How does KAYAK find such low prices on flights from Illinois to Warsaw?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Warsaw.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Warsaw?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Warsaw from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Warsaw?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Warsaw with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Warsaw?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Warsaw from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$283 CHEAP FLIGHTS from Illinois to Warsaw

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Flight Deals

Cheap Flights from Illinois to Warsaw

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Warsaw

Wed, Oct 28 - Wed, Nov 4

10:00 am - 11:35 amSTL Lambert-St Louis-WAW Warsaw Frederic Chopin

19h 35m2 stops Boston Logan Intl London Heathrow

8:50 am - 8:19 pmWAW Warsaw Frederic Chopin-STL Lambert-St Louis

18h 29m2 stops Helsinki-Vantaa Dallas/Fort Worth

$577British Airways

Tue, Oct 27 - Tue, Nov 3

11:32 am - 11:50 amSTL Lambert-St Louis-WAW Warsaw Frederic Chopin

18h 18m2 stops Chicago O'Hare Intl London Heathrow

8:50 am - 8:19 pmWAW Warsaw Frederic Chopin-STL Lambert-St Louis

18h 29m2 stops Helsinki-Vantaa Dallas/Fort Worth

$577British Airways

Wed, Oct 28 - Wed, Nov 4

5:27 pm - 9:25 pmSTL Lambert-St Louis-WAW Warsaw Frederic Chopin

21h 58m2 stops Chicago O'Hare Intl London Heathrow

8:50 am - 9:59 pmWAW Warsaw Frederic Chopin-STL Lambert-St Louis

20h 09m2 stops Helsinki-Vantaa Dallas/Fort Worth

$583American Airlines

Mon, Nov 2 - Tue, Nov 10

8:30 pm - 6:45 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

15h 15m1 stop London Heathrow

1:05 pm - 10:30 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

16h 25m2 stops Helsinki-Vantaa New York John F Kennedy Intl

$600American Airlines

Wed, Oct 28 - Wed, Nov 4

4:05 pm - 1:45 pmSTL Lambert-St Louis-WAW Warsaw Frederic Chopin

15h 40m2 stops Toronto Pearson Intl Zurich

6:30 am - 1:45 pmWAW Warsaw Frederic Chopin-STL Lambert-St Louis

14h 15m1 stop Frankfurt am Main

$611Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

6:50 pm - 4:25 pmSTL Lambert-St Louis-WAW Warsaw Frederic Chopin

15h 35m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:30 am - 1:45 pmWAW Warsaw Frederic Chopin-STL Lambert-St Louis

14h 15m1 stop Frankfurt am Main

$614Lufthansa

Tue, Oct 27 - Wed, Nov 4

6:50 pm - 4:25 pmSTL Lambert-St Louis-WAW Warsaw Frederic Chopin

15h 35m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:30 am - 1:45 pmWAW Warsaw Frederic Chopin-STL Lambert-St Louis

14h 15m1 stop Frankfurt am Main

$614Lufthansa

Tue, Sep 29 - Wed, Oct 14

4:15 pm - 4:25 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

17h 10m1 stop Amsterdam Schiphol

6:05 am - 3:10 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

16h 05m1 stop Paris Charles de Gaulle

$680Delta

Wed, Sep 30 - Mon, Oct 12

4:50 pm - 11:40 amORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

11h 50m1 stop Amsterdam Schiphol

12:25 pm - 2:15 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

32h 50m1 stop Amsterdam Schiphol

$680Delta

Thu, Oct 29 - Wed, Nov 11

1:27 pm - 12:05 pmMDW Chicago Midway-WAW Warsaw Frederic Chopin

16h 38m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

6:05 am - 4:39 pmWAW Warsaw Frederic Chopin-MDW Chicago Midway

17h 34m2 stops Amsterdam Schiphol Minneapolis St Paul

$687Multiple Airlines

Recent last minute flight deals from Illinois to Warsaw

Wed, Sep 23 - Wed, Sep 30

3:05 pm - 4:25 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

18h 20m2 stops Boston Logan Intl Amsterdam Schiphol

6:05 am - 3:10 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

16h 05m1 stop Paris Charles de Gaulle

$684Delta

Sun, Sep 20 - Thu, Oct 1

4:15 pm - 11:40 amORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

12h 25m1 stop Amsterdam Schiphol

6:00 am - 8:30 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

21h 30m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$690Delta

Mon, Sep 21 - Mon, Oct 12

8:50 pm - 8:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

17h 05m1 stop London Heathrow

8:55 am - 7:16 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

17h 21m2 stops Helsinki-Vantaa Dallas/Fort Worth

$701American Airlines

Mon, Sep 21 - Sun, Oct 25

5:55 pm - 8:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

20h 00m1 stop London Heathrow

8:50 am - 9:30 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

18h 40m2 stops Helsinki-Vantaa Dallas/Fort Worth

$701American Airlines

Tue, Sep 22 - Mon, Jan 18

10:35 am - 11:00 amORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

17h 25m2 stops Washington, D.C. Reagan-National London Heathrow

7:45 pm - 1:45 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

25h 00m1 stop London Heathrow

$704Multiple Airlines

Tue, Sep 22 - Mon, Jan 18

10:25 pm - 11:00 amORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

29h 35m1 stop London Heathrow

4:25 pm - 6:45 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

33h 20m1 stop London Heathrow

$705British Airways

Tue, Sep 22 - Mon, Jan 18

4:15 pm - 4:25 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

17h 10m1 stop Amsterdam Schiphol

6:05 am - 2:25 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

15h 20m1 stop Amsterdam Schiphol

$713KLM

Mon, Sep 21 - Mon, Oct 12

5:10 pm - 6:25 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

18h 15m1 stop Paris Charles de Gaulle

6:00 am - 2:30 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

15h 30m1 stop Amsterdam Schiphol

$729Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

10:25 pm - 11:00 amORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

29h 35m1 stop London Heathrow

8:45 am - 2:55 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

13h 10m1 stop London Heathrow

$802British Airways

Sun, Sep 20 - Mon, Sep 28

4:15 pm - 11:40 amORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

12h 25m1 stop Amsterdam Schiphol

12:25 pm - 10:32 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

17h 07m2 stops Amsterdam Schiphol Boston Logan Intl

$837KLM

Recent direct flight deals from Illinois to Warsaw

Tue, Feb 2 - Tue, Feb 9

9:50 pm - 1:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

9h 05mnonstop

4:40 pm - 7:55 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

10h 15mnonstop

$681LOT

Mon, Mar 15 - Tue, Mar 30

10:50 pm - 1:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

9h 05mnonstop

4:40 pm - 7:50 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

10h 10mnonstop

$683LOT

Mon, Mar 15 - Tue, Mar 30

10:50 pm - 1:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

9h 05mnonstop

4:40 pm - 7:50 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

10h 10mnonstop

$684LOT

Thu, Oct 15 - Sat, Nov 28

9:50 pm - 1:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

9h 05mnonstop

4:40 pm - 7:55 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

10h 15mnonstop

$687LOT

Tue, Oct 13 - Wed, Dec 9

9:50 pm - 1:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

9h 05mnonstop

4:40 pm - 7:55 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

10h 15mnonstop

$690Multiple Airlines

Mon, Oct 19 - Sun, Nov 15

9:50 pm - 1:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

9h 05mnonstop

4:40 pm - 7:55 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

10h 15mnonstop

$690Multiple Airlines

Tue, Oct 20 - Fri, Nov 27

9:50 pm - 1:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

9h 05mnonstop

4:40 pm - 7:55 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

10h 15mnonstop

$701Multiple Airlines

Mon, Oct 19 - Sun, Nov 1

5:10 pm - 9:15 amORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

9h 05mnonstop

4:40 pm - 8:00 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

10h 20mnonstop

$712JetBlue

Tue, Oct 13 - Tue, Oct 20

9:50 pm - 1:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

9h 05mnonstop

4:40 pm - 7:50 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

10h 10mnonstop

$792JetBlue

Wed, Oct 14 - Tue, Oct 20

9:50 pm - 1:55 pmORD Chicago O'Hare Intl-WAW Warsaw Frederic Chopin

9h 05mnonstop

4:40 pm - 7:50 pmWAW Warsaw Frederic Chopin-ORD Chicago O'Hare Intl

10h 10mnonstop

$792JetBlue

Useful Info

How does KAYAK find such low prices on flights from Illinois to Warsaw?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Warsaw.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Warsaw?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Warsaw from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Warsaw?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Warsaw with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Warsaw?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Warsaw from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.