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$246+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PRG
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$498
(FlightHub)

One-way from

$246
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$611
Provider with most accurate pricing for Chicago (CHI)-Václav Havel Prague flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Václav Havel Prague flights.
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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. 21% potential increase in price ($191 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 October 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 octubre 30, 2025.

This Booking.com deal was found by Cheapflights users on 10/29. 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.
mié. 12/1010:35 pmORD - PRG
1 stop12h 30mLufthansa
mié. 12/1712:10 pmPRG - ORD
1 stop14h 55mLufthansa
Deal found 10/29$501
This CrystalTravel deal was found by Cheapflights users on 10/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1010:35 pmORD - PRG
1 stop12h 30mLufthansa
dom. 12/1412:10 pmPRG - ORD
1 stop14h 55mLufthansa
Deal found 10/30$503
This United Airlines deal was found by Cheapflights users on 10/29. 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.
mié. 11/193:20 pmORD - PRG
1 stop12h 45mMultiple Airlines
mié. 12/33:10 pmPRG - ORD
1 stop11h 55mMultiple Airlines
Deal found 10/29$504
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 10/296:20 pmORD - PRG
2 stops15h 45mUnited Airlines
mar. 11/43:05 pmPRG - ORD
2 stops15h 29mUnited Airlines
Deal found 10/28$505
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/611:50 amORD - PRG
1 stop23h 10mTurkish Airlines
jue. 11/202:45 pmPRG - ORD
1 stop26h 20mTurkish Airlines
Deal found 10/30$506
This Delta deal was found by Cheapflights users on 10/28. 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. 11/44:56 pmORD - PRG
2 stops17h 09mDelta
mié. 11/196:00 amPRG - ORD
2 stops17h 24mDelta
Deal found 10/28$507
This Delta deal was found by Cheapflights users on 10/28. 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. 11/46:23 pmMDW - PRG
2 stops15h 42mDelta
mié. 11/196:00 amPRG - MDW
2 stops19h 18mDelta
Deal found 10/28$507
This KLM deal was found by Cheapflights users on 10/27. 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.
mié. 12/104:25 pmORD - PRG
1 stop14h 20mKLM
mar. 12/166:00 amPRG - ORD
2 stops17h 57mKLM
Deal found 10/27$508
This United Airlines deal was found by Cheapflights users on 10/29. 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.
mié. 11/53:00 pmORD - PRG
2 stops16h 05mUnited Airlines
mié. 11/127:30 amPRG - ORD
2 stops14h 25mUnited Airlines
Deal found 10/29$509
This United Airlines deal was found by Cheapflights users on 10/29. 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.
mar. 12/26:15 pmORD - PRG
2 stops12h 50mUnited Airlines
mar. 12/161:45 pmPRG - ORD
1 stop11h 40mUnited Airlines
Deal found 10/29$510
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/306:50 pmORD - PRG
1 stop12h 05mMultiple Airlines
dom. 12/143:00 pmPRG - ORD
1 stop12h 05mMultiple Airlines
Deal found 10/30$511
This CrystalTravel deal was found by Cheapflights users on 10/27. 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.
jue. 11/69:50 pmORD - PRG
1 stop11h 15mLufthansa
mié. 11/123:10 pmPRG - ORD
1 stop11h 55mLufthansa
Deal found 10/27$512

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 octubre 30, 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

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

mar. 12/2

7:00 am-8:25 am

2 stops18h 25m

Václav Havel Prague

vie. 12/12

6:00 am-2:20 pm

1 stop15h 20m

$503

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

mié. 1/7

11:05 am-1:05 pm

2 stops19h 00m

Václav Havel Prague

jue. 1/15

7:35 am-9:13 am

2 stops32h 38m

$503

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

sáb. 3/21

8:20 pm-2:20 pm

1 stop12h 00m

Václav Havel Prague

mié. 3/25

10:25 am-5:45 pm

1 stop13h 20m

$506

ChicagoPrague

MDW - PRG

MDWPRG

Chicago Midway

mié. 11/12

1:15 pm-11:40 am

2 stops15h 25m

Václav Havel Prague

mié. 11/19

8:55 am-6:18 pm

2 stops16h 23m

$507

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

dom. 11/30

4:25 pm-8:25 am

1 stop33h 00m

Václav Havel Prague

mar. 12/16

11:35 am-8:35 pm

2 stops16h 00m

$509

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

mié. 12/10

4:25 pm-1:45 pm

1 stop14h 20m

Václav Havel Prague

mar. 12/16

2:30 pm-8:39 am

2 stops25h 09m

$509

ChicagoPrague

MDW - PRG

MDWPRG

Chicago Midway

mar. 11/18

1:15 pm-8:25 am

2 stops12h 10m

Václav Havel Prague

jue. 11/27

2:30 pm-11:40 pm

2 stops16h 10m

$513

ChicagoPrague

MDW - PRG

MDWPRG

Chicago Midway

lun. 12/1

1:15 pm-5:35 pm

2 stops21h 20m

Václav Havel Prague

mar. 12/16

11:35 am-11:47 pm

2 stops19h 12m

$513

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

lun. 12/1

9:50 pm-4:05 pm

1 stop11h 15m

Václav Havel Prague

dom. 12/14

12:10 pm-8:05 pm

1 stop14h 55m

$516

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

dom. 11/30

6:50 pm-1:55 pm

1 stop12h 05m

Václav Havel Prague

dom. 12/14

3:00 pm-8:05 pm

1 stop12h 05m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 55 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, February is the cheapest month in which you can book a flight from Illinois to Czech Republic (average of $431). Flying from Illinois to Czech Republic in June is currently the most expensive (average of $875). 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 octubre 30, 2025.

When flying from Illinois to Czech Republic, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight in the morning.

What is the cheapest day to fly from Illinois to Czech Republic?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Czech Republic. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Czech Republic flight should consider departing on Sunday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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?

    Delta, United Airlines, and Scandinavian Airlines can get you from Illinois to Czech Republic in just under 12h. Your travel time can differ by up to 7h. 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 $271. Users have also found prices from $432 and $452 on Lufthansa 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, February is the cheapest month in which you can book a flight from Illinois to Czech Republic (average of $431). Flying from Illinois to Czech Republic in June is currently the most expensive (average of $875). 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 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$420Average$490FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$453Average$630FlexibilityNo cancel feeOn-time76%
LOTCheapest$468Average$710FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$516Average$591FlexibilityNo cancel feeOn-time77%
DeltaCheapest$576Average$860FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$579Average$846FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$579Average$735FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$593Average$812FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$605Average$838FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$617Average$892FlexibilityNo cancel feeOn-time69%

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