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$215+ Cheap flights from Illinois to the Czech Republic

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PRG
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Illinois to Czech Republic

Keep the following information in mind while searching for Illinois to Czech Republic flight deals. Data was last updated September 16, 2025.

Round-trip from

$506
(Flightnetwork)

One-way from

$215
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$688
From Illinois to Czech Republic
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One-way flight from Illinois to Czech Republic
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Highest demand for flights based on searches. 20% potential increase in price ($186 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Illinois to Czech Republic

Cheapest flights from Illinois to Czech Republic
Explore the most affordable flight options available from Illinois to Czech Republic. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Flightnetwork deal was found by Cheapflights users on 9/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:15 amSTL - PRG
2 stops23h 45mAir Canada
Tue 11/411:50 amPRG - STL
2 stops34h 39mAir Canada
Deal found 9/14$506
This CrystalTravel deal was found by Cheapflights users on 9/16. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:50 pmORD - PRG
1 stop12h 05mMultiple Airlines
Wed 12/36:15 amPRG - ORD
2 stops13h 55mMultiple Airlines
Deal found 9/16$515
This Billigflug deal was found by Cheapflights users on 9/14. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/193:30 pmSTL - PRG
1 stop19h 20mMultiple Airlines
Tue 11/43:05 pmPRG - STL
2 stops15h 39mMultiple Airlines
Deal found 9/14$516
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:50 pmORD - PRG
2 stops16h 00mMultiple Airlines
Wed 11/510:00 amPRG - ORD
2 stops16h 30mMultiple Airlines
Deal found 9/16$524
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:50 pmORD - PRG
2 stops15h 00mMultiple Airlines
Thu 11/276:15 amPRG - ORD
2 stops13h 55mMultiple Airlines
Deal found 9/15$525
This Orbitz deal was found by Cheapflights users on 9/16. 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.
Sun 11/2312:50 pmORD - PRG
2 stops15h 00mAir Canada
Wed 12/37:30 amPRG - ORD
2 stops14h 25mAir Canada
Deal found 9/16$529
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:50 pmORD - PRG
2 stops17h 15mAir Canada
Thu 11/277:35 amPRG - ORD
2 stops16h 17mAir Canada
Deal found 9/15$530
This Billigflug deal was found by Cheapflights users on 9/14. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/193:30 pmSTL - PRG
1 stop19h 20mLufthansa
Tue 11/43:05 pmPRG - STL
1 stop29h 50mLufthansa
Deal found 9/14$532
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:20 pmORD - PRG
1 stop16h 20mScandinavian Airlines
Fri 11/149:05 pmPRG - ORD
2 stops31h 22mScandinavian Airlines
Deal found 9/15$534
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:55 pmORD - PRG
2 stops14h 10mAir Canada
Thu 11/277:35 amPRG - ORD
2 stops18h 55mAir Canada
Deal found 9/15$536
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:40 pmORD - PRG
1 stop11h 20mLufthansa
Tue 10/212:30 pmPRG - ORD
1 stop12h 25mLufthansa
Deal found 9/16$538
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:15 amORD - PRG
2 stops18h 30mAir Canada
Mon 11/1711:50 amPRG - ORD
2 stops34h 05mAir Canada
Deal found 9/15$540

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Czech Republic 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 September 16, 2025.
Use the filters below to find and compare flights from Illinois to the Czech Republic that are best for you.

Fly from

Illinois

Fly to

Czech Republic

Route

Depart

Return

Price

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/19

9:15 am-4:00 pm

2 stops23h 45m

Václav Havel Prague

Tue 11/4

11:50 am-3:29 pm

2 stops34h 39m

$506

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/19

3:30 pm-9:40 am

1 stop11h 10m

Václav Havel Prague

Tue 11/4

11:50 am-11:44 pm

2 stops18h 54m

$534

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 12/2

4:05 pm-8:45 am

2 stops33h 40m

Václav Havel Prague

Tue 12/23

7:25 am-3:29 pm

2 stops39h 04m

$534

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Tue 11/18

6:50 pm-1:55 pm

1 stop12h 05m

Václav Havel Prague

Fri 11/28

6:45 am-4:20 pm

1 stop16h 35m

$543

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/19

3:30 pm-5:50 pm

1 stop19h 20m

Václav Havel Prague

Tue 11/4

3:05 pm-1:55 pm

1 stop29h 50m

$547

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Sat 11/8

6:20 pm-5:05 pm

2 stops15h 45m

Václav Havel Prague

Fri 11/21

6:30 am-6:13 pm

2 stops18h 43m

$552

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Fri 10/31

4:43 pm-10:25 pm

2 stops23h 42m

Václav Havel Prague

Fri 11/7

7:35 am-1:55 pm

1 stop13h 20m

$578

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Tue 10/14

6:00 pm-4:00 pm

1 stop15h 00m

Václav Havel Prague

Wed 10/22

6:00 am-8:17 pm

2 stops21h 17m

$578

ChicagoPrague

MDW - PRG

MDWPRG

Chicago Midway

Sun 3/1

1:00 pm-8:25 am

2 stops12h 25m

Václav Havel Prague

Wed 3/11

6:30 am-6:34 pm

2 stops18h 04m

$578

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Mon 10/13

6:00 pm-4:00 pm

1 stop15h 00m

Václav Havel Prague

Wed 10/22

2:30 pm-7:55 pm

1 stop12h 25m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 52 results
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Best time to book a flight from Illinois to Czech Republic

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Czech Republic (average of $651). Flying from Illinois to Czech Republic in June is currently the most expensive (average of $1,119). 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 IL to CZ?

Find hourly flight availability from Illinois to Czech Republic. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Czech Republic as you normally would.

Related info for your journey

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

    Air Canada, SWISS, and Lufthansa can get you from Illinois to Czech Republic in just under 12h 05m. Your travel time can differ by up to 11h 40m. The distance between Illinois and Czech Republic is about 4531 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $386. Users have also found prices from $427 and $430 on American Airlines and United Airlines, respectively.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Czech Republic (average of $651). Flying from Illinois to Czech Republic in June is currently the most expensive (average of $1,119). 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

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Alternative routes for Illinois to Czech Republic

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Czech Republic

Discover the top 10 airlines that operate flights from Illinois to Czech Republic. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$395Average$591FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$409Average$477FlexibilityNo cancel feeOn-time77%
LOTCheapest$468Average$723FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$516Average$592FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$537Average$726FlexibilityNo cancel feeOn-time70%
DeltaCheapest$579Average$860FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$595Average$846FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$600Average$783FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$603Average$909FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$605Average$848FlexibilityNo cancel feeOn-timeN/A

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