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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.
Iberia Logo
6:44 am - 10:10 am
BOI
-
BCN
19h 26m
1 stop
Iberia Logo
9:30 pm - 9:05 pm
BCN
-
BOI
31h 35m
2 stops
$785Iberia
Sun, Sep 20 - Tue, Oct 13
Air Canada Logo
6:30 am - 9:20 am
BOI
-
BCN
18h 50m
2 stops
Air Canada Logo
12:15 pm - 9:31 pm
BCN
-
BOI
41h 16m
2 stops
$792Air Canada
Sun, Sep 20 - Tue, Oct 13
United Airlines Logo
8:15 am - 2:20 pm
BOI
-
BCN
22h 05m
1 stop
United Airlines Logo
3:15 pm - 11:06 pm
BCN
-
BOI
15h 51m
1 stop
$804United Airlines
Mon, Sep 21 - Fri, Oct 2
United Airlines Logo
7:01 pm - 2:20 pm
BOI
-
BCN
35h 19m
1 stop
United Airlines Logo
3:15 pm - 11:06 pm
BCN
-
BOI
15h 51m
1 stop
$809United Airlines
Sun, Sep 20 - Fri, Oct 2
United Airlines Logo
7:01 pm - 2:20 pm
BOI
-
BCN
35h 19m
1 stop
United Airlines Logo
3:15 pm - 3:31 pm
BCN
-
BOI
32h 16m
2 stops
$814United Airlines
Tue, Sep 22 - Tue, Oct 6
Air Canada Logo
5:44 pm - 9:20 am
BOI
-
BCN
31h 36m
2 stops
Air Canada Logo
1:15 pm - 1:25 pm
BCN
-
BOI
32h 10m
2 stops
$832Air Canada
Sat, Sep 19 - Fri, Oct 2
American Airlines Logo
12:17 pm - 2:25 pm
BOI
-
BCN
18h 08m
2 stops
American Airlines Logo
10:45 am - 10:20 pm
BCN
-
BOI
19h 35m
1 stop
$833American Airlines
Mon, Aug 10 - Fri, Aug 21
Iberia Logo
6:44 am - 10:10 am
BOI
-
BCN
19h 26m
1 stop
Iberia Logo
10:45 am - 9:40 pm
BCN
-
BOI
18h 55m
1 stop
$837Iberia
Sun, Aug 9 - Thu, Aug 20
Delta Logo
4:05 pm - 5:10 pm
BOI
-
BCN
17h 05m
2 stops
Delta Logo
1:20 pm - 8:17 pm
BCN
-
BOI
14h 57m
1 stop
$838Delta
Sun, Sep 27 - Fri, Oct 9
United Airlines Logo
10:37 am - 3:35 pm
BOI
-
BCN
20h 58m
2 stops
United Airlines Logo
3:15 pm - 3:31 pm
BCN
-
BOI
32h 16m
2 stops
$840United Airlines
Wed, Sep 30 - Tue, Oct 13

American Airlines flights from Boise to Barcelona

Our best American Airlines deals on Boise to Barcelona flight tickets
American Airlines
Aug 10
BOI12:17 pmBoise Air Term. Gowen Fld
18h 08m
2 stops
BCN2:25 pmBarcelona-El Prat
Aug 21
BCN10:45 amBarcelona-El Prat
19h 35m
1 stop
BOI10:20 pmBoise Air Term. Gowen Fld
$833
American Airlines
Aug 10
BOI2:49 pmBoise Air Term. Gowen Fld
18h 46m
2 stops
BCN5:35 pmBarcelona-El Prat
Aug 21
BCN10:15 amBarcelona-El Prat
20h 05m
2 stops
BOI10:20 pmBoise Air Term. Gowen Fld
$849
American Airlines
Aug 9
BOI12:17 pmBoise Air Term. Gowen Fld
13h 53m
1 stop
BCN10:10 amBarcelona-El Prat
Aug 20
BCN10:15 amBarcelona-El Prat
20h 05m
2 stops
BOI10:20 pmBoise Air Term. Gowen Fld
$852

Iberia flights from Boise to Barcelona

Our best Iberia deals on Boise to Barcelona flight tickets
Iberia
Sep 20
BOI6:44 amBoise Air Term. Gowen Fld
19h 26m
1 stop
BCN10:10 amBarcelona-El Prat
Oct 13
BCN9:30 pmBarcelona-El Prat
31h 35m
2 stops
BOI9:05 pmBoise Air Term. Gowen Fld
$785
Iberia
Aug 9
BOI6:44 amBoise Air Term. Gowen Fld
19h 26m
1 stop
BCN10:10 amBarcelona-El Prat
Aug 20
BCN10:45 amBarcelona-El Prat
18h 55m
1 stop
BOI9:40 pmBoise Air Term. Gowen Fld
$837
Iberia
Aug 10
BOI12:10 pmBoise Air Term. Gowen Fld
14h 00m
1 stop
BCN10:10 amBarcelona-El Prat
Aug 21
BCN10:45 amBarcelona-El Prat
18h 55m
1 stop
BOI9:40 pmBoise Air Term. Gowen Fld
$916

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 April 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

Sun 9/20

6:44 am-10:10 am

1 stop19h 26m

Barcelona-El Prat

Tue 10/13

9:30 pm-9:05 pm

2 stops31h 35m

$785

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 9/20

6:30 am-9:20 am

2 stops18h 50m

Barcelona-El Prat

Tue 10/13

12:15 pm-9:31 pm

2 stops41h 16m

$792

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 9/21

8:15 am-2:20 pm

1 stop22h 05m

Barcelona-El Prat

Fri 10/2

3:15 pm-11:06 pm

1 stop15h 51m

$804

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 9/20

7:01 pm-2:20 pm

1 stop35h 19m

Barcelona-El Prat

Fri 10/2

3:15 pm-11:06 pm

1 stop15h 51m

$809

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 9/22

7:01 pm-2:20 pm

1 stop35h 19m

Barcelona-El Prat

Tue 10/6

3:15 pm-3:31 pm

2 stops32h 16m

$814

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sat 9/19

5:44 pm-9:20 am

2 stops31h 36m

Barcelona-El Prat

Fri 10/2

1:15 pm-1:25 pm

2 stops32h 10m

$832

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 8/10

12:17 pm-2:25 pm

2 stops18h 08m

Barcelona-El Prat

Fri 8/21

10:45 am-10:20 pm

1 stop19h 35m

$833

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

6:44 am-10:10 am

1 stop19h 26m

Barcelona-El Prat

Thu 8/20

10:45 am-9:40 pm

1 stop18h 55m

$837
Quickest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 9/27

4:05 pm-5:10 pm

2 stops17h 05m

Barcelona-El Prat

Fri 10/9

1:20 pm-8:17 pm

1 stop14h 57m

$838

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 9/30

10:37 am-3:35 pm

2 stops20h 58m

Barcelona-El Prat

Tue 10/13

3:15 pm-3:31 pm

2 stops32h 16m

$840

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

15h 07m

Direct flights

None
The fastest flight from Boise to Barcelona takes 15h 07m
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 15h 07m.

  • 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
3,191 reviews
Search Iberia flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,625 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,432 reviews
Search Delta flights
American AirlinesPriceFrom $634Free CancellationRating
7.1
11,647 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,953 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