What is the cheapest airline that flies from Illinois to Warsaw?

British Airways, United Airlines, and Lufthansa are the most popular carriers operating from Illinois to Warsaw

What airlines fly to Warsaw?

LOT, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to Warsaw from Illinois according to our data. LOT is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Warsaw. Keep in mind that there are 13 different airlines that fly to Warsaw on a routine basis, so you have a few additional options to choose from.

How many flights depart from Illinois to Warsaw on average per week?

The number of flights available between Illinois and Warsaw is 4 per week as of February 2026. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.

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?

As of February 2026, there are 13 operators available to choose from 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.

$220 Cheap Flights from Illinois to Warsaw in 2026

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Find the cheapest flights from Illinois to Warsaw

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:40 pm - 4:20 pm

ORD

WAW

11h 40m

1 stop

2:15 pm - 7:55 pm

WAW

ORD

12h 40m

1 stop

$446Lufthansa

mer., avr. 8 - jeu., avr. 16

7:15 pm - 2:25 pm

ORD

WAW

12h 10m

1 stop

10:15 am - 4:10 pm

WAW

ORD

12h 55m

1 stop

$449Scandinavian Airlines

mer., avr. 15 - mer., avr. 22

10:50 pm - 4:15 pm

ORD

WAW

11h 25m

1 stop

6:05 am - 7:25 pm

WAW

ORD

19h 20m

1 stop

$450Lufthansa

mar., mars 10 - mar., mars 17

6:34 pm - 4:05 pm

MDW

WAW

15h 31m

2 stops

6:00 am - 6:40 pm

WAW

MDW

19h 40m

2 stops

$498Delta

lun., mars 16 - mer., avr. 1

6:34 pm - 4:05 pm

MDW

WAW

15h 31m

2 stops

6:00 am - 6:40 pm

WAW

MDW

19h 40m

2 stops

$499Delta

lun., mars 16 - mer., avr. 1

2:05 pm - 12:05 pm

MDW

WAW

16h 00m

2 stops

6:05 am - 10:31 pm

WAW

MDW

22h 26m

2 stops

$501Multiple Airlines

mar., mars 10 - mar., mars 17

3:30 pm - 1:30 pm

STL

WAW

15h 00m

1 stop

6:50 am - 3:24 pm

WAW

STL

39h 34m

2 stops

$541Multiple Airlines

dim., mars 29 - mar., avr. 14

6:35 pm - 4:20 pm

STL

WAW

14h 45m

2 stops

6:50 am - 9:47 pm

WAW

STL

21h 57m

2 stops

$546United Airlines

dim., mars 29 - mar., avr. 14

11:46 am - 12:20 pm

STL

WAW

18h 34m

2 stops

1:00 pm - 9:11 pm

WAW

STL

15h 11m

2 stops

$566American Airlines

jeu., mars 26 - jeu., avr. 2

6:55 pm - 9:25 pm

STL

WAW

19h 30m

2 stops

8:55 am - 10:17 pm

WAW

STL

20h 22m

2 stops

$590American Airlines

ven., avr. 17 - ven., mai 1

LOT flights from Illinois to Warsaw

Our best LOT deals on Illinois to Warsaw flight tickets

LOT

Mar 24

ORD10:55 pmChicago O'Hare Intl

8h 55m

WAW1:50 pmWarsaw Frederic Chopin

Apr 9

WAW4:40 pmWarsaw Frederic Chopin

10h 10m

ORD7:50 pmChicago O'Hare Intl

$468

LOT

Apr 8

ORD9:50 pmChicago O'Hare Intl

9h 05m

WAW1:55 pmWarsaw Frederic Chopin

Apr 22

WAW4:40 pmWarsaw Frederic Chopin

10h 10m

ORD7:50 pmChicago O'Hare Intl

$470

LOT

Mar 16

ORD10:55 pmChicago O'Hare Intl

8h 55m

WAW1:50 pmWarsaw Frederic Chopin

Apr 1

WAW4:40 pmWarsaw Frederic Chopin

10h 10m

ORD7:50 pmChicago O'Hare Intl

$478

Finnair flights from Illinois to Warsaw

Our best Finnair deals on Illinois to Warsaw flight tickets

Finnair

Apr 8

ORD10:30 pmChicago O'Hare Intl

26h 40m

2 stops

WAW8:10 amWarsaw Frederic Chopin

Apr 16

WAW1:00 pmWarsaw Frederic Chopin

11h 50m

1 stop

ORD5:50 pmChicago O'Hare Intl

$487

Finnair

Apr 8

ORD10:30 pmChicago O'Hare Intl

26h 40m

2 stops

WAW8:10 amWarsaw Frederic Chopin

Apr 16

WAW8:55 amWarsaw Frederic Chopin

15h 55m

1 stop

ORD5:50 pmChicago O'Hare Intl

$488

Finnair

Apr 8

ORD9:30 pmChicago O'Hare Intl

16h 00m

1 stop

WAW8:30 pmWarsaw Frederic Chopin

Apr 16

WAW8:55 amWarsaw Frederic Chopin

15h 55m

1 stop

ORD5:50 pmChicago O'Hare Intl

$490

Fly from

Fly to

Route

Depart

Return

Price

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

mer. 4/8

9:40 pm-4:20 pm

1 stop11h 40m

Warsaw Frederic Chopin

jeu. 4/16

2:15 pm-7:55 pm

1 stop12h 40m

$446

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

mer. 4/15

7:15 pm-2:25 pm

1 stop12h 10m

Warsaw Frederic Chopin

mer. 4/22

10:15 am-4:10 pm

1 stop12h 55m

$449

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

mar. 3/10

10:50 pm-4:15 pm

1 stop11h 25m

Warsaw Frederic Chopin

mar. 3/17

6:05 am-7:25 pm

1 stop19h 20m

$450

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

lun. 3/16

6:34 pm-4:05 pm

2 stops15h 31m

Warsaw Frederic Chopin

mer. 4/1

6:00 am-6:40 pm

2 stops19h 40m

$498

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

lun. 3/16

6:34 pm-4:05 pm

2 stops15h 31m

Warsaw Frederic Chopin

mer. 4/1

6:00 am-6:40 pm

2 stops19h 40m

$499

ChicagoWarsaw

MDW - WAW

MDWWAW

Chicago Midway

mar. 3/10

2:05 pm-12:05 pm

2 stops16h 00m

Warsaw Frederic Chopin

mar. 3/17

6:05 am-10:31 pm

2 stops22h 26m

$501

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

dim. 3/29

3:30 pm-1:30 pm

1 stop15h 00m

Warsaw Frederic Chopin

mar. 4/14

6:50 am-3:24 pm

2 stops39h 34m

$541

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

dim. 3/29

6:35 pm-4:20 pm

2 stops14h 45m

Warsaw Frederic Chopin

mar. 4/14

6:50 am-9:47 pm

2 stops21h 57m

$546

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

jeu. 3/26

11:46 am-12:20 pm

2 stops18h 34m

Warsaw Frederic Chopin

jeu. 4/2

1:00 pm-9:11 pm

2 stops15h 11m

$566

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

ven. 4/17

6:55 pm-9:25 pm

2 stops19h 30m

Warsaw Frederic Chopin

ven. 5/1

8:55 am-10:17 pm

2 stops20h 22m

$590

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Warsaw?

The cheapest month to fly to Warsaw from Illinois is in January. Flight prices, which tend to average around $626, are often lower during this time because this is during the off-season. If you are unable to visit Warsaw during the month of January, then departing from Illinois during the month October is also very affordable. Most momondo users find prices during this month for around $628.

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 $843. Flights from Illinois to Warsaw on a Saturday will generally be more expensive and average around $992. 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 $856. In the afternoon is when there is more demand to fly to Warsaw, so prices are often more expensive at around $948 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 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 $701 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 $641 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	8h 55m
Direct flights	Every day
Airports in Warsaw	2 airports

The fastest flight from Illinois to Warsaw takes 8h 55m

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

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?
As of February 2026, there are 13 operators available to choose from 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 Airlines	PriceFrom $426	Free Cancellation	Rating 7.3 1,681 reviews	Search Scandinavian Airlines flights
Finnair	PriceFrom $435	Free Cancellation	Rating 7.6 1,360 reviews	Search Finnair flights
KLM	PriceFrom $489	Free Cancellation	Rating 7.7 1,451 reviews	Search KLM flights
SWISS	PriceFrom $493	Free Cancellation	Rating 7.6 1,870 reviews	Search SWISS flights
British Airways	PriceFrom $505	Free Cancellation	Rating 6.7 7,733 reviews	Search British Airways flights
American Airlines	PriceFrom $509	Free Cancellation	Rating 7.2 11,272 reviews	Search American Airlines flights
LOT	PriceFrom $532	Free Cancellation	Rating 7.5 1,179 reviews	Search LOT flights
Lufthansa	PriceFrom $534	Free Cancellation	Rating 6.8 7,780 reviews	Search Lufthansa flights
United Airlines	PriceFrom $538	Free Cancellation	Rating 7.4 9,282 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $554	Free Cancellation	Rating 7.3 4,208 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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Cheap flights from Illinois to Warsaw from $220

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 7/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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LOT flights from Illinois to Warsaw

Our best LOT deals on Illinois to Warsaw flight tickets

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Our best Finnair deals on Illinois to Warsaw flight tickets

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How to get the cheapest flight ticket from Illinois to Warsaw

What is the cheapest month to fly to Warsaw?

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

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

What is the cheapest Illinois to Warsaw flight route?

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

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

What is the cheapest airline that flies from Illinois to Warsaw?

What airlines fly to Warsaw?

How many flights depart from Illinois to Warsaw on average per week?

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

Direct flights

Airports in Warsaw

Best airlines flying from Illinois to Warsaw

Compare and see reviews for airlines that fly from Illinois to Warsaw with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Warsaw trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to Warsaw

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