$329+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
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 June 15, 2025.
Round-trip from | $447 (Flightnetwork) |
|---|---|
One-way from | $329 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $721 |
Good round-trip deal | $671 or less |
Good one-way deal | $583 or less |
Find flight deals from Switzerland to Illinois
Cheapest flights from Switzerland to IllinoisExplore 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 June 15, 2025.
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 June 15, 2025.
This Flightnetwork deal was found by Cheapflights users on 6/13. 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.
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Iberia deal was found by Cheapflights users on 6/13. 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.
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/13. 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.
This Delta deal was found by Cheapflights users on 6/13. 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.
This Flysmarter deal was found by Cheapflights users on 6/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 6/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Flysmarter deal was found by Cheapflights users on 6/14. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Austrian Airlines deal was found by Cheapflights users on 6/15. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 6/14. 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.
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 June 15, 2025.
Use the filters below to find and compare flights from Switzerland to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BaselChicago
BSL - ORD
BSLORD
Basel EuroAirport Swiss
Fri 10/17
6:00 am-3:55 pm
1 stop16h 55m
Chicago O'Hare Intl
Fri 10/24
4:55 pm-11:00 am
1 stop11h 05m
BaselChicago
BSL - ORD
BSLORD
Basel EuroAirport Swiss
Fri 10/17
6:00 am-1:50 pm
1 stop14h 50m
Chicago O'Hare Intl
Fri 10/24
12:54 pm-11:00 am
2 stops15h 06m
GenevaChicago
GVA - ORD
GVAORD
Geneva Geneve-Cointrin
Mon 9/1
6:10 am-11:00 am
1 stop11h 50m
Chicago O'Hare Intl
Thu 10/2
10:40 am-9:55 am
1 stop16h 15m
GenevaChicago
GVA - ORD
GVAORD
Geneva Geneve-Cointrin
Fri 9/5
7:00 am-2:50 pm
1 stop14h 50m
Chicago O'Hare Intl
Thu 9/11
1:59 pm-10:35 am
2 stops13h 36m
BaselChicago
BSL - ORD
BSLORD
Basel EuroAirport Swiss
Fri 10/17
6:00 am-3:52 pm
2 stops16h 52m
Chicago O'Hare Intl
Fri 10/24
9:45 am-11:00 am
2 stops18h 15m
GenevaChicago
GVA - ORD
GVAORD
Geneva Geneve-Cointrin
Wed 10/1
11:55 am-10:02 pm
2 stops17h 07m
Chicago O'Hare Intl
Wed 10/8
5:10 pm-1:50 pm
1 stop13h 40m
GenevaChicago
GVA - MDW
GVAMDW
Geneva Geneve-Cointrin
Wed 8/20
7:15 am-5:37 pm
2 stops17h 22m
Chicago Midway
Mon 8/25
9:30 am-9:40 am
2 stops17h 10m
GenevaChicago
GVA - ORD
GVAORD
Geneva Geneve-Cointrin
Wed 7/2
6:10 am-2:55 pm
1 stop15h 45m
Chicago O'Hare Intl
Wed 7/16
1:01 pm-12:20 pm
2 stops16h 19m
GenevaChicago
GVA - ORD
GVAORD
Geneva Geneve-Cointrin
Thu 8/21
10:15 am-8:01 am
2 stops28h 46m
Chicago O'Hare Intl
Mon 8/25
8:40 am-10:35 am
2 stops18h 55m
GenevaChicago
GVA - ORD
GVAORD
Geneva Geneve-Cointrin
Wed 7/2
6:10 am-2:55 pm
1 stop15h 45m
Chicago O'Hare Intl
Mon 8/4
10:30 pm-6:50 pm
1 stop13h 20m
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.
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 June 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 June 15, 2025.
The most flights from CH0 to USIL are scheduled on a Tuesday (9 on average). You will have fewer flight options on Monday, 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 June 15, 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.
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
Crew
Entertainment
Boarding
Food
Overall
Comfort
Reviews
Kim,May 2025
PIH - SLC
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.
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.
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 June 15, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$431 | Average$652 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$433 | Average$538 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$433 | Average$747 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$436 | Average$591 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$476 | Average$633 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$512 | Average$667 | FlexibilityNo cancel fee | On-time79% |