Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Illinois to Basel from $386

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 4/25. 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
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
$615Turkish Airlines
Tue, Sep 15 - Tue, Sep 29
Turkish Airlines Logo
11:25 am - 9:45 am
ORD
-
BSL
15h 20m
1 stop
Turkish Airlines Logo
10:40 am - 6:15 pm
BSL
-
ORD
38h 35m
1 stop
$648Turkish Airlines
Tue, Sep 8 - Mon, Sep 14
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
$671Turkish Airlines
Sun, Aug 23 - Sun, Sep 6
British Airways Logo
1:30 pm - 6:55 pm
STL
-
BSL
22h 25m
2 stops
British Airways Logo
9:35 pm - 11:38 pm
BSL
-
STL
33h 03m
2 stops
$833British Airways
Tue, Sep 1 - Mon, Sep 21
Multiple Airlines Logo
3:30 pm - 10:20 am
STL
-
BSL
11h 50m
1 stop
Multiple Airlines Logo
8:15 pm - 8:00 pm
BSL
-
STL
30h 45m
2 stops
$869Multiple Airlines
Tue, Sep 1 - Mon, Sep 21
Lufthansa Logo
3:30 pm - 10:20 am
STL
-
BSL
11h 50m
1 stop
Lufthansa Logo
6:45 pm - 1:25 pm
BSL
-
STL
25h 40m
1 stop
$870Lufthansa
Tue, Sep 1 - Mon, Sep 21
British Airways Logo
1:37 pm - 10:55 am
STL
-
BSL
14h 18m
2 stops
British Airways Logo
11:55 am - 10:00 pm
BSL
-
STL
17h 05m
2 stops
$1,251British Airways
Tue, Aug 11 - Tue, Aug 25
Multiple Airlines Logo
7:40 am - 7:40 am
MDW
-
BSL
17h 00m
2 stops
Multiple Airlines Logo
8:15 am - 8:35 pm
BSL
-
MDW
19h 20m
2 stops
$1,302Multiple Airlines
Fri, Jun 5 - Thu, Jun 18
Delta Logo
6:34 pm - 1:45 pm
MDW
-
BSL
12h 11m
2 stops
Delta Logo
6:30 am - 5:54 pm
BSL
-
MDW
18h 24m
2 stops
$1,785Delta
Sat, Apr 4 - Sun, Apr 12
Delta Logo
10:35 am - 9:45 am
MDW
-
BSL
16h 10m
2 stops
Delta Logo
6:30 am - 6:31 pm
BSL
-
MDW
19h 01m
2 stops
$2,529Delta
Tue, Sep 8 - Mon, Sep 14

British Airways flights from Illinois to Basel EuroAirport Swiss

Our best British Airways deals on Illinois to Basel EuroAirport Swiss flight tickets
British Airways
Sep 1
STL1:30 pmLambert-St Louis
22h 25m
2 stops
BSL6:55 pmBasel EuroAirport Swiss
Sep 21
BSL9:35 pmBasel EuroAirport Swiss
33h 03m
2 stops
STL11:38 pmLambert-St Louis
$833
British Airways
Aug 11
STL1:37 pmLambert-St Louis
14h 18m
2 stops
BSL10:55 amBasel EuroAirport Swiss
Aug 25
BSL11:55 amBasel EuroAirport Swiss
17h 05m
2 stops
STL10:00 pmLambert-St Louis
$1,251
British Airways
Aug 11
STL1:37 pmLambert-St Louis
14h 18m
2 stops
BSL10:55 amBasel EuroAirport Swiss
Aug 26
BSL6:40 amBasel EuroAirport Swiss
16h 02m
2 stops
STL3:42 pmLambert-St Louis
$1,371

Lufthansa flights from Illinois to Basel EuroAirport Swiss

Our best Lufthansa deals on Illinois to Basel EuroAirport Swiss flight tickets
Lufthansa
Sep 1
STL3:30 pmLambert-St Louis
11h 50m
1 stop
BSL10:20 amBasel EuroAirport Swiss
Sep 21
BSL6:45 pmBasel EuroAirport Swiss
25h 40m
1 stop
STL1:25 pmLambert-St Louis
$870
Lufthansa
Mar 21
STL11:40 amLambert-St Louis
16h 25m
2 stops
BSL10:05 amBasel EuroAirport Swiss
Mar 25
BSL6:45 amBasel EuroAirport Swiss
14h 10m
1 stop
STL2:55 pmLambert-St Louis
$1,390

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 March 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 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

$615

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 9/8

11:25 am-9:45 am

1 stop15h 20m

Basel EuroAirport Swiss

Mon 9/14

10:40 am-6:15 pm

1 stop38h 35m

$648

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 8/23

8:10 pm-6:15 pm

1 stop15h 05m

Basel EuroAirport Swiss

Sun 9/6

7:10 pm-9:40 am

1 stop21h 30m

$671

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 9/1

1:30 pm-6:55 pm

2 stops22h 25m

Basel EuroAirport Swiss

Mon 9/21

9:35 pm-11:38 pm

2 stops33h 03m

$833

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 9/1

3:30 pm-10:20 am

1 stop11h 50m

Basel EuroAirport Swiss

Mon 9/21

8:15 pm-8:00 pm

2 stops30h 45m

$869

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 9/1

3:30 pm-10:20 am

1 stop11h 50m

Basel EuroAirport Swiss

Mon 9/21

6:45 pm-1:25 pm

1 stop25h 40m

$870

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Tue 8/11

1:37 pm-10:55 am

2 stops14h 18m

Basel EuroAirport Swiss

Tue 8/25

11:55 am-10:00 pm

2 stops17h 05m

$1,251

ChicagoBasel

MDW - BSL

MDWBSL

Chicago Midway

Fri 6/5

7:40 am-7:40 am

2 stops17h 00m

Basel EuroAirport Swiss

Thu 6/18

8:15 am-8:35 pm

2 stops19h 20m

$1,302
Quickest round-trip

ChicagoBasel

MDW - BSL

MDWBSL

Chicago Midway

Sat 4/4

6:34 pm-1:45 pm

2 stops12h 11m

Basel EuroAirport Swiss

Sun 4/12

6:30 am-5:54 pm

2 stops18h 24m

$1,785

ChicagoBasel

MDW - BSL

MDWBSL

Chicago Midway

Tue 9/8

10:35 am-9:45 am

2 stops16h 10m

Basel EuroAirport Swiss

Mon 9/14

6:30 am-6:31 pm

2 stops19h 01m

$2,529

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 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 and Delta 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 50m

Direct flights

None
The fastest flight from Illinois to Basel EuroAirport Swiss takes 10h 50m
There are no direct flights from Illinois to Basel EuroAirport Swiss. There are no popular flight routes from Illinois to Basel EuroAirport Swiss.
Search flight deals

  • 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.

An easier way to manage your Basel EuroAirport Swiss 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
Sun 4/19
Sun 4/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Basel