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Cheap flights from Idaho to Madrid from $399

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 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Delta Logo
7:38 pm - 8:00 amGEG-MAD
27h 22m2 stops
Delta Logo
10:00 am - 12:11 amMAD-GEG
23h 11m2 stops
$443Delta
Find Deal
Mon, Dec 1 - Fri, Dec 12
Delta Logo
7:38 pm - 8:00 amGEG-MAD
27h 22m2 stops
Delta Logo
11:15 am - 12:02 pmMAD-GEG
33h 47m1 stop
$448Delta
Find Deal
Mon, Dec 1 - Fri, Dec 12
Delta Logo
5:05 am - 3:20 pmGEG-MAD
25h 15m2 stops
Delta Logo
10:00 am - 11:50 pmMAD-GEG
22h 50m2 stops
$461Delta
Find Deal
Mon, Jan 12 - Fri, Jan 30
KLM Logo
1:12 pm - 9:15 amGEG-MAD
35h 03m1 stop
KLM Logo
7:05 am - 8:10 pmMAD-GEG
22h 05m2 stops
$471KLM
Find Deal
Sun, Dec 7 - Sun, Dec 14
American Airlines Logo
6:00 am - 11:55 amGEG-MAD
20h 55m2 stops
American Airlines Logo
1:00 pm - 6:49 pmMAD-GEG
38h 49m1 stop
$477American Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 30
Multiple Airlines Logo
5:25 am - 8:00 amGEG-MAD
17h 35m2 stops
Multiple Airlines Logo
7:25 am - 8:59 pmMAD-GEG
22h 34m2 stops
$480Multiple Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Virgin Atlantic Logo
4:45 pm - 8:00 amBOI-MAD
31h 15m2 stops
Virgin Atlantic Logo
11:15 am - 10:37 pmMAD-BOI
19h 22m1 stop
$481Virgin Atlantic
Find Deal
Sat, Dec 6 - Mon, Dec 22
Multiple Airlines Logo
5:17 am - 9:25 amGEG-MAD
19h 08m1 stop
Multiple Airlines Logo
12:00 pm - 9:43 pmMAD-GEG
18h 43m1 stop
$481Multiple Airlines
Find Deal
Sun, Dec 7 - Mon, Dec 22
American Airlines Logo
1:33 pm - 4:55 pmBOI-MAD
19h 22m2 stops
American Airlines Logo
12:55 am - 12:27 pmMAD-BOI
19h 32m1 stop
$484American Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8
Virgin Atlantic Logo
5:35 am - 8:00 amBOI-MAD
42h 25m2 stops
Virgin Atlantic Logo
10:00 am - 12:04 amMAD-BOI
46h 04m2 stops
$529Virgin Atlantic
Find Deal
Sat, Dec 6 - Mon, Dec 22

Delta flights from Idaho to Madrid

Our best Delta deals on Idaho to Madrid flight tickets
Delta
Dec 1
GEG7:38 pmSpokane
27h 22m
2 stops
MAD8:00 amMadrid Barajas
Dec 12
MAD10:00 amMadrid Barajas
23h 11m
2 stops
GEG12:11 amSpokane
$443
Find similar
Delta
Dec 1
GEG7:38 pmSpokane
27h 22m
2 stops
MAD8:00 amMadrid Barajas
Dec 12
MAD11:15 amMadrid Barajas
33h 47m
1 stop
GEG12:02 pmSpokane
$448
Find similar
Delta
Jan 12
GEG5:05 amSpokane
25h 15m
2 stops
MAD3:20 pmMadrid Barajas
Jan 30
MAD10:00 amMadrid Barajas
22h 50m
2 stops
GEG11:50 pmSpokane
$461
Find similar

American Airlines flights from Idaho to Madrid

Our best American Airlines deals on Idaho to Madrid flight tickets
American Airlines
Jan 12
GEG6:00 amSpokane
20h 55m
2 stops
MAD11:55 amMadrid Barajas
Jan 30
MAD1:00 pmMadrid Barajas
38h 49m
1 stop
GEG6:49 pmSpokane
$477
Find similar
American Airlines
Dec 1
BOI1:33 pmBoise Air Term. Gowen Fld
19h 22m
2 stops
MAD4:55 pmMadrid Barajas
Dec 8
MAD12:55 amMadrid Barajas
19h 32m
1 stop
BOI12:27 pmBoise Air Term. Gowen Fld
$484
Find similar
American Airlines
Dec 1
BOI1:33 pmBoise Air Term. Gowen Fld
19h 22m
2 stops
MAD4:55 pmMadrid Barajas
Dec 8
MAD12:55 amMadrid Barajas
19h 37m
2 stops
BOI12:32 pmBoise Air Term. Gowen Fld
$489
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 November 10, 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

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Mon 12/1

7:38 pm-8:00 am

2 stops27h 22m

Madrid Barajas

Fri 12/12

10:00 am-12:11 am

2 stops23h 11m

$443

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Mon 12/1

7:38 pm-8:00 am

2 stops27h 22m

Madrid Barajas

Fri 12/12

11:15 am-12:02 pm

1 stop33h 47m

$448

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Mon 1/12

5:05 am-3:20 pm

2 stops25h 15m

Madrid Barajas

Fri 1/30

10:00 am-11:50 pm

2 stops22h 50m

$461

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Sun 12/7

1:12 pm-9:15 am

1 stop35h 03m

Madrid Barajas

Sun 12/14

7:05 am-8:10 pm

2 stops22h 05m

$471

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Mon 1/12

6:00 am-11:55 am

2 stops20h 55m

Madrid Barajas

Fri 1/30

1:00 pm-6:49 pm

1 stop38h 49m

$477

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Tue 12/9

5:25 am-8:00 am

2 stops17h 35m

Madrid Barajas

Tue 12/16

7:25 am-8:59 pm

2 stops22h 34m

$480

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sat 12/6

4:45 pm-8:00 am

2 stops31h 15m

Madrid Barajas

Mon 12/22

11:15 am-10:37 pm

1 stop19h 22m

$481

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Sun 12/7

5:17 am-9:25 am

1 stop19h 08m

Madrid Barajas

Mon 12/22

12:00 pm-9:43 pm

1 stop18h 43m

$481

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 12/1

1:33 pm-4:55 pm

2 stops19h 22m

Madrid Barajas

Mon 12/8

12:55 am-12:27 pm

1 stop19h 32m

$484

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sat 12/6

5:35 am-8:00 am

2 stops42h 25m

Madrid Barajas

Mon 12/22

10:00 am-12:04 am

2 stops46h 04m

$529

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 $628.

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 23% 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

Direct flights

None
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
9,011 reviews
Search United Airlines flights
DeltaPriceFrom $550Free CancellationRating
7.9
8,004 reviews
Search Delta flights
IberiaPriceFrom $586Free CancellationRating
7.0
3,007 reviews
Search Iberia flights
American AirlinesPriceFrom $602Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Traveling to a place near Madrid?

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