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Cheap flights from Boise to Barcelona from $419

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 2/1. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:03 pm - 9:20 am
BOI
-
BCN
30h 17m
2 stops
Air Canada Logo
1:15 pm - 1:31 pm
BCN
-
BOI
32h 16m
2 stops
$428Air Canada
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
7:20 am - 1:05 pm
BOI
-
BCN
21h 45m
2 stops
Multiple Airlines Logo
10:40 am - 10:22 pm
BCN
-
BOI
19h 42m
1 stop
$439Multiple Airlines
Wed, Feb 11 - Wed, Feb 25
United Airlines Logo
6:25 am - 9:35 am
BOI
-
BCN
19h 10m
2 stops
United Airlines Logo
10:30 am - 11:38 pm
BCN
-
BOI
21h 08m
2 stops
$443United Airlines
Wed, Feb 18 - Wed, Mar 4
United Airlines Logo
12:59 pm - 8:20 am
BOI
-
BCN
36h 21m
2 stops
United Airlines Logo
12:35 pm - 1:32 pm
BCN
-
BOI
31h 57m
2 stops
$468United Airlines
Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
5:31 pm - 5:35 pm
BOI
-
BCN
17h 04m
2 stops
United Airlines Logo
11:15 am - 9:54 am
BCN
-
BOI
30h 39m
2 stops
$472United Airlines
Mon, Mar 16 - Wed, Apr 1
United Airlines Logo
12:19 pm - 2:15 pm
BOI
-
BCN
17h 56m
2 stops
United Airlines Logo
6:45 am - 6:47 pm
BCN
-
BOI
20h 02m
2 stops
$479United Airlines
Tue, Feb 10 - Tue, Feb 24
United Airlines Logo
6:24 am - 7:50 pm
BOI
-
BCN
30h 26m
2 stops
United Airlines Logo
11:15 am - 9:54 am
BCN
-
BOI
30h 39m
2 stops
$484United Airlines
Sun, Mar 22 - Wed, Apr 1
Delta Logo
5:50 am - 8:00 am
BOI
-
BCN
18h 10m
2 stops
Delta Logo
10:15 am - 9:50 am
BCN
-
BOI
31h 35m
2 stops
$489Delta
Fri, Feb 20 - Fri, Feb 27
American Airlines Logo
3:18 pm - 5:20 pm
BOI
-
BCN
18h 02m
2 stops
American Airlines Logo
10:40 am - 10:22 pm
BCN
-
BOI
19h 42m
1 stop
$494American Airlines
Tue, Feb 10 - Tue, Feb 24
Delta Logo
8:50 am - 7:05 pm
BOI
-
BCN
26h 15m
2 stops
Delta Logo
9:30 am - 11:44 pm
BCN
-
BOI
21h 14m
2 stops
$499Delta
Thu, Mar 5 - Thu, Mar 12

Iberia flights from Boise to Barcelona

Our best Iberia deals on Boise to Barcelona flight tickets
Iberia
Feb 10
BOI7:20 amBoise Air Term. Gowen Fld
17h 30m
1 stop
BCN8:50 amBarcelona-El Prat
Feb 24
BCN10:40 amBarcelona-El Prat
19h 42m
1 stop
BOI10:22 pmBoise Air Term. Gowen Fld
$560
Iberia
Mar 9
BOI7:00 amBoise Air Term. Gowen Fld
17h 50m
1 stop
BCN7:50 amBarcelona-El Prat
Mar 16
BCN6:00 pmBarcelona-El Prat
25h 42m
2 stops
BOI12:42 pmBoise Air Term. Gowen Fld
$576
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
$639

American Airlines flights from Boise to Barcelona

Our best American Airlines deals on Boise to Barcelona flight tickets
American Airlines
Feb 10
BOI3:18 pmBoise Air Term. Gowen Fld
18h 02m
2 stops
BCN5:20 pmBarcelona-El Prat
Feb 24
BCN10:40 amBarcelona-El Prat
19h 42m
1 stop
BOI10:22 pmBoise Air Term. Gowen Fld
$494
American Airlines
Apr 14
BOI1:29 pmBoise Air Term. Gowen Fld
13h 06m
1 stop
BCN10:35 amBarcelona-El Prat
Apr 21
BCN10:45 amBarcelona-El Prat
19h 53m
1 stop
BOI10:38 pmBoise Air Term. Gowen Fld
$523
American Airlines
Apr 1
BOI7:00 amBoise Air Term. Gowen Fld
16h 35m
1 stop
BCN7:35 amBarcelona-El Prat
Apr 22
BCN10:45 amBarcelona-El Prat
19h 53m
1 stop
BOI10:38 pmBoise Air Term. Gowen Fld
$617

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 January 21, 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

Tue 4/14

7:03 pm-9:20 am

2 stops30h 17m

Barcelona-El Prat

Tue 4/21

1:15 pm-1:31 pm

2 stops32h 16m

$428

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 2/11

7:20 am-1:05 pm

2 stops21h 45m

Barcelona-El Prat

Wed 2/25

10:40 am-10:22 pm

1 stop19h 42m

$439

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 2/18

6:25 am-9:35 am

2 stops19h 10m

Barcelona-El Prat

Wed 3/4

10:30 am-11:38 pm

2 stops21h 08m

$443

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/9

12:59 pm-8:20 am

2 stops36h 21m

Barcelona-El Prat

Mon 3/16

12:35 pm-1:32 pm

2 stops31h 57m

$468

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/16

5:31 pm-5:35 pm

2 stops17h 04m

Barcelona-El Prat

Wed 4/1

11:15 am-9:54 am

2 stops30h 39m

$472

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 2/10

12:19 pm-2:15 pm

2 stops17h 56m

Barcelona-El Prat

Tue 2/24

6:45 am-6:47 pm

2 stops20h 02m

$479

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 3/22

6:24 am-7:50 pm

2 stops30h 26m

Barcelona-El Prat

Wed 4/1

11:15 am-9:54 am

2 stops30h 39m

$484

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

5:50 am-8:00 am

2 stops18h 10m

Barcelona-El Prat

Fri 2/27

10:15 am-9:50 am

2 stops31h 35m

$489

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 2/10

3:18 pm-5:20 pm

2 stops18h 02m

Barcelona-El Prat

Tue 2/24

10:40 am-10:22 pm

1 stop19h 42m

$494

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 3/5

8:50 am-7:05 pm

2 stops26h 15m

Barcelona-El Prat

Thu 3/12

9:30 am-11:44 pm

2 stops21h 14m

$499

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 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 $984 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

17h 04m

Direct flights

None
The fastest flight from Boise to Barcelona takes 17h 04m
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 17h 04m.

  • 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
3,094 reviews
Search Iberia flights
United AirlinesPriceFrom $552Free CancellationRating
7.4
9,190 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,086 reviews
Search Delta flights
FinnairPriceFrom $637Free CancellationRating
7.6
1,353 reviews
Search Finnair flights
American AirlinesPriceFrom $641Free CancellationRating
7.2
11,173 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,646 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