Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Idaho to Madrid from $321

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.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Idaho to Madrid

Cheap round-trip flights

Multiple Airlines Logo
12:51 pm - 8:05 amGEG-MAD
35h 14m1 stop
Multiple Airlines Logo
8:30 pm - 2:54 pmMAD-GEG
27h 24m2 stops
$533Multiple Airlines
Find Deal
Mon, Oct 27 - Wed, Nov 12
Air France Logo
9:45 am - 11:30 amGEG-MAD
17h 45m2 stops
Air France Logo
6:00 am - 3:48 pmMAD-GEG
18h 48m2 stops
$539Air France
Find Deal
Mon, Oct 27 - Wed, Nov 12
Iberia Logo
7:00 am - 6:15 amBOI-MAD
15h 15m1 stop
Iberia Logo
12:40 pm - 10:25 pmMAD-BOI
17h 45m1 stop
$587Iberia
Find Deal
Tue, Nov 18 - Tue, Dec 9
American Airlines Logo
1:40 pm - 4:55 pmBOI-MAD
19h 15m2 stops
American Airlines Logo
12:55 am - 12:34 pmMAD-BOI
19h 39m1 stop
$591American Airlines
Find Deal
Mon, Nov 10 - Wed, Nov 19
Delta Logo
11:42 am - 5:40 pmBOI-MAD
21h 58m2 stops
Delta Logo
11:15 am - 12:07 amMAD-BOI
20h 52m2 stops
$596Delta
Find Deal
Mon, Nov 10 - Thu, Nov 20
United Airlines Logo
1:45 pm - 8:00 amGEG-MAD
33h 15m2 stops
United Airlines Logo
11:15 am - 9:09 pmMAD-GEG
18h 54m2 stops
$598United Airlines
Find Deal
Tue, Feb 17 - Tue, Feb 24
Delta Logo
7:00 am - 5:40 pmJAC-MAD
26h 40m2 stops
Delta Logo
6:00 am - 5:10 pmMAD-JAC
19h 10m2 stops
$601Delta
Find Deal
Wed, Nov 12 - Wed, Nov 19
United Airlines Logo
6:20 am - 8:00 amBOI-MAD
17h 40m2 stops
United Airlines Logo
6:00 am - 1:44 pmMAD-BOI
39h 44m3 stops
$605United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
American Airlines Logo
1:14 pm - 4:55 pmGEG-MAD
18h 41m2 stops
American Airlines Logo
12:40 pm - 8:55 pmMAD-GEG
17h 15m1 stop
$641American Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
Iberia Logo
5:49 am - 9:25 amGEG-MAD
18h 36m1 stop
Iberia Logo
12:55 am - 8:44 pmMAD-GEG
28h 49m1 stop
$843Iberia
Find Deal
Tue, Feb 17 - Mon, Feb 23

Iberia flights from Idaho to Madrid

Our best Iberia deals on Idaho to Madrid flight tickets
Iberia
Nov 18
BOI7:00 amBoise Air Term. Gowen Fld
15h 15m
1 stop
MAD6:15 amMadrid Barajas
Dec 9
MAD12:40 pmMadrid Barajas
17h 45m
1 stop
BOI10:25 pmBoise Air Term. Gowen Fld
$587
Find similar
Iberia
Feb 17
GEG5:49 amSpokane
18h 36m
1 stop
MAD9:25 amMadrid Barajas
Feb 23
MAD12:55 amMadrid Barajas
28h 49m
1 stop
GEG8:44 pmSpokane
$843
Find similar
Iberia
Feb 17
GEG5:49 amSpokane
30h 01m
2 stops
MAD8:50 pmMadrid Barajas
Feb 23
MAD12:55 amMadrid Barajas
28h 49m
1 stop
GEG8:44 pmSpokane
$847
Find similar

American Airlines flights from Idaho to Madrid

Our best American Airlines deals on Idaho to Madrid flight tickets
American Airlines
Nov 10
BOI1:40 pmBoise Air Term. Gowen Fld
19h 15m
2 stops
MAD4:55 pmMadrid Barajas
Nov 19
MAD12:55 amMadrid Barajas
19h 39m
1 stop
BOI12:34 pmBoise Air Term. Gowen Fld
$591
Find similar
American Airlines
Nov 6
GEG1:14 pmSpokane
18h 41m
2 stops
MAD4:55 pmMadrid Barajas
Nov 13
MAD12:40 pmMadrid Barajas
17h 15m
1 stop
GEG8:55 pmSpokane
$641
Find similar
American Airlines
Nov 28
JAC10:00 amJackson Hole
15h 25m
1 stop
MAD9:25 amMadrid Barajas
Dec 4
MAD12:40 pmMadrid Barajas
31h 34m
1 stop
JAC12:14 pmJackson Hole
$643
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 September 22, 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 10/27

12:51 pm-8:05 am

1 stop35h 14m

Madrid Barajas

Wed 11/12

8:30 pm-2:54 pm

2 stops27h 24m

$533

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Mon 10/27

9:45 am-11:30 am

2 stops17h 45m

Madrid Barajas

Wed 11/12

6:00 am-3:48 pm

2 stops18h 48m

$539

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 11/18

7:00 am-6:15 am

1 stop15h 15m

Madrid Barajas

Tue 12/9

12:40 pm-10:25 pm

1 stop17h 45m

$587

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 11/10

1:40 pm-4:55 pm

2 stops19h 15m

Madrid Barajas

Wed 11/19

12:55 am-12:34 pm

1 stop19h 39m

$591

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 11/10

11:42 am-5:40 pm

2 stops21h 58m

Madrid Barajas

Thu 11/20

11:15 am-12:07 am

2 stops20h 52m

$596

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Tue 2/17

1:45 pm-8:00 am

2 stops33h 15m

Madrid Barajas

Tue 2/24

11:15 am-9:09 pm

2 stops18h 54m

$598

JacksonMadrid

JAC - MAD

JACMAD

Jackson Hole

Wed 11/12

7:00 am-5:40 pm

2 stops26h 40m

Madrid Barajas

Wed 11/19

6:00 am-5:10 pm

2 stops19h 10m

$601

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 11/4

6:20 am-8:00 am

2 stops17h 40m

Madrid Barajas

Tue 11/11

6:00 am-1:44 pm

3 stops39h 44m

$605

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Thu 11/6

1:14 pm-4:55 pm

2 stops18h 41m

Madrid Barajas

Thu 11/13

12:40 pm-8:55 pm

1 stop17h 15m

$641

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Tue 2/17

5:49 am-9:25 am

1 stop18h 36m

Madrid Barajas

Mon 2/23

12:55 am-8:44 pm

1 stop28h 49m

$843

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August is, on average, the cheapest month to fly to Madrid from Idaho, with most prices found around $628. If you don’t want to visit Madrid in August, then you should wait until November to fly from Idaho, when ticket prices are also cheap, with an average price of $655.

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 $579Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
IberiaPriceFrom $586Free CancellationRating
7.0
2,938 reviews
Search Iberia flights
American AirlinesPriceFrom $591Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $627Free CancellationRating
7.9
7,971 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
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.

An easier way to manage your Madrid trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 10/22
Wed 10/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Fly your favorite airline to Madrid

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Delta
American Airlines
United Airlines
Turkish Airlines
Lufthansa
Frontier
British Airways
Qatar Airways
Spirit Airlines
Ryanair
Alaska Airlines
Emirates