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Madrid

$260+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
1 adult, Economy
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Cheap 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 December 7, 2025.

This American Airlines deal was found by Cheapflights users on 12/5. 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.
Sun 12/71:14 pmGEG - MAD
2 stops18h 41mMultiple Airlines
Sun 12/147:10 amMAD - GEG
1 stop22h 47mMultiple Airlines
Deal found 12/5$685
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/102:49 pmJAC - MAD
2 stops33h 16mUnited Airlines
Thu 12/181:35 pmMAD - JAC
2 stops38h 27mUnited Airlines
Deal found 12/6$686
This Iberia deal was found by Cheapflights users on 12/5. 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.
Sun 12/75:17 amGEG - MAD
1 stop19h 08mIberia
Sun 12/147:10 amMAD - GEG
1 stop22h 47mIberia
Deal found 12/5$688
This American Airlines deal was found by Cheapflights users on 12/5. 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.
Sun 12/71:14 pmGEG - MAD
2 stops18h 41mAmerican Airlines
Sun 12/141:00 pmMAD - GEG
2 stops19h 08mAmerican Airlines
Deal found 12/5$689
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Fri 12/57:00 amJAC - MAD
2 stops18h 15mUnited Airlines
Tue 12/96:00 amMAD - JAC
2 stops22h 37mUnited Airlines
Deal found 12/4$692
This Delta deal was found by Cheapflights users on 12/7. 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 12/74:35 pmGEG - MAD
2 stops40h 05mDelta
Sun 12/1411:15 amMAD - GEG
2 stops30h 55mDelta
Deal found 12/7$702
This Finnair deal was found by Cheapflights users on 12/6. 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 12/305:28 amGEG - MAD
1 stop18h 57mMultiple Airlines
Mon 3/1612:55 amMAD - GEG
1 stop23h 59mMultiple Airlines
Deal found 12/6$704
This American Airlines deal was found by Cheapflights users on 12/6. 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 stops21h 48mAmerican Airlines
Sat 3/712:40 pmMAD - BOI
1 stop17h 56mAmerican Airlines
Deal found 12/6$751
This American Airlines deal was found by Cheapflights users on 12/6. 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 12/61:17 pmBOI - MAD
2 stops19h 33mMultiple Airlines
Sat 3/712:00 pmMAD - BOI
2 stops19h 59mMultiple Airlines
Deal found 12/6$763
This American Airlines deal was found by Cheapflights users on 12/5. 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 stops23h 01mAmerican Airlines
Thu 12/1812:00 pmMAD - JAC
1 stop32h 11mAmerican Airlines
Deal found 12/5$955
This Finnair deal was found by Cheapflights users on 12/4. 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.
Mon 12/86:44 amBOI - MAD
1 stop18h 41mMultiple Airlines
Wed 12/1012:40 pmMAD - BOI
1 stop17h 45mMultiple Airlines
Deal found 12/4$1,019
This Travelocity deal was found by Cheapflights users on 12/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:21 pmBOI - MAD
2 stops49h 29mMultiple Airlines
Thu 1/1511:00 amMAD - BOI
2 stops20h 01mMultiple Airlines
Deal found 12/7$1,044

Find flight deals from Idaho to Madrid

Keep the following information in mind while searching for Idaho to Madrid flight deals. Data was last updated December 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$459
(Orbitz)

One-way from

$260
(Finnair)

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 Idaho to Madrid Barajas
Search Deals
One-way flight from Idaho 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 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 December 7, 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

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Wed 1/21

11:25 am-8:00 am

2 stops35h 35m

Madrid Barajas

Wed 1/28

11:15 am-7:16 pm

2 stops41h 01m

$483

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Fri 1/23

3:43 pm-6:35 pm

2 stops17h 52m

Madrid Barajas

Mon 1/26

12:55 am-6:49 pm

1 stop26h 54m

$485

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sat 2/14

7:00 am-6:15 am

1 stop15h 15m

Madrid Barajas

Sat 2/21

12:40 pm-10:36 pm

1 stop17h 56m

$488

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Thu 1/15

5:30 am-8:00 am

2 stops18h 30m

Madrid Barajas

Tue 1/20

10:00 am-12:30 pm

2 stops34h 30m

$493

JacksonMadrid

JAC - MAD

JACMAD

Jackson Hole

Fri 1/23

7:00 am-9:15 am

2 stops18h 15m

Madrid Barajas

Tue 1/27

6:00 am-1:21 pm

2 stops39h 21m

$493

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 1/27

5:40 am-8:00 am

2 stops18h 20m

Madrid Barajas

Tue 2/3

11:15 am-12:55 pm

2 stops33h 40m

$493

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Fri 1/30

5:00 am-9:15 am

2 stops19h 15m

Madrid Barajas

Tue 2/3

6:00 am-12:46 pm

2 stops39h 46m

$493

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Thu 1/29

5:45 am-8:00 am

2 stops18h 15m

Madrid Barajas

Thu 2/5

10:00 am-11:59 pm

2 stops21h 59m

$493

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Tue 2/17

7:00 am-9:15 am

2 stops17h 15m

Madrid Barajas

Tue 2/24

6:00 am-9:17 pm

2 stops24h 17m

$493

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 1/12

5:40 am-3:20 pm

2 stops25h 40m

Madrid Barajas

Wed 1/21

6:00 am-8:55 pm

2 stops22h 55m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 28 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 $480). Flying from Idaho 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 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 December 7, 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.

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 $493, United Airlines can have you in Madrid from Idaho in 18h 15m. The distance from Idaho to Madrid is about 5070 mi.

  • 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 $480). Flying from Idaho 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 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 December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$493Average$673FlexibilityNo cancel feeOn-time69%
IberiaCheapest$513Average$764FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$602Average$855FlexibilityNo cancel feeOn-time71%
DeltaCheapest$627Average$776FlexibilityNo cancel feeOn-timeN/A

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