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$321+ Cheap flights from Idaho 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Idaho to Madrid

Keep the following information in mind while searching for Idaho to Madrid flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$443
(Delta)

One-way from

$321
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$668
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 Idaho to Madrid Barajas
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One-way flight from Idaho to Madrid Barajas
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Highest demand for flights based on searches. 16% potential increase in price ($172 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 October 2025
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Find flight deals from Idaho to Madrid

Cheapest flights from Idaho to Madrid
Explore the most affordable flight options available from Idaho to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 10/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:35 amBOI - MAD
2 stops18h 25mVirgin Atlantic
Tue 12/910:00 amMAD - BOI
2 stops22h 09mVirgin Atlantic
Deal found 10/14$443
This Delta deal was found by Cheapflights users on 10/13. 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 11/185:35 amBOI - MAD
2 stops18h 25mDelta
Tue 12/911:15 amMAD - BOI
1 stop33h 39mDelta
Deal found 10/13$448
This Air France deal was found by Cheapflights users on 10/15. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:39 pmBOI - MAD
1 stop25h 26mMultiple Airlines
Tue 11/116:00 amMAD - BOI
2 stops24h 39mMultiple Airlines
Deal found 10/15$453
This Delta deal was found by Cheapflights users on 10/15. 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.
Sun 10/265:25 amBOI - MAD
2 stops18h 35mDelta
Tue 11/116:00 amMAD - BOI
2 stops20h 54mDelta
Deal found 10/15$467
This Delta deal was found by Cheapflights users on 10/15. 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.
Wed 11/1212:57 pmJAC - MAD
2 stops22h 43mDelta
Wed 11/1910:00 amMAD - JAC
2 stops19h 29mDelta
Deal found 10/15$474
This Delta deal was found by Cheapflights users on 10/14. 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 11/44:46 pmBOI - MAD
2 stops38h 34mDelta
Tue 11/1111:00 amMAD - BOI
2 stops38h 15mDelta
Deal found 10/14$482
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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.
Tue 11/187:00 amBOI - MAD
1 stop15h 15mIberia
Mon 12/812:55 amMAD - BOI
1 stop19h 32mIberia
Deal found 10/14$483
This KLM deal was found by Cheapflights users on 10/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:57 pmJAC - MAD
2 stops22h 43mMultiple Airlines
Wed 11/196:00 amMAD - JAC
2 stops19h 10mMultiple Airlines
Deal found 10/15$484
This American Airlines deal was found by Cheapflights users on 10/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:04 pmJAC - MAD
2 stops19h 51mAmerican Airlines
Wed 12/1712:55 amMAD - JAC
1 stop21h 36mAmerican Airlines
Deal found 10/16$485
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 12/107:00 amJAC - MAD
2 stops17h 00mUnited Airlines
Thu 12/181:35 pmMAD - JAC
2 stops28h 20mUnited Airlines
Deal found 10/15$488
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1210:45 amJAC - MAD
2 stops28h 50mLufthansa
Wed 11/198:30 amMAD - JAC
2 stops20h 07mLufthansa
Deal found 10/16$491
This Finnair deal was found by Cheapflights users on 10/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:00 amBOI - MAD
1 stop15h 15mMultiple Airlines
Tue 12/911:00 amMAD - BOI
2 stops19h 25mMultiple Airlines
Deal found 10/15$493

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 October 16, 2025.
Use the filters below to find and compare flights from Idaho to Madrid that are best for you.

Fly from

Idaho

Fly to

Madrid

Route

Depart

Return

Price

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 11/18

5:35 am-8:00 am

2 stops18h 25m

Madrid Barajas

Tue 12/9

10:00 am-12:42 am

2 stops22h 42m

$443

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 12/2

5:50 am-8:00 am

2 stops18h 10m

Madrid Barajas

Wed 12/10

11:15 am-1:14 pm

2 stops33h 59m

$443

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Tue 2/17

4:00 pm-8:00 am

2 stops31h 00m

Madrid Barajas

Tue 2/24

1:35 pm-9:52 pm

2 stops41h 17m

$470

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Wed 11/5

11:41 am-3:20 pm

2 stops19h 39m

Madrid Barajas

Tue 11/11

1:05 pm-5:15 pm

2 stops36h 10m

$482

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 11/4

4:46 pm-3:20 pm

2 stops38h 34m

Madrid Barajas

Tue 11/11

11:00 am-5:15 pm

2 stops38h 15m

$482

JacksonMadrid

JAC - MAD

JACMAD

Jackson Hole

Wed 11/12

12:57 pm-7:40 pm

2 stops22h 43m

Madrid Barajas

Wed 11/19

6:00 am-5:10 pm

2 stops19h 10m

$484

JacksonMadrid

JAC - MAD

JACMAD

Jackson Hole

Wed 12/10

1:04 pm-4:55 pm

2 stops19h 51m

Madrid Barajas

Wed 12/17

12:55 am-2:31 pm

1 stop21h 36m

$485

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 12/2

7:00 am-6:15 am

1 stop15h 15m

Madrid Barajas

Wed 12/10

12:40 pm-10:25 pm

1 stop17h 45m

$488

JacksonMadrid

JAC - MAD

JACMAD

Jackson Hole

Wed 12/10

7:00 am-8:00 am

2 stops17h 00m

Madrid Barajas

Thu 12/18

1:35 pm-9:55 am

2 stops28h 20m

$488

JacksonMadrid

JAC - MAD

JACMAD

Jackson Hole

Wed 11/12

10:45 am-11:35 pm

2 stops28h 50m

Madrid Barajas

Wed 11/19

8:30 am-8:37 pm

2 stops20h 07m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 31 results
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Best time to book a flight from Idaho to Madrid

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

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

Currently, March is the cheapest month in which you can book a flight from Idaho to Madrid (average of $483). Flying from Idaho to Madrid in April is currently the most expensive (average of $820). 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 ID to MAD?

Find hourly flight availability from Idaho 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 October 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho to Madrid at noon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the evening.

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

Related info for your journey

Find useful and relevant information for your journey from Idaho to Madrid. 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 into for flights to Madrid from Idaho?

    Madrid Barajas (MAD) is the airport you will fly into if you book a flight from Idaho to Madrid. It is only a 8.5 mi journey from Barajas (MAD) to Madrid’s city center.

  • How long is the flight from Idaho to Madrid?

    For as low as $443, Delta can have you in Madrid from Idaho in 18h 25m. The distance from Idaho to Madrid is about 5275 mi. This flight may include one or multiple stops.

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

    $409 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on American Airlines and Air France, with prices starting from $439 and $535, respectively.

  • What are the most popular routes from Idaho to Madrid?

    Most travelers choose Boise Air Term. Gowen Fld - Madrid Barajas, Spokane - Madrid Barajas or Jackson Hole - Madrid Barajas when deciding on the best route from Idaho to Madrid.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Idaho to Madrid (average of $483). Flying from Idaho to Madrid in April is currently the most expensive (average of $820). 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
Fuenlabrada
Getafe

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Top 4 airlines flying from Idaho to Madrid

Discover the top 4 airlines that operate flights from Idaho 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$493Average$673FlexibilityNo cancel feeOn-time69%
IberiaCheapest$586Average$848FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$602Average$929FlexibilityNo cancel feeOn-time71%
DeltaCheapest$627Average$855FlexibilityNo cancel feeOn-timeN/A

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