What is the cheapest airline that flies from Idaho to Spain?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Idaho to Spain

What airlines fly to Spain?

Delta, United Airlines and Iberia are the top three most popular airlines that fly to Spain from Idaho according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 5 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Idaho to Spain?

Prices for flights from Idaho to Spain refresh daily.

How many operators does momondo search for flights from Idaho to Spain?

There are 5 operators available for flights from Idaho to Spain as of August 2026.

How old do you have to be to fly from Idaho to Spain?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Spain.

What documentation or ID do you need to fly to Spain?

The required travel and health documents for your Spain 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 Spain. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$416 Cheap Flights from Idaho to Spain in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Spain

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 8:00 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

17h 30m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

1:25 pm - 12:12 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

30h 47m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$712Air Canada

Wed, Nov 18 - Wed, Nov 25

5:44 pm - 7:45 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

30h 01m2 stops Denver Intl Washington, D.C. Dulles Intl

1:25 pm - 11:31 amMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

30h 06m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$735United Airlines

Mon, Nov 2 - Tue, Nov 10

5:00 am - 9:15 amGEG Spokane-MAD Madrid Barajas

19h 15m2 stops Denver Intl Newark

1:25 pm - 12:29 pmMAD Madrid Barajas-GEG Spokane

32h 04m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$735United Airlines

Sun, Nov 8 - Tue, Nov 17

6:30 am - 8:00 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

17h 30m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

1:25 pm - 1:45 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

32h 20m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Denver Intl

$742Multiple Airlines

Wed, Nov 18 - Thu, Nov 26

11:22 am - 8:00 amGEG Spokane-MAD Madrid Barajas

35h 38m3 stops Chicago O'Hare Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

1:25 pm - 12:29 pmMAD Madrid Barajas-GEG Spokane

32h 04m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$742Multiple Airlines

Sun, Nov 8 - Tue, Nov 17

1:27 pm - 1:35 pmBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

16h 08m2 stops Chicago O'Hare Intl London Heathrow

12:55 am - 1:45 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

20h 50m1 stop Dallas/Fort Worth

$748American Airlines

Mon, Nov 2 - Mon, Nov 9

12:49 pm - 2:25 pmGEG Spokane-MAD Madrid Barajas

16h 36m1 stop Dallas/Fort Worth

11:05 am - 8:43 pmMAD Madrid Barajas-GEG Spokane

17h 38m1 stop Dallas/Fort Worth

$751Iberia

Wed, Oct 21 - Fri, Oct 30

11:22 am - 8:00 amGEG Spokane-MAD Madrid Barajas

35h 38m3 stops Chicago O'Hare Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

1:25 pm - 12:47 pmMAD Madrid Barajas-GEG Spokane

32h 22m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Denver Intl

$751Air Canada

Sun, Nov 8 - Tue, Nov 17

2:41 pm - 9:40 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

34h 59m2 stops Dallas/Fort Worth London Heathrow

7:30 am - 10:39 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

23h 09m2 stops Dublin Dallas/Fort Worth

$752Iberia

Wed, Oct 7 - Wed, Oct 14

7:00 am - 8:50 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

17h 50m2 stops Dallas/Fort Worth Chicago O'Hare Intl

12:55 am - 5:00 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

24h 05m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$755American Airlines

Wed, Nov 18 - Wed, Nov 25

Cheap last minute flights

Enter your travel dates to find the best prices.

7:40 am - 8:45 amJAC Jackson Hole-BCN Barcelona-El Prat

17h 05m2 stops Salt Lake City New York John F Kennedy Intl

6:20 am - 8:10 pmBCN Barcelona-El Prat-JAC Jackson Hole

21h 50m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,054KLM

Tue, Sep 1 - Sun, Sep 6

2:44 pm - 8:50 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

34h 06m2 stops Denver Intl Toronto Pearson Intl

12:45 pm - 11:28 amMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

30h 43m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$1,064United Airlines

Mon, Aug 31 - Wed, Sep 30

1:10 pm - 12:50 pmJAC Jackson Hole-BCN Barcelona-El Prat

15h 40m2 stops Salt Lake City Atlanta Hartsfield-Jackson

6:20 am - 8:11 pmBCN Barcelona-El Prat-JAC Jackson Hole

21h 51m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,068Delta

Tue, Sep 1 - Sun, Sep 6

1:10 pm - 8:35 amJAC Jackson Hole-BCN Barcelona-El Prat

35h 25m2 stops Salt Lake City Boston Logan Intl

11:00 am - 8:11 pmBCN Barcelona-El Prat-JAC Jackson Hole

17h 11m1 stop Atlanta Hartsfield-Jackson

$1,079Virgin Atlantic

Tue, Sep 1 - Sun, Sep 6

5:00 am - 8:50 amGEG Spokane-MAD Madrid Barajas

42h 50m2 stops Denver Intl Toronto Pearson Intl

8:25 am - 11:53 amMAD Madrid Barajas-GEG Spokane

60h 28m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,112United Airlines

Mon, Aug 31 - Mon, Sep 7

12:44 pm - 2:50 pmGEG Spokane-MAD Madrid Barajas

41h 06m2 stops Dallas/Fort Worth Amsterdam Schiphol

9:00 pm - 8:42 pmMAD Madrid Barajas-GEG Spokane

32h 42m2 stops London Heathrow Dallas/Fort Worth

$1,139Iberia

Mon, Aug 31 - Mon, Sep 7

10:00 am - 1:35 pmJAC Jackson Hole-BCN Barcelona-El Prat

19h 35m1 stop New York John F Kennedy Intl

7:10 pm - 12:58 pmBCN Barcelona-El Prat-JAC Jackson Hole

25h 48m2 stops Boston Logan Intl New York John F Kennedy Intl

$1,150American Airlines

Tue, Sep 1 - Sun, Sep 6

1:10 pm - 12:50 pmJAC Jackson Hole-BCN Barcelona-El Prat

15h 40m2 stops Salt Lake City Atlanta Hartsfield-Jackson

11:00 am - 8:11 pmBCN Barcelona-El Prat-JAC Jackson Hole

17h 11m1 stop Atlanta Hartsfield-Jackson

$1,171Virgin Atlantic

Tue, Sep 1 - Sun, Sep 6

6:44 am - 9:35 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

18h 51m2 stops Dallas/Fort Worth Philadelphia

3:55 pm - 1:00 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

29h 05m1 stop Dallas/Fort Worth

$1,332American Airlines

Mon, Aug 31 - Wed, Sep 30

6:44 am - 2:25 pmBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

23h 41m1 stop Dallas/Fort Worth

3:55 pm - 11:16 amMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

27h 21m1 stop Dallas/Fort Worth

$1,752Iberia

Fri, Aug 28 - Sun, Aug 30

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Air Canada flights from Idaho to Spain

Our best Air Canada deals on Idaho to Spain flight tickets

Air Canada

Nov 18

BOI6:30 amBoise Air Term. Gowen Fld

17h 30m

2 stops

MAD8:00 amMadrid Barajas

Nov 25

MAD1:25 pmMadrid Barajas

30h 47m

2 stops

BOI12:12 pmBoise Air Term. Gowen Fld

$712

Air Canada

Nov 2

BOI2:51 pmBoise Air Term. Gowen Fld

33h 09m

3 stops

MAD8:00 amMadrid Barajas

Nov 10

MAD1:25 pmMadrid Barajas

32h 20m

3 stops

BOI1:45 pmBoise Air Term. Gowen Fld

$751

Air Canada

Nov 3

BOI5:00 amBoise Air Term. Gowen Fld

19h 00m

2 stops

MAD8:00 amMadrid Barajas

Nov 10

MAD1:25 pmMadrid Barajas

28h 27m

2 stops

BOI9:52 amBoise Air Term. Gowen Fld

$758

British Airways flights from Idaho to Spain

Our best British Airways deals on Idaho to Spain flight tickets

British Airways

Jan 17

GEG3:38 pmSpokane

35h 07m

2 stops

AGP11:45 amMalaga

Jan 21

AGP11:50 amMalaga

40h 12m

2 stops

GEG7:02 pmSpokane

$973

British Airways

Sep 29

JAC1:48 pmJackson Hole

15h 42m

1 stop

MAD1:30 pmMadrid Barajas

Nov 10

MAD12:40 pmMadrid Barajas

31h 59m

2 stops

JAC12:39 pmJackson Hole

$4,637

British Airways

Sep 29

JAC3:41 pmJackson Hole

16h 09m

2 stops

MAD3:50 pmMadrid Barajas

Nov 10

MAD10:55 amMadrid Barajas

33h 44m

2 stops

JAC12:39 pmJackson Hole

$4,657

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseMadrid

BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas

BOIMAD

Boise Air Term. Gowen Fld

Wed 11/18

6:30 am-8:00 am

2 stops17h 30m

Madrid Barajas

Wed 11/25

1:25 pm-12:12 pm

2 stops30h 47m

$712

BoiseMadrid

BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas

BOIMAD

Boise Air Term. Gowen Fld

Mon 11/2

5:44 pm-7:45 am

2 stops30h 01m

Madrid Barajas

Tue 11/10

1:25 pm-11:31 am

2 stops30h 06m

$735

SpokaneMadrid

GEG Spokane - MAD Madrid Barajas

GEGMAD

Spokane

Sun 11/8

5:00 am-9:15 am

2 stops19h 15m

Madrid Barajas

Tue 11/17

1:25 pm-12:29 pm

2 stops32h 04m

$735

BoiseMadrid

BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas

BOIMAD

Boise Air Term. Gowen Fld

Wed 11/18

6:30 am-8:00 am

2 stops17h 30m

Madrid Barajas

Thu 11/26

1:25 pm-1:45 pm

3 stops32h 20m

$742

SpokaneMadrid

GEG Spokane - MAD Madrid Barajas

GEGMAD

Spokane

Sun 11/8

11:22 am-8:00 am

3 stops35h 38m

Madrid Barajas

Tue 11/17

1:25 pm-12:29 pm

2 stops32h 04m

$742

BoiseMadrid

BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas

BOIMAD

Boise Air Term. Gowen Fld

Mon 11/2

1:27 pm-1:35 pm

2 stops16h 08m

Madrid Barajas

Mon 11/9

12:55 am-1:45 pm

1 stop20h 50m

$748

Quickest round-trip

SpokaneMadrid

GEG Spokane - MAD Madrid Barajas

GEGMAD

Spokane

Wed 10/21

12:49 pm-2:25 pm

1 stop16h 36m

Madrid Barajas

Fri 10/30

11:05 am-8:43 pm

1 stop17h 38m

$751

SpokaneMadrid

GEG Spokane - MAD Madrid Barajas

GEGMAD

Spokane

Sun 11/8

11:22 am-8:00 am

3 stops35h 38m

Madrid Barajas

Tue 11/17

1:25 pm-12:47 pm

3 stops32h 22m

$751

BoiseMadrid

BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas

BOIMAD

Boise Air Term. Gowen Fld

Wed 10/7

2:41 pm-9:40 am

2 stops34h 59m

Madrid Barajas

Wed 10/14

7:30 am-10:39 pm

2 stops23h 09m

$752

BoiseMadrid

BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas

BOIMAD

Boise Air Term. Gowen Fld

Wed 11/18

7:00 am-8:50 am

2 stops17h 50m

Madrid Barajas

Wed 11/25

12:55 am-5:00 pm

2 stops24h 05m

$755

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Spain

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

Prices

Airlines

What is the cheapest month to fly to Spain?

If you don’t want to visit Spain in February, then you should wait until January to fly from Idaho, when ticket prices are also cheap, with an average price of $674.

Can stopping save me money on Idaho to Spain flights?

You could potentially save up to 67% on your flight if you consider stops on a Idaho to Spain flight.

Cheap Idaho to Spain flight deals and tips

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

Best Price Found	$416
Fastest flight time	14h 02m
Direct flights	None

The best one-way flight to Spain from Idaho in the past 72 hours is $416. The best round-trip flight deal from Idaho to Spain found on momondo in the last 72 hours is $712.

The fastest flight from Idaho to Spain takes 14h 02m

There are no direct flights from Idaho to Spain. There are no popular flight routes from Idaho to Spain.

Search flight deals

Frequently asked questions about flying from Idaho to Spain

When did momondo last update prices for flights from Idaho to Spain?
Prices for flights from Idaho to Spain refresh daily.
How many operators does momondo search for flights from Idaho to Spain?
There are 5 operators available for flights from Idaho to Spain as of August 2026.
How old do you have to be to fly from Idaho to Spain?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Spain.
What documentation or ID do you need to fly to Spain?
The required travel and health documents for your Spain 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 Spain. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Spain

Compare and see reviews for airlines that fly from Idaho to Spain with momondo

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $483	Free Cancellation	Rating 7.0 3,258 reviews	Search Iberia flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 12,011 reviews	Search American Airlines flights
United Airlines	PriceFrom $498	Free Cancellation	Rating 7.4 10,130 reviews	Search United Airlines flights
Delta	PriceFrom $528	Free Cancellation	Rating 7.8 8,531 reviews	Search Delta flights
Air Canada	PriceFrom $856	Free Cancellation	Rating 7.1 11,542 reviews	Search Air Canada flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Spain from Idaho.

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

momondo does allow users to show only those flights to Spain from Idaho which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Idaho to Spain flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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