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$553+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Idaho to Spain

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) to Spain (ES0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Round-trip from

$701
(United)

One-way from

$553
(Condor)

Popular in

June

Cheapest in

November

Average price

$1,292
From Idaho to Spain
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One-way flight from Idaho to Spain
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Highest demand for flights based on searches. 26% potential increase in price ($363 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This United deal was found by Cheapflights users on 1/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1912:50 pmBOI - MAD
2 stops24h 15mUnited Airlines
Thu 4/311:15 amMAD - BOI
2 stops19h 48mUnited Airlines
Deal found 1/30$701
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 3/156:00 amGEG - MAD
2 stops43h 35mUnited Airlines
Sat 3/221:50 pmMAD - GEG
2 stops41h 54mUnited Airlines
Deal found 1/28$719
This Ovago deal was found by Cheapflights users on 1/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/307:15 amBOI - BCN
2 stops26h 55mScandinavian Airlines
Wed 4/167:00 pmBCN - BOI
2 stops35h 49mScandinavian Airlines
Deal found 1/29$767
This Finnair deal was found by Cheapflights users on 1/30. 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.
Wed 3/197:05 amBOI - MAD
2 stops20h 10mMultiple Airlines
Thu 4/312:40 pmMAD - BOI
1 stop17h 15mMultiple Airlines
Deal found 1/30$769
This Expedia deal was found by Cheapflights users on 1/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:00 pmGEG - BCN
2 stops32h 35mMultiple Airlines
Wed 10/157:00 pmBCN - GEG
2 stops36h 33mMultiple Airlines
Deal found 1/30$782
This Justfly.com deal was found by Cheapflights users on 1/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:40 amBOI - BCN
2 stops41h 10mAir Canada
Mon 11/1712:15 pmBCN - BOI
2 stops42h 51mAir Canada
Deal found 1/29$848
This United deal was found by Cheapflights users on 1/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/187:00 amBOI - BCN
2 stops19h 00mUnited Airlines
Tue 4/812:15 pmBCN - BOI
2 stops37h 37mUnited Airlines
Deal found 1/29$852
This Delta deal was found by Cheapflights users on 1/29. 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 3/215:59 pmBOI - BCN
2 stops30h 01mDelta
Thu 4/311:35 amBCN - BOI
1 stop33h 09mDelta
Deal found 1/29$858
This Orbitz deal was found by Cheapflights users on 1/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:00 amGEG - MAD
2 stops29h 55mMultiple Airlines
Tue 5/207:05 amMAD - GEG
2 stops24h 54mMultiple Airlines
Deal found 1/30$860
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 3/276:45 amIDA - BCN
2 stops18h 35mUnited Airlines
Thu 4/311:15 amBCN - IDA
2 stops17h 52mUnited Airlines
Deal found 1/30$861
This United deal was found by Cheapflights users on 1/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/217:00 amBOI - BCN
2 stops18h 20mMultiple Airlines
Thu 4/31:15 pmBCN - BOI
2 stops30h 55mMultiple Airlines
Deal found 1/29$864
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 3/2712:58 pmIDA - BCN
2 stops18h 47mAmerican Airlines
Thu 4/312:20 pmBCN - IDA
1 stop32h 09mAmerican Airlines
Deal found 1/30$872

Find flights from Idaho to Spain within your budget

Customize your flight search to find flights from Idaho to Spain 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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Wed 3/19

12:50 pm-8:05 pm

2 stops24h 15m

Madrid Barajas

Thu 4/3

11:15 am-11:03 pm

2 stops19h 48m

$701

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Sat 3/15

6:00 am-9:35 am

2 stops43h 35m

Madrid Barajas

Sat 3/22

1:50 pm-11:44 pm

2 stops41h 54m

$719

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 3/30

7:15 am-6:10 pm

2 stops26h 55m

Barcelona-El Prat

Wed 4/16

7:00 pm-10:49 pm

2 stops35h 49m

$768

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Wed 3/19

7:05 am-10:15 am

2 stops20h 10m

Madrid Barajas

Thu 4/3

12:40 pm-9:55 pm

1 stop17h 15m

$769

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 3/18

7:00 am-9:00 am

2 stops19h 00m

Barcelona-El Prat

Tue 4/8

12:15 pm-9:22 pm

2 stops41h 07m

$852

SpokaneMadrid

GEG - MAD

GEGMAD

Spokane

Mon 5/12

7:00 am-9:55 pm

2 stops29h 55m

Madrid Barajas

Tue 5/20

7:05 am-10:59 pm

2 stops24h 54m

$860

Idaho FallsBarcelona

IDA - BCN

IDABCN

Idaho Falls Fanning Field

Thu 3/27

6:45 am-8:20 am

2 stops18h 35m

Barcelona-El Prat

Thu 4/3

11:15 am-9:07 pm

2 stops17h 52m

$861

Idaho FallsBarcelona

IDA - BCN

IDABCN

Idaho Falls Fanning Field

Thu 3/27

12:58 pm-2:45 pm

2 stops18h 47m

Barcelona-El Prat

Thu 4/3

12:20 pm-12:29 pm

1 stop32h 09m

$872

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Tue 3/18

5:00 am-9:00 am

2 stops20h 00m

Barcelona-El Prat

Wed 3/26

11:00 am-11:44 pm

2 stops20h 44m

$875

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 3/18

5:15 pm-7:50 pm

2 stops19h 35m

Barcelona-El Prat

Tue 4/8

12:20 pm-10:12 pm

1 stop17h 52m

$903

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 49 results
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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.

Travel insights for flights from Idaho to Spain

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

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 $1,129). 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?

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 January 30, 2025.

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.

Rainfall in Spain by month

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

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.

Temperature in Spain by month

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

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).

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated January 30, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Idaho to Spain by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,450 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,906 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Scandinavian Airlines
7.3
Good
1,315 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $594. Users have also found prices from $668 and $809 on Finnair and Air Canada, 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 $1,129). 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 Idaho to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Idaho to Spain

Discover the top 6 airlines that operate flights from Idaho to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$530Average$1,169FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$556Average$1,074FlexibilityNo cancel feeOn-time71%
DeltaCheapest$564Average$1,192FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$564Average$1,109FlexibilityNo cancel feeOn-time77%
KLMCheapest$664Average$1,605FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$709Average$1,196FlexibilityNo cancel feeOn-time76%
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