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Cheap flights from Boise to Barcelona from $354

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 8/10. 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.
Multiple Airlines Logo
1:41 pm - 3:40 pm
BOI
-
BCN
17h 59m
2 stops
Multiple Airlines Logo
7:40 am - 10:38 pm
BCN
-
BOI
22h 58m
2 stops
$767Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Iberia Logo
6:00 am - 7:35 am
BOI
-
BCN
17h 35m
1 stop
Iberia Logo
7:40 am - 9:07 pm
BCN
-
BOI
21h 27m
2 stops
$768Iberia
Tue, Apr 21 - Tue, Apr 28
Air Canada Logo
5:00 am - 9:20 am
BOI
-
BCN
44h 20m
2 stops
Air Canada Logo
12:15 pm - 1:30 pm
BCN
-
BOI
33h 15m
2 stops
$791Air Canada
Mon, Sep 21 - Wed, Sep 30
American Airlines Logo
2:55 pm - 5:05 pm
BOI
-
BCN
18h 10m
2 stops
American Airlines Logo
10:15 am - 10:17 pm
BCN
-
BOI
20h 02m
2 stops
$797American Airlines
Sun, Aug 9 - Thu, Aug 20
Multiple Airlines Logo
5:14 pm - 8:20 pm
BOI
-
BCN
19h 06m
2 stops
Multiple Airlines Logo
10:15 am - 10:17 pm
BCN
-
BOI
20h 02m
2 stops
$800Multiple Airlines
Sun, Aug 9 - Thu, Aug 20
American Airlines Logo
6:44 am - 10:10 am
BOI
-
BCN
19h 26m
1 stop
American Airlines Logo
10:15 am - 10:17 pm
BCN
-
BOI
20h 02m
2 stops
$801American Airlines
Sun, Aug 9 - Thu, Aug 20
Multiple Airlines Logo
6:44 am - 10:10 am
BOI
-
BCN
19h 26m
1 stop
Multiple Airlines Logo
3:35 pm - 2:02 pm
BCN
-
BOI
30h 27m
2 stops
$808Multiple Airlines
Mon, Aug 10 - Fri, Aug 21
Multiple Airlines Logo
6:44 am - 10:10 am
BOI
-
BCN
19h 26m
1 stop
Multiple Airlines Logo
6:30 pm - 2:02 pm
BCN
-
BOI
27h 32m
2 stops
$819Multiple Airlines
Sun, Aug 9 - Thu, Aug 20
Multiple Airlines Logo
1:29 pm - 10:55 am
BOI
-
BCN
13h 26m
1 stop
Multiple Airlines Logo
6:40 pm - 12:49 pm
BCN
-
BOI
26h 09m
2 stops
$827Multiple Airlines
Mon, Apr 20 - Tue, May 5
American Airlines Logo
2:55 pm - 5:05 pm
BOI
-
BCN
18h 10m
2 stops
American Airlines Logo
10:45 am - 10:17 pm
BCN
-
BOI
19h 32m
1 stop
$833American Airlines
Sun, Aug 9 - Thu, Aug 20

Air Canada flights from Boise to Barcelona

Our best Air Canada deals on Boise to Barcelona flight tickets
Air Canada
Sep 21
BOI5:00 amBoise Air Term. Gowen Fld
44h 20m
2 stops
BCN9:20 amBarcelona-El Prat
Sep 30
BCN12:15 pmBarcelona-El Prat
33h 15m
2 stops
BOI1:30 pmBoise Air Term. Gowen Fld
$791
Air Canada
Mar 29
BOI5:00 amBoise Air Term. Gowen Fld
20h 20m
3 stops
BCN9:20 amBarcelona-El Prat
Apr 7
BCN12:15 pmBarcelona-El Prat
31h 34m
3 stops
BOI11:49 amBoise Air Term. Gowen Fld
$1,872
Air Canada
Mar 29
BOI6:15 amBoise Air Term. Gowen Fld
19h 05m
3 stops
BCN9:20 amBarcelona-El Prat
Apr 7
BCN12:15 pmBarcelona-El Prat
31h 34m
3 stops
BOI11:49 amBoise Air Term. Gowen Fld
$2,082

Finnair flights from Boise to Barcelona

Our best Finnair deals on Boise to Barcelona flight tickets
Finnair
Sep 21
BOI6:44 amBoise Air Term. Gowen Fld
19h 26m
1 stop
BCN10:10 amBarcelona-El Prat
Sep 30
BCN10:45 amBarcelona-El Prat
19h 32m
1 stop
BOI10:17 pmBoise Air Term. Gowen Fld
$835
Finnair
Apr 20
BOI1:29 pmBoise Air Term. Gowen Fld
13h 26m
1 stop
BCN10:55 amBarcelona-El Prat
May 5
BCN10:45 amBarcelona-El Prat
19h 53m
1 stop
BOI10:38 pmBoise Air Term. Gowen Fld
$879
Finnair
Apr 12
BOI1:29 pmBoise Air Term. Gowen Fld
25h 21m
2 stops
BCN10:50 pmBarcelona-El Prat
Apr 22
BCN10:45 amBarcelona-El Prat
20h 09m
1 stop
BOI10:54 pmBoise Air Term. Gowen Fld
$912

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 28, 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

Tue 4/21

1:41 pm-3:40 pm

2 stops17h 59m

Barcelona-El Prat

Tue 4/28

7:40 am-10:38 pm

2 stops22h 58m

$767

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 4/21

6:00 am-7:35 am

1 stop17h 35m

Barcelona-El Prat

Tue 4/28

7:40 am-9:07 pm

2 stops21h 27m

$768

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 9/21

5:00 am-9:20 am

2 stops44h 20m

Barcelona-El Prat

Wed 9/30

12:15 pm-1:30 pm

2 stops33h 15m

$791

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

2:55 pm-5:05 pm

2 stops18h 10m

Barcelona-El Prat

Thu 8/20

10:15 am-10:17 pm

2 stops20h 02m

$797

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

5:14 pm-8:20 pm

2 stops19h 06m

Barcelona-El Prat

Thu 8/20

10:15 am-10:17 pm

2 stops20h 02m

$800

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

6:44 am-10:10 am

1 stop19h 26m

Barcelona-El Prat

Thu 8/20

10:15 am-10:17 pm

2 stops20h 02m

$801

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 8/10

6:44 am-10:10 am

1 stop19h 26m

Barcelona-El Prat

Fri 8/21

3:35 pm-2:02 pm

2 stops30h 27m

$808

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

6:44 am-10:10 am

1 stop19h 26m

Barcelona-El Prat

Thu 8/20

6:30 pm-2:02 pm

2 stops27h 32m

$819

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 4/20

1:29 pm-10:55 am

1 stop13h 26m

Barcelona-El Prat

Tue 5/5

6:40 pm-12:49 pm

2 stops26h 09m

$827
Quickest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

2:55 pm-5:05 pm

2 stops18h 10m

Barcelona-El Prat

Thu 8/20

10:45 am-10:17 pm

1 stop19h 32m

$833

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

18h 30m

Direct flights

None
The fastest flight from Boise to Barcelona takes 18h 30m
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 18h 30m.

  • 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
3,157 reviews
Search Iberia flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,501 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,357 reviews
Search Delta flights
American AirlinesPriceFrom $634Free CancellationRating
7.1
11,520 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,853 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