$357+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Jun 15 — Jun 221
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Spain with Cheapflights
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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 May 16, 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 May 16, 2026.
This Air France deal was found by Cheapflights users on 5/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:43 pm
BOI
- BIO
2 stops19h 37m
Multiple Airlines
Thu 11/265:20 pm
BIO
- BOI
2 stops31h 29m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Wed 11/187:00 am
BOI
- BIO
2 stops27h 05m
United Airlines
Fri 11/276:45 am
BIO
- BOI
2 stops19h 10m
United Airlines
Deal found 5/15![United Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 5/13. 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 11/184:05 pm
BOI
- BIO
2 stops23h 00m
United Airlines
Thu 11/266:45 am
BIO
- BOI
2 stops24h 21m
United Airlines
Deal found 5/13![United Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 5/13. 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 9/2910:23 am
BOI
- BIO
2 stops23h 07m
Delta
Tue 10/137:10 am
BIO
- BOI
2 stops23h 58m
Delta
Deal found 5/13![Delta logo]()
$749
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Tue 9/296:25 am
BOI
- BIO
2 stops32h 40m
United Airlines
Tue 10/136:50 am
BIO
- BOI
2 stops25h 02m
United Airlines
Deal found 5/15![United Airlines logo]()
$756
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:00 am
BOI
- BIO
2 stops34h 05m
United Airlines
Tue 11/1011:35 am
BIO
- BOI
2 stops41h 41m
United Airlines
Deal found 5/11![United Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:05 pm
BOI
- BIO
2 stops20h 20m
United Airlines
Mon 10/1211:00 am
BIO
- BOI
2 stops44h 52m
United Airlines
Deal found 5/14![United Airlines logo]()
$764
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:57 pm
BOI
- BCN
2 stops19h 28m
American Airlines
Thu 10/2910:40 am
BCN
- BOI
1 stop18h 37m
American Airlines
Deal found 5/11![American Airlines logo]()
$766
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:05 pm
BOI
- VLC
2 stops47h 05m
United Airlines
Thu 11/121:00 pm
VLC
- BOI
2 stops33h 56m
United Airlines
Deal found 5/14![United Airlines logo]()
$767
This Orbitz deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:44 am
BOI
- BCN
1 stop19h 26m
Finnair
Thu 10/2910:40 am
BCN
- BOI
1 stop18h 37m
Finnair
Deal found 5/11![Finnair logo]()
$770
This CheapOair deal was found by Cheapflights users on 5/13. 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.
Tue 9/227:01 pm
BOI
- BCN
2 stops28h 59m
Air Canada
Wed 9/3012:15 pm
BCN
- BOI
2 stops41h 16m
Air Canada
Deal found 5/13![Air Canada logo]()
$787
This British Airways deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:57 pm
BOI
- BCN
2 stops18h 08m
Multiple Airlines
Thu 10/2911:15 am
BCN
- BOI
2 stops31h 11m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$790
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 May 16, 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 May 16, 2026.
This Delta deal was found by Cheapflights users on 5/14. 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 9/294:05 pm
BOI
- BIO
2 stops17h 25m
Delta
Tue 10/137:10 am
BIO
- BOI
2 stops16h 20m
Delta
Deal found 5/14![Delta logo]()
$749
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Tue 9/296:25 am
BOI
- BIO
2 stops32h 40m
United Airlines
Tue 10/136:50 am
BIO
- BOI
2 stops25h 02m
United Airlines
Deal found 5/15![United Airlines logo]()
$756
This British Airways deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:57 pm
BOI
- BCN
2 stops18h 08m
Multiple Airlines
Thu 10/2911:15 am
BCN
- BOI
2 stops31h 11m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$790
This KLM deal was found by Cheapflights users on 5/13. 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 9/228:40 am
BOI
- BCN
1 stop18h 30m
KLM
Wed 9/301:20 pm
BCN
- BOI
1 stop14h 58m
KLM
Deal found 5/13![KLM logo]()
$834
This Iberia deal was found by Cheapflights users on 5/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:44 am
BOI
- BCN
1 stop19h 26m
Iberia
Fri 8/2110:45 am
BCN
- BOI
1 stop19h 35m
Iberia
Deal found 5/14![Iberia logo]()
$882
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:00 am
BOI
- BIO
2 stops34h 05m
United Airlines
Tue 11/1011:35 am
BIO
- BOI
2 stops41h 41m
United Airlines
Deal found 5/14![United Airlines logo]()
$761
This Finnair deal was found by Cheapflights users on 5/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:00 am
BOI
- MAD
1 stop15h 10m
Multiple Airlines
Tue 11/104:30 pm
MAD
- BOI
2 stops28h 08m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:05 pm
BOI
- VLC
2 stops47h 05m
United Airlines
Thu 11/121:00 pm
VLC
- BOI
2 stops33h 56m
United Airlines
Deal found 5/14![United Airlines logo]()
$767
This Finnair deal was found by Cheapflights users on 5/14. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am
BOI
- MAD
2 stops22h 10m
Multiple Airlines
Tue 11/104:30 pm
MAD
- BOI
2 stops28h 08m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$849
This Ovago deal was found by Cheapflights users on 5/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/285:40 pm
BOI
- VLC
3 stops55h 25m
British Airways
Sun 7/55:40 pm
VLC
- BOI
2 stops53h 07m
British Airways
Deal found 5/14![British Airways logo]()
$1,941
This Finnair deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:44 am
BOI
- MAD
1 stop23h 41m
Multiple Airlines
Thu 9/1012:40 pm
MAD
- BOI
1 stop17h 37m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$878
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:05 pm
BOI
- MAD
2 stops51h 45m
United Airlines
Thu 8/1312:45 pm
MAD
- BOI
2 stops34h 46m
United Airlines
Deal found 5/11![United Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Thu 8/62:41 pm
BOI
- BCN
2 stops19h 14m
United Airlines
Fri 8/2112:15 pm
BCN
- BOI
2 stops37h 43m
United Airlines
Deal found 5/15![United Airlines logo]()
$919
This Finnair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 5/11![Multiple Airlines logo]()
$920
This Finnair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:53 pm
BOI
- MAD
1 stop14h 32m
Multiple Airlines
Tue 8/113:55 pm
MAD
- BOI
1 stop27h 32m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$920
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:05 pm
BOI
- BCN
2 stops28h 55m
United Airlines
Tue 7/1412:15 pm
BCN
- BOI
2 stops41h 14m
United Airlines
Deal found 5/14![United Airlines logo]()
$951
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:40 pm
BOI
- BCN
2 stops20h 45m
United Airlines
Sat 9/128:00 am
BCN
- BOI
2 stops21h 19m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,003
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:05 pm
BOI
- BCN
2 stops28h 55m
United Airlines
Sun 8/3012:15 pm
BCN
- BOI
2 stops41h 22m
United Airlines
Deal found 5/11![United Airlines logo]()
$1,003
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:25 am
BOI
- VLC
2 stops25h 10m
United Airlines
Sun 7/57:10 pm
VLC
- BOI
2 stops48h 22m
United Airlines
Deal found 5/14![United Airlines logo]()
$1,230
This Mytrip deal was found by Cheapflights users on 5/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2810:35 am
BOI
- VLC
3 stops30h 40m
Multiple Airlines
Sun 7/510:35 pm
VLC
- BOI
3 stops31h 49m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$2,971
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:30 am
BOI
- AGP
2 stops17h 05m
United Airlines
Wed 6/109:35 am
AGP
- BOI
2 stops33h 57m
United Airlines
Deal found 5/14![United Airlines logo]()
$2,236
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:05 pm
BOI
- AGP
2 stops28h 30m
United Airlines
Wed 6/109:35 am
AGP
- BOI
2 stops20h 00m
United Airlines
Deal found 5/14![United Airlines logo]()
$2,850
Last-minute flights from Boise to SpainDiscover last-minute flight deals from Boise to Spain. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Spain. Data last updated May 16, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:05 am
BOI
- BCN
2 stops28h 05m
Multiple Airlines
Tue 5/268:00 am
BCN
- BOI
2 stops23h 58m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,031
This United Airlines deal was found by Cheapflights users on 5/15. 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 5/1712:30 pm
BOI
- BCN
1 stop17h 50m
United Airlines
Tue 5/2612:15 pm
BCN
- BOI
2 stops37h 41m
United Airlines
Deal found 5/15![United Airlines logo]()
$1,043
This Air Canada deal was found by Cheapflights users on 5/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:30 am
BOI
- BCN
2 stops18h 50m
Air Canada
Tue 5/2612:15 pm
BCN
- BOI
2 stops37h 41m
Air Canada
Deal found 5/14![Air Canada logo]()
$1,052
This Expedia deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:59 pm
BOI
- BCN
2 stops24h 11m
Multiple Airlines
Mon 6/18:00 am
BCN
- BOI
2 stops17h 13m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,146
This FlightHub deal was found by Cheapflights users on 5/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:30 am
BOI
- BIO
2 stops18h 40m
Lufthansa
Wed 6/36:50 am
BIO
- BOI
2 stops22h 45m
Lufthansa
Deal found 5/15![Lufthansa logo]()
$1,141
This Delta deal was found by Cheapflights users on 5/15. 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.
Thu 5/2810:39 am
BOI
- BIO
2 stops22h 51m
Delta
Tue 6/212:00 pm
BIO
- BOI
2 stops16h 32m
Delta
Deal found 5/15![Delta logo]()
$1,151
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Fri 5/292:05 pm
BOI
- BIO
2 stops25h 20m
United Airlines
Fri 6/56:45 am
BIO
- BOI
2 stops25h 10m
United Airlines
Deal found 5/15![United Airlines logo]()
$1,153
This Travelocity deal was found by Cheapflights users on 5/13. 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.
Mon 6/19:00 am
BOI
- BCN
2 stops23h 00m
Multiple Airlines
Wed 6/108:00 am
BCN
- BOI
2 stops22h 07m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,012
This Orbitz deal was found by Cheapflights users on 5/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:00 am
BOI
- BCN
2 stops23h 00m
Multiple Airlines
Sat 6/68:00 am
BCN
- BOI
2 stops17h 13m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$1,138
This United Airlines deal was found by Cheapflights users on 5/13. 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 6/85:46 pm
BOI
- BIO
2 stops32h 59m
United Airlines
Sun 6/1412:30 pm
BIO
- BOI
2 stops18h 07m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,135
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/91:59 pm
BOI
- BCN
2 stops24h 11m
Multiple Airlines
Wed 6/248:00 am
BCN
- BOI
2 stops22h 07m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,126
This United Airlines deal was found by Cheapflights users on 5/13. 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 6/102:40 pm
BOI
- BIO
2 stops48h 30m
United Airlines
Wed 6/1712:30 pm
BIO
- BOI
2 stops18h 07m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,138
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 May 16, 2026.
Search for one-way flight options from Boise to Spain. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This American Airlines deal was found by Cheapflights users on 5/13. 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 10/124:17 pm
BOI
- BCN
2 stops17h 18m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 5/13. 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 10/126:44 am
BOI
- BCN
1 stop19h 26m
American Airlines
Deal found 5/13![American Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:40 am
BOI
- AGP
2 stops22h 05m
Delta
Deal found 5/12![Delta logo]()
$381
This KLM deal was found by Cheapflights users on 5/13. 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 10/138:40 am
BOI
- BCN
1 stop18h 30m
KLM
Deal found 5/13![KLM logo]()
$392
This Air Canada deal was found by Cheapflights users on 5/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:00 am
BOI
- BCN
3 stops20h 20m
Air Canada
Deal found 5/15![Air Canada logo]()
$401
This Air France deal was found by Cheapflights users on 5/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:05 pm
BOI
- BCN
2 stops17h 05m
Air France
Deal found 5/15![Air France logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:29 pm
BOI
- BCN
3 stops41h 16m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 5/15. 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 7/266:00 am
BOI
- BCN
2 stops22h 50m
Delta
Deal found 5/15![Delta logo]()
$463
This Delta deal was found by Cheapflights users on 5/15. 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.
Mon 7/2710:29 am
BOI
- BCN
2 stops21h 06m
Delta
Deal found 5/15![Delta logo]()
$468
This KAYAK deal was found by Cheapflights users on 5/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:31 am
BOI
- BCN
2 stops18h 44m
Lufthansa
Deal found 5/16![Lufthansa logo]()
$471
This British Airways deal was found by Cheapflights users on 5/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:11 pm
BOI
- BCN
2 stops19h 24m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:47 pm
BOI
- BCN
3 stops43h 12m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$488
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 May 16, 2026.
Round-trip from | $749 (Delta) |
|---|---|
One-way from | $357 (American Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $1,236 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Spain that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 16, 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 - BIO
BOIBIO
Boise Air Term. Gowen Fld
Tue 9/29
4:05 pm-5:30 pm
2 stops17h 25m
Bilbao
Tue 10/13
7:10 am-3:30 pm
2 stops16h 20m
$749
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Tue 9/29
6:25 am-11:05 pm
2 stops32h 40m
Bilbao
Tue 10/13
6:50 am-11:52 pm
2 stops25h 02m
$756
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Sun 11/8
5:00 am-11:05 pm
2 stops34h 05m
Bilbao
Tue 11/10
11:35 am-9:16 pm
2 stops41h 41m
$761
BoiseValencia
BOI - VLC
BOIVLC
Boise Air Term. Gowen Fld
Mon 11/9
4:05 pm-11:10 pm
2 stops47h 05m
Valencia
Thu 11/12
1:00 pm-2:56 pm
2 stops33h 56m
$767
BoiseBarcelona
BOI - BCN
BOIBCN
Boise Air Term. Gowen Fld
Sun 10/18
2:57 pm-5:05 pm
2 stops18h 08m
Barcelona-El Prat
Thu 10/29
11:15 am-11:26 am
2 stops31h 11m
$790
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 11/3
7:00 am-6:10 am
1 stop15h 10m
Madrid Barajas
Tue 11/10
4:30 pm-12:38 pm
2 stops28h 08m
$799
Quickest round-trip
BoiseBarcelona
BOI - BCN
BOIBCN
Boise Air Term. Gowen Fld
Tue 9/22
8:40 am-11:10 am
1 stop18h 30m
Barcelona-El Prat
Wed 9/30
1:20 pm-8:18 pm
1 stop14h 58m
$834
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Thu 11/5
7:00 am-1:10 pm
2 stops22h 10m
Madrid Barajas
Tue 11/10
4:30 pm-12:38 pm
2 stops28h 08m
$849
BoiseMadrid
BOI - MAD
BOIMAD
Boise Air Term. Gowen Fld
Tue 9/1
6:44 am-2:25 pm
1 stop23h 41m
Madrid Barajas
Thu 9/10
12:40 pm-10:17 pm
1 stop17h 37m
$878
BoiseBarcelona
BOI - BCN
BOIBCN
Boise Air Term. Gowen Fld
Mon 8/10
6:44 am-10:10 am
1 stop19h 26m
Barcelona-El Prat
Fri 8/21
10:45 am-10:20 pm
1 stop19h 35m
$882
Showing 1-10 of 43 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-BCN
BOI-AGP
BOI-BIO
BOI-VLC
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 Spain
BOI-ES0
BOI-BCN
BOI-AGP
BOI-BIO
BOI-VLC
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 $467). Flying from Boise to Spain in June is currently the most expensive (average of $776). 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 May 16, 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.
Crew
8.5
Overall
7.9
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.9
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 May 16, 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 2,558,603 searches. Data last updated May 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$483 | Average$782 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$493 | Average$711 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$528 | Average$869 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$541 | Average$974 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$799 | Average$865 | FlexibilityNo cancel fee | On-time67% |