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$293+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PRG
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$564
(StudentUniverse)

One-way from

$293
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$863
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. 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 May 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 May 1, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/174:18 pmSTL - PRG
2 stops19h 27mFinnair
Tue 8/268:10 amPRG - STL
2 stops17h 20mFinnair
Deal found 4/30$564
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/174:00 pmSTL - PRG
1 stop13h 10mUnited Airlines
Tue 8/266:00 amPRG - STL
2 stops21h 00mUnited Airlines
Deal found 4/30$594
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Mon 11/105:18 pmSTL - PRG
2 stops15h 47mLufthansa
Fri 11/287:20 amPRG - STL
1 stop13h 35mLufthansa
Deal found 4/30$627
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Sat 7/199:14 pmORD - PRG
1 stop31h 56mMultiple Airlines
Fri 8/156:20 amPRG - ORD
1 stop12h 50mMultiple Airlines
Deal found 4/30$647
This Booking.com deal was found by Cheapflights users on 5/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/303:35 pmORD - PRG
2 stops17h 25mAir Canada
Wed 8/131:40 pmPRG - ORD
1 stop12h 49mAir Canada
Deal found 5/1$650
This Gurufare deal was found by Cheapflights users on 5/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/147:15 pmORD - PRG
2 stops31h 55mScandinavian Airlines
Thu 8/2810:55 amPRG - ORD
2 stops36h 15mScandinavian Airlines
Deal found 5/1$652
This CrystalTravel deal was found by Cheapflights users on 4/30. 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.
Tue 7/292:20 pmORD - PRG
1 stop11h 45mSWISS
Tue 8/127:10 pmPRG - ORD
1 stop24h 00mSWISS
Deal found 4/30$653
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:00 pmMDW - PRG
2 stops16h 20mDelta
Fri 12/56:00 amPRG - MDW
2 stops19h 36mDelta
Deal found 5/1$653
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1011:00 amORD - PRG
2 stops17h 45mDelta
Tue 9/2311:00 amPRG - ORD
1 stop16h 51mDelta
Deal found 5/1$654
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Tue 7/294:55 pmORD - PRG
1 stop20h 35mBritish Airways
Tue 8/129:10 pmPRG - ORD
1 stop23h 40mBritish Airways
Deal found 4/30$658
This StudentUniverse deal was found by Cheapflights users on 4/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/294:36 pmORD - PRG
2 stops19h 09mFinnair
Tue 8/127:30 pmPRG - ORD
2 stops25h 20mFinnair
Deal found 4/30$666
This Turkish Airlines deal was found by Cheapflights users on 4/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:50 pmORD - PRG
1 stop15h 35mTurkish Airlines
Thu 10/99:20 amPRG - ORD
1 stop31h 20mTurkish Airlines
Deal found 4/30$667

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 May 1, 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 8/17

4:18 pm-6:45 pm

2 stops19h 27m

Václav Havel Prague

Tue 8/26

8:10 am-6:30 pm

2 stops17h 20m

$564

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 8/17

4:00 pm-12:10 pm

1 stop13h 10m

Václav Havel Prague

Tue 8/26

6:00 am-8:00 pm

2 stops21h 00m

$594

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Sat 7/19

9:14 pm-12:10 pm

1 stop31h 56m

Václav Havel Prague

Fri 8/15

6:20 am-12:10 pm

1 stop12h 50m

$647

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Wed 7/30

3:35 pm-4:00 pm

2 stops17h 25m

Václav Havel Prague

Wed 8/13

1:40 pm-7:29 pm

1 stop12h 49m

$650

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Thu 8/14

7:15 pm-10:10 am

2 stops31h 55m

Václav Havel Prague

Thu 8/28

10:55 am-4:10 pm

2 stops36h 15m

$652

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Tue 7/29

2:20 pm-9:05 am

1 stop11h 45m

Václav Havel Prague

Tue 8/12

7:10 pm-12:10 pm

1 stop24h 00m

$653

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Wed 9/10

11:00 am-11:45 am

2 stops17h 45m

Václav Havel Prague

Tue 9/23

11:00 am-8:51 pm

1 stop16h 51m

$654

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Tue 7/29

4:55 pm-8:30 pm

1 stop20h 35m

Václav Havel Prague

Tue 8/12

9:10 pm-1:50 pm

1 stop23h 40m

$658

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Tue 7/29

4:36 pm-6:45 pm

2 stops19h 09m

Václav Havel Prague

Tue 8/12

7:30 pm-1:50 pm

2 stops25h 20m

$666

ChicagoPrague

ORD - PRG

ORDPRG

Chicago O'Hare Intl

Fri 9/26

7:50 pm-6:25 pm

1 stop15h 35m

Václav Havel Prague

Thu 10/9

9:20 am-9:40 am

1 stop31h 20m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 54 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 $1,179). 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 May 1, 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.

Rainfall in Czech Republic by month

Plan your trip to Czech Republic by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Czech Republic ranges from 0.4 - 2.4 inches per month. June is typically the wettest month, when rainfall can reach 2.4 in. February is typically the driest time to visit Czech Republic when rainfall is around 0.4 in.

Temperature in Czech Republic by month

Plan your trip to Czech Republic by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Czech Republic, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Czech Republic

Get insights into the airlines that provide service to Czech Republic. 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 Czech Republic. Reviews last updated May 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and LOT from Illinois to Czech Republic to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $307. Users have also found prices from $309 and $326 on Icelandair and Turkish 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 $1,179). 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.
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$397Average$544FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$454Average$483FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$515Average$588FlexibilityNo cancel feeOn-time77%
LOTCheapest$529Average$793FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$537Average$716FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$548Average$758FlexibilityNo cancel feeOn-time71%
SWISSCheapest$548Average$940FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$581Average$839FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$583Average$793FlexibilityNo cancel feeOn-time78%
KLMCheapest$587Average$805FlexibilityNo cancel feeOn-time75%

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