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.

What is the cheapest day to fly from Boise to Madrid?

Travelers seeking maximum savings on their Boise to Madrid flight should consider departing on Monday mornings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Madrid ranges from 0.4 - 2.4 inches per month. November is typically the wettest month, when rainfall can reach 2.4 in. July is typically the driest time to visit Madrid when rainfall is around 0.4 in.

If weather is an important factor for your trip to Madrid, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What are the most popular airlines that fly from Boise to Madrid?

When booking a flight from Boise to Madrid, you may want to consider flying on American Airlines, Delta or Iberia as they are the most popular for this route.

What is the cheapest day to fly round-trip from Boise to Madrid?

Flights from Boise to Madrid are found to be more expensive on Wednesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Madrid.

What is the cheapest month to fly from Boise to Madrid?

January is one of the best times of the year to fly to Madrid from Boise. Prices for January average $902 per person but you can even find prices for as low as $549. The most expensive prices can be found in the month of May. Opting for a January flight can save you 31% on your journey compared to booking in May

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.

$463+ Flights from Boise to Madrid, Spain

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Cheap flight deals from Boise to Madrid

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

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One-way flight from Boise Air Term. Gowen Fld to Madrid Barajas

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($139 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in July 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 julio 11, 2025.

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

mié. 9/1711:00 amBOI - MAD

2 stops20h 35mDelta

vie. 9/2610:05 amMAD - BOI

2 stops20h 17mDelta

Deal found 7/9

$611

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

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

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

dom. 8/311:44 amBOI - MAD

1 stop13h 21mIberia

mar. 8/1912:40 pmMAD - BOI

1 stop17h 03mIberia

Deal found 7/8

$657

dom. 8/31:17 pmBOI - MAD

1 stop16h 08mFinnair

mar. 8/1912:40 pmMAD - BOI

1 stop17h 03mFinnair

Deal found 7/9

$691

mié. 9/1711:00 amBOI - MAD

2 stops18h 40mKLM

vie. 9/2610:05 amMAD - BOI

1 stop20h 18mKLM

Deal found 7/10

$720

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 julio 11, 2025.

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

mié. 9/1711:00 amBOI - MAD

2 stops20h 35mDelta

vie. 9/2610:05 amMAD - BOI

2 stops20h 17mDelta

Deal found 7/9

$611

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

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

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

dom. 8/311:44 amBOI - MAD

1 stop13h 21mIberia

mar. 8/1912:40 pmMAD - BOI

1 stop17h 03mIberia

Deal found 7/8

$657

dom. 8/31:17 pmBOI - MAD

1 stop16h 08mFinnair

mar. 8/1912:40 pmMAD - BOI

1 stop17h 03mFinnair

Deal found 7/9

$691

mié. 9/1711:00 amBOI - MAD

2 stops18h 40mKLM

vie. 9/2610:05 amMAD - BOI

1 stop20h 18mKLM

Deal found 7/10

$720

Last-minute flights from Boise to Madrid
Discover last-minute flight deals from Boise to Madrid. Data last updated julio 11, 2025 and is based on user searches.

dom. 8/35:00 amBOI - MAD

2 stops41h 40mAir Canada

mar. 8/1912:45 pmMAD - BOI

2 stops41h 36mAir Canada

Deal found 7/9

$615

dom. 8/311:44 amBOI - MAD

1 stop13h 21mIberia

mar. 8/1912:40 pmMAD - BOI

1 stop17h 03mIberia

Deal found 7/8

$657

dom. 8/37:16 amBOI - MAD

1 stop17h 49mMultiple Airlines

mar. 8/1912:40 pmMAD - BOI

2 stops19h 18mMultiple Airlines

Deal found 7/8

$671

dom. 8/31:17 pmBOI - MAD

1 stop16h 08mFinnair

mar. 8/1912:40 pmMAD - BOI

1 stop17h 03mFinnair

Deal found 7/9

$691

dom. 8/35:15 amBOI - MAD

2 stops20h 20mDelta

mar. 8/1912:20 pmMAD - BOI

2 stops19h 30mDelta

Deal found 7/8

$696

sáb. 8/237:00 amBOI - MAD

2 stops16h 55mAmerican Airlines

sáb. 8/3012:40 pmMAD - BOI

1 stop17h 03mAmerican Airlines

Deal found 7/9

$1,072

One-way flights from Boise to Madrid
Search for one-way flight options from Boise to Madrid. Find affordable one-way fares based on user searches. Data last updated julio 11, 2025.

lun. 8/187:00 amBOI - MAD

1 stop18h 05mIberia

Deal found 7/9

$463

lun. 8/181:00 pmBOI - MAD

2 stops16h 25mMultiple Airlines

Deal found 7/9

$468

jue. 8/147:00 amBOI - MAD

2 stops18h 35mAmerican Airlines

Deal found 7/9

$518

vie. 9/1911:35 pmBOI - MAD

1 stop26h 00mDelta

Deal found 7/10

$529

lun. 8/185:00 amBOI - MAD

3 stops17h 40mAir Canada

Deal found 7/9

$563

vie. 9/197:09 pmBOI - MAD

2 stops28h 56mUnited Airlines

Deal found 7/10

$1,398

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Madrid that are best for you.

Fly from

Fly to

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

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?

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

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.

Delta

8.0

Very good

7,952 reviews

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!

Delta

8.0

Very good

7,952 reviews

Delta

8.0

Very good

7,952 reviews

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!

KLM

7.8

Good

1,372 reviews

Delta

8.0

Very good

7,952 reviews

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!

Finnair

7.6

Good

1,312 reviews

Delta

8.0

Very good

7,952 reviews

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!

United Airlines

7.4

Good

8,846 reviews

Delta

8.0

Very good

7,952 reviews

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!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,952 reviews

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

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

Segovia

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Alternative routes for Boise to Madrid

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Other flights to Madrid

Top 4 airlines flying from Boise to Madrid

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$556	Average$927	FlexibilityNo cancel fee	On-time71%
Iberia	Cheapest$564	Average$883	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$568	Average$1,005	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$569	Average$667	FlexibilityNo cancel fee	On-time69%

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$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.

Find cheap flights from Boise to Madrid with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Boise to Madrid

Round-trip from

One-way from

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Average price

Find flight deals from Boise to Madrid

Cheapest flights from Boise to MadridExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Madrid that are best for you.

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.

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?

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.

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

Reviews of airlines servicing Madrid

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.

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?

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

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

How can I find direct flights from Boise to Madrid?

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

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

Traveling to a place near Boise?

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Alternative routes for Boise to Madrid

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Top 4 airlines flying from Boise to Madrid

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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.