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Cheap flights from Boise to Barcelona from $357

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 10/12. 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.
Finnair Logo
1:18 pm - 10:35 am
BOI
-
BCN
13h 17m
1 stop
Finnair Logo
10:45 am - 10:17 pm
BCN
-
BOI
19h 32m
1 stop
$769Finnair
mar., sept. 22 - mar., sept. 29
American Airlines Logo
2:57 pm - 6:25 pm
BOI
-
BCN
19h 28m
2 stops
American Airlines Logo
10:15 am - 10:17 pm
BCN
-
BOI
20h 02m
2 stops
$782American Airlines
dim., oct. 11 - mar., oct. 20
American Airlines Logo
6:44 am - 10:10 am
BOI
-
BCN
19h 26m
1 stop
American Airlines Logo
10:15 am - 10:17 pm
BCN
-
BOI
20h 02m
2 stops
$785American Airlines
dim., oct. 11 - mar., oct. 20
Finnair Logo
1:18 pm - 10:50 pm
BOI
-
BCN
25h 32m
2 stops
Finnair Logo
10:45 am - 10:17 pm
BCN
-
BOI
19h 32m
1 stop
$796Finnair
mar., sept. 22 - mar., sept. 29
Iberia Logo
6:44 am - 10:10 am
BOI
-
BCN
19h 26m
1 stop
Iberia Logo
2:50 pm - 9:05 pm
BCN
-
BOI
62h 15m
2 stops
$797Iberia
dim., oct. 11 - lun., oct. 19
Iberia Logo
2:55 pm - 9:20 pm
BOI
-
BCN
22h 25m
2 stops
Iberia Logo
2:50 pm - 9:05 pm
BCN
-
BOI
62h 15m
2 stops
$807Iberia
dim., oct. 11 - lun., oct. 19
Air Canada Logo
7:01 pm - 8:00 am
BOI
-
BCN
28h 59m
2 stops
Air Canada Logo
12:15 pm - 9:31 pm
BCN
-
BOI
17h 16m
2 stops
$810Air Canada
mar., sept. 22 - mar., sept. 29
United Airlines Logo
5:00 am - 8:00 am
BOI
-
BCN
19h 00m
2 stops
United Airlines Logo
6:50 am - 9:16 pm
BCN
-
BOI
21h 26m
2 stops
$811United Airlines
mer., oct. 14 - mar., oct. 27
American Airlines Logo
3:04 pm - 6:25 pm
BOI
-
BCN
19h 21m
2 stops
American Airlines Logo
10:45 am - 10:20 pm
BCN
-
BOI
19h 35m
1 stop
$833American Airlines
dim., août 9 - jeu., août 20
Iberia Logo
12:10 pm - 10:10 am
BOI
-
BCN
14h 00m
1 stop
Iberia Logo
8:00 pm - 9:05 pm
BCN
-
BOI
33h 05m
2 stops
$835Iberia
dim., oct. 4 - sam., oct. 17

United Airlines flights from Boise to Barcelona

Our best United Airlines deals on Boise to Barcelona flight tickets
United Airlines
Oct 14
BOI5:00 amBoise Air Term. Gowen Fld
19h 00m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 27
BCN6:50 amBarcelona-El Prat
21h 26m
2 stops
BOI9:16 pmBoise Air Term. Gowen Fld
$811
United Airlines
Sep 8
BOI8:15 amBoise Air Term. Gowen Fld
22h 05m
1 stop
BCN2:20 pmBarcelona-El Prat
Sep 13
BCN12:15 pmBarcelona-El Prat
36h 33m
2 stops
BOI4:48 pmBoise Air Term. Gowen Fld
$911
United Airlines
Sep 8
BOI5:00 amBoise Air Term. Gowen Fld
19h 00m
2 stops
BCN8:00 amBarcelona-El Prat
Sep 13
BCN12:15 pmBarcelona-El Prat
36h 33m
2 stops
BOI4:48 pmBoise Air Term. Gowen Fld
$915

Finnair flights from Boise to Barcelona

Our best Finnair deals on Boise to Barcelona flight tickets
Finnair
Sep 22
BOI1:18 pmBoise Air Term. Gowen Fld
13h 17m
1 stop
BCN10:35 amBarcelona-El Prat
Sep 29
BCN10:45 amBarcelona-El Prat
19h 32m
1 stop
BOI10:17 pmBoise Air Term. Gowen Fld
$769
Finnair
Sep 22
BOI1:18 pmBoise Air Term. Gowen Fld
25h 32m
2 stops
BCN10:50 pmBarcelona-El Prat
Sep 29
BCN10:45 amBarcelona-El Prat
19h 32m
1 stop
BOI10:17 pmBoise Air Term. Gowen Fld
$796
Finnair
Aug 22
BOI6:44 amBoise Air Term. Gowen Fld
19h 26m
1 stop
BCN10:10 amBarcelona-El Prat
Aug 30
BCN10:45 amBarcelona-El Prat
19h 35m
1 stop
BOI10:20 pmBoise Air Term. Gowen Fld
$1,052

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 mai 9, 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
Quickest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

mar. 9/22

1:18 pm-10:35 am

1 stop13h 17m

Barcelona-El Prat

mar. 9/29

10:45 am-10:17 pm

1 stop19h 32m

$769

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

dim. 10/11

2:57 pm-6:25 pm

2 stops19h 28m

Barcelona-El Prat

mar. 10/20

10:15 am-10:17 pm

2 stops20h 02m

$782

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

dim. 10/11

6:44 am-10:10 am

1 stop19h 26m

Barcelona-El Prat

mar. 10/20

10:15 am-10:17 pm

2 stops20h 02m

$785

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

mar. 9/22

1:18 pm-10:50 pm

2 stops25h 32m

Barcelona-El Prat

mar. 9/29

10:45 am-10:17 pm

1 stop19h 32m

$796

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

dim. 10/11

6:44 am-10:10 am

1 stop19h 26m

Barcelona-El Prat

lun. 10/19

2:50 pm-9:05 pm

2 stops62h 15m

$797

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

dim. 10/11

2:55 pm-9:20 pm

2 stops22h 25m

Barcelona-El Prat

lun. 10/19

2:50 pm-9:05 pm

2 stops62h 15m

$807

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

mar. 9/22

7:01 pm-8:00 am

2 stops28h 59m

Barcelona-El Prat

mar. 9/29

12:15 pm-9:31 pm

2 stops17h 16m

$810

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

mer. 10/14

5:00 am-8:00 am

2 stops19h 00m

Barcelona-El Prat

mar. 10/27

6:50 am-9:16 pm

2 stops21h 26m

$811

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

dim. 8/9

3:04 pm-6:25 pm

2 stops19h 21m

Barcelona-El Prat

jeu. 8/20

10:45 am-10:20 pm

1 stop19h 35m

$833

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

dim. 10/4

12:10 pm-10:10 am

1 stop14h 00m

Barcelona-El Prat

sam. 10/17

8:00 pm-9:05 pm

2 stops33h 05m

$835

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $467. 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 $492.

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 17m

Direct flights

None
The fastest flight from Boise to Barcelona takes 13h 17m
There are no direct flights from Boise to Barcelona. There are no popular flight routes from Boise to Barcelona.
Search flight deals

Frequently asked questions about flying from Boise to Barcelona

  • 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 17m.

  • 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
3,212 reviews
Search Iberia flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,457 reviews
Search Delta flights
American AirlinesPriceFrom $634Free CancellationRating
7.1
11,671 reviews
Search American Airlines flights
Air CanadaPriceFrom $799Free CancellationRating
7.1
11,008 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