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Cheap flights from Boise to Barcelona from $332

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 7/27. 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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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.
Iberia Logo
6:59 am - 10:10 am
BOI
-
BCN
19h 11m
1 stop
Iberia Logo
10:45 am - 9:40 pm
BCN
-
BOI
18h 55m
1 stop
$786Iberia
Mon, Aug 10 - Fri, Aug 21
Multiple Airlines Logo
6:44 am - 10:10 am
BOI
-
BCN
19h 26m
1 stop
Multiple Airlines Logo
3:35 pm - 11:26 am
BCN
-
BOI
27h 51m
2 stops
$791Multiple Airlines
Mon, Aug 10 - Fri, Aug 21
American Airlines Logo
2:55 pm - 5:05 pm
BOI
-
BCN
18h 10m
2 stops
American Airlines Logo
10:15 am - 10:17 pm
BCN
-
BOI
20h 02m
2 stops
$797American Airlines
Sun, Aug 9 - Thu, Aug 20
United Airlines Logo
8:15 am - 9:20 am
BOI
-
BCN
41h 05m
2 stops
United Airlines Logo
12:15 pm - 7:16 pm
BCN
-
BOI
39h 01m
2 stops
$811United Airlines
Wed, Sep 16 - Wed, Sep 23
American Airlines Logo
6:26 pm - 8:20 pm
BOI
-
BCN
17h 54m
2 stops
American Airlines Logo
10:45 am - 1:03 pm
BCN
-
BOI
34h 18m
1 stop
$818American Airlines
Sun, Apr 19 - Tue, May 5
Finnair Logo
1:29 pm - 10:55 am
BOI
-
BCN
13h 26m
1 stop
Finnair Logo
10:45 am - 10:38 pm
BCN
-
BOI
19h 53m
1 stop
$820Finnair
Sun, Apr 19 - Tue, May 5
Multiple Airlines Logo
6:00 am - 1:00 pm
BOI
-
BCN
23h 00m
2 stops
Multiple Airlines Logo
6:40 pm - 10:54 pm
BCN
-
BOI
36h 14m
2 stops
$821Multiple Airlines
Wed, Apr 22 - Sat, May 2
United Airlines Logo
10:35 am - 2:20 pm
BOI
-
BCN
19h 45m
1 stop
United Airlines Logo
1:15 pm - 9:25 pm
BCN
-
BOI
40h 10m
2 stops
$832United Airlines
Sun, Aug 9 - Thu, Aug 20
United Airlines Logo
6:30 am - 8:00 am
BOI
-
BCN
17h 30m
2 stops
United Airlines Logo
1:15 pm - 5:53 pm
BCN
-
BOI
36h 38m
2 stops
$835United Airlines
Mon, Aug 17 - Wed, Aug 19
American Airlines Logo
2:14 pm - 3:40 pm
BOI
-
BCN
17h 26m
2 stops
American Airlines Logo
10:15 am - 10:38 pm
BCN
-
BOI
20h 23m
2 stops
$842American Airlines
Tue, May 5 - Tue, May 12

American Airlines flights from Boise to Barcelona

Our best American Airlines deals on Boise to Barcelona flight tickets
American Airlines
Apr 19
BOI6:26 pmBoise Air Term. Gowen Fld
17h 54m
2 stops
BCN8:20 pmBarcelona-El Prat
May 5
BCN10:30 amBarcelona-El Prat
20h 08m
2 stops
BOI10:38 pmBoise Air Term. Gowen Fld
$818
American Airlines
May 5
BOI2:14 pmBoise Air Term. Gowen Fld
17h 26m
2 stops
BCN3:40 pmBarcelona-El Prat
May 12
BCN10:15 amBarcelona-El Prat
20h 23m
2 stops
BOI10:38 pmBoise Air Term. Gowen Fld
$842
American Airlines
May 5
BOI1:29 pmBoise Air Term. Gowen Fld
13h 26m
1 stop
BCN10:55 amBarcelona-El Prat
May 12
BCN10:15 amBarcelona-El Prat
20h 23m
2 stops
BOI10:38 pmBoise Air Term. Gowen Fld
$846

Finnair flights from Boise to Barcelona

Our best Finnair deals on Boise to Barcelona flight tickets
Finnair
Apr 19
BOI1:29 pmBoise Air Term. Gowen Fld
13h 26m
1 stop
BCN10:55 amBarcelona-El Prat
May 5
BCN10:45 amBarcelona-El Prat
19h 53m
1 stop
BOI10:38 pmBoise Air Term. Gowen Fld
$820
Finnair
May 5
BOI1:29 pmBoise Air Term. Gowen Fld
13h 26m
1 stop
BCN10:55 amBarcelona-El Prat
May 12
BCN10:45 amBarcelona-El Prat
19h 53m
1 stop
BOI10:38 pmBoise Air Term. Gowen Fld
$941
Finnair
Mar 25
BOI7:00 amBoise Air Term. Gowen Fld
17h 50m
1 stop
BCN7:50 amBarcelona-El Prat
Mar 27
BCN5:35 pmBarcelona-El Prat
37h 03m
2 stops
BOI11:38 pmBoise Air Term. Gowen Fld
$1,563

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Barcelona 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 March 22, 2026.
Use the filters below to find and compare flights from Boise to Barcelona 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

Mon 8/10

6:59 am-10:10 am

1 stop19h 11m

Barcelona-El Prat

Fri 8/21

10:45 am-9:40 pm

1 stop18h 55m

$786

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 8/10

6:44 am-10:10 am

1 stop19h 26m

Barcelona-El Prat

Fri 8/21

3:35 pm-11:26 am

2 stops27h 51m

$791

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

2:55 pm-5:05 pm

2 stops18h 10m

Barcelona-El Prat

Thu 8/20

10:15 am-10:17 pm

2 stops20h 02m

$797

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 9/16

8:15 am-9:20 am

2 stops41h 05m

Barcelona-El Prat

Wed 9/23

12:15 pm-7:16 pm

2 stops39h 01m

$811

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/19

6:26 pm-8:20 pm

2 stops17h 54m

Barcelona-El Prat

Tue 5/5

10:45 am-1:03 pm

1 stop34h 18m

$818
Quickest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/19

1:29 pm-10:55 am

1 stop13h 26m

Barcelona-El Prat

Tue 5/5

10:45 am-10:38 pm

1 stop19h 53m

$820

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 4/22

6:00 am-1:00 pm

2 stops23h 00m

Barcelona-El Prat

Sat 5/2

6:40 pm-10:54 pm

2 stops36h 14m

$821

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

10:35 am-2:20 pm

1 stop19h 45m

Barcelona-El Prat

Thu 8/20

1:15 pm-9:25 pm

2 stops40h 10m

$832

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 8/17

6:30 am-8:00 am

2 stops17h 30m

Barcelona-El Prat

Wed 8/19

1:15 pm-5:53 pm

2 stops36h 38m

$835

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 5/5

2:14 pm-3:40 pm

2 stops17h 26m

Barcelona-El Prat

Tue 5/12

10:15 am-10:38 pm

2 stops20h 23m

$842

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

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?

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 $484. 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 $583.

Cheap Boise to Barcelona flight deals and tips

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

Fastest flight time

13h 26m

Direct flights

None
The fastest flight from Boise to Barcelona takes 13h 26m
There are no direct flights from Boise to Barcelona. There are no popular flight routes from Boise to Barcelona.
Search flight deals

  • 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 13h 26m.

  • 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?

  • 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
IberiaPriceFrom $483Free CancellationRating
7.0
3,146 reviews
Search Iberia flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,453 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,315 reviews
Search Delta flights
American AirlinesPriceFrom $634Free CancellationRating
7.1
11,490 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,828 reviews
Search Air Canada 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.

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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
Barcelona-El Prat Airport
Girona Costa Brava Airport