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Cheap flights from Basel EuroAirport Swiss to Illinois from $340

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Basel EuroAirport Swiss to Illinois departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Basel EuroAirport Swiss to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:35 am - 7:45 pmBSL-ORD
19h 10m1 stop
American Airlines Logo
4:27 pm - 3:35 pmORD-BSL
17h 08m2 stops
$580American Airlines
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Sun, Mar 15 - Sat, Mar 21
American Airlines Logo
6:35 am - 5:33 pmBSL-ORD
16h 58m2 stops
American Airlines Logo
5:31 pm - 3:35 pmORD-BSL
16h 04m2 stops
$585American Airlines
Find Deal
Sun, Mar 15 - Sat, Mar 21
Multiple Airlines Logo
7:00 am - 7:29 pmBSL-STL
19h 29m2 stops
Multiple Airlines Logo
3:59 pm - 5:05 pmSTL-BSL
18h 06m2 stops
$604Multiple Airlines
Find Deal
Fri, Nov 21 - Fri, Nov 28
British Airways Logo
6:05 am - 3:25 pmBSL-ORD
16h 20m1 stop
British Airways Logo
4:06 pm - 6:15 pmORD-BSL
19h 09m2 stops
$613British Airways
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Thu, Nov 20 - Mon, Nov 24
Delta Logo
11:15 am - 2:20 pmBSL-ORD
34h 05m1 stop
Delta Logo
10:35 am - 9:50 amORD-BSL
16h 15m2 stops
$616Delta
Find Deal
Thu, Nov 20 - Mon, Nov 24
British Airways Logo
6:05 am - 8:26 pmBSL-ORD
21h 21m2 stops
British Airways Logo
4:06 pm - 9:35 pmORD-BSL
22h 29m2 stops
$618British Airways
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Thu, Nov 20 - Mon, Nov 24
Delta Logo
6:05 am - 8:54 amBSL-MDW
33h 49m2 stops
Delta Logo
6:48 pm - 1:50 pmMDW-BSL
36h 02m2 stops
$619Delta
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Thu, Nov 20 - Mon, Nov 24
Lufthansa Logo
10:35 am - 3:20 pmBSL-ORD
11h 45m1 stop
Lufthansa Logo
6:00 pm - 7:40 pmORD-BSL
18h 40m1 stop
$645Lufthansa
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Tue, Nov 18 - Tue, Dec 2
Lufthansa Logo
2:20 pm - 8:05 pmBSL-ORD
12h 45m1 stop
Lufthansa Logo
6:25 pm - 1:35 pmORD-BSL
12h 10m1 stop
$652Lufthansa
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Fri, Nov 21 - Fri, Dec 5
Multiple Airlines Logo
10:45 am - 7:16 pmBSL-STL
15h 31m2 stops
Multiple Airlines Logo
3:50 pm - 1:35 pmSTL-BSL
14h 45m1 stop
$764Multiple Airlines
Find Deal
Sat, Nov 22 - Fri, Nov 28

American Airlines flights from Basel EuroAirport Swiss to Illinois

Our best American Airlines deals on Basel EuroAirport Swiss to Illinois flight tickets
American Airlines
Mar 15
BSL6:35 amBasel EuroAirport Swiss
19h 10m
1 stop
ORD7:45 pmChicago O'Hare Intl
Mar 21
ORD4:27 pmChicago O'Hare Intl
17h 08m
2 stops
BSL3:35 pmBasel EuroAirport Swiss
$580
Find similar
American Airlines
Mar 15
BSL6:35 amBasel EuroAirport Swiss
16h 58m
2 stops
ORD5:33 pmChicago O'Hare Intl
Mar 21
ORD5:31 pmChicago O'Hare Intl
16h 04m
2 stops
BSL3:35 pmBasel EuroAirport Swiss
$585
Find similar
American Airlines
Feb 19
BSL6:05 amBasel EuroAirport Swiss
24h 25m
2 stops
STL11:30 pmLambert-St Louis
Feb 23
STL2:00 pmLambert-St Louis
21h 15m
2 stops
BSL6:15 pmBasel EuroAirport Swiss
$623
Find similar

Delta flights from Basel EuroAirport Swiss to Illinois

Our best Delta deals on Basel EuroAirport Swiss to Illinois flight tickets
Delta
Nov 20
BSL11:15 amBasel EuroAirport Swiss
34h 05m
1 stop
ORD2:20 pmChicago O'Hare Intl
Nov 24
ORD10:35 amChicago O'Hare Intl
16h 15m
2 stops
BSL9:50 amBasel EuroAirport Swiss
$616
Find similar
Delta
Nov 20
BSL6:05 amBasel EuroAirport Swiss
33h 49m
2 stops
MDW8:54 amChicago Midway
Nov 24
MDW6:48 pmChicago Midway
36h 02m
2 stops
BSL1:50 pmBasel EuroAirport Swiss
$619
Find similar
Delta
Nov 20
BSL6:05 amBasel EuroAirport Swiss
34h 47m
2 stops
MDW9:52 amChicago Midway
Nov 24
MDW6:48 pmChicago Midway
36h 02m
2 stops
BSL1:50 pmBasel EuroAirport Swiss
$620
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Basel EuroAirport Swiss to Illinois 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 November 6, 2025.
Use the filters below to find and compare flights from Basel EuroAirport Swiss to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Sun 3/15

6:35 am-7:45 pm

1 stop19h 10m

Chicago O'Hare Intl

Sat 3/21

4:27 pm-3:35 pm

2 stops17h 08m

$580

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Sun 3/15

6:35 am-5:33 pm

2 stops16h 58m

Chicago O'Hare Intl

Sat 3/21

5:31 pm-3:35 pm

2 stops16h 04m

$585

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Fri 11/21

7:00 am-7:29 pm

2 stops19h 29m

Lambert-St Louis

Fri 11/28

3:59 pm-5:05 pm

2 stops18h 06m

$604

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 11/20

6:05 am-3:25 pm

1 stop16h 20m

Chicago O'Hare Intl

Mon 11/24

4:06 pm-6:15 pm

2 stops19h 09m

$613

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 11/20

11:15 am-2:20 pm

1 stop34h 05m

Chicago O'Hare Intl

Mon 11/24

10:35 am-9:50 am

2 stops16h 15m

$616

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 11/20

6:05 am-8:26 pm

2 stops21h 21m

Chicago O'Hare Intl

Mon 11/24

4:06 pm-9:35 pm

2 stops22h 29m

$618

BaselChicago

BSL - MDW

BSLMDW

Basel EuroAirport Swiss

Thu 11/20

6:05 am-8:54 am

2 stops33h 49m

Chicago Midway

Mon 11/24

6:48 pm-1:50 pm

2 stops36h 02m

$619

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Tue 11/18

10:35 am-3:20 pm

1 stop11h 45m

Chicago O'Hare Intl

Tue 12/2

6:00 pm-7:40 pm

1 stop18h 40m

$645

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Fri 11/21

2:20 pm-8:05 pm

1 stop12h 45m

Chicago O'Hare Intl

Fri 12/5

6:25 pm-1:35 pm

1 stop12h 10m

$652

BaselSt. Louis

BSL - STL

BSLSTL

Basel EuroAirport Swiss

Sat 11/22

10:45 am-7:16 pm

2 stops15h 31m

Lambert-St Louis

Fri 11/28

3:50 pm-1:35 pm

1 stop14h 45m

$764

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 Illinois from

How to get the cheapest flight ticket from Basel EuroAirport Swiss to Illinois

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 day to depart on your flight to Illinois?

The cheapest day to depart from Basel EuroAirport Swiss to Illinois is on a Friday when prices can be found for as low as $512. Flights from Basel EuroAirport Swiss to Illinois on a Saturday will generally be more expensive and average around $557. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Can stopping save me money on Basel EuroAirport Swiss to Illinois flights?

You could potentially save up to 42% on your flight if you consider stops on a Basel EuroAirport Swiss to Illinois flight.

Cheap Basel EuroAirport Swiss to Illinois flight deals and tips

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

Direct flights

None
There are no direct flights from Basel EuroAirport Swiss to Illinois. There are no popular flight routes from Basel EuroAirport Swiss to Illinois.
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  • When did momondo last update prices for flights from Basel EuroAirport Swiss to Illinois?

    Prices for flights from Basel EuroAirport Swiss to Illinois refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Basel EuroAirport Swiss to Illinois.

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

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Basel to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Basel.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Basel.

I’m not ready to book a flight from Basel to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Basel to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

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