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Cheap flights from Boise to Barcelona from $460

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.
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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
7:00 am - 8:50 am
BOI
-
BCN
17h 50m1 stop
Iberia Logo
10:40 am - 10:22 pm
BCN
-
BOI
19h 42m1 stop
$460Iberia
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 - 12:51 pm
BCN
-
BOI
29h 46m2 stops
$465Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
United Airlines Logo
8:39 am - 9:35 am
BOI
-
BCN
40h 56m2 stops
United Airlines Logo
12:35 pm - 10:06 am
BCN
-
BOI
28h 31m2 stops
$467United Airlines
Thu, Mar 5 - Thu, Mar 12
Delta Logo
7:30 am - 4:30 pm
BOI
-
BCN
25h 00m2 stops
Delta Logo
9:45 am - 10:27 pm
BCN
-
BOI
19h 42m1 stop
$470Delta
Thu, Mar 5 - Thu, Mar 12
Iberia Logo
7:00 am - 1:20 pm
BOI
-
BCN
22h 20m2 stops
Iberia Logo
10:40 am - 10:22 pm
BCN
-
BOI
19h 42m1 stop
$482Iberia
Thu, Feb 19 - Thu, Feb 26
Air Canada Logo
5:00 am - 9:35 am
BOI
-
BCN
20h 35m2 stops
Air Canada Logo
1:35 pm - 10:12 am
BCN
-
BOI
28h 37m2 stops
$483Air Canada
Fri, Feb 20 - Sat, Feb 28
Finnair Logo
7:00 am - 8:50 am
BOI
-
BCN
17h 50m1 stop
Finnair Logo
10:40 am - 10:22 pm
BCN
-
BOI
19h 42m1 stop
$485Finnair
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 - 12:51 pm
BCN
-
BOI
29h 46m2 stops
$490Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Air Canada Logo
6:10 am - 9:35 am
BOI
-
BCN
19h 25m2 stops
Air Canada Logo
1:35 pm - 10:06 am
BCN
-
BOI
28h 31m2 stops
$492Air Canada
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
6:25 am - 1:00 pm
BOI
-
BCN
22h 35m2 stops
United Airlines Logo
10:30 am - 10:12 am
BCN
-
BOI
31h 42m2 stops
$510United Airlines
Mon, Feb 16 - Sun, Feb 22

United Airlines flights from Boise to Barcelona

Our best United Airlines deals on Boise to Barcelona flight tickets
United Airlines
Feb 3
BOI10:48 amBoise Air Term. Gowen Fld
38h 47m
2 stops
BCN9:35 amBarcelona-El Prat
Feb 10
BCN1:35 pmBarcelona-El Prat
38h 16m
2 stops
BOI7:51 pmBoise Air Term. Gowen Fld
$424
Find similar
United Airlines
Mar 5
BOI8:39 amBoise Air Term. Gowen Fld
40h 56m
2 stops
BCN9:35 amBarcelona-El Prat
Mar 12
BCN12:35 pmBarcelona-El Prat
28h 31m
2 stops
BOI10:06 amBoise Air Term. Gowen Fld
$467
Find similar
United Airlines
Feb 11
BOI10:28 amBoise Air Term. Gowen Fld
23h 07m
2 stops
BCN5:35 pmBarcelona-El Prat
Feb 18
BCN11:55 amBarcelona-El Prat
36h 12m
2 stops
BOI4:07 pmBoise Air Term. Gowen Fld
$495
Find similar

American Airlines flights from Boise to Barcelona

Our best American Airlines deals on Boise to Barcelona flight tickets
American Airlines
Feb 3
BOI1:58 pmBoise Air Term. Gowen Fld
16h 47m
2 stops
BCN2:45 pmBarcelona-El Prat
Feb 10
BCN10:40 amBarcelona-El Prat
16h 45m
1 stop
BOI7:25 pmBoise Air Term. Gowen Fld
$432
Find similar
American Airlines
Feb 3
BOI1:58 pmBoise Air Term. Gowen Fld
19h 22m
2 stops
BCN5:20 pmBarcelona-El Prat
Feb 18
BCN12:30 pmBarcelona-El Prat
19h 08m
2 stops
BOI11:38 pmBoise Air Term. Gowen Fld
$436
Find similar
American Airlines
Mar 9
BOI7:00 amBoise Air Term. Gowen Fld
17h 50m
1 stop
BCN7:50 amBarcelona-El Prat
Mar 16
BCN9:35 amBarcelona-El Prat
19h 48m
1 stop
BOI10:23 pmBoise Air Term. Gowen Fld
$685
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 January 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

Fri 2/20

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Fri 2/27

10:40 am-10:22 pm

1 stop19h 42m

$460

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Fri 2/27

3:05 pm-12:51 pm

2 stops29h 46m

$465

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 3/5

8:39 am-9:35 am

2 stops40h 56m

Barcelona-El Prat

Thu 3/12

12:35 pm-10:06 am

2 stops28h 31m

$467

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 3/5

7:30 am-4:30 pm

2 stops25h 00m

Barcelona-El Prat

Thu 3/12

9:45 am-10:27 pm

1 stop19h 42m

$470

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 2/19

7:00 am-1:20 pm

2 stops22h 20m

Barcelona-El Prat

Thu 2/26

10:40 am-10:22 pm

1 stop19h 42m

$482

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

5:00 am-9:35 am

2 stops20h 35m

Barcelona-El Prat

Sat 2/28

1:35 pm-10:12 am

2 stops28h 37m

$483

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Fri 2/27

10:40 am-10:22 pm

1 stop19h 42m

$485

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Fri 2/27

3:05 pm-12:51 pm

2 stops29h 46m

$490

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 1/23

6:10 am-9:35 am

2 stops19h 25m

Barcelona-El Prat

Tue 1/27

1:35 pm-10:06 am

2 stops28h 31m

$492

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

6:25 am-1:00 pm

2 stops22h 35m

Barcelona-El Prat

Sun 2/22

10:30 am-10:12 am

2 stops31h 42m

$510

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 $484. 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.

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 07m

Direct flights

None
The fastest flight from Boise to Barcelona takes 16h 07m
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 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
United AirlinesPriceFrom $552Free CancellationRating
7.4
9,138 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,025 reviews
Search Delta flights
FinnairPriceFrom $637Free CancellationRating
7.6
1,346 reviews
Search Finnair flights
American AirlinesPriceFrom $641Free CancellationRating
7.2
11,094 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,602 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