How long is the flight from Idaho to Spain?

A quick flight from Idaho to Spain can take about 18h 25m. Air Canada provides one of the quickest options available for as low as $557. There are 5275 mi between Idaho and Spain. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines to fly from Idaho to Spain one-way?

For one-way options, check prices for KLM. According to our data, you can fly for as low as $469. Users have also found prices from $472 and $472 on Delta and Air France, respectively.

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).

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.

$317+ Cheap Flights from Idaho to Spain

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheap flight deals from Idaho to Spain

Round-trip from	$515 (lol.travel)
One-way from	$317 (Trip.com)
Popular in	June
Cheapest in	February
Average price	$1,009

From Idaho to Spain

Search Deals

One-way flight from Idaho to Spain

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($342 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($58 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find 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 September 16, 2025.

Mon 10/272:31 pmBOI - MAD

2 stops34h 34mUnited Airlines

Wed 11/128:30 amMAD - BOI

2 stops22h 58mUnited Airlines

Deal found 9/15

$515

Sun 10/127:00 amBOI - BCN

2 stops42h 20mAir Canada

Fri 10/241:15 pmBCN - BOI

2 stops41h 15mAir Canada

Deal found 9/14

$543

Mon 10/277:00 amBOI - MAD

1 stop19h 25mAmerican Airlines

Wed 11/121:00 pmMAD - BOI

2 stops31h 35mAmerican Airlines

Deal found 9/15

$550

Sat 12/62:20 pmBOI - MAD

3 stops33h 45mUnited Airlines

Thu 12/181:35 pmMAD - BOI

2 stops31h 04mUnited Airlines

Deal found 9/16

$554

Tue 12/27:11 pmBOI - MAD

2 stops28h 49mUnited Airlines

Fri 12/191:35 pmMAD - BOI

2 stops41h 24mUnited Airlines

Deal found 9/16

$555

Mon 10/277:00 pmBOI - MAD

2 stops30h 00mMultiple Airlines

Wed 11/121:35 pmMAD - BOI

3 stops30h 04mMultiple Airlines

Deal found 9/15

$556

Mon 11/246:15 amBOI - BCN

2 stops22h 55mUnited Airlines

Wed 12/310:30 amBCN - BOI

2 stops35h 09mUnited Airlines

Deal found 9/14

$557

Tue 11/187:00 amBOI - MAD

1 stop18h 25mFinnair

Tue 12/912:40 pmMAD - BOI

1 stop17h 45mFinnair

Deal found 9/15

$557

Mon 10/277:00 amBOI - MAD

1 stop19h 25mIberia

Wed 11/1212:40 pmMAD - BOI

1 stop17h 52mIberia

Deal found 9/15

$559

Tue 11/187:00 amBOI - MAD

2 stops17h 50mMultiple Airlines

Tue 12/912:40 pmMAD - BOI

1 stop17h 45mMultiple Airlines

Deal found 9/14

$562

Sat 12/61:56 pmBOI - MAD

1 stop35h 19mDelta

Wed 12/1710:00 amMAD - BOI

2 stops22h 10mDelta

Deal found 9/16

$568

Mon 11/248:17 amBOI - BCN

1 stop20h 53mUnited Airlines

Tue 12/26:45 amBCN - BOI

2 stops24h 59mUnited Airlines

Deal found 9/14

$570

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 September 16, 2025.

Sun 10/127:00 amBOI - BCN

2 stops42h 20mAir Canada

Fri 10/241:15 pmBCN - BOI

2 stops41h 15mAir Canada

Deal found 9/14

$543

Tue 11/187:00 amBOI - MAD

1 stop18h 25mIberia

Tue 12/912:40 pmMAD - BOI

1 stop17h 45mIberia

Deal found 9/14

$557

Tue 11/187:00 amBOI - MAD

1 stop18h 25mFinnair

Tue 12/912:40 pmMAD - BOI

1 stop17h 45mFinnair

Deal found 9/15

$557

Mon 12/17:45 pmBOI - MAD

2 stops28h 15mDelta

Tue 12/1611:15 amMAD - BOI

2 stops35h 58mDelta

Deal found 9/16

$562

Tue 11/187:00 amBOI - MAD

2 stops17h 50mMultiple Airlines

Tue 12/912:40 pmMAD - BOI

1 stop17h 45mMultiple Airlines

Deal found 9/13

$562

Wed 2/186:30 amGEG - MAD

2 stops16h 30mVirgin Atlantic

Thu 2/2610:00 amMAD - GEG

2 stops22h 44mVirgin Atlantic

Deal found 9/16

$562

Tue 2/171:45 pmGEG - MAD

2 stops33h 15mUnited Airlines

Tue 2/2411:15 amMAD - GEG

2 stops18h 54mUnited Airlines

Deal found 9/16

$567

Wed 11/121:11 pmJAC - MAD

2 stops19h 44mAmerican Airlines

Wed 11/1911:35 amMAD - JAC

2 stops32h 39mAmerican Airlines

Deal found 9/14

$577

Wed 10/87:15 amGEG - MAD

2 stops30h 10mLufthansa

Wed 10/156:00 amMAD - GEG

2 stops26h 15mLufthansa

Deal found 9/14

$579

Wed 10/1511:41 amBOI - AGP

2 stops16h 04mAir France

Wed 10/296:05 amAGP - BOI

2 stops23h 47mAir France

Deal found 9/14

$681

Thu 10/3012:51 pmGEG - TFS

2 stops22h 14mKLM

Thu 11/66:55 pmTFS - GEG

2 stops32h 51mKLM

Deal found 9/15

$861

Tue 11/185:55 amBOI - MAD

2 stops18h 05mDelta

Tue 12/910:00 amMAD - BOI

2 stops32h 15mDelta

Deal found 9/14

$562

Wed 2/185:49 amGEG - MAD

2 stops18h 01mMultiple Airlines

Wed 2/2512:55 amMAD - GEG

2 stops21h 02mMultiple Airlines

Deal found 9/16

$562

Mon 11/245:00 amBOI - BCN

2 stops20h 35mUnited Airlines

Tue 12/26:45 amBCN - BOI

2 stops24h 59mUnited Airlines

Deal found 9/14

$570

Tue 10/712:35 pmGEG - BCN

2 stops24h 05mLufthansa

Tue 10/214:00 pmBCN - GEG

1 stop16h 15mLufthansa

Deal found 9/16

$593

Tue 11/185:25 amGEG - MAD

1 stop15h 50mIberia

Sun 11/2312:40 pmMAD - GEG

1 stop19h 17mIberia

Deal found 9/16

$607

Mon 12/12:40 pmBOI - MAD

2 stops21h 35mUnited Airlines

Fri 12/191:35 pmMAD - BOI

2 stops41h 24mUnited Airlines

Deal found 9/16

$576

Sat 12/61:56 pmBOI - MAD

1 stop35h 19mDelta

Thu 12/1811:15 amMAD - BOI

1 stop19h 09mDelta

Deal found 9/16

$578

Wed 10/17:39 amJAC - MAD

2 stops16h 36mAmerican Airlines

Tue 10/711:35 amMAD - JAC

1 stop32h 54mAmerican Airlines

Deal found 9/16

$657

Tue 10/75:54 pmGEG - BCN

2 stops17h 31mMultiple Airlines

Tue 10/212:00 pmBCN - GEG

2 stops19h 27mMultiple Airlines

Deal found 9/16

$601

Wed 11/58:25 amBOI - BIO

2 stops30h 40mUnited Airlines

Fri 11/146:45 amBIO - BOI

3 stops38h 59mUnited Airlines

Deal found 9/14

$576

Wed 11/59:00 amBOI - MAD

2 stops22h 20mDelta

Tue 11/1111:15 amMAD - BOI

2 stops21h 20mDelta

Deal found 9/15

$581

Wed 3/45:49 amGEG - MAD

1 stop18h 36mMultiple Airlines

Wed 3/114:25 pmMAD - GEG

2 stops28h 27mMultiple Airlines

Deal found 9/15

$602

Thu 1/82:02 pmJAC - MAD

2 stops18h 53mAmerican Airlines

Fri 1/1612:55 amMAD - JAC

1 stop21h 22mAmerican Airlines

Deal found 9/13

$676

Wed 11/58:25 amBOI - BIO

2 stops30h 40mUnited Airlines

Thu 11/136:45 amBIO - BOI

2 stops19h 24mUnited Airlines

Deal found 9/14

$576

Tue 9/301:18 pmGEG - MAD

2 stops18h 27mDelta

Wed 10/1512:40 pmMAD - GEG

2 stops20h 19mDelta

Deal found 9/14

$581

Mon 10/65:40 amGEG - BCN

1 stop19h 30mIberia

Mon 10/139:10 pmBCN - GEG

2 stops30h 36mIberia

Deal found 9/14

$706

Fri 2/207:39 amBOI - BCN

1 stop17h 11mMultiple Airlines

Fri 2/2710:40 amBCN - BOI

1 stop18h 29mMultiple Airlines

Deal found 9/16

$603

Wed 11/198:25 amBOI - BCN

2 stops25h 10mUnited Airlines

Thu 11/273:05 pmBCN - BOI

1 stop28h 34mUnited Airlines

Deal found 9/14

$581

Thu 10/26:44 amIDA - BCN

1 stop19h 26mAmerican Airlines

Wed 10/87:40 amBCN - IDA

2 stops22h 08mAmerican Airlines

Deal found 9/15

$719

Last-minute flights from Idaho to Spain
Discover last-minute flight deals from Idaho to Spain. Data last updated September 16, 2025 and is based on user searches.

Tue 9/301:18 pmGEG - MAD

2 stops18h 27mDelta

Wed 10/1512:40 pmMAD - GEG

2 stops19h 21mDelta

Deal found 9/15

$581

Mon 10/611:12 amBOI - BCN

2 stops19h 38mDelta

Wed 10/159:55 amBCN - BOI

2 stops22h 13mDelta

Deal found 9/16

$599

Wed 10/87:15 amGEG - MAD

2 stops30h 10mLufthansa

Wed 10/156:00 amMAD - GEG

2 stops26h 15mLufthansa

Deal found 9/14

$579

Sun 10/127:00 amBOI - BCN

2 stops42h 20mAir Canada

Fri 10/241:15 pmBCN - BOI

2 stops41h 15mAir Canada

Deal found 9/14

$543

Mon 10/272:31 pmBOI - MAD

2 stops34h 34mUnited Airlines

Wed 11/128:30 amMAD - BOI

2 stops22h 58mUnited Airlines

Deal found 9/15

$515

Mon 10/277:00 amBOI - MAD

1 stop19h 25mAmerican Airlines

Wed 11/121:00 pmMAD - BOI

2 stops31h 35mAmerican Airlines

Deal found 9/15

$550

Mon 10/277:00 pmBOI - MAD

2 stops30h 00mMultiple Airlines

Wed 11/121:35 pmMAD - BOI

3 stops30h 04mMultiple Airlines

Deal found 9/15

$556

Mon 10/277:00 amBOI - MAD

1 stop19h 25mIberia

Wed 11/1212:40 pmMAD - BOI

1 stop17h 52mIberia

Deal found 9/15

$559

Wed 10/296:20 amBOI - BCN

2 stops19h 15mUnited Airlines

Wed 11/59:55 amBCN - BOI

2 stops40h 59mUnited Airlines

Deal found 9/14

$582

Wed 10/295:05 amGEG - MAD

2 stops17h 55mDelta

Wed 11/511:15 amMAD - GEG

2 stops33h 46mDelta

Deal found 9/14

$607

Thu 10/306:00 amGEG - BCN

2 stops42h 35mAir Canada

Thu 11/61:35 pmBCN - GEG

2 stops32h 10mAir Canada

Deal found 9/15

$594

Thu 10/307:00 amBOI - MAD

1 stop16h 15mIberia

Thu 11/612:40 pmMAD - BOI

1 stop17h 29mIberia

Deal found 9/15

$607

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 September 16, 2025.

Fri 10/247:00 amGEG - MAD

2 stops25h 05mMultiple Airlines

Deal found 9/16

$317

Sat 10/251:44 pmGEG - MAD

2 stops22h 36mMultiple Airlines

Deal found 9/15

$326

Thu 12/412:59 pmBOI - AGP

3 stops40h 41mMultiple Airlines

Deal found 9/16

$338

Wed 12/312:19 pmBOI - AGP

3 stops37h 41mMultiple Airlines

Deal found 9/16

$352

Fri 12/512:59 pmBOI - AGP

3 stops46h 46mMultiple Airlines

Deal found 9/16

$371

Wed 10/16:35 amBOI - MAD

3 stops30h 55mMultiple Airlines

Deal found 9/15

$376

Sat 12/68:55 amBOI - AGP

3 stops31h 30mMultiple Airlines

Deal found 9/16

$392

Tue 12/26:15 amBOI - AGP

3 stops43h 45mMultiple Airlines

Deal found 9/16

$394

Sat 10/2512:51 pmGEG - MAD

1 stop35h 14mKLM

Deal found 9/15

$469

Wed 10/11:00 pmBOI - MAD

2 stops18h 35mDelta

Deal found 9/15

$472

Tue 12/21:56 pmBOI - AGP

2 stops25h 44mAir France

Deal found 9/16

$472

Sat 12/65:58 pmBOI - AGP

2 stops38h 57mDelta

Deal found 9/16

$484

Fly from

Fly to

Route

Depart

Return

Price

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 10/12

7:00 am-9:20 am

2 stops42h 20m

Barcelona-El Prat

Fri 10/24

1:15 pm-10:30 pm

2 stops41h 15m

$543

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 11/18

7:00 am-9:25 am

1 stop18h 25m

Madrid Barajas

Tue 12/9

12:40 pm-10:25 pm

1 stop17h 45m

$557

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 11/18

7:00 am-9:25 am

1 stop18h 25m

Madrid Barajas

Tue 12/9

12:40 pm-10:25 pm

1 stop17h 45m

$557

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 12/1

7:45 pm-8:00 am

2 stops28h 15m

Madrid Barajas

Tue 12/16

11:15 am-3:13 pm

2 stops35h 58m

$562

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 11/18

7:00 am-8:50 am

2 stops17h 50m

Madrid Barajas

Tue 12/9

12:40 pm-10:25 pm

1 stop17h 45m

$562

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Wed 2/18

6:30 am-8:00 am

2 stops16h 30m

Madrid Barajas

Thu 2/26

10:00 am-11:44 pm

2 stops22h 44m

$562

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 11/18

5:55 am-8:00 am

2 stops18h 05m

Madrid Barajas

Tue 12/9

10:00 am-10:15 am

2 stops32h 15m

$562

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Wed 2/18

5:49 am-8:50 am

2 stops18h 01m

Madrid Barajas

Wed 2/25

12:55 am-12:57 pm

2 stops21h 02m

$562

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Tue 2/17

1:45 pm-8:00 am

2 stops33h 15m

Madrid Barajas

Tue 2/24

11:15 am-9:09 pm

2 stops18h 54m

$567

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 11/24

5:00 am-9:35 am

2 stops20h 35m

Barcelona-El Prat

Tue 12/2

6:45 am-11:44 pm

2 stops24h 59m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 51 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, November is the cheapest month in which you can book a flight from Idaho to Spain (average of $543). Flying from Idaho to Spain in June is currently the most expensive (average of $1,054). 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.

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.

Related info for your journey

How long is the flight from Idaho to Spain?
A quick flight from Idaho to Spain can take about 18h 25m. Air Canada provides one of the quickest options available for as low as $557. There are 5275 mi between Idaho and Spain. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from Idaho to Spain one-way?
For one-way options, check prices for KLM. According to our data, you can fly for as low as $469. Users have also found prices from $472 and $472 on Delta and Air France, respectively.
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, November is the cheapest month in which you can book a flight from Idaho to Spain (average of $543). Flying from Idaho to Spain in June is currently the most expensive (average of $1,054). 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 6 airlines flying from Idaho to Spain

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$570	Average$775	FlexibilityNo cancel fee	On-time69%
Iberia	Cheapest$586	Average$807	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$591	Average$966	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$617	Average$1,025	FlexibilityNo cancel fee	On-timeN/A
Finnair	Cheapest$637	Average$972	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$664	Average$1,317	FlexibilityNo cancel fee	On-time75%

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$317+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Idaho to Spain

Keep the following information in mind while searching for Idaho to Spain flight deals. Data was last updated September 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 September 16, 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 September 16, 2025.

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?

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

Find hourly flight availability from Idaho to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

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?

What are the cheapest airlines to fly from Idaho to Spain one-way?

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 6 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 September 16, 2025.