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Cheap flights from Boise to Barcelona from $383

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 11/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:27 pm - 4:30 pm
BOI
-
BCN
19h 03m
2 stops
American Airlines Logo
12:00 pm - 11:59 pm
BCN
-
BOI
19h 59m
2 stops
$770American Airlines
Wed, Nov 11 - Thu, Nov 26
Delta Logo
5:55 pm - 8:40 am
BOI
-
BCN
30h 45m
2 stops
Delta Logo
10:30 am - 11:55 pm
BCN
-
BOI
21h 25m
2 stops
$773Delta
Tue, Dec 1 - Wed, Jan 13
American Airlines Logo
7:00 am - 7:35 am
BOI
-
BCN
16h 35m
1 stop
American Airlines Logo
12:00 pm - 11:59 pm
BCN
-
BOI
19h 59m
2 stops
$773American Airlines
Wed, Nov 11 - Thu, Nov 26
Delta Logo
11:35 pm - 8:35 am
BOI
-
BCN
25h 00m
2 stops
Delta Logo
10:30 am - 11:55 pm
BCN
-
BOI
21h 25m
2 stops
$773Delta
Mon, Nov 30 - Wed, Jan 13
United Airlines Logo
12:37 pm - 1:15 pm
BOI
-
BCN
16h 38m
1 stop
United Airlines Logo
3:10 pm - 11:31 am
BCN
-
BOI
28h 21m
1 stop
$775United Airlines
Wed, Nov 11 - Thu, Nov 26
United Airlines Logo
12:37 pm - 1:15 pm
BOI
-
BCN
16h 38m
1 stop
United Airlines Logo
6:50 am - 11:33 pm
BCN
-
BOI
24h 43m
2 stops
$776United Airlines
Mon, Nov 16 - Fri, Nov 27
Iberia Logo
7:00 am - 10:10 am
BOI
-
BCN
19h 10m
1 stop
Iberia Logo
10:40 am - 10:29 pm
BCN
-
BOI
18h 49m
1 stop
$779Iberia
Tue, Oct 20 - Wed, Oct 28
Iberia Logo
7:00 am - 2:45 pm
BOI
-
BCN
23h 45m
2 stops
Iberia Logo
9:15 pm - 10:03 pm
BCN
-
BOI
32h 48m
2 stops
$781Iberia
Tue, Dec 1 - Mon, Dec 7
Air Canada Logo
2:20 pm - 8:00 am
BOI
-
BCN
33h 40m
2 stops
Air Canada Logo
12:35 pm - 9:52 am
BCN
-
BOI
28h 17m
2 stops
$814Air Canada
Tue, Oct 20 - Wed, Oct 28
Air Canada Logo
6:20 am - 9:35 am
BOI
-
BCN
19h 15m
2 stops
Air Canada Logo
1:35 pm - 9:43 am
BCN
-
BOI
28h 08m
2 stops
$830Air Canada
Wed, Dec 2 - Sat, Jan 9

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United Airlines flights from Boise to Barcelona-El Prat Airport

Our best United Airlines deals on Boise to Barcelona-El Prat Airport flight tickets
United Airlines
Sep 21
BOI11:50 amBoise Air Term. Gowen Fld
18h 30m
1 stop
BCN2:20 pmBarcelona-El Prat
Oct 2
BCN12:15 pmBarcelona-El Prat
37h 28m
2 stops
BOI5:43 pmBoise Air Term. Gowen Fld
$788
United Airlines
Sep 21
BOI7:05 pmBoise Air Term. Gowen Fld
28h 55m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 2
BCN12:15 pmBarcelona-El Prat
42h 18m
2 stops
BOI10:33 pmBoise Air Term. Gowen Fld
$791
United Airlines
Sep 21
BOI11:50 amBoise Air Term. Gowen Fld
18h 30m
1 stop
BCN2:20 pmBarcelona-El Prat
Oct 1
BCN1:15 pmBarcelona-El Prat
30h 13m
2 stops
BOI11:28 amBoise Air Term. Gowen Fld
$792

Delta flights from Boise to Barcelona-El Prat Airport

Our best Delta deals on Boise to Barcelona-El Prat Airport flight tickets
Delta
Sep 20
BOI11:10 pmBoise Air Term. Gowen Fld
29h 40m
1 stop
BCN12:50 pmBarcelona-El Prat
Oct 2
BCN1:20 pmBarcelona-El Prat
17h 14m
1 stop
BOI10:34 pmBoise Air Term. Gowen Fld
$814
Delta
Sep 19
BOI6:45 amBoise Air Term. Gowen Fld
20h 25m
1 stop
BCN11:10 amBarcelona-El Prat
Oct 1
BCN11:00 amBarcelona-El Prat
19h 00m
1 stop
BOI10:00 pmBoise Air Term. Gowen Fld
$858
Delta
Sep 18
BOI3:28 pmBoise Air Term. Gowen Fld
17h 42m
2 stops
BCN5:10 pmBarcelona-El Prat
Sep 30
BCN1:20 pmBarcelona-El Prat
17h 14m
1 stop
BOI10:34 pmBoise Air Term. Gowen Fld
$862

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Barcelona-El Prat Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2026.
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

Cheapest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 11/11

1:27 pm-4:30 pm

2 stops19h 03m

Barcelona-El Prat

Thu 11/26

12:00 pm-11:59 pm

2 stops19h 59m

$770

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 12/1

5:55 pm-8:40 am

2 stops30h 45m

Barcelona-El Prat

Wed 1/13

10:30 am-11:55 pm

2 stops21h 25m

$773
Quickest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 11/11

7:00 am-7:35 am

1 stop16h 35m

Barcelona-El Prat

Thu 11/26

12:00 pm-11:59 pm

2 stops19h 59m

$773

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 11/30

11:35 pm-8:35 am

2 stops25h 00m

Barcelona-El Prat

Wed 1/13

10:30 am-11:55 pm

2 stops21h 25m

$773

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 11/11

12:37 pm-1:15 pm

1 stop16h 38m

Barcelona-El Prat

Thu 11/26

3:10 pm-11:31 am

1 stop28h 21m

$775

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 11/16

12:37 pm-1:15 pm

1 stop16h 38m

Barcelona-El Prat

Fri 11/27

6:50 am-11:33 pm

2 stops24h 43m

$776

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 10/20

7:00 am-10:10 am

1 stop19h 10m

Barcelona-El Prat

Wed 10/28

10:40 am-10:29 pm

1 stop18h 49m

$779

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 12/1

7:00 am-2:45 pm

2 stops23h 45m

Barcelona-El Prat

Mon 12/7

9:15 pm-10:03 pm

2 stops32h 48m

$781

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 10/20

2:20 pm-8:00 am

2 stops33h 40m

Barcelona-El Prat

Wed 10/28

12:35 pm-9:52 am

2 stops28h 17m

$814

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 12/2

6:20 am-9:35 am

2 stops19h 15m

Barcelona-El Prat

Sat 1/9

1:35 pm-9:43 am

2 stops28h 08m

$830

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Barcelona from

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?

The cheapest month to fly to Barcelona-El Prat Airport from Boise is in February. Flight prices, which tend to average around $504, 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 November instead. Flights to Barcelona-El Prat Airport in November, while not as cheap as those in February, still average around $672.

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

You could potentially save up to 40% 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

Fastest flight time

16h 41m

Direct flights

None
The fastest flight from Boise to Barcelona-El Prat Airport takes 16h 41m
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

Frequently asked questions about flying from Boise to Barcelona-El Prat Airport

  • 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 41m, 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?

  • 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?

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
IberiaPriceFrom $483Free CancellationRating
7.0
3,261 reviews
Search Iberia flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
10,050 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.8
8,488 reviews
Search Delta flights
Air CanadaPriceFrom $856Free CancellationRating
7.1
11,406 reviews
Search Air Canada flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tarragona
Castelldefels
El Prat de Llobregat
L'Hospitalet de Llobregat
Tossa de Mar
Calella
Cambrils
Cadaques
Roses
Badalona
Santa Susanna
Empuriabrava
Calella de Palafrugell
Pals
Palafrugell
Malgrat de Mar
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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