HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Basel

$312+ Cheap flights from Chicago (CHI) to Basel EuroAirport Swiss (BSL)

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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BSL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Basel with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 (BSL). 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 June 12, 2025.

Round-trip from

$506
(American Airlines)

One-way from

$312
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$1,132
From Chicago (CHI) to Basel EuroAirport Swiss
Search Deals
One-way flight from Chicago (CHI) to Basel EuroAirport Swiss
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 12/24:34 pmORD - BSL
2 stops15h 26mAmerican Airlines
Tue 12/96:55 amBSL - ORD
1 stop15h 30mAmerican Airlines
Deal found 6/11$506
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 12/211:20 amORD - BSL
2 stops24h 10mUnited Airlines
Tue 12/92:00 pmBSL - ORD
1 stop13h 05mUnited Airlines
Deal found 6/11$556
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:20 amORD - BSL
2 stops24h 10mMultiple Airlines
Tue 12/92:00 pmBSL - ORD
2 stops25h 57mMultiple Airlines
Deal found 6/12$563
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Tue 9/92:08 pmORD - BSL
2 stops13h 42mAir Canada
Thu 9/258:25 amBSL - ORD
2 stops18h 04mAir Canada
Deal found 6/11$593
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 9/97:17 pmMDW - BSL
2 stops15h 33mDelta
Thu 9/2510:10 amBSL - MDW
2 stops18h 34mDelta
Deal found 6/11$637
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:35 pmORD - BSL
2 stops32h 30mBritish Airways
Sun 12/216:50 pmBSL - ORD
1 stop26h 05mBritish Airways
Deal found 6/11$638
This FlightHub deal was found by Cheapflights users on 6/11. 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 8/2711:25 amORD - BSL
1 stop15h 15mTurkish Airlines
Sat 9/610:35 amBSL - ORD
1 stop18h 25mTurkish Airlines
Deal found 6/11$653
This Austrian Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 8/174:20 pmORD - BSL
1 stop34h 20mAustrian Airlines
Sun 8/318:25 pmBSL - ORD
1 stop23h 55mAustrian Airlines
Deal found 6/10$659
This Delta deal was found by Cheapflights users on 6/12. 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 9/45:10 pmORD - BSL
1 stop13h 00mDelta
Mon 9/810:15 amBSL - ORD
2 stops17h 08mDelta
Deal found 6/12$736
This Lufthansa deal was found by Cheapflights users on 6/10. 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.
Sun 8/33:35 pmORD - BSL
1 stop21h 00mLufthansa
Sun 8/108:30 amBSL - ORD
1 stop11h 25mLufthansa
Deal found 6/10$867
This KLM deal was found by Cheapflights users on 6/11. 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 7/264:20 pmORD - BSL
1 stop14h 30mKLM
Sat 8/26:25 pmBSL - ORD
1 stop26h 45mKLM
Deal found 6/11$973
This Air France deal was found by Cheapflights users on 6/12. 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.
Tue 12/25:59 pmMDW - BSL
2 stops13h 06mAir France
Tue 12/96:05 amBSL - MDW
2 stops17h 18mAir France
Deal found 6/12$1,104

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 June 12, 2025.
Use the filters below to find and compare flights from Chicago to Basel EuroAirport Swiss that are best for you.

Fly from

Chicago

Fly to

Basel

Route

Depart

Return

Price

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 12/2

4:34 pm-3:00 pm

2 stops15h 26m

Basel EuroAirport Swiss

Tue 12/9

6:55 am-3:25 pm

1 stop15h 30m

$506

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 12/2

11:20 am-6:30 pm

2 stops24h 10m

Basel EuroAirport Swiss

Tue 12/9

2:00 pm-8:05 pm

1 stop13h 05m

$556

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 12/2

11:20 am-6:30 pm

2 stops24h 10m

Basel EuroAirport Swiss

Tue 12/9

2:00 pm-8:57 am

2 stops25h 57m

$563

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 9/9

2:08 pm-10:50 am

2 stops13h 42m

Basel EuroAirport Swiss

Thu 9/25

8:25 am-7:29 pm

2 stops18h 04m

$593

ChicagoBasel

MDW - BSL

MDWBSL

Chicago Midway

Tue 9/9

7:17 pm-5:50 pm

2 stops15h 33m

Basel EuroAirport Swiss

Thu 9/25

10:10 am-9:44 pm

2 stops18h 34m

$637

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 8/27

11:25 am-9:40 am

1 stop15h 15m

Basel EuroAirport Swiss

Sat 9/6

10:35 am-10:00 pm

1 stop18h 25m

$653

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 8/17

4:20 pm-9:40 am

1 stop34h 20m

Basel EuroAirport Swiss

Sun 8/31

8:25 pm-1:20 pm

1 stop23h 55m

$659

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Thu 9/4

5:10 pm-1:10 pm

1 stop13h 00m

Basel EuroAirport Swiss

Mon 9/8

10:15 am-8:23 pm

2 stops17h 08m

$736

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 8/3

7:15 pm-10:50 pm

1 stop20h 35m

Basel EuroAirport Swiss

Mon 8/11

7:20 pm-3:55 pm

1 stop27h 35m

$801

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 8/3

3:35 pm-7:35 pm

1 stop21h 00m

Basel EuroAirport Swiss

Sun 8/10

8:30 am-12:55 pm

1 stop11h 25m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 24 results
1
2
3

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 EuroAirport Swiss

What is the cheapest time of day to fly from CHI to BSL?

Find hourly flight availability from Chicago to Basel. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago to Basel EuroAirport Swiss in the afternoon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight at noon.

Rainfall in Basel by month

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

In terms of precipitation, rainfall in Basel EuroAirport Swiss ranges from 1.9 - 3.4 inches per month. June is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Basel EuroAirport Swiss when rainfall is around 1.9 in.

Temperature in Basel by month

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

If weather is an important factor for your trip to Basel EuroAirport Swiss, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Basel

Get insights into the airlines that provide service to Basel. 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 Basel. Reviews last updated June 12, 2025.
To help decide which airline to fly from Chicago to Basel, see what other customers have to say about Delta, KLM and Austrian Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    If you book a flight to Basel from Chicago, you will be flying to EuroAirport Swiss, which is the city’s only airport. Basel EuroAirport Swiss (BSL) is located 3.6 mi from the center of Basel. There are 0 flights from Chicago to EuroAirport Swiss per day from 0 different airlines.

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

    Currently priced at $506, American Airlines will fly you from Chicago to Basel EuroAirport Swiss and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from $556 and $593, respectively.

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

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $416. Delta flights start at $462 while deals on Air Canada start at $472 one-way.

  • 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 EuroAirport Swiss?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Basel EuroAirport Swiss (average of $545). Flying from Chicago to Basel EuroAirport Swiss 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Basel

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Basel flights
Midway to Basel flights
St. Louis to Basel flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.