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Czech Republic

$228+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PRG
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
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Cheap 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 February 2, 2026.

This eDestinos deal was found by Cheapflights users on 1/31. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:15 pm
ORD
-
PRG
1 stop31h 25m
Scandinavian Airlines
Sat 4/2510:20 am
PRG
-
ORD
1 stop12h 50m
Scandinavian Airlines
Deal found 1/31$420
This oojo deal was found by Cheapflights users on 1/31. 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.
Sat 4/187:15 pm
ORD
-
PRG
1 stop31h 25m
Scandinavian Airlines
Sat 5/210:20 am
PRG
-
ORD
1 stop12h 50m
Scandinavian Airlines
Deal found 1/31$447
This CrystalTravel deal was found by Cheapflights users on 1/31. 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.
Wed 3/47:20 pm
ORD
-
PRG
1 stop12h 00m
Scandinavian Airlines
Wed 3/1810:25 am
PRG
-
ORD
1 stop13h 20m
Scandinavian Airlines
Deal found 1/31$451
This FlightHub deal was found by Cheapflights users on 1/31. 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.
Mon 4/207:15 pm
ORD
-
PRG
1 stop31h 25m
Scandinavian Airlines
Sun 5/39:30 pm
PRG
-
ORD
1 stop25h 40m
Scandinavian Airlines
Deal found 1/31$456
This oojo deal was found by Cheapflights users on 1/30. 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.
Wed 3/47:20 pm
ORD
-
PRG
1 stop12h 00m
Scandinavian Airlines
Wed 3/1110:25 am
PRG
-
ORD
1 stop13h 20m
Scandinavian Airlines
Deal found 1/30$457
This Booking.com deal was found by Cheapflights users on 2/2. 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.
Mon 3/307:15 pm
ORD
-
PRG
1 stop12h 25m
Scandinavian Airlines
Tue 4/148:55 pm
PRG
-
ORD
1 stop26h 15m
Scandinavian Airlines
Deal found 2/2$462
This Booking.com deal was found by Cheapflights users on 1/31. 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.
Mon 3/27:20 pm
ORD
-
PRG
1 stop12h 00m
Scandinavian Airlines
Wed 3/1810:25 am
PRG
-
ORD
1 stop13h 20m
Scandinavian Airlines
Deal found 1/31$464
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Mon 3/27:20 pm
ORD
-
PRG
1 stop12h 00m
Scandinavian Airlines
Mon 3/910:25 am
PRG
-
ORD
1 stop13h 20m
Scandinavian Airlines
Deal found 1/31$474
This Mytrip deal was found by Cheapflights users on 1/31. 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.
Fri 4/247:15 pm
ORD
-
PRG
1 stop31h 25m
Scandinavian Airlines
Wed 4/298:20 pm
PRG
-
ORD
2 stops50h 50m
Scandinavian Airlines
Deal found 1/31$476
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 4/187:15 pm
ORD
-
PRG
1 stop31h 25m
Scandinavian Airlines
Sun 4/269:30 pm
PRG
-
ORD
1 stop25h 40m
Scandinavian Airlines
Deal found 2/1$477
This oojo deal was found by Cheapflights users on 2/2. 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.
Wed 4/295:21 pm
STL
-
PRG
2 stops16h 44m
British Airways
Fri 5/87:05 am
PRG
-
STL
2 stops16h 36m
British Airways
Deal found 2/2$498
This oojo deal was found by Cheapflights users on 2/2. 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 4/198:53 am
STL
-
PRG
2 stops25h 12m
British Airways
Sun 4/266:50 am
PRG
-
STL
2 stops16h 51m
British Airways
Deal found 2/2$548

Find 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 February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$420
(eDestinos)

One-way from

$228
(oojo)

Popular in

June

Cheapest in

January

Average price

$599
Provider with most accurate pricing for Chicago (CHI)-Václav Havel Prague flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Václav Havel Prague flights.
Search Deals
From Illinois to Czech Republic
Search Deals
One-way flight from Illinois to Czech Republic
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($193 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 2, 2026.
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

Wed 4/29

4:30 pm-3:45 pm

2 stops16h 15m

Václav Havel Prague

Fri 5/8

7:05 am-4:41 pm

2 stops16h 36m

$498

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Fri 4/24

7:15 pm-9:40 am

1 stop31h 25m

Václav Havel Prague

Sun 4/26

9:30 pm-4:10 pm

1 stop25h 40m

$519

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Fri 4/24

7:15 pm-9:40 am

2 stops31h 25m

Václav Havel Prague

Wed 4/29

10:20 am-9:29 pm

2 stops18h 09m

$544

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Sat 3/28

5:30 pm-7:05 pm

1 stop19h 35m

Václav Havel Prague

Fri 4/3

8:35 pm-9:15 pm

1 stop31h 40m

$556

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 4/19

3:30 pm-5:55 pm

1 stop19h 25m

Václav Havel Prague

Sun 4/26

6:10 am-1:25 pm

1 stop14h 15m

$558

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 4/19

6:30 am-10:55 am

2 stops21h 25m

Václav Havel Prague

Sun 4/26

6:10 am-1:25 pm

1 stop14h 15m

$564

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 4/19

3:30 pm-10:45 am

1 stop12h 15m

Václav Havel Prague

Sun 4/26

6:10 am-3:24 pm

2 stops16h 14m

$567

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 4/29

3:30 pm-10:50 am

1 stop12h 20m

Václav Havel Prague

Fri 5/8

6:00 am-1:25 pm

1 stop14h 25m

$582

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Wed 3/4

4:05 pm-5:30 pm

2 stops18h 25m

Václav Havel Prague

Wed 3/11

6:50 am-6:00 pm

2 stops17h 10m

$597

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Tue 4/14

4:08 pm-11:25 pm

2 stops24h 17m

Václav Havel Prague

Tue 4/28

5:45 pm-5:01 pm

2 stops30h 16m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 48 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, December is the cheapest month in which you can book a flight from Illinois to Czech Republic (average of $430). Flying from Illinois to Czech Republic in June is currently the most expensive (average of $878). 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.

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?

    British Airways, Scandinavian Airlines, and Air Serbia can get you from Illinois to Czech Republic in just under 16h 44m. Your travel time can differ by up to 14h 41m. The distance between Illinois and Czech Republic is about 4783 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 Icelandair. According to our data, you can fly for as low as $250. Users have also found prices from $277 and $279 on TAP AIR PORTUGAL and Scandinavian 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, December is the cheapest month in which you can book a flight from Illinois to Czech Republic (average of $430). Flying from Illinois to Czech Republic in June is currently the most expensive (average of $878). 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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$422Average$491FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$453Average$601FlexibilityNo cancel feeOn-time76%
LOTCheapest$514Average$796FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$519Average$716FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$537Average$603FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$574Average$800FlexibilityNo cancel feeOn-time70%
SWISSCheapest$579Average$837FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$605Average$837FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$607Average$783FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$621Average$825FlexibilityNo cancel feeOn-time69%

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