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$450+ Cheap flights from Basel EuroAirport Swiss (BSL) to Chicago (CHI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
BSL — CHI
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Basel to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Basel (BSL) to Chicago (CHI). 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 May 1, 2025.

Round-trip from

$450
(British Airways)

Popular in

February

Cheapest in

October

Average price

$449
From Basel EuroAirport Swiss to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Basel to Chicago

Cheapest flights from Basel to Chicago
Explore the most affordable flight options available from Basel to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This British Airways deal was found by Cheapflights users on 4/29. 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.
Thu 6/1212:15 pmBSL - ORD
1 stop13h 00mBritish Airways
Thu 6/195:45 pmORD - BSL
1 stop17h 40mBritish Airways
Deal found 4/29$450
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/2411:50 amBSL - ORD
2 stops30h 19mAmerican Airlines
Tue 6/34:40 pmORD - BSL
2 stops23h 10mAmerican Airlines
Deal found 4/29$455
This Billigflug deal was found by Cheapflights users on 4/29. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:10 amBSL - ORD
2 stops15h 51mMultiple Airlines
Sat 8/169:15 pmORD - BSL
1 stop18h 35mMultiple Airlines
Deal found 4/29$534
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1510:15 amBSL - ORD
2 stops15h 22mDelta
Sat 8/1610:35 amORD - BSL
2 stops15h 45mDelta
Deal found 4/29$568
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1510:15 amBSL - MDW
2 stops15h 30mDelta
Fri 8/151:00 pmMDW - BSL
2 stops13h 30mDelta
Deal found 4/30$581
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/161:00 pmBSL - ORD
2 stops25h 49mUnited Airlines
Tue 8/123:35 pmORD - BSL
1 stop13h 50mUnited Airlines
Deal found 4/29$581
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/166:05 amBSL - ORD
1 stop15h 50mLufthansa
Wed 8/63:35 pmORD - BSL
1 stop10h 35mLufthansa
Deal found 4/29$582
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/266:15 amBSL - ORD
1 stop14h 55mKLM
Sat 8/24:20 pmORD - BSL
1 stop22h 20mKLM
Deal found 4/30$663
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/128:25 pmBSL - ORD
2 stops27h 55mAustrian Airlines
Thu 6/194:05 pmORD - BSL
2 stops34h 35mAustrian Airlines
Deal found 4/29$778
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2611:30 amBSL - ORD
2 stops29h 22mAir Canada
Sun 8/31:01 pmORD - BSL
2 stops14h 54mAir Canada
Deal found 4/29$920
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2610:15 amBSL - MDW
2 stops15h 25mKLM
Fri 8/11:46 pmMDW - BSL
2 stops12h 49mKLM
Deal found 4/30$1,193
This Air France deal was found by Cheapflights users on 4/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:15 amBSL - ORD
2 stops15h 45mAir France
Sat 8/95:10 pmORD - BSL
2 stops13h 40mAir France
Deal found 4/29$1,219

Cheapflights Fare Finder

Customize your flight search to find flights from Basel to Chicago 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 May 1, 2025.
Use the filters below to find and compare flights from Basel EuroAirport Swiss to Chicago that are best for you.

Fly from

Basel

Fly to

Chicago

Route

Depart

Return

Price

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 6/12

12:15 pm-6:15 pm

1 stop13h 00m

Chicago O'Hare Intl

Thu 6/19

5:45 pm-6:25 pm

1 stop17h 40m

$450

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Sat 5/24

11:50 am-11:09 am

2 stops30h 19m

Chicago O'Hare Intl

Tue 6/3

4:40 pm-10:50 pm

2 stops23h 10m

$455

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 5/15

6:10 am-3:01 pm

2 stops15h 51m

Chicago O'Hare Intl

Sat 8/16

9:15 pm-10:50 pm

1 stop18h 35m

$534

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 5/15

10:15 am-6:37 pm

2 stops15h 22m

Chicago O'Hare Intl

Sat 8/16

10:35 am-9:20 am

2 stops15h 45m

$568

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Wed 7/16

1:00 pm-7:49 am

2 stops25h 49m

Chicago O'Hare Intl

Tue 8/12

3:35 pm-12:25 pm

1 stop13h 50m

$581

BaselChicago

BSL - MDW

BSLMDW

Basel EuroAirport Swiss

Thu 5/15

10:15 am-6:45 pm

2 stops15h 30m

Chicago Midway

Fri 8/15

1:00 pm-9:30 am

2 stops13h 30m

$581

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Wed 7/16

6:05 am-2:55 pm

1 stop15h 50m

Chicago O'Hare Intl

Wed 8/6

3:35 pm-9:10 am

1 stop10h 35m

$582

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Fri 7/18

8:25 pm-1:20 pm

1 stop23h 55m

Chicago O'Hare Intl

Mon 7/28

4:20 pm-7:45 pm

1 stop20h 25m

$647

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Sat 7/26

6:15 am-2:10 pm

1 stop14h 55m

Chicago O'Hare Intl

Sat 8/2

4:20 pm-9:40 pm

1 stop22h 20m

$663

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Sat 7/26

11:30 am-9:52 am

2 stops29h 22m

Chicago O'Hare Intl

Sun 8/3

1:01 pm-10:55 am

2 stops14h 54m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 21 results
1
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Best time to book a flight from Basel to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Basel 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 Basel EuroAirport Swiss to Chicago

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from Basel to Chicago. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Basel to Chicago. 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 from for flights from Basel to Chicago?

    Basel EuroAirport Swiss (BSL), located 3.6 mi from the city center, is the airport you fly out of when you book flights from Basel to Chicago. 0 airlines have flights from EuroAirport Swiss to Chicago on a regular basis. Booking flights from Basel EuroAirport Swiss to Chicago should not be difficult; the airport handles an average of 0 outbound flights to Chicago per day.

  • What are the cheapest airlines flying from Basel EuroAirport Swiss to Chicago round-trip?

    According to our current data, British Airways ($450), American Airlines ($455), and Delta ($568) offers the cheapest pricing from Basel EuroAirport Swiss to Chicago.

  • What are the cheapest airlines to fly from Basel EuroAirport Swiss to Chicago one-way?

    $616 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Lufthansa and Air France, with prices starting from $695 and $1,085, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Basel to Chicago 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 Basel EuroAirport Swiss to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Basel EuroAirport Swiss to Chicago (average of $245). Flying from Basel EuroAirport Swiss to Chicago in March is currently the most expensive (average of $321). 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

Traveling to a place near Basel EuroAirport Swiss?

Book flights to Basel EuroAirport Swiss if you plan to visit one of these locations
Merrillville
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Alternative routes for Basel to Chicago

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