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.

$339 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

Mon, Oct 26 - Mon, Nov 9

4:55 pm - 10:50 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

11h 55m1 stop Dublin

11:30 am - 6:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

13h 50m1 stop Dublin

$624Aer Lingus

Fri, Nov 13 - Tue, Nov 24

8:10 pm - 8:20 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

17h 10m1 stop Lisbon Humberto Delgado

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

25h 20m1 stop Lisbon Humberto Delgado

$626TAP AIR PORTUGAL

Sun, Nov 29 - Sat, Dec 12

8:10 pm - 8:20 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

17h 10m1 stop Lisbon Humberto Delgado

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

25h 20m1 stop Lisbon Humberto Delgado

$627TAP AIR PORTUGAL

Sat, Jan 30 - Thu, Mar 18

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

19h 20m1 stop Belgrade Nikola Tesla

9:55 am - 3:45 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

35h 50m1 stop Belgrade Nikola Tesla

$632Air Serbia

Sat, Feb 13 - Wed, Apr 21

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

11h 45m1 stop Reykjavik Keflavik Intl

3:45 pm - 9:25 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

12h 40m1 stop Reykjavik Keflavik Intl

$633Icelandair

Thu, Nov 5 - Sun, Nov 15

6:30 pm - 12:45 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

23h 15m2 stops Reykjavik Keflavik Intl Rome Fiumicino

10:00 pm - 5:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

26h 20m2 stops Rome Fiumicino Reykjavik Keflavik Intl

$633Multiple Airlines

Sun, Feb 7 - Wed, Apr 21

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

34h 00m1 stop Reykjavik Keflavik Intl

3:45 pm - 9:25 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

12h 40m1 stop Reykjavik Keflavik Intl

$635Icelandair

Wed, Nov 11 - Sun, Nov 15

6:30 pm - 9:15 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

19h 45m2 stops Reykjavik Keflavik Intl Rome Fiumicino

10:00 pm - 5:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

26h 20m2 stops Rome Fiumicino Reykjavik Keflavik Intl

$639Multiple Airlines

Sat, Oct 10 - 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

$733Air Serbia

Fri, Oct 9 - Tue, Oct 20

9:00 pm - 10:30 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

18h 30m1 stop Dublin

11:10 pm - 2:00 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

21h 50m1 stop Dublin

$769Aer Lingus

Recent last minute flight deals from Illinois to Barcelona

Sat, Sep 5 - Wed, Sep 9

6:05 pm - 2:00 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

12h 55m1 stop Lisbon Humberto Delgado

10:40 pm - 12:40 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

21h 00m1 stop Lisbon Humberto Delgado

$810TAP AIR PORTUGAL

Wed, Sep 2 - Tue, Sep 8

2:20 pm - 8:50 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

11h 30m1 stop Zurich

2:55 pm - 12:35 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

28h 40m1 stop Zurich

$874SWISS

Sat, Sep 5 - Tue, Sep 8

6:05 pm - 2:00 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

12h 55m1 stop Lisbon Humberto Delgado

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

24h 20m1 stop Lisbon Humberto Delgado

$875TAP AIR PORTUGAL

Wed, Sep 2 - Wed, Sep 9

2:20 pm - 8:50 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

11h 30m1 stop Zurich

11:50 am - 6:15 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

13h 25m1 stop Munich Franz Josef Strauss

$899Multiple Airlines

Sat, Sep 5 - Fri, Sep 11

10:25 pm - 2:45 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

33h 20m1 stop Reykjavik Keflavik Intl

3:45 pm - 9:25 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

12h 40m1 stop Reykjavik Keflavik Intl

$902Icelandair

Sun, Sep 6 - Mon, Sep 14

7:05 pm - 5:50 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

15h 45m1 stop Zurich

6:40 am - 12:55 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

13h 15m1 stop Frankfurt am Main

$905Multiple Airlines

Sun, Sep 6 - Mon, Sep 14

2:20 pm - 8:50 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

11h 30m1 stop Zurich

8:00 pm - 12:35 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

23h 35m1 stop Zurich

$906SWISS

Sun, Sep 6 - Thu, Sep 10

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

15h 55m1 stop Kastrup Copenhagen

12:50 pm - 4:10 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

34h 20m2 stops Stockholm Arlanda Kastrup Copenhagen

$960Scandinavian Airlines

Sun, Sep 6 - Wed, Sep 9

7:15 pm - 5:55 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

39h 40m2 stops Kastrup Copenhagen Stockholm Arlanda

7:00 pm - 4:10 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

28h 10m1 stop Kastrup Copenhagen

$960Scandinavian Airlines

Sat, Sep 5 - Fri, Sep 11

10:25 pm - 2:45 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

33h 20m1 stop Reykjavik Keflavik Intl

3:45 pm - 9:25 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

12h 40m1 stop Reykjavik Keflavik Intl

$967Icelandair

Recent direct flight deals from Illinois to Barcelona

Mon, Sep 28 - Wed, Oct 14

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

$706United Airlines

Mon, Sep 28 - Wed, Oct 14

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

$708United Airlines

Mon, Oct 12 - Thu, Oct 22

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

8h 40mnonstop

12:20 pm - 3:10 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$712Finnair

Wed, Oct 21 - Wed, Oct 28

7:10 pm - 10:45 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

$712Iberia

Mon, Sep 28 - Wed, Oct 14

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

$714Lufthansa

Mon, Nov 9 - Wed, Nov 18

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

$722Lufthansa

Sun, Oct 18 - Thu, Oct 22

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

8h 40mnonstop

12:20 pm - 3:10 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$739Iberia

Mon, Oct 12 - Fri, Oct 23

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

8h 40mnonstop

12:20 pm - 3:10 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$740British Airways

Sun, Oct 11 - Fri, Oct 23

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

8h 40mnonstop

12:20 pm - 3:10 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$740British Airways

Tue, Sep 29 - Tue, Oct 6

7:20 pm - 10:55 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

8h 35mnonstop

12:20 pm - 3:10 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

9h 50mnonstop

$809Finnair

Useful Info

Low season	January
High season	May
Cheapest flight	$339

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 St. Louis to Barcelona

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

Everything you need to know for your flight to Barcelona

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Barcelona (BCN)

BCN

$339 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

Recent last minute flight deals from Illinois to Barcelona

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FAQs for booking Illinois to Barcelona flights

Traveling to a place near Barcelona?

Everything you need to know for your flight to Barcelona

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Cabin class types available on flights to Barcelona

Complete your trip to Barcelona with a hotel stay or car rental

Find direct flights for Barcelona

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Choose which airport to fly into in Barcelona

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