$359+ Cheap flights from Boise (BOI) to Madrid, Spain (MAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Oct 30 — Nov 61
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Madrid 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 Madrid
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to MadridExplore the most affordable flight options available from Boise to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
Explore the most affordable flight options available from Boise to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
This United Airlines deal was found by Cheapflights users on 9/26. 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 11/112:31 pm -
2 stops36h 59m
Tue 11/171:25 pm -
2 stops41h 26m
Deal found 9/26![United Airlines logo]()
$735
This Priceline deal was found by Cheapflights users on 9/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am -
2 stops21h 15m
Mon 11/1612:55 am -
1 stop20h 56m
Deal found 9/27![Iberia logo]()
$747
This Iberia deal was found by Cheapflights users on 9/26. 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.
Sun 11/17:00 am -
1 stop17h 05m
Mon 11/1612:55 am -
1 stop20h 56m
Deal found 9/26![Multiple Airlines logo]()
$750
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Mon 11/25:00 am -
2 stops20h 30m
Tue 11/108:35 am -
2 stops22h 24m
Deal found 9/30![United Airlines logo]()
$754
This American Airlines deal was found by Cheapflights users on 9/26. 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.
Wed 11/187:00 am -
2 stops17h 50m
Wed 11/2512:55 am -
2 stops24h 05m
Deal found 9/26![American Airlines logo]()
$755
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:37 am -
2 stops20h 43m
Fri 12/189:20 am -
2 stops22h 32m
Deal found 9/28![Delta logo]()
$758
This Orbitz deal was found by Cheapflights users on 9/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:44 am -
1 stop17h 21m
Wed 12/29:00 pm -
2 stops33h 46m
Deal found 9/28![Iberia logo]()
$763
This lastminute.com deal was found by Cheapflights users on 9/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:13 pm -
2 stops35h 07m
Thu 11/199:20 am -
2 stops20h 39m
Deal found 9/28![Virgin Atlantic logo]()
$778
This United Airlines deal was found by Cheapflights users on 9/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:00 am -
2 stops19h 00m
Wed 12/21:20 pm -
2 stops40h 32m
Deal found 9/29![United Airlines logo]()
$785
This Flysmarter deal was found by Cheapflights users on 9/28. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am -
1 stop17h 05m
Wed 11/1812:55 am -
1 stop18h 33m
Deal found 9/28![Iberia logo]()
$789
This Iberia deal was found by Cheapflights users on 9/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am -
1 stop17h 05m
Wed 11/1812:55 am -
1 stop18h 33m
Deal found 9/28![Multiple Airlines logo]()
$800
Best flights from Boise to MadridDiscover carefully curated flight deals from Boise to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from Boise to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:37 am -
2 stops20h 43m
Fri 12/189:20 am -
2 stops22h 32m
Deal found 9/28![Delta logo]()
$758
This lastminute.com deal was found by Cheapflights users on 9/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:37 am -
2 stops36h 43m
Thu 11/1912:20 pm -
1 stop17h 39m
Deal found 9/28![Virgin Atlantic logo]()
$784
This United Airlines deal was found by Cheapflights users on 9/27. 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 2/18:15 am -
2 stops17h 15m
Fri 2/511:15 am -
2 stops30h 24m
Deal found 9/27![United Airlines logo]()
$803
This American Airlines deal was found by Cheapflights users on 9/26. 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.
Mon 11/27:00 am -
1 stop17h 05m
Tue 11/1010:55 am -
2 stops19h 47m
Deal found 9/26![American Airlines logo]()
$869
This Justfly.com deal was found by Cheapflights users on 9/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:53 pm -
2 stops23h 52m
Mon 11/237:00 am -
2 stops24h 59m
Deal found 9/30![Multiple Airlines logo]()
$970
This British Airways deal was found by Cheapflights users on 9/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/13:01 pm -
2 stops21h 49m
Fri 2/512:55 pm -
1 stop17h 55m
Deal found 9/29![British Airways logo]()
$1,037
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/510:38 am -
2 stops23h 07m
Fri 2/126:05 am -
2 stops25h 03m
Deal found 9/28![Delta logo]()
$810
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 3/123:24 pm -
2 stops17h 41m
Fri 3/2612:05 pm -
2 stops19h 06m
Deal found 9/30![Multiple Airlines logo]()
$1,018
Last-minute flights from Boise to MadridDiscover last-minute flight deals from Boise to Madrid. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Madrid. Data last updated September 30, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:06 pm -
2 stops22h 29m
Thu 10/229:10 am -
2 stops35h 25m
Deal found 9/27![Alaska Airlines logo]()
$1,001
This Finnair deal was found by Cheapflights users on 9/27. 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.
Mon 10/52:41 pm -
1 stop15h 44m
Thu 10/2210:25 am -
1 stop20h 04m
Deal found 9/27![Multiple Airlines logo]()
$1,023
This KLM deal was found by Cheapflights users on 9/27. 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.
Mon 10/52:11 pm -
1 stop14h 04m
Thu 10/226:00 am -
2 stops20h 33m
Deal found 9/27![KLM logo]()
$1,024
This Air Canada deal was found by Cheapflights users on 9/27. 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.
Mon 10/56:25 am -
3 stops18h 25m
Thu 10/221:30 pm -
3 stops28h 04m
Deal found 9/27![Air Canada logo]()
$1,547
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:41 pm -
1 stop34h 24m
Sun 10/251:55 pm -
2 stops52h 29m
Deal found 9/28![Iberia logo]()
$1,102
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/176:50 pm -
2 stops28h 00m
Sun 10/251:20 pm -
2 stops35h 43m
Deal found 9/28![United Airlines logo]()
$1,108
This KAYAK deal was found by Cheapflights users on 9/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:24 pm -
1 stop14h 06m
Sun 10/2510:00 am -
1 stop34h 51m
Deal found 9/28![Finnair logo]()
$1,635
This Scandinavian Airlines deal was found by Cheapflights users on 9/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:00 pm -
3 stops23h 25m
Sun 10/256:00 am -
3 stops24h 04m
Deal found 9/28![Scandinavian Airlines logo]()
$2,559
This Orbitz deal was found by Cheapflights users on 9/27. 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.
Wed 10/214:18 pm -
2 stops21h 52m
Tue 10/279:00 am -
2 stops21h 59m
Deal found 9/27![Alaska Airlines logo]()
$995
This Orbitz deal was found by Cheapflights users on 9/27. 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.
Wed 10/217:00 am -
1 stop23h 25m
Tue 10/2710:00 am -
1 stop19h 34m
Deal found 9/27![Iberia logo]()
$1,354
This Air Canada deal was found by Cheapflights users on 9/27. 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.
Wed 10/216:25 am -
2 stops19h 10m
Tue 10/2712:40 pm -
3 stops35h 02m
Deal found 9/27![Multiple Airlines logo]()
$1,754
One-way flights from Boise to MadridSearch for one-way flight options from Boise to Madrid. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from Boise to Madrid. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:00 am -
1 stop18h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Iberia logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/27. 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.
Tue 3/97:00 am -
2 stops17h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![American Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/94:00 pm -
3 stops22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/123:01 pm -
3 stops47h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:37 am -
3 stops32h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$539
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1611:42 am -
3 stops38h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$657
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:25 pm -
3 stops44h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$673
This Delta deal was found by Cheapflights users on 9/29. 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.
Sat 11/215:59 pm -
2 stops29h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Delta logo]()
$685
This American Airlines deal was found by Cheapflights users on 9/25. 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.
Wed 12/167:00 am -
2 stops17h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![American Airlines logo]()
$699
Find flight deals from Boise to Madrid
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Madrid (MAD). 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 September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $735 (United Airlines) |
One-way from | $359 (Expedia) |
Popular in | June |
Cheapest in | February |
Average price | $882 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Madrid 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 7,457,451 searches. Data last updated September 30, 2026.
Use the filters below to find and compare flights from Boise to Madrid that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Tue 1/12
7:00 am-12:15 pm
2 stops21h 15m
Madrid Barajas
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$369
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Tue 3/9
7:00 am-8:50 am
2 stops17h 50m
Madrid Barajas
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$370
Quickest round-trip
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Tue 3/9
7:00 am-6:10 am
1 stop15h 10m
Madrid Barajas
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$370
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Tue 3/9
4:00 pm-10:45 pm
3 stops22h 45m
Madrid Barajas
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$437
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Wed 12/16
11:42 am-9:45 am
3 stops38h 03m
Madrid Barajas
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$657
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Sat 11/21
2:26 pm-9:45 am
1 stop35h 19m
Madrid Barajas
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$698
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Wed 12/16
7:00 am-8:50 am
2 stops17h 50m
Madrid Barajas
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$699
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Sat 11/21
9:47 pm-7:20 pm
3 stops37h 33m
Madrid Barajas
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$710
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Fri 11/20
2:51 pm-7:45 am
2 stops56h 54m
Madrid Barajas
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$730
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Tue 12/1
10:37 am-3:20 pm
2 stops20h 43m
Madrid Barajas
Fri 12/18
9:20 am-11:52 pm
2 stops22h 32m
$758
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Boise to Madrid
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Madrid in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Madrid flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Madrid flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Madrid flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Madrid flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Madrid flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to Madrid
Have a flexible travel schedule? Discover the best time to fly to Madrid from Boise with our price prediction graph.
BOI-MAD
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 Boise to Madrid
What is the cheapest month to book a flight from Boise to Madrid?
Currently, February is the cheapest month in which you can book a flight from Boise to Madrid (average of $513). Flying from Boise to Madrid in June is currently the most expensive (average of $1,306). 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.
How much does it cost to fly round-trip from Boise to Madrid?
Airfare is typical for this route at the moment.
Boise to Madrid flights typically cost between $654 and $998 in November.The cheapest round-trip price found within the last 5 days was $735 on United Airlines (Nov 1-Nov 17).
Reviews of airlines servicing Madrid
Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated September 30, 2026.
Read reviews from past customers who have flown Delta,American Airlines, andIberia from Boise to Madrid. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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Top 3 airlines flying from Boise to Madrid
Discover the top 3 airlines that operate flights from Boise to Madrid. 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 7,457,451 searches. Data last updated September 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$489 | Average$969 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$489 | Average$861 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$654 | Average$848 | FlexibilityNo cancel fee | On-timeN/A |