$66+ Cheap flights from Idaho to Colorado
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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Colorado 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 ColoradoExplore the most affordable flight options available from Idaho to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Idaho to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 12/177:31 am -
Nonstop2h 19m
Wed 12/307:40 am -
Nonstop2h 19m
Deal found 10/26![United Airlines logo]()
$212
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 11/236:00 am -
1 stop6h 03m
Fri 11/276:25 am -
1 stop5h 59m
Deal found 10/27![Delta logo]()
$215
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/196:30 am -
Nonstop1h 58m
Sun 11/227:41 am -
Nonstop2h 11m
Deal found 10/28![United Airlines logo]()
$217
This Orbitz deal was found by Cheapflights users on 10/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:20 pm -
1 stop19h 01m
Thu 12/37:25 am -
2 stops11h 36m
Deal found 10/28![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Wed 11/257:55 pm -
1 stop4h 59m
Wed 12/21:54 pm -
2 stops29h 07m
Deal found 10/28![Frontier logo]()
$222
This Expedia deal was found by Cheapflights users on 10/27. 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.
Thu 11/191:53 pm -
1 stop8h 45m
Sun 11/229:34 am -
1 stop9h 26m
Deal found 10/27![Multiple Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 10/26. 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.
Sat 12/198:30 am -
1 stop6h 24m
Mon 12/285:20 am -
1 stop4h 32m
Deal found 10/26![Delta logo]()
$228
This Expedia deal was found by Cheapflights users on 10/27. 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.
Mon 11/166:43 pm -
1 stop18h 14m
Thu 11/197:30 am -
1 stop6h 24m
Deal found 10/27![Multiple Airlines logo]()
$233
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/266:30 am -
Nonstop1h 58m
Wed 12/27:48 am -
Nonstop2h 11m
Deal found 10/26![United Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/95:35 pm -
Nonstop2h 06m
Mon 12/147:20 pm -
Nonstop2h 07m
Deal found 10/29![United Airlines logo]()
$236
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 12/36:04 am -
1 stop3h 39m
Sat 12/56:11 pm -
1 stop3h 35m
Deal found 10/29![Delta logo]()
$251
This Delta deal was found by Cheapflights users on 10/26. 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.
Tue 11/246:04 am -
1 stop3h 36m
Fri 11/276:10 pm -
1 stop3h 37m
Deal found 10/26![Delta logo]()
$277
Best flights from Idaho to ColoradoDiscover carefully curated flight deals from Idaho to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Idaho to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/276:30 am -
Nonstop1h 58m
Fri 12/47:48 am -
Nonstop2h 11m
Deal found 10/29![United Airlines logo]()
$248
This Southwest deal was found by Cheapflights users on 10/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:40 am -
Nonstop1h 45m
Thu 12/36:50 am -
1 stop5h 15m
Deal found 10/28![Southwest logo]()
$250
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 12/36:04 am -
1 stop3h 39m
Sat 12/56:11 pm -
1 stop3h 35m
Deal found 10/29![Delta logo]()
$251
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:57 am -
2 stops13h 42m
Wed 12/161:54 pm -
1 stop8h 33m
Deal found 10/25![Alaska Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 10/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:06 am -
1 stop5h 22m
Fri 11/136:00 am -
1 stop7h 23m
Deal found 10/25![American Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:05 pm -
Nonstop1h 45m
Mon 11/235:00 am -
1 stop4h 50m
Deal found 10/25![Southwest logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:49 pm -
2 stops11h 10m
Mon 11/236:51 pm -
1 stop14h 53m
Deal found 10/25![Alaska Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 10/26. 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.
Tue 11/246:04 am -
1 stop3h 36m
Fri 11/276:10 pm -
1 stop3h 37m
Deal found 10/26![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 12/102:48 pm -
Nonstop1h 57m
Mon 12/287:40 am -
Nonstop2h 19m
Deal found 10/28![United Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 1/226:04 am -
1 stop3h 40m
Mon 1/255:20 am -
1 stop5h 25m
Deal found 10/27![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 11/215:44 pm -
Nonstop1h 58m
Mon 11/2311:38 am -
Nonstop2h 07m
Deal found 10/27![United Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:30 am -
1 stop4h 20m
Tue 11/171:10 pm -
Nonstop2h 00m
Deal found 10/25![Southwest logo]()
$315
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 11/206:45 pm -
1 stop4h 24m
Mon 11/305:25 am -
1 stop5h 17m
Deal found 10/27![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/36:06 am -
1 stop5h 22m
Fri 11/1311:58 am -
1 stop7h 26m
Deal found 10/27![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/95:35 pm -
Nonstop2h 06m
Mon 12/147:20 pm -
Nonstop2h 07m
Deal found 10/29![United Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 10/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/243:30 pm -
Nonstop1h 40m
Sun 12/276:35 pm -
1 stop7h 00m
Deal found 10/27![Southwest logo]()
$360
This Delta deal was found by Cheapflights users on 10/25. 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.
Tue 11/246:00 am -
1 stop3h 40m
Thu 11/263:00 pm -
1 stop3h 34m
Deal found 10/25![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/217:37 pm -
1 stop15h 12m
Mon 1/251:45 pm -
2 stops20h 56m
Deal found 10/28![Alaska Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/246:20 am -
Nonstop2h 02m
Sun 12/277:40 am -
Nonstop2h 19m
Deal found 10/27![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 12/186:59 pm -
1 stop4h 15m
Sun 12/206:33 pm -
1 stop4h 30m
Deal found 10/29![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:50 pm -
1 stop5h 55m
Tue 1/55:35 pm -
1 stop5h 40m
Deal found 10/25![Southwest logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:51 am -
2 stops25h 05m
Wed 12/912:08 pm -
1 stop23h 01m
Deal found 10/28![Alaska Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 11/255:30 pm -
Nonstop1h 50m
Sat 11/2812:20 am -
Nonstop1h 47m
Deal found 10/26![United Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2410:43 am -
1 stop6h 47m
Tue 12/296:00 am -
1 stop28h 01m
Deal found 10/29![Alaska Airlines logo]()
$471
This Southwest deal was found by Cheapflights users on 10/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:10 pm -
1 stop5h 05m
Tue 12/13:05 pm -
1 stop6h 35m
Deal found 10/27![Southwest logo]()
$442
This Delta deal was found by Cheapflights users on 10/25. 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.
Tue 3/236:04 am -
1 stop3h 40m
Thu 4/153:40 pm -
1 stop6h 06m
Deal found 10/25![Delta logo]()
$407
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/215:30 pm -
Nonstop1h 50m
Mon 11/238:00 am -
Nonstop1h 53m
Deal found 10/29![United Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:51 am -
1 stop6h 35m
Tue 12/812:08 pm -
1 stop23h 01m
Deal found 10/26![Alaska Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 12/2510:35 am -
Nonstop1h 56m
Wed 12/301:43 pm -
Nonstop1h 55m
Deal found 10/27![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:35 pm -
1 stop5h 00m
Tue 11/173:05 pm -
1 stop6h 35m
Deal found 10/29![Southwest logo]()
$481
Last-minute flights from Idaho to ColoradoDiscover last-minute flight deals from Idaho to Colorado. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Colorado. Data last updated October 30, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:49 pm -
1 stop8h 55m
Sun 11/87:30 am -
1 stop6h 24m
Deal found 10/27![Frontier logo]()
$360
This Expedia deal was found by Cheapflights users on 10/26. 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.
Mon 11/96:43 pm -
1 stop18h 14m
Thu 11/127:30 am -
1 stop6h 24m
Deal found 10/26![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/167:47 pm -
1 stop14h 01m
Mon 11/2310:29 pm -
2 stops37h 17m
Deal found 10/27![Multiple Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/165:30 pm -
Nonstop1h 50m
Mon 11/238:00 am -
Nonstop1h 53m
Deal found 10/26![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 10/25. 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.
Wed 11/186:57 pm -
1 stop4h 12m
Thu 11/263:00 pm -
1 stop3h 34m
Deal found 10/25![Delta logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:25 pm -
1 stop16h 36m
Tue 12/18:46 pm -
2 stops42h 29m
Deal found 10/25![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:25 pm -
1 stop11h 18m
Tue 12/18:46 pm -
2 stops42h 29m
Deal found 10/25![Multiple Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/232:35 pm -
Nonstop1h 45m
Mon 11/308:00 am -
Nonstop1h 53m
Deal found 10/26![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 10/26. 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.
Tue 11/246:04 am -
1 stop3h 36m
Fri 11/276:10 pm -
1 stop3h 37m
Deal found 10/26![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/286:45 pm -
1 stop3h 37m
Thu 12/36:05 pm -
1 stop4h 00m
Deal found 10/28![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/286:45 pm -
1 stop3h 37m
Fri 12/46:05 pm -
1 stop6h 21m
Deal found 10/28![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 10/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:10 pm -
1 stop5h 05m
Thu 12/34:15 pm -
1 stop6h 20m
Deal found 10/28![Southwest logo]()
$381
One-way flights from Idaho to ColoradoSearch for one-way flight options from Idaho to Colorado. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Idaho to Colorado. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/173:55 pm -
Nonstop1h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Southwest logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:55 pm -
1 stop4h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$78
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:44 pm -
Nonstop1h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:15 pm -
1 stop17h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$84
This Jetabroad deal was found by Cheapflights users on 10/25. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/257:53 pm -
1 stop13h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$87
This Delta deal was found by Cheapflights users on 10/25. 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.
Thu 12/171:07 pm -
1 stop4h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/227:53 pm -
2 stops20h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$91
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:40 pm -
2 stops9h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Southwest logo]()
$94
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/133:55 pm -
Nonstop1h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Southwest logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/118:44 pm -
2 stops17h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:08 pm -
2 stops45h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 12/147:58 pm -
2 stops36h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$116
Find flight deals from Idaho to Colorado
Keep the following information in mind while searching for Idaho to Colorado flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Alaska Airlines) |
One-way from | $66 (Southwest) |
Popular in | September |
Cheapest in | February |
Average price | $320 |
Good round-trip deal | $394 or less |
Good one-way deal | $276 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Colorado 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 October 30, 2026.
Use the filters below to find and compare flights from Idaho to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Thu 12/24
3:30 pm-5:10 pm
Nonstop1h 40m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Wed 12/16
8:56 am-2:24 pm
1 stop5h 28m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Mon 1/11
12:48 pm-6:56 pm
1 stop6h 08m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Wed 1/13
6:37 am-1:57 pm
1 stop7h 20m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Tue 11/24
7:55 pm-12:55 pm
2 stops41h 00m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$137
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Sun 11/22
7:55 pm-9:23 am
2 stops37h 28m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
LewistonDenver
LWS Lewiston Nez Perce Rgnl - DEN Denver Intl
LWSDEN
Lewiston Nez Perce Rgnl
Thu 11/26
12:24 pm-5:08 pm
1 stop3h 44m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$160
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Thu 12/3
10:16 am-9:28 pm
2 stops11h 12m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$172
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Tue 12/29
6:20 am-8:22 am
Nonstop2h 02m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$175
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Sat 12/19
5:25 pm-7:42 pm
Nonstop2h 17m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$178
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Idaho with our price prediction graph.
BOI-DEN
LWS-DEN
IDA-DEN
BOI-COS
PIH-DEN
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 Colorado
USID-USCO
BOI-DEN
LWS-DEN
IDA-DEN
BOI-COS
What is the cheapest month to book a flight from Idaho to Colorado?
Currently, February is the cheapest month in which you can book a flight from Idaho to Colorado (average of $260). Flying from Idaho to Colorado in July is currently the most expensive (average of $356). 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.
What is the cheapest time of day to fly from ID to CO?
Find hourly flight availability from Idaho to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
When flying from Idaho to Colorado, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 27% versus a flight in the evening.
How much does it cost to fly round-trip from Idaho to Colorado?
Airfare is typical for this route at the moment.
Idaho to Colorado flights typically cost between $199 and $381 in January.The cheapest round-trip price found within the last 5 days was $210 on Alaska Airlines (Jan 31-Feb 5).
How far ahead should I book a flight from Idaho to Colorado?
The best time to book flights from Idaho to Colorado is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated October 30, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Idaho to Colorado have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.4
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.4
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.4
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.4
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.4
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Idaho to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Idaho to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Colorado by cabin class
Find flights from Idaho to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Colorado flights
Browse other Idaho and Colorado flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Colorado
Find the right flight back to Idaho after your stay in Colorado
Idaho to Colorado flights
Consider these flights traveling from Idaho to Colorado.
Top 4 airlines flying from Idaho to Colorado
Discover the top 4 airlines that operate flights from Idaho to Colorado. 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$157 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$111 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$189 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$220 | Average$413 | FlexibilityNo cancel fee | On-time63% |