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$303+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
ZRH — ORD
mars 19 — mars 261
mer. 3/19
mer. 3/26
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 mars 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$431
(United Airlines)

One-way from

$303
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$534

Good round-trip deal

$605 or less

Good one-way deal

$528 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. 14% potential increase in price ($114 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 March 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 mars 14, 2025.

This United Airlines deal was found by Cheapflights users on 3/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/212:40 pmGVA - ORD
2 stops17h 36mUnited Airlines
lun. 4/213:45 pmORD - GVA
1 stop20h 15mUnited Airlines
Deal found 3/13$431
This Iberia deal was found by Cheapflights users on 3/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/36:10 amBSL - ORD
1 stop19h 05mBritish Airways
mer. 4/164:55 pmORD - BSL
1 stop19h 20mBritish Airways
Deal found 3/13$442
This Expedia deal was found by Cheapflights users on 3/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/79:15 pmGVA - ORD
1 stop25h 40mBritish Airways
dim. 4/206:30 pmORD - GVA
2 stops15h 15mBritish Airways
Deal found 3/13$444
This Iberia deal was found by Cheapflights users on 3/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/36:10 amBSL - ORD
2 stops18h 23mMultiple Airlines
mer. 4/164:55 pmORD - BSL
1 stop11h 25mMultiple Airlines
Deal found 3/13$447
This American Airlines deal was found by Cheapflights users on 3/13. 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.
ven. 3/286:40 amGVA - ORD
2 stops30h 19mAmerican Airlines
ven. 4/1110:20 pmORD - GVA
1 stop17h 50mAmerican Airlines
Deal found 3/13$448
This Flightnetwork deal was found by Cheapflights users on 3/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/712:40 pmGVA - ORD
1 stop14h 20mAir Canada
dim. 4/207:20 amORD - GVA
2 stops18h 05mAir Canada
Deal found 3/13$463
This Delta deal was found by Cheapflights users on 3/13. 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.
jeu. 4/37:15 amGVA - MDW
2 stops17h 47mDelta
dim. 4/203:02 pmMDW - GVA
2 stops13h 08mDelta
Deal found 3/13$463
This Expedia deal was found by Cheapflights users on 3/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/1110:15 amGVA - ORD
1 stop13h 45mMultiple Airlines
mer. 6/1810:25 pmORD - GVA
1 stop15h 10mMultiple Airlines
Deal found 3/13$465
This Austrian Airlines deal was found by Cheapflights users on 3/13. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 4/69:35 amGVA - ORD
1 stop34h 45mAustrian Airlines
lun. 4/214:20 pmORD - GVA
1 stop33h 30mAustrian Airlines
Deal found 3/13$470
This American Airlines deal was found by Cheapflights users on 3/13. 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.
mar. 4/16:45 amBSL - ORD
2 stops33h 03mAmerican Airlines
lun. 4/77:15 pmORD - BSL
1 stop20h 35mAmerican Airlines
Deal found 3/13$474
This Delta deal was found by Cheapflights users on 3/13. 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.
mar. 4/110:15 amBSL - ORD
2 stops18h 32mDelta
mar. 4/82:10 pmORD - BSL
2 stops16h 00mDelta
Deal found 3/13$478
This KLM deal was found by Cheapflights users on 3/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/310:15 amBSL - MDW
2 stops14h 47mKLM
mer. 4/161:16 pmMDW - BSL
2 stops13h 19mKLM
Deal found 3/13$490

Find flights from Switzerland to Illinois within your budget

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 mars 14, 2025.

Fly from

Switzerland

Fly to

Illinois

Route

Depart

Return

Price

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

mer. 4/2

12:40 pm-11:16 pm

2 stops17h 36m

Chicago O'Hare Intl

lun. 4/21

3:45 pm-7:00 pm

1 stop20h 15m

$431

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

jeu. 4/3

6:10 am-6:15 pm

1 stop19h 05m

Chicago O'Hare Intl

mer. 4/16

4:55 pm-7:15 pm

1 stop19h 20m

$442

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

lun. 4/7

9:15 pm-3:55 pm

1 stop25h 40m

Chicago O'Hare Intl

dim. 4/20

6:30 pm-4:45 pm

2 stops15h 15m

$444

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

jeu. 4/3

6:10 am-5:33 pm

2 stops18h 23m

Chicago O'Hare Intl

mer. 4/16

4:55 pm-11:20 am

1 stop11h 25m

$447

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

ven. 3/28

4:40 pm-6:59 am

2 stops20h 19m

Chicago O'Hare Intl

lun. 4/14

4:49 pm-2:35 pm

2 stops14h 46m

$448

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

lun. 4/7

12:40 pm-8:00 pm

1 stop14h 20m

Chicago O'Hare Intl

dim. 4/20

7:20 am-8:25 am

2 stops18h 05m

$463

GenevaChicago

GVA - MDW

GVAMDW

Geneva Geneve-Cointrin

jeu. 4/3

7:15 am-6:02 pm

2 stops17h 47m

Chicago Midway

dim. 4/20

3:02 pm-11:10 am

2 stops13h 08m

$463

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

mer. 6/11

10:15 am-5:00 pm

1 stop13h 45m

Chicago O'Hare Intl

mer. 6/18

10:25 pm-8:35 pm

1 stop15h 10m

$465

GenevaChicago

GVA - ORD

GVAORD

Geneva Geneve-Cointrin

dim. 4/6

9:35 am-1:20 pm

1 stop34h 45m

Chicago O'Hare Intl

lun. 4/21

4:20 pm-8:50 am

1 stop33h 30m

$470

BaselChicago

BSL - ORD

BSLORD

Basel EuroAirport Swiss

mar. 4/1

6:45 am-8:48 am

2 stops33h 03m

Chicago O'Hare Intl

lun. 4/7

7:15 pm-10:50 pm

1 stop20h 35m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

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.

Travel insights for flights from Switzerland to Illinois

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

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 $327). 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 mars 14, 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 mars 14, 2025.

The most flights from CH0 to USIL are scheduled on a Monday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 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 mars 14, 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
7,944 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

8.0

Entertainment

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
7,944 reviews
Delta
8.0
Very good
7,944 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

8.0

Entertainment

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
1,320 reviews
Delta
8.0
Very good
7,944 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

8.0

Entertainment

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
1,058 reviews
Delta
8.0
Very good
7,944 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

8.0

Entertainment

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
1,268 reviews
Delta
8.0
Very good
7,944 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

8.0

Entertainment

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
766 reviews
Delta
8.0
Very good
7,944 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Comfort

8.0

Entertainment

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 $366. TAP AIR PORTUGAL flights start at $395 while deals on LOT start at $409 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 $327). 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 6 airlines flying from Switzerland to Illinois

Discover the top 6 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 mars 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$404Average$494FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$431Average$601FlexibilityNo cancel feeOn-time71%
DeltaCheapest$462Average$747FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$491Average$592FlexibilityNo cancel feeOn-time69%
SWISSCheapest$496Average$638FlexibilityNo cancel feeOn-time79%
ITA AirwaysCheapest$513Average$513FlexibilityNo cancel feeOn-time81%
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