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

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 Barcelona.

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

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

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 Barcelona 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 Barcelona?

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

$305 CHEAP FLIGHTS from Illinois to Barcelona (BCN)

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Flight Deals

Cheap Flights from Illinois to Barcelona

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 Barcelona

Sat, Oct 31 - Mon, Nov 16

7:30 pm - 1:40 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

12h 10m1 stop Reykjavik Keflavik Intl

9:05 am - 6:25 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

16h 20m1 stop Dublin

$533Multiple Airlines

Sat, Oct 31 - Fri, Nov 13

7:30 pm - 1:40 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

12h 10m1 stop Reykjavik Keflavik Intl

11:45 am - 6:25 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

13h 40m1 stop Dublin

$533Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

7:00 pm - 11:45 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

21h 45m1 stop Lisbon Humberto Delgado

6:45 am - 3:30 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

15h 45m1 stop Lisbon Humberto Delgado

$600TAP AIR PORTUGAL

Sun, Nov 22 - Tue, Dec 1

8:10 pm - 5:15 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

14h 05m1 stop Lisbon Humberto Delgado

9:10 pm - 3:30 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

25h 20m1 stop Lisbon Humberto Delgado

$600TAP AIR PORTUGAL

Sat, Oct 17 - Sat, Oct 24

11:20 pm - 7:50 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

13h 30m1 stop Belgrade Nikola Tesla

9:55 am - 9:15 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

18h 20m1 stop Belgrade Nikola Tesla

$651Air Serbia

Sat, Jan 9 - Sun, Jan 17

6:30 pm - 1:15 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

11h 45m1 stop Reykjavik Keflavik Intl

2:15 pm - 5:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

34h 05m1 stop Reykjavik Keflavik Intl

$656Icelandair

Sat, Dec 12 - Fri, Dec 25

5:30 pm - 7:50 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

19h 20m1 stop Belgrade Nikola Tesla

8:35 pm - 4:50 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

27h 15m1 stop Belgrade Nikola Tesla

$657Air Serbia

Thu, Jan 7 - Sun, Jan 17

6:30 pm - 11:30 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

34h 00m1 stop Reykjavik Keflavik Intl

2:15 pm - 5:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

34h 05m1 stop Reykjavik Keflavik Intl

$657Icelandair

Tue, Oct 6 - Tue, Oct 13

7:15 pm - 6:10 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

15h 55m1 stop Kastrup Copenhagen

6:45 pm - 4:10 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

28h 25m2 stops Stockholm Arlanda Kastrup Copenhagen

$678Scandinavian Airlines

Tue, Nov 10 - Tue, Nov 24

7:15 pm - 11:35 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

33h 20m1 stop Kastrup Copenhagen

12:25 pm - 4:45 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

35h 20m1 stop Kastrup Copenhagen

$690Scandinavian Airlines

Recent last minute flight deals from Illinois to Barcelona

Thu, Aug 27 - Thu, Sep 3

7:45 pm - 1:30 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

22h 45m1 stop Lisbon Humberto Delgado

10:40 pm - 4:00 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

24h 20m1 stop Lisbon Humberto Delgado

$710TAP AIR PORTUGAL

Thu, Aug 27 - Thu, Sep 3

7:45 pm - 1:30 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

22h 45m1 stop Lisbon Humberto Delgado

10:40 pm - 4:00 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

24h 20m1 stop Lisbon Humberto Delgado

$722TAP AIR PORTUGAL

Sun, Aug 30 - Sat, Sep 5

7:25 pm - 9:00 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

18h 35m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

6:00 am - 4:05 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

17h 05m1 stop Lisbon Humberto Delgado

$905Multiple Airlines

Sun, Aug 30 - Sat, Sep 5

7:25 pm - 7:45 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

17h 20m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Frankfurt am Main

6:00 am - 4:05 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

17h 05m1 stop Lisbon Humberto Delgado

$955Multiple Airlines

Sat, Aug 29 - Tue, Sep 29

11:20 pm - 7:50 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

13h 30m1 stop Belgrade Nikola Tesla

9:55 am - 2:30 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

35h 35m1 stop Belgrade Nikola Tesla

$995Air Serbia

Sat, Aug 29 - Fri, Oct 2

11:20 pm - 7:50 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

13h 30m1 stop Belgrade Nikola Tesla

8:35 pm - 9:15 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

31h 40m1 stop Belgrade Nikola Tesla

$995Air Serbia

Mon, Aug 31 - Thu, Oct 1

3:40 pm - 8:00 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

33h 20m1 stop Montreal Pierre Elliott Trudeau Intl

12:15 pm - 8:12 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

14h 57m1 stop Montreal Pierre Elliott Trudeau Intl

$1,000Air Canada

Mon, Aug 31 - Wed, Sep 30

3:40 pm - 8:00 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

33h 20m1 stop Montreal Pierre Elliott Trudeau Intl

12:15 pm - 7:51 amBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

26h 36m1 stop Montreal Pierre Elliott Trudeau Intl

$1,000Air Canada

Mon, Aug 31 - Fri, Dec 18

5:56 pm - 8:00 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

31h 04m1 stop Montreal Pierre Elliott Trudeau Intl

1:35 pm - 2:52 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

32h 17m1 stop Montreal Pierre Elliott Trudeau Intl

$1,000United Airlines

Mon, Aug 31 - Fri, Dec 18

3:40 pm - 8:00 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

33h 20m1 stop Montreal Pierre Elliott Trudeau Intl

1:35 pm - 11:07 amBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

28h 32m1 stop Montreal Pierre Elliott Trudeau Intl

$1,000United Airlines

Recent direct flight deals from Illinois to Barcelona

Mon, Oct 12 - Wed, Oct 28

7:15 pm - 10:55 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 40mnonstop

11:30 am - 3:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$687Finnair

Sun, Oct 25 - Thu, Oct 29

7:00 pm - 9:35 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 35mnonstop

11:30 am - 3:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$717Iberia

Sun, Oct 25 - Wed, Oct 28

7:00 pm - 9:35 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 35mnonstop

11:30 am - 3:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$717Iberia

Mon, Oct 12 - Wed, Oct 28

7:15 pm - 10:55 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 40mnonstop

11:30 am - 3:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$725Finnair

Mon, Oct 12 - Wed, Oct 28

7:15 pm - 10:55 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 40mnonstop

11:30 am - 3:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$738American Airlines

Mon, Oct 12 - Wed, Oct 28

9:40 pm - 1:15 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 35mnonstop

3:10 pm - 7:00 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$738United Airlines

Mon, Oct 12 - Wed, Oct 28

7:15 pm - 10:55 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 40mnonstop

11:30 am - 3:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$739American Airlines

Wed, Nov 11 - Tue, Nov 24

9:50 pm - 1:15 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 25mnonstop

3:10 pm - 6:00 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$739United Airlines

Tue, Oct 13 - Tue, Oct 20

9:40 pm - 1:15 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 35mnonstop

3:15 pm - 6:00 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 45mnonstop

$749Lufthansa

Sun, Nov 1 - Wed, Nov 11

9:50 pm - 1:15 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 25mnonstop

3:10 pm - 6:00 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$759Lufthansa

Useful Info

Low season	January
High season	May
Cheapest flight	$305

Best time to beat the crowds with an average 25% drop in price.

Most popular time to fly with an average 12% increase in price.

Flight from Chicago O'Hare Airport to Barcelona-El Prat

How does KAYAK find such low prices on flights from Illinois to Barcelona?
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 Barcelona.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Barcelona?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Barcelona 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 Barcelona?
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 Barcelona 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 Barcelona?
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 Barcelona from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

El Prat de Llobregat

L'Hospitalet de Llobregat

Castelldefels

Calella

Badalona

Cambrils

Santa Susanna

Roses

Malgrat de Mar

Pineda de Mar

l'Escala

Calella de Palafrugell

Llafranc

Palafrugell

Empuriabrava

La Pineda

Pals

Manresa

Tortosa

L'Hospitalet de l'Infant

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Barcelona (BCN)

BCN

$305 Find Cheap Flights from Illinois to Barcelona - Compare and Save

Cheap Flights from Illinois to Barcelona

Recent round-trip flight deals from Illinois to Barcelona

Recent one-way flight deals from Illinois to Barcelona

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Everything you need to know for your flight to Barcelona

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