HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$319+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ZRH — ORD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Switzerland to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$452
(United Airlines)

One-way from

$319
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$602

Good round-trip deal

$714 or less

Good one-way deal

$617 or less
Provider with most accurate pricing for Zurich-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Zurich-Chicago (CHI) flights.
Search Deals
From Switzerland to Illinois
Search Deals
One-way flight from Switzerland to Illinois
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Switzerland to Illinois.
Search Deals
Price to beat on a one-way flight from Switzerland to Illinois.
Search Deals

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 17, 2025.

This United Airlines deal was found by Cheapflights users on 4/16. 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.
Sun 5/1112:40 pmGVA - ORD
1 stop14h 32mUnited Airlines
Tue 5/272:20 pmORD - GVA
1 stop12h 40mUnited Airlines
Deal found 4/16$452
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/2411:50 amBSL - ORD
1 stop30h 55mAmerican Airlines
Tue 6/34:44 pmORD - BSL
2 stops23h 06mAmerican Airlines
Deal found 4/17$454
This British Airways deal was found by Cheapflights users on 4/17. 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 5/2411:50 amBSL - ORD
1 stop13h 25mBritish Airways
Tue 6/38:30 pmORD - BSL
1 stop15h 45mBritish Airways
Deal found 4/17$455
This Flightnetwork deal was found by Cheapflights users on 4/16. 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.
Sun 5/117:15 amGVA - ORD
2 stops19h 57mAir Canada
Tue 5/273:35 pmORD - GVA
1 stop11h 20mAir Canada
Deal found 4/16$459
This Iberia deal was found by Cheapflights users on 4/16. 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.
Sun 9/217:45 amZRH - ORD
1 stop17h 30mBritish Airways
Sat 10/47:10 pmORD - ZRH
1 stop15h 10mBritish Airways
Deal found 4/16$459
This Billigflug deal was found by Cheapflights users on 4/16. 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.
Wed 6/47:25 amGVA - ORD
1 stop12h 25mMultiple Airlines
Mon 6/98:45 amORD - GVA
1 stop15h 45mMultiple Airlines
Deal found 4/16$463
This American Airlines deal was found by Cheapflights users on 4/16. 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 5/17:00 amGVA - ORD
1 stop18h 15mAmerican Airlines
Sun 5/117:15 pmORD - GVA
1 stop12h 10mAmerican Airlines
Deal found 4/16$465
This Billigflug deal was found by Cheapflights users on 4/16. 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.
Wed 4/3011:45 amZRH - ORD
1 stop34h 18mMultiple Airlines
Wed 5/147:00 amORD - ZRH
1 stop18h 50mMultiple Airlines
Deal found 4/16$467
This Delta deal was found by Cheapflights users on 4/16. 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.
Sun 9/211:35 pmZRH - ORD
1 stop14h 16mDelta
Sat 10/45:45 pmORD - ZRH
2 stops13h 10mDelta
Deal found 4/16$478
This Delta deal was found by Cheapflights users on 4/17. 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 - ORD
1 stop13h 55mDelta
Tue 9/25:45 pmORD - GVA
2 stops15h 25mDelta
Deal found 4/17$480
This CheapTickets.ch deal was found by Cheapflights users on 4/16. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/107:25 amGVA - ORD
1 stop15h 30mSWISS
Mon 6/1610:40 amORD - GVA
1 stop16h 15mSWISS
Deal found 4/16$483
This Delta deal was found by Cheapflights users on 4/16. 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 9/17:15 amGVA - MDW
2 stops18h 13mDelta
Thu 10/25:59 pmMDW - GVA
2 stops12h 51mDelta
Deal found 4/16$484

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 17, 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

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Sun 5/11

12:40 pm-8:12 pm

1 stop14h 32m

Chicago O'Hare Intl

Tue 5/27

2:20 pm-10:00 am

1 stop12h 40m

$452

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Sat 5/24

11:50 am-11:45 am

1 stop30h 55m

Chicago O'Hare Intl

Tue 6/3

4:44 pm-10:50 pm

2 stops23h 06m

$454

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

Sat 5/24

11:50 am-6:15 pm

1 stop13h 25m

Chicago O'Hare Intl

Tue 6/3

8:30 pm-7:15 pm

1 stop15h 45m

$455

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Sun 5/11

7:15 am-8:12 pm

2 stops19h 57m

Chicago O'Hare Intl

Tue 5/27

3:35 pm-9:55 am

1 stop11h 20m

$459

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Wed 6/4

7:25 am-12:50 pm

1 stop12h 25m

Chicago O'Hare Intl

Mon 6/9

8:45 am-7:30 am

1 stop15h 45m

$463

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Thu 5/1

7:00 am-6:15 pm

1 stop18h 15m

Chicago O'Hare Intl

Sun 5/11

7:15 pm-2:25 pm

1 stop12h 10m

$465

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Mon 6/2

7:15 am-2:10 pm

1 stop13h 55m

Chicago O'Hare Intl

Tue 9/2

5:45 pm-4:10 pm

2 stops15h 25m

$480

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Tue 6/10

7:25 am-3:55 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 6/16

10:40 am-9:55 am

1 stop16h 15m

$483

GenevaChicago

GVA - MDW

GVAMDW

Geneva Geneve-Cointrin

Mon 9/1

7:15 am-6:28 pm

2 stops18h 13m

Chicago Midway

Thu 10/2

5:59 pm-1:50 pm

2 stops12h 51m

$484

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

Thu 5/1

10:10 am-6:15 pm

1 stop15h 05m

Chicago O'Hare Intl

Sun 5/11

3:20 pm-2:25 pm

2 stops16h 05m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 results
1
2
3
...
6

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 17, 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 17, 2025.

The most flights from CH0 to USIL are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 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 17, 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
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,065 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
775 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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 $336. LOT flights start at $438 while deals on TAP AIR PORTUGAL start at $445 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Switzerland to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to John F Kennedy Intl flights
Charles de Gaulle to Newark flights
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Frankfurt to John F Kennedy Intl flights
Charles de Gaulle to LaGuardia flights
Gatwick to John F Kennedy Intl flights
Orly to John F Kennedy Intl flights
Frankfurt to Newark flights
Orly to Newark flights
Charles de Gaulle to Miami flights
Madrid to John F Kennedy Intl flights
Heathrow to LaGuardia flights
London City to John F Kennedy Intl flights
Frankfurt to LaGuardia flights
Gatwick to Newark flights
Charles de Gaulle to Stewart flights
Madrid to Miami flights
Bruxelles-National to John F Kennedy Intl flights
Malpensa to John F Kennedy Intl flights
Madrid to Newark flights
London City to Newark flights
Malpensa to Newark flights
Bruxelles-National to Newark flights
Dublin to John F Kennedy Intl flights
Barcelona-El Prat to John F Kennedy Intl flights
Charles de Gaulle to Los Angeles flights
Frederic Chopin to John F Kennedy Intl flights
Barcelona-El Prat to Newark flights
Amsterdam to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Dublin to Newark flights
Berlin to John F Kennedy Intl flights
Leonardo da Vinci/Fiumicino to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Berlin to Newark flights
Frankfurt to Los Angeles flights
Vienna to John F Kennedy Intl flights
Vienna to Newark flights
Leonardo da Vinci/Fiumicino to Newark flights
Frederic Chopin to Newark flights
Amsterdam to Newark flights
Vicenza to John F Kennedy Intl flights
Charles de Gaulle to San Francisco flights
Zurich to John F Kennedy Intl flights
Heathrow to Boston flights
Heathrow to Orlando flights
Orly to Los Angeles flights

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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$431Average$627FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$431Average$506FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$436Average$639FlexibilityNo cancel feeOn-time69%
DeltaCheapest$462Average$747FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$496Average$668FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.