$58+ Cheap flights from Boise (BOI) to Colorado
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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
Apr 3 — Apr 101
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boise to Colorado
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to ColoradoExplore the most affordable flight options available from Boise to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2026.
Explore the most affordable flight options available from Boise to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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.
Thu 4/212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Thu 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 3/3![Frontier logo]()
$141
This Booking.com deal was found by Cheapflights users on 2/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Sun 4/59:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/27![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Thu 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Sun 4/129:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/28![Frontier logo]()
$149
This Frontier deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2612:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Sun 3/299:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 3/2![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Sun 3/2912:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Sun 4/59:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/27![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 2/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Sun 3/299:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/27![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:21 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Sun 5/249:15 am
DEN
- BOI
Nonstop2h 01m
Frontier
Deal found 3/2![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Thu 4/1611:53 am
BOI
- DEN
Nonstop2h 03m
Multiple Airlines
Tue 4/217:00 am
DEN
- BOI
1 stop5h 22m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Tue 5/2612:21 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Tue 6/29:15 am
DEN
- BOI
Nonstop2h 01m
Frontier
Deal found 2/28![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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.
Thu 5/2812:21 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Sun 5/319:15 am
DEN
- BOI
Nonstop2h 01m
Frontier
Deal found 3/3![Frontier logo]()
$182
This Southwest deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 5/26:05 am
BOI
- COS
1 stop4h 45m
Southwest
Wed 5/67:05 am
COS
- BOI
1 stop3h 50m
Southwest
Deal found 3/2![Southwest logo]()
$271
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 3/316:15 am
BOI
- MTJ
1 stop6h 26m
United Airlines
Wed 4/13:37 pm
MTJ
- BOI
1 stop5h 45m
United Airlines
Deal found 3/1![United Airlines logo]()
$281
Best flights from Boise to ColoradoDiscover carefully curated flight deals from Boise to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 4, 2026.
Discover carefully curated flight deals from Boise to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 4, 2026.
This Delta deal was found by Cheapflights users on 2/27. 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 5/85:45 am
BOI
- DEN
1 stop6h 04m
Delta
Sun 5/106:05 am
DEN
- BOI
1 stop5h 30m
Delta
Deal found 2/27![Delta logo]()
$183
This Alaska Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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.
Tue 3/316:32 am
BOI
- DEN
1 stop10h 52m
Alaska Airlines
Tue 4/77:00 am
DEN
- BOI
1 stop8h 29m
Alaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$235
This Southwest deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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.
Wed 4/13:15 pm
BOI
- DEN
Nonstop1h 55m
Southwest
Sat 5/22:20 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Deal found 3/1![Southwest logo]()
$251
This United Airlines deal was found by Cheapflights users on 2/27. 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 3/316:15 am
BOI
- MTJ
1 stop6h 26m
United Airlines
Wed 4/17:15 am
MTJ
- BOI
1 stop6h 16m
United Airlines
Deal found 2/27![United Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 5/1312:15 pm
BOI
- DEN
1 stop5h 25m
Delta
Sun 5/176:05 am
DEN
- BOI
1 stop5h 30m
Delta
Deal found 3/1![Delta logo]()
$233
This Alaska Airlines deal was found by Cheapflights users on 2/28. 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.
Wed 4/87:20 am
BOI
- DEN
2 stops10h 04m
Alaska Airlines
Tue 4/147:00 am
DEN
- BOI
1 stop15h 57m
Alaska Airlines
Deal found 2/28![Alaska Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 2/28. 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.
Wed 4/83:15 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Tue 4/147:35 am
DEN
- BOI
1 stop5h 45m
Southwest
Deal found 2/28![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 5/27:05 am
BOI
- COS
1 stop5h 30m
Southwest
Wed 5/64:45 pm
COS
- BOI
1 stop6h 45m
Southwest
Deal found 3/3![Southwest logo]()
$271
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:46 pm
BOI
- COS
1 stop3h 40m
United Airlines
Sat 5/305:30 am
COS
- BOI
1 stop4h 15m
United Airlines
Deal found 3/3![United Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 2/27. 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 5/296:41 pm
BOI
- DEN
1 stop4h 00m
Delta
Sun 5/317:25 am
DEN
- BOI
1 stop7h 09m
Delta
Deal found 2/27![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Wed 3/252:40 pm
BOI
- DEN
Nonstop2h 00m
United Airlines
Sat 3/287:27 pm
DEN
- BOI
Nonstop2h 07m
United Airlines
Deal found 2/27![United Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 2/28. 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.
Wed 5/276:41 pm
BOI
- DEN
1 stop4h 00m
Delta
Sun 5/315:40 am
DEN
- BOI
1 stop3h 52m
Delta
Deal found 2/28![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 5/105:30 am
BOI
- DEN
1 stop5h 10m
Southwest
Fri 5/229:35 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Deal found 3/3![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 5/306:00 pm
BOI
- DEN
1 stop5h 52m
Delta
Sun 5/317:25 am
DEN
- BOI
1 stop7h 09m
Delta
Deal found 3/3![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 2/27. 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.
Fri 4/242:15 pm
BOI
- COS
1 stop5h 10m
Southwest
Sun 4/268:05 pm
COS
- BOI
1 stop5h 45m
Southwest
Deal found 2/27![Southwest logo]()
$331
This Southwest deal was found by Cheapflights users on 2/27. 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.
Wed 6/35:15 pm
BOI
- COS
1 stop5h 05m
Southwest
Mon 6/82:20 pm
COS
- BOI
2 stops6h 50m
Southwest
Deal found 2/27![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 7/75:45 pm
BOI
- COS
1 stop4h 44m
Delta
Tue 7/145:55 pm
COS
- BOI
1 stop6h 01m
Delta
Deal found 3/2![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:40 pm
BOI
- MTJ
1 stop5h 30m
United Airlines
Wed 6/37:25 am
MTJ
- BOI
1 stop6h 09m
United Airlines
Deal found 3/3![United Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 2/27. 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 8/135:45 pm
BOI
- COS
1 stop4h 44m
Delta
Sun 8/168:00 am
COS
- BOI
1 stop6h 34m
Delta
Deal found 2/27![Delta logo]()
$367
This Southwest deal was found by Cheapflights users on 2/27. 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 8/137:30 am
BOI
- COS
2 stops8h 10m
Southwest
Mon 8/176:45 pm
COS
- BOI
1 stop4h 50m
Southwest
Deal found 2/27![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 2/28. 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 3/156:15 am
BOI
- MTJ
1 stop6h 17m
United Airlines
Thu 3/197:36 am
MTJ
- BOI
1 stop5h 56m
United Airlines
Deal found 2/28![United Airlines logo]()
$551
This Southwest deal was found by Cheapflights users on 2/28. 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.
Fri 5/18:50 am
BOI
- MTJ
2 stops10h 20m
Southwest
Mon 5/48:10 am
MTJ
- BOI
2 stops7h 30m
Southwest
Deal found 2/28![Southwest logo]()
$431
Last-minute flights from Boise to ColoradoDiscover last-minute flight deals from Boise to Colorado. Data last updated March 4, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Colorado. Data last updated March 4, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Sun 3/299:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/27![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2612:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Sun 3/299:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 3/2![Frontier logo]()
$150
This United Airlines deal was found by Cheapflights users on 2/28. 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 3/285:00 am
BOI
- COS
1 stop6h 01m
United Airlines
Sat 4/45:13 pm
COS
- BOI
1 stop4h 21m
United Airlines
Deal found 2/28![United Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Sun 3/2912:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Sun 4/59:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/27![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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.
Thu 4/212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Thu 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 3/3![Frontier logo]()
$141
This Booking.com deal was found by Cheapflights users on 2/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Sun 4/59:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/27![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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.
Thu 4/26:32 am
BOI
- DEN
1 stop5h 48m
Multiple Airlines
Thu 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 2/27. 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 4/710:35 am
BOI
- DEN
1 stop6h 55m
Delta
Fri 4/176:55 am
DEN
- BOI
1 stop6h 17m
Delta
Deal found 2/27![Delta logo]()
$183
This Travelocity deal was found by Cheapflights users on 2/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:32 am
BOI
- DEN
1 stop17h 12m
Multiple Airlines
Thu 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Thu 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Sun 4/129:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/28![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Thu 4/1611:53 am
BOI
- DEN
Nonstop2h 03m
Multiple Airlines
Tue 4/217:00 am
DEN
- BOI
1 stop5h 22m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$174
This Expedia deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/166:04 pm
BOI
- DEN
1 stop5h 52m
Multiple Airlines
Sun 4/199:10 am
DEN
- BOI
Nonstop1h 58m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$191
One-way flights from Boise to ColoradoSearch for one-way flight options from Boise to Colorado. Find affordable one-way fares based on user searches. Data last updated March 4, 2026.
Search for one-way flight options from Boise to Colorado. Find affordable one-way fares based on user searches. Data last updated March 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Thu 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 2/27![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Thu 3/2612:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/27![Frontier logo]()
$66
This Priceline deal was found by Cheapflights users on 2/27. 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 4/212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 2/27![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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.
Thu 4/1611:53 am
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/3![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Sun 4/1911:53 am
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 2/27![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 2/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1212:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/27![Frontier logo]()
$79
This Trip.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 3/3![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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.
Thu 6/1112:21 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 3/4![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/512:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/3![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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.
Thu 5/1411:53 am
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/4![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 5/2612:21 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 3/1![Frontier logo]()
$87
This United Airlines deal was found by Cheapflights users on 2/28. 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 3/286:15 am
BOI
- COS
1 stop4h 46m
United Airlines
Deal found 2/28![United Airlines logo]()
$136
Find flight deals from Boise to Colorado
Keep the following information in mind while searching for Boise to Colorado flight deals. Data was last updated March 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $141 (Kiwi.com) |
One-way from | $58 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $310 |
Good round-trip deal | $367 or less |
Good one-way deal | $180 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 2,558,603 searches. Data last updated March 4, 2026.
Use the filters below to find and compare flights from Boise to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Fri 5/8
5:45 am-11:49 am
1 stop6h 04m
Denver Intl
Sun 5/10
6:05 am-11:35 am
1 stop5h 30m
$183
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 5/13
12:15 pm-5:40 pm
1 stop5h 25m
Denver Intl
Sun 5/17
6:05 am-11:35 am
1 stop5h 30m
$233
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 3/31
6:32 am-5:24 pm
1 stop10h 52m
Denver Intl
Tue 4/7
7:00 am-3:29 pm
1 stop8h 29m
$235
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 4/8
7:20 am-5:24 pm
2 stops10h 04m
Denver Intl
Tue 4/14
7:00 am-10:57 pm
1 stop15h 57m
$238
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 4/1
3:15 pm-5:10 pm
Nonstop1h 55m
Denver Intl
Sat 5/2
2:20 pm-4:15 pm
Nonstop1h 55m
$251
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 4/8
3:15 pm-5:05 pm
Nonstop1h 50m
Denver Intl
Tue 4/14
7:35 am-1:20 pm
1 stop5h 45m
$261
BoiseColorado Springs
BOI - COS
BOICOS
Boise Air Term. Gowen Fld
Sat 5/2
7:05 am-12:35 pm
1 stop5h 30m
Colorado Springs
Wed 5/6
4:45 pm-11:30 pm
1 stop6h 45m
$271
BoiseMontrose
BOI - MTJ
BOIMTJ
Boise Air Term. Gowen Fld
Tue 3/31
6:15 am-12:41 pm
1 stop6h 26m
Montrose County
Wed 4/1
7:15 am-1:31 pm
1 stop6h 16m
$281
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Fri 5/29
6:41 pm-10:41 pm
1 stop4h 00m
Denver Intl
Sun 5/31
7:25 am-2:34 pm
1 stop7h 09m
$297
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 5/27
6:41 pm-10:41 pm
1 stop4h 00m
Denver Intl
Sun 5/31
5:40 am-9:32 am
1 stop3h 52m
$297
Showing 1-10 of 45 resultsSorted by cheapest first
Best time to book a flight from Boise to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Boise with our price prediction graph.
BOI-DEN
BOI-COS
BOI-MTJ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boise to Colorado
BOI-USCO
BOI-DEN
BOI-COS
BOI-MTJ
What is the cheapest month to book a flight from Boise to Colorado?
Currently, February is the cheapest month in which you can book a flight from Boise to Colorado (average of $57). Flying from Boise to Colorado in April is currently the most expensive (average of $196). 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 BOI to CO?
Find hourly flight availability from Boise 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 March 4, 2026.
It’s optimal to fly from Boise to Colorado in the evening. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight at noon.
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 March 4, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Boise to Colorado have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Overall
8.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Boise to Colorado. 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
Top destinations
Alternative routes for Boise 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 Boise to Colorado by cabin class
Find flights from Boise to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Colorado flights
Browse other Boise and Colorado flight options. Last updated on March 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boise to Colorado flights
Consider these flights traveling from Boise to Colorado.
Top 5 airlines flying from Boise to Colorado
Discover the top 5 airlines that operate flights from Boise 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 2,558,603 searches. Data last updated March 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$52 | Average$122 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$111 | Average$276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$154 | Average$273 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$162 | Average$381 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$187 | Average$406 | FlexibilityNo cancel fee | On-time63% |