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$276+ Cheap flights from Switzerland to Illinois

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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
ZRH — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Switzerland to Illinois

Keep the following information in mind while searching for Switzerland to Illinois flight deals. Data was last updated September 15, 2025.

Round-trip from

$461
(American Airlines)

One-way from

$276
(American Airlines)

Popular in

August

Cheapest in

February

Average price

$688

Good round-trip deal

$577 or less

Good one-way deal

$556 or less
From Switzerland to Illinois
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One-way flight from Switzerland to Illinois
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Highest demand for flights based on searches. 7% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Switzerland to Illinois.
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Price to beat on a one-way flight from Switzerland to Illinois.
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Find flight deals from Switzerland to Illinois

Cheapest flights from Switzerland to Illinois
Explore the most affordable flight options available from Switzerland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Billigflug deal was found by Cheapflights users on 9/15. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:35 amBSL - ORD
1 stop15h 15mMultiple Airlines
Mon 10/610:35 pmORD - BSL
1 stop17h 15mMultiple Airlines
Deal found 9/15$459
This American Airlines deal was found by Cheapflights users on 9/13. 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 11/136:05 amBSL - ORD
1 stop17h 55mAmerican Airlines
Mon 11/1711:48 amORD - BSL
2 stops19h 47mAmerican Airlines
Deal found 9/13$461
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 11/87:10 amBSL - ORD
1 stop15h 15mAmerican Airlines
Wed 11/123:08 pmORD - BSL
2 stops16h 47mAmerican Airlines
Deal found 9/14$466
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/176:00 amBSL - ORD
2 stops22h 23mAmerican Airlines
Fri 10/241:43 pmORD - BSL
2 stops14h 17mAmerican Airlines
Deal found 9/14$467
This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:10 amBSL - ORD
2 stops17h 35mMultiple Airlines
Wed 11/123:08 pmORD - BSL
2 stops16h 47mMultiple Airlines
Deal found 9/14$468
This British Airways deal was found by Cheapflights users on 9/14. 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.
Sun 11/99:10 amGVA - ORD
2 stops17h 10mBritish Airways
Sun 11/235:10 pmORD - GVA
1 stop11h 00mBritish Airways
Deal found 9/14$475
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/57:00 amGVA - ORD
2 stops15h 38mAmerican Airlines
Sat 10/185:40 pmORD - GVA
1 stop14h 50mAmerican Airlines
Deal found 9/13$477
This Delta deal was found by Cheapflights users on 9/15. 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 9/259:05 amGVA - ORD
1 stop12h 05mDelta
Mon 9/2910:40 amORD - GVA
2 stops16h 00mDelta
Deal found 9/15$481
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Mon 9/297:10 amGVA - ORD
2 stops14h 54mAir Canada
Mon 10/138:40 amORD - GVA
2 stops19h 00mAir Canada
Deal found 9/13$485
This Delta deal was found by Cheapflights users on 9/13. 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 10/22:10 pmGVA - ORD
2 stops16h 44mDelta
Wed 10/153:50 pmORD - GVA
2 stops15h 00mDelta
Deal found 9/13$487
This Delta deal was found by Cheapflights users on 9/15. 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 10/307:10 amGVA - MDW
2 stops17h 15mDelta
Thu 11/610:40 amMDW - GVA
2 stops16h 00mDelta
Deal found 9/15$487
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Fri 10/316:45 amGVA - ORD
2 stops19h 15mAir Canada
Wed 12/3112:50 pmORD - GVA
2 stops16h 40mAir Canada
Deal found 9/14$489

Cheapflights Fare Finder

 
Customize your flight search to find flights from Switzerland to Illinois 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 September 15, 2025.
Use the filters below to find and compare flights from Switzerland to Illinois that are best for you.

Fly from

Switzerland

Fly to

Illinois

Route

Depart

Return

Price

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Sat 11/8

7:10 am-3:25 pm

1 stop15h 15m

Chicago O'Hare Intl

Wed 11/12

8:40 pm-2:55 pm

1 stop11h 15m

$461

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Thu 11/13

6:05 am-5:00 pm

1 stop17h 55m

Chicago O'Hare Intl

Mon 11/17

11:48 am-2:35 pm

2 stops19h 47m

$461

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Fri 10/31

7:00 am-7:45 pm

1 stop18h 45m

Chicago O'Hare Intl

Mon 11/3

9:21 am-2:35 pm

2 stops22h 14m

$461

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Fri 10/17

11:45 am-9:13 am

2 stops28h 28m

Chicago O'Hare Intl

Fri 10/24

8:40 pm-10:50 pm

1 stop19h 10m

$467

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Sun 11/9

9:10 am-7:20 pm

2 stops17h 10m

Chicago O'Hare Intl

Sun 11/23

5:10 pm-11:10 am

1 stop11h 00m

$475

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Thu 9/25

9:05 am-2:10 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 9/29

10:40 am-9:40 am

2 stops16h 00m

$481

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Thu 10/2

2:10 pm-11:54 pm

2 stops16h 44m

Chicago O'Hare Intl

Wed 10/15

3:50 pm-1:50 pm

2 stops15h 00m

$487

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Sun 11/9

9:10 am-2:20 pm

1 stop12h 10m

Chicago O'Hare Intl

Sun 11/23

10:46 am-8:25 am

2 stops14h 39m

$487

GenevaChicago

GVA - MDW

GVAMDW

Geneva Geneve-Cointrin

Thu 10/30

7:10 am-6:25 pm

2 stops17h 15m

Chicago Midway

Thu 11/6

10:40 am-9:40 am

2 stops16h 00m

$487

GenevaChicago

GVA - MDW

GVAMDW

Geneva Geneve-Cointrin

Thu 10/2

9:05 am-6:35 pm

2 stops16h 30m

Chicago Midway

Wed 10/15

6:23 pm-4:10 pm

2 stops14h 47m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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Best time to book a flight from Switzerland to Illinois

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

What is the cheapest month to book a flight from Switzerland to Illinois?

Currently, August is the cheapest month in which you can book a flight from Switzerland to Illinois (average of $245). Flying from Switzerland to Illinois in March is currently the most expensive (average of $321). 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.

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

Find hourly flight availability from Switzerland to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Switzerland to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Switzerland to Illinois

Explore weekly flight availability from Switzerland to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from CH0 to USIL are scheduled on a Friday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown SWISS, United Airlines, and American Airlines from Switzerland to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,730 reviews

Entertainment

6.8

Crew

8.2

Overall

7.5

Food

7.1

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
SWISS
7.5
Good
1,730 reviews
SWISS
7.5
Good
1,730 reviews

Entertainment

6.8

Crew

8.2

Overall

7.5

Food

7.1

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
United Airlines
7.4
Good
8,929 reviews
SWISS
7.5
Good
1,730 reviews

Entertainment

6.8

Crew

8.2

Overall

7.5

Food

7.1

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,730 reviews

Entertainment

6.8

Crew

8.2

Overall

7.5

Food

7.1

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
Lufthansa
6.8
Okay
7,407 reviews
SWISS
7.5
Good
1,730 reviews

Entertainment

6.8

Crew

8.2

Overall

7.5

Food

7.1

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
British Airways
6.7
Okay
7,361 reviews
SWISS
7.5
Good
1,730 reviews

Entertainment

6.8

Crew

8.2

Overall

7.5

Food

7.1

Comfort

7.4

Boarding

7.7

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

Related info for your journey

Find useful and relevant information for your journey from Switzerland to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Switzerland to Illinois?

    For as low as $481, American Airlines can have you in Illinois from Switzerland in 12h 05m. There are 4380 mi between Switzerland and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $276. British Airways flights start at $319 while deals on TAP AIR PORTUGAL start at $331 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Switzerland to Illinois (average of $245). Flying from Switzerland to Illinois in March is currently the most expensive (average of $321). 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

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Alternative routes for Switzerland to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Switzerland to Illinois

Discover the top 5 airlines that operate flights from Switzerland to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$433Average$502FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$433Average$487FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$436Average$636FlexibilityNo cancel feeOn-time69%
SWISSCheapest$496Average$633FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$509Average$702FlexibilityNo cancel feeOn-time76%

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