What airlines fly to Barcelona-El Prat Airport?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Barcelona-El Prat Airport from Boise 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 5 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

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

Delta, United Airlines, and Air Canada are the most popular carriers operating from Boise Air Term. Gowen Fld to Barcelona-El Prat

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

Prices for flights from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport were last updated today.

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

There are 5 operators available for flights from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport as of November 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport.

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

The required travel and health documents for your Barcelona-El Prat Airport 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-El Prat Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$412 Cheap Flights from Boise to Barcelona-El Prat Airport in 2025/26

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Cheap round-trip flights

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5:20 am - 8:00 amBOI-BCN

18h 40m2 stops

10:15 am - 11:04 amBCN-BOI

32h 49m2 stops

$438Delta

Find Deal

Tue, Dec 2 - Tue, Dec 9

9:00 am - 3:00 pmBOI-BCN

22h 00m2 stops

10:15 am - 11:04 amBCN-BOI

32h 49m2 stops

$457Delta

Find Deal

Wed, Dec 3 - Wed, Dec 10

5:40 am - 8:00 amBOI-BCN

18h 20m2 stops

10:15 am - 9:56 amBCN-BOI

31h 41m2 stops

$463Delta

Find Deal

Fri, Feb 20 - Fri, Feb 27

3:21 pm - 5:55 pmBOI-BCN

18h 34m2 stops

10:40 am - 7:25 pmBCN-BOI

16h 45m1 stop

$480American Airlines

Find Deal

Sat, Jan 24 - Mon, Feb 2

7:20 am - 8:50 amBOI-BCN

17h 30m1 stop

10:40 am - 7:25 pmBCN-BOI

16h 45m1 stop

$484Finnair

Find Deal

Sat, Jan 24 - Mon, Feb 2

6:25 am - 1:00 pmBOI-BCN

22h 35m2 stops

9:55 am - 9:11 pmBCN-BOI

43h 16m2 stops

$527United Airlines

Find Deal

Mon, Feb 16 - Sun, Feb 22

10:40 am - 9:35 amBOI-BCN

38h 55m2 stops

9:55 am - 6:09 pmBCN-BOI

40h 14m2 stops

$555United Airlines

Find Deal

Sat, Nov 15 - Sat, Nov 22

1:24 pm - 1:40 pmBOI-BCN

16h 16m2 stops

10:40 am - 9:15 pmBCN-BOI

17h 35m1 stop

$717American Airlines

Find Deal

Fri, Mar 6 - Sat, Mar 14

7:31 am - 10:10 amBOI-BCN

18h 39m1 stop

10:45 am - 9:07 pmBCN-BOI

18h 22m1 stop

$732Finnair

Find Deal

Tue, Apr 21 - Tue, Apr 28

6:15 am - 9:35 amBOI-BCN

19h 20m3 stops

1:35 pm - 11:39 amBCN-BOI

30h 04m3 stops

$829Air Canada

Find Deal

Sat, Nov 15 - Sat, Nov 22

Delta flights from Boise to Barcelona-El Prat Airport

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

Delta

Dec 2

BOI5:20 amBoise Air Term. Gowen Fld

18h 40m

2 stops

BCN8:00 amBarcelona-El Prat

Dec 9

BCN10:15 amBarcelona-El Prat

32h 49m

2 stops

BOI11:04 amBoise Air Term. Gowen Fld

$438

Find similar

Delta

Dec 3

BOI9:00 amBoise Air Term. Gowen Fld

22h 00m

2 stops

BCN3:00 pmBarcelona-El Prat

Dec 10

BCN10:15 amBarcelona-El Prat

32h 49m

2 stops

BOI11:04 amBoise Air Term. Gowen Fld

$457

Find similar

Delta

Nov 12

BOI5:35 amBoise Air Term. Gowen Fld

25h 25m

2 stops

BCN3:00 pmBarcelona-El Prat

Nov 19

BCN10:55 amBarcelona-El Prat

33h 44m

1 stop

BOI12:39 pmBoise Air Term. Gowen Fld

$458

Find similar

American Airlines flights from Boise to Barcelona-El Prat Airport

Our best American Airlines deals on Boise to Barcelona-El Prat Airport flight tickets

American Airlines

Jan 24

BOI3:21 pmBoise Air Term. Gowen Fld

18h 34m

2 stops

BCN5:55 pmBarcelona-El Prat

Feb 2

BCN10:40 amBarcelona-El Prat

16h 45m

1 stop

BOI7:25 pmBoise Air Term. Gowen Fld

$480

Find similar

American Airlines

Mar 6

BOI1:24 pmBoise Air Term. Gowen Fld

16h 16m

2 stops

BCN1:40 pmBarcelona-El Prat

Mar 14

BCN10:40 amBarcelona-El Prat

17h 35m

1 stop

BOI9:15 pmBoise Air Term. Gowen Fld

$717

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 12/2

5:20 am-8:00 am

2 stops18h 40m

Barcelona-El Prat

Tue 12/9

10:15 am-11:04 am

2 stops32h 49m

$438

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 12/3

9:00 am-3:00 pm

2 stops22h 00m

Barcelona-El Prat

Wed 12/10

10:15 am-11:04 am

2 stops32h 49m

$457

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

5:40 am-8:00 am

2 stops18h 20m

Barcelona-El Prat

Fri 2/27

10:15 am-9:56 am

2 stops31h 41m

$463

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sat 1/24

3:21 pm-5:55 pm

2 stops18h 34m

Barcelona-El Prat

Mon 2/2

10:40 am-7:25 pm

1 stop16h 45m

$480

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sat 1/24

7:20 am-8:50 am

1 stop17h 30m

Barcelona-El Prat

Mon 2/2

10:40 am-7:25 pm

1 stop16h 45m

$484

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

6:25 am-1:00 pm

2 stops22h 35m

Barcelona-El Prat

Sun 2/22

9:55 am-9:11 pm

2 stops43h 16m

$527

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sat 11/15

10:40 am-9:35 am

2 stops38h 55m

Barcelona-El Prat

Sat 11/22

9:55 am-6:09 pm

2 stops40h 14m

$555

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 3/6

1:24 pm-1:40 pm

2 stops16h 16m

Barcelona-El Prat

Sat 3/14

10:40 am-9:15 pm

1 stop17h 35m

$717

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 4/21

7:31 am-10:10 am

1 stop18h 39m

Barcelona-El Prat

Tue 4/28

10:45 am-9:07 pm

1 stop18h 22m

$732

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sat 11/15

6:15 am-9:35 am

3 stops19h 20m

Barcelona-El Prat

Sat 11/22

1:35 pm-11:39 am

3 stops30h 04m

$829

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boise 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

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

The cheapest month to fly to Barcelona-El Prat Airport from Boise is in November. Flight prices, which tend to average around $631, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from Boise during February instead. Flights to Barcelona-El Prat Airport in February, while not as cheap as those in November, still average around $634.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Sunday when prices can be found for as low as $813. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,459. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Boise in the evening is the least expensive time of day to depart. momondo users have found prices as low as $842 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,010 on average. Flights to Barcelona-El Prat Airport from Boise in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 3% on your flight if you consider stops on a Boise to Barcelona-El Prat Airport flight.

When to book flights from Boise to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boise to Barcelona-El Prat Airport (BOI to BCN) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Boise Air Term. Gowen Fld to Barcelona-El Prat by plane?
There are 5427.8 mi between Boise Air Term. Gowen Fld and Barcelona-El Prat. Flights usually cover this in 16h 16m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport?
Prices for flights from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport were last updated today.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport?
There are 5 operators available for flights from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport as of November 2025.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport.
What documentation or ID do you need to fly to Barcelona-El Prat Airport?
The required travel and health documents for your Barcelona-El Prat Airport 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-El Prat Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Boise to Barcelona-El Prat Airport?
Based on momondo bookings for flights between Boise and Barcelona-El Prat Airport, the leading airline is United Airlines, making up 49% of the total bookings. Other popular airlines include Delta with 19%, American Airlines with 16%, and Air Canada with 8%.

Best airlines flying from Boise to Barcelona-El Prat Airport

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $552	Free Cancellation	Rating 7.4 9,002 reviews	Search United Airlines flights
Finnair	PriceFrom $637	Free Cancellation	Rating 7.6 1,335 reviews	Search Finnair flights
American Airlines	PriceFrom $641	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Air Canada	PriceFrom $651	Free Cancellation	Rating 7.1 10,403 reviews	Search Air Canada flights
Delta	PriceFrom $726	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights

Lloret de Mar

Sitges

Salou

Tossa de Mar

Castelldefels

El Prat de Llobregat

L'Hospitalet de Llobregat

Tarragona

Santa Susanna

Cambrils

Cadaques

Empuriabrava

Pineda de Mar

Roses

Badalona

Calella

Pals

Palafrugell

Tortosa

La Pineda

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?

Flights from Boise to Barcelona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Boise to Barcelona flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Barcelona from Boise are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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

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Cheap flights from Boise to Barcelona from $438

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Barcelona departing on 12/2. 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 Boise to Barcelona-El Prat Airport

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

American Airlines flights from Boise to Barcelona-El Prat Airport

Our best American Airlines deals on Boise to Barcelona-El Prat Airport flight tickets

momondo Fare Finder

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

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How to get the cheapest flight ticket from Boise 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

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

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

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

You could potentially save up to 3% on your flight if you consider stops on a Boise to Barcelona-El Prat Airport flight.

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

Delta, United Airlines, and Air Canada are the most popular carriers operating from Boise Air Term. Gowen Fld to Barcelona-El Prat

What airlines fly to Barcelona-El Prat Airport?

When to book flights from Boise to Barcelona-El Prat Airport

Cheap Boise to Barcelona-El Prat Airport (BOI to BCN) flight deals and tips

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

Direct flights

How far is Boise Air Term. Gowen Fld to Barcelona-El Prat by plane?

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

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

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

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

What is the most popular airline from Boise to Barcelona-El Prat Airport?

Best airlines flying from Boise to Barcelona-El Prat Airport

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

Traveling to a place near Barcelona?

Why use momondo?

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

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

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

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

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

Popular cities in Spain

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