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Cheap flights from Illinois to Warsaw from $251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Warsaw departing on 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Warsaw

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:40 pm - 4:20 pm
ORD
-
WAW
36h 40m
2 stops
Air Canada Logo
9:40 am - 10:17 am
WAW
-
ORD
31h 37m
2 stops
$746Air Canada
Sat, Aug 8 - Fri, Sep 11
Delta Logo
1:51 pm - 11:35 am
MDW
-
WAW
14h 44m
2 stops
Delta Logo
6:00 am - 6:19 pm
WAW
-
MDW
19h 19m
2 stops
$747Delta
Wed, Aug 26 - Wed, Sep 9
LOT Logo
9:50 pm - 1:55 pm
ORD
-
WAW
9h 05mnonstop
LOT Logo
12:00 pm - 3:10 pm
WAW
-
ORD
10h 10mnonstop
$747LOT
Thu, Oct 1 - Sun, Oct 18
TAP AIR PORTUGAL Logo
6:00 pm - 12:05 pm
ORD
-
WAW
35h 05m
1 stop
TAP AIR PORTUGAL Logo
1:05 pm - 4:00 pm
WAW
-
ORD
33h 55m
1 stop
$748TAP AIR PORTUGAL
Sun, Jul 19 - Sat, Sep 5
Turkish Airlines Logo
11:25 am - 9:10 am
ORD
-
WAW
14h 45m
1 stop
Turkish Airlines Logo
10:05 am - 9:40 am
WAW
-
ORD
30h 35m
1 stop
$749Turkish Airlines
Tue, Jul 14 - Wed, Sep 16
United Airlines Logo
4:00 pm - 4:20 pm
ORD
-
WAW
17h 20m
2 stops
United Airlines Logo
1:15 pm - 11:22 pm
WAW
-
ORD
17h 07m
2 stops
$750United Airlines
Wed, Aug 5 - Thu, Sep 3
LOT Logo
9:50 pm - 1:55 pm
ORD
-
WAW
9h 05mnonstop
LOT Logo
4:40 pm - 7:50 pm
WAW
-
ORD
10h 10mnonstop
$751LOT
Tue, Sep 15 - Tue, Sep 22
Delta Logo
1:25 pm - 11:40 am
MDW
-
WAW
15h 15m
2 stops
Delta Logo
6:00 am - 6:19 pm
WAW
-
MDW
19h 19m
2 stops
$751Delta
Mon, Aug 24 - Tue, Sep 8
LOT Logo
5:10 pm - 6:30 am
ORD
-
WAW
30h 20m
1 stop
LOT Logo
4:40 pm - 7:50 pm
WAW
-
ORD
10h 10mnonstop
$752LOT
Thu, Aug 20 - Sun, Sep 20
United Airlines Logo
1:13 pm - 12:35 pm
STL
-
WAW
16h 22m
2 stops
United Airlines Logo
9:40 am - 1:25 pm
WAW
-
STL
34h 45m
1 stop
$805United Airlines
Tue, Jul 28 - Tue, Aug 18

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Lufthansa flights from Illinois to Warsaw

Our best Lufthansa deals on Illinois to Warsaw flight tickets
Lufthansa
Aug 14
ORD4:05 pmChicago O'Hare Intl
14h 25m
1 stop
WAW1:30 pmWarsaw Frederic Chopin
Aug 21
WAW6:00 amWarsaw Frederic Chopin
19h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
$755
Lufthansa
Aug 18
STL3:30 pmLambert-St Louis
15h 00m
1 stop
WAW1:30 pmWarsaw Frederic Chopin
Aug 26
WAW6:45 amWarsaw Frederic Chopin
13h 40m
1 stop
STL1:25 pmLambert-St Louis
$774
Lufthansa
Jul 8
ORD9:40 pmChicago O'Hare Intl
11h 40m
1 stop
WAW4:20 pmWarsaw Frederic Chopin
Aug 21
WAW6:00 amWarsaw Frederic Chopin
19h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
$780

LOT flights from Illinois to Warsaw

Our best LOT deals on Illinois to Warsaw flight tickets
LOT
Aug 28
ORD9:50 pmChicago O'Hare Intl
9h 05m
WAW1:55 pmWarsaw Frederic Chopin
Sep 2
WAW4:40 pmWarsaw Frederic Chopin
10h 10m
ORD7:50 pmChicago O'Hare Intl
$747
LOT
Sep 15
ORD9:50 pmChicago O'Hare Intl
9h 05m
WAW1:55 pmWarsaw Frederic Chopin
Sep 22
WAW4:40 pmWarsaw Frederic Chopin
10h 10m
ORD7:50 pmChicago O'Hare Intl
$751
LOT
Aug 20
ORD5:10 pmChicago O'Hare Intl
30h 20m
1 stop
WAW6:30 amWarsaw Frederic Chopin
Sep 20
WAW4:40 pmWarsaw Frederic Chopin
10h 10m
ORD7:50 pmChicago O'Hare Intl
$752

momondo 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, momondo users made 832,500 searches. Data last updated July 1, 2026.
Use the filters below to find and compare flights from Illinois to Warsaw that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Sat 8/8

8:40 pm-4:20 pm

2 stops36h 40m

Warsaw Frederic Chopin

Fri 9/11

9:40 am-10:17 am

2 stops31h 37m

$746

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

Wed 8/26

1:51 pm-11:35 am

2 stops14h 44m

Warsaw Frederic Chopin

Wed 9/9

6:00 am-6:19 pm

2 stops19h 19m

$747
Quickest round-trip

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Thu 10/1

9:50 pm-1:55 pm

Nonstop9h 05m

Warsaw Frederic Chopin

Sun 10/18

12:00 pm-3:10 pm

Nonstop10h 10m

$747

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Sun 7/19

6:00 pm-12:05 pm

1 stop35h 05m

Warsaw Frederic Chopin

Sat 9/5

1:05 pm-4:00 pm

1 stop33h 55m

$748

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 7/14

11:25 am-9:10 am

1 stop14h 45m

Warsaw Frederic Chopin

Wed 9/16

10:05 am-9:40 am

1 stop30h 35m

$749

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Wed 8/5

4:00 pm-4:20 pm

2 stops17h 20m

Warsaw Frederic Chopin

Thu 9/3

1:15 pm-11:22 pm

2 stops17h 07m

$750

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 9/15

9:50 pm-1:55 pm

Nonstop9h 05m

Warsaw Frederic Chopin

Tue 9/22

4:40 pm-7:50 pm

Nonstop10h 10m

$751

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

Mon 8/24

1:25 pm-11:40 am

2 stops15h 15m

Warsaw Frederic Chopin

Tue 9/8

6:00 am-6:19 pm

2 stops19h 19m

$751

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Thu 8/20

5:10 pm-6:30 am

1 stop30h 20m

Warsaw Frederic Chopin

Sun 9/20

4:40 pm-7:50 pm

Nonstop10h 10m

$752

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Tue 7/28

1:13 pm-12:35 pm

2 stops16h 22m

Warsaw Frederic Chopin

Tue 8/18

9:40 am-1:25 pm

1 stop34h 45m

$805

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Warsaw from

How to get the cheapest flight ticket from Illinois to Warsaw

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Warsaw?

The cheapest month to fly to Warsaw from Illinois is in November. Flight prices, which tend to average around $361, are often lower during this time because this is during the off-season. If you are unable to visit Warsaw during the month of November, then departing from Illinois during the month February is also very affordable. Most momondo users find prices during this month for around $373.

What is the cheapest day to depart on your flight to Warsaw?

The cheapest day to depart from Illinois to Warsaw is on a Wednesday when prices can be found for as low as $780. Flights from Illinois to Warsaw on a Saturday will generally be more expensive and average around $985. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Warsaw?

Our most recent data shows that the best time of day to fly to Warsaw is at noon. Flights from Illinois to Warsaw during this time can be as low as $790. In the afternoon is when there is more demand to fly to Warsaw, so prices are often more expensive at around $972 per ticket.

What is the cheapest Illinois to Warsaw flight route?

Fly from Chicago O'Hare Intl to Warsaw Frederic Chopin for the best Illinois - Warsaw flight prices

How far in advance should I book a flight from Illinois to Warsaw?

You are more likely to see cheaper flights to Warsaw from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Warsaw for around $726 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Warsaw from Illinois for as low as $659 on momondo.

What cabin class options are available on Illinois to Warsaw flights?

There are 3 cabin classes available to choose from on Illinois to Warsaw flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Illinois to Warsaw flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Warsaw

Fastest flight time

9h 05m

Direct flights

Every day

Airports in Warsaw

2 airports
The fastest flight from Illinois to Warsaw takes 9h 05m
Direct flights go from Illinois to Warsaw every day.
There are 2 airports in Warsaw. From Illinois there are direct flights to Warsaw Frederic Chopin (WAW).
Search flight deals

Frequently asked questions about flying from Illinois to Warsaw

  • When did momondo last update prices for flights from Illinois to Warsaw?

    Prices for flights from Illinois to Warsaw refresh daily.

  • How many operators does momondo search for flights from Illinois to Warsaw?

  • How old do you have to be to fly from Illinois to Warsaw?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Warsaw.

  • What documentation or ID do you need to fly to Warsaw?

    The required travel and health documents for your Warsaw trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Warsaw. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Warsaw

Compare and see reviews for airlines that fly from Illinois to Warsaw with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $425Free CancellationRating
7.4
1,860 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $431Free CancellationRating
7.8
8,453 reviews
Search Delta flights
FinnairPriceFrom $435Free CancellationRating
7.6
1,415 reviews
Search Finnair flights
British AirwaysPriceFrom $447Free CancellationRating
6.7
8,089 reviews
Search British Airways flights
SWISSPriceFrom $489Free CancellationRating
7.5
1,981 reviews
Search SWISS flights
KLMPriceFrom $489Free CancellationRating
7.8
1,531 reviews
Search KLM flights
LufthansaPriceFrom $499Free CancellationRating
6.8
8,109 reviews
Search Lufthansa flights
American AirlinesPriceFrom $509Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
LOTPriceFrom $516Free CancellationRating
7.5
1,210 reviews
Search LOT flights
Turkish AirlinesPriceFrom $537Free CancellationRating
7.4
4,430 reviews
Search Turkish Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Warsaw?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Warsaw from Illinois.

Can I find flights from Illinois to Warsaw with flexible booking policies on momondo?

Flights from Illinois to Warsaw with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois to Warsaw?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Warsaw from Illinois.

I’m not ready to book a flight from Illinois to Warsaw right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Warsaw now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Warsaw and let you know when they change.

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Find better results for your trip to Poland

Fly into one of these airports located in Warsaw

Airports listed have a maximum distance of 21.5 mi from Warsaw
Warsaw Modlin Airport