$357+ Cheap flights from Boise (BOI) to Madrid, Spain (MAD)
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Jun 9 — Jun 161
Round-trip
1 adult, Economy
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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 May 10, 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 May 10, 2026.
This Iberia deal was found by Cheapflights users on 5/7. 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.
Tue 9/292:55 pm
BOI
- MAD
1 stop15h 30m
Iberia
Wed 10/712:20 pm
MAD
- BOI
1 stop17h 57m
Iberia
Deal found 5/7![Iberia logo]()
$794
This Finnair deal was found by Cheapflights users on 5/9. 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.
Tue 9/296:44 am
BOI
- MAD
1 stop23h 41m
Multiple Airlines
Wed 10/147:50 pm
MAD
- BOI
2 stops24h 42m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$799
This American Airlines deal was found by Cheapflights users on 5/7. 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 9/291:18 pm
BOI
- MAD
2 stops16h 02m
American Airlines
Wed 10/73:55 pm
MAD
- BOI
1 stop27h 31m
American Airlines
Deal found 5/7![American Airlines logo]()
$804
This Expedia deal was found by Cheapflights users on 5/5. 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.
Sun 10/112:55 pm
BOI
- MAD
1 stop15h 30m
Iberia
Mon 10/199:00 pm
MAD
- BOI
2 stops32h 05m
Iberia
Deal found 5/5![Iberia logo]()
$833
This Finnair deal was found by Cheapflights users on 5/7. 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.
Fri 10/3012:10 pm
BOI
- MAD
1 stop14h 10m
Multiple Airlines
Tue 11/104:25 pm
MAD
- BOI
2 stops28h 13m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$848
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Sun 10/112:57 pm
BOI
- MAD
1 stop14h 33m
American Airlines
Mon 10/1911:45 am
MAD
- BOI
2 stops18h 32m
American Airlines
Deal found 5/5![American Airlines logo]()
$849
This Iberia deal was found by Cheapflights users on 5/5. 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 10/112:55 pm
BOI
- MAD
1 stop15h 30m
Multiple Airlines
Mon 10/1911:45 am
MAD
- BOI
1 stop32h 47m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$851
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 11/185:00 am
BOI
- MAD
2 stops19h 00m
United Airlines
Thu 12/106:00 am
MAD
- BOI
2 stops23h 16m
United Airlines
Deal found 5/5![United Airlines logo]()
$852
This United Airlines deal was found by Cheapflights users on 5/7. 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 9/298:15 am
BOI
- MAD
2 stops41h 35m
United Airlines
Wed 10/711:15 am
MAD
- BOI
2 stops20h 37m
United Airlines
Deal found 5/7![United Airlines logo]()
$861
This United Airlines deal was found by Cheapflights users on 5/5. 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 11/227:00 am
BOI
- MAD
2 stops42h 15m
United Airlines
Fri 12/116:00 am
MAD
- BOI
2 stops25h 59m
United Airlines
Deal found 5/5![United Airlines logo]()
$865
This Air Canada deal was found by Cheapflights users on 5/9. 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.
Tue 9/295:00 am
BOI
- MAD
3 stops19h 50m
Air Canada
Wed 10/141:30 pm
MAD
- BOI
3 stops28h 05m
Air Canada
Deal found 5/9![Air Canada logo]()
$869
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 May 10, 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 May 10, 2026.
This United Airlines deal was found by Cheapflights users on 5/7. 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 9/298:15 am
BOI
- MAD
2 stops41h 35m
United Airlines
Wed 10/711:15 am
MAD
- BOI
2 stops20h 37m
United Airlines
Deal found 5/7![United Airlines logo]()
$861
This Finnair deal was found by Cheapflights users on 5/7. 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.
Tue 8/116:44 am
BOI
- MAD
1 stop23h 41m
Multiple Airlines
Tue 8/2511:45 am
MAD
- BOI
2 stops18h 35m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 5/5. 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 10/115:00 am
BOI
- MAD
2 stops19h 50m
United Airlines
Mon 10/1912:45 pm
MAD
- BOI
2 stops37h 13m
United Airlines
Deal found 5/5![United Airlines logo]()
$886
This Finnair deal was found by Cheapflights users on 5/8. 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 7/273:10 pm
BOI
- MAD
1 stop14h 20m
Multiple Airlines
Thu 8/133:55 pm
MAD
- BOI
1 stop27h 32m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$920
This United Airlines deal was found by Cheapflights users on 5/7. 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 7/277:05 pm
BOI
- MAD
2 stops51h 45m
United Airlines
Thu 8/1312:45 pm
MAD
- BOI
2 stops43h 05m
United Airlines
Deal found 5/7![United Airlines logo]()
$903
This Finnair deal was found by Cheapflights users on 5/8. 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.
Tue 9/86:44 am
BOI
- MAD
1 stop23h 41m
Multiple Airlines
Sun 10/183:55 pm
MAD
- BOI
1 stop27h 31m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$962
This United Airlines deal was found by Cheapflights users on 5/9. 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 9/57:05 pm
BOI
- MAD
2 stops27h 45m
United Airlines
Sun 9/1312:45 pm
MAD
- BOI
2 stops43h 05m
United Airlines
Deal found 5/9![United Airlines logo]()
$948
This Finnair deal was found by Cheapflights users on 5/9. 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 9/512:17 pm
BOI
- MAD
1 stop18h 08m
Multiple Airlines
Sun 9/133:55 pm
MAD
- BOI
1 stop27h 31m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$995
This United Airlines deal was found by Cheapflights users on 5/8. 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 9/85:44 pm
BOI
- MAD
2 stops30h 21m
United Airlines
Sun 10/1812:45 pm
MAD
- BOI
2 stops43h 07m
United Airlines
Deal found 5/8![United Airlines logo]()
$949
This Finnair deal was found by Cheapflights users on 5/5. 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.
Sun 8/306:44 am
BOI
- MAD
1 stop23h 41m
Multiple Airlines
Sun 9/277:50 pm
MAD
- BOI
2 stops24h 41m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,010
Last-minute flights from Boise to MadridDiscover last-minute flight deals from Boise to Madrid. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Madrid. Data last updated May 10, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 5/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:59 pm
BOI
- MAD
2 stops23h 56m
Multiple Airlines
Wed 8/197:05 am
MAD
- BOI
2 stops21h 25m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,289
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/27:00 am
BOI
- MAD
2 stops39h 50m
United Airlines
Tue 6/912:45 pm
MAD
- BOI
2 stops40h 50m
United Airlines
Deal found 5/9![United Airlines logo]()
$1,303
This Expedia deal was found by Cheapflights users on 5/8. 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.
Wed 6/31:59 pm
BOI
- MAD
2 stops23h 56m
Multiple Airlines
Thu 6/117:05 am
MAD
- BOI
2 stops24h 59m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$922
This Expedia deal was found by Cheapflights users on 5/9. 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.
Wed 6/31:59 pm
BOI
- MAD
2 stops23h 56m
Multiple Airlines
Tue 6/97:05 am
MAD
- BOI
2 stops24h 53m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,140
This Virgin Atlantic deal was found by Cheapflights users on 5/5. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:53 pm
BOI
- MAD
1 stop14h 22m
Virgin Atlantic
Thu 6/119:50 am
MAD
- BOI
1 stop20h 45m
Virgin Atlantic
Deal found 5/5![Virgin Atlantic logo]()
$1,274
This Flighttix deal was found by Cheapflights users on 5/8. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:30 am
BOI
- MAD
2 stops18h 20m
Air Canada
Fri 6/1212:45 pm
MAD
- BOI
2 stops30h 47m
Air Canada
Deal found 5/8![Air Canada logo]()
$1,204
This Air Canada deal was found by Cheapflights users on 5/8. 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 6/56:30 am
BOI
- MAD
2 stops18h 20m
Multiple Airlines
Fri 6/121:30 pm
MAD
- BOI
3 stops28h 23m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$1,248
This Expedia deal was found by Cheapflights users on 5/9. 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 6/911:56 am
BOI
- MAD
2 stops25h 59m
Multiple Airlines
Wed 6/177:05 am
MAD
- BOI
2 stops23h 02m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,105
This Air Canada deal was found by Cheapflights users on 5/5. 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 6/1510:35 am
BOI
- MAD
2 stops38h 15m
Air Canada
Thu 7/912:45 pm
MAD
- BOI
2 stops43h 10m
Air Canada
Deal found 5/5![Air Canada logo]()
$1,302
This Expedia deal was found by Cheapflights users on 5/8. 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 6/1611:42 am
BOI
- MAD
2 stops26h 13m
Multiple Airlines
Sat 6/207:05 am
MAD
- BOI
2 stops20h 43m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$1,220
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 May 10, 2026.
Search for one-way flight options from Boise to Madrid. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This lol.travel deal was found by Cheapflights users on 5/8. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:18 pm
BOI
- MAD
1 stop16h 12m
Finnair
Deal found 5/8![Finnair logo]()
$357
This American Airlines deal was found by Cheapflights users on 5/8. 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 11/41:40 pm
BOI
- MAD
2 stops19h 15m
American Airlines
Deal found 5/8![American Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 5/8. 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 9/296:00 am
BOI
- MAD
2 stops16h 20m
Delta
Deal found 5/8![Delta logo]()
$400
This Air Canada deal was found by Cheapflights users on 5/8. 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.
Sat 10/37:05 pm
BOI
- MAD
2 stops27h 45m
Air Canada
Deal found 5/8![Air Canada logo]()
$403
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 9/2711:30 pm
BOI
- MAD
1 stop28h 45m
Delta
Deal found 5/8![Delta logo]()
$405
This Air Canada deal was found by Cheapflights users on 5/8. 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 10/27:05 pm
BOI
- MAD
2 stops51h 45m
Air Canada
Deal found 5/8![Air Canada logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Sun 9/274:17 pm
BOI
- MAD
3 stops46h 43m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 5/8. 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.
Thu 10/16:00 am
BOI
- MAD
2 stops16h 20m
Delta
Deal found 5/8![Delta logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 10/11:18 pm
BOI
- MAD
1 stop16h 12m
Finnair
Deal found 5/8![Finnair logo]()
$451
This Air France deal was found by Cheapflights users on 5/8. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:15 pm
BOI
- MAD
2 stops18h 05m
Air France
Deal found 5/8![Air France logo]()
$455
This Delta deal was found by Cheapflights users on 5/8. 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 10/211:30 pm
BOI
- MAD
1 stop28h 45m
Delta
Deal found 5/8![Delta logo]()
$456
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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $794 (Iberia) |
One-way from | $357 (lol.travel) |
Popular in | May |
Cheapest in | February |
Average price | $1,155 |
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 2,558,603 searches. Data last updated May 10, 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 - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 9/29
8:15 am-9:50 am
2 stops41h 35m
Madrid Barajas
Wed 10/7
11:15 am-11:52 pm
2 stops20h 37m
$861
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 8/11
6:44 am-2:25 pm
1 stop23h 41m
Madrid Barajas
Tue 8/25
11:45 am-10:20 pm
2 stops18h 35m
$882
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Sun 10/11
5:00 am-8:50 am
2 stops19h 50m
Madrid Barajas
Mon 10/19
12:45 pm-5:58 pm
2 stops37h 13m
$886
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Mon 7/27
7:05 pm-6:50 am
2 stops51h 45m
Madrid Barajas
Thu 8/13
12:45 pm-11:50 pm
2 stops43h 05m
$903
Quickest round-trip
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Mon 7/27
3:10 pm-1:30 pm
1 stop14h 20m
Madrid Barajas
Thu 8/13
3:55 pm-11:27 am
1 stop27h 32m
$920
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Sat 9/5
7:05 pm-6:50 am
2 stops27h 45m
Madrid Barajas
Sun 9/13
12:45 pm-11:50 pm
2 stops43h 05m
$948
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 9/8
5:44 pm-8:05 am
2 stops30h 21m
Madrid Barajas
Sun 10/18
12:45 pm-11:52 pm
2 stops43h 07m
$949
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 9/8
6:44 am-2:25 pm
1 stop23h 41m
Madrid Barajas
Sun 10/18
3:55 pm-11:26 am
1 stop27h 31m
$962
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Sat 9/5
12:17 pm-2:25 pm
1 stop18h 08m
Madrid Barajas
Sun 9/13
3:55 pm-11:26 am
1 stop27h 31m
$995
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Sun 8/30
6:44 am-2:25 pm
1 stop23h 41m
Madrid Barajas
Sun 9/27
7:50 pm-12:31 pm
2 stops24h 41m
$1,010
Showing 1-10 of 18 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 May.
| 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
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 May 10, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines 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.
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
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Traveling to a place near Madrid?
Book flights to Madrid if you plan to visit one of these locationsGetafe
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Top 4 airlines flying from Boise to Madrid
Discover the top 4 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 2,558,603 searches. Data last updated May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$489 | Average$624 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$493 | Average$673 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$541 | Average$919 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$550 | Average$776 | FlexibilityNo cancel fee | On-timeN/A |