What is the cheapest airline that flies from Idaho to Barcelona-El Prat?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Idaho to Barcelona-El Prat

How long does it take to fly to Barcelona-El Prat Airport?

Flight times vary depending on what airport in Idaho you fly out of and what airport in Barcelona-El Prat Airport you fly into. For example, flying from Idaho Falls to Barcelona-El Prat Airport takes 14h 04m on average. On the other hand, flying from Boise to Barcelona-El Prat Airport takes 16h 20m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Barcelona-El Prat Airport?

United Airlines, Delta and Iberia are the top three most popular airlines that fly to Barcelona-El Prat Airport from Idaho according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 4 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Idaho to Barcelona-El Prat Airport?

Prices for flights from Idaho to Barcelona-El Prat Airport were last updated today.

How many operators does momondo search for flights from Idaho to Barcelona-El Prat Airport?

The number of operators available for flights from Idaho to Barcelona-El Prat Airport is 4 as of July 2026.

How old do you have to be to fly from Idaho to Barcelona-El Prat Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Barcelona-El Prat Airport.

What documentation or ID do you need to fly to Barcelona-El Prat Airport?

The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$360 Cheap Flights from Idaho to Barcelona-El Prat Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 9:35 am

GEG

BCN

19h 35m

2 stops

1:35 pm - 12:18 pm

BCN

GEG

31h 43m

2 stops

$752Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

6:00 am - 7:35 am

GEG

BCN

16h 35m

1 stop

10:40 am - 8:40 pm

BCN

GEG

19h 00m

1 stop

$769Iberia

Wed, Nov 4 - Wed, Nov 18

2:14 pm - 4:30 pm

GEG

BCN

17h 16m

2 stops

10:40 am - 8:40 pm

BCN

GEG

19h 00m

1 stop

$770American Airlines

Wed, Nov 4 - Wed, Nov 18

12:19 pm - 3:40 pm

BOI

BCN

19h 21m

2 stops

10:40 am - 10:29 pm

BCN

BOI

18h 49m

1 stop

$770Iberia

Tue, Oct 20 - Wed, Oct 28

7:00 am - 10:10 am

BOI

BCN

19h 10m

1 stop

10:40 am - 10:29 pm

BCN

BOI

18h 49m

1 stop

$774Finnair

Tue, Oct 20 - Wed, Oct 28

10:45 pm - 8:40 am

GEG

BCN

24h 55m

1 stop

10:50 am - 9:37 pm

BCN

GEG

19h 47m

1 stop

$774Delta

Tue, Dec 8 - Tue, Dec 15

1:21 pm - 2:40 pm

JAC

BCN

17h 19m

2 stops

12:00 pm - 1:02 pm

BCN

JAC

33h 02m

2 stops

$775American Airlines

Wed, Nov 4 - Wed, Jan 20

10:45 pm - 8:40 am

GEG

BCN

24h 55m

1 stop

10:50 am - 9:22 am

BCN

GEG

31h 32m

2 stops

$778Delta

Tue, Dec 8 - Tue, Dec 15

4:25 pm - 8:20 am

JAC

BCN

31h 55m

2 stops

10:30 am - 9:02 pm

BCN

JAC

18h 32m

2 stops

$778United Airlines

Sun, Nov 15 - Thu, Nov 26

10:35 am - 1:15 pm

IDA

BCN

18h 40m

2 stops

10:30 am - 9:53 am

BCN

IDA

31h 23m

2 stops

$778United Airlines

Sun, Nov 15 - Tue, Nov 24

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KLM flights from Idaho to Barcelona-El Prat Airport

Our best KLM deals on Idaho to Barcelona-El Prat Airport flight tickets

KLM

Sep 22

BOI10:34 amBoise Air Term. Gowen Fld

16h 36m

1 stop

BCN11:10 amBarcelona-El Prat

Oct 1

BCN11:00 amBarcelona-El Prat

19h 00m

1 stop

BOI10:00 pmBoise Air Term. Gowen Fld

$808

KLM

Oct 5

GEG11:10 amSpokane

16h 20m

2 stops

BCN12:30 pmBarcelona-El Prat

Oct 17

BCN6:20 amBarcelona-El Prat

19h 38m

2 stops

GEG4:58 pmSpokane

$905

Lufthansa flights from Idaho to Barcelona-El Prat Airport

Our best Lufthansa deals on Idaho to Barcelona-El Prat Airport flight tickets

Lufthansa

Nov 15

GEG11:22 amSpokane

16h 53m

1 stop

BCN1:15 pmBarcelona-El Prat

Nov 24

BCN3:10 pmBarcelona-El Prat

30h 08m

1 stop

GEG12:18 pmSpokane

$830

Lufthansa

Oct 20

BOI2:20 pmBoise Air Term. Gowen Fld

16h 00m

1 stop

BCN2:20 pmBarcelona-El Prat

Oct 28

BCN3:10 pmBarcelona-El Prat

27h 31m

1 stop

BOI11:41 amBoise Air Term. Gowen Fld

$832

Lufthansa

Nov 19

JAC2:40 pmJackson Hole

17h 50m

2 stops

BCN4:30 pmBarcelona-El Prat

Nov 23

BCN6:20 pmBarcelona-El Prat

34h 42m

2 stops

JAC9:02 pmJackson Hole

$870

momondo Fare Finder

Use the filters below to find and compare flights from Idaho to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Wed 11/4

5:00 am-9:35 am

2 stops19h 35m

Barcelona-El Prat

Wed 11/18

1:35 pm-12:18 pm

2 stops31h 43m

$752

Quickest round-trip

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Wed 11/4

6:00 am-7:35 am

1 stop16h 35m

Barcelona-El Prat

Wed 11/18

10:40 am-8:40 pm

1 stop19h 00m

$769

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Wed 11/4

2:14 pm-4:30 pm

2 stops17h 16m

Barcelona-El Prat

Wed 11/18

10:40 am-8:40 pm

1 stop19h 00m

$770

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 10/20

12:19 pm-3:40 pm

2 stops19h 21m

Barcelona-El Prat

Wed 10/28

10:40 am-10:29 pm

1 stop18h 49m

$770

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 10/20

7:00 am-10:10 am

1 stop19h 10m

Barcelona-El Prat

Wed 10/28

10:40 am-10:29 pm

1 stop18h 49m

$774

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Tue 12/8

10:45 pm-8:40 am

1 stop24h 55m

Barcelona-El Prat

Tue 12/15

10:50 am-9:37 pm

1 stop19h 47m

$774

JacksonBarcelona

JAC - BCN

JACBCN

Jackson Hole

Wed 11/4

1:21 pm-2:40 pm

2 stops17h 19m

Barcelona-El Prat

Wed 1/20

12:00 pm-1:02 pm

2 stops33h 02m

$775

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Tue 12/8

10:45 pm-8:40 am

1 stop24h 55m

Barcelona-El Prat

Tue 12/15

10:50 am-9:22 am

2 stops31h 32m

$778

JacksonBarcelona

JAC - BCN

JACBCN

Jackson Hole

Sun 11/15

4:25 pm-8:20 am

2 stops31h 55m

Barcelona-El Prat

Thu 11/26

10:30 am-9:02 pm

2 stops18h 32m

$778

Idaho FallsBarcelona

IDA - BCN

IDABCN

Idaho Falls Fanning Field

Sun 11/15

10:35 am-1:15 pm

2 stops18h 40m

Barcelona-El Prat

Tue 11/24

10:30 am-9:53 am

2 stops31h 23m

$778

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Barcelona-El Prat Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

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Other information

What is the cheapest month to fly to Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Idaho is in February. Flight prices, which tend to average around $504, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Barcelona-El Prat Airport from Idaho during November instead. Flights to Barcelona-El Prat Airport in November, while not as cheap as those in February, still average around $672.

Can stopping save me money on Idaho to Barcelona-El Prat Airport flights?

You could potentially save up to 58% on your flight if you consider stops on a Idaho to Barcelona-El Prat Airport flight.

Cheap Idaho to Barcelona-El Prat Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Barcelona-El Prat Airport

Fastest flight time	14h 04m
Direct flights	None

The fastest flight from Idaho to Barcelona-El Prat Airport takes 14h 04m

There are no direct flights from Idaho to Barcelona-El Prat Airport. There are no popular flight routes from Idaho to Barcelona-El Prat Airport.

Search flight deals

Frequently asked questions about flying from Idaho to Barcelona-El Prat Airport

When did momondo last update prices for flights from Idaho to Barcelona-El Prat Airport?
Prices for flights from Idaho to Barcelona-El Prat Airport were last updated today.
How many operators does momondo search for flights from Idaho to Barcelona-El Prat Airport?
The number of operators available for flights from Idaho to Barcelona-El Prat Airport is 4 as of July 2026.
How old do you have to be to fly from Idaho to Barcelona-El Prat Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Barcelona-El Prat Airport.
What documentation or ID do you need to fly to Barcelona-El Prat Airport?
The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Idaho to Barcelona-El Prat Airport with momondo

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $483	Free Cancellation	Rating 7.0 3,257 reviews	Search Iberia flights
United Airlines	PriceFrom $498	Free Cancellation	Rating 7.4 10,041 reviews	Search United Airlines flights
Delta	PriceFrom $599	Free Cancellation	Rating 7.8 8,489 reviews	Search Delta flights
Air Canada	PriceFrom $856	Free Cancellation	Rating 7.1 11,387 reviews	Search Air Canada flights

Lloret de Mar

Sitges

Salou

Tarragona

Castelldefels

El Prat de Llobregat

L'Hospitalet de Llobregat

Tossa de Mar

Calella

Cambrils

Cadaques

Roses

Badalona

Santa Susanna

Empuriabrava

Calella de Palafrugell

Pals

Palafrugell

Malgrat de Mar

La Pineda

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Barcelona?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Barcelona from Idaho.

Can I find flights from Idaho to Barcelona with flexible booking policies on momondo?

momondo does allow users to show only those flights to Barcelona from Idaho which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Idaho to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from Idaho.

I’m not ready to book a flight from Idaho to Barcelona right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Barcelona, momondo offers a useful price alert feature which will track prices for flights to Barcelona from Idaho and alert you when they change.

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Cheap flights from Idaho to Barcelona from $360

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Barcelona departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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KLM flights from Idaho to Barcelona-El Prat Airport

Our best KLM deals on Idaho to Barcelona-El Prat Airport flight tickets

Lufthansa flights from Idaho to Barcelona-El Prat Airport

Our best Lufthansa deals on Idaho to Barcelona-El Prat Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Idaho to Barcelona-El Prat Airport that are best for you.

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How to get the cheapest flight ticket from Idaho to Barcelona-El Prat Airport

What is the cheapest month to fly to Barcelona-El Prat Airport?

Can stopping save me money on Idaho to Barcelona-El Prat Airport flights?

What is the cheapest airline that flies from Idaho to Barcelona-El Prat?

What airlines fly to Barcelona-El Prat Airport?

How long does it take to fly to Barcelona-El Prat Airport?

Cheap Idaho to Barcelona-El Prat Airport flight deals and tips

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Direct flights

Frequently asked questions about flying from Idaho to Barcelona-El Prat Airport

Best airlines flying from Idaho to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Idaho to Barcelona-El Prat Airport with momondo

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Why use momondo?

An easier way to manage your Barcelona-El Prat Airport trip

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