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Cheap flights from Illinois to Basel from $350

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 11/28. 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

Find the cheapest flights from Illinois to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:10 pm - 6:15 pm
ORD
-
BSL
15h 05m
1 stop
Turkish Airlines Logo
7:10 pm - 9:40 am
BSL
-
ORD
21h 30m
1 stop
$705Turkish Airlines
Tue, Oct 6 - Thu, Oct 22
Turkish Airlines Logo
11:25 am - 9:45 am
ORD
-
BSL
15h 20m
1 stop
Turkish Airlines Logo
10:45 am - 11:00 am
BSL
-
ORD
31h 15m
1 stop
$707Turkish Airlines
Tue, Oct 20 - Tue, Nov 3
British Airways Logo
5:10 pm - 2:10 pm
ORD
-
BSL
14h 00m
1 stop
British Airways Logo
7:00 am - 1:50 pm
BSL
-
ORD
13h 50m
1 stop
$708British Airways
Fri, Nov 6 - Tue, Nov 10
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
$712Turkish Airlines
Tue, Sep 15 - Tue, Sep 29
United Airlines Logo
6:45 pm - 4:05 pm
STL
-
BSL
14h 20m
2 stops
United Airlines Logo
9:50 am - 3:30 pm
BSL
-
STL
36h 40m
2 stops
$756United Airlines
Mon, Nov 2 - Thu, Nov 5
Lufthansa Logo
11:25 am - 9:15 am
STL
-
BSL
14h 50m
2 stops
Lufthansa Logo
6:00 am - 1:25 pm
BSL
-
STL
14h 25m
1 stop
$862Lufthansa
Mon, Aug 10 - Mon, Aug 17
United Airlines Logo
7:30 am - 9:15 am
STL
-
BSL
18h 45m
2 stops
United Airlines Logo
1:10 pm - 3:30 pm
BSL
-
STL
56h 20m
2 stops
$867United Airlines
Fri, Oct 9 - Mon, Oct 26
Lufthansa Logo
11:25 am - 9:15 am
STL
-
BSL
14h 50m
2 stops
Lufthansa Logo
10:30 am - 7:16 pm
BSL
-
STL
15h 46m
2 stops
$868Lufthansa
Mon, Aug 10 - Mon, Aug 17
American Airlines Logo
6:13 pm - 6:55 pm
STL
-
BSL
17h 42m
2 stops
American Airlines Logo
6:10 am - 7:30 pm
BSL
-
STL
20h 20m
2 stops
$904American Airlines
Tue, Jul 28 - Thu, Aug 6
British Airways Logo
7:57 pm - 9:35 pm
CMI
-
BSL
42h 38m
2 stops
British Airways Logo
6:05 am - 7:25 pm
BSL
-
CMI
20h 20m
2 stops
$981British Airways
Sun, Nov 8 - Thu, Nov 12

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British Airways flights from Illinois to Basel EuroAirport Swiss

Our best British Airways deals on Illinois to Basel EuroAirport Swiss flight tickets
British Airways
Nov 2
STL6:13 pmLambert-St Louis
17h 02m
2 stops
BSL6:15 pmBasel EuroAirport Swiss
Nov 5
BSL11:05 amBasel EuroAirport Swiss
18h 24m
2 stops
STL10:29 pmLambert-St Louis
$981
British Airways
Jul 3
STL7:51 pmLambert-St Louis
19h 59m
2 stops
BSL10:50 pmBasel EuroAirport Swiss
Jul 17
BSL11:45 amBasel EuroAirport Swiss
19h 31m
2 stops
STL12:16 amLambert-St Louis
$1,253
British Airways
Jun 26
ORD10:30 amChicago O'Hare Intl
17h 30m
2 stops
BSL11:00 amBasel EuroAirport Swiss
Jun 30
BSL8:15 amBasel EuroAirport Swiss
18h 05m
2 stops
ORD7:20 pmChicago O'Hare Intl
$2,361

Air France flights from Illinois to Basel EuroAirport Swiss

Our best Air France deals on Illinois to Basel EuroAirport Swiss flight tickets
Air France
Aug 13
MDW1:27 pmChicago Midway
13h 28m
2 stops
BSL9:55 amBasel EuroAirport Swiss
Aug 28
BSL10:15 amBasel EuroAirport Swiss
14h 46m
2 stops
MDW6:01 pmChicago Midway
$943
Air France
Jul 31
MDW12:41 pmChicago Midway
14h 14m
2 stops
BSL9:55 amBasel EuroAirport Swiss
Aug 7
BSL10:15 amBasel EuroAirport Swiss
14h 46m
2 stops
MDW6:01 pmChicago Midway
$1,031
Air France
Jul 31
MDW1:18 pmChicago Midway
13h 27m
2 stops
BSL9:45 amBasel EuroAirport Swiss
Aug 23
BSL10:15 amBasel EuroAirport Swiss
14h 46m
2 stops
MDW6:01 pmChicago Midway
$1,034

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 June 20, 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 10/6

8:10 pm-6:15 pm

1 stop15h 05m

Basel EuroAirport Swiss

Thu 10/22

7:10 pm-9:40 am

1 stop21h 30m

$705

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 10/20

11:25 am-9:45 am

1 stop15h 20m

Basel EuroAirport Swiss

Tue 11/3

10:45 am-11:00 am

1 stop31h 15m

$707
Quickest round-trip

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Fri 11/6

5:10 pm-2:10 pm

1 stop14h 00m

Basel EuroAirport Swiss

Tue 11/10

7:00 am-1:50 pm

1 stop13h 50m

$708

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 9/15

8:10 pm-6:15 pm

1 stop15h 05m

Basel EuroAirport Swiss

Tue 9/29

10:40 am-9:40 am

1 stop30h 00m

$712

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 11/2

6:45 pm-4:05 pm

2 stops14h 20m

Basel EuroAirport Swiss

Thu 11/5

9:50 am-3:30 pm

2 stops36h 40m

$756

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 8/10

11:25 am-9:15 am

2 stops14h 50m

Basel EuroAirport Swiss

Mon 8/17

6:00 am-1:25 pm

1 stop14h 25m

$862

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 10/9

7:30 am-9:15 am

2 stops18h 45m

Basel EuroAirport Swiss

Mon 10/26

1:10 pm-3:30 pm

2 stops56h 20m

$867

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 8/10

11:25 am-9:15 am

2 stops14h 50m

Basel EuroAirport Swiss

Mon 8/17

10:30 am-7:16 pm

2 stops15h 46m

$868

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 7/28

6:13 pm-6:55 pm

2 stops17h 42m

Basel EuroAirport Swiss

Thu 8/6

6:10 am-7:30 pm

2 stops20h 20m

$904

ChampaignBasel

CMI - BSL

CMIBSL

Champaign University-Willard

Sun 11/8

7:57 pm-9:35 pm

2 stops42h 38m

Basel EuroAirport Swiss

Thu 11/12

6:05 am-7:25 pm

2 stops20h 20m

$981

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 is the most popular carrier 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

13h 28m

Direct flights

None
The fastest flight from Illinois to Basel EuroAirport Swiss takes 13h 28m
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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