HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Basel

$344+ Cheap flights from Illinois 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EAP
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois 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 Illinois to Basel

Keep the following information in mind while searching for Illinois to Basel flight deals. Data was last updated mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$578
(oojo)

One-way from

$344
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$1,463
Provider with most accurate pricing for Chicago (CHI)-Basel (EAP) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Basel (EAP) flights.
Search Deals
From Illinois to Basel (EAP)
Search Deals
One-way flight from Illinois to Basel (EAP)
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Illinois to Basel

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

This oojo deal was found by Cheapflights users on 5/1. 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.
sáb. 10/1811:45 pmORD - BSL
1 stop26h 55mTurkish Airlines
mar. 10/216:55 pmBSL - ORD
1 stop30h 00mTurkish Airlines
Deal found 5/1$578
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/264:52 pmSTL - BSL
2 stops20h 08mBritish Airways
dom. 11/96:35 amBSL - STL
2 stops20h 41mBritish Airways
Deal found 4/30$624
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/264:45 pmSTL - BSL
1 stop14h 45mUnited Airlines
dom. 11/92:15 pmBSL - STL
2 stops32h 11mUnited Airlines
Deal found 4/30$661
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/264:45 pmSTL - BSL
1 stop11h 15mLufthansa
dom. 11/96:50 amBSL - STL
1 stop14h 05mLufthansa
Deal found 4/30$667
This United deal was found by Cheapflights users on 5/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/223:30 pmSTL - BSL
1 stop19h 20mMultiple Airlines
vie. 10/311:05 pmBSL - STL
2 stops57h 21mMultiple Airlines
Deal found 5/1$682
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/910:35 pmORD - BSL
1 stop17h 15mAmerican Airlines
jue. 9/256:10 amBSL - ORD
2 stops16h 35mAmerican Airlines
Deal found 4/30$701
This Vueling Global 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/254:30 pmORD - BSL
2 stops37h 30mMultiple Airlines
sáb. 9/611:10 amBSL - ORD
2 stops34h 05mMultiple Airlines
Deal found 4/30$758
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/258:40 amORD - BSL
2 stops19h 10mAir Canada
sáb. 9/611:30 amBSL - ORD
2 stops15h 41mAir Canada
Deal found 4/30$764
This lastminute.com deal was found by Cheapflights users on 5/1. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/13:35 pmORD - BSL
1 stop10h 35mLufthansa
mié. 10/151:00 pmBSL - ORD
1 stop12h 15mLufthansa
Deal found 5/1$794
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/1411:55 amORD - BSL
2 stops14h 15mUnited Airlines
mié. 5/211:00 pmBSL - ORD
1 stop12h 15mUnited Airlines
Deal found 4/30$802
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/2711:54 amORD - BSL
2 stops16h 26mBritish Airways
sáb. 9/66:35 amBSL - ORD
1 stop14h 15mBritish Airways
Deal found 4/30$819
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.
lun. 8/251:00 pmMDW - BSL
2 stops18h 10mDelta
sáb. 9/66:15 amBSL - MDW
2 stops18h 48mDelta
Deal found 4/30$853

Cheapflights Fare Finder

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

Fly from

Illinois

Fly to

Basel

Route

Depart

Return

Price

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

sáb. 10/18

11:45 pm-9:40 am

1 stop26h 55m

Basel EuroAirport Swiss

mar. 10/21

6:55 pm-5:55 pm

1 stop30h 00m

$578

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

dom. 10/26

4:52 pm-7:00 pm

2 stops20h 08m

Basel EuroAirport Swiss

dom. 11/9

6:35 am-8:16 pm

2 stops20h 41m

$624

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

dom. 10/26

4:45 pm-1:30 pm

1 stop14h 45m

Basel EuroAirport Swiss

dom. 11/9

2:15 pm-3:26 pm

2 stops32h 11m

$661

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

dom. 10/26

4:45 pm-10:00 am

1 stop11h 15m

Basel EuroAirport Swiss

dom. 11/9

6:50 am-1:55 pm

1 stop14h 05m

$667

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

mié. 10/22

3:30 pm-5:50 pm

1 stop19h 20m

Basel EuroAirport Swiss

vie. 10/31

1:05 pm-4:26 pm

2 stops57h 21m

$682

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

mar. 9/9

10:35 pm-10:50 pm

1 stop17h 15m

Basel EuroAirport Swiss

jue. 9/25

6:10 am-3:45 pm

2 stops16h 35m

$701

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

lun. 8/25

4:30 pm-1:00 pm

2 stops37h 30m

Basel EuroAirport Swiss

sáb. 9/6

11:10 am-2:15 pm

2 stops34h 05m

$758

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

lun. 8/25

8:40 am-10:50 am

2 stops19h 10m

Basel EuroAirport Swiss

sáb. 9/6

11:30 am-8:11 pm

2 stops15h 41m

$764

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

mié. 10/1

3:35 pm-9:10 am

1 stop10h 35m

Basel EuroAirport Swiss

mié. 10/15

1:00 pm-6:15 pm

1 stop12h 15m

$794

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

mié. 5/14

11:55 am-9:10 am

2 stops14h 15m

Basel EuroAirport Swiss

mié. 5/21

1:00 pm-6:15 pm

1 stop12h 15m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from Illinois to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel from Illinois 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 Illinois to Basel

What is the cheapest time of day to fly from IL to EAP?

Find hourly flight availability from Illinois 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 mayo 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Basel as you normally would.

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 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 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, 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 mayo 1, 2025.
Read through reviews of airlines operating flights from Illinois to Basel, such as Delta, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,448 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    Located just 0.2 mi from the city center, Basel All airports (EAP) is the airport most travelers will use when flying to Basel from Illinois.

  • What are the cheapest airlines to fly from Illinois to Basel one-way?

    The cheapest airlines for a one-way flight from Illinois to Basel are British Airways ($523), Turkish Airlines ($536), and American Airlines ($570).

  • What are the most popular routes from Illinois to Basel?

    While some choose either Chicago Midway - Basel EuroAirport Swiss or Lambert-St Louis - Basel EuroAirport Swiss, Chicago O'Hare Intl - Basel EuroAirport Swiss is the most popular route from Illinois to Basel.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Basel?

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

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 Illinois to Basel

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Zurich flights
Newark to Zurich flights
Boston to Zurich flights
John F Kennedy Intl to Geneva flights
Dulles Intl to Zurich flights
O'Hare Intl to Zurich flights
Los Angeles to Zurich flights
San Francisco to Zurich flights
Newark to Geneva flights
LaGuardia to Zurich flights
Miami to Zurich flights
Dulles Intl to Geneva flights
Seattle to Zurich flights
LaGuardia to Geneva flights
Dallas/Fort Worth to Zurich flights
Atlanta to Zurich flights
Seattle to Geneva flights
Reagan-National to Zurich flights
Baltimore to Zurich flights
Tampa to Zurich flights
O'Hare Intl to Geneva flights
Denver to Zurich flights
San Francisco to Geneva flights
Philadelphia to Zurich flights
Reagan-National to Geneva flights
Orlando to Zurich flights
Boston to Geneva flights
Baltimore to Geneva flights
Hobby to Zurich flights
Raleigh to Zurich flights
Love Field to Zurich flights
Oakland to Zurich flights
Minneapolis to Zurich flights
San Jose to Zurich flights
Sky Harbor Intl to Zurich flights
Los Angeles to Geneva flights
Midway to Zurich flights
Ontario to Zurich flights
Santa Ana to Zurich flights
Charlotte to Zurich flights
George Bush Intcntl to Zurich flights
Denver to Geneva flights
Detroit to Zurich flights
Burbank to Zurich flights
Austin to Zurich flights
Las Vegas to Zurich flights
San Diego to Zurich flights
John F Kennedy Intl to Basel flights
Midway to Geneva flights
Atlanta to Geneva 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.
Site
Privacy Preferences©2025 Cheapflights