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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 5/4. 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

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Find the cheapest flights from Boise to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
10:35 am - 4:15 pm
BOI
-
BCN
21h 40m
2 stops
Lufthansa Logo
6:40 am - 10:50 pm
BCN
-
BOI
24h 10m
2 stops
$851Lufthansa
Wed, Apr 29 - Fri, May 15
Multiple Airlines Logo
9:02 am - 10:10 pm
BOI
-
BCN
29h 08m
2 stops
Multiple Airlines Logo
10:25 am - 11:58 pm
BCN
-
BOI
21h 33m
2 stops
$861Multiple Airlines
Sun, May 3 - Tue, May 19
United Airlines Logo
9:26 am - 2:55 pm
BOI
-
BCN
21h 29m
2 stops
United Airlines Logo
12:15 pm - 4:48 pm
BCN
-
BOI
36h 33m
2 stops
$868United Airlines
Wed, Apr 29 - Fri, May 15
American Airlines Logo
6:26 pm - 8:20 pm
BOI
-
BCN
17h 54m
2 stops
American Airlines Logo
10:30 am - 10:38 pm
BCN
-
BOI
20h 08m
2 stops
$871American Airlines
Sun, May 3 - Tue, May 19
United Airlines Logo
8:34 am - 1:15 pm
BOI
-
BCN
20h 41m
1 stop
United Airlines Logo
4:10 pm - 3:26 pm
BCN
-
BOI
31h 16m
1 stop
$875United Airlines
Sun, May 3 - Tue, May 19
United Airlines Logo
5:00 am - 5:55 pm
BOI
-
BCN
28h 55m
2 stops
United Airlines Logo
1:15 pm - 10:51 pm
BCN
-
BOI
41h 36m
2 stops
$879United Airlines
Wed, May 6 - Wed, May 20
Iberia Logo
6:00 am - 7:35 am
BOI
-
BCN
17h 35m
1 stop
Iberia Logo
10:45 am - 9:07 pm
BCN
-
BOI
18h 22m
1 stop
$881Iberia
Wed, Apr 29 - Fri, May 15
United Airlines Logo
8:28 am - 2:20 pm
BOI
-
BCN
21h 52m
1 stop
United Airlines Logo
3:15 pm - 9:45 am
BCN
-
BOI
26h 30m
2 stops
$886United Airlines
Wed, May 6 - Wed, May 20
United Airlines Logo
8:28 am - 2:20 pm
BOI
-
BCN
21h 52m
1 stop
United Airlines Logo
4:10 pm - 4:44 pm
BCN
-
BOI
32h 34m
1 stop
$887United Airlines
Wed, May 6 - Wed, May 20
United Airlines Logo
10:35 am - 5:55 pm
BOI
-
BCN
23h 20m
2 stops
United Airlines Logo
3:15 pm - 9:45 am
BCN
-
BOI
26h 30m
2 stops
$893United Airlines
Wed, May 6 - Wed, May 20

Lufthansa flights from Boise to Barcelona-El Prat Airport

Our best Lufthansa deals on Boise to Barcelona-El Prat Airport flight tickets
Lufthansa
Apr 29
BOI10:35 amBoise Air Term. Gowen Fld
21h 40m
2 stops
BCN4:15 pmBarcelona-El Prat
May 15
BCN6:40 amBarcelona-El Prat
24h 10m
2 stops
BOI10:50 pmBoise Air Term. Gowen Fld
$851
Lufthansa
Apr 22
BOI10:35 amBoise Air Term. Gowen Fld
23h 20m
2 stops
BCN5:55 pmBarcelona-El Prat
Apr 28
BCN6:40 amBarcelona-El Prat
22h 42m
2 stops
BOI9:22 pmBoise Air Term. Gowen Fld
$905
Lufthansa
Apr 12
BOI12:04 pmBoise Air Term. Gowen Fld
21h 51m
2 stops
BCN5:55 pmBarcelona-El Prat
Apr 22
BCN11:50 amBarcelona-El Prat
19h 12m
2 stops
BOI11:02 pmBoise Air Term. Gowen Fld
$907

Iberia flights from Boise to Barcelona-El Prat Airport

Our best Iberia deals on Boise to Barcelona-El Prat Airport flight tickets
Iberia
Apr 29
BOI6:00 amBoise Air Term. Gowen Fld
17h 35m
1 stop
BCN7:35 amBarcelona-El Prat
May 15
BCN10:45 amBarcelona-El Prat
18h 22m
1 stop
BOI9:07 pmBoise Air Term. Gowen Fld
$881
Iberia
Apr 27
BOI6:00 amBoise Air Term. Gowen Fld
17h 35m
1 stop
BCN7:35 amBarcelona-El Prat
May 7
BCN10:45 amBarcelona-El Prat
18h 22m
1 stop
BOI9:07 pmBoise Air Term. Gowen Fld
$1,008
Iberia
May 17
BOI8:38 amBoise Air Term. Gowen Fld
24h 02m
1 stop
BCN4:40 pmBarcelona-El Prat
May 24
BCN10:45 amBarcelona-El Prat
19h 44m
1 stop
BOI10:29 pmBoise Air Term. Gowen Fld
$1,170

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 April 4, 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 4/29

10:35 am-4:15 pm

2 stops21h 40m

Barcelona-El Prat

Fri 5/15

6:40 am-10:50 pm

2 stops24h 10m

$851

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 5/3

9:02 am-10:10 pm

2 stops29h 08m

Barcelona-El Prat

Tue 5/19

10:25 am-11:58 pm

2 stops21h 33m

$861

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 4/29

9:26 am-2:55 pm

2 stops21h 29m

Barcelona-El Prat

Fri 5/15

12:15 pm-4:48 pm

2 stops36h 33m

$868

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 5/3

6:26 pm-8:20 pm

2 stops17h 54m

Barcelona-El Prat

Tue 5/19

10:30 am-10:38 pm

2 stops20h 08m

$871

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 5/3

8:34 am-1:15 pm

1 stop20h 41m

Barcelona-El Prat

Tue 5/19

4:10 pm-3:26 pm

1 stop31h 16m

$875

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 5/6

5:00 am-5:55 pm

2 stops28h 55m

Barcelona-El Prat

Wed 5/20

1:15 pm-10:51 pm

2 stops41h 36m

$879
Quickest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 4/29

6:00 am-7:35 am

1 stop17h 35m

Barcelona-El Prat

Fri 5/15

10:45 am-9:07 pm

1 stop18h 22m

$881

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 5/6

8:28 am-2:20 pm

1 stop21h 52m

Barcelona-El Prat

Wed 5/20

3:15 pm-9:45 am

2 stops26h 30m

$886

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 5/6

8:28 am-2:20 pm

1 stop21h 52m

Barcelona-El Prat

Wed 5/20

4:10 pm-4:44 pm

1 stop32h 34m

$887

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 5/6

10:35 am-5:55 pm

2 stops23h 20m

Barcelona-El Prat

Wed 5/20

3:15 pm-9:45 am

2 stops26h 30m

$893

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 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.

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

You could potentially save up to 69% 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

17h 30m

Direct flights

None
The fastest flight from Boise to Barcelona-El Prat Airport takes 17h 30m
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 17h 30m, 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
3,163 reviews
Search Iberia flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,541 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,383 reviews
Search Delta flights
American AirlinesPriceFrom $634Free CancellationRating
7.1
11,554 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,891 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
Tossa de Mar
Castelldefels
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Calella
Santa Susanna
Cambrils
Cadaques
Badalona
Pals
Pineda de Mar
Empuriabrava
Roses
Palafrugell
Calella de Palafrugell
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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