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Cheap flights from Boise to Barcelona from $480

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Barcelona departing on 2/20. 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
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.
American Airlines Logo
1:36 pm - 4:30 pm
BOI
-
BCN
18h 54m2 stops
American Airlines Logo
10:40 am - 10:36 pm
BCN
-
BOI
19h 56m1 stop
$480American Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
11:54 am - 11:35 am
BOI
-
BCN
15h 41m2 stops
Multiple Airlines Logo
10:40 am - 10:36 pm
BCN
-
BOI
19h 56m1 stop
$481Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
7:00 am - 8:50 am
BOI
-
BCN
17h 50m1 stop
Multiple Airlines Logo
10:40 am - 10:36 pm
BCN
-
BOI
19h 56m1 stop
$484Multiple Airlines
Mon, Feb 16 - Sun, Feb 22
American Airlines Logo
1:36 pm - 4:30 pm
BOI
-
BCN
18h 54m2 stops
American Airlines Logo
10:40 am - 11:34 pm
BCN
-
BOI
20h 54m2 stops
$485American Airlines
Fri, Feb 20 - Fri, Feb 27
Multiple Airlines Logo
7:00 am - 8:50 am
BOI
-
BCN
17h 50m1 stop
Multiple Airlines Logo
3:05 pm - 12:46 pm
BCN
-
BOI
29h 41m2 stops
$489Multiple Airlines
Mon, Feb 16 - Sun, Feb 22
United Airlines Logo
5:30 pm - 8:35 am
BOI
-
BCN
32h 05m2 stops
United Airlines Logo
12:35 pm - 9:29 pm
BCN
-
BOI
39h 54m2 stops
$491United Airlines
Mon, Mar 9 - Mon, Mar 16
Multiple Airlines Logo
7:00 am - 7:55 pm
BOI
-
BCN
28h 55m2 stops
Multiple Airlines Logo
3:05 pm - 12:46 pm
BCN
-
BOI
29h 41m2 stops
$497Multiple Airlines
Mon, Feb 16 - Sun, Feb 22
United Airlines Logo
5:00 am - 5:35 pm
BOI
-
BCN
29h 35m2 stops
United Airlines Logo
6:45 am - 11:57 pm
BCN
-
BOI
24h 12m2 stops
$498United Airlines
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
1:39 pm - 6:05 am
BOI
-
BCN
33h 26m2 stops
Multiple Airlines Logo
10:40 am - 10:36 pm
BCN
-
BOI
18h 56m1 stop
$499Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
6:10 am - 5:35 pm
BOI
-
BCN
27h 25m2 stops
United Airlines Logo
1:35 pm - 1:35 pm
BCN
-
BOI
32h 00m2 stops
$595United Airlines
Fri, Jan 30 - Tue, Feb 3

American Airlines flights from Boise to Barcelona

Our best American Airlines deals on Boise to Barcelona flight tickets
American Airlines
Feb 20
BOI1:36 pmBoise Air Term. Gowen Fld
18h 54m
2 stops
BCN4:30 pmBarcelona-El Prat
Feb 27
BCN10:40 amBarcelona-El Prat
19h 56m
1 stop
BOI10:36 pmBoise Air Term. Gowen Fld
$480
Find similar
American Airlines
Mar 19
BOI1:31 pmBoise Air Term. Gowen Fld
16h 49m
2 stops
BCN1:20 pmBarcelona-El Prat
Apr 7
BCN10:45 amBarcelona-El Prat
18h 22m
1 stop
BOI9:07 pmBoise Air Term. Gowen Fld
$985
Find similar

Iberia flights from Boise to Barcelona

Our best Iberia deals on Boise to Barcelona flight tickets
Iberia
Mar 9
BOI7:00 amBoise Air Term. Gowen Fld
17h 50m
1 stop
BCN7:50 amBarcelona-El Prat
Mar 16
BCN12:30 pmBarcelona-El Prat
31h 12m
2 stops
BOI12:42 pmBoise Air Term. Gowen Fld
$605
Find similar
Iberia
Mar 22
BOI7:00 amBoise Air Term. Gowen Fld
21h 25m
2 stops
BCN11:25 amBarcelona-El Prat
Apr 9
BCN10:45 amBarcelona-El Prat
18h 22m
1 stop
BOI9:07 pmBoise Air Term. Gowen Fld
$786
Find similar
Iberia
Mar 16
BOI7:00 amBoise Air Term. Gowen Fld
17h 50m
1 stop
BCN7:50 amBarcelona-El Prat
Mar 23
BCN10:35 amBarcelona-El Prat
33h 07m
2 stops
BOI12:42 pmBoise Air Term. Gowen Fld
$823
Find similar

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 December 15, 2025.
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

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

1:36 pm-4:30 pm

2 stops18h 54m

Barcelona-El Prat

Fri 2/27

10:40 am-10:36 pm

1 stop19h 56m

$480

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

11:54 am-11:35 am

2 stops15h 41m

Barcelona-El Prat

Fri 2/27

10:40 am-10:36 pm

1 stop19h 56m

$481

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Sun 2/22

10:40 am-10:36 pm

1 stop19h 56m

$484

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

1:36 pm-4:30 pm

2 stops18h 54m

Barcelona-El Prat

Fri 2/27

10:40 am-11:34 pm

2 stops20h 54m

$485

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Sun 2/22

3:05 pm-12:46 pm

2 stops29h 41m

$489

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/9

5:30 pm-8:35 am

2 stops32h 05m

Barcelona-El Prat

Mon 3/16

12:35 pm-9:29 pm

2 stops39h 54m

$491

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

7:00 am-7:55 pm

2 stops28h 55m

Barcelona-El Prat

Sun 2/22

3:05 pm-12:46 pm

2 stops29h 41m

$497

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 3/13

5:00 am-5:35 pm

2 stops29h 35m

Barcelona-El Prat

Fri 3/20

6:45 am-11:57 pm

2 stops24h 12m

$498

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/9

1:39 pm-6:05 am

2 stops33h 26m

Barcelona-El Prat

Mon 3/16

10:40 am-10:36 pm

1 stop18h 56m

$499

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 1/30

6:10 am-5:35 pm

2 stops27h 25m

Barcelona-El Prat

Tue 2/3

1:35 pm-1:35 pm

2 stops32h 00m

$595

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 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 $559. If you don’t want to visit Barcelona in February, then you should wait until November to fly from Boise, when ticket prices are also cheap, with an average price of $631.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from Boise to Barcelona is on a Sunday when prices can be found for as low as $813. On the other hand, Friday is the most expensive day to depart from Boise because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,459.

What is the cheapest time of day to depart on your flight to Barcelona?

In the evening is the cheapest time of day to fly from Boise to Barcelona when you can find flight prices for as low as $842. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,010 on average. Flights to Barcelona from Boise in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 41m

Direct flights

None
The fastest flight from Boise to Barcelona takes 15h 41m
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 15h 41m.

  • 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
United AirlinesPriceFrom $552Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
FinnairPriceFrom $637Free CancellationRating
7.6
1,337 reviews
Search Finnair flights
American AirlinesPriceFrom $641Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,527 reviews
Search Air Canada flights
DeltaPriceFrom $726Free CancellationRating
7.9
8,010 reviews
Search Delta 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