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Cheap flights from Idaho to Madrid from $340

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Madrid departing on 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to Madrid

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:18 pm - 4:55 pm
BOI
-
MAD
17h 37m2 stops
American Airlines Logo
12:55 am - 12:46 pm
MAD
-
BOI
19h 51m1 stop
$485American Airlines
Thu, Feb 5 - Wed, Feb 11
Multiple Airlines Logo
7:00 am - 9:25 am
BOI
-
MAD
18h 25m1 stop
Multiple Airlines Logo
12:40 pm - 10:36 pm
MAD
-
BOI
17h 56m1 stop
$489Multiple Airlines
Sat, Feb 14 - Sat, Feb 21
United Airlines Logo
6:10 am - 9:15 am
BOI
-
MAD
19h 05m2 stops
United Airlines Logo
1:35 pm - 11:48 pm
MAD
-
BOI
18h 13m2 stops
$492United Airlines
Thu, Feb 5 - Thu, Feb 12
United Airlines Logo
5:00 am - 8:00 am
GEG
-
MAD
18h 00m2 stops
United Airlines Logo
6:00 am - 7:16 pm
MAD
-
GEG
22h 16m2 stops
$492United Airlines
Mon, Jan 19 - Mon, Jan 26
Multiple Airlines Logo
7:20 am - 1:05 pm
BOI
-
MAD
21h 45m2 stops
Multiple Airlines Logo
4:25 pm - 12:46 pm
MAD
-
BOI
28h 21m2 stops
$493Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
6:00 am - 1:05 pm
GEG
-
MAD
22h 05m2 stops
Multiple Airlines Logo
5:05 pm - 12:14 pm
MAD
-
GEG
28h 09m2 stops
$493Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
6:40 am - 8:00 am
BOI
-
MAD
17h 20m3 stops
United Airlines Logo
11:15 am - 11:48 pm
MAD
-
BOI
20h 33m2 stops
$496United Airlines
Wed, Feb 4 - Wed, Feb 11
Iberia Logo
6:00 am - 9:25 am
GEG
-
MAD
18h 25m1 stop
Iberia Logo
1:00 pm - 6:49 pm
MAD
-
GEG
38h 49m1 stop
$522Iberia
Mon, Jan 19 - Mon, Jan 26
Delta Logo
5:20 am - 4:05 pm
BOI
-
MAD
26h 45m2 stops
Delta Logo
6:00 am - 8:55 pm
MAD
-
BOI
22h 55m2 stops
$602Delta
Sat, Feb 14 - Sat, Feb 21
Iberia Logo
7:31 am - 9:05 am
BOI
-
MAD
17h 34m1 stop
Iberia Logo
12:40 pm - 9:07 pm
MAD
-
BOI
16h 27m1 stop
$656Iberia
Tue, Apr 7 - Tue, Apr 21

United Airlines flights from Idaho to Madrid

Our best United Airlines deals on Idaho to Madrid flight tickets
United Airlines
Mar 4
BOI6:25 amBoise Air Term. Gowen Fld
17h 35m
2 stops
MAD8:00 amMadrid Barajas
Mar 10
MAD12:40 pmMadrid Barajas
41h 16m
2 stops
BOI10:56 pmBoise Air Term. Gowen Fld
$472
Find similar
United Airlines
Feb 5
BOI6:10 amBoise Air Term. Gowen Fld
19h 05m
2 stops
MAD9:15 amMadrid Barajas
Feb 12
MAD1:35 pmMadrid Barajas
18h 13m
2 stops
BOI11:48 pmBoise Air Term. Gowen Fld
$492
Find similar
United Airlines
Feb 4
BOI6:40 amBoise Air Term. Gowen Fld
17h 20m
3 stops
MAD8:00 amMadrid Barajas
Feb 11
MAD11:15 amMadrid Barajas
20h 33m
2 stops
BOI11:48 pmBoise Air Term. Gowen Fld
$496
Find similar

American Airlines flights from Idaho to Madrid

Our best American Airlines deals on Idaho to Madrid flight tickets
American Airlines
Feb 5
BOI3:18 pmBoise Air Term. Gowen Fld
17h 37m
2 stops
MAD4:55 pmMadrid Barajas
Feb 11
MAD12:55 amMadrid Barajas
19h 51m
1 stop
BOI12:46 pmBoise Air Term. Gowen Fld
$485
Find similar
American Airlines
Apr 14
GEG2:03 pmSpokane
18h 27m
2 stops
MAD5:30 pmMadrid Barajas
Apr 28
MAD12:40 pmMadrid Barajas
16h 54m
1 stop
GEG8:34 pmSpokane
$568
Find similar
American Airlines
Apr 22
GEG6:09 amSpokane
17h 56m
2 stops
MAD9:05 amMadrid Barajas
Apr 29
MAD12:30 pmMadrid Barajas
19h 26m
2 stops
GEG10:56 pmSpokane
$576
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Idaho to Madrid that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Thu 2/5

3:18 pm-4:55 pm

2 stops17h 37m

Madrid Barajas

Wed 2/11

12:55 am-12:46 pm

1 stop19h 51m

$485

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

Thu 2/5

6:10 am-9:15 am

2 stops19h 05m

Madrid Barajas

Thu 2/12

1:35 pm-11:48 pm

2 stops18h 13m

$492

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Mon 1/19

5:00 am-8:00 am

2 stops18h 00m

Madrid Barajas

Mon 1/26

6:00 am-7:16 pm

2 stops22h 16m

$492

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Wed 2/4

7:20 am-1:05 pm

2 stops21h 45m

Madrid Barajas

Wed 2/11

4:25 pm-12:46 pm

2 stops28h 21m

$493

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Wed 2/4

6:00 am-1:05 pm

2 stops22h 05m

Madrid Barajas

Wed 2/11

5:05 pm-12:14 pm

2 stops28h 09m

$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

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Mon 1/19

6:00 am-9:25 am

1 stop18h 25m

Madrid Barajas

Mon 1/26

1:00 pm-6:49 pm

1 stop38h 49m

$522

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sat 2/14

5:20 am-4:05 pm

2 stops26h 45m

Madrid Barajas

Sat 2/21

6:00 am-8:55 pm

2 stops22h 55m

$602

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 4/7

7:31 am-9:05 am

1 stop17h 34m

Madrid Barajas

Tue 4/21

12:40 pm-9:07 pm

1 stop16h 27m

$656

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Madrid from

How to get the cheapest flight ticket from Idaho to Madrid

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Madrid?

The month of November is, on average, the cheapest month to fly to Madrid from Idaho, with most prices found around $590. If you don’t want to visit Madrid in November, then you should wait until August to fly from Idaho, when ticket prices are also cheap, with an average price of $613.

What is the cheapest day to depart on your flight to Madrid?

The cheapest day to depart on your flight to Madrid is on a Monday when prices can be found for as low as $859. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Madrid on Thursday is $1,381.

What is the cheapest time of day to depart on your flight to Madrid?

Flying to Madrid from Idaho in the evening is the least expensive time of day to depart. momondo users have found prices as low as $897 when looking at flights departing in the evening. Flights to Madrid are more costly in the afternoon, with an average ticket price of $1,284. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Idaho to Madrid flights?

You could potentially save up to 4% on your flight if you consider stops on a Idaho to Madrid flight.

Cheap Idaho to Madrid flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Madrid

Fastest flight time

13h 19m

Direct flights

None
The fastest flight from Idaho to Madrid takes 13h 19m
There are no direct flights from Idaho to Madrid. There are no popular flight routes from Idaho to Madrid.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Madrid Barajas Airport?

    Prices for flights from Idaho to Madrid Barajas Airport refresh daily.

  • How many operators does momondo search for flights from Idaho to Madrid Barajas Airport?

  • How old do you have to be to fly from Idaho to Madrid Barajas Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Madrid Barajas Airport.

  • What documentation or ID do you need to fly to Madrid Barajas Airport?

    The required travel and health documents for your Madrid Barajas Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Madrid Barajas Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Madrid

Compare and see reviews for airlines that fly from Idaho to Madrid with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $493Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights
IberiaPriceFrom $505Free CancellationRating
7.0
3,055 reviews
Search Iberia flights
American AirlinesPriceFrom $602Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
DeltaPriceFrom $627Free CancellationRating
7.9
8,013 reviews
Search Delta flights

Traveling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
Toledo
Segovia
Getafe
Fuenlabrada
Cuenca
San Lorenzo de El Escorial
Guadalajara

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Madrid?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Madrid. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Idaho to Madrid with flexible booking policies on momondo?

All flight searches from Idaho to Madrid on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho to Madrid?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Madrid from Idaho.

I’m not ready to book a flight from Idaho to Madrid right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho to Madrid flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly your favorite airline to Madrid

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Iberia
American Airlines
Delta
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