Madrid

$463+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
jul. 16 — jul. 231
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Madrid with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 julio 11, 2025.

Round-trip from

$583
(Air Canada)

One-way from

$463
(Cheapflightsfares)

Popular in

May

Cheapest in

January

Average price

$1,169
From Boise Air Term. Gowen Fld to Madrid Barajas
One-way flight from Boise Air Term. Gowen Fld to Madrid Barajas
Highest demand for flights based on searches. 13% potential increase in price ($139 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 julio 11, 2025.

This Air Canada deal was found by Cheapflights users on 7/9. 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.
mar. 9/162:42 pmBOI - MAD
2 stops33h 38mAir Canada
mar. 9/2312:30 pmMAD - BOI
2 stops40h 44mAir Canada
Deal found 7/9$583
This Delta deal was found by Cheapflights users on 7/9. 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.
mié. 9/1711:00 amBOI - MAD
2 stops20h 35mDelta
vie. 9/2610:05 amMAD - BOI
2 stops20h 17mDelta
Deal found 7/9$611
This United Airlines deal was found by Cheapflights users on 7/8. 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.
mié. 11/1912:35 pmBOI - MAD
2 stops19h 25mUnited Airlines
jue. 11/2711:15 amMAD - BOI
2 stops19h 30mUnited Airlines
Deal found 7/8$619
This American Airlines deal was found by Cheapflights users on 7/10. 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.
mié. 10/17:00 amBOI - MAD
1 stop23h 20mAmerican Airlines
mié. 10/1510:25 amMAD - BOI
2 stops19h 50mAmerican Airlines
Deal found 7/10$630
This Finnair deal was found by Cheapflights users on 7/9. 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.
jue. 10/237:00 amBOI - MAD
1 stop18h 05mMultiple Airlines
jue. 11/61:00 pmMAD - BOI
1 stop16h 18mMultiple Airlines
Deal found 7/9$637
This Iberia deal was found by Cheapflights users on 7/8. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/311:44 amBOI - MAD
1 stop13h 21mIberia
mar. 8/1912:40 pmMAD - BOI
1 stop17h 03mIberia
Deal found 7/8$657
This lol.travel deal was found by Cheapflights users on 7/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/31:17 pmBOI - MAD
1 stop16h 08mFinnair
mar. 8/1912:40 pmMAD - BOI
1 stop17h 03mFinnair
Deal found 7/9$691
This KLM deal was found by Cheapflights users on 7/10. 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. 9/1711:00 amBOI - MAD
2 stops18h 40mKLM
vie. 9/2610:05 amMAD - BOI
1 stop20h 18mKLM
Deal found 7/10$720

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 julio 11, 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

mar. 9/16

2:42 pm-8:20 am

2 stops33h 38m

Madrid Barajas

mar. 9/23

12:30 pm-9:14 pm

2 stops40h 44m

$583

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

mié. 9/17

11:00 am-3:35 pm

2 stops20h 35m

Madrid Barajas

vie. 9/26

10:05 am-10:22 pm

2 stops20h 17m

$611

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

mié. 11/19

12:35 pm-4:00 pm

2 stops19h 25m

Madrid Barajas

jue. 11/27

11:15 am-10:45 pm

2 stops19h 30m

$619

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

mié. 10/1

7:00 am-2:20 pm

1 stop23h 20m

Madrid Barajas

mié. 10/15

10:25 am-10:15 pm

2 stops19h 50m

$630

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

jue. 10/23

7:00 am-9:05 am

1 stop18h 05m

Madrid Barajas

jue. 11/6

1:00 pm-9:18 pm

1 stop16h 18m

$637

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

dom. 8/3

11:44 am-9:05 am

1 stop13h 21m

Madrid Barajas

mar. 8/19

12:40 pm-9:43 pm

1 stop17h 03m

$657

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

dom. 8/3

1:17 pm-1:25 pm

1 stop16h 08m

Madrid Barajas

mar. 8/19

12:40 pm-9:43 pm

1 stop17h 03m

$691

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

mié. 9/17

11:00 am-1:40 pm

2 stops18h 40m

Madrid Barajas

vie. 9/26

10:05 am-10:23 pm

1 stop20h 18m

$720

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

lun. 8/18

7:00 am-9:05 am

1 stop18h 05m

$463

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

lun. 8/18

1:00 pm-1:25 pm

2 stops16h 25m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 14 results
1
2

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, November is the cheapest month in which you can book a flight from Boise to Madrid (average of $543). Flying from Boise to Madrid in June is currently the most expensive (average of $1,053). 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 julio 11, 2025.

It’s optimal to fly from Boise to Madrid in the evening. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Boise to Madrid?

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 julio 11, 2025.
Read reviews from past customers who have flown Delta, KLM, and Finnair 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.
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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

    Currently priced at $583, Air Canada will fly you from Boise to Madrid and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $611 and $619, respectively. You may be able to fly from Boise to Madrid for 35% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $463. American Airlines flights start at $518 while deals on Delta start at $529 one-way.

  • 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, November is the cheapest month in which you can book a flight from Boise to Madrid (average of $543). Flying from Boise to Madrid in June is currently the most expensive (average of $1,053). 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Segovia
Fuenlabrada

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Madrid

See prices for flight routes from nearby airports that may be better suited for you.

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 julio 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$556Average$927FlexibilityNo cancel feeOn-time71%
IberiaCheapest$564Average$883FlexibilityNo cancel feeOn-time77%
DeltaCheapest$568Average$1,005FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$569Average$667FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.