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Illinois

$334+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
ZRH — ORD
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$438
(Flightnetwork)

One-way from

$352
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$603

Good round-trip deal

$718 or less

Good one-way deal

$626 or less
Provider with most accurate pricing for Zurich-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Zurich-Chicago (CHI) flights.
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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. 15% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:20 pmBSL - ORD
1 stop25h 30mBritish Airways
Tue 9/234:55 pmORD - BSL
1 stop18h 35mBritish Airways
Deal found 4/28$438
This United Airlines deal was found by Cheapflights users on 4/29. 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 11/56:10 amGVA - ORD
2 stops15h 35mUnited Airlines
Fri 11/211:12 pmORD - GVA
1 stop11h 23mUnited Airlines
Deal found 4/29$448
This American Airlines deal was found by Cheapflights users on 4/28. 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 9/96:45 amBSL - ORD
1 stop12h 05mAmerican Airlines
Mon 9/224:55 pmORD - BSL
1 stop11h 05mAmerican Airlines
Deal found 4/28$449
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 6/1110:15 amGVA - ORD
1 stop12h 40mAmerican Airlines
Fri 7/118:15 pmORD - GVA
1 stop19h 55mAmerican Airlines
Deal found 4/28$463
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Tue 8/197:00 amGVA - ORD
1 stop11h 50mBritish Airways
Thu 8/285:45 pmORD - GVA
1 stop13h 20mBritish Airways
Deal found 4/29$464
This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:40 pmGVA - ORD
1 stop14h 32mAir Canada
Sun 5/2512:00 pmORD - GVA
2 stops14h 55mAir Canada
Deal found 4/28$474
This Delta deal was found by Cheapflights users on 4/28. 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 6/29:05 amGVA - ORD
1 stop12h 05mDelta
Tue 9/25:45 pmORD - GVA
2 stops15h 25mDelta
Deal found 4/28$475
This Flysmarter deal was found by Cheapflights users on 4/28. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/212:40 pmGVA - ORD
2 stops16h 25mMultiple Airlines
Wed 7/26:00 pmORD - GVA
1 stop11h 20mMultiple Airlines
Deal found 4/28$477
This Delta deal was found by Cheapflights users on 4/29. 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 6/27:15 amGVA - MDW
2 stops17h 30mDelta
Tue 9/25:59 pmMDW - GVA
2 stops15h 11mDelta
Deal found 4/29$481
This Finnair deal was found by Cheapflights users on 4/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/87:05 pmZRH - ORD
1 stop29h 45mFinnair
Thu 6/195:45 pmORD - ZRH
2 stops17h 35mFinnair
Deal found 4/28$505
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/67:30 amZRH - ORD
2 stops20h 54mAmerican Airlines
Mon 6/1610:03 amORD - ZRH
2 stops18h 02mAmerican Airlines
Deal found 4/28$510
This Flysmarter deal was found by Cheapflights users on 4/28. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:05 amZRH - ORD
2 stops15h 24mMultiple Airlines
Tue 11/42:00 pmORD - ZRH
2 stops14h 50mMultiple Airlines
Deal found 4/28$512

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 April 29, 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

Mon 9/8

7:20 pm-1:50 pm

1 stop25h 30m

Chicago O'Hare Intl

Tue 9/23

4:55 pm-6:30 pm

1 stop18h 35m

$438

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Mon 6/2

12:40 pm-8:20 pm

1 stop14h 40m

Chicago O'Hare Intl

Wed 7/2

3:55 pm-7:00 pm

1 stop20h 05m

$449

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Tue 9/9

6:45 am-11:50 am

1 stop12h 05m

Chicago O'Hare Intl

Mon 9/22

4:55 pm-11:00 am

1 stop11h 05m

$449

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Wed 6/11

10:15 am-3:55 pm

1 stop12h 40m

Chicago O'Hare Intl

Fri 7/11

8:15 pm-11:10 pm

1 stop19h 55m

$463

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Tue 8/19

7:00 am-11:50 am

1 stop11h 50m

Chicago O'Hare Intl

Thu 8/28

5:45 pm-2:05 pm

1 stop13h 20m

$464

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Mon 5/12

12:40 pm-8:12 pm

1 stop14h 32m

Chicago O'Hare Intl

Sun 5/25

12:00 pm-9:55 am

2 stops14h 55m

$474

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Mon 6/2

9:05 am-2:10 pm

1 stop12h 05m

Chicago O'Hare Intl

Tue 9/2

5:45 pm-4:10 pm

2 stops15h 25m

$475

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Mon 6/2

12:40 pm-10:05 pm

2 stops16h 25m

Chicago O'Hare Intl

Wed 7/2

6:00 pm-12:20 pm

1 stop11h 20m

$477

GenevaChicago

GVA - MDW

GVAMDW

Geneva Geneve-Cointrin

Mon 6/2

7:15 am-5:45 pm

2 stops17h 30m

Chicago Midway

Tue 9/2

5:59 pm-4:10 pm

2 stops15h 11m

$481

ZurichChicago

ZRH - ORD

ZRHORD

Zurich

Sun 6/8

7:05 pm-5:50 pm

1 stop29h 45m

Chicago O'Hare Intl

Thu 6/19

5:45 pm-6:20 pm

2 stops17h 35m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April 29, 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 April 29, 2025.

The most flights from CH0 to USIL are scheduled on a Tuesday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 29, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and LOT from Switzerland to Illinois to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    To fly one-way, consider booking your trip with Air Serbia, which is currently one of the cheapest options available, starting at $414. LOT flights start at $436 while deals on British Airways start at $453 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

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$431Average$632FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$431Average$531FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$436Average$628FlexibilityNo cancel feeOn-time69%
DeltaCheapest$462Average$747FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$496Average$666FlexibilityNo cancel feeOn-time79%

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