What is the cheapest airline that flies from Boise Air Term. Gowen Fld to Barcelona?

American Airlines, Lufthansa, and United Airlines are the most popular carriers operating from Boise Air Term. Gowen Fld to Barcelona

What airlines fly to Barcelona?

United Airlines, Delta and Iberia are the top three most popular airlines that fly to Barcelona from Boise according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 4 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Barcelona?

Prices for flights from Boise Air Term. Gowen Fld Airport to Barcelona refresh daily.

How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Barcelona?

As of August 2026, there are 4 operators available to choose from for flights from Boise Air Term. Gowen Fld Airport to Barcelona.

How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Barcelona?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$408 Cheap Flights from Boise to Barcelona in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to Barcelona

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7:00 am - 10:10 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

19h 10m1 stop Dallas/Fort Worth

10:40 am - 10:29 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

18h 49m1 stop Dallas/Fort Worth

$724Finnair

Mon, Oct 12 - Wed, Oct 28

6:25 am - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

22h 50m2 stops Denver Intl Chicago O'Hare Intl

10:30 am - 9:52 amBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

30h 22m2 stops Washington, D.C. Dulles Intl Denver Intl

$734United Airlines

Mon, Oct 12 - Wed, Oct 28

6:25 am - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

22h 50m2 stops Denver Intl Chicago O'Hare Intl

3:10 pm - 11:31 amBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

27h 21m1 stop Chicago O'Hare Intl

$734United Airlines

Mon, Oct 12 - Wed, Oct 28

7:10 pm - 9:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

30h 25m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl

1:35 pm - 11:31 amBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

29h 56m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$735Multiple Airlines

Sat, Nov 7 - Wed, Nov 18

5:30 am - 8:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

19h 05m2 stops Minneapolis St Paul Boston Logan Intl

1:20 pm - 9:54 amBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

28h 34m1 stop Seattle/Tacoma Intl

$737Delta

Mon, Sep 28 - Wed, Oct 14

5:30 am - 8:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

19h 05m2 stops Minneapolis St Paul Boston Logan Intl

6:20 am - 5:14 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

18h 54m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$742Delta

Mon, Sep 28 - Wed, Oct 14

7:00 am - 8:50 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

17h 50m1 stop Dallas/Fort Worth

10:40 am - 10:42 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

20h 02m1 stop Dallas/Fort Worth

$796Iberia

Sat, Nov 7 - Wed, Nov 18

7:00 am - 7:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

16h 35m1 stop Dallas/Fort Worth

10:40 am - 10:42 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

20h 02m1 stop Dallas/Fort Worth

$853Iberia

Sat, Nov 7 - Wed, Nov 18

5:00 am - 9:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

20h 35m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

1:35 pm - 1:45 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

32h 10m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl

$866Air Canada

Thu, Nov 19 - Thu, Nov 26

6:30 am - 9:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

19h 05m3 stops Denver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

1:35 pm - 1:45 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

32h 10m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Denver Intl

$913Air Canada

Wed, Nov 11 - Thu, Nov 26

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United Airlines flights from Boise to Barcelona

Our best United Airlines deals on Boise to Barcelona flight tickets

United Airlines

Oct 11

BOI6:50 pmBoise Air Term. Gowen Fld

35h 30m

1 stop

BCN2:20 pmBarcelona-El Prat

Oct 21

BCN1:15 pmBarcelona-El Prat

54h 13m

2 stops

BOI11:28 amBoise Air Term. Gowen Fld

$742

United Airlines

Oct 13

BOI12:26 pmBoise Air Term. Gowen Fld

16h 49m

1 stop

BCN1:15 pmBarcelona-El Prat

Oct 20

BCN6:40 amBarcelona-El Prat

25h 19m

2 stops

BOI11:59 pmBoise Air Term. Gowen Fld

$750

United Airlines

Oct 11

BOI5:00 amBoise Air Term. Gowen Fld

20h 00m

2 stops

BCN9:00 amBarcelona-El Prat

Oct 21

BCN11:15 amBarcelona-El Prat

18h 20m

2 stops

BOI9:35 pmBoise Air Term. Gowen Fld

$751

KLM flights from Boise to Barcelona

Our best KLM deals on Boise to Barcelona flight tickets

KLM

Oct 11

BOI1:40 pmBoise Air Term. Gowen Fld

15h 10m

1 stop

BCN12:50 pmBarcelona-El Prat

Oct 21

BCN1:20 pmBarcelona-El Prat

16h 48m

1 stop

BOI10:08 pmBoise Air Term. Gowen Fld

$746

KLM

Oct 11

BOI1:40 pmBoise Air Term. Gowen Fld

15h 10m

1 stop

BCN12:50 pmBarcelona-El Prat

Oct 21

BCN1:20 pmBarcelona-El Prat

16h 48m

1 stop

BOI10:08 pmBoise Air Term. Gowen Fld

$803

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

Mon 10/12

7:00 am-10:10 am

1 stop19h 10m

Barcelona-El Prat

Wed 10/28

10:40 am-10:29 pm

1 stop18h 49m

$724

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Mon 10/12

6:25 am-1:15 pm

2 stops22h 50m

Barcelona-El Prat

Wed 10/28

10:30 am-9:52 am

2 stops30h 22m

$734

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Mon 10/12

6:25 am-1:15 pm

2 stops22h 50m

Barcelona-El Prat

Wed 10/28

3:10 pm-11:31 am

1 stop27h 21m

$734

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Sat 11/7

7:10 pm-9:35 am

2 stops30h 25m

Barcelona-El Prat

Wed 11/18

1:35 pm-11:31 am

2 stops29h 56m

$735

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Mon 9/28

5:30 am-8:35 am

2 stops19h 05m

Barcelona-El Prat

Wed 10/14

1:20 pm-9:54 am

1 stop28h 34m

$737

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Mon 9/28

5:30 am-8:35 am

2 stops19h 05m

Barcelona-El Prat

Wed 10/14

6:20 am-5:14 pm

2 stops18h 54m

$742

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Sat 11/7

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Wed 11/18

10:40 am-10:42 pm

1 stop20h 02m

$796

Quickest round-trip

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Sat 11/7

7:00 am-7:35 am

1 stop16h 35m

Barcelona-El Prat

Wed 11/18

10:40 am-10:42 pm

1 stop20h 02m

$853

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Thu 11/19

5:00 am-9:35 am

2 stops20h 35m

Barcelona-El Prat

Thu 11/26

1:35 pm-1:45 pm

2 stops32h 10m

$866

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Wed 11/11

6:30 am-9:35 am

3 stops19h 05m

Barcelona-El Prat

Thu 11/26

1:35 pm-1:45 pm

3 stops32h 10m

$913

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 Boise to Barcelona

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

What is the cheapest month to fly to Barcelona?

The month of February is, on average, the cheapest month to fly to Barcelona from Boise, with most prices found around $504. If you don’t want to visit Barcelona in February, then you should wait until January to fly from Boise, when ticket prices are also cheap, with an average price of $674.

Cheap Boise to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Barcelona

Best Price Found	$408
Fastest flight time	14h 39m
Direct flights	None

The best one-way flight to Barcelona from Boise in the past 72 hours is $408. The best round-trip flight deal from Boise to Barcelona found on momondo in the last 72 hours is $724.

The fastest flight from Boise to Barcelona takes 14h 39m

There are no direct flights from Boise to Barcelona. There are no popular flight routes from Boise to Barcelona.

Search flight deals

Frequently asked questions about flying from Boise to Barcelona

How far is Boise Air Term. Gowen Fld to Barcelona by plane?
The straight-line distance from Boise Air Term. Gowen Fld to Barcelona is 5426.4 mi. By plane, this route typically takes 14h 39m.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Barcelona?
Prices for flights from Boise Air Term. Gowen Fld Airport to Barcelona refresh daily.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Barcelona?
As of August 2026, there are 4 operators available to choose from for flights from Boise Air Term. Gowen Fld Airport to Barcelona.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Barcelona?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Boise to Barcelona

Compare and see reviews for airlines that fly from Boise to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $483	Free Cancellation	Rating 7.0 3,247 reviews	Search Iberia flights
United Airlines	PriceFrom $498	Free Cancellation	Rating 7.4 10,145 reviews	Search United Airlines flights
Delta	PriceFrom $599	Free Cancellation	Rating 7.8 8,533 reviews	Search Delta flights
Air Canada	PriceFrom $856	Free Cancellation	Rating 7.1 11,560 reviews	Search Air Canada flights

Why use momondo?

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

Finding the right flight to Barcelona from Boise is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Barcelona quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Barcelona from Boise with this policy.

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

momondo helps you find the best flight between Boise and Barcelona by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Boise to Barcelona flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly into one of these airports located in Barcelona

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Cheap flights from Boise to Barcelona from $408

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Barcelona departing on 10/13. 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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United Airlines flights from Boise to Barcelona

Our best United Airlines deals on Boise to Barcelona flight tickets

KLM flights from Boise to Barcelona

Our best KLM deals on Boise to Barcelona flight tickets

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How to get the cheapest flight ticket from Boise to Barcelona

What is the cheapest month to fly to Barcelona?

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to Barcelona?

What airlines fly to Barcelona?

Cheap Boise to Barcelona flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Boise to Barcelona

Best airlines flying from Boise to Barcelona

Compare and see reviews for airlines that fly from Boise to Barcelona with momondo

Why use momondo?

An easier way to manage your Barcelona 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 Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona

Fly your favorite airline to Barcelona

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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