Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Boise to Barcelona from $368

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 3/25. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boise to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:40 am - 3:40 pmBOI-BCN
23h 00m1 stop
United Airlines Logo
6:50 am - 6:07 pmBCN-BOI
18h 17m2 stops
$486United Airlines
Find Deal
Wed, Mar 4 - Tue, Mar 10
Delta Logo
7:30 pm - 8:40 amBOI-BCN
29h 10m2 stops
Delta Logo
10:55 am - 10:24 amBCN-BOI
31h 29m2 stops
$488Delta
Find Deal
Mon, Feb 16 - Sun, Feb 22
Delta Logo
8:40 am - 5:05 pmBOI-BCN
24h 25m2 stops
Delta Logo
10:55 am - 12:45 pmBCN-BOI
33h 50m1 stop
$493Delta
Find Deal
Fri, Feb 20 - Fri, Feb 27
Finnair Logo
7:20 am - 8:50 amBOI-BCN
17h 30m1 stop
Finnair Logo
10:40 am - 7:25 pmBCN-BOI
16h 45m1 stop
$498Finnair
Find Deal
Thu, Jan 29 - Thu, Feb 5
American Airlines Logo
3:13 pm - 6:25 pmBOI-BCN
19h 12m2 stops
American Airlines Logo
10:40 am - 7:25 pmBCN-BOI
16h 45m1 stop
$505American Airlines
Find Deal
Thu, Jan 29 - Thu, Feb 5
Multiple Airlines Logo
7:39 am - 8:50 amBOI-BCN
17h 11m1 stop
Multiple Airlines Logo
10:40 am - 9:09 pmBCN-BOI
18h 29m1 stop
$509Multiple Airlines
Find Deal
Fri, Feb 20 - Fri, Feb 27
United Airlines Logo
5:00 am - 9:35 amBOI-BCN
20h 35m2 stops
United Airlines Logo
1:35 pm - 10:45 pmBCN-BOI
41h 10m2 stops
$510United Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
Delta Logo
7:30 am - 3:00 pmBOI-BCN
23h 30m2 stops
Delta Logo
6:00 am - 12:42 amBCN-BOI
26h 42m2 stops
$516Delta
Find Deal
Fri, Nov 28 - Fri, Dec 5
American Airlines Logo
7:39 am - 8:50 amBOI-BCN
17h 11m1 stop
American Airlines Logo
10:40 am - 9:09 pmBCN-BOI
18h 29m1 stop
$533American Airlines
Find Deal
Fri, Feb 20 - Fri, Feb 27
Air Canada Logo
5:00 am - 9:35 amBOI-BCN
20h 35m3 stops
Air Canada Logo
1:35 pm - 12:17 pmBCN-BOI
30h 42m3 stops
$546Air Canada
Find Deal
Thu, Nov 27 - Thu, Dec 4

United Airlines flights from Boise to Barcelona

Our best United Airlines deals on Boise to Barcelona flight tickets
United Airlines
Mar 4
BOI8:40 amBoise Air Term. Gowen Fld
23h 00m
1 stop
BCN3:40 pmBarcelona-El Prat
Mar 10
BCN6:50 amBarcelona-El Prat
18h 17m
2 stops
BOI6:07 pmBoise Air Term. Gowen Fld
$486
Find similar
United Airlines
Nov 27
BOI5:00 amBoise Air Term. Gowen Fld
20h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Dec 4
BCN1:35 pmBarcelona-El Prat
41h 10m
2 stops
BOI10:45 pmBoise Air Term. Gowen Fld
$510
Find similar
United Airlines
Nov 29
BOI5:00 amBoise Air Term. Gowen Fld
20h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Dec 6
BCN6:50 amBarcelona-El Prat
23h 55m
2 stops
BOI10:45 pmBoise Air Term. Gowen Fld
$535
Find similar

American Airlines flights from Boise to Barcelona

Our best American Airlines deals on Boise to Barcelona flight tickets
American Airlines
Jan 29
BOI3:13 pmBoise Air Term. Gowen Fld
19h 12m
2 stops
BCN6:25 pmBarcelona-El Prat
Feb 5
BCN10:40 amBarcelona-El Prat
16h 45m
1 stop
BOI7:25 pmBoise Air Term. Gowen Fld
$505
Find similar
American Airlines
Feb 20
BOI7:39 amBoise Air Term. Gowen Fld
17h 11m
1 stop
BCN8:50 amBarcelona-El Prat
Feb 27
BCN10:40 amBarcelona-El Prat
18h 29m
1 stop
BOI9:09 pmBoise Air Term. Gowen Fld
$533
Find similar
American Airlines
Feb 20
BOI1:48 pmBoise Air Term. Gowen Fld
18h 42m
2 stops
BCN4:30 pmBarcelona-El Prat
Feb 27
BCN10:40 amBarcelona-El Prat
20h 53m
2 stops
BOI11:33 pmBoise Air Term. Gowen Fld
$534
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 October 15, 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

Wed 3/4

8:40 am-3:40 pm

1 stop23h 00m

Barcelona-El Prat

Tue 3/10

6:50 am-6:07 pm

2 stops18h 17m

$486

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

7:30 pm-8:40 am

2 stops29h 10m

Barcelona-El Prat

Sun 2/22

10:55 am-10:24 am

2 stops31h 29m

$488

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

8:40 am-5:05 pm

2 stops24h 25m

Barcelona-El Prat

Fri 2/27

10:55 am-12:45 pm

1 stop33h 50m

$493

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 1/29

7:20 am-8:50 am

1 stop17h 30m

Barcelona-El Prat

Thu 2/5

10:40 am-7:25 pm

1 stop16h 45m

$498

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 1/29

3:13 pm-6:25 pm

2 stops19h 12m

Barcelona-El Prat

Thu 2/5

10:40 am-7:25 pm

1 stop16h 45m

$505

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

7:39 am-8:50 am

1 stop17h 11m

Barcelona-El Prat

Fri 2/27

10:40 am-9:09 pm

1 stop18h 29m

$509

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 11/27

5:00 am-9:35 am

2 stops20h 35m

Barcelona-El Prat

Thu 12/4

1:35 pm-10:45 pm

2 stops41h 10m

$510

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 11/28

7:30 am-3:00 pm

2 stops23h 30m

Barcelona-El Prat

Fri 12/5

6:00 am-12:42 am

2 stops26h 42m

$516

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

7:39 am-8:50 am

1 stop17h 11m

Barcelona-El Prat

Fri 2/27

10:40 am-9:09 pm

1 stop18h 29m

$533

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 11/27

5:00 am-9:35 am

3 stops20h 35m

Barcelona-El Prat

Thu 12/4

1:35 pm-12:17 pm

3 stops30h 42m

$546

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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.
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 17h 11m.

  • 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
8,976 reviews
Search United Airlines flights
DeltaPriceFrom $607Free CancellationRating
7.9
7,978 reviews
Search Delta flights
FinnairPriceFrom $637Free CancellationRating
7.6
1,332 reviews
Search Finnair flights
American AirlinesPriceFrom $641Free CancellationRating
7.2
11,042 reviews
Search American Airlines 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.

An easier way to manage your Barcelona trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 11/14
Fri 11/21
By creating a price alert you accept our terms of use and privacy policy.

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