$54+ Cheap flights from Boise to Denver (BOI - DEN)
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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Denver 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.Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Denver Intl are usually found in October or February, booked 51 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Boise to Denver
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Best
Last-minute
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Cheapest flights from Boise to DenverExplore the most affordable flight options available from Boise to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
Explore the most affordable flight options available from Boise to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/1712:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Sun 9/2010:30 pm
DEN
- BOI
1 stop16h 27m
Frontier
Deal found 7/22![Frontier logo]()
$200
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/115:40 pm
BOI
- DEN
Nonstop2h 01m
United Airlines
Sat 9/1211:35 am
DEN
- BOI
Nonstop2h 00m
United Airlines
Deal found 7/22![United Airlines logo]()
$202
This Priceline deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:23 pm
BOI
- DEN
1 stop5h 17m
Multiple Airlines
Tue 8/1810:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:52 pm
BOI
- DEN
2 stops20h 14m
Frontier
Mon 9/148:30 am
DEN
- BOI
1 stop6h 27m
Frontier
Deal found 7/23![Frontier logo]()
$204
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/173:45 pm
BOI
- DEN
1 stop7h 25m
Southwest
Tue 8/189:15 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Deal found 7/22![Southwest logo]()
$207
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:05 am
BOI
- DEN
2 stops6h 30m
Southwest
Tue 9/19:15 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Deal found 7/26![Southwest logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 8/274:28 pm
BOI
- DEN
1 stop5h 18m
Multiple Airlines
Thu 9/39:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$209
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 8/1810:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 7/25![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Sun 9/2710:45 pm
DEN
- BOI
2 stops16h 12m
Frontier
Deal found 7/23![Frontier logo]()
$211
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/93:40 pm
BOI
- DEN
1 stop5h 40m
Southwest
Fri 9/119:00 am
DEN
- BOI
Nonstop1h 50m
Southwest
Deal found 7/22![Southwest logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/181:24 pm
BOI
- DEN
Nonstop2h 06m
Multiple Airlines
Sat 8/228:08 am
DEN
- BOI
1 stop5h 13m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 8/246:00 am
BOI
- DEN
1 stop5h 07m
Multiple Airlines
Thu 9/39:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$214
Best flights from Boise to DenverDiscover carefully curated flight deals from Boise to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from Boise to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:05 am
BOI
- DEN
1 stop6h 35m
Southwest
Thu 8/272:20 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Deal found 7/24![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BOI
- DEN
1 stop6h 04m
Delta
Thu 8/275:35 am
DEN
- BOI
1 stop6h 39m
Delta
Deal found 7/23![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Mon 8/175:44 pm
BOI
- DEN
Nonstop2h 01m
United Airlines
Thu 8/208:32 pm
DEN
- BOI
Nonstop2h 08m
United Airlines
Deal found 7/25![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 9/308:03 am
BOI
- DEN
1 stop6h 03m
Alaska Airlines
Fri 10/23:04 pm
DEN
- BOI
1 stop7h 34m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:25 pm
BOI
- DEN
Nonstop1h 55m
Southwest
Thu 9/176:25 am
DEN
- BOI
1 stop6h 50m
Southwest
Deal found 7/23![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:45 pm
BOI
- DEN
1 stop4h 10m
Delta
Thu 8/205:35 am
DEN
- BOI
1 stop4h 13m
Delta
Deal found 7/24![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:35 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Wed 9/162:00 pm
DEN
- BOI
2 stops8h 30m
Southwest
Deal found 7/26![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/32:55 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Sun 9/68:40 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Deal found 7/22![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/142:55 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Tue 8/189:05 am
DEN
- BOI
Nonstop1h 50m
Southwest
Deal found 7/22![Southwest logo]()
$262
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:15 am
BOI
- DEN
2 stops7h 50m
Southwest
Sun 12/65:00 am
DEN
- BOI
1 stop4h 50m
Southwest
Deal found 7/26![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/42:55 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Mon 9/76:25 am
DEN
- BOI
1 stop6h 50m
Southwest
Deal found 7/22![Southwest logo]()
$289
Last-minute flights from Boise to DenverDiscover last-minute flight deals from Boise to Denver. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Denver. Data last updated July 27, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/61:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Sun 8/910:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 7/22![Frontier logo]()
$218
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 8/1810:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 7/25![Frontier logo]()
$210
This Priceline deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:23 pm
BOI
- DEN
1 stop5h 17m
Multiple Airlines
Tue 8/1810:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/173:45 pm
BOI
- DEN
1 stop7h 25m
Southwest
Tue 8/189:15 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Deal found 7/22![Southwest logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/181:24 pm
BOI
- DEN
Nonstop2h 06m
Multiple Airlines
Sat 8/228:08 am
DEN
- BOI
1 stop5h 13m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$213
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:50 am
BOI
- DEN
2 stops9h 20m
Southwest
Tue 8/259:15 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Deal found 7/26![Southwest logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 8/246:00 am
BOI
- DEN
1 stop5h 07m
Multiple Airlines
Thu 9/39:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$214
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:05 am
BOI
- DEN
2 stops6h 30m
Southwest
Tue 9/19:15 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Deal found 7/26![Southwest logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 8/274:28 pm
BOI
- DEN
1 stop5h 18m
Multiple Airlines
Thu 9/39:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/306:00 am
BOI
- DEN
1 stop5h 07m
Multiple Airlines
Thu 9/39:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$220
One-way flights from Boise to DenverSearch for one-way flight options from Boise to Denver. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from Boise to Denver. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Expedia deal was found by Cheapflights users on 7/26. 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.
Thu 8/2712:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 7/26![Frontier logo]()
$54
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 7/26![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:52 pm
BOI
- DEN
1 stop12h 00m
Frontier
Deal found 7/23![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 10/53:52 pm
BOI
- DEN
1 stop20h 54m
Frontier
Deal found 7/26![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 9/283:52 pm
BOI
- DEN
1 stop7h 52m
Frontier
Deal found 7/26![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 11/163:52 pm
BOI
- DEN
1 stop21h 57m
Frontier
Deal found 7/25![Frontier logo]()
$93
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:25 pm
BOI
- DEN
Nonstop1h 55m
Southwest
Deal found 7/24![Southwest logo]()
$99
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:55 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Deal found 7/23![Southwest logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 9/242:50 pm
BOI
- DEN
1 stop8h 54m
Frontier
Deal found 7/26![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Fri 9/252:50 pm
BOI
- DEN
1 stop19h 17m
Frontier
Deal found 7/26![Frontier logo]()
$108
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/279:05 am
BOI
- DEN
2 stops6h 30m
Southwest
Deal found 7/22![Southwest logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:52 pm
BOI
- DEN
2 stops25h 40m
Frontier
Deal found 7/24![Frontier logo]()
$110
Find flight deals from Boise to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (Kiwi.com) |
One-way from | $54 (Expedia) |
Popular in | April |
Cheapest in | October |
Average price | $321 |
Good round-trip deal | $349 or less |
Good one-way deal | $213 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Denver 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 July 27, 2026.
Use the filters below to find and compare flights from Boise to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 8/26
7:05 am-1:40 pm
1 stop6h 35m
Denver Intl
Thu 8/27
2:20 pm-4:15 pm
Nonstop1h 55m
$207
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 9/15
2:25 pm-4:20 pm
Nonstop1h 55m
Denver Intl
Thu 9/17
6:25 am-1:15 pm
1 stop6h 50m
$207
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 9/9
12:35 pm-2:25 pm
Nonstop1h 50m
Denver Intl
Wed 9/16
2:00 pm-10:30 pm
2 stops8h 30m
$212
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 8/25
6:00 am-12:04 pm
1 stop6h 04m
Denver Intl
Thu 8/27
5:35 am-12:14 pm
1 stop6h 39m
$217
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Mon 8/17
6:45 pm-10:55 pm
1 stop4h 10m
Denver Intl
Thu 8/20
5:35 am-9:48 am
1 stop4h 13m
$227
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Thu 9/3
2:55 pm-4:45 pm
Nonstop1h 50m
Denver Intl
Sun 9/6
8:40 pm-10:35 pm
Nonstop1h 55m
$257
Quickest round-trip
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Fri 8/14
2:55 pm-4:45 pm
Nonstop1h 50m
Denver Intl
Tue 8/18
9:05 am-10:55 am
Nonstop1h 50m
$262
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Mon 8/17
5:44 pm-7:45 pm
Nonstop2h 01m
Denver Intl
Thu 8/20
8:32 pm-10:40 pm
Nonstop2h 08m
$277
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 9/30
8:03 am-2:06 pm
1 stop6h 03m
Denver Intl
Fri 10/2
3:04 pm-10:38 pm
1 stop7h 34m
$287
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 12/2
6:15 am-2:05 pm
2 stops7h 50m
Denver Intl
Sun 12/6
5:00 am-9:50 am
1 stop4h 50m
$287
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Boise to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Denver in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Boise with our price prediction graph.
BOI-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 Boise to Denver
Prices
Airlines
How far ahead should I book a flight from Boise to Denver?
The price you pay for your flight from Boise to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Boise to Denver?
Currently, October is the cheapest month in which you can book a flight from Boise to Denver (average of $201). Flying from Boise to Denver in April is currently the most expensive (average of $347). 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 DEN?
Find hourly flight availability from Boise to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.
A simple way to save on the total cost of your ticket is to fly from Boise to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight in the morning.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated July 27, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Boise to Denver. 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
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Boise to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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Complete your trip
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Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 27, 2026.
Search flights from Boise to Denver by cabin class
Find flights from Boise to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Denver flights
Browse other Boise and Denver flight options. Last updated on July 27, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on July 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Boise to Denver
Discover the top 4 airlines that operate flights from Boise to Denver. 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 July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$53 | Average$149 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$104 | Average$218 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$183 | Average$320 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$321 | FlexibilityNo cancel fee | On-time63% |