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Cheap flights from Boise to Spain from $286

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 Spain departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boise to Spain

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:02 pm - 4:30 pm
BOI
-
BCN
16h 28m2 stops
Multiple Airlines Logo
10:40 am - 10:36 pm
BCN
-
BOI
19h 56m1 stop
$481Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Air Canada Logo
2:37 pm - 9:35 am
BOI
-
BCN
34h 58m2 stops
Air Canada Logo
1:35 pm - 10:12 am
BCN
-
BOI
28h 37m2 stops
$482Air Canada
Thu, Feb 5 - Thu, Feb 12
Multiple Airlines Logo
7:00 am - 8:50 am
BOI
-
BCN
17h 50m1 stop
Multiple Airlines Logo
10:40 am - 10:36 pm
BCN
-
BOI
19h 56m1 stop
$484Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
American Airlines Logo
3:18 pm - 4:55 pm
BOI
-
MAD
17h 37m2 stops
American Airlines Logo
12:55 am - 12:46 pm
MAD
-
BOI
19h 51m1 stop
$485American Airlines
Thu, Feb 5 - Wed, Feb 11
United Airlines Logo
12:19 pm - 11:20 pm
BOI
-
BIO
27h 01m2 stops
United Airlines Logo
11:35 am - 11:48 pm
BIO
-
BOI
20h 13m2 stops
$489United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
5:00 am - 9:35 am
BOI
-
BCN
20h 35m2 stops
United Airlines Logo
6:50 am - 11:38 pm
BCN
-
BOI
24h 48m2 stops
$491United Airlines
Fri, Feb 20 - Fri, Feb 27
Delta Logo
12:45 pm - 3:00 pm
BOI
-
BCN
19h 15m2 stops
Delta Logo
9:45 am - 12:53 pm
BCN
-
BOI
34h 08m1 stop
$493Delta
Mon, Mar 9 - Mon, Mar 16
Delta Logo
11:30 pm - 7:40 am
BOI
-
BCN
25h 10m1 stop
Delta Logo
9:15 am - 9:55 am
BCN
-
BOI
31h 40m2 stops
$494Delta
Mon, Mar 9 - Mon, Mar 16
Iberia Logo
7:31 am - 9:05 am
BOI
-
MAD
17h 34m1 stop
Iberia Logo
12:40 pm - 9:07 pm
MAD
-
BOI
16h 27m1 stop
$656Iberia
Tue, Apr 7 - Tue, Apr 21
Iberia Logo
7:20 am - 9:05 pm
BOI
-
SCQ
29h 45m2 stops
Iberia Logo
1:45 pm - 9:18 pm
SCQ
-
BOI
39h 33m2 stops
$929Iberia
Fri, Jan 23 - Tue, Jan 27

United Airlines flights from Boise to Spain

Our best United Airlines deals on Boise to Spain flight tickets
United Airlines
Mar 4
BOI6:25 amBoise Air Term. Gowen Fld
17h 35m
2 stops
MAD8:00 amMadrid Barajas
Mar 10
MAD12:40 pmMadrid Barajas
41h 16m
2 stops
BOI10:56 pmBoise Air Term. Gowen Fld
$472
Find similar
United Airlines
Jan 30
BOI12:19 pmBoise Air Term. Gowen Fld
27h 01m
2 stops
BIO11:20 pmBilbao
Feb 3
BIO11:35 amBilbao
20h 13m
2 stops
BOI11:48 pmBoise Air Term. Gowen Fld
$489
Find similar
United Airlines
Feb 20
BOI5:00 amBoise Air Term. Gowen Fld
20h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Feb 27
BCN6:50 amBarcelona-El Prat
24h 48m
2 stops
BOI11:38 pmBoise Air Term. Gowen Fld
$491
Find similar

American Airlines flights from Boise to Spain

Our best American Airlines deals on Boise to Spain flight tickets
American Airlines
Feb 5
BOI3:18 pmBoise Air Term. Gowen Fld
17h 37m
2 stops
MAD4:55 pmMadrid Barajas
Feb 11
MAD12:55 amMadrid Barajas
19h 51m
1 stop
BOI12:46 pmBoise Air Term. Gowen Fld
$485
Find similar
American Airlines
Apr 7
BOI1:25 pmBoise Air Term. Gowen Fld
16h 00m
1 stop
MAD1:25 pmMadrid Barajas
Apr 21
MAD10:25 amMadrid Barajas
18h 42m
2 stops
BOI9:07 pmBoise Air Term. Gowen Fld
$660
Find similar
American Airlines
Apr 7
BOI7:31 amBoise Air Term. Gowen Fld
18h 04m
2 stops
MAD9:35 amMadrid Barajas
Apr 21
MAD10:25 amMadrid Barajas
18h 42m
2 stops
BOI9:07 pmBoise Air Term. Gowen Fld
$744
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Spain 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 December 23, 2025.
Use the filters below to find and compare flights from Boise to Spain 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

4:02 pm-4:30 pm

2 stops16h 28m

Barcelona-El Prat

Fri 2/27

10:40 am-10:36 pm

1 stop19h 56m

$481

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 2/5

2:37 pm-9:35 am

2 stops34h 58m

Barcelona-El Prat

Thu 2/12

1:35 pm-10:12 am

2 stops28h 37m

$482

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Fri 2/27

10:40 am-10:36 pm

1 stop19h 56m

$484

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Thu 2/5

3:18 pm-4:55 pm

2 stops17h 37m

Madrid Barajas

Wed 2/11

12:55 am-12:46 pm

1 stop19h 51m

$485

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Fri 1/30

12:19 pm-11:20 pm

2 stops27h 01m

Bilbao

Tue 2/3

11:35 am-11:48 pm

2 stops20h 13m

$489

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

5:00 am-9:35 am

2 stops20h 35m

Barcelona-El Prat

Fri 2/27

6:50 am-11:38 pm

2 stops24h 48m

$491

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/9

12:45 pm-3:00 pm

2 stops19h 15m

Barcelona-El Prat

Mon 3/16

9:45 am-12:53 pm

1 stop34h 08m

$493

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/9

11:30 pm-7:40 am

1 stop25h 10m

Barcelona-El Prat

Mon 3/16

9:15 am-9:55 am

2 stops31h 40m

$494

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 4/7

7:31 am-9:05 am

1 stop17h 34m

Madrid Barajas

Tue 4/21

12:40 pm-9:07 pm

1 stop16h 27m

$656

BoiseSantiago de Compostela

BOI - SCQ

BOISCQ

Boise Air Term. Gowen Fld

Fri 1/23

7:20 am-9:05 pm

2 stops29h 45m

Santiago de Compostela

Tue 1/27

1:45 pm-9:18 pm

2 stops39h 33m

$929

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 Spain from

How to get the cheapest flight ticket from Boise to Spain

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 cheapest month to fly to Spain?

If you don’t want to visit Spain in February, then you should wait until November to fly from Boise, when ticket prices are also cheap, with an average price of $631.

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

The cheapest day to depart from Boise to Spain is on a Sunday when prices can be found for as low as $813. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boise to Spain for around $1,459.

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

Flying to Spain from Boise in the evening is the least expensive time of day to depart. momondo users have found prices as low as $842 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Spain is in the morning when prices are around $1,010.

Can stopping save me money on Boise to Spain flights?

You could potentially save up to 9% on your flight if you consider stops on a Boise to Spain flight.

Cheap Boise to Spain flight deals and tips

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

Fastest flight time

13h 19m

Direct flights

None
The fastest flight from Boise to Spain takes 13h 19m
There are no direct flights from Boise to Spain. There are no popular flight routes from Boise to Spain.
Search flight deals

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Spain?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Spain are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Spain?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Spain?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boise Air Term. Gowen Fld Airport to Spain.

  • What documentation or ID do you need to fly to Spain?

    The travel and health documents you'll need for your trip to Spain may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Spain. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Boise to Spain

Compare and see reviews for airlines that fly from Boise to Spain with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $493Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
IberiaPriceFrom $505Free CancellationRating
7.0
3,056 reviews
Search Iberia flights
American AirlinesPriceFrom $602Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $617Free CancellationRating
7.9
8,014 reviews
Search Delta flights
FinnairPriceFrom $637Free CancellationRating
7.6
1,339 reviews
Search Finnair flights
Air CanadaPriceFrom $651Free CancellationRating
7.1
10,551 reviews
Search Air Canada flights
KLMPriceFrom $1,145Free CancellationRating
7.7
1,434 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Boise to Spain?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boise to Spain for you.

Can I find flights from Boise to Spain with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Spain from Boise with this policy.

How can momondo help me find flights from Boise to Spain?

momondo helps you find the best flight between Boise and Spain 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 Spain right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boise to Spain 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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