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Warsaw

$252+ Cheap flights from Illinois to Warsaw

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — WAW
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Illinois to Warsaw

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

This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - WAW
1 stop17h 40mMultiple Airlines
Wed 2/116:30 amWAW - ORD
1 stop12h 40mMultiple Airlines
Deal found 12/14$551
This CrystalTravel 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - WAW
1 stop17h 40mLufthansa
Wed 1/146:05 amWAW - ORD
1 stop19h 20mLufthansa
Deal found 12/15$556
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:10 pmORD - WAW
1 stop19h 45mMultiple Airlines
Thu 2/126:30 amWAW - ORD
1 stop12h 40mMultiple Airlines
Deal found 12/14$564
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:10 pmORD - WAW
1 stop14h 35mMultiple Airlines
Mon 2/96:30 amWAW - ORD
1 stop12h 40mMultiple Airlines
Deal found 12/14$565
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:10 pmORD - WAW
1 stop14h 35mSWISS
Thu 1/297:45 pmWAW - ORD
1 stop27h 35mSWISS
Deal found 12/15$569
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:10 pmORD - WAW
1 stop14h 35mSWISS
Sat 2/79:50 amWAW - ORD
1 stop13h 30mSWISS
Deal found 12/14$570
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:10 pmORD - WAW
1 stop14h 35mSWISS
Sun 2/157:45 pmWAW - ORD
1 stop27h 35mSWISS
Deal found 12/15$571
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 pmORD - WAW
1 stop11h 55mLufthansa
Mon 2/99:15 amWAW - ORD
1 stop13h 05mLufthansa
Deal found 12/15$574
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:10 pmORD - WAW
1 stop14h 35mMultiple Airlines
Mon 2/26:05 pmWAW - ORD
1 stop25h 05mMultiple Airlines
Deal found 12/15$577
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 pmORD - WAW
1 stop17h 40mMultiple Airlines
Wed 1/146:05 amWAW - ORD
2 stops18h 43mMultiple Airlines
Deal found 12/15$578
This KAYAK deal was found by Cheapflights users on 12/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:45 pmORD - WAW
1 stop16h 45mBritish Airways
Tue 2/107:35 pmWAW - ORD
1 stop25h 15mBritish Airways
Deal found 12/14$582
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 pmORD - WAW
1 stop21h 30mUnited Airlines
Tue 2/106:30 amWAW - ORD
1 stop15h 50mUnited Airlines
Deal found 12/14$584

Find flight deals from Illinois to Warsaw

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

Round-trip from

$528
(Cheapflightsfares)

One-way from

$252
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$787
From Illinois to Warsaw
Search Deals
One-way flight from Illinois to Warsaw
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 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 Warsaw 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 16, 2025.
Use the filters below to find and compare flights from Illinois to Warsaw that are best for you.

Fly from

Illinois

Fly to

Warsaw

Route

Depart

Return

Price

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 2/24

7:05 am-7:05 pm

2 stops29h 00m

Warsaw Frederic Chopin

Sat 2/28

7:45 pm-4:45 pm

1 stop28h 00m

$532

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 4/14

5:10 pm-11:55 am

1 stop11h 45m

Warsaw Frederic Chopin

Sun 5/3

12:25 pm-2:30 pm

1 stop33h 05m

$534

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 4/14

5:10 pm-4:05 pm

1 stop15h 55m

Warsaw Frederic Chopin

Sat 5/2

12:25 pm-2:15 pm

1 stop32h 50m

$534

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Thu 4/23

9:40 pm-10:05 pm

1 stop17h 25m

Warsaw Frederic Chopin

Thu 4/30

6:40 am-12:55 pm

1 stop13h 15m

$535

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Thu 1/29

5:04 pm-5:25 pm

2 stops17h 21m

Warsaw Frederic Chopin

Sat 2/7

1:00 pm-9:15 pm

2 stops39h 15m

$535

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Mon 4/13

9:30 pm-6:00 pm

1 stop13h 30m

Warsaw Frederic Chopin

Mon 5/18

9:15 pm-1:50 pm

2 stops23h 35m

$536

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Sun 4/19

3:35 pm-6:25 pm

2 stops19h 50m

Warsaw Frederic Chopin

Sat 5/2

12:25 pm-2:15 pm

1 stop32h 50m

$538

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

Sun 4/5

1:09 pm-11:55 am

2 stops15h 46m

Warsaw Frederic Chopin

Mon 4/13

6:00 am-4:25 pm

2 stops17h 25m

$548

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

Thu 1/29

9:33 am-12:05 pm

2 stops19h 32m

Warsaw Frederic Chopin

Thu 2/5

6:05 am-5:29 pm

2 stops18h 24m

$549

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

Tue 1/13

1:28 pm-12:05 pm

2 stops15h 37m

Warsaw Frederic Chopin

Mon 1/26

6:05 am-5:29 pm

2 stops18h 24m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 59 results
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Best time to book a flight from Illinois to Warsaw

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

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

Currently, December is the cheapest month in which you can book a flight from Illinois to Warsaw (average of $428). Flying from Illinois to Warsaw in June is currently the most expensive (average of $655). 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 WAW?

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

When flying from Illinois to Warsaw, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 48% versus a flight at noon.

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

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

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

How much does it cost to fly round-trip from Illinois to Warsaw?

Related info for your journey

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

    For as low as $534, Scandinavian Airlines can have you in Warsaw from Illinois in 11h 45m. The distance from Illinois to Warsaw is about 4669 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 Warsaw one-way?

    The cheapest airlines for a one-way flight from Illinois to Warsaw are TAP AIR PORTUGAL ($213), Scandinavian Airlines ($243), and SWISS ($319).

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

    While some choose either Chicago Midway - Warsaw Frederic Chopin or Chicago O'Hare Intl - Warsaw Modlin, Chicago O'Hare Intl - Warsaw Frederic Chopin is the most popular route from Illinois to Warsaw.

  • What are the cheapest flights from Illinois to Warsaw?

    Looking at all options, your cheapest flight can be booked for $470. While the most popular route (Chicago O'Hare Intl - Warsaw Frederic Chopin) can be booked for $434 on average, our data indicates $1,479 when flying from Illinois to Warsaw.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Illinois to Warsaw (average of $428). Flying from Illinois to Warsaw in June is currently the most expensive (average of $655). 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 Warsaw

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 Warsaw

Discover the top 10 airlines that operate flights from Illinois to Warsaw. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$425Average$583FlexibilityNo cancel feeOn-time77%
FinnairCheapest$494Average$645FlexibilityNo cancel feeOn-time76%
SWISSCheapest$495Average$706FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$506Average$604FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$509Average$654FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$531Average$666FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$534Average$700FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$539Average$742FlexibilityNo cancel feeOn-time69%
LOTCheapest$553Average$816FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$562Average$747FlexibilityNo cancel feeOn-time78%

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