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

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

What airlines fly to Spain?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Spain from Idaho according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 6 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 6 operators available for flights from Idaho to Spain as of August 2025.

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.

$312 Cheap Flights from Idaho to Spain in 2025

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Find the cheapest flights from Idaho to Spain

Round-trip

One-way

Last minute

Cheap round-trip flights

12:35 pm - 9:35 amBOI-BCN

37h 00m2 stops

1:35 pm - 11:39 amBCN-BOI

30h 04m2 stops

$461

Find Deal

sáb., nov. 8 - lun., nov. 17

2:31 pm - 9:35 amBOI-BCN

35h 04m3 stops

1:35 pm - 11:39 amBCN-BOI

30h 04m2 stops

$467

Find Deal

sáb., nov. 8 - lun., nov. 17

5:05 am - 9:00 amGEG-MAD

18h 55m2 stops

12:30 pm - 8:24 pmMAD-GEG

40h 54m2 stops

$476United Airlines

Find Deal

mar., sep. 30 - mié., oct. 15

5:40 am - 8:00 amBOI-MAD

18h 20m2 stops

10:00 am - 10:19 amMAD-BOI

32h 19m2 stops

$480Delta

Find Deal

mar., nov. 4 - mar., nov. 25

8:25 am - 9:35 amBOI-BCN

17h 10m2 stops

1:35 pm - 9:21 pmBCN-BOI

39h 46m2 stops

$483United Airlines

Find Deal

mié., nov. 19 - jue., nov. 27

7:00 am - 9:25 amBOI-MAD

18h 25m1 stop

1:00 pm - 10:03 pmMAD-BOI

17h 03m1 stop

$488Iberia

Find Deal

mar., nov. 4 - mar., nov. 25

5:00 am - 7:50 amBOI-BCN

18h 50m2 stops

12:10 pm - 1:43 pmBCN-BOI

33h 33m2 stops

$489Air Canada

Find Deal

dom., oct. 12 - mié., oct. 22

5:25 am - 2:15 pmGEG-MAD

23h 50m2 stops

12:40 pm - 8:44 pmMAD-GEG

17h 04m1 stop

$491Iberia

Find Deal

lun., dic. 1 - vie., dic. 12

2:45 pm - 7:50 amBOI-BCN

57h 05m2 stops

12:10 pm - 1:43 pmBCN-BOI

33h 33m2 stops

$561Air Canada

Find Deal

vie., sep. 19 - mar., sep. 30

5:05 am - 11:30 amGEG-MAD

21h 25m2 stops

6:00 am - 12:18 amMAD-GEG

27h 18m2 stops

$706Delta

Find Deal

jue., nov. 20 - mar., dic. 2

United Airlines flights from Idaho to Spain

Our best United Airlines deals on Idaho to Spain flight tickets

United Airlines

Sep 30

GEG5:05 amSpokane

18h 55m

2 stops

MAD9:00 amMadrid Barajas

Oct 15

MAD12:30 pmMadrid Barajas

40h 54m

2 stops

GEG8:24 pmSpokane

$476

Find similar

United Airlines

Nov 19

BOI8:25 amBoise Air Term. Gowen Fld

17h 10m

2 stops

BCN9:35 amBarcelona-El Prat

Nov 27

BCN1:35 pmBarcelona-El Prat

39h 46m

2 stops

BOI9:21 pmBoise Air Term. Gowen Fld

$483

Find similar

United Airlines

Nov 19

BOI6:15 amBoise Air Term. Gowen Fld

27h 20m

2 stops

BCN5:35 pmBarcelona-El Prat

Nov 27

BCN3:05 pmBarcelona-El Prat

28h 34m

1 stop

BOI11:39 amBoise Air Term. Gowen Fld

$511

Find similar

Iberia flights from Idaho to Spain

Our best Iberia deals on Idaho to Spain flight tickets

Iberia

Nov 4

BOI7:00 amBoise Air Term. Gowen Fld

18h 25m

1 stop

MAD9:25 amMadrid Barajas

Nov 25

MAD1:00 pmMadrid Barajas

17h 03m

1 stop

BOI10:03 pmBoise Air Term. Gowen Fld

$488

Find similar

Iberia

Dec 1

GEG5:25 amSpokane

23h 50m

2 stops

MAD2:15 pmMadrid Barajas

Dec 12

MAD12:40 pmMadrid Barajas

17h 04m

1 stop

GEG8:44 pmSpokane

$491

Find similar

Iberia

Oct 1

BOI1:38 pmBoise Air Term. Gowen Fld

25h 12m

2 stops

BCN10:50 pmBarcelona-El Prat

Oct 7

BCN12:20 pmBarcelona-El Prat

18h 02m

1 stop

BOI10:22 pmBoise Air Term. Gowen Fld

$585

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

sáb. 11/8

12:35 pm-9:35 am

2 stops37h 00m

Barcelona-El Prat

lun. 11/17

1:35 pm-11:39 am

2 stops30h 04m

$461

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

sáb. 11/8

2:31 pm-9:35 am

3 stops35h 04m

Barcelona-El Prat

lun. 11/17

1:35 pm-11:39 am

2 stops30h 04m

$467

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

mar. 9/30

5:05 am-9:00 am

2 stops18h 55m

Madrid Barajas

mié. 10/15

12:30 pm-8:24 pm

2 stops40h 54m

$476

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

mar. 11/4

5:40 am-8:00 am

2 stops18h 20m

Madrid Barajas

mar. 11/25

10:00 am-10:19 am

2 stops32h 19m

$480

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

mié. 11/19

8:25 am-9:35 am

2 stops17h 10m

Barcelona-El Prat

jue. 11/27

1:35 pm-9:21 pm

2 stops39h 46m

$483

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

mar. 11/4

7:00 am-9:25 am

1 stop18h 25m

Madrid Barajas

mar. 11/25

1:00 pm-10:03 pm

1 stop17h 03m

$488

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

dom. 10/12

5:00 am-7:50 am

2 stops18h 50m

Barcelona-El Prat

mié. 10/22

12:10 pm-1:43 pm

2 stops33h 33m

$489

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

lun. 12/1

5:25 am-2:15 pm

2 stops23h 50m

Madrid Barajas

vie. 12/12

12:40 pm-8:44 pm

1 stop17h 04m

$491

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

vie. 9/19

2:45 pm-7:50 am

2 stops57h 05m

Barcelona-El Prat

mar. 9/30

12:10 pm-1:43 pm

2 stops33h 33m

$561

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

jue. 11/20

5:05 am-11:30 am

2 stops21h 25m

Madrid Barajas

mar. 12/2

6:00 am-12:18 am

2 stops27h 18m

$706

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 November to fly from Idaho, when ticket prices are also cheap, with an average price of $636.

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

The cheapest day to depart from Idaho to Spain is on a Sunday when prices can be found for as low as $813. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to Spain for around $1,459.

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

Flying to Spain from Idaho in the evening is the least expensive time of day to depart. momondo users have found prices as low as $842 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Spain is in the morning when prices are around $1,010.

Can stopping save me money on Idaho to Spain flights?

You could potentially save up to 4% 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	$312
Fastest flight time	13h 20m
Direct flights	None
Airports in Spain	4 airports

The best one-way flight to Spain from Idaho in the past 72 hours is $312. The best round-trip flight deal from Idaho to Spain found on momondo in the last 72 hours is $461.

The fastest flight from Idaho to Spain takes 13h 20m

There are no direct flights from Idaho to Spain. Popular non-direct routes for this connection are Spokane Airport - Madrid Barajas Airport, Spokane Airport - Malaga Airport and Spokane Airport - Barcelona-El Prat Airport.

There are 4 airports near Spain: Madrid Barajas (MAD), Bilbao (BIO), Malaga (AGP), Barcelona-El Prat (BCN)

Search flight deals

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 6 operators available for flights from Idaho to Spain as of August 2025.
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
American Airlines	PriceFrom $549	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $550	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
Iberia	PriceFrom $564	Free Cancellation	Rating 7.0 2,866 reviews	Search Iberia flights
United Airlines	PriceFrom $569	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
Finnair	PriceFrom $637	Free Cancellation	Rating 7.6 1,319 reviews	Search Finnair flights
KLM	PriceFrom $664	Free Cancellation	Rating 7.8 1,382 reviews	Search KLM 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.