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$375+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — WAW
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$601
(StudentUniverse)

One-way from

$375
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$886
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. 21% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 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 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 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.
Sat 8/164:18 pmSTL - WAW
2 stops21h 07mFinnair
Mon 8/259:15 pmWAW - STL
2 stops28h 15mFinnair
Deal found 4/30$601
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:30 pmSTL - WAW
2 stops19h 45mAir Canada
Fri 8/226:25 amWAW - STL
2 stops20h 35mAir Canada
Deal found 4/30$602
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:15 pmORD - WAW
1 stop17h 10mAmerican Airlines
Sun 9/2811:45 amWAW - ORD
2 stops16h 40mAmerican Airlines
Deal found 4/30$604
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/173:30 pmSTL - WAW
1 stop15h 05mMultiple Airlines
Tue 8/266:35 amWAW - STL
2 stops20h 25mMultiple Airlines
Deal found 4/30$604
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.
Wed 8/133:30 pmSTL - WAW
1 stop15h 05mUnited Airlines
Tue 8/266:35 amWAW - STL
2 stops20h 25mUnited Airlines
Deal found 4/30$605
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/249:40 pmORD - WAW
1 stop17h 20mUnited Airlines
Wed 8/132:20 pmWAW - ORD
2 stops16h 10mUnited Airlines
Deal found 5/1$606
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/59:19 amMDW - WAW
2 stops23h 46mDelta
Tue 9/212:45 pmWAW - MDW
2 stops26h 55mDelta
Deal found 4/30$607
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/27:05 pmORD - WAW
1 stop12h 05mSWISS
Sun 8/242:55 pmWAW - ORD
1 stop32h 00mSWISS
Deal found 5/1$608
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/217:00 amORD - WAW
2 stops22h 10mScandinavian Airlines
Sun 9/287:35 pmWAW - ORD
1 stop27h 35mScandinavian Airlines
Deal found 5/1$609
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/32:20 pmORD - WAW
1 stop16h 50mMultiple Airlines
Tue 6/109:40 amWAW - ORD
2 stops30h 30mMultiple Airlines
Deal found 5/1$613
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.
Tue 8/199:40 pmORD - WAW
Nonstop9h 10mLOT
Tue 9/1612:10 pmWAW - ORD
Nonstop10h 00mLOT
Deal found 5/1$616
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/183:30 pmSTL - WAW
2 stops22h 20mScandinavian Airlines
Wed 8/278:25 amWAW - STL
2 stops22h 14mScandinavian Airlines
Deal found 4/30$619

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 May 1, 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

Sat 8/16

4:18 pm-8:25 pm

2 stops21h 07m

Warsaw Frederic Chopin

Mon 8/25

9:15 pm-6:30 pm

2 stops28h 15m

$601

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 8/13

1:30 pm-4:15 pm

2 stops19h 45m

Warsaw Frederic Chopin

Fri 8/22

6:25 am-8:00 pm

2 stops20h 35m

$602

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Fri 9/12

9:15 pm-9:25 pm

1 stop17h 10m

Warsaw Frederic Chopin

Sun 9/28

11:45 am-9:25 pm

2 stops16h 40m

$604

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sun 8/17

3:30 pm-1:35 pm

1 stop15h 05m

Warsaw Frederic Chopin

Tue 8/26

6:35 am-8:00 pm

2 stops20h 25m

$604

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 8/13

3:30 pm-1:35 pm

1 stop15h 05m

Warsaw Frederic Chopin

Tue 8/26

6:35 am-8:00 pm

2 stops20h 25m

$605

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Thu 7/24

9:40 pm-10:00 pm

1 stop17h 20m

Warsaw Frederic Chopin

Wed 8/13

2:20 pm-11:30 pm

2 stops16h 10m

$606

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

Tue 8/5

9:19 am-4:05 pm

2 stops23h 46m

Warsaw Frederic Chopin

Tue 9/2

12:45 pm-8:40 am

2 stops26h 55m

$607

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Sat 8/2

7:05 pm-2:10 pm

1 stop12h 05m

Warsaw Frederic Chopin

Sun 8/24

2:55 pm-3:55 pm

1 stop32h 00m

$608

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Thu 8/21

7:00 am-12:10 pm

2 stops22h 10m

Warsaw Frederic Chopin

Sun 9/14

7:35 pm-4:10 pm

1 stop27h 35m

$609

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 6/3

2:20 pm-2:10 pm

1 stop16h 50m

Warsaw Frederic Chopin

Tue 6/10

9:40 am-9:10 am

2 stops30h 30m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 47 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 $1,094). 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 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 Warsaw as you normally would.

Rainfall in Warsaw by month

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

In terms of precipitation, rainfall in Warsaw ranges from 0.8 - 2.8 inches per month. July is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Warsaw when rainfall is around 0.8 in.

Temperature in Warsaw by month

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

If weather is an important factor for your trip to Warsaw, 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 Warsaw

Get insights into the airlines that provide service to Warsaw. 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 Warsaw. Reviews last updated May 1, 2025.
Read through reviews of airlines operating flights from Illinois to Warsaw, such as Delta, KLM and LOT. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

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

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

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

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

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

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

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

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

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

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

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 Warsaw. 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 Warsaw one-way?

    The cheapest airlines for a one-way flight from Illinois to Warsaw are TAP AIR PORTUGAL ($378), Scandinavian Airlines ($383), and British Airways ($451).

  • 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 $546. While the most popular route (Chicago O'Hare Intl - Warsaw Frederic Chopin) can be booked for $395 on average our data indicates $1,559 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 $1,094). 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 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$445Average$659FlexibilityNo cancel feeOn-time77%
SWISSCheapest$466Average$753FlexibilityNo cancel feeOn-time79%
FinnairCheapest$492Average$674FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$516Average$595FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$523Average$697FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$548Average$704FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$552Average$786FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$562Average$789FlexibilityNo cancel feeOn-time78%
JetBlueCheapest$577Average$943FlexibilityNo cancel feeOn-time62%
LOTCheapest$579Average$877FlexibilityNo cancel feeOn-time81%

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