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.

$329 CHEAP FLIGHTS from Illinois to Madrid

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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

Tue, Nov 3 - Wed, Nov 11

7:30 am - 8:00 amSTL Lambert-St Louis-MAD Madrid Barajas

17h 30m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

1:25 pm - 9:40 pmMAD Madrid Barajas-STL Lambert-St Louis

39h 15m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$563United Airlines

Mon, Sep 21 - Wed, Oct 7

11:09 am - 5:35 amSTL Lambert-St Louis-MAD Madrid Barajas

11h 26m1 stop Philadelphia

3:20 pm - 10:14 pmMAD Madrid Barajas-STL Lambert-St Louis

13h 54m1 stop Philadelphia

$572American Airlines

Wed, Oct 7 - Wed, Oct 21

9:35 pm - 5:35 pmSTL Lambert-St Louis-MAD Madrid Barajas

13h 00m1 stop London Heathrow

12:40 pm - 11:59 pmMAD Madrid Barajas-STL Lambert-St Louis

18h 19m1 stop Charlotte Douglas

$573British Airways

Wed, Nov 4 - Wed, Nov 11

5:29 pm - 5:05 pmSTL Lambert-St Louis-MAD Madrid Barajas

16h 36m2 stops Chicago O'Hare Intl London Heathrow

12:40 pm - 10:15 pmMAD Madrid Barajas-STL Lambert-St Louis

16h 35m1 stop Chicago O'Hare Intl

$577British Airways

Wed, Oct 21 - Fri, Oct 30

10:00 am - 10:15 amSTL Lambert-St Louis-MAD Madrid Barajas

17h 15m1 stop Boston Logan Intl

10:00 am - 6:18 pmMAD Madrid Barajas-STL Lambert-St Louis

14h 18m1 stop Dallas/Fort Worth

$580Iberia

Wed, Oct 21 - Fri, Oct 30

10:00 am - 10:15 amSTL Lambert-St Louis-MAD Madrid Barajas

17h 15m1 stop Boston Logan Intl

10:00 am - 6:18 pmMAD Madrid Barajas-STL Lambert-St Louis

14h 18m1 stop Dallas/Fort Worth

$580Iberia

Wed, Nov 4 - Wed, Nov 11

9:50 am - 8:25 amSTL Lambert-St Louis-MAD Madrid Barajas

15h 35m1 stop Boston Logan Intl

12:35 pm - 9:47 pmMAD Madrid Barajas-STL Lambert-St Louis

16h 12m1 stop Miami

$580Multiple Airlines

Tue, Nov 3 - Wed, Nov 11

11:35 am - 8:50 amSTL Lambert-St Louis-MAD Madrid Barajas

14h 15m1 stop Chicago O'Hare Intl

4:30 pm - 10:08 amMAD Madrid Barajas-STL Lambert-St Louis

24h 38m1 stop Miami

$580Multiple Airlines

Sun, Oct 4 - Wed, Oct 14

1:49 pm - 8:20 amSTL Lambert-St Louis-MAD Madrid Barajas

11h 31m1 stop Chicago O'Hare Intl

3:55 pm - 11:42 pmMAD Madrid Barajas-STL Lambert-St Louis

14h 47m1 stop Dallas/Fort Worth

$580American Airlines

Tue, Sep 29 - Fri, Oct 9

9:30 am - 6:50 amSTL Lambert-St Louis-MAD Madrid Barajas

14h 20m2 stops Newark Montreal Pierre Elliott Trudeau Intl

11:15 am - 10:48 amMAD Madrid Barajas-STL Lambert-St Louis

30h 33m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$583United Airlines

Recent last minute flight deals from Illinois to Madrid

Wed, Sep 16 - Thu, Oct 1

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

17h 01m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

9:50 am - 4:15 pmMAD Madrid Barajas-MDW Chicago Midway

13h 25m1 stop Atlanta Hartsfield-Jackson

$694Delta

Wed, Sep 16 - Thu, Oct 1

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

17h 01m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

9:50 am - 6:33 pmMAD Madrid Barajas-MDW Chicago Midway

15h 43m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$698Delta

Wed, Sep 16 - Wed, Sep 23

6:00 pm - 5:00 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

16h 00m1 stop Lisbon Humberto Delgado

4:20 pm - 12:40 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

27h 20m1 stop Lisbon Humberto Delgado

$707TAP AIR PORTUGAL

Fri, Sep 11 - Thu, Sep 17

6:00 pm - 12:40 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

11h 40m1 stop Lisbon Humberto Delgado

8:10 pm - 4:00 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

26h 50m1 stop Lisbon Humberto Delgado

$707TAP AIR PORTUGAL

Mon, Sep 14 - Thu, Dec 3

8:45 am - 5:15 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

25h 30m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Marseille

6:00 pm - 3:30 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

28h 30m1 stop Lisbon Humberto Delgado

$763Multiple Airlines

Mon, Sep 14 - Sun, Dec 13

3:45 pm - 11:15 pmORD Chicago O'Hare Intl-MAD Madrid Barajas

48h 30m2 stops Dublin Liverpool J. Lennon

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

14h 50m1 stop Lisbon Humberto Delgado

$777Multiple Airlines

Wed, Sep 16 - Thu, Oct 1

4:55 pm - 8:20 amORD Chicago O'Hare Intl-MAD Madrid Barajas

8h 25mnonstop

1:35 pm - 4:00 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

9h 25mnonstop

$797Iberia

Wed, Sep 16 - Wed, Sep 23

3:50 pm - 6:50 amORD Chicago O'Hare Intl-MAD Madrid Barajas

32h 00m1 stop Boston Logan Intl

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

9h 40mnonstop

$920Iberia

Wed, Sep 16 - Thu, Oct 1

9:39 pm - 8:05 amORD Chicago O'Hare Intl-MAD Madrid Barajas

27h 26m1 stop Washington, D.C. Dulles Intl

10:50 am - 7:35 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

15h 45m2 stops Newark Washington, D.C. Reagan-National

$929United Airlines

Tue, Sep 15 - Wed, Oct 14

12:55 pm - 8:05 amORD Chicago O'Hare Intl-MAD Madrid Barajas

12h 10m1 stop Washington, D.C. Dulles Intl

11:15 am - 5:05 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

12h 50m1 stop Washington, D.C. Dulles Intl

$981United Airlines

Recent direct flight deals from Illinois to Madrid

Tue, Oct 20 - Tue, Nov 10

4:55 pm - 8:20 amORD Chicago O'Hare Intl-MAD Madrid Barajas

8h 25mnonstop

12:00 pm - 2:55 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

9h 55mnonstop

$692Finnair

Wed, Nov 4 - Thu, Nov 12

6:05 pm - 9:25 amORD Chicago O'Hare Intl-MAD Madrid Barajas

8h 20mnonstop

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

9h 25mnonstop

$693British Airways

Tue, Nov 3 - Tue, Nov 10

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

8h 10mnonstop

12:00 pm - 2:55 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

9h 55mnonstop

$693British Airways

Sat, Oct 24 - Wed, Nov 4

7:15 pm - 10:25 amORD Chicago O'Hare Intl-MAD Madrid Barajas

8h 10mnonstop

12:00 pm - 2:55 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

9h 55mnonstop

$698American Airlines

Sat, Oct 24 - Thu, Nov 5

5:55 pm - 9:20 amORD Chicago O'Hare Intl-MAD Madrid Barajas

8h 25mnonstop

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

9h 25mnonstop

$698Finnair

Tue, Sep 29 - Tue, Oct 6

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

8h 15mnonstop

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

9h 40mnonstop

$705American Airlines

Sun, Sep 27 - Tue, Oct 13

4:55 pm - 8:20 amORD Chicago O'Hare Intl-MAD Madrid Barajas

8h 25mnonstop

1:35 pm - 4:00 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

9h 25mnonstop

$705Iberia

Wed, Sep 30 - Wed, Oct 14

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

8h 15mnonstop

1:35 pm - 4:00 pmMAD Madrid Barajas-ORD Chicago O'Hare Intl

9h 25mnonstop

$705Iberia

Thu, Mar 4 - Tue, Apr 6

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

8h 10mnonstop

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

9h 40mnonstop

$719Multiple Airlines

Thu, Mar 4 - Wed, Apr 7

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

8h 10mnonstop

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

9h 40mnonstop

$719Multiple Airlines

Useful Info

Low season	January
High season	March
Cheapest flight	$329

Best time to beat the crowds with an average 28% drop in price.

Most popular time to fly and prices are also 15% lower on average.

Flight from Chicago Midway Airport to Madrid

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.