$405+ Cheap flights from Boise (BOI) 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Boise to Spain with Cheapflights
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.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boise to Spain
Keep the following information in mind while searching for Boise to Spain flight deals. Data was last updated June 12, 2025.
Round-trip from | $519 (United Airlines) |
|---|---|
One-way from | $405 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,647 |
Find flight deals from Boise to Spain
Cheapest flights from Boise to SpainExplore the most affordable flight options available from Boise to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Boise to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
This Finnair deal was found by Cheapflights users on 6/10. 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.
This Air Canada deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This United deal was found by Cheapflights users on 6/12. 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.
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This Delta deal was found by Cheapflights users on 6/10. 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.
This Lufthansa deal was found by Cheapflights users on 6/11. 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.
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 June 12, 2025.
Use the filters below to find and compare flights from Boise to Spain that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 8/19
7:00 am-6:40 am
2 stops15h 40m
Madrid Barajas
Wed 8/27
12:45 pm-10:21 pm
2 stops41h 36m
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 8/19
7:00 am-9:05 am
1 stop18h 05m
Madrid Barajas
Wed 8/27
12:40 pm-9:43 pm
1 stop17h 03m
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 8/19
7:00 am-7:55 am
2 stops16h 55m
Madrid Barajas
Wed 8/27
12:40 pm-9:43 pm
1 stop17h 03m
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 8/19
1:36 pm-2:20 pm
1 stop16h 44m
Madrid Barajas
Mon 9/1
9:35 pm-9:43 pm
2 stops32h 08m
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Sun 11/16
5:00 am-8:05 am
2 stops19h 05m
Madrid Barajas
Wed 11/26
1:20 pm-10:55 pm
2 stops41h 35m
BoiseBarcelona
BOI - BCN
BOIBCN
Boise Air Term. Gowen Fld
Wed 10/1
2:44 pm-2:00 pm
1 stop15h 16m
Barcelona-El Prat
Tue 10/7
3:15 pm-9:53 am
2 stops26h 38m
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Wed 10/8
8:20 am-8:10 pm
2 stops27h 50m
Bilbao
Wed 10/29
12:45 pm-11:39 am
2 stops29h 54m
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Wed 11/5
12:35 pm-6:05 pm
2 stops21h 30m
Bilbao
Thu 11/13
6:30 am-9:21 pm
2 stops22h 51m
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Wed 11/5
6:15 am-6:05 pm
2 stops27h 50m
Bilbao
Fri 11/14
6:40 am-7:14 pm
2 stops20h 34m
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 8/19
6:00 am-7:50 am
2 stops17h 50m
Madrid Barajas
Mon 9/1
10:05 am-9:45 am
2 stops31h 40m
Best time to book a flight from Boise to Spain
Have a flexible travel schedule? Discover the best time to fly to Spain from Boise with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Boise to Spain
What is the cheapest month to book a flight from Boise to Spain?
Currently, November is the cheapest month in which you can book a flight from Boise to Spain (average of $543). Flying from Boise to Spain in June is currently the most expensive (average of $1,057). 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 BOI to ES?
Find hourly flight availability from Boise 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 June 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise 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 June 12, 2025.
Read through reviews of airlines operating flights from Boise to Spain, such as Delta, KLM and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Boise to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boise to Spain
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Boise to Spain
Discover the top 5 airlines that operate flights from Boise 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$530 | Average$800 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$556 | Average$1,020 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$564 | Average$897 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$568 | Average$1,176 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$664 | Average$1,317 | FlexibilityNo cancel fee | On-time75% |