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Cheap flights from Boise to Barcelona from $360

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 10/13. 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
1 adult, Economy, 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.
Multiple Airlines Logo
10:52 am - 10:10 pm
BOI
-
BCN
27h 18m
2 stops
Multiple Airlines Logo
8:00 am - 10:27 pm
BCN
-
BOI
22h 27m
2 stops
$726Multiple Airlines
Sun, Aug 9 - Tue, Aug 25
Air Canada Logo
5:00 am - 8:00 am
BOI
-
BCN
19h 00m
2 stops
Air Canada Logo
12:15 pm - 9:35 pm
BCN
-
BOI
41h 20m
2 stops
$752Air Canada
Wed, Oct 14 - Thu, Oct 22
American Airlines Logo
3:24 pm - 6:35 pm
BOI
-
BCN
19h 11m
2 stops
American Airlines Logo
1:30 pm - 10:29 pm
BCN
-
BOI
16h 59m
1 stop
$765American Airlines
Wed, Oct 14 - Thu, Oct 22
Iberia Logo
7:00 am - 2:45 pm
BOI
-
BCN
23h 45m
2 stops
Iberia Logo
6:00 pm - 12:34 pm
BCN
-
BOI
26h 34m
2 stops
$776Iberia
Tue, Dec 1 - Mon, Dec 7
Multiple Airlines Logo
2:06 pm - 6:25 pm
BOI
-
BCN
20h 19m
2 stops
Multiple Airlines Logo
9:15 pm - 12:34 pm
BCN
-
BOI
23h 19m
2 stops
$777Multiple Airlines
Tue, Dec 1 - Mon, Dec 7
Air Canada Logo
6:25 am - 8:00 am
BOI
-
BCN
17h 35m
2 stops
Air Canada Logo
12:15 pm - 9:35 pm
BCN
-
BOI
41h 20m
2 stops
$786Air Canada
Wed, Oct 7 - Fri, Oct 16
Air Canada Logo
6:25 am - 8:00 am
BOI
-
BCN
17h 35m
2 stops
Air Canada Logo
1:15 pm - 9:35 pm
BCN
-
BOI
40h 20m
2 stops
$791Air Canada
Wed, Oct 7 - Tue, Oct 13
American Airlines Logo
3:24 pm - 6:35 pm
BOI
-
BCN
19h 11m
2 stops
American Airlines Logo
1:30 pm - 10:29 pm
BCN
-
BOI
16h 59m
1 stop
$800American Airlines
Wed, Oct 14 - Thu, Oct 22
Air Canada Logo
5:22 pm - 9:35 am
BOI
-
BCN
32h 13m
2 stops
Air Canada Logo
1:35 pm - 11:06 pm
BCN
-
BOI
41h 31m
2 stops
$808Air Canada
Tue, Dec 1 - Mon, Dec 7
United Airlines Logo
5:00 am - 8:00 am
BOI
-
BCN
19h 00m
2 stops
United Airlines Logo
3:15 pm - 11:28 am
BCN
-
BOI
28h 13m
1 stop
$812United Airlines
Wed, Oct 7 - Thu, Oct 15

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United Airlines flights from Boise to Barcelona

Our best United Airlines deals on Boise to Barcelona flight tickets
United Airlines
Oct 7
BOI5:00 amBoise Air Term. Gowen Fld
19h 00m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 15
BCN3:15 pmBarcelona-El Prat
28h 13m
1 stop
BOI11:28 amBoise Air Term. Gowen Fld
$812
United Airlines
Nov 22
BOI6:59 pmBoise Air Term. Gowen Fld
29h 21m
2 stops
BCN8:20 amBarcelona-El Prat
Dec 1
BCN3:10 pmBarcelona-El Prat
33h 39m
2 stops
BOI4:49 pmBoise Air Term. Gowen Fld
$840
United Airlines
Oct 9
BOI5:30 pmBoise Air Term. Gowen Fld
20h 55m
2 stops
BCN10:25 pmBarcelona-El Prat
Oct 14
BCN3:15 pmBarcelona-El Prat
28h 13m
1 stop
BOI11:28 amBoise Air Term. Gowen Fld
$866

Air Canada flights from Boise to Barcelona

Our best Air Canada deals on Boise to Barcelona flight tickets
Air Canada
Oct 14
BOI5:00 amBoise Air Term. Gowen Fld
19h 00m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 22
BCN12:15 pmBarcelona-El Prat
41h 20m
2 stops
BOI9:35 pmBoise Air Term. Gowen Fld
$752
Air Canada
Oct 7
BOI6:25 amBoise Air Term. Gowen Fld
17h 35m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 16
BCN12:15 pmBarcelona-El Prat
41h 20m
2 stops
BOI9:35 pmBoise Air Term. Gowen Fld
$786
Air Canada
Oct 7
BOI6:25 amBoise Air Term. Gowen Fld
17h 35m
2 stops
BCN8:00 amBarcelona-El Prat
Oct 13
BCN1:15 pmBarcelona-El Prat
40h 20m
2 stops
BOI9:35 pmBoise Air Term. Gowen Fld
$791

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 July 20, 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 8/9

10:52 am-10:10 pm

2 stops27h 18m

Barcelona-El Prat

Tue 8/25

8:00 am-10:27 pm

2 stops22h 27m

$726

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/14

5:00 am-8:00 am

2 stops19h 00m

Barcelona-El Prat

Thu 10/22

12:15 pm-9:35 pm

2 stops41h 20m

$752
Quickest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/14

3:24 pm-6:35 pm

2 stops19h 11m

Barcelona-El Prat

Thu 10/22

1:30 pm-10:29 pm

1 stop16h 59m

$765

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 12/1

7:00 am-2:45 pm

2 stops23h 45m

Barcelona-El Prat

Mon 12/7

6:00 pm-12:34 pm

2 stops26h 34m

$776

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 12/1

2:06 pm-6:25 pm

2 stops20h 19m

Barcelona-El Prat

Mon 12/7

9:15 pm-12:34 pm

2 stops23h 19m

$777

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/7

6:25 am-8:00 am

2 stops17h 35m

Barcelona-El Prat

Fri 10/16

12:15 pm-9:35 pm

2 stops41h 20m

$786

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/7

6:25 am-8:00 am

2 stops17h 35m

Barcelona-El Prat

Tue 10/13

1:15 pm-9:35 pm

2 stops40h 20m

$791

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/14

3:24 pm-6:35 pm

2 stops19h 11m

Barcelona-El Prat

Thu 10/22

1:30 pm-10:29 pm

1 stop16h 59m

$800

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 12/1

5:22 pm-9:35 am

2 stops32h 13m

Barcelona-El Prat

Mon 12/7

1:35 pm-11:06 pm

2 stops41h 31m

$808

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/7

5:00 am-8:00 am

2 stops19h 00m

Barcelona-El Prat

Thu 10/15

3:15 pm-11:28 am

1 stop28h 13m

$812

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $672.

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 50m

Direct flights

None
The fastest flight from Boise to Barcelona takes 17h 50m
There are no direct flights from Boise to Barcelona. There are no popular flight routes from Boise to Barcelona.
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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 17h 50m.

  • 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
3,259 reviews
Search Iberia flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
10,015 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.8
8,476 reviews
Search Delta flights
Air CanadaPriceFrom $856Free CancellationRating
7.1
11,361 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