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$256+ Cheap flights from Boise (BOI) to Madrid, Spain (MAD)

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheap flight deals from Boise to Madrid

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Madrid (MAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$471
(Delta)

One-way from

$256
(American Airlines)

Popular in

May

Cheapest in

November

Average price

$590
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Madrid Barajas flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Madrid Barajas flights.
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From Boise Air Term. Gowen Fld to Madrid Barajas
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One-way flight from Boise Air Term. Gowen Fld to Madrid Barajas
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Highest demand for flights based on searches. 17% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Boise to Madrid

Cheapest flights from Boise to Madrid
Explore the most affordable flight options available from Boise to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This Finnair deal was found by Cheapflights users on 11/25. 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.
Sat 12/136:44 amBOI - MAD
2 stops22h 21mMultiple Airlines
Tue 12/2312:00 pmMAD - BOI
1 stop18h 56mMultiple Airlines
Deal found 11/25$492
This Cheapflightsfares deal was found by Cheapflights users on 11/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:44 amBOI - MAD
1 stop15h 31mIberia
Fri 3/612:55 amMAD - BOI
1 stop19h 51mIberia
Deal found 11/25$737
This American Airlines deal was found by Cheapflights users on 11/25. 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.
Sat 12/61:57 pmBOI - MAD
2 stops18h 53mAmerican Airlines
Fri 3/612:55 amMAD - BOI
1 stop19h 51mAmerican Airlines
Deal found 11/25$750
This Finnair deal was found by Cheapflights users on 11/25. 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.
Sat 12/66:44 amBOI - MAD
2 stops22h 21mMultiple Airlines
Sat 3/710:00 amMAD - BOI
2 stops20h 36mMultiple Airlines
Deal found 11/25$758
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Sat 12/612:16 pmBOI - MAD
2 stops35h 44mUnited Airlines
Sat 3/76:00 amMAD - BOI
2 stops35h 06mUnited Airlines
Deal found 11/24$760
This KLM deal was found by Cheapflights users on 11/24. 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.
Sat 12/62:04 pmBOI - MAD
1 stop35h 11mKLM
Sat 3/76:00 amMAD - BOI
2 stops18h 15mKLM
Deal found 11/24$782

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Madrid 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 November 26, 2025.
Use the filters below to find and compare flights from Boise to Madrid that are best for you.

Fly from

Boise

Fly to

Madrid

Route

Depart

Return

Price

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Fri 2/6

10:39 am-3:20 pm

2 stops20h 41m

Madrid Barajas

Tue 2/10

10:00 am-10:24 am

2 stops32h 24m

$471

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sat 12/13

6:44 am-1:05 pm

2 stops22h 21m

Madrid Barajas

Tue 12/23

12:00 pm-10:56 pm

1 stop18h 56m

$492

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sat 2/14

7:00 am-1:05 pm

2 stops22h 05m

Madrid Barajas

Sat 2/21

4:25 pm-12:46 pm

2 stops28h 21m

$493

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 4/21

5:00 am-6:40 am

2 stops17h 40m

Madrid Barajas

Tue 6/9

12:45 pm-4:49 pm

2 stops36h 04m

$548

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 3/16

7:00 am-9:25 am

1 stop19h 25m

Madrid Barajas

Thu 3/19

4:25 pm-12:48 pm

2 stops27h 23m

$576

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 3/23

1:31 pm-9:35 am

1 stop13h 04m

$265

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 4/20

7:31 am-2:25 pm

1 stop22h 54m

$336

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 4/20

1:25 pm-1:30 pm

2 stops16h 05m

$344

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sun 2/15

8:00 am-12:05 pm

2 stops20h 05m

$374

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sun 2/15

7:00 am-6:15 am

1 stop15h 15m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 15 results
1
2

Compare providers for flights from Boise to Madrid

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Madrid in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Madrid flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Madrid flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Madrid flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Madrid flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Madrid flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Madrid

Have a flexible travel schedule? Discover the best time to fly to Madrid 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 Madrid

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

Currently, March is the cheapest month in which you can book a flight from Boise to Madrid (average of $482). Flying from Boise to Madrid in April is currently the most expensive (average of $871). 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 MAD?

Find hourly flight availability from Boise to Madrid. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

It’s optimal to fly from Boise to Madrid in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Madrid

Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated November 26, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Boise to Madrid. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,003 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,049 reviews
Delta
7.9
Good
8,003 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,039 reviews
Delta
7.9
Good
8,003 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Iberia
7.0
Good
3,036 reviews
Delta
7.9
Good
8,003 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from Boise to Madrid?

    Airlines like Delta fly from Boise to Madrid in about 20h 41m. The time it takes to get you to your destination can typically vary by up to . The distance between Boise and Madrid is about 5275 mi.

  • What are the cheapest airlines flying from Boise to Madrid round-trip?

    Currently priced at $493, United Airlines will fly you from Boise to Madrid and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Iberia and American Airlines - these airlines can fly you to your destination from $513 and $602, respectively. You may be able to fly from Boise to Madrid for 42% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Madrid 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 Madrid?

    Currently, March is the cheapest month in which you can book a flight from Boise to Madrid (average of $482). Flying from Boise to Madrid in April is currently the most expensive (average of $871). 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

Traveling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
Getafe

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Top 4 airlines flying from Boise to Madrid

Discover the top 4 airlines that operate flights from Boise to Madrid. 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$493Average$740FlexibilityNo cancel feeOn-time69%
IberiaCheapest$513Average$772FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$602Average$919FlexibilityNo cancel feeOn-time71%
DeltaCheapest$627Average$776FlexibilityNo cancel feeOn-timeN/A

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