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

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 Madrid.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Madrid 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 Madrid?

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 Madrid 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 Madrid?

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 Madrid from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$332 CHEAP FLIGHTS from Illinois to Madrid

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Flight Deals

Cheap Flights from Illinois to Madrid

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 Madrid

Mon, Nov 2 - Mon, Nov 9

3:36 pm - 9:30 amORD Chicago O'Hare Intl-MAD Madrid Barajas

10h 54m1 stop Newark

6:25 am - 11:21 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

23h 56m2 stops Brussels Bruxelles-National New York John F Kennedy Intl

$642United Airlines

Sat, Mar 13 - Sun, Mar 21

4:45 pm - 5:45 amORD Chicago O'Hare Intl-MAD Madrid Barajas

30h 00m1 stop Charlotte Douglas

8:40 pm - 2:45 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

24h 05m1 stop London Heathrow

$642Iberia

Fri, Oct 30 - Sun, Nov 15

9:10 pm - 2:05 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

10h 55m1 stop Lisbon Humberto Delgado

7:40 am - 3:30 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

14h 50m1 stop Lisbon Humberto Delgado

$642TAP AIR PORTUGAL

Sun, Oct 11 - Sat, Oct 17

2:20 pm - 9:20 amORD Chicago O'Hare Intl-MAD Madrid Barajas

12h 00m1 stop Zurich

2:55 pm - 12:35 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

28h 40m1 stop Munich Franz Josef Strauss

$642Multiple Airlines

Tue, Jan 5 - Fri, May 28

9:50 pm - 5:05 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

12h 15m1 stop London Heathrow

1:50 pm - 10:00 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

15h 10m1 stop Boston Logan Intl

$642Iberia

Wed, Oct 21 - Sun, Nov 8

7:25 am - 6:20 amORD Chicago O'Hare Intl-MAD Madrid Barajas

15h 55m1 stop Boston Logan Intl

1:05 pm - 11:57 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

17h 52m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$644Delta

Fri, Feb 12 - Tue, Feb 16

12:30 pm - 11:30 amMDW Chicago Midway-MAD Madrid Barajas

16h 00m2 stops Minneapolis St Paul Paris Charles de Gaulle

12:20 pm - 10:10 pmMAD Madrid Barajas-MDW Chicago Midway

16h 50m1 stop Atlanta Hartsfield-Jackson

$644Delta

Mon, Nov 9 - Mon, Nov 30

7:05 am - 8:00 amORD Chicago O'Hare Intl-MAD Madrid Barajas

17h 55m1 stop Montreal Pierre Elliott Trudeau Intl

7:30 pm - 4:15 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

27h 45m1 stop Zurich

$644Multiple Airlines

Wed, Oct 14 - Mon, Oct 19

2:52 pm - 9:35 amORD Chicago O'Hare Intl-MAD Madrid Barajas

11h 43m1 stop Toronto Pearson Intl

6:20 am - 8:49 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

21h 29m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$644United Airlines

Fri, Oct 30 - Sun, Nov 8

9:10 pm - 5:10 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

14h 00m1 stop Lisbon Humberto Delgado

7:40 am - 3:30 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

14h 50m1 stop Lisbon Humberto Delgado

$647TAP AIR PORTUGAL

Recent last minute flight deals from Illinois to Madrid

Mon, Sep 28 - Mon, Oct 5

9:00 am - 8:05 amORD Chicago O'Hare Intl-MAD Madrid Barajas

16h 05m2 stops Newark Washington, D.C. Dulles Intl

5:55 am - 8:40 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

21h 45m2 stops Frankfurt am Main Philadelphia

$645United Airlines

Fri, Sep 25 - Tue, Oct 6

8:50 pm - 3:50 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

12h 00m1 stop London Heathrow

11:45 am - 2:25 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

9h 40mnonstop

$668American Airlines

Fri, Sep 25 - Tue, Oct 6

11:37 am - 5:35 amORD Chicago O'Hare Intl-MAD Madrid Barajas

10h 58m1 stop New York John F Kennedy Intl

11:45 am - 2:25 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

9h 40mnonstop

$675American Airlines

Thu, Sep 24 - Mon, Sep 28

9:55 am - 8:50 amORD Chicago O'Hare Intl-MAD Madrid Barajas

15h 55m1 stop Toronto Pearson Intl

12:45 pm - 8:41 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

14h 56m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

$686Air Canada

Sun, Sep 27 - Tue, Oct 13

10:15 pm - 1:30 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

8h 15mnonstop

9:00 pm - 1:50 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

23h 50m1 stop London Heathrow

$690British Airways

Fri, Sep 25 - Sun, Oct 4

9:35 pm - 9:00 amORD Chicago O'Hare Intl-MAD Madrid Barajas

28h 25m1 stop Newark

5:55 am - 2:55 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

16h 00m1 stop Frankfurt am Main

$693United Airlines

Mon, Sep 28 - Mon, Oct 5

7:05 pm - 12:05 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

34h 00m3 stops Zurich Barcelona-El Prat Palma de Mallorca Son Sant Joan

8:40 pm - 12:35 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

22h 55m2 stops Barcelona-El Prat Zurich

$723Multiple Airlines

Mon, Sep 28 - Wed, Oct 14

10:48 am - 12:15 pmMDW Chicago Midway-MAD Madrid Barajas

18h 27m1 stop Atlanta Hartsfield-Jackson

6:00 am - 4:14 pmMAD Madrid Barajas-MDW Chicago Midway

17h 14m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$724Delta

Sun, Sep 27 - Wed, Oct 7

9:29 am - 9:30 amMDW Chicago Midway-MAD Madrid Barajas

17h 01m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

9:50 am - 10:33 pmMAD Madrid Barajas-MDW Chicago Midway

19h 43m1 stop Atlanta Hartsfield-Jackson

$797Delta

Fri, Sep 25 - Mon, Oct 5

7:05 pm - 8:00 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

17h 55m1 stop London Heathrow

9:00 pm - 1:50 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

23h 50m1 stop London Heathrow

$894British Airways

Recent direct flight deals from Illinois to Madrid

Wed, Oct 28 - Wed, Nov 4

6:40 pm - 8:50 amORD Chicago O'Hare Intl-MAD Madrid Barajas

8h 10mnonstop

12:40 pm - 3:05 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

9h 25mnonstop

$648Iberia

Wed, Nov 25 - Tue, Dec 1

5:40 pm - 8:50 amORD Chicago O'Hare Intl-MAD Madrid Barajas

8h 10mnonstop

12:40 pm - 3:10 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

9h 30mnonstop

$648Multiple Airlines

Fri, Oct 30 - Sun, Nov 8

6:40 pm - 8:50 amORD Chicago O'Hare Intl-MAD Madrid Barajas

8h 10mnonstop