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Cheap flights from Illinois to Basel from $305

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 10/21. 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
11:25 am - 9:45 am-
15h 20m
Turkish Airlines Logo
6:10 pm - 11:00 am-
22h 50m
$685Turkish Airlines
Wed, Oct 21 - Wed, Oct 28
Turkish Airlines Logo
8:10 pm - 6:15 pm-
15h 05m
Turkish Airlines Logo
7:10 pm - 9:40 am-
21h 30m
$690Turkish Airlines
Mon, Sep 21 - Tue, Oct 6
Turkish Airlines Logo
8:10 pm - 6:20 pm-
15h 10m
Turkish Airlines Logo
7:15 pm - 9:40 am-
21h 25m
$693Turkish Airlines
Wed, Sep 23 - Wed, Oct 7
Turkish Airlines Logo
8:10 pm - 6:20 pm-
15h 10m
Turkish Airlines Logo
7:15 pm - 9:40 am-
21h 25m
$693Turkish Airlines
Mon, Sep 21 - Tue, Oct 6
Turkish Airlines Logo
8:10 pm - 6:20 pm-
15h 10m
Turkish Airlines Logo
7:15 pm - 9:40 am-
21h 25m
$693Turkish Airlines
Wed, Sep 16 - Wed, Sep 23
Turkish Airlines Logo
8:10 pm - 6:20 pm-
15h 10m
Turkish Airlines Logo
7:15 pm - 9:40 am-
21h 25m
$694Turkish Airlines
Mon, Sep 21 - Tue, Oct 6
Turkish Airlines Logo
11:45 am - 5:15 pm-
22h 30m
Turkish Airlines Logo
10:45 am - 10:00 am-
30h 15m
$695Turkish Airlines
Tue, Dec 1 - Tue, Dec 15
Turkish Airlines Logo
8:10 pm - 6:20 pm-
15h 10m
Turkish Airlines Logo
7:15 pm - 9:40 am-
21h 25m
$695Turkish Airlines
Mon, Sep 21 - Tue, Oct 6
Turkish Airlines Logo
12:45 pm - 5:15 pm-
22h 30m
Turkish Airlines Logo
10:45 am - 10:00 am-
30h 15m
$695Turkish Airlines
Thu, Oct 29 - Thu, Nov 12
Turkish Airlines Logo
9:15 pm - 9:50 am-
29h 35m
Turkish Airlines Logo
6:10 pm - 10:00 am-
22h 50m
$698Turkish Airlines
Wed, Nov 4 - Wed, Nov 18

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Air France flights from Illinois to Basel

Our best Air France deals on Illinois to Basel flight tickets
Air France
Sep 13
STL10:29 amLambert-St Louis
20h 16m
2 stops
BSL1:45 pmBasel EuroAirport Swiss
Sep 20
BSL10:15 amBasel EuroAirport Swiss
20h 01m
2 stops
STL11:16 pmLambert-St Louis
$959
Air France
Sep 13
STL10:29 amLambert-St Louis
20h 16m
2 stops
BSL1:45 pmBasel EuroAirport Swiss
Sep 20
BSL6:30 amBasel EuroAirport Swiss
17h 40m
2 stops
STL5:10 pmLambert-St Louis
$961
Air France
Sep 16
MDW1:00 pmChicago Midway
13h 55m
2 stops
BSL9:55 amBasel EuroAirport Swiss
Sep 23
BSL10:15 amBasel EuroAirport Swiss
15h 04m
2 stops
MDW6:19 pmChicago Midway
$997

Lufthansa flights from Illinois to Basel

Our best Lufthansa deals on Illinois to Basel flight tickets
Lufthansa
Sep 21
STL3:30 pmLambert-St Louis
15h 30m
1 stop
BSL2:00 pmBasel EuroAirport Swiss
Sep 28
BSL2:30 pmBasel EuroAirport Swiss
29h 55m
1 stop
STL1:25 pmLambert-St Louis
$811
Lufthansa
Sep 28
STL3:30 pmLambert-St Louis
15h 30m
1 stop
BSL2:00 pmBasel EuroAirport Swiss
Oct 5
BSL2:30 pmBasel EuroAirport Swiss
29h 55m
1 stop
STL1:25 pmLambert-St Louis
$815
Lufthansa
Sep 13
STL3:30 pmLambert-St Louis
11h 25m
1 stop
BSL9:55 amBasel EuroAirport Swiss
Sep 20
BSL6:00 amBasel EuroAirport Swiss
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$964

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 August 4, 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

Wed 10/21

11:25 am-9:45 am

1 stop15h 20m

Basel EuroAirport Swiss

Wed 10/28

6:10 pm-11:00 am

1 stop22h 50m

$685
Quickest round-trip

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Mon 9/21

8:10 pm-6:15 pm

1 stop15h 05m

Basel EuroAirport Swiss

Tue 10/6

7:10 pm-9:40 am

1 stop21h 30m

$690

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 9/23

8:10 pm-6:20 pm

1 stop15h 10m

Basel EuroAirport Swiss

Wed 10/7

7:15 pm-9:40 am

1 stop21h 25m

$693

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Mon 9/21

8:10 pm-6:20 pm

1 stop15h 10m

Basel EuroAirport Swiss

Tue 10/6

7:15 pm-9:40 am

1 stop21h 25m

$693

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 9/16

8:10 pm-6:20 pm

1 stop15h 10m

Basel EuroAirport Swiss

Wed 9/23

7:15 pm-9:40 am

1 stop21h 25m

$693

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Mon 9/21

8:10 pm-6:20 pm

1 stop15h 10m

Basel EuroAirport Swiss

Tue 10/6

7:15 pm-9:40 am

1 stop21h 25m

$694

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 12/1

11:45 am-5:15 pm

1 stop22h 30m

Basel EuroAirport Swiss

Tue 12/15

10:45 am-10:00 am

1 stop30h 15m

$695

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Mon 9/21

8:10 pm-6:20 pm

1 stop15h 10m

Basel EuroAirport Swiss

Tue 10/6

7:15 pm-9:40 am

1 stop21h 25m

$695

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Thu 10/29

12:45 pm-5:15 pm

1 stop22h 30m

Basel EuroAirport Swiss

Thu 11/12

10:45 am-10:00 am

1 stop30h 15m

$695

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 11/4

9:15 pm-9:50 am

1 stop29h 35m

Basel EuroAirport Swiss

Wed 11/18

6:10 pm-10:00 am

1 stop22h 50m

$698

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

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?

American Airlines, Turkish Airlines, and United 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

11h 55m

Direct flights

None
The fastest flight from Illinois to Basel takes 11h 55m
There are no direct flights from Illinois to Basel. There are no popular flight routes from Illinois to Basel.
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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.

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