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$602+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — BOI
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Round-trip from

$699
(United Airlines)

One-way from

$602
(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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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 3/712:40 pmMAD - GEG
2 stops37h 50mUnited Airlines
Tue 3/115:00 amGEG - MAD
2 stops20h 35mUnited Airlines
Deal found 2/20$699
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/711:35 amBIO - BOI
2 stops30h 27mUnited Airlines
Tue 3/117:07 pmBOI - BIO
2 stops19h 43mUnited Airlines
Deal found 2/20$704
This Lufthansa deal was found by Cheapflights users on 2/18. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:25 amMAD - BOI
2 stops42h 43mLufthansa
Mon 3/102:30 pmBOI - MAD
2 stops26h 05mLufthansa
Deal found 2/18$706
This Air Canada deal was found by Cheapflights users on 2/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/712:40 pmMAD - GEG
3 stops33h 03mMultiple Airlines
Tue 3/115:00 amGEG - MAD
2 stops20h 35mMultiple Airlines
Deal found 2/20$709
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/71:00 pmMAD - GEG
1 stop17h 23mAmerican Airlines
Tue 3/115:34 amGEG - MAD
1 stop19h 51mAmerican Airlines
Deal found 2/20$715
This Delta deal was found by Cheapflights users on 2/20. 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 3/76:50 amBIO - BOI
2 stops24h 54mDelta
Tue 3/119:15 amBOI - BIO
2 stops19h 15mDelta
Deal found 2/20$717
This Delta deal was found by Cheapflights users on 2/20. 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 3/710:15 amBCN - GEG
2 stops33h 30mDelta
Tue 3/117:27 amGEG - BCN
2 stops22h 33mDelta
Deal found 2/20$727
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/78:00 amBCN - GEG
2 stops37h 38mUnited Airlines
Mon 4/146:15 amGEG - BCN
2 stops30h 25mUnited Airlines
Deal found 2/20$750
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/295:00 pmMAD - JAC
2 stops30h 37mKLM
Sat 4/121:25 pmJAC - MAD
2 stops19h 00mKLM
Deal found 2/20$760
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 4/610:20 amBCN - IDA
2 stops55h 12mUnited Airlines
Sun 4/134:15 pmIDA - BCN
2 stops43h 30mUnited Airlines
Deal found 2/20$769
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/75:20 pmBIO - BOI
2 stops35h 09mMultiple Airlines
Tue 3/118:15 amBOI - BIO
3 stops31h 05mMultiple Airlines
Deal found 2/20$777
This Delta deal was found by Cheapflights users on 2/20. 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 3/286:00 amMAD - JAC
2 stops20h 06mDelta
Fri 4/117:05 amJAC - MAD
2 stops28h 25mDelta
Deal found 2/20$801

Find flights from Spain to Idaho within your budget

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 February 20, 2025.

Fly from

Spain

Fly to

Idaho

Route

Depart

Return

Price

MadridSpokane

MAD - GEG

MADGEG

Madrid Barajas

Fri 3/7

12:40 pm-5:30 pm

2 stops37h 50m

Spokane

Tue 3/11

5:00 am-9:35 am

2 stops20h 35m

$699

BilbaoBoise

BIO - BOI

BIOBOI

Bilbao

Fri 3/7

11:35 am-10:02 am

2 stops30h 27m

Boise Air Term. Gowen Fld

Tue 3/11

7:07 pm-9:50 pm

2 stops19h 43m

$704

MadridBoise

MAD - BOI

MADBOI

Madrid Barajas

Thu 3/6

7:25 am-6:08 pm

2 stops42h 43m

Boise Air Term. Gowen Fld

Mon 3/10

2:30 pm-11:35 pm

2 stops26h 05m

$706

MadridSpokane

MAD - GEG

MADGEG

Madrid Barajas

Fri 3/7

12:40 pm-12:43 pm

3 stops33h 03m

Spokane

Tue 3/11

5:00 am-9:35 am

2 stops20h 35m

$709

MadridSpokane

MAD - GEG

MADGEG

Madrid Barajas

Fri 3/7

1:00 pm-9:23 pm

1 stop17h 23m

Spokane

Tue 3/11

5:34 am-9:25 am

1 stop19h 51m

$715

BilbaoBoise

BIO - BOI

BIOBOI

Bilbao

Fri 3/7

6:50 am-11:44 pm

2 stops24h 54m

Boise Air Term. Gowen Fld

Tue 3/11

9:15 am-11:30 am

2 stops19h 15m

$717

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Fri 3/7

10:15 am-10:45 am

2 stops33h 30m

Spokane

Tue 3/11

7:27 am-2:00 pm

2 stops22h 33m

$727

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Mon 4/7

8:00 am-12:38 pm

2 stops37h 38m

Spokane

Mon 4/14

6:15 am-9:40 pm

2 stops30h 25m

$750

MadridJackson

MAD - JAC

MADJAC

Madrid Barajas

Sat 3/29

5:00 pm-4:37 pm

2 stops30h 37m

Jackson Hole

Sat 4/12

1:25 pm-4:25 pm

2 stops19h 00m

$760

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Sun 4/6

10:20 am-9:32 am

2 stops55h 12m

Idaho Falls Fanning Field

Sun 4/13

4:15 pm-7:45 pm

2 stops43h 30m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 32 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.

Travel insights for flights from Spain to Idaho

Get recent, data-driven insights about flights from Spain to Idaho including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 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
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
7.5
Good
654 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

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 Delta. According to our data, you can fly for as low as $778. Users have also found prices from $942 and $975 on Lufthansa and American Airlines, 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 $436). 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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