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Cheap flights from Boise to Barcelona from $447

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 4/21. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:40 am - 8:00 amBOI-BCN
18h 20m2 stops
Delta Logo
10:55 am - 9:56 amBCN-BOI
31h 01m2 stops
$463Delta
Find Deal
Fri, Feb 20 - Fri, Feb 27
Delta Logo
8:50 am - 5:05 pmBOI-BCN
24h 15m2 stops
Delta Logo
10:55 am - 12:31 pmBCN-BOI
33h 36m1 stop
$468Delta
Find Deal
Fri, Feb 20 - Fri, Feb 27
Delta Logo
6:15 pm - 8:00 amBOI-BCN
29h 45m2 stops
Delta Logo
10:15 am - 10:24 amBCN-BOI
32h 09m2 stops
$474Delta
Find Deal
Sat, Jan 24 - Mon, Feb 2
American Airlines Logo
3:21 pm - 4:05 pmBOI-BCN
16h 44m2 stops
American Airlines Logo
10:40 am - 7:25 pmBCN-BOI
16h 45m1 stop
$480American Airlines
Find Deal
Sat, Jan 24 - Mon, Feb 2
Multiple Airlines Logo
7:20 am - 8:50 amBOI-BCN
17h 30m1 stop
Multiple Airlines Logo
10:40 am - 7:25 pmBCN-BOI
16h 45m1 stop
$484Multiple Airlines
Find Deal
Sat, Jan 24 - Mon, Feb 2
Multiple Airlines Logo
7:00 am - 8:50 amBOI-BCN
17h 50m1 stop
Multiple Airlines Logo
3:05 pm - 12:43 pmBCN-BOI
29h 38m2 stops
$488Multiple Airlines
Find Deal
Mon, Feb 16 - Sun, Feb 22
Multiple Airlines Logo
7:00 am - 7:55 pmBOI-BCN
28h 55m2 stops
Multiple Airlines Logo
10:40 am - 10:36 pmBCN-BOI
19h 56m1 stop
$492Multiple Airlines
Find Deal
Mon, Feb 16 - Sun, Feb 22
Multiple Airlines Logo
10:36 am - 2:00 pmBOI-BCN
19h 24m2 stops
Multiple Airlines Logo
6:00 am - 8:57 pmBCN-BOI
22h 57m2 stops
$583Multiple Airlines
Find Deal
Mon, Feb 16 - Sun, Feb 22
Delta Logo
5:20 am - 5:05 pmBOI-BCN
27h 45m2 stops
Delta Logo
6:00 am - 11:07 pmBCN-BOI
25h 07m2 stops
$584Delta
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Mon, Feb 16 - Sun, Feb 22
United Airlines Logo
5:10 pm - 4:20 pmBOI-BCN
39h 10m2 stops
United Airlines Logo
6:50 am - 10:51 pmBCN-BOI
24h 01m2 stops
$606United Airlines
Find Deal
Mon, Feb 16 - Sun, Feb 22

Icelandair flights from Boise to Barcelona

Our best Icelandair deals on Boise to Barcelona flight tickets
Icelandair
Mar 18
BOI12:55 pmBoise Air Term. Gowen Fld
17h 20m
2 stops
BCN1:15 pmBarcelona-El Prat
Apr 6
BCN3:45 pmBarcelona-El Prat
38h 36m
2 stops
BOI10:21 pmBoise Air Term. Gowen Fld
$839
Find similar
Icelandair
Mar 31
BOI12:55 pmBoise Air Term. Gowen Fld
17h 50m
2 stops
BCN2:45 pmBarcelona-El Prat
Apr 8
BCN3:45 pmBarcelona-El Prat
38h 36m
2 stops
BOI10:21 pmBoise Air Term. Gowen Fld
$973
Find similar
Icelandair
Mar 30
BOI4:30 pmBoise Air Term. Gowen Fld
38h 15m
2 stops
BCN2:45 pmBarcelona-El Prat
Apr 8
BCN3:45 pmBarcelona-El Prat
38h 36m
2 stops
BOI10:21 pmBoise Air Term. Gowen Fld
$975
Find similar

Air Canada flights from Boise to Barcelona

Our best Air Canada deals on Boise to Barcelona flight tickets
Air Canada
Mar 17
BOI2:43 pmBoise Air Term. Gowen Fld
34h 52m
3 stops
BCN8:35 amBarcelona-El Prat
Mar 30
BCN1:15 pmBarcelona-El Prat
32h 11m
3 stops
BOI1:26 pmBoise Air Term. Gowen Fld
$890
Find similar
Air Canada
Mar 18
BOI5:00 amBoise Air Term. Gowen Fld
20h 35m
2 stops
BCN8:35 amBarcelona-El Prat
Apr 7
BCN1:15 pmBarcelona-El Prat
41h 20m
2 stops
BOI10:35 pmBoise Air Term. Gowen Fld
$921
Find similar
Air Canada
Nov 19
BOI6:15 amBoise Air Term. Gowen Fld
19h 20m
3 stops
BCN9:35 amBarcelona-El Prat
Nov 27
BCN1:35 pmBarcelona-El Prat
30h 04m
3 stops
BOI11:39 amBoise Air Term. Gowen Fld
$1,628
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 November 13, 2025.
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

5:40 am-8:00 am

2 stops18h 20m

Barcelona-El Prat

Fri 2/27

10:55 am-9:56 am

2 stops31h 01m

$463

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

8:50 am-5:05 pm

2 stops24h 15m

Barcelona-El Prat

Fri 2/27

10:55 am-12:31 pm

1 stop33h 36m

$468

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sat 1/24

6:15 pm-8:00 am

2 stops29h 45m

Barcelona-El Prat

Mon 2/2

10:15 am-10:24 am

2 stops32h 09m

$474

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sat 1/24

3:21 pm-4:05 pm

2 stops16h 44m

Barcelona-El Prat

Mon 2/2

10:40 am-7:25 pm

1 stop16h 45m

$480

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sat 1/24

7:20 am-8:50 am

1 stop17h 30m

Barcelona-El Prat

Mon 2/2

10:40 am-7:25 pm

1 stop16h 45m

$484

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Sun 2/22

3:05 pm-12:43 pm

2 stops29h 38m

$488

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

7:00 am-7:55 pm

2 stops28h 55m

Barcelona-El Prat

Sun 2/22

10:40 am-10:36 pm

1 stop19h 56m

$492

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

10:36 am-2:00 pm

2 stops19h 24m

Barcelona-El Prat

Sun 2/22

6:00 am-8:57 pm

2 stops22h 57m

$583

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

5:20 am-5:05 pm

2 stops27h 45m

Barcelona-El Prat

Sun 2/22

6:00 am-11:07 pm

2 stops25h 07m

$584

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

5:10 pm-4:20 pm

2 stops39h 10m

Barcelona-El Prat

Sun 2/22

6:50 am-10:51 pm

2 stops24h 01m

$606

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 November is, on average, the cheapest month to fly to Barcelona from Boise, with most prices found around $631. If you don’t want to visit Barcelona in November, then you should wait until February to fly from Boise, when ticket prices are also cheap, with an average price of $634.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from Boise to Barcelona is on a Sunday when prices can be found for as low as $813. On the other hand, Friday is the most expensive day to depart from Boise because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,459.

What is the cheapest time of day to depart on your flight to Barcelona?

In the evening is the cheapest time of day to fly from Boise to Barcelona when you can find flight prices for as low as $842. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,010 on average. Flights to Barcelona from Boise in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Boise to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Barcelona

Direct flights

None
There are no direct flights from Boise to Barcelona. There are no popular flight routes from Boise to Barcelona.
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  • 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 44m.

  • 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
9,015 reviews
Search United Airlines flights
FinnairPriceFrom $637Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
American AirlinesPriceFrom $641Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,444 reviews
Search Air Canada flights
DeltaPriceFrom $726Free CancellationRating
7.9
8,007 reviews
Search Delta 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