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Cheap flights from Boise to Barcelona from $374

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 4/20. 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.
United Airlines Logo
6:55 pm - 8:20 am
BOI
-
BCN
30h 25m
2 stops
United Airlines Logo
12:35 pm - 10:56 pm
BCN
-
BOI
41h 21m
2 stops
$471United Airlines
Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
7:07 am - 5:35 pm
BOI
-
BCN
26h 28m
2 stops
United Airlines Logo
12:35 pm - 12:13 pm
BCN
-
BOI
30h 38m
2 stops
$475United Airlines
Sat, Mar 7 - Mon, Mar 16
United Airlines Logo
2:37 pm - 8:20 am
BOI
-
BCN
33h 43m
2 stops
United Airlines Logo
1:15 pm - 9:22 pm
BCN
-
BOI
40h 07m
2 stops
$481United Airlines
Sun, Apr 12 - Wed, Apr 22
American Airlines Logo
6:26 pm - 8:20 pm
BOI
-
BCN
17h 54m
2 stops
American Airlines Logo
10:45 am - 10:54 pm
BCN
-
BOI
20h 09m
1 stop
$484American Airlines
Sun, Apr 12 - Wed, Apr 22
Multiple Airlines Logo
1:40 pm - 12:50 pm
BOI
-
BCN
15h 10m
1 stop
Multiple Airlines Logo
11:00 am - 10:28 pm
BCN
-
BOI
19h 28m
1 stop
$486Multiple Airlines
Sun, Apr 12 - Wed, Apr 22
Iberia Logo
6:43 am - 7:35 am
BOI
-
BCN
16h 52m
1 stop
Iberia Logo
10:45 am - 9:07 pm
BCN
-
BOI
18h 22m
1 stop
$487Iberia
Sun, Apr 12 - Wed, Apr 22
American Airlines Logo
6:26 pm - 8:20 pm
BOI
-
BCN
17h 54m
2 stops
American Airlines Logo
10:30 am - 11:41 pm
BCN
-
BOI
21h 11m
2 stops
$488American Airlines
Sun, Apr 12 - Wed, Apr 22
United Airlines Logo
6:55 pm - 8:20 am
BOI
-
BCN
30h 25m
2 stops
United Airlines Logo
10:30 am - 11:17 am
BCN
-
BOI
31h 47m
2 stops
$491United Airlines
Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
12:59 pm - 8:20 am
BOI
-
BCN
36h 21m
2 stops
United Airlines Logo
6:50 am - 11:17 am
BCN
-
BOI
35h 27m
2 stops
$495United Airlines
Sun, Mar 8 - Mon, Mar 16
Multiple Airlines Logo
11:30 pm - 7:35 am
BOI
-
BCN
25h 05m
1 stop
Multiple Airlines Logo
1:00 pm - 9:35 pm
BCN
-
BOI
39h 35m
2 stops
$498Multiple Airlines
Sun, Mar 8 - Mon, Mar 16

American Airlines flights from Boise to Barcelona

Our best American Airlines deals on Boise to Barcelona flight tickets
American Airlines
Apr 12
BOI6:26 pmBoise Air Term. Gowen Fld
17h 54m
2 stops
BCN8:20 pmBarcelona-El Prat
Apr 22
BCN10:45 amBarcelona-El Prat
20h 09m
1 stop
BOI10:54 pmBoise Air Term. Gowen Fld
$484
American Airlines
Apr 12
BOI6:26 pmBoise Air Term. Gowen Fld
17h 54m
2 stops
BCN8:20 pmBarcelona-El Prat
Apr 22
BCN10:30 amBarcelona-El Prat
21h 11m
2 stops
BOI11:41 pmBoise Air Term. Gowen Fld
$488
American Airlines
Feb 20
BOI1:30 pmBoise Air Term. Gowen Fld
19h 00m
2 stops
BCN4:30 pmBarcelona-El Prat
Feb 27
BCN10:40 amBarcelona-El Prat
19h 42m
1 stop
BOI10:22 pmBoise Air Term. Gowen Fld
$682

Iberia flights from Boise to Barcelona

Our best Iberia deals on Boise to Barcelona flight tickets
Iberia
Apr 12
BOI6:43 amBoise Air Term. Gowen Fld
16h 52m
1 stop
BCN7:35 amBarcelona-El Prat
Apr 22
BCN10:45 amBarcelona-El Prat
18h 22m
1 stop
BOI9:07 pmBoise Air Term. Gowen Fld
$487
Iberia
Apr 17
BOI6:43 amBoise Air Term. Gowen Fld
16h 52m
1 stop
BCN7:35 amBarcelona-El Prat
Apr 27
BCN9:20 pmBarcelona-El Prat
31h 47m
2 stops
BOI9:07 pmBoise Air Term. Gowen Fld
$703

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 February 7, 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

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/9

6:55 pm-8:20 am

2 stops30h 25m

Barcelona-El Prat

Mon 3/16

12:35 pm-10:56 pm

2 stops41h 21m

$471

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sat 3/7

7:07 am-5:35 pm

2 stops26h 28m

Barcelona-El Prat

Mon 3/16

12:35 pm-12:13 pm

2 stops30h 38m

$475

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

2:37 pm-8:20 am

2 stops33h 43m

Barcelona-El Prat

Wed 4/22

1:15 pm-9:22 pm

2 stops40h 07m

$481

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

6:26 pm-8:20 pm

2 stops17h 54m

Barcelona-El Prat

Wed 4/22

10:45 am-10:54 pm

1 stop20h 09m

$484

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

1:40 pm-12:50 pm

1 stop15h 10m

Barcelona-El Prat

Wed 4/22

11:00 am-10:28 pm

1 stop19h 28m

$486

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

6:43 am-7:35 am

1 stop16h 52m

Barcelona-El Prat

Wed 4/22

10:45 am-9:07 pm

1 stop18h 22m

$487

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

6:26 pm-8:20 pm

2 stops17h 54m

Barcelona-El Prat

Wed 4/22

10:30 am-11:41 pm

2 stops21h 11m

$488

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/9

6:55 pm-8:20 am

2 stops30h 25m

Barcelona-El Prat

Mon 3/16

10:30 am-11:17 am

2 stops31h 47m

$491

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 3/8

12:59 pm-8:20 am

2 stops36h 21m

Barcelona-El Prat

Mon 3/16

6:50 am-11:17 am

2 stops35h 27m

$495

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 3/8

11:30 pm-7:35 am

1 stop25h 05m

Barcelona-El Prat

Mon 3/16

1:00 pm-9:35 pm

2 stops39h 35m

$498

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 $504. 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.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $1,004 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from Boise for as low as $553 on momondo.

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

16h 52m

Direct flights

None
The fastest flight from Boise to Barcelona takes 16h 52m
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 16h 52m.

  • 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
3,106 reviews
Search Iberia flights
United AirlinesPriceFrom $552Free CancellationRating
7.4
9,251 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,169 reviews
Search Delta flights
FinnairPriceFrom $637Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
American AirlinesPriceFrom $641Free CancellationRating
7.2
11,248 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,697 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