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

Finnair and Air Canada 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 17h 53m on average. Another popular route from Spain to Idaho is flying from Barcelona to Boise, which will take roughly 31h 35m. 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.

$462 Cheap Flights from Spain to Idaho in 2025/26

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0 bags

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Find the cheapest flights from Spain to Idaho

Round-trip

One-way

Recent round-trip flight deals from Spain to Idaho

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2:00 pm - 1:35 pm

BCN

BOI

31h 35m1 stop

11:35 am - 4:20 pm

BOI

BCN

20h 45m2 stops

$735Multiple Airlines

Tue, Feb 3 - Tue, Feb 10

6:00 am - 1:21 pm

MAD

JAC

39h 21m2 stops

4:16 pm - 7:00 am

JAC

MAD

31h 44m2 stops

$795United Airlines

Thu, Mar 5 - Mon, Mar 9

6:00 am - 1:21 pm

MAD

JAC

39h 21m2 stops

4:27 pm - 9:15 am

JAC

MAD

32h 48m3 stops

$811United Airlines

Fri, Feb 20 - Tue, Feb 24

10:40 am - 7:25 pm

BCN

BOI

16h 45m1 stop

7:20 am - 8:50 am

BOI

BCN

17h 30m1 stop

$895Finnair

Thu, Jan 15 - Mon, Jan 19

10:40 am - 11:13 pm

BCN

BOI

20h 33m2 stops

1:58 pm - 8:50 am

BOI

BCN

34h 52m1 stop

$896American Airlines

Thu, Jan 15 - Mon, Jan 19

6:00 am - 6:28 pm

MAD

BOI

20h 28m2 stops

1:40 pm - 9:15 am

BOI

MAD

35h 35m1 stop

$896KLM

Tue, Jan 20 - Tue, Jan 27

12:55 am - 7:25 pm

MAD

BOI

26h 30m1 stop

7:00 am - 9:25 am

BOI

MAD

18h 25m1 stop

$899Finnair

Mon, Feb 2 - Tue, Mar 3

1:35 pm - 12:39 pm

MAD

BOI

31h 04m3 stops

12:19 pm - 8:00 am

BOI

MAD

35h 41m3 stops

$943Air Canada

Tue, Jan 20 - Tue, Jan 27

12:40 pm - 12:36 pm

MAD

JAC

31h 56m1 stop

1:44 pm - 8:50 am

JAC

MAD

12h 06m1 stop

$964American Airlines

Thu, Mar 5 - Mon, Mar 9

1:35 pm - 12:46 pm

BCN

GEG

32h 11m3 stops

7:00 am - 2:05 pm

GEG

BCN

22h 05m3 stops

$1,353Air Canada

Thu, Feb 5 - Thu, Feb 12

Finnair flights from Spain to Idaho

Our best Finnair deals on Spain to Idaho flight tickets

Finnair

Jan 15

BCN10:40 amBarcelona-El Prat

16h 45m

1 stop

BOI7:25 pmBoise Air Term. Gowen Fld

Jan 19

BOI7:20 amBoise Air Term. Gowen Fld

17h 30m

1 stop

BCN8:50 amBarcelona-El Prat

$895

Find similar

Finnair

Feb 2

MAD12:55 amMadrid Barajas

26h 30m

1 stop

BOI7:25 pmBoise Air Term. Gowen Fld

Mar 3

BOI7:00 amBoise Air Term. Gowen Fld

18h 25m

1 stop

MAD9:25 amMadrid Barajas

$899

Find similar

Finnair

May 12

MAD12:40 pmMadrid Barajas

16h 27m

1 stop

BOI9:07 pmBoise Air Term. Gowen Fld

May 19

BOI7:31 amBoise Air Term. Gowen Fld

17h 34m

1 stop

MAD9:05 amMadrid Barajas

$959

Find similar

American Airlines flights from Spain to Idaho

Our best American Airlines deals on Spain to Idaho flight tickets

American Airlines

Jan 15

BCN10:40 amBarcelona-El Prat

20h 33m

2 stops

BOI11:13 pmBoise Air Term. Gowen Fld

Jan 19

BOI1:58 pmBoise Air Term. Gowen Fld

34h 52m

1 stop

BCN8:50 amBarcelona-El Prat

$896

Find similar

American Airlines

Feb 5

BCN10:40 amBarcelona-El Prat

20h 33m

2 stops

BOI11:13 pmBoise Air Term. Gowen Fld

Feb 12

BOI7:00 amBoise Air Term. Gowen Fld

18h 00m

2 stops

BCN9:00 amBarcelona-El Prat

$934

Find similar

American Airlines

Mar 4

MAD12:55 amMadrid Barajas

19h 41m

1 stop

JAC12:36 pmJackson Hole

Mar 9

JAC3:16 pmJackson Hole

31h 29m

2 stops

MAD5:45 amMadrid Barajas

$964

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Tue 2/3

2:00 pm-1:35 pm

1 stop31h 35m

Boise Air Term. Gowen Fld

Tue 2/10

11:35 am-4:20 pm

2 stops20h 45m

$735

MadridJackson

MAD - JAC

MADJAC

Madrid Barajas

Thu 3/5

6:00 am-1:21 pm

2 stops39h 21m

Jackson Hole

Mon 3/9

4:16 pm-7:00 am

2 stops31h 44m

$795

MadridJackson

MAD - JAC

MADJAC

Madrid Barajas

Fri 2/20

6:00 am-1:21 pm

2 stops39h 21m

Jackson Hole

Tue 2/24

4:27 pm-9:15 am

3 stops32h 48m

$811

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 1/15

10:40 am-7:25 pm

1 stop16h 45m

Boise Air Term. Gowen Fld

Mon 1/19

7:20 am-8:50 am

1 stop17h 30m

$895

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 1/15

10:40 am-11:13 pm

2 stops20h 33m

Boise Air Term. Gowen Fld

Mon 1/19

1:58 pm-8:50 am

1 stop34h 52m

$896

MadridBoise

MAD - BOI

MADBOI

Madrid Barajas

Tue 1/20

6:00 am-6:28 pm

2 stops20h 28m

Boise Air Term. Gowen Fld

Tue 1/27

1:40 pm-9:15 am

1 stop35h 35m

$896

MadridBoise

MAD - BOI

MADBOI

Madrid Barajas

Mon 2/2

12:55 am-7:25 pm

1 stop26h 30m

Boise Air Term. Gowen Fld

Tue 3/3

7:00 am-9:25 am

1 stop18h 25m

$899

MadridBoise

MAD - BOI

MADBOI

Madrid Barajas

Tue 1/20

1:35 pm-12:39 pm

3 stops31h 04m

Boise Air Term. Gowen Fld

Tue 1/27

12:19 pm-8:00 am

3 stops35h 41m

$943

MadridJackson

MAD - JAC

MADJAC

Madrid Barajas

Thu 3/5

12:40 pm-12:36 pm

1 stop31h 56m

Jackson Hole

Mon 3/9

1:44 pm-8:50 am

1 stop12h 06m

$964

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Thu 2/5

1:35 pm-12:46 pm

3 stops32h 11m

Spokane

Thu 2/12

7:00 am-2:05 pm

3 stops22h 05m

$1,353

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 9% 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	17h 09m
Direct flights	None

The fastest flight from Spain to Idaho takes 17h 09m

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

Search flight deals

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.