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Basel

$487+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EAP
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$571
(oojo)

One-way from

$487
(Kiwi.com)

Popular in

May

Cheapest in

July

Average price

$1,181
Provider with most accurate pricing for Chicago (CHI)-Basel (EAP) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Basel (EAP) flights.
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From Illinois to Basel (EAP)
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One-way flight from Illinois to Basel (EAP)
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Highest demand for flights based on searches. 14% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 2, 2025.

This oojo deal was found by Cheapflights users on 4/1. 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.
Tue 9/97:50 pmORD - BSL
1 stop15h 10mTurkish Airlines
Thu 9/256:55 pmBSL - ORD
1 stop21h 45mTurkish Airlines
Deal found 4/1$571
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:00 pmSTL - BSL
2 stops18h 00mAmerican Airlines
Sun 11/96:35 amBSL - STL
2 stops20h 41mAmerican Airlines
Deal found 4/1$650
This United deal was found by Cheapflights users on 4/1. 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.
Sun 10/264:45 pmSTL - BSL
1 stop19h 25mUnited Airlines
Sun 11/92:15 pmBSL - STL
2 stops32h 11mUnited Airlines
Deal found 4/1$664
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/57:00 amORD - BSL
2 stops22h 50mMultiple Airlines
Tue 5/207:05 pmBSL - ORD
2 stops32h 07mMultiple Airlines
Deal found 3/31$717
This Gurufare deal was found by Cheapflights users on 4/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:30 pmSTL - BSL
1 stop15h 10mLufthansa
Thu 10/236:30 pmBSL - STL
1 stop26h 00mLufthansa
Deal found 4/1$742
This British Airways deal was found by Cheapflights users on 4/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:01 pmSTL - BSL
2 stops15h 19mBritish Airways
Tue 9/306:45 amBSL - STL
2 stops20h 36mBritish Airways
Deal found 4/1$822
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:15 pmORD - BSL
1 stop18h 35mAmerican Airlines
Thu 9/256:10 amBSL - ORD
2 stops16h 35mAmerican Airlines
Deal found 4/1$835
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/167:30 amSTL - BSL
2 stops23h 15mMultiple Airlines
Fri 5/236:05 amBSL - STL
2 stops20h 53mMultiple Airlines
Deal found 4/1$838
This United Airlines deal was found by Cheapflights users on 4/1. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/299:40 pmORD - BSL
1 stop14h 55mUnited Airlines
Tue 5/611:25 amBSL - ORD
2 stops17h 41mUnited Airlines
Deal found 4/1$838
This Delta deal was found by Cheapflights users on 3/31. 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.
Wed 8/2710:10 amORD - BSL
2 stops16h 20mDelta
Mon 9/222:25 pmBSL - ORD
1 stop30h 45mDelta
Deal found 3/31$845
This Delta deal was found by Cheapflights users on 3/31. 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.
Mon 5/51:16 pmMDW - BSL
2 stops16h 54mDelta
Tue 5/2010:15 amBSL - MDW
2 stops14h 30mDelta
Deal found 3/31$855
This Gotogate deal was found by Cheapflights users on 4/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:43 pmORD - BSL
2 stops31h 37mBritish Airways
Sun 10/197:05 amBSL - ORD
1 stop13h 45mBritish Airways
Deal found 4/1$859

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 April 2, 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

Tue 9/9

7:50 pm-6:00 pm

1 stop15h 10m

Basel EuroAirport Swiss

Thu 9/25

6:55 pm-9:40 am

1 stop21h 45m

$571

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Mon 5/5

7:00 am-12:50 pm

2 stops22h 50m

Basel EuroAirport Swiss

Tue 5/20

7:05 pm-8:12 pm

2 stops32h 07m

$717

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 9/22

8:01 pm-6:20 pm

2 stops15h 19m

Basel EuroAirport Swiss

Tue 9/30

6:45 am-8:21 pm

2 stops20h 36m

$822

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 9/9

9:15 pm-10:50 pm

1 stop18h 35m

Basel EuroAirport Swiss

Thu 9/25

6:10 am-3:45 pm

2 stops16h 35m

$835

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Tue 4/29

9:40 pm-7:35 pm

1 stop14h 55m

Basel EuroAirport Swiss

Tue 5/6

11:25 am-10:06 pm

2 stops17h 41m

$838

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 5/16

7:30 am-1:45 pm

2 stops23h 15m

Basel EuroAirport Swiss

Fri 5/23

6:05 am-7:58 pm

2 stops20h 53m

$838

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 8/27

10:10 am-9:30 am

2 stops16h 20m

Basel EuroAirport Swiss

Mon 9/22

2:25 pm-2:10 pm

1 stop30h 45m

$845

ChicagoBasel

MDW - BSL

MDWBSL

Chicago Midway

Mon 5/5

1:16 pm-1:10 pm

2 stops16h 54m

Basel EuroAirport Swiss

Tue 5/20

10:15 am-5:45 pm

2 stops14h 30m

$855

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Fri 5/16

4:20 pm-9:40 pm

1 stop22h 20m

Basel EuroAirport Swiss

Fri 5/23

6:15 am-2:28 pm

2 stops15h 13m

$911

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sat 5/17

4:55 pm-5:40 pm

1 stop17h 45m

Basel EuroAirport Swiss

Sat 5/24

11:50 am-6:15 pm

1 stop13h 25m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 27 results
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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 April 2, 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 April 2, 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
7,899 reviews

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
1,323 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
771 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.
SWISS
7.5
Good
1,572 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
1,427 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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 Turkish Airlines ($545), British Airways ($609), and American Airlines ($619).

  • 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

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See prices for flight routes from nearby airports that may be better suited for you.
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