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$294+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EAP
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$550
(FlightHub)

One-way from

$294
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$829
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. 9% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/19. 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.
Sun 3/28:30 pmORD - BSL
1 stop30h 35mTurkish Airlines
Tue 3/1111:00 amBSL - ORD
1 stop30h 10mTurkish Airlines
Deal found 2/19$550
This Trip.com deal was found by Cheapflights users on 2/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/29:40 pmORD - BSL
2 stops18h 30mMultiple Airlines
Wed 4/96:10 amBSL - ORD
2 stops20h 45mMultiple Airlines
Deal found 2/19$688
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/194:45 pmSTL - BSL
1 stop11h 40mUnited Airlines
Wed 3/269:35 amBSL - STL
2 stops16h 15mUnited Airlines
Deal found 2/19$809
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 4/34:25 pmORD - BSL
2 stops15h 00mAmerican Airlines
Thu 4/1012:15 pmBSL - ORD
1 stop13h 00mAmerican Airlines
Deal found 2/19$1,003
This Booking.com deal was found by Cheapflights users on 2/19. 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.
Thu 4/34:27 pmORD - BSL
2 stops14h 58mBritish Airways
Thu 4/106:10 amBSL - ORD
1 stop12h 35mBritish Airways
Deal found 2/19$1,033
This Delta deal was found by Cheapflights users on 2/19. 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 4/212:51 pmMDW - BSL
2 stops13h 39mDelta
Wed 4/96:15 amBSL - MDW
2 stops18h 47mDelta
Deal found 2/19$1,069
This Delta deal was found by Cheapflights users on 2/20. 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 8/1311:00 amORD - BSL
2 stops15h 30mDelta
Fri 8/226:15 amBSL - ORD
1 stop14h 55mDelta
Deal found 2/20$1,108
This Austrian Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 5/194:20 pmORD - BSL
1 stop34h 20mAustrian Airlines
Mon 5/268:25 pmBSL - ORD
1 stop23h 55mAustrian Airlines
Deal found 2/19$1,112
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 5/194:05 pmORD - BSL
2 stops13h 20mUnited Airlines
Mon 5/261:00 pmBSL - ORD
1 stop30h 30mUnited Airlines
Deal found 2/19$1,118
This Air Canada deal was found by Cheapflights users on 2/19. 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.
Mon 3/1711:35 amORD - BSL
2 stops16h 50mAir Canada
Wed 3/267:10 amBSL - ORD
2 stops18h 45mAir Canada
Deal found 2/19$1,297
This British Airways deal was found by Cheapflights users on 2/19. 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.
Sat 8/26:13 pmSTL - BSL
2 stops17h 12mBritish Airways
Sat 8/911:50 amBSL - STL
2 stops16h 59mBritish Airways
Deal found 2/19$1,356
This KLM deal was found by Cheapflights users on 2/19. 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.
Sun 4/61:15 pmMDW - BSL
2 stops13h 20mKLM
Sun 4/1310:15 amBSL - MDW
2 stops14h 47mKLM
Deal found 2/19$1,574

Find flights from Illinois to Basel within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

Basel

Route

Depart

Return

Price

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Sun 3/2

8:30 pm-10:05 am

1 stop30h 35m

Basel EuroAirport Swiss

Tue 3/11

11:00 am-11:10 am

1 stop30h 10m

$550

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Wed 4/2

9:40 pm-11:10 pm

2 stops18h 30m

Basel EuroAirport Swiss

Wed 4/9

6:10 am-7:55 pm

2 stops20h 45m

$688

St. LouisBasel

STL - BSL

STLBSL

Lambert-St Louis

Wed 3/19

4:45 pm-10:25 am

1 stop11h 40m

Basel EuroAirport Swiss

Wed 3/26

9:35 am-7:50 pm

2 stops16h 15m

$809

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Thu 4/3

4:25 pm-2:25 pm

2 stops15h 00m

Basel EuroAirport Swiss

Thu 4/10

12:15 pm-6:15 pm

1 stop13h 00m

$1,003

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Thu 4/3

4:27 pm-2:25 pm

2 stops14h 58m

Basel EuroAirport Swiss

Thu 4/10

6:10 am-11:45 am

1 stop12h 35m

$1,033

ChicagoBasel

MDW - BSL

MDWBSL

Chicago Midway

Wed 4/2

12:51 pm-9:30 am

2 stops13h 39m

Basel EuroAirport Swiss

Wed 4/9

6:15 am-6:02 pm

2 stops18h 47m

$1,069

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Mon 5/19

4:20 pm-9:40 am

1 stop34h 20m

Basel EuroAirport Swiss

Mon 5/26

8:25 pm-1:20 pm

1 stop23h 55m

$1,112

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Mon 5/19

4:05 pm-12:25 pm

2 stops13h 20m

Basel EuroAirport Swiss

Mon 5/26

1:00 pm-12:30 pm

1 stop30h 30m

$1,118

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Fri 5/16

4:20 pm-5:50 pm

1 stop18h 30m

Basel EuroAirport Swiss

Fri 5/23

6:15 am-4:47 pm

2 stops17h 32m

$1,179

ChicagoBasel

ORD - BSL

ORDBSL

Chicago O'Hare Intl

Mon 3/17

11:35 am-10:25 am

2 stops16h 50m

Basel EuroAirport Swiss

Wed 3/26

7:10 am-7:55 pm

2 stops18h 45m

$1,297

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 22 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.

Travel insights for flights from Illinois to Basel

Get recent, data-driven insights about flights from Illinois to Basel including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 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
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

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
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

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
773 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

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
1,449 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

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.

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

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 ($538), British Airways ($1,071), and American Airlines ($1,120).

  • 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.

  • 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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Alternative routes for Illinois to Basel

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