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

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

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 56% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 6 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 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 6 operators available for flights from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport as of February 2026.

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.

$374 Cheap Flights from Boise to Barcelona-El Prat Airport in 2026

Q: What is the typical price of a round-trip flight between Boise and Barcelona-El Prat Airport?

Prices are currently low for flights on this route. Typical prices usually range from $483 to $567. The lowest price recently found on this route was $471.

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Find the cheapest flights from Boise to Barcelona

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:55 pm - 8:20 am

BOI

BCN

30h 25m

2 stops

12:35 pm - 10:56 pm

BCN

BOI

41h 21m

2 stops

$471United Airlines

Mon, Mar 9 - Mon, Mar 16

9:26 am - 8:00 am

BOI

BCN

38h 34m

2 stops

1:15 pm - 9:17 pm

BCN

BOI

40h 02m

2 stops

$475United Airlines

Tue, Apr 14 - Wed, Apr 29

5:29 pm - 10:25 pm

BOI

BCN

20h 56m

2 stops

1:15 pm - 9:22 pm

BCN

BOI

40h 07m

2 stops

$479United Airlines

Sun, Apr 12 - Wed, Apr 22

2:37 pm - 8:20 am

BOI

BCN

33h 43m

2 stops

1:15 pm - 9:22 pm

BCN

BOI

40h 07m

2 stops

$481United Airlines

Sun, Apr 12 - Wed, Apr 22

6:26 pm - 8:20 pm

BOI

BCN

17h 54m

2 stops

10:45 am - 10:54 pm

BCN

BOI

20h 09m

1 stop

$483American Airlines

Sun, Apr 12 - Wed, Apr 22

6:26 pm - 8:20 pm

BOI

BCN

17h 54m

2 stops

10:45 am - 10:54 pm

BCN

BOI

20h 09m

1 stop

$484American Airlines

Sun, Apr 12 - Wed, Apr 22

1:40 pm - 12:50 pm

BOI

BCN

15h 10m

1 stop

11:00 am - 10:28 pm

BCN

BOI

19h 28m

1 stop

$486Multiple Airlines

Sun, Apr 12 - Wed, Apr 22

1:40 pm - 12:50 pm

BOI

BCN

15h 10m

1 stop

11:00 am - 10:28 pm

BCN

BOI

19h 28m

1 stop

$487KLM

Sun, Apr 12 - Wed, Apr 22

6:26 pm - 8:20 pm

BOI

BCN

17h 54m

2 stops

10:30 am - 11:41 pm

BCN

BOI

21h 11m

2 stops

$488American Airlines

Sun, Apr 12 - Wed, Apr 22

1:52 pm - 5:10 pm

BOI

BCN

19h 18m

2 stops

11:00 am - 10:28 pm

BCN

BOI

19h 28m

1 stop

$491Delta

Tue, Apr 14 - Wed, Apr 29

Delta flights from Boise to Barcelona-El Prat Airport

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

Delta

Apr 14

BOI1:52 pmBoise Air Term. Gowen Fld

19h 18m

2 stops

BCN5:10 pmBarcelona-El Prat

Apr 29

BCN11:00 amBarcelona-El Prat

19h 28m

1 stop

BOI10:28 pmBoise Air Term. Gowen Fld

$491

Delta

Apr 21

BOI11:35 pmBoise Air Term. Gowen Fld

29h 15m

1 stop

BCN12:50 pmBarcelona-El Prat

May 4

BCN6:20 amBarcelona-El Prat

24h 40m

2 stops

BOI11:00 pmBoise Air Term. Gowen Fld

$548

Delta

Feb 23

BOI7:15 pmBoise Air Term. Gowen Fld

29h 25m

2 stops

BCN8:40 amBarcelona-El Prat

Mar 19

BCN9:30 amBarcelona-El Prat

19h 55m

2 stops

BOI10:25 pmBoise Air Term. Gowen Fld

$691

Air Europa flights from Boise to Barcelona-El Prat Airport

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

Air Europa

Mar 10

BOI11:30 pmBoise Air Term. Gowen Fld

25h 05m

1 stop

BCN7:35 amBarcelona-El Prat

Mar 17

BCN9:45 amBarcelona-El Prat

19h 40m

1 stop

BOI10:25 pmBoise Air Term. Gowen Fld

$594

Air Europa

Mar 8

BOI11:30 pmBoise Air Term. Gowen Fld

25h 05m

1 stop

BCN7:35 amBarcelona-El Prat

Mar 16

BCN9:45 amBarcelona-El Prat

19h 40m

1 stop

BOI10:25 pmBoise Air Term. Gowen Fld

$620

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

Mon 3/9

6:55 pm-8:20 am

2 stops30h 25m

Barcelona-El Prat

Mon 3/16

12:35 pm-10:56 pm

2 stops41h 21m

$471

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 4/14

9:26 am-8:00 am

2 stops38h 34m

Barcelona-El Prat

Wed 4/29

1:15 pm-9:17 pm

2 stops40h 02m

$475

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

5:29 pm-10:25 pm

2 stops20h 56m

Barcelona-El Prat

Wed 4/22

1:15 pm-9:22 pm

2 stops40h 07m

$479

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

2:37 pm-8:20 am

2 stops33h 43m

Barcelona-El Prat

Wed 4/22

1:15 pm-9:22 pm

2 stops40h 07m

$481

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

6:26 pm-8:20 pm

2 stops17h 54m

Barcelona-El Prat

Wed 4/22

10:45 am-10:54 pm

1 stop20h 09m

$483

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

6:26 pm-8:20 pm

2 stops17h 54m

Barcelona-El Prat

Wed 4/22

10:45 am-10:54 pm

1 stop20h 09m

$484

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

1:40 pm-12:50 pm

1 stop15h 10m

Barcelona-El Prat

Wed 4/22

11:00 am-10:28 pm

1 stop19h 28m

$486

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

1:40 pm-12:50 pm

1 stop15h 10m

Barcelona-El Prat

Wed 4/22

11:00 am-10:28 pm

1 stop19h 28m

$487

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

6:26 pm-8:20 pm

2 stops17h 54m

Barcelona-El Prat

Wed 4/22

10:30 am-11:41 pm

2 stops21h 11m

$488

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 4/14

1:52 pm-5:10 pm

2 stops19h 18m

Barcelona-El Prat

Wed 4/29

11:00 am-10:28 pm

1 stop19h 28m

$491

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-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 typical price of a round-trip flight between Boise and Barcelona-El Prat Airport?

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 February. Flight prices, which tend to average around $484, 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 Boise during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in February, still average around $583.

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

Fastest flight time	17h 10m
Direct flights	None

The fastest flight from Boise to Barcelona-El Prat Airport takes 17h 10m

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 17h 10m, 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 6 operators available for flights from Boise Air Term. Gowen Fld Airport to Barcelona-El Prat Airport as of February 2026.
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 48% of the total bookings. Other popular airlines include Delta with 18%, American Airlines with 12%, 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
Iberia	PriceFrom $483	Free Cancellation	Rating 7.0 3,110 reviews	Search Iberia flights
United Airlines	PriceFrom $552	Free Cancellation	Rating 7.4 9,260 reviews	Search United Airlines flights
Delta	PriceFrom $599	Free Cancellation	Rating 7.9 8,175 reviews	Search Delta flights
Finnair	PriceFrom $637	Free Cancellation	Rating 7.6 1,359 reviews	Search Finnair flights
American Airlines	PriceFrom $641	Free Cancellation	Rating 7.2 11,258 reviews	Search American Airlines flights
Air Canada	PriceFrom $651	Free Cancellation	Rating 7.1 10,699 reviews	Search Air Canada flights

Lloret de Mar

Sitges

Salou

Tossa de Mar

Tarragona

Castelldefels

El Prat de Llobregat

L'Hospitalet de Llobregat

Santa Susanna

Calella

Cadaques

Cambrils

Empuriabrava

Pals

Roses

Pineda de Mar

Badalona

Malgrat de Mar

Palafrugell

Tortosa

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 $374

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 4/20. 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

Air Europa flights from Boise to Barcelona-El Prat Airport

Our best Air Europa 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.

See travel insights to Barcelona from

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

What is the typical price of a round-trip flight between Boise and Barcelona-El Prat Airport?

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

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

Lufthansa and United Airlines 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

Fastest flight time

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

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