How long is the flight from Idaho to Spain?

A quick flight from Idaho to Spain can take about 17h 35m. United Airlines provides one of the quickest options available for as low as $473. There are 5275 mi between Idaho and Spain. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What is the cheapest time of day to fly from ID to ES?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Spain as you normally would.

Can I find deals for flights from Idaho to Spain that include hotel bookings?

Yes. In addition to deals on Idaho to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Idaho to Spain?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Spain.

Can I find deals for business class flights from Idaho to Spain?

Yes. Cheapflights offers flight deals from Idaho to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$260+ Flights from Idaho to Spain

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Cheap flight deals from Idaho to Spain

Cheapest flights from Idaho to Spain
Explore the most affordable flight options available from Idaho to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Sun 12/287:00 amBOI - BCN

2 stops27h 10mIberia

Tue 12/309:15 pmBCN - BOI

2 stops32h 47mIberia

Deal found 12/26

$1,598

Sun 12/2812:38 pmBOI - BCN

2 stops21h 07mMultiple Airlines

Tue 12/302:00 pmBCN - BOI

1 stop31h 28mMultiple Airlines

Deal found 12/26

$2,400

Sun 12/286:15 amBOI - BCN

3 stops20h 30mAir Canada

Tue 12/301:35 pmBCN - BOI

3 stops31h 07mAir Canada

Deal found 12/26

$4,128

Tue 12/307:15 amBOI - MAD

2 stops25h 35mMultiple Airlines

Sun 1/48:35 pmMAD - BOI

2 stops33h 30mMultiple Airlines

Deal found 12/27

$9,297

Tue 12/307:00 amBOI - MAD

1 stop15h 15mIberia

Sun 1/41:00 pmMAD - BOI

2 stops31h 37mIberia

Deal found 12/27

$9,448

Tue 12/307:00 amBOI - MAD

1 stop18h 25mFinnair

Sun 1/412:40 pmMAD - BOI

1 stop17h 25mFinnair

Deal found 12/27

$10,105

Sun 12/283:45 pmBOI - MAD

2 stops19h 25mBritish Airways

Sat 1/39:05 amMAD - BOI

2 stops20h 05mBritish Airways

Deal found 12/27

$15,122

Sun 12/283:45 pmBOI - MAD

2 stops18h 40mMultiple Airlines

Sat 1/312:40 pmMAD - BOI

1 stop17h 22mMultiple Airlines

Deal found 12/27

$15,308

Sun 12/287:00 amBOI - MAD

1 stop18h 25mFinnair

Sat 1/312:40 pmMAD - BOI

1 stop17h 22mFinnair

Deal found 12/27

$16,150

Best flights from Idaho to Spain
Discover carefully curated flight deals from Idaho to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Tue 2/101:48 pmGEG - BCN

2 stops34h 47mUnited Airlines

Tue 2/171:35 pmBCN - GEG

2 stops37h 41mUnited Airlines

Deal found 12/27

$468

Wed 3/46:25 amBOI - MAD

2 stops17h 35mAir Canada

Mon 3/912:40 pmMAD - BOI

2 stops41h 16mAir Canada

Deal found 12/26

$473

Mon 2/26:53 amGEG - BCN

2 stops25h 42mLufthansa

Sun 2/85:50 amBCN - GEG

2 stops22h 26mLufthansa

Deal found 12/26

$476

Mon 1/261:47 pmBOI - AGP

2 stops25h 53mMultiple Airlines

Mon 2/28:25 pmAGP - BOI

2 stops27h 52mMultiple Airlines

Deal found 12/26

$478

Sat 1/243:21 pmBOI - BCN

2 stops16h 44mAmerican Airlines

Sat 1/3110:40 amBCN - BOI

1 stop16h 45mAmerican Airlines

Deal found 12/27

$481

Thu 2/197:00 amBOI - BCN

2 stops20h 25mIberia

Wed 2/2510:40 amBCN - BOI

1 stop19h 56mIberia

Deal found 12/26

$481

Fri 2/207:00 amBOI - BCN

1 stop17h 50mFinnair

Fri 2/2710:40 amBCN - BOI

1 stop19h 56mFinnair

Deal found 12/26

$484

Fri 2/205:50 amBOI - BCN

2 stops18h 10mDelta

Fri 2/2710:15 amBCN - BOI

2 stops31h 35mDelta

Deal found 12/26

$489

Tue 4/1412:36 pmGEG - MAD

1 stop14h 39mKLM

Tue 4/2812:40 pmMAD - GEG

1 stop17h 51mKLM

Deal found 12/26

$489

Wed 1/283:43 pmBOI - AGP

2 stops35h 12mBritish Airways

Sun 2/16:45 pmAGP - BOI

2 stops55h 37mBritish Airways

Deal found 12/25

$842

Fri 2/2011:54 amBOI - BCN

2 stops15h 41mMultiple Airlines

Fri 2/2710:40 amBCN - BOI

1 stop19h 56mMultiple Airlines

Deal found 12/26

$481

Sun 1/253:51 pmJAC - BCN

2 stops20h 14mAmerican Airlines

Sun 2/112:30 pmBCN - JAC

2 stops32h 32mAmerican Airlines

Deal found 12/27

$485

Tue 2/1010:28 amBOI - MAD

2 stops37h 32mAir Canada

Tue 2/171:35 pmMAD - BOI

2 stops39h 57mAir Canada

Deal found 12/26

$486

Mon 3/911:30 pmBOI - BCN

2 stops24h 30mDelta

Mon 3/169:15 amBCN - BOI

2 stops31h 40mDelta

Deal found 12/26

$489

Fri 1/236:10 amBOI - MAD

2 stops19h 05mUnited Airlines

Tue 1/2711:15 amMAD - BOI

2 stops19h 42mUnited Airlines

Deal found 12/26

$493

Mon 2/26:00 amGEG - BCN

1 stop17h 50mMultiple Airlines

Sun 2/810:40 amBCN - GEG

1 stop17h 09mMultiple Airlines

Deal found 12/25

$484

Tue 4/146:20 amGEG - MAD

2 stops20h 55mDelta

Tue 4/2812:40 pmMAD - GEG

2 stops20h 27mDelta

Deal found 12/26

$493

Fri 1/237:00 amJAC - MAD

2 stops18h 15mUnited Airlines

Tue 1/276:00 amMAD - JAC

2 stops40h 26mUnited Airlines

Deal found 12/26

$494

Fri 1/232:10 pmJAC - MAD

2 stops21h 00mMultiple Airlines

Mon 1/2612:55 amMAD - JAC

1 stop20h 07mMultiple Airlines

Deal found 12/26

$485

Fri 2/65:00 amGEG - MAD

2 stops19h 15mUnited Airlines

Tue 2/106:00 amMAD - GEG

2 stops39h 46mUnited Airlines

Deal found 12/25

$494

Wed 4/296:05 amGEG - IBZ

2 stops23h 15mKLM

Tue 5/59:10 amIBZ - GEG

2 stops22h 45mKLM

Deal found 12/26

$638

Mon 2/95:20 amBOI - AGP

2 stops23h 00mMultiple Airlines

Mon 2/168:25 pmAGP - BOI

2 stops29h 57mMultiple Airlines

Deal found 12/26

$487

Wed 4/2210:40 pmGEG - MAD

2 stops24h 10mDelta

Wed 4/2912:40 pmMAD - GEG

1 stop17h 51mDelta

Deal found 12/27

$543

Tue 2/177:00 amGEG - MAD

2 stops17h 15mUnited Airlines

Tue 2/246:00 amMAD - GEG

2 stops38h 45mUnited Airlines

Deal found 12/26

$494

Sun 1/253:51 pmJAC - BCN

1 stop32h 59mFinnair

Sun 2/110:40 amBCN - JAC

1 stop34h 22mFinnair

Deal found 12/27

$676

Tue 2/107:20 amBOI - MAD

1 stop18h 05mMultiple Airlines

Tue 2/1712:40 pmMAD - BOI

1 stop17h 56mMultiple Airlines

Deal found 12/26

$489

Wed 2/255:00 amGEG - BCN

2 stops26h 20mUnited Airlines

Sun 3/15:30 pmBCN - GEG

1 stop27h 15mUnited Airlines

Deal found 12/26

$505

Thu 4/309:22 amGEG - IBZ

2 stops20h 38mKLM

Tue 5/59:10 amIBZ - GEG

2 stops20h 54mKLM

Deal found 12/26

$688

Sat 2/147:00 amBOI - MAD

1 stop18h 25mMultiple Airlines

Sat 2/2112:40 pmMAD - BOI

1 stop17h 56mMultiple Airlines

Deal found 12/26

$489

Mon 2/97:20 amBOI - AGP

3 stops20h 30mAmerican Airlines

Mon 2/165:35 pmAGP - BOI

2 stops27h 11mAmerican Airlines

Deal found 12/26

$788

Last-minute flights from Idaho to Spain
Discover last-minute flight deals from Idaho to Spain. Data last updated December 28, 2025 and is based on user searches.

Tue 1/206:53 amGEG - BCN

2 stops31h 12mLufthansa

Fri 1/306:50 amBCN - GEG

2 stops21h 26mLufthansa

Deal found 12/27

$659

Thu 1/225:00 amGEG - BCN

2 stops19h 00mUnited Airlines

Mon 1/2611:00 amBCN - GEG

2 stops32h 44mUnited Airlines

Deal found 12/25

$489

Fri 1/232:10 pmJAC - MAD

2 stops21h 00mMultiple Airlines

Mon 1/2612:55 amMAD - JAC

1 stop20h 07mMultiple Airlines

Deal found 12/26

$485

Fri 1/236:10 amBOI - MAD

2 stops19h 05mUnited Airlines

Tue 1/2711:15 amMAD - BOI

2 stops19h 42mUnited Airlines

Deal found 12/26

$493

Fri 1/237:00 amJAC - MAD

2 stops18h 15mUnited Airlines

Tue 1/276:00 amMAD - JAC

2 stops40h 26mUnited Airlines

Deal found 12/26

$494

Sat 1/247:20 amBOI - BCN

1 stop17h 30mFinnair

Sat 1/3110:40 amBCN - BOI

1 stop16h 45mFinnair

Deal found 12/27

$474

Sat 1/2412:19 pmBOI - BCN

2 stops18h 26mLufthansa

Sat 1/317:40 amBCN - BOI

2 stops19h 33mLufthansa

Deal found 12/27

$478

Sat 1/243:21 pmBOI - BCN

2 stops16h 44mAmerican Airlines

Sat 1/3110:40 amBCN - BOI

1 stop16h 45mAmerican Airlines

Deal found 12/27

$481

Sun 1/256:53 amGEG - BCN

2 stops25h 42mLufthansa

Sun 2/16:50 amBCN - GEG

2 stops21h 26mLufthansa

Deal found 12/27

$476

Sun 1/253:51 pmJAC - BCN

2 stops20h 14mAmerican Airlines

Sun 2/112:30 pmBCN - JAC

2 stops32h 32mAmerican Airlines

Deal found 12/27

$485

Sun 1/253:51 pmJAC - BCN

1 stop32h 59mFinnair

Sun 2/110:40 amBCN - JAC

1 stop34h 22mFinnair

Deal found 12/27

$676

Mon 1/261:47 pmBOI - AGP

2 stops25h 53mMultiple Airlines

Mon 2/28:25 pmAGP - BOI

2 stops27h 52mMultiple Airlines

Deal found 12/26

$478

One-way flights from Idaho to Spain
Search for one-way flight options from Idaho to Spain. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Mon 4/202:10 pmBOI - MAD

1 stop14h 05mKLM

Deal found 12/27

$260

Sun 4/267:10 amGEG - BCN

1 stop21h 05mUnited Airlines

Deal found 12/26

$399

Fri 5/151:10 pmJAC - MAD

2 stops19h 35mAir France

Deal found 12/28

$408

Mon 4/202:22 pmBOI - MAD

3 stops23h 48mMultiple Airlines

Deal found 12/27

$411

Sun 4/262:03 pmGEG - BCN

2 stops19h 12mAmerican Airlines

Deal found 12/27

$416

Sun 4/2612:36 pmGEG - BCN

1 stop15h 14mKLM

Deal found 12/27

$419

Mon 3/161:48 pmBOI - VLC

2 stops26h 12mAir France

Deal found 12/27

$425

Thu 1/810:28 amBOI - BCN

3 stops46h 07mMultiple Airlines

Deal found 12/26

$448

Sun 1/1111:35 amBOI - BCN

3 stops38h 20mMultiple Airlines

Deal found 12/26

$463

Sun 3/157:00 amBOI - MAD

1 stop19h 25mIberia

Deal found 12/28

$474

Mon 1/121:55 pmBOI - BCN

3 stops44h 45mMultiple Airlines

Deal found 12/26

$486

Sun 3/1510:35 amBOI - MAD

2 stops24h 05mDelta

Deal found 12/26

$488

Find flight deals from Idaho to Spain

Round-trip from	$468 (United Airlines)
One-way from	$260 (KLM)
Popular in	June
Cheapest in	February
Average price	$1,269

From Idaho to Spain

Search Deals

One-way flight from Idaho to Spain

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($248 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Tue 2/10

1:48 pm-9:35 am

2 stops34h 47m

Barcelona-El Prat

Tue 2/17

1:35 pm-6:16 pm

2 stops37h 41m

$468

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Wed 3/4

6:25 am-8:00 am

2 stops17h 35m

Madrid Barajas

Mon 3/9

12:40 pm-10:56 pm

2 stops41h 16m

$473

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Mon 2/2

6:53 am-5:35 pm

2 stops25h 42m

Barcelona-El Prat

Sun 2/8

5:50 am-7:16 pm

2 stops22h 26m

$476

BoiseMálaga

BOI - AGP

BOIAGP

Boise Air Term. Gowen Fld

Mon 1/26

1:47 pm-11:40 pm

2 stops25h 53m

Malaga

Mon 2/2

8:25 pm-4:17 pm

2 stops27h 52m

$478

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sat 1/24

3:21 pm-4:05 pm

2 stops16h 44m

Barcelona-El Prat

Sat 1/31

10:40 am-7:25 pm

1 stop16h 45m

$481

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 2/19

7:00 am-11:25 am

2 stops20h 25m

Barcelona-El Prat

Wed 2/25

10:40 am-10:36 pm

1 stop19h 56m

$481

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

11:54 am-11:35 am

2 stops15h 41m

Barcelona-El Prat

Fri 2/27

10:40 am-10:36 pm

1 stop19h 56m

$481

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Fri 2/27

10:40 am-10:36 pm

1 stop19h 56m

$484

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Mon 2/2

6:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Sun 2/8

10:40 am-6:49 pm

1 stop17h 09m

$484

JacksonBarcelona

JAC - BCN

JACBCN

Jackson Hole

Sun 1/25

3:51 pm-8:05 pm

2 stops20h 14m

Barcelona-El Prat

Sun 2/1

12:30 pm-1:02 pm

2 stops32h 32m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 56 results

...

Best time to book a flight from Idaho to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Idaho with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Spain

What is the cheapest month to book a flight from Idaho to Spain?

Currently, March is the cheapest month in which you can book a flight from Idaho to Spain (average of $480). Flying from Idaho to Spain in April is currently the most expensive (average of $790). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

How long is the flight from Idaho to Spain?
A quick flight from Idaho to Spain can take about 17h 35m. United Airlines provides one of the quickest options available for as low as $473. There are 5275 mi between Idaho and Spain. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Idaho to Spain that include hotel bookings?
Yes. In addition to deals on Idaho to Spain flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho to Spain?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Spain.
Can I find deals for business class flights from Idaho to Spain?
Yes. Cheapflights offers flight deals from Idaho to Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Idaho to Spain?
Currently, March is the cheapest month in which you can book a flight from Idaho to Spain (average of $480). Flying from Idaho to Spain in April is currently the most expensive (average of $790). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Idaho to Spain

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$493	Average$760	FlexibilityNo cancel fee	On-time69%
Iberia	Cheapest$505	Average$717	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$602	Average$917	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$617	Average$990	FlexibilityNo cancel fee	On-timeN/A
Finnair	Cheapest$637	Average$972	FlexibilityNo cancel fee	On-time76%
Air Canada	Cheapest$651	Average$865	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$1,145	Average$1,317	FlexibilityNo cancel fee	On-time75%

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$260+ Cheap flights from Idaho to Spain

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho to Spain with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Idaho to Spain

Cheapest flights from Idaho to SpainExplore the most affordable flight options available from Idaho to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Explore the most affordable flight options available from Idaho to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Find flight deals from Idaho to Spain

Keep the following information in mind while searching for Idaho to Spain flight deals. Data was last updated December 28, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho to Spain that are best for you.

Best time to book a flight from Idaho to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from Idaho with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Spain

What is the cheapest month to book a flight from Idaho to Spain?

Related info for your journey

Find useful and relevant information for your journey from Idaho to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Idaho to Spain?

Can I find deals for flights from Idaho to Spain that include hotel bookings?

How can I find direct flights from Idaho to Spain?

Can I find deals for business class flights from Idaho to Spain?

What is the cheapest month to book a flight from Idaho to Spain?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Spain

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Idaho to Spain

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Cheapest flights from Idaho to Spain
Explore the most affordable flight options available from Idaho to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.