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$279+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — WAW
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Illinois to Warsaw

Keep the following information in mind while searching for Illinois to Warsaw flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$511
(Cheapflightsfares)

One-way from

$279
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$711
From Illinois to Warsaw
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One-way flight from Illinois to Warsaw
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Highest demand for flights based on searches. 19% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
mar. 9/304:20 pmORD - WAW
1 stop14h 55mAustrian Airlines
vie. 10/248:25 amWAW - ORD
1 stop11h 55mAustrian Airlines
Deal found 9/15$513
This United Airlines deal was found by Cheapflights users on 9/13. 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.
dom. 10/193:35 pmORD - WAW
1 stop13h 55mUnited Airlines
vie. 11/76:30 amWAW - ORD
2 stops24h 13mUnited Airlines
Deal found 9/13$515
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/198:40 amORD - WAW
2 stops21h 55mAir Canada
jue. 11/66:30 amWAW - ORD
2 stops20h 00mAir Canada
Deal found 9/13$516
This LOT deal was found by Cheapflights users on 9/14. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/205:10 pmORD - WAW
Nonstop9h 10mLOT
mar. 11/114:40 pmWAW - ORD
Nonstop10h 20mLOT
Deal found 9/14$517
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/241:55 pmSTL - WAW
2 stops17h 25mScandinavian Airlines
jue. 12/47:45 pmWAW - STL
2 stops32h 18mScandinavian Airlines
Deal found 9/15$517
This deal was found by Cheapflights users on 9/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/139:15 pmORD - WAW
1 stop13h 35mBritish Airways
jue. 11/67:00 amWAW - ORD
1 stop13h 50mBritish Airways
Deal found 9/13$518
This Justfly.com deal was found by Cheapflights users on 9/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/3010:15 amORD - WAW
2 stops21h 05mScandinavian Airlines
vie. 11/288:00 amWAW - ORD
1 stop15h 45mScandinavian Airlines
Deal found 9/14$519
This Gotogate deal was found by Cheapflights users on 9/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/297:11 amORD - WAW
2 stops18h 49mMultiple Airlines
lun. 10/137:40 pmWAW - ORD
1 stop27h 15mMultiple Airlines
Deal found 9/12$520
This oojo deal was found by Cheapflights users on 9/13. 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.
mar. 10/219:40 pmORD - WAW
Nonstop9h 10mLOT
dom. 10/264:40 pmWAW - ORD
Nonstop10h 20mLOT
Deal found 9/13$521
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 11/2510:00 amORD - WAW
2 stops20h 50mUnited Airlines
lun. 12/12:35 pmWAW - ORD
2 stops31h 20mUnited Airlines
Deal found 9/15$523
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
mié. 10/110:30 pmORD - WAW
1 stop12h 45mLufthansa
mar. 10/146:00 amWAW - ORD
1 stop13h 30mLufthansa
Deal found 9/12$524
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/66:36 pmORD - WAW
2 stops16h 14mAmerican Airlines
jue. 10/167:55 amWAW - ORD
2 stops21h 44mAmerican Airlines
Deal found 9/14$525

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 septiembre 15, 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

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

lun. 11/24

1:55 pm-2:20 pm

2 stops17h 25m

Warsaw Frederic Chopin

mié. 12/3

7:45 pm-9:03 pm

2 stops32h 18m

$517

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

lun. 10/20

7:10 pm-9:35 am

2 stops31h 25m

Warsaw Frederic Chopin

lun. 10/27

4:55 pm-9:05 pm

2 stops58h 10m

$526

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

mié. 10/1

2:39 pm-10:00 pm

2 stops24h 21m

Warsaw Frederic Chopin

mié. 10/22

6:00 am-2:05 pm

1 stop15h 05m

$530

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

jue. 10/23

9:40 pm-10:00 pm

1 stop17h 20m

Warsaw Frederic Chopin

lun. 11/10

1:35 pm-7:30 pm

2 stops36h 55m

$532

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

vie. 10/17

7:15 pm-9:25 pm

1 stop19h 10m

Warsaw Frederic Chopin

lun. 10/20

6:45 pm-1:50 pm

1 stop26h 05m

$533

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

mié. 10/22

6:00 am-6:25 pm

2 stops29h 25m

Warsaw Frederic Chopin

mar. 11/4

6:35 am-6:25 pm

2 stops18h 50m

$534

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

mar. 10/21

6:23 pm-6:25 pm

2 stops17h 02m

Warsaw Frederic Chopin

mar. 11/4

6:35 am-6:25 pm

2 stops18h 50m

$534

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

jue. 10/16

9:40 pm-4:15 pm

1 stop11h 35m

Warsaw Frederic Chopin

jue. 11/6

6:30 am-11:43 pm

2 stops24h 13m

$534

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

lun. 10/20

1:17 pm-1:30 pm

2 stops17h 13m

Warsaw Frederic Chopin

lun. 10/27

1:35 pm-3:10 pm

1 stop31h 35m

$534

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

dom. 10/26

6:59 pm-4:30 pm

2 stops15h 31m

Warsaw Frederic Chopin

lun. 11/10

1:05 pm-3:10 pm

1 stop33h 05m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, January is the cheapest month in which you can book a flight from Illinois to Warsaw (average of $576). Flying from Illinois to Warsaw in June is currently the most expensive (average of $1,019). 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 septiembre 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Warsaw as you normally would.

Weekly flight availability from Illinois to Warsaw

Explore weekly flight availability from Illinois to Warsaw. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 15, 2025.

The most flights from USIL to WA1 are scheduled on a Sunday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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 $517, Scandinavian Airlines can have you in Warsaw from Illinois in 17h 25m. The distance from Illinois to Warsaw is about 4924 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $428. While the most popular route (Chicago O'Hare Intl - Warsaw Frederic Chopin) can be booked for $389 on average, our data indicates $1,882 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, January is the cheapest month in which you can book a flight from Illinois to Warsaw (average of $576). Flying from Illinois to Warsaw in June is currently the most expensive (average of $1,019). 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$430Average$606FlexibilityNo cancel feeOn-time77%
SWISSCheapest$466Average$695FlexibilityNo cancel feeOn-time79%
FinnairCheapest$484Average$654FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$509Average$609FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$516Average$674FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$520Average$672FlexibilityNo cancel feeOn-time71%
KLMCheapest$539Average$735FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$539Average$727FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$551Average$726FlexibilityNo cancel feeOn-time76%
LOTCheapest$558Average$814FlexibilityNo cancel feeOn-time81%

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