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

American Airlines is the most popular carrier 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 20h 04m on average. Another popular route from Spain to Idaho is flying from Barcelona to Boise, which will take roughly 20h 45m. 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.

$685 Cheap Flights from Spain to Idaho in 2026/27

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.

7:00 am - 10:20 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

23h 20m2 stops Frankfurt am Main Seattle/Tacoma Intl

2:00 pm - 9:45 pmBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

23h 45m2 stops Seattle/Tacoma Intl Frankfurt am Main

$838Multiple Airlines

Thu, Nov 19 - Mon, Nov 23

6:05 am - 6:09 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

20h 04m2 stops Frankfurt am Main Denver Intl

4:10 pm - 9:30 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

33h 20m2 stops San Francisco Newark

$1,001United Airlines

Thu, Jan 21 - Mon, Jan 25

6:05 am - 6:09 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

20h 04m2 stops Frankfurt am Main Denver Intl

4:10 pm - 9:30 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

33h 20m2 stops San Francisco Newark

$1,003United Airlines

Thu, Jan 21 - Mon, Jan 25

6:05 am - 6:09 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

20h 04m2 stops Frankfurt am Main Denver Intl

4:10 pm - 9:30 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

33h 20m2 stops San Francisco Newark

$1,004United Airlines

Thu, Jan 21 - Mon, Jan 25

6:05 am - 11:49 pmAGP Malaga-BOI Boise Air Term. Gowen Fld

25h 44m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

5:30 am - 12:00 pmBOI Boise Air Term. Gowen Fld-AGP Malaga

22h 30m2 stops Minneapolis St Paul Paris Charles de Gaulle

$1,026Delta

Mon, Jan 11 - Mon, Jan 25

1:25 pm - 4:50 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

35h 25m2 stops Montreal Pierre Elliott Trudeau Intl San Francisco

2:48 pm - 7:45 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

32h 57m2 stops Denver Intl Washington, D.C. Dulles Intl

$1,071Multiple Airlines

Wed, Dec 2 - Wed, Dec 9

1:25 pm - 4:42 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

35h 17m2 stops Montreal Pierre Elliott Trudeau Intl San Francisco

5:44 pm - 8:00 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

30h 16m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

$1,072Air Canada

Wed, Nov 18 - Sun, Nov 22

12:20 pm - 9:59 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

17h 39m1 stop Atlanta Hartsfield-Jackson

10:37 am - 7:20 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

36h 43m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl

$1,086Virgin Atlantic

Thu, Nov 19 - Mon, Nov 23

6:05 am - 11:59 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

25h 54m2 stops Amsterdam Schiphol Minneapolis St Paul

11:10 pm - 9:45 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

26h 35m1 stop Atlanta Hartsfield-Jackson

$1,088Delta

Wed, Nov 18 - Sun, Nov 22

1:30 pm - 10:42 pmMAD Madrid Barajas-BOI Boise Air Term. Gowen Fld

17h 12m1 stop Dallas/Fort Worth

2:42 pm - 8:50 amBOI Boise Air Term. Gowen Fld-MAD Madrid Barajas

34h 08m2 stops Dallas/Fort Worth New York John F Kennedy Intl

$1,093American Airlines

Wed, Nov 18 - Sun, Nov 22

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United Airlines flights from Spain to Idaho

Our best United Airlines deals on Spain to Idaho flight tickets

United Airlines

Jan 21

MAD6:05 amMadrid Barajas

20h 04m

2 stops

BOI6:09 pmBoise Air Term. Gowen Fld

Jan 25

BOI4:10 pmBoise Air Term. Gowen Fld

33h 20m

2 stops

MAD9:30 amMadrid Barajas

$1,001

United Airlines

Jan 21

MAD6:05 amMadrid Barajas

20h 04m

2 stops

BOI6:09 pmBoise Air Term. Gowen Fld

Jan 25

BOI4:10 pmBoise Air Term. Gowen Fld

33h 20m

2 stops

MAD9:30 amMadrid Barajas

$1,003

United Airlines

Jan 21

MAD6:05 amMadrid Barajas

20h 04m

2 stops

BOI6:09 pmBoise Air Term. Gowen Fld

Jan 25

BOI4:10 pmBoise Air Term. Gowen Fld

33h 20m

2 stops

MAD9:30 amMadrid Barajas

$1,004

American Airlines flights from Spain to Idaho

Our best American Airlines deals on Spain to Idaho flight tickets

American Airlines

Nov 18

MAD1:30 pmMadrid Barajas

29h 58m

1 stop

BOI11:28 amBoise Air Term. Gowen Fld

Nov 22

BOI2:42 pmBoise Air Term. Gowen Fld

33h 23m

1 stop

MAD8:05 amMadrid Barajas

$1,093

American Airlines

Nov 19

MAD1:00 pmMadrid Barajas

18h 49m

1 stop

BOI11:49 pmBoise Air Term. Gowen Fld

Nov 23

BOI12:18 pmBoise Air Term. Gowen Fld

35h 47m

1 stop

MAD8:05 amMadrid Barajas

$1,097

American Airlines

Jan 21

AGP9:10 amMalaga

35h 34m

2 stops

BOI12:44 pmBoise Air Term. Gowen Fld

Jan 25

BOI1:35 pmBoise Air Term. Gowen Fld

37h 50m

2 stops

AGP11:25 amMalaga

$1,205

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

MadridBoise

MAD Madrid Barajas - BOI Boise Air Term. Gowen Fld

MADBOI

Madrid Barajas

Thu 11/19

7:00 am-10:20 pm

2 stops23h 20m

Boise Air Term. Gowen Fld

Mon 11/23

2:00 pm-9:45 pm

2 stops23h 45m

$838

MadridBoise

MAD Madrid Barajas - BOI Boise Air Term. Gowen Fld

MADBOI

Madrid Barajas

Thu 1/21

6:05 am-6:09 pm

2 stops20h 04m

Boise Air Term. Gowen Fld

Mon 1/25

4:10 pm-9:30 am

2 stops33h 20m

$1,001

MadridBoise

MAD Madrid Barajas - BOI Boise Air Term. Gowen Fld

MADBOI

Madrid Barajas

Thu 1/21

6:05 am-6:09 pm

2 stops20h 04m

Boise Air Term. Gowen Fld

Mon 1/25

4:10 pm-9:30 am

2 stops33h 20m

$1,003

MadridBoise

MAD Madrid Barajas - BOI Boise Air Term. Gowen Fld

MADBOI

Madrid Barajas

Thu 1/21

6:05 am-6:09 pm

2 stops20h 04m

Boise Air Term. Gowen Fld

Mon 1/25

4:10 pm-9:30 am

2 stops33h 20m

$1,004

MálagaBoise

AGP Malaga - BOI Boise Air Term. Gowen Fld

AGPBOI

Malaga

Mon 1/11

6:05 am-11:49 pm

2 stops25h 44m

Boise Air Term. Gowen Fld

Mon 1/25

5:30 am-12:00 pm

2 stops22h 30m

$1,026

MadridBoise

MAD Madrid Barajas - BOI Boise Air Term. Gowen Fld

MADBOI

Madrid Barajas

Wed 12/2

1:25 pm-4:50 pm

2 stops35h 25m

Boise Air Term. Gowen Fld

Wed 12/9

2:48 pm-7:45 am

2 stops32h 57m

$1,071

MadridBoise

MAD Madrid Barajas - BOI Boise Air Term. Gowen Fld

MADBOI

Madrid Barajas

Wed 11/18

1:25 pm-4:42 pm

2 stops35h 17m

Boise Air Term. Gowen Fld

Sun 11/22

5:44 pm-8:00 am

2 stops30h 16m

$1,072

MadridBoise

MAD Madrid Barajas - BOI Boise Air Term. Gowen Fld

MADBOI

Madrid Barajas

Thu 11/19

12:20 pm-9:59 pm

1 stop17h 39m

Boise Air Term. Gowen Fld

Mon 11/23

10:37 am-7:20 am

2 stops36h 43m

$1,086

MadridBoise

MAD Madrid Barajas - BOI Boise Air Term. Gowen Fld

MADBOI

Madrid Barajas

Wed 11/18

6:05 am-11:59 pm

2 stops25h 54m

Boise Air Term. Gowen Fld

Sun 11/22

11:10 pm-9:45 am

1 stop26h 35m

$1,088

MadridBoise

MAD Madrid Barajas - BOI Boise Air Term. Gowen Fld

MADBOI

Madrid Barajas

Wed 11/18

1:30 pm-10:42 pm

1 stop17h 12m

Boise Air Term. Gowen Fld

Sun 11/22

2:42 pm-8:50 am

2 stops34h 08m

$1,093

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 55% 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

Best Price Found	$685
Fastest flight time	17h 15m
Direct flights	None

The best one-way flight to Idaho from Spain in the past 72 hours is $685. The best round-trip flight deal from Spain to Idaho found on momondo in the last 72 hours is $838.

The fastest flight from Spain to Idaho takes 17h 15m

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.