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$403+ Cheap flights from the Czech Republic 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Czech Republic to Illinois

Cheapest flights from Czech Republic to Illinois
Explore the most affordable flight options available from Czech Republic to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:20 amPRG - ORD
2 stops35h 05mMultiple Airlines
Wed 1/76:30 pmORD - PRG
2 stops19h 10mMultiple Airlines
Deal found 12/17$778
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:35 pmPRG - ORD
1 stop31h 25mLOT
Fri 1/239:55 pmORD - PRG
1 stop12h 20mLOT
Deal found 12/16$782
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:10 pmPRG - ORD
1 stop11h 55mLufthansa
Wed 1/76:00 pmORD - PRG
1 stop21h 25mLufthansa
Deal found 12/17$858
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/2311:50 amPRG - ORD
2 stops18h 54mUnited Airlines
Fri 1/234:10 pmORD - PRG
1 stop14h 45mUnited Airlines
Deal found 12/16$862
This SWISS deal was found by Cheapflights users on 12/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:15 pmPRG - ORD
1 stop23h 30mSWISS
Wed 1/79:05 pmORD - PRG
2 stops14h 55mSWISS
Deal found 12/17$881
This Booking.com deal was found by Cheapflights users on 12/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:35 amPRG - ORD
1 stop13h 45mLOT
Wed 12/319:55 pmORD - PRG
1 stop13h 55mLOT
Deal found 12/16$891
This Orbitz deal was found by Cheapflights users on 12/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:55 pmPRG - ORD
1 stop23h 15mLufthansa
Fri 2/139:15 pmORD - PRG
2 stops29h 35mLufthansa
Deal found 12/16$892
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:35 amPRG - ORD
1 stop17h 25mLOT
Thu 1/19:55 pmORD - PRG
1 stop31h 15mLOT
Deal found 12/17$898
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/213:00 pmPRG - ORD
2 stops15h 44mUnited Airlines
Thu 1/16:00 pmORD - PRG
1 stop21h 25mUnited Airlines
Deal found 12/16$914
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:15 amPRG - ORD
1 stop14h 55mUnited Airlines
Fri 2/136:00 pmORD - PRG
1 stop12h 05mUnited Airlines
Deal found 12/16$922
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/236:00 amPRG - MDW
2 stops18h 26mDelta
Fri 1/231:49 pmMDW - PRG
2 stops15h 06mDelta
Deal found 12/16$1,030
This Delta deal was found by Cheapflights users on 12/15. 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 12/256:00 amPRG - MDW
2 stops18h 19mDelta
Wed 1/76:14 pmMDW - PRG
2 stops15h 51mDelta
Deal found 12/15$1,035

Find flight deals from Czech Republic to Illinois

Keep the following information in mind while searching for Czech Republic to Illinois flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$626
(Mytrip)

One-way from

$403
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$864
Provider with most accurate pricing for Václav Havel Prague-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Václav Havel Prague-Chicago (CHI) flights.
Search Deals
From Czech Republic to Illinois
Search Deals
One-way flight from Czech Republic to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Czech Republic 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 December 18, 2025.
Use the filters below to find and compare flights from the Czech Republic to Illinois that are best for you.

Fly from

Czech Republic

Fly to

Illinois

Route

Depart

Return

Price

PragueChicago

PRG - ORD

PRGORD

Václav Havel Prague

Fri 1/30

12:45 pm-5:20 pm

2 stops35h 35m

Chicago O'Hare Intl

Fri 2/6

6:30 pm-8:10 pm

2 stops18h 40m

$626

PragueChicago

PRG - ORD

PRGORD

Václav Havel Prague

Thu 1/15

7:15 pm-3:25 pm

1 stop27h 10m

Chicago O'Hare Intl

Wed 1/28

7:10 pm-11:05 am

1 stop32h 55m

$643

PragueChicago

PRG - ORD

PRGORD

Václav Havel Prague

Fri 2/20

6:30 am-5:20 pm

2 stops17h 50m

Chicago O'Hare Intl

Fri 2/27

6:30 pm-8:55 pm

2 stops19h 25m

$649

PragueChicago

PRG - ORD

PRGORD

Václav Havel Prague

Thu 1/15

8:05 am-5:20 pm

2 stops16h 15m

Chicago O'Hare Intl

Wed 1/28

6:30 pm-8:05 am

3 stops30h 35m

$666

PragueChicago

PRG - ORD

PRGORD

Václav Havel Prague

Sun 1/11

8:50 pm-10:42 pm

2 stops32h 52m

Chicago O'Hare Intl

Fri 1/16

8:43 pm-9:45 am

3 stops30h 02m

$668

PragueChicago

PRG - ORD

PRGORD

Václav Havel Prague

Thu 2/26

3:00 pm-4:45 pm

1 stop32h 45m

Chicago O'Hare Intl

Sun 3/1

7:20 pm-2:20 pm

1 stop12h 00m

$697

PragueChicago

PRG - ORD

PRGORD

Václav Havel Prague

Sun 3/1

10:25 am-4:45 pm

1 stop13h 20m

Chicago O'Hare Intl

Wed 3/11

8:20 pm-1:05 pm

1 stop10h 45m

$712

PragueChicago

PRG - MDW

PRGMDW

Václav Havel Prague

Sat 2/28

6:00 am-4:14 pm

2 stops17h 14m

Chicago Midway

Wed 3/11

1:09 pm-11:40 am

2 stops16h 31m

$829

PragueChicago

PRG - MDW

PRGMDW

Václav Havel Prague

Sun 3/1

6:00 am-5:45 pm

2 stops18h 45m

Chicago Midway

Tue 3/10

2:03 pm-11:40 am

2 stops15h 37m

$829

PragueChicago

PRG - MDW

PRGMDW

Václav Havel Prague

Mon 3/2

8:55 am-10:42 pm

2 stops20h 47m

Chicago Midway

Wed 3/11

1:09 pm-11:40 am

2 stops16h 31m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 33 results
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Best time to book a flight from Czech Republic to Illinois

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

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

Currently, April is the cheapest month in which you can book a flight from Czech Republic to Illinois (average of $472). Flying from Czech Republic to Illinois in February is currently the most expensive (average of $983). 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 CZ to IL?

Find hourly flight availability from Czech Republic 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 December 18, 2025.

It’s optimal to fly from Czech Republic to Illinois in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the afternoon.

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 December 18, 2025.
See what other customers who have flown with LOT, United Airlines, and Turkish Airlines from the Czech Republic to Illinois have to say. 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.
LOT
7.5
Good
1,149 reviews

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
LOT
7.5
Good
1,149 reviews
LOT
7.5
Good
1,149 reviews

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
United Airlines
7.4
Good
9,092 reviews
LOT
7.5
Good
1,149 reviews

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Turkish Airlines
7.3
Good
4,105 reviews
LOT
7.5
Good
1,149 reviews

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Icelandair
7.0
Good
591 reviews
LOT
7.5
Good
1,149 reviews

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Lufthansa
6.8
Okay
7,635 reviews
LOT
7.5
Good
1,149 reviews

Food

7.1

Boarding

7.6

Entertainment

6.9

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

Related info for your journey

Find useful and relevant information for your journey from Czech Republic 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 Czech Republic to Illinois?

    For as low as $911, TAP AIR PORTUGAL can have you in Illinois from Czech Republic in 13h 20m. The distance between Czech Republic and Illinois is about 4783 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as $491. However, be on the lookout for offers from Icelandair and British Airways, as they are both options that can get you from Czech Republic to Illinois for a low price.

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

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

  • How can I find direct flights from Czech Republic to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Czech Republic 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 Czech Republic to Illinois?

    Currently, April is the cheapest month in which you can book a flight from Czech Republic to Illinois (average of $472). Flying from Czech Republic to Illinois in February is currently the most expensive (average of $983). 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 Czech Republic 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 Czech Republic to Illinois

Discover the top 5 airlines that operate flights from Czech Republic 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$574Average$852FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$595Average$649FlexibilityNo cancel feeOn-time76%
LOTCheapest$601Average$732FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$727Average$907FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$760Average$874FlexibilityNo cancel feeOn-time69%

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