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$468+ Cheap flights from Boise (BOI) to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$547
(American Airlines)

One-way from

$468
(Delta)

Popular in

June

Cheapest in

February

Average price

$1,044
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. 25% potential increase in price ($335 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 10/11:17 pmBOI - BCN
1 stop13h 13mAmerican Airlines
Tue 10/710:45 amBCN - BOI
2 stops20h 51mAmerican Airlines
Deal found 4/30$547
This Finnair deal was found by Cheapflights users on 4/30. 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.
Tue 9/237:30 amBOI - MAD
1 stop22h 50mMultiple Airlines
Thu 10/234:00 pmMAD - BOI
1 stop28h 34mMultiple Airlines
Deal found 4/30$552
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 10/12:45 pmBOI - BCN
1 stop15h 15mUnited Airlines
Tue 10/712:10 pmBCN - BOI
2 stops41h 22mUnited Airlines
Deal found 5/1$559
This Finnair deal was found by Cheapflights users on 4/30. 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.
Wed 10/17:30 amBOI - BCN
2 stops28h 35mMultiple Airlines
Wed 10/83:40 pmBCN - BOI
2 stops28h 54mMultiple Airlines
Deal found 4/30$564
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/211:41 pmBOI - BCN
2 stops22h 39mIberia
Tue 9/309:20 pmBCN - BOI
2 stops31h 54mIberia
Deal found 4/30$569
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 9/235:40 amBOI - MAD
2 stops18h 10mDelta
Thu 10/236:00 amMAD - BOI
2 stops18h 29mDelta
Deal found 4/30$574
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 9/237:00 amBOI - MAD
2 stops17h 20mUnited Airlines
Thu 10/2312:30 pmMAD - BOI
2 stops38h 04mUnited Airlines
Deal found 4/30$577
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Tue 9/235:00 amBOI - MAD
3 stops19h 20mAir Canada
Thu 10/2312:30 pmMAD - BOI
3 stops29h 12mAir Canada
Deal found 4/30$604
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 11/410:39 amBOI - BIO
3 stops23h 26mUnited Airlines
Tue 11/1111:35 amBIO - BOI
2 stops19h 30mUnited Airlines
Deal found 4/30$615
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 10/77:30 pmBOI - AGP
2 stops32h 15mDelta
Wed 10/225:55 amAGP - BOI
2 stops25h 25mDelta
Deal found 4/30$624
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 11/86:05 amBOI - BCN
2 stops17h 55mDelta
Mon 11/1710:55 amBCN - BOI
1 stop33h 43mDelta
Deal found 4/30$652
This Air France deal was found by Cheapflights users on 4/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:38 amBOI - BIO
2 stops16h 52mMultiple Airlines
Thu 11/138:30 amBIO - BOI
2 stops22h 13mMultiple Airlines
Deal found 4/30$656

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 May 1, 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

Wed 10/1

1:17 pm-10:30 am

1 stop13h 13m

Barcelona-El Prat

Tue 10/7

10:45 am-11:36 pm

2 stops20h 51m

$547

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 9/23

7:30 am-2:20 pm

1 stop22h 50m

Madrid Barajas

Thu 10/23

4:00 pm-12:34 pm

1 stop28h 34m

$552

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/1

2:45 pm-2:00 pm

1 stop15h 15m

Barcelona-El Prat

Tue 10/7

12:10 pm-9:32 pm

2 stops41h 22m

$559

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/1

7:30 am-8:05 pm

2 stops28h 35m

Barcelona-El Prat

Wed 10/8

3:40 pm-12:34 pm

2 stops28h 54m

$564

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 9/21

1:41 pm-8:20 pm

2 stops22h 39m

Barcelona-El Prat

Tue 9/30

9:20 pm-9:14 pm

2 stops31h 54m

$569

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 9/23

5:40 am-7:50 am

2 stops18h 10m

Madrid Barajas

Thu 10/23

6:00 am-4:29 pm

2 stops18h 29m

$574

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 9/23

7:00 am-8:20 am

2 stops17h 20m

Madrid Barajas

Thu 10/23

12:30 pm-6:34 pm

2 stops38h 04m

$577

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 9/23

5:00 am-8:20 am

3 stops19h 20m

Madrid Barajas

Thu 10/23

12:30 pm-9:42 am

3 stops29h 12m

$604

BoiseMálaga

BOI - AGP

BOIAGP

Boise Air Term. Gowen Fld

Tue 10/7

7:30 pm-11:45 am

2 stops32h 15m

Malaga

Wed 10/22

5:55 am-11:20 pm

2 stops25h 25m

$624

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Sun 8/31

5:39 pm-11:25 pm

2 stops45h 46m

Bilbao

Thu 12/18

7:20 am-11:05 pm

2 stops23h 45m

$701

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 45 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 $1,086). 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 May 1, 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 May 1, 2025.
Read through reviews of airlines operating flights from Boise to Spain, such as Delta, KLM and Finnair. 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
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,349 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 $468 on Delta. Other airlines that offer cheap prices include Lufthansa from $489 and Air Canada from $550 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 - Barcelona-El Prat, Boise Air Term. Gowen Fld - Madrid Barajas or Boise Air Term. Gowen Fld - Bilbao 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 $1,086). 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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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$530Average$925FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$558Average$1,024FlexibilityNo cancel feeOn-time71%
IberiaCheapest$564Average$1,008FlexibilityNo cancel feeOn-time77%
DeltaCheapest$570Average$1,166FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$664Average$1,317FlexibilityNo cancel feeOn-time75%

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