$359+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Sep 30 — Oct 71
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 31, 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 31, 2026.
This Expedia deal was found by Cheapflights users on 8/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
2 stops17h 30m
Wed 11/251:25 pm -
2 stops30h 47m
Deal found 8/26![Air Canada logo]()
$712
This lol.travel deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Mon 10/127:00 am -
1 stop19h 10m
Wed 10/2810:40 am -
1 stop18h 49m
Deal found 8/30![Finnair logo]()
$724
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/1311:10 am -
1 stop17h 05m
Fri 10/2312:15 pm -
2 stops41h 34m
Deal found 8/28![United Airlines logo]()
$726
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/126:25 am -
2 stops22h 50m
Wed 10/283:10 pm -
1 stop27h 21m
Deal found 8/30![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:00 am -
2 stops19h 00m
Wed 11/251:25 pm -
2 stops30h 47m
Deal found 8/29![United Airlines logo]()
$734
This Air Canada deal was found by Cheapflights users on 8/28. 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 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
Wed 11/181:35 pm -
2 stops29h 56m
Deal found 8/28![Multiple Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/212:31 pm -
2 stops36h 44m
Tue 11/101:25 pm -
2 stops30h 06m
Deal found 8/31![United Airlines logo]()
$735
This KLM deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/282:11 pm -
1 stop14h 39m
Wed 10/141:20 pm -
1 stop16h 48m
Deal found 8/29![KLM logo]()
$737
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/145:00 am -
2 stops20h 35m
Wed 10/2112:45 pm -
2 stops43h 14m
Deal found 8/30![United Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 10/116:50 pm -
1 stop35h 30m
Wed 10/211:15 pm -
2 stops54h 13m
Deal found 8/28![United Airlines logo]()
$742
This Air Canada deal was found by Cheapflights users on 8/27. 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 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 8/27![Multiple Airlines logo]()
$742
This KLM deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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.
Sun 10/111:40 pm -
1 stop15h 10m
Wed 10/211:20 pm -
1 stop16h 48m
Deal found 8/31![KLM 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 31, 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 31, 2026.
This Expedia deal was found by Cheapflights users on 8/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
2 stops17h 30m
Wed 11/251:25 pm -
2 stops30h 47m
Deal found 8/26![Air Canada logo]()
$712
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/1311:10 am -
1 stop17h 05m
Fri 10/2312:15 pm -
2 stops41h 34m
Deal found 8/28![United Airlines logo]()
$726
This KLM deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/282:11 pm -
1 stop14h 39m
Wed 10/141:20 pm -
1 stop16h 48m
Deal found 8/29![KLM logo]()
$737
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/285:30 am -
2 stops19h 05m
Wed 10/141:20 pm -
1 stop28h 34m
Deal found 8/29![Delta logo]()
$737
This Air France deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 2/175:40 am -
2 stops21h 50m
Wed 2/246:50 am -
2 stops25h 05m
Deal found 8/31![Multiple Airlines logo]()
$746
This American Airlines deal was found by Cheapflights users on 8/26. 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 2/12:41 pm -
2 stops18h 29m
Fri 2/510:00 am -
2 stops20h 32m
Deal found 8/26![American Airlines logo]()
$800
This Expedia deal was found by Cheapflights users on 8/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 am -
1 stop16h 45m
Wed 11/2511:05 am -
1 stop19h 41m
Deal found 8/26![Iberia logo]()
$863
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 stops20h 31m
Thu 11/127:40 am -
2 stops22h 18m
Deal found 8/30![Alaska Airlines logo]()
$903
This British Airways deal was found by Cheapflights users on 8/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/173:38 pm -
2 stops35h 07m
Thu 1/2111:50 am -
2 stops40h 12m
Deal found 8/27![British Airways logo]()
$973
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Mon 11/25:44 pm -
2 stops30h 01m
Tue 11/101:25 pm -
2 stops30h 06m
Deal found 8/28![United Airlines logo]()
$735
This KLM deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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.
Sun 10/111:40 pm -
1 stop15h 10m
Wed 10/211:20 pm -
1 stop16h 48m
Deal found 8/31![KLM logo]()
$746
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 8/31![Delta logo]()
$750
This Air Canada deal was found by Cheapflights users on 8/27. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
2 stops17h 30m
Wed 11/251:25 pm -
3 stops30h 47m
Deal found 8/27![Multiple Airlines logo]()
$766
This American Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/226:37 am -
2 stops18h 28m
Thu 10/2911:30 am -
1 stop32h 50m
Deal found 8/29![American Airlines logo]()
$801
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/116:50 pm -
1 stop35h 30m
Wed 10/211:15 pm -
2 stops54h 13m
Deal found 8/30![United Airlines logo]()
$742
This KLM deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 1/411:30 am -
2 stops20h 35m
Mon 1/118:30 pm -
2 stops27h 30m
Deal found 8/31![KLM logo]()
$766
This Air France deal was found by Cheapflights users on 8/27. 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.
Tue 2/91:10 pm -
2 stops22h 10m
Mon 2/221:10 pm -
2 stops37h 04m
Deal found 8/27![Multiple Airlines logo]()
$784
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/298:55 am -
2 stops24h 35m
Tue 10/136:45 am -
2 stops19h 48m
Deal found 8/30![Delta logo]()
$801
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/145:00 am -
2 stops20h 35m
Wed 10/211:30 pm -
2 stops34h 01m
Deal found 8/31![United Airlines logo]()
$744
This Air France deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 2/241:00 pm -
2 stops19h 20m
Sun 3/78:20 pm -
2 stops32h 07m
Deal found 8/29![Multiple Airlines logo]()
$797
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 11/188:59 am -
2 stops24h 26m
Thu 11/266:50 am -
2 stops18h 10m
Deal found 8/30![Delta logo]()
$801
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 11/75:44 pm -
2 stops31h 16m
Wed 11/183:10 pm -
1 stop15h 41m
Deal found 8/30![United Airlines logo]()
$751
This Iberia deal was found by Cheapflights users on 8/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:00 am -
2 stops17h 30m
Thu 1/215:40 pm -
2 stops56h 30m
Deal found 8/28![Iberia logo]()
$1,024
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 11/1811:32 am -
2 stops21h 53m
Fri 11/276:50 am -
2 stops23h 36m
Deal found 8/30![Delta logo]()
$801
This KLM deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/221:05 pm -
2 stops19h 20m
Thu 10/298:20 pm -
2 stops28h 56m
Deal found 8/29![Multiple Airlines logo]()
$808
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/64:28 pm -
2 stops21h 57m
Tue 10/206:40 am -
2 stops22h 06m
Deal found 8/28![United Airlines logo]()
$757
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/3010:37 am -
2 stops20h 43m
Sat 12/1212:20 pm -
1 stop33h 24m
Deal found 8/31![Delta logo]()
$810
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 1/175:00 am -
2 stops19h 35m
Thu 1/211:35 pm -
2 stops41h 48m
Deal found 8/28![United Airlines logo]()
$758
This Finnair deal was found by Cheapflights users on 8/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
1 stop23h 25m
Mon 10/197:25 pm -
2 stops25h 25m
Deal found 8/28![Multiple Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 12/87:25 am -
2 stops18h 20m
Tue 12/2912:20 pm -
2 stops29h 32m
Deal found 8/29![Delta logo]()
$835
Last-minute flights from Idaho to SpainDiscover last-minute flight deals from Idaho to Spain. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Spain. Data last updated August 31, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 9/245:00 am -
2 stops18h 00m
Thu 10/11:15 pm -
2 stops40h 34m
Deal found 8/27![United Airlines logo]()
$841
This Air France deal was found by Cheapflights users on 8/27. 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.
Thu 9/2411:10 am -
1 stop15h 00m
Thu 10/111:00 am -
1 stop19h 51m
Deal found 8/27![Multiple Airlines logo]()
$853
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/2411:10 am -
2 stops21h 00m
Thu 10/111:00 am -
1 stop19h 51m
Deal found 8/27![Delta logo]()
$858
This Finnair deal was found by Cheapflights users on 8/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:02 am -
1 stop18h 03m
Sun 10/43:55 pm -
1 stop27h 29m
Deal found 8/28![Multiple Airlines logo]()
$807
This KLM deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/282:11 pm -
1 stop14h 39m
Wed 10/141:20 pm -
1 stop16h 48m
Deal found 8/29![KLM logo]()
$737
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/285:30 am -
2 stops19h 05m
Wed 10/146:20 am -
2 stops18h 54m
Deal found 8/29![Delta logo]()
$742
This Expedia deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Mon 9/286:00 am -
1 stop18h 05m
Mon 10/59:00 pm -
2 stops47h 59m
Deal found 8/30![Iberia logo]()
$769
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/285:00 am -
2 stops19h 00m
Mon 10/512:45 pm -
2 stops31h 54m
Deal found 8/30![United Airlines logo]()
$800
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/283:59 pm -
2 stops18h 16m
Mon 10/56:00 am -
2 stops26h 59m
Deal found 8/30![Delta logo]()
$807
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/2810:30 am -
2 stops28h 55m
Mon 10/122:10 pm -
2 stops41h 49m
Deal found 8/27![United Airlines logo]()
$823
This Delta deal was found by Cheapflights users on 8/27. 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 9/298:55 am -
2 stops24h 35m
Tue 10/136:45 am -
2 stops19h 48m
Deal found 8/27![Delta logo]()
$801
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 9/292:20 pm -
2 stops25h 05m
Tue 10/136:50 am -
2 stops22h 45m
Deal found 8/27![United Airlines logo]()
$803
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 31, 2026.
Search for one-way flight options from Idaho to Spain. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Expedia deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/77:00 am -
1 stop18h 20m
Deal found 8/29![Iberia logo]()
$359
This American Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 2/73:24 pm -
2 stops17h 51m
Deal found 8/29![American Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/134:18 pm -
3 stops23h 41m
Deal found 8/29![Multiple Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 8/27. 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 12/3112:21 pm -
2 stops17h 19m
Deal found 8/27![American Airlines logo]()
$417
This Air Canada deal was found by Cheapflights users on 8/27. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/315:25 pm -
3 stops30h 35m
Deal found 8/27![Air Canada logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/278:22 pm -
3 stops39h 23m
Deal found 8/30![Multiple Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 8/27. 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 10/133:24 pm -
2 stops19h 16m
Deal found 8/27![American Airlines logo]()
$460
This TravelUp deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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.
Tue 10/138:08 am -
1 stop21h 07m
Deal found 8/29![Lufthansa logo]()
$461
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 8/31![United Airlines logo]()
$463
This Air Canada deal was found by Cheapflights users on 8/27. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:00 am -
3 stops20h 20m
Deal found 8/27![Air Canada logo]()
$472
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/305:30 am -
2 stops20h 00m
Deal found 8/30![Delta logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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.
Sat 9/196:47 pm -
2 stops33h 48m
Deal found 8/29![Multiple Airlines logo]()
$475
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 31, 2026.
Round-trip from | $712 (Expedia) |
|---|---|
One-way from | $359 (Expedia) |
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 7,457,451 searches. Data last updated August 31, 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
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
Wed 11/25
1:25 pm-12:12 pm
2 stops30h 47m
$712
SpokaneBarcelona
GEG Spokane - BCN Barcelona-El Prat
GEGBCN
Spokane
Tue 10/13
11:10 am-1:15 pm
1 stop17h 05m
Barcelona-El Prat
Fri 10/23
12:15 pm-8:49 pm
2 stops41h 34m
$726
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Mon 11/2
5:44 pm-7:45 am
2 stops30h 01m
Madrid Barajas
Tue 11/10
1:25 pm-11:31 am
2 stops30h 06m
$735
Quickest round-trip
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Mon 9/28
2:11 pm-12:50 pm
1 stop14h 39m
Barcelona-El Prat
Wed 10/14
1:20 pm-10:08 pm
1 stop16h 48m
$737
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Mon 9/28
5:30 am-8:35 am
2 stops19h 05m
Barcelona-El Prat
Wed 10/14
1:20 pm-9:54 am
1 stop28h 34m
$737
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Sun 10/11
6:50 pm-2:20 pm
1 stop35h 30m
Barcelona-El Prat
Wed 10/21
1:15 pm-11:28 am
2 stops54h 13m
$742
BoiseMadrid
BOI Boise Air Term. Gowen Fld - MAD Madrid Barajas
BOIMAD
Boise Air Term. Gowen Fld
Wed 10/14
5:00 am-9:35 am
2 stops20h 35m
Madrid Barajas
Wed 10/21
1:30 pm-3:31 pm
2 stops34h 01m
$744
BoiseBilbao
BOI Boise Air Term. Gowen Fld - BIO Bilbao
BOIBIO
Boise Air Term. Gowen Fld
Wed 2/17
5:40 am-11:30 am
2 stops21h 50m
Bilbao
Wed 2/24
6:50 am-11:55 pm
2 stops25h 05m
$746
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Sun 10/11
1:40 pm-12:50 pm
1 stop15h 10m
Barcelona-El Prat
Wed 10/21
1:20 pm-10:08 pm
1 stop16h 48m
$746
SpokaneBarcelona
GEG Spokane - BCN Barcelona-El Prat
GEGBCN
Spokane
Tue 10/13
11:18 am-3:35 pm
2 stops19h 17m
Barcelona-El Prat
Fri 10/23
1:20 pm-11:50 pm
1 stop19h 30m
$750
Showing 1-10 of 58 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
BOI-BCN
GEG-BCN
GEG-MAD
BOI-BIO
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
BOI-BCN
GEG-BCN
GEG-MAD
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
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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 31, 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 August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$483 | Average$1,002 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$489 | Average$882 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$498 | Average$782 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$528 | Average$891 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$856 | Average$865 | FlexibilityNo cancel fee | On-time67% |