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Cheap flights from Boise to Barcelona from $841

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 6/3. 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.
United Airlines Logo
12:34 pm - 1:15 pm
BOI
-
BCN
16h 41m
1 stop
United Airlines Logo
12:15 pm - 10:53 pm
BCN
-
BOI
42h 38m
2 stops
$861United Airlines
Mon, Aug 10 - Fri, Aug 21
United Airlines Logo
2:05 pm - 8:00 am
BOI
-
BCN
33h 55m
2 stops
United Airlines Logo
12:15 pm - 10:53 pm
BCN
-
BOI
42h 38m
2 stops
$864United Airlines
Mon, Aug 10 - Fri, Aug 21
Lufthansa Logo
12:34 pm - 1:15 pm
BOI
-
BCN
16h 41m
1 stop
Lufthansa Logo
3:15 pm - 10:53 pm
BCN
-
BOI
15h 38m
1 stop
$866Lufthansa
Mon, Aug 10 - Fri, Aug 21
Air Canada Logo
7:05 pm - 8:00 am
BOI
-
BCN
28h 55m
2 stops
Air Canada Logo
1:15 pm - 3:31 pm
BCN
-
BOI
34h 16m
2 stops
$869Air Canada
Sun, Aug 9 - Thu, Aug 20
Air Canada Logo
6:30 am - 9:20 am
BOI
-
BCN
42h 50m
2 stops
Air Canada Logo
1:15 pm - 3:31 pm
BCN
-
BOI
34h 16m
2 stops
$874Air Canada
Sun, Aug 9 - Thu, Aug 20
Air Canada Logo
5:46 pm - 8:00 am
BOI
-
BCN
30h 14m
2 stops
Air Canada Logo
1:15 pm - 3:31 pm
BCN
-
BOI
34h 16m
2 stops
$875Air Canada
Sun, Aug 9 - Thu, Aug 20
Air Canada Logo
5:00 am - 8:00 am
BOI
-
BCN
19h 00m
2 stops
Air Canada Logo
1:15 pm - 3:31 pm
BCN
-
BOI
34h 16m
2 stops
$877Air Canada
Tue, Aug 4 - Tue, Aug 18
American Airlines Logo
2:49 pm - 5:05 pm
BOI
-
BCN
18h 16m
2 stops
American Airlines Logo
10:45 am - 10:20 pm
BCN
-
BOI
19h 35m
1 stop
$878American Airlines
Sun, Aug 9 - Thu, Aug 20
American Airlines Logo
12:17 pm - 10:10 am
BOI
-
BCN
13h 53m
1 stop
American Airlines Logo
10:45 am - 10:20 pm
BCN
-
BOI
19h 35m
1 stop
$881American Airlines
Mon, Aug 10 - Fri, Aug 21
American Airlines Logo
3:04 pm - 5:05 pm
BOI
-
BCN
18h 01m
2 stops
American Airlines Logo
10:45 am - 10:58 pm
BCN
-
BOI
20h 13m
2 stops
$882American Airlines
Sun, Aug 9 - Thu, Aug 20

Delta flights from Boise to Barcelona

Our best Delta deals on Boise to Barcelona flight tickets
Delta
Aug 9
BOI11:35 pmBoise Air Term. Gowen Fld
29h 15m
1 stop
BCN12:50 pmBarcelona-El Prat
Aug 20
BCN11:00 amBarcelona-El Prat
19h 19m
1 stop
BOI10:19 pmBoise Air Term. Gowen Fld
$912
Delta
Jun 2
BOI5:45 amBoise Air Term. Gowen Fld
21h 25m
1 stop
BCN11:10 amBarcelona-El Prat
Jun 13
BCN10:55 amBarcelona-El Prat
30h 37m
2 stops
BOI9:32 amBoise Air Term. Gowen Fld
$1,328
Delta
Jun 6
BOI7:05 amBoise Air Term. Gowen Fld
21h 45m
2 stops
BCN12:50 pmBarcelona-El Prat
Jun 14
BCN1:20 pmBarcelona-El Prat
17h 13m
1 stop
BOI10:33 pmBoise Air Term. Gowen Fld
$8,830

Lufthansa flights from Boise to Barcelona

Our best Lufthansa deals on Boise to Barcelona flight tickets
Lufthansa
Aug 10
BOI12:34 pmBoise Air Term. Gowen Fld
16h 41m
1 stop
BCN1:15 pmBarcelona-El Prat
Aug 21
BCN3:15 pmBarcelona-El Prat
15h 38m
1 stop
BOI10:53 pmBoise Air Term. Gowen Fld
$866
Lufthansa
Aug 9
BOI12:38 pmBoise Air Term. Gowen Fld
23h 07m
2 stops
BCN7:45 pmBarcelona-El Prat
Aug 20
BCN7:55 amBarcelona-El Prat
21h 42m
2 stops
BOI9:37 pmBoise Air Term. Gowen Fld
$890
Lufthansa
Aug 6
BOI12:34 pmBoise Air Term. Gowen Fld
18h 21m
2 stops
BCN2:55 pmBarcelona-El Prat
Aug 21
BCN3:15 pmBarcelona-El Prat
15h 38m
1 stop
BOI10:53 pmBoise Air Term. Gowen Fld
$921

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 May 23, 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

Mon 8/10

12:34 pm-1:15 pm

1 stop16h 41m

Barcelona-El Prat

Fri 8/21

12:15 pm-10:53 pm

2 stops42h 38m

$861

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 8/10

2:05 pm-8:00 am

2 stops33h 55m

Barcelona-El Prat

Fri 8/21

12:15 pm-10:53 pm

2 stops42h 38m

$864
Quickest round-trip

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 8/10

12:34 pm-1:15 pm

1 stop16h 41m

Barcelona-El Prat

Fri 8/21

3:15 pm-10:53 pm

1 stop15h 38m

$866

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

7:05 pm-8:00 am

2 stops28h 55m

Barcelona-El Prat

Thu 8/20

1:15 pm-3:31 pm

2 stops34h 16m

$869

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

6:30 am-9:20 am

2 stops42h 50m

Barcelona-El Prat

Thu 8/20

1:15 pm-3:31 pm

2 stops34h 16m

$874

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

5:46 pm-8:00 am

2 stops30h 14m

Barcelona-El Prat

Thu 8/20

1:15 pm-3:31 pm

2 stops34h 16m

$875

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 8/4

5:00 am-8:00 am

2 stops19h 00m

Barcelona-El Prat

Tue 8/18

1:15 pm-3:31 pm

2 stops34h 16m

$877

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

2:49 pm-5:05 pm

2 stops18h 16m

Barcelona-El Prat

Thu 8/20

10:45 am-10:20 pm

1 stop19h 35m

$878

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 8/10

12:17 pm-10:10 am

1 stop13h 53m

Barcelona-El Prat

Fri 8/21

10:45 am-10:20 pm

1 stop19h 35m

$881

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

3:04 pm-5:05 pm

2 stops18h 01m

Barcelona-El Prat

Thu 8/20

10:45 am-10:58 pm

2 stops20h 13m

$882

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 February is, on average, the cheapest month to fly to Barcelona from Boise, with most prices found around $467. 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 $492.

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

15h 35m

Direct flights

None
The fastest flight from Boise to Barcelona takes 15h 35m
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 15h 35m.

  • 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
3,219 reviews
Search Iberia flights
United AirlinesPriceFrom $498Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
DeltaPriceFrom $599Free CancellationRating
7.9
8,445 reviews
Search Delta flights
American AirlinesPriceFrom $634Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
Air CanadaPriceFrom $856Free CancellationRating
7.1
11,077 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