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$437+ Cheap flights from Spain to Idaho

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — BOI
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Spain to Idaho

Keep the following information in mind while searching for Spain to Idaho flight deals. Data was last updated April 2, 2025.

Round-trip from

$776
(Delta)

One-way from

$437
(Kiwi.com)
From Spain to Idaho
Search Deals
One-way flight from Spain to Idaho
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Find flight deals from Spain to Idaho

Cheapest flights from Spain to Idaho
Explore the most affordable flight options available from Spain to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:00 amMAD - JAC
2 stops23h 30mDelta
Sat 10/47:30 amJAC - MAD
2 stops24h 05mDelta
Deal found 4/1$776
This Finnair deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2412:20 pmBCN - BOI
1 stop17h 51mFinnair
Mon 4/287:05 amBOI - BCN
1 stop19h 05mFinnair
Deal found 4/1$806
This Finnair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/134:00 pmMAD - GEG
1 stop28h 40mMultiple Airlines
Mon 9/296:07 amGEG - MAD
1 stop23h 13mMultiple Airlines
Deal found 4/2$809
This American Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:25 amMAD - GEG
2 stops19h 08mAmerican Airlines
Mon 9/2912:20 pmGEG - MAD
1 stop35h 45mAmerican Airlines
Deal found 4/2$820
This Condor deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/248:00 amBCN - BOI
2 stops22h 39mMultiple Airlines
Mon 4/282:41 pmBOI - BCN
2 stops17h 34mMultiple Airlines
Deal found 4/1$827
This Iberia deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2412:20 pmBCN - BOI
1 stop17h 51mIberia
Mon 4/281:23 pmBOI - BCN
2 stops23h 12mIberia
Deal found 4/1$838
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1312:40 pmMAD - JAC
1 stop16h 13mAmerican Airlines
Sat 10/43:29 pmJAC - MAD
2 stops16h 51mAmerican Airlines
Deal found 4/1$844
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:15 pmBCN - BOI
2 stops41h 24mUnited Airlines
Fri 6/132:31 pmBOI - BCN
2 stops34h 49mUnited Airlines
Deal found 3/31$856
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/123:15 pmBCN - WYS
2 stops29h 57mUnited Airlines
Sat 5/2410:30 amWYS - BCN
2 stops37h 20mUnited Airlines
Deal found 4/1$861
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:00 amMAD - JAC
2 stops21h 02mUnited Airlines
Thu 6/125:48 pmJAC - MAD
2 stops52h 52mUnited Airlines
Deal found 4/1$881
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:20 amBCN - BOI
2 stops25h 49mDelta
Fri 6/1311:35 pmBOI - BCN
1 stop25h 45mDelta
Deal found 3/31$885
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:05 amMAD - GEG
2 stops19h 04mUnited Airlines
Mon 12/811:40 amGEG - MAD
2 stops36h 35mUnited Airlines
Deal found 4/1$890

Cheapflights Fare Finder

Customize your flight search to find flights from Spain to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
Use the filters below to find and compare flights from Spain to Idaho that are best for you.

Fly from

Spain

Fly to

Idaho

Route

Depart

Return

Price

MadridJackson

MAD - JAC

MADJAC

Madrid Barajas

Fri 6/13

6:00 am-9:30 pm

2 stops23h 30m

Jackson Hole

Sat 10/4

7:30 am-3:35 pm

2 stops24h 05m

$776

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 4/24

12:20 pm-10:11 pm

1 stop17h 51m

Boise Air Term. Gowen Fld

Mon 4/28

7:05 am-10:10 am

1 stop19h 05m

$806

MadridSpokane

MAD - GEG

MADGEG

Madrid Barajas

Sat 9/13

4:00 pm-11:40 am

1 stop28h 40m

Spokane

Mon 9/29

6:07 am-2:20 pm

1 stop23h 13m

$809

MadridSpokane

MAD - GEG

MADGEG

Madrid Barajas

Sat 9/13

10:25 am-8:33 pm

2 stops19h 08m

Spokane

Mon 9/29

12:20 pm-9:05 am

1 stop35h 45m

$820

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 4/24

8:00 am-10:39 pm

2 stops22h 39m

Boise Air Term. Gowen Fld

Mon 4/28

2:41 pm-4:15 pm

2 stops17h 34m

$827

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 4/24

12:20 pm-10:11 pm

1 stop17h 51m

Boise Air Term. Gowen Fld

Mon 4/28

1:23 pm-8:35 pm

2 stops23h 12m

$838

MadridJackson

MAD - JAC

MADJAC

Madrid Barajas

Fri 6/13

12:40 pm-8:53 pm

1 stop16h 13m

Jackson Hole

Sat 10/4

3:29 pm-4:20 pm

2 stops16h 51m

$844

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Tue 5/6

12:15 pm-9:39 pm

2 stops41h 24m

Boise Air Term. Gowen Fld

Fri 6/13

2:31 pm-9:20 am

2 stops34h 49m

$856

BarcelonaWest Yellowstone

BCN - WYS

BCNWYS

Barcelona-El Prat

Mon 5/12

3:15 pm-1:12 pm

2 stops29h 57m

West Yellowstone

Sat 5/24

10:30 am-7:50 am

2 stops37h 20m

$861

MadridJackson

MAD - JAC

MADJAC

Madrid Barajas

Fri 5/30

6:00 am-7:02 pm

2 stops21h 02m

Jackson Hole

Thu 6/12

5:48 pm-6:40 am

2 stops52h 52m

$881

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 44 results
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Best time to book a flight from Spain to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Spain 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 Spain to Idaho

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

Find hourly flight availability from Spain to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

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

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July 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 December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated April 2, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Spain to Idaho have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
636 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $705. Users have also found prices from $838 and $848 on Delta and KLM, respectively.

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

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

  • How can I find direct flights from Spain to Idaho?

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

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

    Yes. Cheapflights offers flight deals from Spain to Idaho 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 Spain to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Spain to Idaho (average of $314). Flying from Spain to Idaho in June is currently the most expensive (average of $419). 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

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Alternative routes for Spain to Idaho

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