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

Finnair, Royal Air Maroc, and Delta are the most popular carriers operating from Spain to Idaho

How long is the flight from Spain to Idaho?

Flight times from Spain to Idaho vary, but if you’re flying out of Madrid and flying into Boise (one of the most popular routes), then the duration is 23h 40m on average. Another popular route from Spain to Idaho is flying from Barcelona to Boise, which will take roughly 24h 04m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Spain to Idaho were last updated today.

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

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 Spain to Idaho.

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

The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$464 Cheap Flights from Spain to Idaho in 2026

Find the cheapest flights from Spain to Idaho

Round-trip

One-way

Recent round-trip flight deals from Spain to Idaho

Enter your travel dates to find the best prices.

11:15 am - 9:44 am

MAD

JAC

30h 29m

2 stops

7:50 am - 9:00 am

JAC

MAD

17h 10m

2 stops

$940United Airlines

Fri, Oct 16 - Tue, Oct 20

11:15 am - 9:44 am

MAD

JAC

30h 29m

2 stops

7:50 am - 9:00 am

JAC

MAD

17h 10m

2 stops

$941United Airlines

Fri, Oct 16 - Tue, Oct 20

6:00 am - 9:57 pm

MAD

BOI

23h 57m

2 stops

3:29 pm - 7:15 pm

BOI

MAD

19h 46m

2 stops

$943Delta

Fri, Aug 28 - Sun, Aug 30

8:00 am - 12:04 am

BCN

BOI

24h 04m

2 stops

10:52 am - 10:10 pm

BOI

BCN

27h 18m

2 stops

$944Multiple Airlines

Fri, Jul 31 - Fri, Aug 7

6:00 am - 6:48 pm

MAD

BOI

20h 48m

2 stops

11:10 pm - 12:15 pm

BOI

MAD

29h 05m

1 stop

$946Delta

Fri, Aug 28 - Sun, Aug 30

12:40 pm - 10:11 pm

MAD

BOI

17h 31m

1 stop

6:44 am - 9:05 am

BOI

MAD

18h 21m

1 stop

$988Finnair

Fri, Aug 28 - Sun, Aug 30

7:00 am - 5:16 pm

MAD

BOI

18h 16m

2 stops

10:52 am - 9:55 pm

BOI

MAD

27h 03m

2 stops

$991Multiple Airlines

Mon, Jul 20 - Sun, Jul 26

8:00 am - 7:48 pm

BCN

BOI

19h 48m

2 stops

10:52 am - 10:10 pm

BOI

BCN

27h 18m

2 stops

$1,002Multiple Airlines

Thu, Jul 9 - Mon, Jul 13

3:55 pm - 10:27 pm

MAD

BOI

38h 32m

1 stop

7:02 am - 12:40 pm

BOI

MAD

21h 38m

2 stops

$1,011Iberia

Thu, Sep 17 - Mon, Sep 21

12:40 pm - 10:27 pm

MAD

BOI

17h 47m

1 stop

7:02 am - 10:10 pm

BOI

MAD

31h 08m

2 stops

$1,012Iberia

Thu, Sep 17 - Mon, Sep 21

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Iberia flights from Spain to Idaho

Our best Iberia deals on Spain to Idaho flight tickets

Iberia

Sep 17

MAD3:55 pmMadrid Barajas

38h 32m

1 stop

BOI10:27 pmBoise Air Term. Gowen Fld

Sep 21

BOI7:02 amBoise Air Term. Gowen Fld

21h 38m

2 stops

MAD12:40 pmMadrid Barajas

$1,011

Iberia

Sep 17

MAD12:40 pmMadrid Barajas

17h 47m

1 stop

BOI10:27 pmBoise Air Term. Gowen Fld

Sep 21

BOI7:02 amBoise Air Term. Gowen Fld

21h 38m

2 stops

MAD12:40 pmMadrid Barajas

$1,012

Iberia

Sep 17

BCN10:45 amBarcelona-El Prat

19h 42m

1 stop

BOI10:27 pmBoise Air Term. Gowen Fld

Sep 21

BOI7:02 amBoise Air Term. Gowen Fld

26h 33m

2 stops

BCN5:35 pmBarcelona-El Prat

$1,018

KLM flights from Spain to Idaho

Our best KLM deals on Spain to Idaho flight tickets

KLM

Jul 2

BCN11:00 amBarcelona-El Prat

19h 35m

1 stop

BOI10:35 pmBoise Air Term. Gowen Fld

Jul 7

BOI10:35 amBoise Air Term. Gowen Fld

16h 35m

1 stop

BCN11:10 amBarcelona-El Prat

$1,180

KLM

Jul 17

BIO6:45 amBilbao

19h 06m

2 stops

BOI5:51 pmBoise Air Term. Gowen Fld

Aug 7

BOI6:45 pmBoise Air Term. Gowen Fld

20h 00m

2 stops

BIO10:45 pmBilbao

$1,201

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MadridJackson

MAD - JAC

MADJAC

Madrid Barajas

Fri 10/16

11:15 am-9:44 am

2 stops30h 29m

Jackson Hole

Tue 10/20

7:50 am-9:00 am

2 stops17h 10m

$940

MadridJackson

MAD - JAC

MADJAC

Madrid Barajas

Fri 10/16

11:15 am-9:44 am

2 stops30h 29m

Jackson Hole

Tue 10/20

7:50 am-9:00 am

2 stops17h 10m

$941

MadridBoise

MAD - BOI

MADBOI

Madrid Barajas

Fri 8/28

6:00 am-9:57 pm

2 stops23h 57m

Boise Air Term. Gowen Fld

Sun 8/30

3:29 pm-7:15 pm

2 stops19h 46m

$943

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Fri 7/31

8:00 am-12:04 am

2 stops24h 04m

Boise Air Term. Gowen Fld

Fri 8/7

10:52 am-10:10 pm

2 stops27h 18m

$944

MadridBoise

MAD - BOI

MADBOI

Madrid Barajas

Fri 8/28

6:00 am-6:48 pm

2 stops20h 48m

Boise Air Term. Gowen Fld

Sun 8/30

11:10 pm-12:15 pm

1 stop29h 05m

$946

Quickest round-trip

MadridBoise

MAD - BOI

MADBOI

Madrid Barajas

Fri 8/28

12:40 pm-10:11 pm

1 stop17h 31m

Boise Air Term. Gowen Fld

Sun 8/30

6:44 am-9:05 am

1 stop18h 21m

$988

MadridBoise

MAD - BOI

MADBOI

Madrid Barajas

Mon 7/20

7:00 am-5:16 pm

2 stops18h 16m

Boise Air Term. Gowen Fld

Sun 7/26

10:52 am-9:55 pm

2 stops27h 03m

$991

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 7/9

8:00 am-7:48 pm

2 stops19h 48m

Boise Air Term. Gowen Fld

Mon 7/13

10:52 am-10:10 pm

2 stops27h 18m

$1,002

MadridBoise

MAD - BOI

MADBOI

Madrid Barajas

Thu 9/17

3:55 pm-10:27 pm

1 stop38h 32m

Boise Air Term. Gowen Fld

Mon 9/21

7:02 am-12:40 pm

2 stops21h 38m

$1,011

MadridBoise

MAD - BOI

MADBOI

Madrid Barajas

Thu 9/17

12:40 pm-10:27 pm

1 stop17h 47m

Boise Air Term. Gowen Fld

Mon 9/21

7:02 am-10:10 pm

2 stops31h 08m

$1,012

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 Spain to Idaho

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

Other information

Can stopping save me money on Spain to Idaho flights?

You could potentially save up to 35% on your flight if you consider stops on a Spain to Idaho flight.

Cheap Spain to Idaho flight deals and tips

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

Fastest flight time	18h 49m
Direct flights	None

The fastest flight from Spain to Idaho takes 18h 49m

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

Search flight deals

Frequently asked questions about flying from Spain to Idaho

When did momondo last update prices for flights from Spain to Idaho?
Prices for flights from Spain to Idaho were last updated today.
How old do you have to be to fly from Spain to Idaho?
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 Spain to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Spain to Idaho for you.

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

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

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

Once all potential Spain to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Idaho from Spain are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.