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 49% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 3 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 November 2026, there are 3 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.

$349 Cheap Flights from Boise to Barcelona in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:08 pm - 9:20 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

57h 12m2 stops San Francisco Toronto Pearson Intl

1:15 pm - 7:46 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

38h 31m2 stops Toronto Pearson Intl San Francisco

$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

4:08 pm - 8:20 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

32h 12m2 stops San Francisco Newark

1:15 pm - 10:01 amBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

52h 46m2 stops Toronto Pearson Intl Denver Intl

$749United Airlines

Mon, Mar 1 - Thu, Mar 4

5:30 pm - 8:20 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

30h 50m2 stops Denver Intl Newark

1:15 pm - 1:38 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

56h 23m2 stops Toronto Pearson Intl Denver Intl

$749United Airlines

Mon, Mar 1 - Thu, Mar 4

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

10:30 am - 1:38 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

34h 08m2 stops Washington, D.C. Dulles Intl Denver Intl

$808Lufthansa

Sat, Mar 13 - Wed, Mar 24

7:00 am - 9:00 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

18h 00m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

11:50 am - 9:27 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

41h 37m2 stops Munich Franz Josef Strauss Denver Intl

$809United Airlines

Tue, Dec 1 - Mon, Dec 7

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

19h 10m1 stop Dallas/Fort Worth

10:45 am - 10:38 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

19h 53m1 stop Dallas/Fort Worth

$859Iberia

Thu, Apr 22 - Sat, May 1

7:05 am - 2:20 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

23h 15m2 stops Dallas/Fort Worth Madrid Barajas

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

20h 19m1 stop Dallas/Fort Worth

$899Iberia

Sat, Feb 27 - Thu, Mar 11

11:10 pm - 10:45 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

27h 35m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:07 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

24h 07m2 stops Paris Charles de Gaulle Los Angeles

$1,283Delta

Tue, Dec 22 - Tue, Dec 29

11:10 pm - 8:40 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

25h 30m1 stop Atlanta Hartsfield-Jackson

1:20 pm - 10:00 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

16h 40m1 stop Atlanta Hartsfield-Jackson

$1,903Delta

Tue, Dec 22 - Tue, Dec 29

Cheap last minute flights

Enter your travel dates to find the best prices.

6:30 am - 9:00 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

18h 30m2 stops Denver Intl Washington, D.C. Dulles Intl

3:10 pm - 4:42 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

33h 32m2 stops Chicago O'Hare Intl San Francisco

$844United Airlines

Wed, Nov 11 - Thu, Nov 26

12:31 pm - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

16h 44m1 stop Chicago O'Hare Intl

3:10 pm - 9:15 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

38h 05m2 stops Chicago O'Hare Intl San Francisco

$844United Airlines

Wed, Nov 11 - Thu, Nov 26

12:31 pm - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

16h 44m1 stop Chicago O'Hare Intl

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

28h 21m1 stop Chicago O'Hare Intl

$846United Airlines

Wed, Nov 11 - Thu, Nov 26

12:31 pm - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

16h 44m1 stop Chicago O'Hare Intl

6:50 am - 11:19 amBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

36h 29m2 stops Frankfurt am Main San Francisco

$848United Airlines

Wed, Nov 11 - Thu, Nov 26

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

6:50 am - 9:15 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

46h 25m2 stops Frankfurt am Main San Francisco

$851United Airlines

Wed, Nov 11 - Thu, Nov 26

8:28 am - 9:00 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

16h 32m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

6:50 am - 11:19 amBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

36h 29m2 stops Frankfurt am Main San Francisco

$852United Airlines

Wed, Nov 11 - Thu, Nov 26

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

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

6:50 am - 4:42 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

41h 52m2 stops Frankfurt am Main San Francisco

$852United Airlines

Wed, Nov 11 - Thu, Nov 26

6:20 am - 9:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

19h 15m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl

1:35 pm - 4:42 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

35h 07m3 stops Montreal Pierre Elliott Trudeau Intl Boston Logan Intl San Francisco

$1,168Multiple Airlines

Wed, Nov 11 - Thu, Nov 26

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 - 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

$1,186Multiple Airlines

Wed, Nov 11 - Thu, Nov 26

6:20 am - 9:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

19h 15m2 stops San Francisco 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

$1,243Multiple Airlines

Wed, Nov 11 - Thu, Nov 26

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Lufthansa flights from Boise to Barcelona

Our best Lufthansa deals on Boise to Barcelona flight tickets

Lufthansa

Mar 13

BOI8:52 pmBoise Air Term. Gowen Fld

28h 08m

2 stops

BCN9:00 amBarcelona-El Prat

Mar 24

BCN10:30 amBarcelona-El Prat

34h 08m

2 stops

BOI1:38 pmBoise Air Term. Gowen Fld

$808

Lufthansa

Mar 13

BOI8:52 pmBoise Air Term. Gowen Fld

28h 08m

2 stops

BCN9:00 amBarcelona-El Prat

Mar 24

BCN6:50 amBarcelona-El Prat

18h 23m

2 stops

BOI6:13 pmBoise Air Term. Gowen Fld

$811

Lufthansa

Feb 27

BOI6:00 amBoise Air Term. Gowen Fld

25h 20m

1 stop

BCN3:20 pmBarcelona-El Prat

Mar 11

BCN6:50 amBarcelona-El Prat

25h 09m

2 stops

BOI11:59 pmBoise Air Term. Gowen Fld

$960

United Airlines flights from Boise to Barcelona

Our best United Airlines deals on Boise to Barcelona flight tickets

United Airlines

Mar 15

BOI2:43 pmBoise Air Term. Gowen Fld

19h 52m

2 stops

BCN5:35 pmBarcelona-El Prat

Mar 18

BCN12:15 pmBarcelona-El Prat

40h 01m

2 stops

BOI9:16 pmBoise Air Term. Gowen Fld

$735

United Airlines

Mar 17

BOI7:00 amBoise Air Term. Gowen Fld

18h 20m

2 stops

BCN8:20 amBarcelona-El Prat

Mar 23

BCN10:30 amBarcelona-El Prat

34h 08m

2 stops

BOI1:38 pmBoise Air Term. Gowen Fld

$737

United Airlines

Mar 13

BOI6:55 pmBoise Air Term. Gowen Fld

30h 05m

2 stops

BCN9:00 amBarcelona-El Prat

Mar 18

BCN12:15 pmBarcelona-El Prat

40h 01m

2 stops

BOI9:16 pmBoise Air Term. Gowen Fld

$744

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 2/27

4:08 pm-9:20 am

2 stops57h 12m

Barcelona-El Prat

Thu 3/11

1:15 pm-7:46 pm

2 stops38h 31m

$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 3/1

4:08 pm-8:20 am

2 stops32h 12m

Barcelona-El Prat

Thu 3/4

1:15 pm-10:01 am

2 stops52h 46m

$749

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/1

5:30 pm-8:20 am

2 stops30h 50m

Barcelona-El Prat

Thu 3/4

1:15 pm-1:38 pm

2 stops56h 23m

$749

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

10:30 am-1:38 pm

2 stops34h 08m

$808

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Tue 12/1

7:00 am-9:00 am

2 stops18h 00m

Barcelona-El Prat

Mon 12/7

11:50 am-9:27 pm

2 stops41h 37m

$809

Quickest round-trip

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Thu 4/22

7:00 am-10:10 am

1 stop19h 10m

Barcelona-El Prat

Sat 5/1

10:45 am-10:38 pm

1 stop19h 53m

$859

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Sat 2/27

7:05 am-2:20 pm

2 stops23h 15m

Barcelona-El Prat

Thu 3/11

10:40 am-10:59 pm

1 stop20h 19m

$899

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Tue 12/22

11:10 pm-10:45 am

1 stop27h 35m

Barcelona-El Prat

Tue 12/29

6:00 am-10:07 pm

2 stops24h 07m

$1,283

BoiseBarcelona

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

BOIBCN

Boise Air Term. Gowen Fld

Tue 12/22

11:10 pm-8:40 am

1 stop25h 30m

Barcelona-El Prat

Tue 12/29

1:20 pm-10:00 pm

1 stop16h 40m

$1,903

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 $567. 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	$349
Fastest flight time	16h 44m
Direct flights	None

The best one-way flight to Barcelona from Boise in the past 72 hours is $349. The best round-trip flight deal from Boise to Barcelona found on momondo in the last 72 hours is $742.

The fastest flight from Boise to Barcelona takes 16h 44m

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 16h 44m.
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 November 2026, there are 3 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 3,235 reviews	Search Iberia flights
United Airlines	PriceFrom $498	Free Cancellation	Rating 7.3 10,469 reviews	Search United Airlines flights
Delta	PriceFrom $743	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 12/8

Tue 12/15

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Nearby airports

Airlines

Other Spain destinations

Other flights from Boise

Complete your trip

Feeling lucky

Fly into one of these airports located in Barcelona

Barcelona-El Prat Airport

Girona Costa Brava Airport

Cheap flights from Boise to Barcelona from $349

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 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Boise to Barcelona

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Lufthansa flights from Boise to Barcelona

Our best Lufthansa deals on Boise to Barcelona flight tickets

United Airlines flights from Boise to Barcelona

Our best United Airlines deals on Boise to Barcelona flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Boise to Barcelona that are best for you.

See travel insights to Barcelona from

How to get the cheapest flight ticket from Boise to Barcelona

What is the cheapest month to fly 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

Popular cities in Spain

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

Fly to other destinations from Boise

According to popular flight searches on momondo this year

Complete your trip to Barcelona

Explore popular destinations other users love

According to popular flight searches on momondo this year