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

Virgin Atlantic is the most popular carrier operating from Idaho to Barcelona-El Prat

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 51% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 3 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

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 17h 20m on average. On the other hand, flying from Boise to Barcelona-El Prat Airport takes 18h 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.

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 3 as of October 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.

$494 Cheap Flights from Idaho to Barcelona-El Prat Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Barcelona

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8:52 pm - 8:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

27h 43m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl

12:15 pm - 11:59 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

42h 44m2 stops Toronto Pearson Intl San Francisco

$732United Airlines

Sat, Mar 13 - Wed, Mar 24

8:52 pm - 8:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

27h 43m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl

12:15 pm - 11:59 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

42h 44m2 stops Toronto Pearson Intl San Francisco

$732Air Canada

Sat, Mar 13 - Wed, Mar 24

6:25 am - 9:00 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

18h 35m2 stops Denver Intl Washington, D.C. Dulles Intl

1:15 pm - 9:16 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

40h 01m2 stops Toronto Pearson Intl Denver Intl

$733United Airlines

Tue, Mar 2 - Fri, Mar 5

8:52 pm - 9:00 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

28h 08m2 stops San Francisco Washington, D.C. Dulles Intl

12:15 pm - 11:59 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

42h 44m2 stops Toronto Pearson Intl San Francisco

$733United Airlines

Sat, Mar 13 - Wed, Mar 24

11:46 am - 9:20 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

61h 34m2 stops San Francisco Toronto Pearson Intl

1:15 pm - 11:16 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

42h 01m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$742Air Canada

Sat, Feb 27 - Thu, Mar 11

11:46 am - 9:20 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

61h 34m2 stops San Francisco Toronto Pearson Intl

1:15 pm - 9:16 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

40h 01m2 stops Toronto Pearson Intl Denver Intl

$742Air Canada

Sat, Feb 27 - Thu, Mar 11

1:43 pm - 12:50 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

15h 07m1 stop Atlanta Hartsfield-Jackson

1:20 pm - 11:52 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

18h 32m1 stop Seattle/Tacoma Intl

$846Delta

Mon, Apr 12 - Fri, Jun 11

1:43 pm - 12:50 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

15h 07m1 stop Atlanta Hartsfield-Jackson

1:20 pm - 8:17 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

14h 57m1 stop Seattle/Tacoma Intl

$846Delta

Sun, Apr 11 - Fri, Jun 11

7:05 am - 1:45 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

22h 40m2 stops Dallas/Fort Worth London Heathrow

10:40 am - 10:59 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

20h 19m1 stop Dallas/Fort Worth

$1,010Iberia

Tue, Mar 2 - Fri, Mar 5

7:05 am - 1:45 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

22h 40m2 stops Dallas/Fort Worth London Heathrow

10:40 am - 10:59 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

20h 19m1 stop Dallas/Fort Worth

$1,011Iberia

Tue, Mar 2 - Fri, Mar 5

Cheap last minute flights

Enter your travel dates to find the best prices.

2:41 pm - 8:50 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

34h 09m1 stop Dallas/Fort Worth

8:55 am - 1:51 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

36h 56m1 stop Dallas/Fort Worth

$831American Airlines

Mon, Nov 2 - Tue, Nov 17

5:00 am - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

24h 15m2 stops Denver Intl Chicago O'Hare Intl

10:30 am - 10:59 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

20h 29m2 stops Washington, D.C. Dulles Intl Denver Intl

$831United Airlines

Mon, Nov 2 - Tue, Nov 17

10:34 am - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

18h 41m2 stops Denver Intl Chicago O'Hare Intl

3:10 pm - 10:51 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

15h 41m1 stop Chicago O'Hare Intl

$831United Airlines

Mon, Nov 2 - Tue, Nov 17

7:00 am - 9:00 amIDA Idaho Falls Fanning Field-BCN Barcelona-El Prat

18h 00m2 stops Denver Intl Washington, D.C. Dulles Intl

6:50 am - 9:09 pmBCN Barcelona-El Prat-IDA Idaho Falls Fanning Field

22h 19m2 stops Frankfurt am Main Denver Intl

$877United Airlines

Thu, Nov 5 - Tue, Nov 10

8:00 am - 8:50 amIDA Idaho Falls Fanning Field-BCN Barcelona-El Prat

16h 50m1 stop Dallas/Fort Worth

10:40 am - 10:59 pmBCN Barcelona-El Prat-IDA Idaho Falls Fanning Field

20h 19m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$879American Airlines

Thu, Nov 5 - Tue, Nov 10

8:00 am - 8:50 amIDA Idaho Falls Fanning Field-BCN Barcelona-El Prat

16h 50m1 stop Dallas/Fort Worth

10:40 am - 9:43 pmBCN Barcelona-El Prat-IDA Idaho Falls Fanning Field

19h 03m1 stop Dallas/Fort Worth

$879American Airlines

Thu, Nov 5 - Tue, Nov 10

6:00 am - 6:25 pmIDA Idaho Falls Fanning Field-BCN Barcelona-El Prat

28h 25m3 stops Salt Lake City Chicago O'Hare Intl Kastrup Copenhagen

7:10 pm - 9:59 pmBCN Barcelona-El Prat-IDA Idaho Falls Fanning Field

34h 49m3 stops Kastrup Copenhagen San Francisco Salt Lake City

$1,586Multiple Airlines

Thu, Nov 5 - Tue, Nov 10

7:00 am - 11:45 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

44h 45m3 stops Los Angeles Hong Kong Intl Madrid Barajas

8:00 am - 10:58 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

46h 58m3 stops Madrid Barajas Hong Kong Intl Los Angeles

$12,741Multiple Airlines

Mon, Nov 2 - Tue, Nov 17

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Delta flights from Idaho to Barcelona-El Prat Airport

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

Delta

Apr 12

BOI1:15 pmBoise Air Term. Gowen Fld

17h 35m

2 stops

BCN2:50 pmBarcelona-El Prat

Jun 11

BCN1:20 pmBarcelona-El Prat

18h 32m

1 stop

BOI11:52 pmBoise Air Term. Gowen Fld

$849

Delta

Dec 10

BOI5:15 amBoise Air Term. Gowen Fld

19h 20m

2 stops

BCN8:35 amBarcelona-El Prat

Dec 17

BCN10:35 amBarcelona-El Prat

30h 59m

2 stops

BOI9:34 amBoise Air Term. Gowen Fld

$864

Delta

Apr 15

BOI12:42 pmBoise Air Term. Gowen Fld

13h 58m

1 stop

BCN10:40 amBarcelona-El Prat

Jun 9

BCN1:20 pmBarcelona-El Prat

14h 57m

1 stop

BOI8:17 pmBoise Air Term. Gowen Fld

$896

United Airlines flights from Idaho to Barcelona-El Prat Airport

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

United Airlines

Mar 13

BOI8:52 pmBoise Air Term. Gowen Fld

27h 43m

2 stops

BCN8:35 amBarcelona-El Prat

Mar 24

BCN12:15 pmBarcelona-El Prat

42h 44m

2 stops

BOI11:59 pmBoise Air Term. Gowen Fld

$732

United Airlines

Mar 2

BOI6:25 amBoise Air Term. Gowen Fld

18h 35m

2 stops

BCN9:00 amBarcelona-El Prat

Mar 5

BCN1:15 pmBarcelona-El Prat

40h 01m

2 stops

BOI9:16 pmBoise Air Term. Gowen Fld

$733

United Airlines

Mar 13

BOI8:52 pmBoise Air Term. Gowen Fld

28h 08m

2 stops

BCN9:00 amBarcelona-El Prat

Mar 24

BCN12:15 pmBarcelona-El Prat

62h 31m

3 stops

BOI7:46 pmBoise Air Term. Gowen Fld

$755

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

BoiseBarcelona

BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat

BOIBCN

Boise Air Term. Gowen Fld

Sat 3/13

8:52 pm-8:35 am

2 stops27h 43m

Barcelona-El Prat

Wed 3/24

12:15 pm-11:59 pm

2 stops42h 44m

$732

BoiseBarcelona

BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat

BOIBCN

Boise Air Term. Gowen Fld

Sat 3/13

8:52 pm-8:35 am

2 stops27h 43m

Barcelona-El Prat

Wed 3/24

12:15 pm-11:59 pm

2 stops42h 44m

$732

BoiseBarcelona

BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat

BOIBCN

Boise Air Term. Gowen Fld

Tue 3/2

6:25 am-9:00 am

2 stops18h 35m

Barcelona-El Prat

Fri 3/5

1:15 pm-9:16 pm

2 stops40h 01m

$733

BoiseBarcelona

BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat

BOIBCN

Boise Air Term. Gowen Fld

Sat 3/13

8:52 pm-9:00 am

2 stops28h 08m

Barcelona-El Prat

Wed 3/24

12:15 pm-11:59 pm

2 stops42h 44m

$733

BoiseBarcelona

BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat

BOIBCN

Boise Air Term. Gowen Fld

Sat 2/27

11:46 am-9:20 am

2 stops61h 34m

Barcelona-El Prat

Thu 3/11

1:15 pm-11:16 pm

2 stops42h 01m

$742

BoiseBarcelona

BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat

BOIBCN

Boise Air Term. Gowen Fld

Sat 2/27

11:46 am-9:20 am

2 stops61h 34m

Barcelona-El Prat

Thu 3/11

1:15 pm-9:16 pm

2 stops40h 01m

$742

BoiseBarcelona

BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat

BOIBCN

Boise Air Term. Gowen Fld

Mon 4/12

1:43 pm-12:50 pm

1 stop15h 07m

Barcelona-El Prat

Fri 6/11

1:20 pm-11:52 pm

1 stop18h 32m

$846

Quickest round-trip

BoiseBarcelona

BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/11

1:43 pm-12:50 pm

1 stop15h 07m

Barcelona-El Prat

Fri 6/11

1:20 pm-8:17 pm

1 stop14h 57m

$846

BoiseBarcelona

BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat

BOIBCN

Boise Air Term. Gowen Fld

Tue 3/2

7:05 am-1:45 pm

2 stops22h 40m

Barcelona-El Prat

Fri 3/5

10:40 am-10:59 pm

1 stop20h 19m

$1,010

BoiseBarcelona

BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat

BOIBCN

Boise Air Term. Gowen Fld

Tue 3/2

7:05 am-1:45 pm

2 stops22h 40m

Barcelona-El Prat

Fri 3/5

10:40 am-10:59 pm

1 stop20h 19m

$1,011

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

Airlines

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 $567, 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 January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in February, still average around $674.

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

You could potentially save up to 11% 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

Best Price Found	$494
Fastest flight time	17h 20m
Direct flights	None

The best one-way flight to Barcelona-El Prat Airport from Idaho in the past 72 hours is $494. The best round-trip flight deal from Idaho to Barcelona-El Prat Airport found on momondo in the last 72 hours is $732.

The fastest flight from Idaho to Barcelona-El Prat Airport takes 17h 20m

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 3 as of October 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 3,242 reviews	Search Iberia flights
United Airlines	PriceFrom $498	Free Cancellation	Rating 7.3 10,451 reviews	Search United Airlines flights
Delta	PriceFrom $743	Free Cancellation	Rating 7.8 8,691 reviews	Search Delta flights

Sitges

Lloret de Mar

Salou

Tarragona

El Prat de Llobregat

L'Hospitalet de Llobregat

Castelldefels

Cambrils

Tossa de Mar

Calella

Badalona

Roses

Empuriabrava

Cadaques

Calella de Palafrugell

Santa Susanna

Malgrat de Mar

L'Estartit

Pals

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 $494

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 1/4. 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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Delta flights from Idaho to Barcelona-El Prat Airport

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

United Airlines flights from Idaho to Barcelona-El Prat Airport

Our best United Airlines 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.

See travel insights to Barcelona from

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

Best Price Found

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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

Traveling to a place near Barcelona?

Why use momondo?

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Barcelona

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List of cabin classes available on flights landing in Barcelona. Availability may vary depending on flight origin and airline.

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