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.

$276 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

Sun, Nov 1 - Fri, Nov 13

8:10 pm - 11:45 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

20h 35m1 stop Lisbon Humberto Delgado

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

15h 45m1 stop Lisbon Humberto Delgado

$598TAP AIR PORTUGAL

Wed, Feb 3 - Wed, Feb 17

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

$598TAP AIR PORTUGAL

Sat, Oct 17 - Fri, Oct 23

11:20 pm - 9:10 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

26h 50m1 stop Belgrade Nikola Tesla

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

31h 40m1 stop Belgrade Nikola Tesla

$637Air Serbia

Wed, Nov 11 - Wed, Nov 18

6:30 pm - 11:40 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

22h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

7:10 am - 5:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

17h 10m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

$646Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

6:30 pm - 11:40 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

22h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

7:10 am - 5:20 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

17h 10m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

$650Multiple Airlines

Sun, Jan 3 - Thu, Jan 14

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

$653Icelandair

Sun, Jan 3 - 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

$654Icelandair

Thu, Jan 21 - Wed, Feb 10

11:45 am - 5:15 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

22h 30m1 stop Istanbul

6:20 pm - 10:00 amBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

22h 40m1 stop Istanbul

$669Turkish Airlines

Tue, Oct 20 - Thu, Nov 5

8:10 pm - 11:15 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

20h 05m1 stop Istanbul

6:30 pm - 11:00 amBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

23h 30m1 stop Istanbul

$728Turkish Airlines

Sat, Oct 10 - Sat, Oct 17

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

$814Air Serbia

Recent last minute flight deals from Illinois to Barcelona

Sun, Aug 23 - Wed, Dec 2

6:00 pm - 1:30 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

24h 30m1 stop Lisbon Humberto Delgado

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

15h 45m1 stop Lisbon Humberto Delgado

$624TAP AIR PORTUGAL

Sun, Aug 23 - Fri, Aug 28

6:00 pm - 1:30 amORD Chicago O'Hare Intl-BCN Barcelona-El Prat

24h 30m1 stop Lisbon Humberto Delgado

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

17h 00m1 stop Lisbon Humberto Delgado

$702TAP AIR PORTUGAL

Mon, Aug 24 - Wed, Sep 2

11:01 am - 10:10 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

28h 09m2 stops Boston Logan Intl Frankfurt am Main

8:00 am - 7:26 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

18h 26m2 stops Frankfurt am Main Boston Logan Intl

$748Multiple Airlines

Mon, Aug 24 - Wed, Sep 2

11:01 am - 10:10 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

28h 09m2 stops Boston Logan Intl Frankfurt am Main

8:00 am - 7:26 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

18h 26m2 stops Frankfurt am Main Boston Logan Intl

$758Multiple Airlines

Sat, Aug 22 - Mon, Aug 31

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

$871Icelandair

Sat, Aug 22 - Sat, Aug 29

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

$873Icelandair

Mon, Aug 24 - Fri, Sep 4

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

15h 55m1 stop Kastrup Copenhagen

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

28h 10m1 stop Kastrup Copenhagen

$903Scandinavian Airlines

Tue, Aug 25 - Tue, Sep 1

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

15h 55m1 stop Kastrup Copenhagen

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

28h 10m1 stop Kastrup Copenhagen

$920Scandinavian Airlines

Sun, Aug 23 - Sun, Aug 30

7:05 pm - 2:05 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

12h 00m1 stop Zurich

9:40 am - 3:55 pmBCN Barcelona-El Prat-ORD Chicago O'Hare Intl

13h 15m1 stop Zurich

$943SWISS

Mon, Aug 24 - Wed, Sep 2

2:20 pm - 5:45 pmORD Chicago O'Hare Intl-BCN Barcelona-El Prat

20h 25m1 stop Zurich

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

23h 35m1 stop Zurich

$974SWISS

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

$685Finnair

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

$690Finnair

Wed, Oct 14 - Wed, Oct 21

7:10 pm - 10:45 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

$722Iberia

Wed, Oct 14 - Thu, Oct 22

7:10 pm - 10:45 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

$722Iberia

Sun, Oct 18 - Wed, Nov 25

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

8h 35mnonstop

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

9h 50mnonstop

$738Lufthansa

Mon, Oct 5 - 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

$738United Airlines

Sun, Nov 1 - Fri, Nov 13

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

$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

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

$740American Airlines

Sun, Nov 1 - Fri, Nov 13

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

$788Lufthansa

Useful Info

Low season	January
High season	May
Cheapest flight	$276

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

Empuriabrava

La Pineda

Palafrugell

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

$276 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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Everything you need to know for your flight to Barcelona

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

Find direct flights for Barcelona

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