops15h 25m

Basel EuroAirport Swiss

Tue 5/26

6:05 am-8:10 pm

2 stops21h 05m

$1,252

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 8/25

1:25 pm-10:55 am

2 stops14h 30m

Basel EuroAirport Swiss

Wed 10/7

11:50 am-10:00 pm

2 stops17h 10m

$1,270

ChicagoBasel

MDW - BSL

MDWBSL

Chicago Midway

Wed 6/3

1:22 pm-9:55 am

2 stops13h 33m

Basel EuroAirport Swiss

Tue 6/16

10:15 am-6:18 pm

2 stops15h 03m

$2,136

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 Illinois to Basel EuroAirport Swiss

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 EuroAirport Swiss?

Turkish Airlines, British Airways, and Air France are the most popular carriers operating from Illinois to Basel EuroAirport Swiss

Cheap Illinois to Basel EuroAirport Swiss flight deals and tips

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

Fastest flight time

10h 35m

Direct flights

None
The fastest flight from Illinois to Basel EuroAirport Swiss takes 10h 35m
There are no direct flights from Illinois to Basel EuroAirport Swiss. There are no popular flight routes from Illinois to Basel EuroAirport Swiss.
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Frequently asked questions about flying from Illinois to Basel EuroAirport Swiss

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Basel EuroAirport Swiss.

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

    The travel and health documents you'll need for your trip to Basel EuroAirport Swiss may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Basel EuroAirport Swiss. It is always advisable to seek 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 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?

Price alerts on flights to Basel from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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