$337+ Cheap flights from Idaho 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Idaho 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 Idaho to SpainExplore the most affordable flight options available from Idaho to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Idaho to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This Delta deal was found by Cheapflights users on 8/13. 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.
Wed 11/1811:30 am -
2 stops21h 55m
Fri 11/276:50 am -
2 stops23h 36m
Deal found 8/13![Delta logo]()
$706
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 11/111:27 pm -
2 stops19h 03m
Thu 11/2612:00 pm -
2 stops19h 59m
Deal found 8/13![American Airlines logo]()
$707
This United Airlines 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 United Airlines 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 8/14![United Airlines logo]()
$734
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:37 pm -
2 stops59h 23m
Tue 12/87:25 am -
2 stops18h 30m
Deal found 8/10![Multiple Airlines logo]()
$738
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:21 pm -
2 stops18h 09m
Wed 10/710:25 am -
1 stop20h 14m
Deal found 8/10![American Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:05 pm -
2 stops29h 00m
Tue 10/61:30 pm -
2 stops31h 33m
Deal found 8/10![United Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 8/12. 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.
Wed 11/188:15 am -
2 stops25h 10m
Thu 11/266:50 am -
2 stops18h 25m
Deal found 8/12![Delta logo]()
$741
This Air Canada 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 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 -
2 stops30h 06m
Deal found 8/14![Multiple Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/166:30 am -
2 stops32h 40m
Thu 11/196:45 am -
2 stops19h 18m
Deal found 8/13![United Airlines logo]()
$742
This Expedia deal was found by Cheapflights users on 8/11. 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.
Wed 11/1812:37 pm -
2 stops21h 13m
Thu 11/261:25 pm -
2 stops36h 38m
Deal found 8/11![Multiple Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:44 pm -
2 stops20h 11m
Wed 11/187:30 am -
2 stops23h 29m
Deal found 8/10![United Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:40 pm -
2 stops29h 10m
Wed 10/710:50 am -
2 stops30h 44m
Deal found 8/10![United Airlines logo]()
$746
Best flights from Idaho to SpainDiscover carefully curated flight deals from Idaho to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Idaho to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Delta deal was found by Cheapflights users on 8/13. 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.
Wed 11/188:15 am -
2 stops25h 10m
Thu 11/266:50 am -
2 stops18h 25m
Deal found 8/13![Delta logo]()
$706
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/166:30 am -
2 stops32h 40m
Thu 11/196:45 am -
2 stops19h 18m
Deal found 8/13![United Airlines logo]()
$742
This Air Canada deal was found by Cheapflights users on 8/10. 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 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 8/10![Air Canada logo]()
$750
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:58 pm -
2 stops17h 57m
Wed 9/3010:45 am -
1 stop18h 35m
Deal found 8/9![American Airlines logo]()
$792
This Finnair deal was found by Cheapflights users on 8/11. 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.
Fri 9/257:02 am -
1 stop18h 03m
Fri 10/27:50 pm -
2 stops26h 41m
Deal found 8/11![Multiple Airlines logo]()
$805
This KLM deal was found by Cheapflights users on 8/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:00 pm -
2 stops18h 35m
Thu 10/225:25 pm -
2 stops30h 25m
Deal found 8/10![KLM logo]()
$856
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:39 pm -
2 stops17h 41m
Thu 11/129:00 am -
2 stops22h 56m
Deal found 8/14![Alaska Airlines logo]()
$905
This British Airways deal was found by Cheapflights users on 8/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/103:20 pm -
2 stops35h 30m
Wed 1/135:55 pm -
2 stops36h 16m
Deal found 8/10![British Airways logo]()
$967
This Iberia deal was found by Cheapflights users on 8/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:00 am -
1 stop18h 20m
Tue 12/81:00 pm -
1 stop16h 40m
Deal found 8/13![Iberia logo]()
$1,042
This Delta deal was found by Cheapflights users on 8/13. 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.
Wed 11/1811:30 am -
2 stops21h 55m
Fri 11/276:50 am -
2 stops23h 36m
Deal found 8/13![Delta logo]()
$706
This United Airlines deal was found by Cheapflights users on 8/13. 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 11/45:00 am -
2 stops19h 00m
Fri 11/136:05 am -
2 stops23h 27m
Deal found 8/13![United Airlines logo]()
$754
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 10/136:00 am -
1 stop19h 10m
Fri 10/2310:45 am -
1 stop18h 58m
Deal found 8/13![American Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
2 stops17h 30m
Fri 11/276:05 am -
2 stops24h 46m
Deal found 8/12![United Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:35 pm -
1 stop26h 20m
Tue 12/86:05 am -
2 stops25h 51m
Deal found 8/10![Delta logo]()
$758
This KAYAK deal was found by Cheapflights users on 8/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:37 pm -
2 stops39h 23m
Mon 12/76:40 pm -
2 stops37h 19m
Deal found 8/10![Multiple Airlines logo]()
$842
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:00 am -
2 stops18h 05m
Sun 12/131:15 pm -
2 stops18h 44m
Deal found 8/14![American Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 11/36:30 am -
2 stops17h 30m
Fri 11/138:35 am -
2 stops20h 57m
Deal found 8/13![United Airlines logo]()
$754
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:19 pm -
2 stops22h 16m
Fri 11/206:05 am -
2 stops24h 41m
Deal found 8/12![Multiple Airlines logo]()
$848
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:28 pm -
2 stops19h 47m
Fri 10/26:00 am -
2 stops24h 34m
Deal found 8/11![Delta logo]()
$806
This United Airlines deal was found by Cheapflights users on 8/11. 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 12/65:22 pm -
2 stops40h 08m
Thu 12/106:05 am -
2 stops25h 54m
Deal found 8/11![United Airlines logo]()
$760
This Air France deal was found by Cheapflights users on 8/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:11 pm -
2 stops16h 49m
Thu 12/106:00 am -
2 stops20h 16m
Deal found 8/10![Multiple Airlines logo]()
$854
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:18 am -
2 stops19h 17m
Fri 10/231:20 pm -
1 stop19h 30m
Deal found 8/10![Delta logo]()
$807
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 9/212:08 pm -
2 stops18h 17m
Mon 9/2810:30 am -
1 stop34h 58m
Deal found 8/11![American Airlines logo]()
$890
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:03 pm -
2 stops20h 32m
Fri 11/206:05 am -
3 stops22h 04m
Deal found 8/12![British Airways logo]()
$1,082
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United 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 8/12![United Airlines logo]()
$760
This KLM deal was found by Cheapflights users on 8/13. 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.
Fri 8/283:29 pm -
2 stops17h 06m
Tue 9/16:30 am -
2 stops18h 49m
Deal found 8/13![KLM logo]()
$1,146
This Air Canada deal was found by Cheapflights users on 8/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:10 pm -
2 stops30h 25m
Mon 11/161:35 pm -
3 stops35h 07m
Deal found 8/10![Multiple Airlines logo]()
$865
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:37 pm -
1 stop16h 38m
Wed 11/186:50 am -
2 stops22h 25m
Deal found 8/10![United Airlines logo]()
$772
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:00 pm -
1 stop14h 15m
Sun 11/86:05 am -
2 stops19h 10m
Deal found 8/10![Delta logo]()
$852
This British Airways deal was found by Cheapflights users on 8/11. 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.
Mon 9/211:58 pm -
2 stops19h 37m
Mon 9/289:20 pm -
2 stops32h 00m
Deal found 8/11![Multiple Airlines logo]()
$867
Last-minute flights from Idaho to SpainDiscover last-minute flight deals from Idaho to Spain. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Spain. Data last updated August 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:21 pm -
2 stops18h 09m
Wed 10/710:25 am -
1 stop20h 14m
Deal found 8/10![American Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:40 pm -
2 stops29h 10m
Wed 10/710:50 am -
2 stops30h 44m
Deal found 8/10![United Airlines logo]()
$746
This Air Canada deal was found by Cheapflights users on 8/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:05 pm -
2 stops27h 45m
Wed 10/71:30 pm -
3 stops28h 04m
Deal found 8/10![Multiple Airlines logo]()
$754
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:05 pm -
2 stops29h 00m
Tue 10/61:30 pm -
2 stops31h 33m
Deal found 8/10![United Airlines logo]()
$740
This Iberia deal was found by Cheapflights users on 8/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:50 pm -
1 stop16h 35m
Tue 10/610:25 am -
1 stop20h 04m
Deal found 8/10![Multiple Airlines logo]()
$751
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop23h 25m
Tue 9/297:30 am -
2 stops21h 55m
Deal found 8/13![Iberia logo]()
$754
This KLM deal was found by Cheapflights users on 8/13. 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 9/2211:10 am -
2 stops17h 30m
Tue 9/296:00 am -
2 stops18h 14m
Deal found 8/13![KLM logo]()
$760
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:58 pm -
2 stops17h 57m
Wed 9/3010:45 am -
1 stop18h 35m
Deal found 8/9![American Airlines logo]()
$792
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:41 pm -
2 stops16h 14m
Wed 9/306:30 pm -
2 stops25h 37m
Deal found 8/9![American Airlines logo]()
$804
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:00 am -
2 stops16h 50m
Thu 10/11:30 pm -
2 stops40h 19m
Deal found 8/10![United Airlines logo]()
$789
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:45 pm -
1 stop16h 40m
Thu 10/17:30 am -
2 stops21h 55m
Deal found 8/10![Iberia logo]()
$804
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United 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 8/12![United Airlines logo]()
$802
One-way flights from Idaho to SpainSearch for one-way flight options from Idaho to Spain. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Idaho to Spain. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:52 pm -
2 stops41h 23m
Deal found 8/11![Multiple Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 12/131:35 pm -
2 stops19h 40m
Deal found 8/13![American Airlines logo]()
$357
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/107:00 am -
2 stops21h 15m
Deal found 8/10![Iberia logo]()
$367
This KLM deal was found by Cheapflights users on 8/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:11 pm -
2 stops17h 44m
Deal found 8/12![KLM logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:24 pm -
3 stops22h 51m
Deal found 8/9![Multiple Airlines logo]()
$448
This lol.travel deal was found by Cheapflights users on 8/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:19 pm -
1 stop14h 11m
Deal found 8/11![Finnair logo]()
$451
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 9/83:19 pm -
2 stops18h 11m
Deal found 8/11![American Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 9/95:00 am -
2 stops18h 20m
Deal found 8/11![United Airlines logo]()
$459
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:02 pm -
2 stops18h 23m
Deal found 8/14![American Airlines logo]()
$460
This TravelUp deal was found by Cheapflights users on 8/11. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:08 am -
1 stop21h 07m
Deal found 8/11![Lufthansa logo]()
$461
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:51 pm -
1 stop15h 29m
Deal found 8/12![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:23 am -
2 stops31h 02m
Deal found 8/12![United Airlines logo]()
$466
Find flight deals from Idaho to Spain
Keep the following information in mind while searching for Idaho to Spain flight deals. Data was last updated August 14, 2026.
Round-trip from | $706 (Delta) |
|---|---|
One-way from | $337 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $885 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho 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 August 14, 2026.
Use the filters below to find and compare flights from Idaho 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 11/18
8:15 am-5:25 pm
2 stops25h 10m
Bilbao
Thu 11/26
6:50 am-5:15 pm
2 stops18h 25m
$706
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
$706
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
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Mon 11/2
2:51 pm-8:00 am
3 stops33h 09m
Madrid Barajas
Tue 11/10
1:25 pm-1:45 pm
3 stops32h 20m
$750
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Wed 11/4
5:00 am-8:00 am
2 stops19h 00m
Madrid Barajas
Fri 11/13
6:05 am-9:32 pm
2 stops23h 27m
$754
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Wed 11/18
6:30 am-8:00 am
2 stops17h 30m
Madrid Barajas
Fri 11/27
6:05 am-10:51 pm
2 stops24h 46m
$754
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Tue 11/3
6:30 am-8:00 am
2 stops17h 30m
Madrid Barajas
Fri 11/13
8:35 am-9:32 pm
2 stops20h 57m
$754
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Sun 11/22
11:35 pm-9:55 am
1 stop26h 20m
Madrid Barajas
Tue 12/8
6:05 am-11:56 pm
2 stops25h 51m
$758
BoiseValencia
BOI Boise Air Term. Gowen Fld - VLC Valencia
BOIVLC
Boise Air Term. Gowen Fld
Sun 12/6
5:22 pm-5:30 pm
2 stops40h 08m
Valencia
Thu 12/10
6:05 am-11:59 pm
2 stops25h 54m
$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
Fri 1/15
12:50 pm-9:15 pm
2 stops40h 25m
$760
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Spain
Have a flexible travel schedule? Discover the best time to fly to Spain from Idaho with our price prediction graph.
BOI-MAD
GEG-MAD
IDA-BCN
BOI-BIO
JAC-BCN
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 Idaho to Spain
USID-ES0
BOI-MAD
GEG-MAD
IDA-BCN
BOI-BIO
What is the cheapest month to book a flight from Idaho to Spain?
Currently, February is the cheapest month in which you can book a flight from Idaho to Spain (average of $504). Flying from Idaho 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.
Related info for your journey
Find useful and relevant information for your journey from Idaho to Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
Alternative routes for Idaho to Spain
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Spain by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Spain by cabin class
Find flights from Idaho to Spain, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Spain flights
Browse other Idaho and Spain flight options. Last updated on August 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Spain
Find the right flight back to Idaho after your stay in Spain
Idaho to Spain flights
Consider these flights traveling from Idaho to Spain.
Fly to Spain regions
Consider these flights traveling to Spain regions.
Top 5 airlines flying from Idaho to Spain
Discover the top 5 airlines that operate flights from Idaho 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 August 14, 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$493 | Average$894 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$528 | Average$891 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$856 | Average$869 | FlexibilityNo cancel fee | On-time67% |