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Cheap flights from Idaho to Madrid from $357

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 9/30. 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.
Iberia Logo
2:55 pm - 2:25 pm
BOI
-
MAD
15h 30m
1 stop
Iberia Logo
12:20 pm - 10:17 pm
MAD
-
BOI
17h 57m
1 stop
$794Iberia
Tue, Sep 29 - Wed, Oct 7
Multiple Airlines Logo
6:44 am - 2:25 pm
BOI
-
MAD
23h 41m
1 stop
Multiple Airlines Logo
7:50 pm - 12:32 pm
MAD
-
BOI
24h 42m
2 stops
$799Multiple Airlines
Tue, Sep 29 - Wed, Oct 14
Multiple Airlines Logo
12:45 pm - 2:25 pm
GEG
-
MAD
16h 40m
1 stop
Multiple Airlines Logo
7:50 pm - 11:58 am
MAD
-
GEG
25h 08m
2 stops
$799Multiple Airlines
Wed, Oct 7 - Fri, Oct 16
Multiple Airlines Logo
6:44 am - 2:25 pm
BOI
-
MAD
23h 41m
1 stop
Multiple Airlines Logo
11:45 am - 12:32 pm
MAD
-
BOI
32h 47m
1 stop
$800Multiple Airlines
Tue, Sep 29 - Wed, Oct 14
Multiple Airlines Logo
6:00 am - 2:25 pm
GEG
-
MAD
23h 25m
1 stop
Multiple Airlines Logo
3:55 pm - 11:58 am
MAD
-
GEG
29h 03m
1 stop
$800Multiple Airlines
Tue, Sep 22 - Wed, Oct 7
American Airlines Logo
1:18 pm - 1:20 pm
BOI
-
MAD
16h 02m
2 stops
American Airlines Logo
3:55 pm - 11:26 am
MAD
-
BOI
27h 31m
1 stop
$804American Airlines
Tue, Sep 29 - Wed, Oct 7
American Airlines Logo
1:53 pm - 1:30 pm
GEG
-
MAD
14h 37m
1 stop
American Airlines Logo
12:20 pm - 8:47 pm
MAD
-
GEG
17h 27m
1 stop
$821American Airlines
Wed, Oct 7 - Fri, Oct 16
United Airlines Logo
8:15 am - 9:50 am
BOI
-
MAD
41h 35m
2 stops
United Airlines Logo
11:15 am - 11:52 pm
MAD
-
BOI
20h 37m
2 stops
$861United Airlines
Tue, Sep 29 - Wed, Oct 7
Air Canada Logo
5:00 am - 8:50 am
BOI
-
MAD
19h 50m
3 stops
Air Canada Logo
1:30 pm - 9:35 am
MAD
-
BOI
28h 05m
3 stops
$869Air Canada
Tue, Sep 29 - Wed, Oct 14
United Airlines Logo
4:23 pm - 9:00 am
JAC
-
MAD
32h 37m
2 stops
United Airlines Logo
12:45 pm - 8:58 pm
MAD
-
JAC
40h 13m
2 stops
$964United Airlines
Tue, Jul 7 - Tue, Jul 14

American Airlines flights from Idaho to Madrid

Our best American Airlines deals on Idaho to Madrid flight tickets
American Airlines
Oct 7
GEG1:53 pmSpokane
14h 37m
1 stop
MAD1:30 pmMadrid Barajas
Oct 16
MAD12:20 pmMadrid Barajas
17h 27m
1 stop
GEG8:47 pmSpokane
$821
American Airlines
Sep 22
GEG1:58 pmSpokane
18h 32m
2 stops
MAD5:30 pmMadrid Barajas
Oct 7
MAD10:25 amMadrid Barajas
19h 22m
2 stops
GEG8:47 pmSpokane
$822
American Airlines
Sep 24
GEG1:58 pmSpokane
14h 32m
1 stop
MAD1:30 pmMadrid Barajas
Oct 9
MAD12:20 pmMadrid Barajas
17h 27m
1 stop
GEG8:47 pmSpokane
$844

Iberia flights from Idaho to Madrid

Our best Iberia deals on Idaho to Madrid flight tickets
Iberia
Nov 8
GEG5:25 amSpokane
15h 45m
1 stop
MAD6:10 amMadrid Barajas
Nov 12
MAD1:00 pmMadrid Barajas
16h 55m
1 stop
GEG8:55 pmSpokane
$794
Iberia
Oct 16
GEG12:45 pmSpokane
16h 40m
1 stop
MAD2:25 pmMadrid Barajas
Oct 30
MAD1:00 pmMadrid Barajas
30h 58m
1 stop
GEG11:58 amSpokane
$850
Iberia
Oct 10
GEG12:45 pmSpokane
35h 20m
1 stop
MAD9:05 amMadrid Barajas
Oct 24
MAD3:55 pmMadrid Barajas
29h 03m
1 stop
GEG11:58 amSpokane
$857

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 May 12, 2026.
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

Cheapest round-trip

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 9/29

2:55 pm-2:25 pm

1 stop15h 30m

Madrid Barajas

Wed 10/7

12:20 pm-10:17 pm

1 stop17h 57m

$794

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 9/29

6:44 am-2:25 pm

1 stop23h 41m

Madrid Barajas

Wed 10/14

7:50 pm-12:32 pm

2 stops24h 42m

$799

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Wed 10/7

12:45 pm-2:25 pm

1 stop16h 40m

Madrid Barajas

Fri 10/16

7:50 pm-11:58 am

2 stops25h 08m

$799

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 9/29

6:44 am-2:25 pm

1 stop23h 41m

Madrid Barajas

Wed 10/14

11:45 am-12:32 pm

1 stop32h 47m

$800

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Tue 9/22

6:00 am-2:25 pm

1 stop23h 25m

Madrid Barajas

Wed 10/7

3:55 pm-11:58 am

1 stop29h 03m

$800

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 9/29

1:18 pm-1:20 pm

2 stops16h 02m

Madrid Barajas

Wed 10/7

3:55 pm-11:26 am

1 stop27h 31m

$804
Quickest round-trip

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Wed 10/7

1:53 pm-1:30 pm

1 stop14h 37m

Madrid Barajas

Fri 10/16

12:20 pm-8:47 pm

1 stop17h 27m

$821

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 9/29

8:15 am-9:50 am

2 stops41h 35m

Madrid Barajas

Wed 10/7

11:15 am-11:52 pm

2 stops20h 37m

$861

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 9/29

5:00 am-8:50 am

3 stops19h 50m

Madrid Barajas

Wed 10/14

1:30 pm-9:35 am

3 stops28h 05m

$869

JacksonMadrid

JAC - MAD

JACMAD

Jackson Hole

Tue 7/7

4:23 pm-9:00 am

2 stops32h 37m

Madrid Barajas

Tue 7/14

12:45 pm-8:58 pm

2 stops40h 13m

$964

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 January is, on average, the cheapest month to fly to Madrid from Idaho, with most prices found around $0. If you don’t want to visit Madrid in January, then you should wait until September to fly from Idaho, when ticket prices are also cheap, with an average price of $467.

Can stopping save me money on Idaho to Madrid flights?

You could potentially save up to 28% 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

15h 10m

Direct flights

None
The fastest flight from Idaho to Madrid takes 15h 10m
There are no direct flights from Idaho to Madrid. There are no popular flight routes from Idaho to Madrid.
Search flight deals

Frequently asked questions about flying from Idaho to Madrid

  • 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
IberiaPriceFrom $489Free CancellationRating
7.0
3,215 reviews
Search Iberia flights
United AirlinesPriceFrom $493Free CancellationRating
7.4
9,700 reviews
Search United Airlines flights
American AirlinesPriceFrom $541Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
DeltaPriceFrom $627Free CancellationRating
7.9
8,450 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
Fuenlabrada
Getafe
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.

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.
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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
Delta
American Airlines
United Airlines