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$419+ Cheap flights from Chicago (CHI) to Basel (EAP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — EAP
Sep 10 — Sep 171
Wed 9/10
Wed 9/17
1 adult, Economy
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Cheap flight deals from Chicago to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Basel (EAP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 5, 2025.

Round-trip from

$510
(American Airlines)

One-way from

$419
(British Airways)

Popular in

May

Cheapest in

September

Average price

$581
From Chicago (CHI) to Basel (EAP)
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One-way flight from Chicago (CHI) to Basel (EAP)
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Highest demand for flights based on searches. 17% potential increase in price ($226 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Chicago to Basel

Cheapest flights from Chicago to Basel
Explore the most affordable flight options available from Chicago to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2025.

This flugladen.de deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:25 pmORD - BSL
2 stops19h 25mMultiple Airlines
Tue 11/117:35 amBSL - ORD
2 stops38h 25mMultiple Airlines
Deal found 9/4$537
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:25 pmORD - BSL
1 stop13h 30mAmerican Airlines
Sun 11/25:35 amBSL - ORD
1 stop15h 50mAmerican Airlines
Deal found 9/3$569
This British Airways deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:10 pmORD - BSL
1 stop21h 55mBritish Airways
Sun 11/2311:20 amBSL - ORD
1 stop14h 25mBritish Airways
Deal found 9/2$571
This British Airways deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:45 pmORD - BSL
1 stop29h 30mBritish Airways
Mon 12/16:15 amBSL - ORD
1 stop14h 35mBritish Airways
Deal found 9/3$611
This AirNGo deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:50 pmORD - BSL
1 stop15h 10mTurkish Airlines
Tue 11/1110:55 amBSL - ORD
1 stop30h 10mTurkish Airlines
Deal found 9/4$626
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:40 pmORD - BSL
1 stop22h 10mAmerican Airlines
Thu 10/96:10 amBSL - ORD
2 stops16h 55mAmerican Airlines
Deal found 9/3$630
This oojo deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:50 pmORD - BSL
1 stop15h 10mTurkish Airlines
Sun 11/210:55 amBSL - ORD
1 stop30h 10mTurkish Airlines
Deal found 9/4$652
This Turkish Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:50 amORD - BSL
1 stop15h 10mTurkish Airlines
Fri 12/1210:55 amBSL - ORD
1 stop30h 10mTurkish Airlines
Deal found 9/2$654
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:50 amORD - BSL
1 stop15h 10mTurkish Airlines
Wed 12/106:05 pmBSL - ORD
1 stop23h 00mTurkish Airlines
Deal found 9/2$657
This Gurufare deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:45 pmORD - BSL
1 stop12h 20mBritish Airways
Mon 12/14:00 pmBSL - ORD
1 stop28h 50mBritish Airways
Deal found 9/3$671
This FlightHub deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2411:45 pmORD - BSL
1 stop26h 55mTurkish Airlines
Wed 10/16:55 pmBSL - ORD
1 stop21h 45mTurkish Airlines
Deal found 9/3$673
This Trip.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:48 pmMDW - BSL
2 stops15h 02mKLM
Tue 11/1111:15 amBSL - MDW
2 stops19h 17mKLM
Deal found 9/4$842

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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, Cheapflights users made 2,558,603 searches. Data last updated September 5, 2025.
Use the filters below to find and compare flights from Chicago to Basel that are best for you.

Fly from

Chicago

Fly to

Basel

Route

Depart

Return

Price

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 10/26

9:25 pm-10:50 pm

2 stops19h 25m

Basel EuroAirport Swiss

Tue 11/11

7:35 am-3:00 pm

2 stops38h 25m

$537

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 10/29

7:25 pm-2:55 pm

1 stop13h 30m

Basel EuroAirport Swiss

Sun 11/2

5:35 am-3:25 pm

1 stop15h 50m

$569

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 11/19

5:10 pm-10:05 pm

1 stop21h 55m

Basel EuroAirport Swiss

Sun 11/23

11:20 am-6:45 pm

1 stop14h 25m

$571

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 11/23

9:45 pm-10:15 am

1 stop29h 30m

Basel EuroAirport Swiss

Mon 12/1

6:15 am-1:50 pm

1 stop14h 35m

$611

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 10/26

12:50 pm-10:00 am

1 stop15h 10m

Basel EuroAirport Swiss

Tue 11/11

10:55 am-10:05 am

1 stop30h 10m

$626

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Thu 10/2

5:40 pm-10:50 pm

1 stop22h 10m

Basel EuroAirport Swiss

Thu 10/9

6:10 am-4:05 pm

2 stops16h 55m

$630

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 10/29

12:50 pm-10:00 am

1 stop15h 10m

Basel EuroAirport Swiss

Sun 11/2

10:55 am-10:05 am

1 stop30h 10m

$652

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sat 11/22

9:45 pm-3:35 pm

1 stop10h 50m

Basel EuroAirport Swiss

Mon 12/1

4:00 pm-1:50 pm

1 stop28h 50m

$671

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Fri 11/21

9:45 pm-5:05 pm

1 stop12h 20m

Basel EuroAirport Swiss

Mon 12/1

4:00 pm-1:50 pm

1 stop28h 50m

$671

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 9/24

11:45 pm-9:40 am

1 stop26h 55m

Basel EuroAirport Swiss

Wed 10/1

6:55 pm-9:40 am

1 stop21h 45m

$673

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 28 results
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Best time to book a flight from Chicago to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Basel

How much does it cost to fly round-trip from Chicago to Basel?

Related info for your journey

Find useful and relevant information for your journey from Chicago to Basel. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Basel from Chicago?

    Most people fly into Basel All airports (EAP) if they book a flight to Basel from Chicago. On average, All airports has 0 inbound flights from Chicago per day from 0 airlines. Basel All airports is conveniently located just 0.2 mi from Basel’s city center.

  • How long is the flight from Chicago to Basel?

    There are many flights that can get you from Chicago to Basel in 13h 30m. Fly via American Airlines, British Airways, or KLM to get the fastest option. Airlines will cover a distance of 4384 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Chicago to Basel that include hotel bookings?

    Yes. In addition to deals on Chicago to Basel flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Basel?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Basel.

  • Can I find deals for business class flights from Chicago to Basel?

    Yes. Cheapflights offers flight deals from Chicago to Basel by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Basel?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Basel (average of $545). Flying from Chicago to Basel in June is currently the most expensive (average of $1,132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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