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Cheap flights from Boise to Barcelona from $307

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 8/9. 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
1:29 pm - 5:05 pm
BOI
-
BCN
19h 36m
2 stops
American Airlines Logo
10:45 am - 10:54 pm
BCN
-
BOI
20h 09m
1 stop
$700American Airlines
Sun, Apr 12 - Wed, Apr 22
Finnair Logo
1:29 pm - 10:55 am
BOI
-
BCN
13h 26m
1 stop
Finnair Logo
10:45 am - 10:54 pm
BCN
-
BOI
20h 09m
1 stop
$703Finnair
Sun, Apr 12 - Wed, Apr 22
American Airlines Logo
1:29 pm - 5:05 pm
BOI
-
BCN
19h 36m
2 stops
American Airlines Logo
10:30 am - 10:54 pm
BCN
-
BOI
20h 24m
2 stops
$704American Airlines
Sun, Apr 12 - Wed, Apr 22
Finnair Logo
1:29 pm - 10:55 am
BOI
-
BCN
13h 26m
1 stop
Finnair Logo
10:45 am - 10:54 pm
BCN
-
BOI
20h 09m
1 stop
$755Finnair
Sun, Apr 12 - Wed, Apr 22
Multiple Airlines Logo
1:29 pm - 10:55 am
BOI
-
BCN
13h 26m
1 stop
Multiple Airlines Logo
3:30 pm - 12:51 pm
BCN
-
BOI
29h 21m
2 stops
$760Multiple Airlines
Sun, Apr 12 - Wed, Apr 22
Lufthansa Logo
10:35 am - 2:55 pm
BOI
-
BCN
20h 20m
2 stops
Lufthansa Logo
11:50 am - 11:02 pm
BCN
-
BOI
19h 12m
2 stops
$773Lufthansa
Sun, Apr 12 - Wed, Apr 22
Multiple Airlines Logo
1:29 pm - 8:05 pm
BOI
-
BCN
22h 36m
2 stops
Multiple Airlines Logo
3:30 pm - 12:51 pm
BCN
-
BOI
29h 21m
2 stops
$778Multiple Airlines
Sun, Apr 12 - Wed, Apr 22
American Airlines Logo
6:00 am - 9:05 am
BOI
-
BCN
19h 05m
2 stops
American Airlines Logo
10:30 am - 11:41 pm
BCN
-
BOI
21h 11m
2 stops
$786American Airlines
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
9:02 am - 4:25 pm
BOI
-
BCN
23h 23m
1 stop
Multiple Airlines Logo
3:00 pm - 3:33 pm
BCN
-
BOI
32h 33m
2 stops
$810Multiple Airlines
Sun, Apr 26 - Sun, May 3
Iberia Logo
1:41 pm - 5:20 pm
BOI
-
BCN
19h 39m
2 stops
Iberia Logo
10:45 am - 9:07 pm
BCN
-
BOI
18h 22m
1 stop
$814Iberia
Thu, Apr 23 - Thu, Apr 30

Air Canada flights from Boise to Barcelona

Our best Air Canada deals on Boise to Barcelona flight tickets
Air Canada
Apr 23
BOI4:08 pmBoise Air Term. Gowen Fld
31h 52m
2 stops
BCN8:00 amBarcelona-El Prat
Apr 30
BCN12:15 pmBarcelona-El Prat
41h 02m
2 stops
BOI9:17 pmBoise Air Term. Gowen Fld
$845
Air Canada
Jul 7
BOI6:30 amBoise Air Term. Gowen Fld
17h 30m
2 stops
BCN8:00 amBarcelona-El Prat
Jul 14
BCN1:15 pmBarcelona-El Prat
54h 17m
2 stops
BOI11:32 amBoise Air Term. Gowen Fld
$985
Air Canada
Jul 7
BOI5:00 amBoise Air Term. Gowen Fld
19h 00m
2 stops
BCN8:00 amBarcelona-El Prat
Jul 14
BCN1:15 pmBarcelona-El Prat
36h 41m
2 stops
BOI5:56 pmBoise Air Term. Gowen Fld
$1,003

United Airlines flights from Boise to Barcelona

Our best United Airlines deals on Boise to Barcelona flight tickets
United Airlines
Apr 26
BOI7:11 amBoise Air Term. Gowen Fld
40h 49m
2 stops
BCN8:00 amBarcelona-El Prat
May 3
BCN12:15 pmBarcelona-El Prat
42h 01m
2 stops
BOI10:16 pmBoise Air Term. Gowen Fld
$839
United Airlines
Apr 22
BOI5:29 pmBoise Air Term. Gowen Fld
16h 26m
2 stops
BCN5:55 pmBarcelona-El Prat
May 2
BCN12:15 pmBarcelona-El Prat
41h 02m
2 stops
BOI9:17 pmBoise Air Term. Gowen Fld
$843
United Airlines
Apr 22
BOI5:29 pmBoise Air Term. Gowen Fld
16h 26m
2 stops
BCN5:55 pmBarcelona-El Prat
May 2
BCN4:10 pmBarcelona-El Prat
37h 07m
1 stop
BOI9:17 pmBoise Air Term. Gowen Fld
$869

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 March 14, 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 4/12

1:29 pm-5:05 pm

2 stops19h 36m

Barcelona-El Prat

Wed 4/22

10:45 am-10:54 pm

1 stop20h 09m

$700
Quickest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

1:29 pm-10:55 am

1 stop13h 26m

Barcelona-El Prat

Wed 4/22

10:45 am-10:54 pm

1 stop20h 09m

$703

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

1:29 pm-5:05 pm

2 stops19h 36m

Barcelona-El Prat

Wed 4/22

10:30 am-10:54 pm

2 stops20h 24m

$704

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

1:29 pm-10:55 am

1 stop13h 26m

Barcelona-El Prat

Wed 4/22

10:45 am-10:54 pm

1 stop20h 09m

$755

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

1:29 pm-10:55 am

1 stop13h 26m

Barcelona-El Prat

Wed 4/22

3:30 pm-12:51 pm

2 stops29h 21m

$760

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

10:35 am-2:55 pm

2 stops20h 20m

Barcelona-El Prat

Wed 4/22

11:50 am-11:02 pm

2 stops19h 12m

$773

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/12

1:29 pm-8:05 pm

2 stops22h 36m

Barcelona-El Prat

Wed 4/22

3:30 pm-12:51 pm

2 stops29h 21m

$778

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 4/29

6:00 am-9:05 am

2 stops19h 05m

Barcelona-El Prat

Wed 5/6

10:30 am-11:41 pm

2 stops21h 11m

$786

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 4/26

9:02 am-4:25 pm

1 stop23h 23m

Barcelona-El Prat

Sun 5/3

3:00 pm-3:33 pm

2 stops32h 33m

$810

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 4/23

1:41 pm-5:20 pm

2 stops19h 39m

Barcelona-El Prat

Thu 4/30

10:45 am-9:07 pm

1 stop18h 22m

$814

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 $484. If you don’t want to visit Barcelona in February, then you should wait until January to fly from Boise, when ticket prices are also cheap, with an average price of $583.

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

13h 26m

Direct flights

None
The fastest flight from Boise to Barcelona takes 13h 26m
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 13h 26m.

  • 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
3,134 reviews
Search Iberia flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,423 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,291 reviews
Search Delta flights
American AirlinesPriceFrom $634Free CancellationRating
7.1
11,463 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,800 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