How long is the flight from Illinois to Basel?

A quick flight from Illinois to Basel can take about 14h 25m. Lufthansa provides one of the quickest options available for as low as $494. Airlines will cover a distance of 4630 mi. This flight may include one or multiple stops.

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.

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).

What are the most popular routes from Illinois to Basel?

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

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

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.

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.

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.

$249+ Flights from Illinois to Basel

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Cheap 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 December 28, 2025.

Tue 12/307:40 pmORD - BSL

1 stop11h 45mMultiple Airlines

Thu 1/156:55 pmBSL - ORD

2 stops27h 30mMultiple Airlines

Deal found 12/26

$999

Tue 12/303:50 pmORD - BSL

1 stop15h 35mMultiple Airlines

Sat 1/171:05 pmBSL - ORD

2 stops32h 40mMultiple Airlines

Deal found 12/26

$1,002

Sun 12/2811:50 amORD - BSL

1 stop22h 20mTurkish Airlines

Wed 1/216:05 pmBSL - ORD

1 stop23h 00mTurkish Airlines

Deal found 12/26

$1,004

Sun 12/2811:50 amORD - BSL

1 stop22h 20mTurkish Airlines

Thu 1/1510:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$1,079

Sun 12/2811:50 amORD - BSL

1 stop22h 20mTurkish Airlines

Sun 1/1810:55 amBSL - ORD

1 stop38h 30mTurkish Airlines

Deal found 12/26

$1,084

Sun 12/2811:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Mon 1/1910:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$1,089

Sun 12/2811:50 amORD - BSL

1 stop15h 10mMultiple Airlines

Thu 1/156:55 pmBSL - ORD

2 stops27h 30mMultiple Airlines

Deal found 12/26

$1,091

Tue 12/303:50 pmORD - BSL

1 stop15h 35mMultiple Airlines

Fri 1/164:35 pmBSL - ORD

2 stops31h 10mMultiple Airlines

Deal found 12/26

$1,093

Sun 12/2811:50 amORD - BSL

1 stop15h 10mMultiple Airlines

Sat 1/171:05 pmBSL - ORD

2 stops32h 40mMultiple Airlines

Deal found 12/26

$1,094

Tue 12/308:20 pmORD - BSL

1 stop30h 40mTurkish Airlines

Wed 1/216:05 pmBSL - ORD

1 stop23h 00mTurkish Airlines

Deal found 12/26

$1,123

Mon 12/293:50 pmORD - BSL

1 stop16h 00mMultiple Airlines

Thu 1/156:55 pmBSL - ORD

2 stops27h 30mMultiple Airlines

Deal found 12/26

$1,127

Mon 12/293:50 pmORD - BSL

1 stop16h 00mMultiple Airlines

Sat 1/171:05 pmBSL - ORD

2 stops32h 40mMultiple Airlines

Deal found 12/26

$1,130

Best flights from Illinois to Basel
Discover carefully curated flight deals from Illinois to Basel that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Mon 2/96:40 pmSTL - BSL

2 stops14h 25mLufthansa

Mon 2/166:45 amBSL - STL

2 stops21h 55mLufthansa

Deal found 12/26

$494

Fri 1/239:57 amSTL - BSL

2 stops23h 08mUnited Airlines

Tue 1/279:50 amBSL - STL

2 stops21h 09mUnited Airlines

Deal found 12/25

$500

Wed 4/111:25 amORD - BSL

1 stop15h 20mTurkish Airlines

Thu 4/910:40 amBSL - ORD

1 stop30h 00mTurkish Airlines

Deal found 12/27

$598

Fri 3/202:00 pmSTL - BSL

2 stops21h 05mBritish Airways

Sat 3/286:00 pmBSL - STL

2 stops34h 58mBritish Airways

Deal found 12/26

$636

Sun 2/156:00 pmORD - BSL

1 stop11h 30mMultiple Airlines

Wed 2/256:45 amBSL - ORD

2 stops14h 25mMultiple Airlines

Deal found 12/26

$729

Mon 1/199:32 amMDW - BSL

2 stops21h 18mDelta

Mon 1/2611:15 amBSL - MDW

2 stops37h 14mDelta

Deal found 12/26

$1,256

Fri 3/204:50 pmSTL - BSL

1 stop14h 45mLufthansa

Sat 3/287:05 pmBSL - STL

2 stops32h 03mLufthansa

Deal found 12/26

$641

Mon 1/1911:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Mon 1/266:05 pmBSL - ORD

1 stop31h 20mTurkish Airlines

Deal found 12/26

$681

Wed 1/2811:24 amCMI - BSL

2 stops27h 41mBritish Airways

Sun 2/111:20 amBSL - CMI

2 stops38h 03mBritish Airways

Deal found 12/25

$702

Wed 1/2111:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Sun 1/2510:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$687

Thu 3/127:10 pmORD - BSL

2 stops12h 35mMultiple Airlines

Mon 3/231:10 pmBSL - ORD

2 stops13h 55mMultiple Airlines

Deal found 12/26

$842

Sun 1/1811:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Sun 2/110:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/27

$734

Sun 3/154:45 pmORD - BSL

2 stops13h 45mMultiple Airlines

Sun 3/2210:45 amBSL - ORD

1 stop11h 35mMultiple Airlines

Deal found 12/26

$868

Sat 1/1711:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Sat 1/3110:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$751

Fri 1/2311:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Sun 1/256:05 pmBSL - ORD

1 stop23h 00mTurkish Airlines

Deal found 12/26

$756

Thu 2/193:45 pmORD - BSL

2 stops13h 45mMultiple Airlines

Mon 2/232:20 pmBSL - ORD

1 stop12h 45mMultiple Airlines

Deal found 12/25

$937

Mon 1/191:49 pmMDW - BSL

2 stops17h 01mDelta

Tue 1/276:05 amBSL - MDW

2 stops18h 24mDelta

Deal found 12/26

$1,256

Tue 1/2010:48 amMDW - BSL

2 stops16h 02mDelta

Mon 1/2611:15 amBSL - MDW

2 stops37h 14mDelta

Deal found 12/26

$1,256

Mon 1/1911:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Fri 1/2310:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$899

Mon 1/1912:48 pmMDW - BSL

2 stops14h 52mDelta

Sun 1/2511:15 amBSL - MDW

2 stops37h 14mDelta

Deal found 12/26

$1,312

Sun 1/258:20 pmORD - BSL

1 stop30h 40mTurkish Airlines

Thu 1/2910:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$939

Fri 1/2310:48 amMDW - BSL

2 stops16h 27mDelta

Tue 1/2710:30 amBSL - MDW

2 stops18h 52mDelta

Deal found 12/26

$1,361

Fri 1/231:26 pmMDW - BSL

2 stops14h 14mDelta

Mon 1/2611:15 amBSL - MDW

2 stops37h 40mDelta

Deal found 12/26

$1,362

Tue 12/309:29 amMDW - BSL

2 stops21h 21mDelta

Thu 9/242:20 pmBSL - MDW

2 stops33h 07mDelta

Deal found 12/24

$2,299

Tue 12/3012:45 pmMDW - BSL

2 stops18h 05mDelta

Wed 9/232:20 pmBSL - MDW

2 stops38h 26mDelta

Deal found 12/24

$2,299

Tue 12/3011:48 amMDW - BSL

2 stops19h 02mDelta

Tue 9/222:20 pmBSL - MDW

2 stops35h 11mDelta

Deal found 12/24

$2,299

Tue 12/309:29 amMDW - BSL

2 stops21h 21mDelta

Mon 9/212:20 pmBSL - MDW

2 stops33h 07mDelta

Deal found 12/24

$2,299

Tue 12/306:08 pmMDW - BSL

2 stops12h 42mDelta

Fri 9/182:20 pmBSL - MDW

2 stops26h 30mDelta

Deal found 12/24

$2,312

Tue 12/306:08 pmMDW - BSL

2 stops12h 42mDelta

Sun 9/206:20 amBSL - MDW

2 stops22h 26mDelta

Deal found 12/24

$2,359

Thu 2/266:36 pmSTL - BSL

2 stops13h 29mMultiple Airlines

Mon 3/91:10 pmBSL - STL

2 stops16h 41mMultiple Airlines

Deal found 12/26

$18,951

Last-minute flights from Illinois to Basel
Discover last-minute flight deals from Illinois to Basel. Data last updated December 28, 2025 and is based on user searches.

Tue 1/1311:50 amORD - BSL

1 stop22h 20mTurkish Airlines

Tue 1/2710:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$671

Wed 1/1411:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Wed 1/286:05 pmBSL - ORD

1 stop23h 00mTurkish Airlines

Deal found 12/27

$674

Wed 1/1411:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Tue 1/2010:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$685

Mon 1/1911:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Tue 2/310:55 amBSL - ORD

1 stop38h 30mTurkish Airlines

Deal found 12/27

$597

Mon 1/1911:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Tue 1/2710:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$626

Mon 1/1911:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Mon 1/266:05 pmBSL - ORD

1 stop31h 20mTurkish Airlines

Deal found 12/26

$681

Wed 1/2111:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Sun 1/2510:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$687

Thu 1/2211:50 amORD - BSL

1 stop22h 20mTurkish Airlines

Tue 1/2710:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$641

Thu 1/2211:50 amORD - BSL

1 stop22h 20mTurkish Airlines

Mon 1/266:05 pmBSL - ORD

1 stop23h 00mTurkish Airlines

Deal found 12/26

$696

Fri 1/239:57 amSTL - BSL

2 stops23h 08mUnited Airlines

Tue 1/279:50 amBSL - STL

2 stops21h 09mUnited Airlines

Deal found 12/25

$500

Mon 1/2611:50 amORD - BSL

1 stop15h 10mTurkish Airlines

Mon 2/210:55 amBSL - ORD

1 stop38h 30mTurkish Airlines

Deal found 12/27

$652

Tue 1/2711:50 amORD - BSL

1 stop22h 20mTurkish Airlines

Tue 2/1010:55 amBSL - ORD

1 stop30h 10mTurkish Airlines

Deal found 12/26

$608

One-way flights from Illinois to Basel
Search for one-way flight options from Illinois to Basel. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Sun 2/156:30 pmORD - BSL

2 stops19h 40mMultiple Airlines

Deal found 12/27

$249

Sat 1/106:30 pmORD - BSL

2 stops19h 30mMultiple Airlines

Deal found 12/27

$288

Mon 1/126:30 pmORD - BSL

3 stops35h 35mMultiple Airlines

Deal found 12/27

$304

Fri 1/98:35 amORD - BSL

3 stops39h 25mMultiple Airlines

Deal found 12/27

$306

Sun 1/116:30 pmORD - BSL

3 stops31h 05mMultiple Airlines

Deal found 12/27

$307

Wed 1/76:30 pmORD - BSL

3 stops17h 00mMultiple Airlines

Deal found 12/27

$351

Thu 1/86:50 pmORD - BSL

3 stops34h 50mMultiple Airlines

Deal found 12/27

$354

Sun 2/157:30 amMDW - BSL

3 stops27h 05mMultiple Airlines

Deal found 12/27

$481

Tue 12/301:05 pmSTL - BSL

2 stops13h 50mMultiple Airlines

Deal found 12/25

$848

Thu 1/812:41 pmMDW - BSL

2 stops16h 49mMultiple Airlines

Deal found 12/27

$2,255

Tue 2/177:00 amSTL - BSL

3 stops28h 30mMultiple Airlines

Deal found 12/26

$2,307

Tue 2/1711:39 amSTL - BSL

2 stops25h 06mAustrian Airlines

Deal found 12/26

$3,058

Find flight deals from Illinois to Basel

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$494 (lastminute.com)
One-way from	$249 (Trip.com)

Provider with most accurate pricing for Chicago (CHI)-Basel (EAP) flight deals.

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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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Fly from

Fly to

Route

Depart

Return

Price

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Mon 2/9

6:40 pm-4:05 pm

2 stops14h 25m

Basel EuroAirport Swiss

Mon 2/16

6:45 am-9:40 pm

2 stops21h 55m

$494

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 1/23

9:57 am-4:05 pm

2 stops23h 08m

Basel EuroAirport Swiss

Tue 1/27

9:50 am-11:59 pm

2 stops21h 09m

$500

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 4/1

11:25 am-9:45 am

1 stop15h 20m

Basel EuroAirport Swiss

Thu 4/9

10:40 am-9:40 am

1 stop30h 00m

$598

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 3/20

2:00 pm-5:05 pm

2 stops21h 05m

Basel EuroAirport Swiss

Sat 3/28

6:00 pm-10:58 pm

2 stops34h 58m

$636

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Fri 3/20

4:50 pm-1:35 pm

1 stop14h 45m

Basel EuroAirport Swiss

Sat 3/28

7:05 pm-9:08 pm

2 stops32h 03m

$641

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Mon 1/19

11:50 am-10:00 am

1 stop15h 10m

Basel EuroAirport Swiss

Mon 1/26

6:05 pm-6:25 pm

1 stop31h 20m

$681

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 1/21

11:50 am-10:00 am

1 stop15h 10m

Basel EuroAirport Swiss

Sun 1/25

10:55 am-10:05 am

1 stop30h 10m

$687

ChampaignBasel

CMI - BSL

CMIBSL

Champaign University-Willard

Wed 1/28

11:24 am-10:05 pm

2 stops27h 41m

Basel EuroAirport Swiss

Sun 2/1

11:20 am-6:23 pm

2 stops38h 03m

$702

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 2/15

6:00 pm-12:30 pm

1 stop11h 30m

Basel EuroAirport Swiss

Wed 2/25

6:45 am-2:10 pm

2 stops14h 25m

$729

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 1/18

11:50 am-10:00 am

1 stop15h 10m

Basel EuroAirport Swiss

Sun 2/1

10:55 am-10:05 am

1 stop30h 10m

$734

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 54 results

...

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

No data available for this route at this time. Please check back soon.

Related info for your journey

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.
How long is the flight from Illinois to Basel?
A quick flight from Illinois to Basel can take about 14h 25m. Lufthansa provides one of the quickest options available for as low as $494. Airlines will cover a distance of 4630 mi. This flight may include one or multiple stops.
What are the most popular routes from Illinois to Basel?
While some choose either Lambert-St Louis - Basel EuroAirport Swiss or Chicago Midway - 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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$249+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Illinois to Basel

Cheapest flights from Illinois to BaselExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from Illinois to Basel

Keep the following information in mind while searching for Illinois to Basel flight deals. Data was last updated December 28, 2025.

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Round-trip from

One-way from

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Use the filters below to find and compare flights from Illinois to Basel that are best for you.

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.

Cheapflights Insights

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

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?

How long is the flight from Illinois to Basel?

What are the most popular routes from Illinois to Basel?

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

How can I find direct flights from Illinois to Basel?

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

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Alternative routes for Illinois to Basel

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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 December 28, 2025.