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Prague

$262+ Cheap flights from Illinois to Prague (PRG)

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

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

This United Airlines deal was found by Cheapflights users on 12/18. 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.
Fri 12/199:50 pmORD - PRG
1 stop11h 15mUnited Airlines
Thu 12/253:10 pmPRG - ORD
1 stop11h 55mUnited Airlines
Deal found 12/18$763
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Fri 12/196:21 pmORD - PRG
2 stops14h 44mUnited Airlines
Wed 12/243:10 pmPRG - ORD
1 stop11h 55mUnited Airlines
Deal found 12/18$767
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sat 12/205:50 pmORD - PRG
2 stops15h 15mUnited Airlines
Wed 12/243:10 pmPRG - ORD
1 stop11h 55mUnited Airlines
Deal found 12/18$775
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:25 pmORD - PRG
1 stop21h 00mUnited Airlines
Thu 12/253:10 pmPRG - ORD
1 stop11h 55mUnited Airlines
Deal found 12/17$776
This United Airlines deal was found by Cheapflights users on 12/18. 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 12/2112:50 pmORD - PRG
2 stops14h 00mUnited Airlines
Fri 12/267:35 amPRG - ORD
1 stop14h 45mUnited Airlines
Deal found 12/18$779
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:25 pmORD - PRG
1 stop21h 00mMultiple Airlines
Thu 12/2510:00 amPRG - ORD
2 stops17h 10mMultiple Airlines
Deal found 12/17$782
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:25 pmORD - PRG
1 stop21h 00mUnited Airlines
Mon 12/2211:50 amPRG - ORD
2 stops18h 54mUnited Airlines
Deal found 12/17$786
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.
Tue 12/236:35 pmORD - PRG
2 stops31h 10mMultiple Airlines
Sat 12/2710:30 amPRG - ORD
1 stop11h 50mMultiple Airlines
Deal found 12/17$805
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 pmORD - PRG
2 stops55h 30mSWISS
Thu 1/86:45 amPRG - ORD
2 stops38h 25mSWISS
Deal found 12/15$810
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:05 pmORD - PRG
2 stops18h 20mUnited Airlines
Fri 1/96:50 amPRG - ORD
2 stops17h 06mUnited Airlines
Deal found 12/15$811
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 pmORD - PRG
2 stops55h 30mSWISS
Wed 1/72:50 pmPRG - ORD
2 stops29h 55mSWISS
Deal found 12/15$819
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.
Sun 12/286:08 pmMDW - PRG
2 stops15h 57mDelta
Thu 1/86:00 amPRG - MDW
2 stops18h 34mDelta
Deal found 12/15$1,368

Find flight deals from Illinois to Prague

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$492
(oojo)

One-way from

$262
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$664
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 Václav Havel Prague
Search Deals
One-way flight from Illinois to Václav Havel Prague
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($192 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 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 Illinois to Prague 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 Illinois to Prague that are best for you.

Fly from

Illinois

Fly to

Prague

Route

Depart

Return

Price

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 4/20

2:19 pm-5:00 pm

2 stops19h 41m

Václav Havel Prague

Mon 4/27

8:55 pm-7:30 pm

1 stop29h 35m

$492

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 4/22

10:00 pm-11:05 pm

1 stop18h 05m

Václav Havel Prague

Wed 4/29

12:55 pm-7:30 pm

1 stop13h 35m

$496

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 4/21

10:00 pm-9:15 am

1 stop28h 15m

Václav Havel Prague

Mon 4/27

8:55 pm-7:30 pm

1 stop29h 35m

$496

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 4/21

10:00 pm-9:15 am

1 stop28h 15m

Václav Havel Prague

Wed 4/29

12:55 pm-7:30 pm

1 stop13h 35m

$496

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 4/21

10:00 pm-9:15 am

1 stop28h 15m

Václav Havel Prague

Tue 4/28

10:20 am-7:30 pm

1 stop16h 10m

$496

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 4/19

7:20 am-10:55 am

2 stops20h 35m

Václav Havel Prague

Wed 4/29

2:30 pm-4:49 pm

2 stops33h 19m

$507

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 4/22

2:18 pm-3:00 pm

2 stops17h 42m

Václav Havel Prague

Tue 4/28

2:30 pm-3:58 pm

2 stops32h 28m

$507

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 4/20

2:18 pm-3:00 pm

2 stops17h 42m

Václav Havel Prague

Tue 4/28

2:30 pm-10:45 am

2 stops27h 15m

$507

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Fri 1/30

3:50 pm-2:05 pm

1 stop15h 15m

Václav Havel Prague

Tue 2/3

7:25 am-3:15 pm

2 stops38h 50m

$513

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Fri 2/6

9:57 am-2:05 pm

2 stops21h 08m

Václav Havel Prague

Tue 2/10

7:25 am-10:58 pm

2 stops22h 33m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

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

Have a flexible travel schedule? Discover the best time to fly to Prague 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 Prague

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Prague (average of $426). Flying from Illinois to Prague in June is currently the most expensive (average of $896). 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 PRG?

Find hourly flight availability from Illinois to Prague. 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.

One of the essential ways to save on airfare from Illinois to Prague is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

What is the cheapest day to fly from Illinois to Prague?

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

Travelers seeking maximum savings on their Illinois to Prague 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 Prague. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Prague from Illinois?

    Located just 6.9 mi from the city center, Václav Havel Prague (PRG) is the airport most travelers will use when flying to Prague from Illinois.

  • How long is the flight from Illinois to Prague?

    Airlines like British Airways, Delta, and Scandinavian Airlines fly from Illinois to Prague in about 16h 34m. The time it takes to get you to your destination can typically vary by up to 2h 21m. The distance from Illinois to Prague 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 Prague one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $250. TAP AIR PORTUGAL flights start at $277 while deals on Scandinavian Airlines start at $279 one-way.

  • What are the most popular routes from Illinois to Prague?

    The most popular route from Illinois to Prague is Chicago O'Hare Intl - Václav Havel Prague. You may also consider Chicago Midway - Václav Havel Prague or Lambert-St Louis - Václav Havel Prague.

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

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

  • How can I find direct flights from Illinois to Prague?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Prague 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 Prague?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Prague (average of $426). Flying from Illinois to Prague in June is currently the most expensive (average of $896). 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 Prague

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 Prague

Discover the top 10 airlines that operate flights from Illinois to Prague. 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
Scandinavian AirlinesCheapest$421Average$486FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$453Average$606FlexibilityNo cancel feeOn-time76%
LOTCheapest$468Average$698FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$518Average$592FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$519Average$718FlexibilityNo cancel feeOn-time76%
SWISSCheapest$579Average$838FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$600Average$816FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$605Average$837FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$607Average$801FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$625Average$883FlexibilityNo cancel feeOn-time69%

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