Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Boise to Barcelona from $408

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 5/4. 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.
Air Canada Logo
6:30 am - 8:00 am
BOI
-
BCN
17h 30m
2 stops
Air Canada Logo
12:15 pm - 11:05 pm
BCN
-
BOI
42h 50m
2 stops
$821Air Canada
Sun, Sep 20 - Wed, Sep 30
Iberia Logo
6:44 am - 10:10 am
BOI
-
BCN
19h 26m
1 stop
Iberia Logo
10:45 am - 10:17 pm
BCN
-
BOI
19h 32m
1 stop
$836Iberia
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 - 11:26 am
BCN
-
BOI
27h 51m
2 stops
$840Multiple 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
3:35 pm - 2:02 pm
BCN
-
BOI
30h 27m
2 stops
$841Multiple Airlines
Mon, Aug 10 - Fri, Aug 21
American Airlines Logo
2:55 pm - 5:35 pm
BOI
-
BCN
18h 40m
2 stops
American Airlines Logo
10:15 am - 10:17 pm
BCN
-
BOI
20h 02m
2 stops
$847American Airlines
Mon, Aug 10 - Fri, Aug 21
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
$849Multiple 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
$851American Airlines
Sun, Aug 9 - Thu, Aug 20
Lufthansa Logo
2:41 pm - 4:15 pm
BOI
-
BCN
17h 34m
2 stops
Lufthansa Logo
6:40 am - 9:25 pm
BCN
-
BOI
22h 45m
2 stops
$852Lufthansa
Sun, Aug 9 - Thu, Aug 20
Iberia Logo
12:10 pm - 10:10 am
BOI
-
BCN
14h 00m
1 stop
Iberia Logo
10:45 am - 10:17 pm
BCN
-
BOI
19h 32m
1 stop
$853Iberia
Sun, Aug 9 - Thu, Aug 20
Multiple Airlines Logo
9:02 am - 10:10 pm
BOI
-
BCN
29h 08m
2 stops
Multiple Airlines Logo
10:25 am - 11:58 pm
BCN
-
BOI
21h 33m
2 stops
$861Multiple Airlines
Sun, May 3 - Tue, May 19

American Airlines flights from Boise to Barcelona

Our best American Airlines deals on Boise to Barcelona flight tickets
American Airlines
Aug 10
BOI2:55 pmBoise Air Term. Gowen Fld
18h 40m
2 stops
BCN5:35 pmBarcelona-El Prat
Aug 21
BCN10:15 amBarcelona-El Prat
20h 02m
2 stops
BOI10:17 pmBoise Air Term. Gowen Fld
$847
American Airlines
Aug 9
BOI6:44 amBoise Air Term. Gowen Fld
19h 26m
1 stop
BCN10:10 amBarcelona-El Prat
Aug 20
BCN10:15 amBarcelona-El Prat
20h 02m
2 stops
BOI10:17 pmBoise Air Term. Gowen Fld
$851
American Airlines
May 3
BOI6:26 pmBoise Air Term. Gowen Fld
17h 54m
2 stops
BCN8:20 pmBarcelona-El Prat
May 19
BCN10:30 amBarcelona-El Prat
20h 08m
2 stops
BOI10:38 pmBoise Air Term. Gowen Fld
$871

United Airlines flights from Boise to Barcelona

Our best United Airlines deals on Boise to Barcelona flight tickets
United Airlines
Aug 31
BOI7:01 pmBoise Air Term. Gowen Fld
28h 59m
2 stops
BCN8:00 amBarcelona-El Prat
Sep 9
BCN12:15 pmBarcelona-El Prat
41h 10m
2 stops
BOI9:25 pmBoise Air Term. Gowen Fld
$864
United Airlines
Aug 31
BOI7:01 pmBoise Air Term. Gowen Fld
35h 19m
1 stop
BCN2:20 pmBarcelona-El Prat
Sep 9
BCN12:15 pmBarcelona-El Prat
41h 10m
2 stops
BOI9:25 pmBoise Air Term. Gowen Fld
$867
United Airlines
Apr 29
BOI9:26 amBoise Air Term. Gowen Fld
21h 29m
2 stops
BCN2:55 pmBarcelona-El Prat
May 15
BCN12:15 pmBarcelona-El Prat
36h 33m
2 stops
BOI4:48 pmBoise Air Term. Gowen Fld
$868

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 April 5, 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 9/20

6:30 am-8:00 am

2 stops17h 30m

Barcelona-El Prat

Wed 9/30

12:15 pm-11:05 pm

2 stops42h 50m

$821

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

10:45 am-10:17 pm

1 stop19h 32m

$836

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-11:26 am

2 stops27h 51m

$840

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

$841

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 8/10

2:55 pm-5:35 pm

2 stops18h 40m

Barcelona-El Prat

Fri 8/21

10:15 am-10:17 pm

2 stops20h 02m

$847

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

$849

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

$851

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

2:41 pm-4:15 pm

2 stops17h 34m

Barcelona-El Prat

Thu 8/20

6:40 am-9:25 pm

2 stops22h 45m

$852
Quickest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

12:10 pm-10:10 am

1 stop14h 00m

Barcelona-El Prat

Thu 8/20

10:45 am-10:17 pm

1 stop19h 32m

$853

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 5/3

9:02 am-10:10 pm

2 stops29h 08m

Barcelona-El Prat

Tue 5/19

10:25 am-11:58 pm

2 stops21h 33m

$861

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 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

17h 30m

Direct flights

None
The fastest flight from Boise to Barcelona takes 17h 30m
There are no direct flights from Boise to Barcelona. There are no popular flight routes from Boise to Barcelona.
Search flight deals

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 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
3,163 reviews
Search Iberia flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,546 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,383 reviews
Search Delta flights
American AirlinesPriceFrom $634Free CancellationRating
7.1
11,550 reviews
Search American Airlines flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,895 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.

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
Tue 5/5
Tue 5/12
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