$323+ Cheap flights from Idaho to Spain
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Oct 28 — Nov 41
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 September 28, 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 September 28, 2026.
This Air Canada deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/712:31 pm -
2 stops37h 04m
Wed 11/181:35 pm -
2 stops29h 56m
Deal found 9/24![Multiple Airlines logo]()
$585
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/1111:10 pm -
1 stop29h 40m
Wed 10/211:20 pm -
1 stop16h 48m
Deal found 9/24![Delta logo]()
$600
This KAYAK deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/118:28 am -
1 stop20h 47m
Thu 11/263:10 pm -
1 stop28h 21m
Deal found 9/24![Lufthansa logo]()
$621
This Expedia deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 12/82:48 pm -
2 stops34h 47m
Sun 1/101:15 pm -
2 stops56h 15m
Deal found 9/23![Air Canada logo]()
$646
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 12/86:15 am -
2 stops18h 45m
Sun 1/3111:00 am -
2 stops30h 39m
Deal found 9/23![United Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 12/612:48 pm -
2 stops36h 12m
Sun 1/101:15 pm -
2 stops52h 24m
Deal found 9/23![United Airlines logo]()
$653
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 12/12:42 pm -
2 stops19h 43m
Mon 12/710:15 am -
2 stops17h 55m
Deal found 9/23![Multiple Airlines logo]()
$659
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:24 pm -
2 stops17h 16m
Sun 1/106:35 am -
2 stops21h 29m
Deal found 9/23![Multiple Airlines logo]()
$661
This KAYAK deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/75:00 am -
2 stops20h 00m
Wed 11/183:10 pm -
1 stop15h 41m
Deal found 9/24![Lufthansa logo]()
$669
This Priceline deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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.
Sat 11/77:00 am -
2 stops21h 15m
Sat 11/141:30 pm -
1 stop17h 12m
Deal found 9/23![Iberia logo]()
$697
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/78:28 am -
2 stops17h 02m
Sat 11/1411:15 am -
2 stops30h 37m
Deal found 9/23![United Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:31 pm -
2 stops36h 59m
Tue 11/171:25 pm -
2 stops41h 26m
Deal found 9/26![United Airlines logo]()
$735
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 September 28, 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 September 28, 2026.
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/1111:10 pm -
1 stop29h 40m
Wed 10/211:20 pm -
1 stop16h 48m
Deal found 9/24![Delta logo]()
$600
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/78:28 am -
2 stops17h 02m
Sat 11/1411:15 am -
2 stops30h 37m
Deal found 9/23![United Airlines logo]()
$704
This Finnair deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:00 am -
2 stops22h 10m
Tue 11/104:20 pm -
2 stops29h 31m
Deal found 9/25![Multiple Airlines logo]()
$755
This Flysmarter deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am -
1 stop17h 05m
Wed 11/1812:55 am -
1 stop18h 33m
Deal found 9/28![Iberia logo]()
$789
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/301:50 pm -
2 stops16h 50m
Fri 11/611:40 am -
2 stops19h 19m
Deal found 9/23![American Airlines logo]()
$790
This Alaska Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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.
Fri 10/2312:58 pm -
2 stops25h 12m
Fri 10/309:00 am -
2 stops21h 59m
Deal found 9/24![Alaska Airlines logo]()
$855
This British Airways deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/13:39 pm -
2 stops17h 11m
Fri 2/59:10 am -
2 stops21h 40m
Deal found 9/23![British Airways logo]()
$971
This KLM deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:11 pm -
1 stop14h 04m
Thu 10/226:00 am -
2 stops20h 33m
Deal found 9/27![KLM logo]()
$1,024
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/208:20 am -
2 stops41h 15m
Tue 3/3012:15 pm -
2 stops42h 51m
Deal found 9/28![United Airlines logo]()
$722
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:20 am -
2 stops25h 40m
Wed 12/21:10 pm -
2 stops33h 33m
Deal found 9/26![Delta logo]()
$754
This Air France deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:19 pm -
2 stops20h 01m
Wed 11/184:10 pm -
2 stops31h 55m
Deal found 9/27![Multiple Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 3/27:00 am -
2 stops18h 35m
Fri 3/51:15 pm -
2 stops40h 01m
Deal found 9/23![United Airlines logo]()
$722
This Expedia deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 11/77:00 am -
1 stop17h 05m
Sat 11/141:30 pm -
1 stop17h 12m
Deal found 9/23![Iberia logo]()
$798
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:00 am -
1 stop16h 50m
Thu 11/196:35 am -
2 stops23h 16m
Deal found 9/27![American Airlines logo]()
$812
This Delta deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:37 am -
2 stops22h 48m
Tue 11/2411:55 am -
2 stops44h 04m
Deal found 9/25![Delta logo]()
$775
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/811:48 am -
2 stops27h 22m
Fri 2/126:45 am -
2 stops22h 31m
Deal found 9/26![United Airlines logo]()
$724
This American Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:00 am -
1 stop17h 05m
Tue 11/1010:55 am -
2 stops19h 47m
Deal found 9/26![American Airlines logo]()
$869
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 3/14:05 pm -
2 stops23h 05m
Fri 3/56:45 am -
2 stops22h 30m
Deal found 9/23![United Airlines logo]()
$725
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:19 pm -
2 stops18h 01m
Thu 11/1912:20 pm -
1 stop17h 39m
Deal found 9/28![Delta logo]()
$804
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/121:29 pm -
2 stops21h 06m
Fri 3/265:45 pm -
2 stops26h 31m
Deal found 9/28![Multiple Airlines logo]()
$907
This Alaska Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:06 pm -
2 stops22h 29m
Thu 10/229:10 am -
2 stops35h 25m
Deal found 9/27![Alaska Airlines logo]()
$1,001
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 12/810:37 am -
2 stops19h 23m
Sun 1/3110:50 am -
1 stop33h 49m
Deal found 9/24![Delta logo]()
$805
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:31 pm -
2 stops36h 59m
Tue 11/171:25 pm -
2 stops41h 26m
Deal found 9/26![United Airlines logo]()
$735
This FlightHub deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:00 am -
2 stops20h 40m
Tue 1/269:20 pm -
2 stops46h 24m
Deal found 9/26![Iberia logo]()
$981
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:00 am -
2 stops19h 45m
Tue 1/266:50 am -
2 stops36h 54m
Deal found 9/27![American Airlines logo]()
$948
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/118:15 am -
2 stops19h 45m
Fri 1/1512:50 pm -
2 stops30h 17m
Deal found 9/27![United Airlines logo]()
$736
This Finnair deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:41 pm -
1 stop15h 44m
Thu 10/2210:25 am -
1 stop20h 04m
Deal found 9/27![Multiple Airlines logo]()
$1,023
This Travelocity deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:14 pm -
2 stops20h 41m
Tue 10/2712:40 pm -
2 stops40h 49m
Deal found 9/25![Iberia logo]()
$1,056
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 1/177:00 am -
2 stops17h 20m
Thu 1/2111:00 am -
2 stops30h 28m
Deal found 9/23![United Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:59 pm -
2 stops39h 31m
Thu 10/296:50 am -
2 stops39h 30m
Deal found 9/27![Delta logo]()
$903
Last-minute flights from Idaho to SpainDiscover last-minute flight deals from Idaho to Spain. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Spain. Data last updated September 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:26 pm -
2 stops26h 59m
Tue 10/136:50 am -
2 stops23h 43m
Deal found 9/28![United Airlines logo]()
$893
This FlightHub deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:06 pm -
2 stops24h 04m
Thu 10/2210:15 am -
2 stops21h 44m
Deal found 9/27![Multiple Airlines logo]()
$861
This FlightHub deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:06 pm -
2 stops24h 04m
Tue 10/208:00 am -
2 stops21h 20m
Deal found 9/25![Multiple Airlines logo]()
$876
This FlightHub deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:06 pm -
2 stops24h 04m
Wed 10/218:00 am -
2 stops23h 59m
Deal found 9/27![Multiple Airlines logo]()
$883
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:59 am -
2 stops18h 46m
Tue 10/205:25 pm -
2 stops31h 49m
Deal found 9/27![Delta logo]()
$893
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/1111:10 pm -
1 stop29h 40m
Wed 10/211:20 pm -
1 stop16h 48m
Deal found 9/24![Delta logo]()
$600
This Air Canada deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/116:32 am -
2 stops18h 48m
Wed 10/211:15 pm -
2 stops28h 19m
Deal found 9/24![Multiple Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:15 am -
2 stops31h 10m
Wed 10/287:30 am -
2 stops22h 21m
Deal found 9/27![United Airlines logo]()
$895
This Alaska Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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.
Fri 10/2312:58 pm -
2 stops25h 12m
Fri 10/309:00 am -
2 stops21h 59m
Deal found 9/24![Alaska Airlines logo]()
$855
This Flysmarter deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:28 am -
2 stops16h 17m
Thu 11/1211:15 am -
2 stops19h 44m
Deal found 9/24![Air Canada logo]()
$779
This American Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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.
Thu 10/293:24 pm -
2 stops18h 31m
Thu 11/1212:40 pm -
1 stop31h 57m
Deal found 9/24![American Airlines logo]()
$786
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” 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 10/301:50 pm -
2 stops16h 50m
Fri 11/611:40 am -
2 stops19h 19m
Deal found 9/23![American Airlines logo]()
$790
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 September 28, 2026.
Search for one-way flight options from Idaho to Spain. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Expedia deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3012:21 pm -
2 stops23h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Iberia logo]()
$323
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/97:00 am -
2 stops17h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![American Airlines logo]()
$370
This KLM deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:15 am -
2 stops28h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![KLM logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/94:00 pm -
3 stops22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/304:56 pm -
3 stops35h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$443
This FlightHub deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/138:57 am -
2 stops29h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/307:59 pm -
3 stops55h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:00 am -
2 stops19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![American Airlines logo]()
$475
This FlightHub deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:06 pm -
2 stops24h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:57 pm -
3 stops53h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/136:45 am -
1 stop20h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$509
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/1211:32 am -
2 stops20h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Delta logo]()
$513
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 September 28, 2026.
Round-trip from | $585 (Air Canada) |
|---|---|
One-way from | $323 (Expedia) |
Popular in | June |
Cheapest in | February |
Average price | $869 |
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 7,457,451 searches. Data last updated September 28, 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
BoiseValencia
BOI Boise Air Term. Gowen Fld - VLC Valencia
BOIVLC
Boise Air Term. Gowen Fld
Wed 12/30
12:21 pm-8:20 pm
2 stops23h 59m
Valencia
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$323
BoiseSeville
BOI Boise Air Term. Gowen Fld - SVQ Sevilla
BOISVQ
Boise Air Term. Gowen Fld
Tue 1/12
7:15 am-7:25 pm
2 stops28h 10m
Sevilla
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$384
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Tue 10/13
8:57 am-10:10 pm
2 stops29h 13m
Barcelona-El Prat
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$474
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Mon 11/30
7:59 pm-11:30 am
3 stops55h 31m
Madrid Barajas
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$474
BoiseSanta Cruz de Tenerife
BOI Boise Air Term. Gowen Fld - TFN Santa Cruz de Tenerife Tenerife-Norte
BOITFN
Boise Air Term. Gowen Fld
Thu 1/14
7:00 am-9:45 am
2 stops19h 45m
Santa Cruz de Tenerife Tenerife-Norte
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$475
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Mon 10/12
2:06 pm-10:10 pm
2 stops24h 04m
Barcelona-El Prat
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$488
BoiseMálaga
BOI Boise Air Term. Gowen Fld - AGP Malaga
BOIAGP
Boise Air Term. Gowen Fld
Fri 11/6
7:57 pm-9:25 am
3 stops53h 28m
Malaga
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$501
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Tue 10/13
6:45 am-11:10 am
1 stop20h 25m
Barcelona-El Prat
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$509
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Mon 10/12
11:32 am-3:35 pm
2 stops20h 03m
Barcelona-El Prat
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$513
BoiseValencia
BOI Boise Air Term. Gowen Fld - VLC Valencia
BOIVLC
Boise Air Term. Gowen Fld
Sun 11/1
7:00 am-12:05 am
2 stops33h 05m
Valencia
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$517
Showing 1-10 of 52 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-BCN
BOI-MAD
IDA-BCN
BOI-BIO
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 Idaho to Spain
USID-ES0
BOI-BCN
BOI-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 September 28, 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 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$483 | Average$1,002 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$489 | Average$969 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$498 | Average$817 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$528 | Average$891 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$856 | Average$865 | FlexibilityNo cancel fee | On-time67% |