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$470+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Boise to Madrid

Best flights from Boise to Madrid
Discover carefully curated flight deals from Boise to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This Expedia deal was found by Cheapflights users on 12/20. 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.
Wed 2/47:20 amBOI - MAD
1 stop18h 05mIberia
Wed 2/1112:40 pmMAD - BOI
1 stop16h 38mIberia
Deal found 12/20$489
This Finnair deal was found by Cheapflights users on 12/20. 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 2/147:00 amBOI - MAD
1 stop18h 25mMultiple Airlines
Sat 2/2112:40 pmMAD - BOI
1 stop17h 56mMultiple Airlines
Deal found 12/20$489
This United Airlines deal was found by Cheapflights users on 12/20. 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 2/46:40 amBOI - MAD
3 stops17h 20mUnited Airlines
Wed 2/1111:15 amMAD - BOI
2 stops20h 33mUnited Airlines
Deal found 12/20$496
This Finnair deal was found by Cheapflights users on 12/20. 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 2/47:20 amBOI - MAD
1 stop18h 05mMultiple Airlines
Wed 2/114:25 pmMAD - BOI
2 stops28h 21mMultiple Airlines
Deal found 12/20$493
This United Airlines deal was found by Cheapflights users on 12/20. 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 2/46:40 amBOI - MAD
2 stops18h 35mUnited Airlines
Sun 2/811:15 amMAD - BOI
2 stops40h 36mUnited Airlines
Deal found 12/20$498

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$485
(American Airlines)

One-way from

$470
(eDestinos)

Popular in

May

Cheapest in

November

Average price

$693
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Madrid Barajas flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Madrid Barajas flights.
Search Deals
From Boise Air Term. Gowen Fld to Madrid Barajas
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Madrid Barajas
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 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

Wed 2/4

7:20 am-9:25 am

1 stop18h 05m

Madrid Barajas

Wed 2/11

12:40 pm-9:18 pm

1 stop16h 38m

$489

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sat 2/14

7:00 am-9:25 am

1 stop18h 25m

Madrid Barajas

Sat 2/21

12:40 pm-10:36 pm

1 stop17h 56m

$489

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Wed 2/4

7:20 am-9:25 am

1 stop18h 05m

Madrid Barajas

Wed 2/11

4:25 pm-12:46 pm

2 stops28h 21m

$493

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Wed 2/4

6:40 am-8:00 am

3 stops17h 20m

Madrid Barajas

Wed 2/11

11:15 am-11:48 pm

2 stops20h 33m

$496

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Wed 2/4

6:40 am-9:15 am

2 stops18h 35m

Madrid Barajas

Sun 2/8

11:15 am-7:51 pm

2 stops40h 36m

$498

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sun 3/15

7:00 am-9:25 am

1 stop19h 25m

$470

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sun 3/15

12:45 pm-11:30 am

2 stops15h 45m

$485

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sun 3/15

10:40 am-5:40 pm

2 stops24h 00m

$488

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sun 3/15

7:00 am-9:25 am

1 stop19h 25m

$489

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 6/15

11:46 am-1:25 pm

2 stops17h 39m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 $480). Flying from Boise to Madrid in April is currently the most expensive (average of $869). 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 December 23, 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 December 23, 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
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

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
8,014 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

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
9,105 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

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
11,054 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

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
3,056 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

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 Iberia fly from Boise to Madrid in about 18h 05m. 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 Delta - these airlines can fly you to your destination from $505 and $550, 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 $480). Flying from Boise to Madrid in April is currently the most expensive (average of $869). 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$493Average$673FlexibilityNo cancel feeOn-time69%
IberiaCheapest$505Average$717FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$602Average$919FlexibilityNo cancel feeOn-time71%
DeltaCheapest$627Average$776FlexibilityNo cancel feeOn-timeN/A

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