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$559+ Cheap flights from Boise (BOI) to Spain

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap flight deals from Boise to Spain

Keep the following information in mind while searching for Boise to Spain flight deals. Data was last updated abril 17, 2025.

Round-trip from

$658
(United Airlines)

One-way from

$584
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$898
From Boise Air Term. Gowen Fld to Spain
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One-way flight from Boise Air Term. Gowen Fld to Spain
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Highest demand for flights based on searches. 24% potential increase in price ($334 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Boise to Spain

Cheapest flights from Boise to Spain
Explore the most affordable flight options available from Boise to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This Air Canada deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/15:22 pmBOI - MAD
2 stops33h 18mAir Canada
vie. 11/1412:15 pmMAD - BOI
2 stops37h 40mAir Canada
Deal found 4/15$559
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/211:30 pmBOI - MAD
2 stops24h 30mDelta
jue. 11/1311:00 amMAD - BOI
2 stops21h 17mDelta
Deal found 4/15$581
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/1210:00 amBOI - BCN
1 stop20h 00mUnited Airlines
mié. 10/221:15 pmBCN - BOI
2 stops40h 17mUnited Airlines
Deal found 4/17$606
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/12:11 pmBOI - MAD
2 stops34h 54mUnited Airlines
sáb. 11/1512:15 pmMAD - BOI
2 stops40h 53mUnited Airlines
Deal found 4/15$608
This KLM deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/155:45 pmBOI - AGP
2 stops17h 30mKLM
mié. 10/228:05 pmAGP - BOI
2 stops30h 26mKLM
Deal found 4/16$609
This Justfly.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/122:42 pmBOI - BCN
2 stops34h 38mAir Canada
mié. 10/2212:15 pmBCN - BOI
2 stops41h 17mAir Canada
Deal found 4/16$611
This Finnair deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/157:30 amBOI - MAD
1 stop22h 50mMultiple Airlines
mié. 10/224:00 pmMAD - BOI
1 stop28h 34mMultiple Airlines
Deal found 4/17$632
This Orbitz deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/11:41 pmBOI - MAD
1 stop33h 34mIberia
vie. 11/1412:55 amMAD - BOI
1 stop28h 23mIberia
Deal found 4/15$638
This Air Canada deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/17:00 amBOI - BCN
2 stops16h 50mMultiple Airlines
mié. 10/812:15 pmBCN - BOI
2 stops19h 29mMultiple Airlines
Deal found 4/16$660
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/197:30 amBOI - MAD
1 stop22h 50mAmerican Airlines
mar. 9/3011:35 amMAD - BOI
2 stops20h 01mAmerican Airlines
Deal found 4/15$669
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/101:18 pmBOI - BCN
1 stop36h 02mDelta
vie. 5/239:30 amBCN - BOI
2 stops22h 52mDelta
Deal found 4/16$730
This Finnair deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/17:30 amBOI - BCN
1 stop18h 40mFinnair
mar. 10/712:20 pmBCN - BOI
1 stop16h 52mFinnair
Deal found 4/16$747

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated abril 17, 2025.
Use the filters below to find and compare flights from Boise to Spain that are best for you.

Fly from

Boise

Fly to

Spain

Route

Depart

Return

Price

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

sáb. 5/10

6:30 am-7:50 am

2 stops41h 20m

Barcelona-El Prat

vie. 5/23

12:15 pm-9:26 pm

2 stops41h 11m

$717

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

sáb. 5/10

1:18 pm-9:20 am

1 stop36h 02m

Barcelona-El Prat

vie. 5/23

9:30 am-12:22 am

2 stops22h 52m

$730

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

sáb. 5/17

2:43 pm-4:45 pm

2 stops42h 02m

Barcelona-El Prat

mar. 5/20

2:05 pm-5:11 pm

1 stop35h 06m

$803

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

mié. 4/30

1:10 pm-4:45 pm

2 stops19h 35m

Madrid Barajas

mié. 5/7

12:40 pm-12:23 am

2 stops19h 43m

$819

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

vie. 5/9

2:00 pm-9:20 am

2 stops59h 20m

Barcelona-El Prat

dom. 5/18

11:15 am-9:42 pm

2 stops42h 27m

$834

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

vie. 4/25

5:30 am-10:25 am

2 stops20h 55m

Bilbao

sáb. 5/10

6:50 am-8:34 pm

2 stops21h 44m

$942

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

mié. 4/30

7:05 am-10:35 pm

2 stops31h 30m

Madrid Barajas

mié. 5/7

12:40 pm-10:00 pm

1 stop17h 20m

$989

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

mié. 5/21

1:50 pm-6:10 pm

2 stops20h 20m

Barcelona-El Prat

dom. 5/25

7:00 pm-9:06 pm

2 stops34h 06m

$1,015

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

mié. 4/30

1:23 pm-2:20 pm

1 stop16h 57m

Madrid Barajas

mié. 5/7

12:40 pm-10:00 pm

1 stop17h 20m

$1,021

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

mar. 7/8

5:00 am-6:40 am

2 stops17h 40m

Madrid Barajas

mar. 7/15

12:45 pm-3:57 pm

2 stops35h 12m

$1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 24 results
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Best time to book a flight from Boise to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Boise with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Spain

What is the cheapest month to book a flight from Boise to Spain?

Currently, November is the cheapest month in which you can book a flight from Boise to Spain (average of $543). Flying from Boise to Spain in June is currently the most expensive (average of $1,101). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOI to ES?

Find hourly flight availability from Boise to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Spain as you normally would.

Rainfall in Spain by month

Plan your trip to Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

Plan your trip to Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Spain. Reviews last updated abril 17, 2025.
Read through reviews of airlines operating flights from Boise to Spain, such as Delta, Finnair and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,335 reviews
Delta
8.0
Very good
7,917 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Boise to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boise to Spain?

    Most people fly from Boise Air Term. Gowen Fld (BOI) if they book a flight from Boise to Spain. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

  • What are the cheapest airlines to fly from Boise to Spain one-way?

    One-way options have recently been found by users for as low as $604 on Air Canada. Other airlines that offer cheap prices include Delta from $619 and United Airlines from $628 one-way.

  • What are the most popular routes from Boise to Spain?

    When deciding which route to take from Boise to Spain consider Boise Air Term. Gowen Fld - Madrid Barajas, Boise Air Term. Gowen Fld - Bilbao or Boise Air Term. Gowen Fld - Barcelona-El Prat as they are the most popular.

  • Can I find deals for flights from Boise to Spain that include hotel bookings?

    Yes. In addition to deals on Boise to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Spain.

  • Can I find deals for business class flights from Boise to Spain?

    Yes. Cheapflights offers flight deals from Boise to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Spain?

    Currently, November is the cheapest month in which you can book a flight from Boise to Spain (average of $543). Flying from Boise to Spain in June is currently the most expensive (average of $1,101). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boise to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Boise to Munich flights

Top 5 airlines flying from Boise to Spain

Discover the top 5 airlines that operate flights from Boise to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$530Average$941FlexibilityNo cancel feeOn-time69%
IberiaCheapest$564Average$1,018FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$566Average$1,054FlexibilityNo cancel feeOn-time71%
DeltaCheapest$570Average$1,151FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$612Average$1,142FlexibilityNo cancel feeOn-time75%

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