$331+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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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
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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 August 19, 2026.
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 August 19, 2026.
This Air Canada deal was found by Cheapflights users on 8/16. 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 11/25:00 am -
2 stops19h 00m
Tue 11/101:25 pm -
2 stops30h 06m
Deal found 8/16![Multiple Airlines logo]()
$734
This Expedia deal was found by Cheapflights users on 8/15. 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 11/1412:31 pm -
2 stops59h 29m
Tue 12/87:25 am -
2 stops18h 30m
Deal found 8/15![Multiple Airlines logo]()
$738
This Expedia deal was found by Cheapflights users on 8/16. 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 12/27:00 am -
1 stop18h 20m
Mon 12/77:25 pm -
2 stops35h 17m
Deal found 8/16![Iberia logo]()
$740
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:30 am -
2 stops21h 55m
Fri 11/276:50 am -
2 stops23h 36m
Deal found 8/18![Delta logo]()
$741
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/166:30 am -
2 stops32h 40m
Thu 11/196:45 am -
2 stops19h 18m
Deal found 8/17![United Airlines logo]()
$742
This American Airlines deal was found by Cheapflights users on 8/17. 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 11/21:27 pm -
2 stops16h 08m
Mon 11/912:55 am -
1 stop20h 50m
Deal found 8/17![American Airlines logo]()
$747
This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 am -
2 stops33h 05m
Mon 12/76:05 am -
2 stops39h 46m
Deal found 8/18![Iberia logo]()
$748
This Air Canada deal was found by Cheapflights users on 8/16. 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 11/22:51 pm -
3 stops33h 09m
Tue 11/101:25 pm -
3 stops32h 20m
Deal found 8/16![Air Canada logo]()
$750
This Iberia deal was found by Cheapflights users on 8/16. 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.
Mon 11/27:00 am -
1 stop16h 45m
Mon 11/912:55 am -
1 stop20h 50m
Deal found 8/16![Iberia logo]()
$751
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:11 pm -
1 stop14h 04m
Wed 10/146:00 am -
2 stops25h 59m
Deal found 8/18![Delta logo]()
$752
This Expedia deal was found by Cheapflights users on 8/14. 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 12/27:00 am -
2 stops23h 40m
Wed 12/93:05 pm -
2 stops28h 24m
Deal found 8/14![Iberia logo]()
$753
This Delta deal was found by Cheapflights users on 8/15. 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 11/1511:35 pm -
2 stops23h 45m
Wed 12/99:20 am -
2 stops22h 44m
Deal found 8/15![Delta logo]()
$755
Best flights from Boise to SpainDiscover carefully curated flight deals from Boise to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from Boise to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This KLM deal was found by Cheapflights users on 8/19. 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.
Wed 2/101:43 pm -
2 stops22h 22m
Wed 4/2112:00 pm -
2 stops16h 17m
Deal found 8/19![KLM logo]()
$726
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:30 am -
2 stops21h 55m
Fri 11/276:50 am -
2 stops23h 36m
Deal found 8/18![Delta logo]()
$741
This United Airlines deal was found by Cheapflights users on 8/15. 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 11/166:30 am -
2 stops32h 40m
Thu 11/196:45 am -
2 stops19h 18m
Deal found 8/15![United Airlines logo]()
$742
This American Airlines deal was found by Cheapflights users on 8/17. 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 11/181:27 pm -
2 stops16h 13m
Thu 11/2611:05 am -
1 stop19h 41m
Deal found 8/17![American Airlines logo]()
$747
This Finnair deal was found by Cheapflights users on 8/15. 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 9/287:02 am -
2 stops30h 43m
Mon 10/58:55 pm -
2 stops33h 34m
Deal found 8/15![Multiple Airlines logo]()
$866
This Finnair deal was found by Cheapflights users on 8/17. 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 11/137:00 am -
1 stop16h 35m
Mon 11/239:15 pm -
2 stops33h 31m
Deal found 8/17![Finnair logo]()
$870
This British Airways deal was found by Cheapflights users on 8/17. 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 2/17:25 am -
2 stops44h 00m
Fri 2/59:10 am -
2 stops21h 40m
Deal found 8/17![British Airways logo]()
$984
This Iberia deal was found by Cheapflights users on 8/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:00 am -
2 stops22h 00m
Wed 12/99:40 pm -
2 stops21h 49m
Deal found 8/18![Iberia logo]()
$999
This Delta deal was found by Cheapflights users on 8/15. 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.
Wed 11/188:15 am -
2 stops25h 10m
Thu 11/266:50 am -
2 stops18h 25m
Deal found 8/15![Delta logo]()
$741
This United Airlines deal was found by Cheapflights users on 8/16. 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 1/118:40 am -
2 stops19h 20m
Fri 1/1512:50 pm -
2 stops40h 25m
Deal found 8/16![United Airlines logo]()
$760
This Delta deal was found by Cheapflights users on 8/16. 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 11/298:15 am -
2 stops23h 05m
Tue 12/86:05 am -
2 stops24h 21m
Deal found 8/16![Delta logo]()
$756
This United Airlines deal was found by Cheapflights users on 8/17. 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 1/118:40 am -
2 stops19h 20m
Thu 1/1411:40 am -
2 stops54h 03m
Deal found 8/17![United Airlines logo]()
$773
This Finnair deal was found by Cheapflights users on 8/15. 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 11/67:00 am -
1 stop16h 35m
Mon 11/1610:40 am -
1 stop20h 02m
Deal found 8/15![Finnair logo]()
$903
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:13 pm -
2 stops21h 32m
Tue 12/812:20 pm -
1 stop32h 19m
Deal found 8/18![Delta logo]()
$760
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/296:20 am -
2 stops27h 05m
Tue 12/86:25 pm -
2 stops37h 34m
Deal found 8/16![United Airlines logo]()
$774
This Iberia deal was found by Cheapflights users on 8/16. 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 12/67:00 am -
2 stops17h 30m
Tue 12/85:40 pm -
2 stops37h 02m
Deal found 8/16![Iberia logo]()
$1,011
This Delta deal was found by Cheapflights users on 8/14. 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 1/197:15 am -
2 stops20h 05m
Tue 1/2610:30 am -
2 stops21h 34m
Deal found 8/14![Delta logo]()
$774
This British Airways deal was found by Cheapflights users on 8/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/83:39 pm -
2 stops35h 46m
Sun 5/211:00 am -
2 stops20h 59m
Deal found 8/18![British Airways logo]()
$1,034
This United Airlines deal was found by Cheapflights users on 8/19. 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 2/96:20 am -
2 stops17h 40m
Tue 4/205:55 am -
2 stops25h 10m
Deal found 8/19![United Airlines logo]()
$781
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/105:40 am -
2 stops22h 20m
Wed 5/55:20 pm -
2 stops30h 10m
Deal found 8/18![Delta logo]()
$777
This United Airlines deal was found by Cheapflights users on 8/15. 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 1/116:55 pm -
2 stops29h 25m
Thu 1/1411:50 am -
2 stops53h 53m
Deal found 8/15![United Airlines logo]()
$795
This Iberia deal was found by Cheapflights users on 8/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:00 am -
2 stops26h 00m
Fri 2/51:25 pm -
2 stops41h 07m
Deal found 8/18![Iberia logo]()
$1,061
This British Airways deal was found by Cheapflights users on 8/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/124:00 pm -
2 stops36h 15m
Mon 5/38:55 pm -
2 stops33h 25m
Deal found 8/18![British Airways logo]()
$1,064
This Delta deal was found by Cheapflights users on 8/15. 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 11/2211:35 pm -
2 stops28h 20m
Sun 12/66:00 am -
2 stops25h 50m
Deal found 8/15![Delta logo]()
$791
This United Airlines deal was found by Cheapflights users on 8/17. 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 1/117:00 am -
2 stops18h 15m
Fri 1/1511:15 am -
2 stops30h 28m
Deal found 8/17![United Airlines logo]()
$798
This British Airways deal was found by Cheapflights users on 8/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/114:00 pm -
2 stops18h 50m
Sat 5/812:00 pm -
2 stops42h 20m
Deal found 8/18![British Airways logo]()
$1,147
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/14:05 pm -
2 stops33h 10m
Fri 2/511:15 am -
2 stops18h 01m
Deal found 8/18![United Airlines logo]()
$803
This Delta deal was found by Cheapflights users on 8/16. 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 11/298:15 am -
2 stops23h 05m
Mon 12/76:05 am -
2 stops25h 59m
Deal found 8/16![Delta logo]()
$806
This United Airlines deal was found by Cheapflights users on 8/15. 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 11/2212:00 pm -
2 stops21h 25m
Tue 12/86:25 pm -
2 stops31h 30m
Deal found 8/15![United Airlines logo]()
$805
This Delta deal was found by Cheapflights users on 8/16. 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 12/112:13 pm -
2 stops19h 07m
Mon 12/76:05 am -
2 stops24h 21m
Deal found 8/16![Delta logo]()
$806
Last-minute flights from Boise to SpainDiscover last-minute flight deals from Boise to Spain. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Spain. Data last updated August 19, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:00 am -
2 stops19h 00m
Tue 9/2212:15 pm -
2 stops41h 30m
Deal found 8/17![Air Canada logo]()
$864
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/217:05 pm -
2 stops20h 20m
Mon 9/286:50 am -
2 stops25h 09m
Deal found 8/15![United Airlines logo]()
$852
This Delta deal was found by Cheapflights users on 8/15. 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 9/2212:17 pm -
2 stops21h 13m
Wed 9/306:45 am -
2 stops18h 34m
Deal found 8/15![Delta logo]()
$801
This Delta deal was found by Cheapflights users on 8/15. 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 9/223:28 pm -
2 stops18h 02m
Mon 9/286:45 am -
2 stops19h 54m
Deal found 8/15![Delta logo]()
$851
This Delta deal was found by Cheapflights users on 8/15. 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 9/2712:17 pm -
2 stops21h 13m
Tue 10/612:00 pm -
2 stops29h 54m
Deal found 8/15![Delta logo]()
$794
This Iberia deal was found by Cheapflights users on 8/16. 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.
Mon 9/287:02 am -
2 stops29h 48m
Mon 10/129:35 pm -
2 stops32h 54m
Deal found 8/16![Iberia logo]()
$810
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:25 am -
2 stops16h 25m
Wed 10/1412:45 pm -
2 stops40h 50m
Deal found 8/18![United Airlines logo]()
$734
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:11 pm -
1 stop14h 04m
Wed 10/146:00 am -
2 stops25h 59m
Deal found 8/18![Delta logo]()
$752
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:25 am -
2 stops16h 25m
Wed 10/141:30 pm -
3 stops28h 04m
Deal found 8/18![Multiple Airlines logo]()
$767
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:00 am -
3 stops19h 50m
Wed 10/141:30 pm -
3 stops28h 04m
Deal found 8/18![Air Canada logo]()
$771
This KLM deal was found by Cheapflights users on 8/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:11 pm -
2 stops17h 44m
Tue 10/137:10 am -
2 stops18h 04m
Deal found 8/18![KLM logo]()
$788
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/292:20 pm -
2 stops25h 05m
Tue 10/136:50 am -
2 stops22h 45m
Deal found 8/17![United Airlines logo]()
$802
One-way flights from Boise to SpainSearch for one-way flight options from Boise to Spain. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
Search for one-way flight options from Boise to Spain. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This KLM deal was found by Cheapflights users on 8/19. 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 2/81:43 pm -
2 stops22h 22m
Deal found 8/19![KLM logo]()
$331
This Delta deal was found by Cheapflights users on 8/19. 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 2/710:38 am -
2 stops22h 47m
Deal found 8/19![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 8/19. 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.
Mon 2/812:42 pm -
2 stops38h 48m
Deal found 8/19![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 8/19. 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 2/146:20 am -
2 stops27h 25m
Deal found 8/19![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 8/19. 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 2/1010:39 am -
3 stops21h 31m
Deal found 8/19![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 8/19. 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 2/133:22 pm -
2 stops36h 08m
Deal found 8/19![Delta logo]()
$362
This American Airlines deal was found by Cheapflights users on 8/19. 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 2/102:41 pm -
2 stops18h 24m
Deal found 8/19![American Airlines logo]()
$367
This KLM deal was found by Cheapflights users on 8/19. 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 2/81:43 pm -
1 stop14h 02m
Deal found 8/19![KLM logo]()
$370
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Tue 2/97:00 am -
1 stop15h 10m
Deal found 8/19![Iberia logo]()
$376
This United Airlines deal was found by Cheapflights users on 8/19. 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 2/154:05 pm -
2 stops40h 55m
Deal found 8/19![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 8/19. 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 2/117:15 am -
2 stops26h 10m
Deal found 8/19![Delta logo]()
$401
This Air Canada deal was found by Cheapflights users on 8/19. 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 2/126:20 am -
2 stops17h 40m
Deal found 8/19![Air Canada logo]()
$424
Find flight deals from Boise to Spain
Keep the following information in mind while searching for Boise to Spain flight deals. Data was last updated August 19, 2026.
Round-trip from | $721 (KLM) |
|---|---|
One-way from | $367 (American Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $885 |
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 7,457,451 searches. Data last updated August 19, 2026.
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
Cheapest round-trip
BoiseBilbao
BOI Boise Air Term. Gowen Fld - BIO Bilbao
BOIBIO
Boise Air Term. Gowen Fld
Wed 2/10
1:43 pm-8:05 pm
2 stops22h 22m
Bilbao
Wed 4/21
12:00 pm-8:17 pm
2 stops16h 17m
$726
BoiseBilbao
BOI Boise Air Term. Gowen Fld - BIO Bilbao
BOIBIO
Boise Air Term. Gowen Fld
Wed 11/18
11:30 am-5:25 pm
2 stops21h 55m
Bilbao
Fri 11/27
6:50 am-10:26 pm
2 stops23h 36m
$741
BoiseBilbao
BOI Boise Air Term. Gowen Fld - BIO Bilbao
BOIBIO
Boise Air Term. Gowen Fld
Wed 11/18
8:15 am-5:25 pm
2 stops25h 10m
Bilbao
Thu 11/26
6:50 am-5:15 pm
2 stops18h 25m
$741
BoiseBilbao
BOI Boise Air Term. Gowen Fld - BIO Bilbao
BOIBIO
Boise Air Term. Gowen Fld
Mon 11/16
6:30 am-11:10 pm
2 stops32h 40m
Bilbao
Thu 11/19
6:45 am-6:03 pm
2 stops19h 18m
$742
Quickest round-trip
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Wed 11/18
1:27 pm-1:40 pm
2 stops16h 13m
Madrid Barajas
Thu 11/26
11:05 am-10:46 pm
1 stop19h 41m
$747
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Sun 11/29
8:15 am-3:20 pm
2 stops23h 05m
Madrid Barajas
Tue 12/8
6:05 am-10:26 pm
2 stops24h 21m
$756
BoiseValencia
BOI Boise Air Term. Gowen Fld - VLC Valencia
BOIVLC
Boise Air Term. Gowen Fld
Mon 1/11
8:40 am-12:00 pm
2 stops19h 20m
Valencia
Fri 1/15
12:50 pm-9:15 pm
2 stops40h 25m
$760
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Wed 12/2
12:13 pm-5:45 pm
2 stops21h 32m
Madrid Barajas
Tue 12/8
12:20 pm-12:39 pm
1 stop32h 19m
$760
BoiseValencia
BOI Boise Air Term. Gowen Fld - VLC Valencia
BOIVLC
Boise Air Term. Gowen Fld
Mon 1/11
8:40 am-12:00 pm
2 stops19h 20m
Valencia
Thu 1/14
11:40 am-9:43 am
2 stops54h 03m
$773
BoiseValencia
BOI Boise Air Term. Gowen Fld - VLC Valencia
BOIVLC
Boise Air Term. Gowen Fld
Sun 11/29
6:20 am-5:25 pm
2 stops27h 05m
Valencia
Tue 12/8
6:25 pm-11:59 pm
2 stops37h 34m
$774
Showing 1-10 of 55 resultsSorted by cheapest first
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.
BOI-MAD
BOI-BIO
BOI-VLC
BOI-BCN
BOI-AGP
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 Spain
BOI-ES0
BOI-MAD
BOI-BIO
BOI-VLC
BOI-BCN
What is the cheapest month to book a flight from Boise to Spain?
Currently, February is the cheapest month in which you can book a flight from Boise to Spain (average of $504). Flying from Boise to Spain in June is currently the most expensive (average of $1,433). 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.
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 August 19, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Boise to Spain. 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.
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Boarding
8.1
Comfort
7.8
Overall
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
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
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Complete your trip
Complete your trip to Spain by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Spain by cabin class
Find flights from Boise to Spain, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Spain flights
Browse other Boise and Spain flight options. Last updated on August 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boise to Spain flights
Consider these flights traveling from Boise to Spain.
Fly to Spain regions
Consider these flights traveling to Spain regions.
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 7,457,451 searches. Data last updated August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$483 | Average$1,095 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$489 | Average$882 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$498 | Average$782 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$528 | Average$891 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$856 | Average$865 | FlexibilityNo cancel fee | On-time67% |