$51+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
Jul 13 — Jul 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 August, booked 71 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Boise to Denver
Cheapest
Best
Last-minute
One-way
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 June 13, 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 June 13, 2026.
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 7/2810:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/10![Frontier logo]()
$174
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
Tue 9/2912:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Tue 10/69:55 am
DEN
- BOI
Nonstop2h 09m
Frontier
Deal found 6/10![Frontier logo]()
$178
This Priceline deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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.
Tue 9/2912:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Thu 10/18:30 am
DEN
- BOI
1 stop6h 27m
Frontier
Deal found 6/11![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/301:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 8/410:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/13![Frontier logo]()
$181
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/31:04 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Sun 9/610:08 am
DEN
- BOI
Nonstop2h 01m
Frontier
Deal found 6/10![Frontier logo]()
$185
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:04 pm
BOI
- DEN
Nonstop2h 05m
Multiple Airlines
Sat 8/221:43 pm
DEN
- BOI
1 stop6h 37m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$186
This Frontier deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/1512:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Thu 9/179:55 am
DEN
- BOI
Nonstop2h 09m
Frontier
Deal found 6/8![Frontier logo]()
$187
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 7/1410:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/9![Frontier logo]()
$189
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Thu 7/3010:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/9![Frontier logo]()
$191
This Travelocity deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/111:24 pm
BOI
- DEN
Nonstop2h 06m
Multiple Airlines
Fri 8/146:00 am
DEN
- BOI
1 stop7h 46m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$201
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 June 13, 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 June 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 11/34:09 pm
BOI
- DEN
1 stop5h 19m
Alaska Airlines
Thu 11/57:50 am
DEN
- BOI
1 stop5h 07m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$225
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/42:20 pm
BOI
- DEN
2 stops7h 00m
Southwest
Sat 8/84:10 pm
DEN
- BOI
1 stop5h 50m
Southwest
Deal found 6/8![Southwest logo]()
$236
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:40 pm
BOI
- DEN
1 stop3h 51m
Delta
Sun 10/45:30 am
DEN
- BOI
1 stop4h 31m
Delta
Deal found 6/8![Delta logo]()
$273
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/156:30 am
BOI
- DEN
Nonstop1h 59m
United Airlines
Sat 7/188:25 pm
DEN
- BOI
Nonstop2h 12m
United Airlines
Deal found 6/8![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 10/136:25 am
BOI
- DEN
2 stops7h 55m
Southwest
Sat 10/176:25 am
DEN
- BOI
1 stop6h 45m
Southwest
Deal found 6/9![Southwest logo]()
$236
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/118:00 pm
BOI
- DEN
1 stop14h 33m
Alaska Airlines
Fri 8/149:08 pm
DEN
- BOI
1 stop12h 29m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/306:42 pm
BOI
- DEN
1 stop3h 58m
Delta
Tue 8/45:35 am
DEN
- BOI
1 stop4h 13m
Delta
Deal found 6/13![Delta logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 9/56:49 pm
BOI
- DEN
1 stop17h 31m
Alaska Airlines
Tue 9/86:17 am
DEN
- BOI
1 stop7h 45m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/216:00 am
BOI
- DEN
2 stops6h 35m
Southwest
Tue 7/288:55 pm
DEN
- BOI
Nonstop2h 05m
Southwest
Deal found 6/10![Southwest logo]()
$278
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 10/2311:45 am
BOI
- DEN
Nonstop1h 45m
Southwest
Sun 10/258:35 am
DEN
- BOI
Nonstop1h 55m
Southwest
Deal found 6/10![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/2012:20 pm
BOI
- DEN
1 stop8h 10m
Southwest
Thu 7/235:45 am
DEN
- BOI
1 stop5h 40m
Southwest
Deal found 6/11![Southwest logo]()
$317
Last-minute flights from Boise to DenverDiscover last-minute flight deals from Boise to Denver. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Denver. Data last updated June 13, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 7/1410:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/9![Frontier logo]()
$189
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/91:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Sun 7/1210:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/11![Frontier logo]()
$228
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/121:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 7/1410:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/10![Frontier logo]()
$216
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/161:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 7/2110:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/10![Frontier logo]()
$206
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/191:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Thu 7/2310:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/11![Frontier logo]()
$226
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 7/2810:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/10![Frontier logo]()
$174
This deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Thu 7/2310:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/12![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/231:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Sun 7/2610:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/10![Frontier logo]()
$218
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Thu 7/3010:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/9![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/301:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 8/410:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/13![Frontier logo]()
$181
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 June 13, 2026.
Search for one-way flight options from Boise to Denver. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/41:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/10![Frontier logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/111:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/12![Frontier logo]()
$60
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/1012:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Deal found 6/11![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 8/271:04 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 6/12![Frontier logo]()
$73
This Priceline deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/61:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/10![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/71:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/10![Frontier logo]()
$87
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/125:00 am
BOI
- DEN
Nonstop2h 10m
United Airlines
Deal found 6/11![United Airlines logo]()
$96
This Frontier deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 6/301:25 pm
BOI
- DEN
Nonstop2h 23m
Frontier
Deal found 6/8![Frontier logo]()
$102
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 June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $174 (Expedia) |
One-way from | $51 (Frontier) |
Popular in | April |
Cheapest in | October |
Average price | $317 |
Good round-trip deal | $367 or less |
Good one-way deal | $185 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 June 13, 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
Tue 11/3
4:09 pm-9:28 pm
1 stop5h 19m
Denver Intl
Thu 11/5
7:50 am-12:57 pm
1 stop5h 07m
$225
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 8/4
2:20 pm-9:20 pm
2 stops7h 00m
Denver Intl
Sat 8/8
4:10 pm-10:00 pm
1 stop5h 50m
$236
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 10/13
6:25 am-2:20 pm
2 stops7h 55m
Denver Intl
Sat 10/17
6:25 am-1:10 pm
1 stop6h 45m
$236
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 8/11
8:00 pm-10:33 am
1 stop14h 33m
Denver Intl
Fri 8/14
9:08 pm-9:37 am
1 stop12h 29m
$247
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 9/30
6:40 pm-10:31 pm
1 stop3h 51m
Denver Intl
Sun 10/4
5:30 am-10:01 am
1 stop4h 31m
$273
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Sat 9/5
6:49 pm-12:20 pm
1 stop17h 31m
Denver Intl
Tue 9/8
6:17 am-2:02 pm
1 stop7h 45m
$277
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 7/21
6:00 am-12:35 pm
2 stops6h 35m
Denver Intl
Tue 7/28
8:55 pm-11:00 pm
Nonstop2h 05m
$278
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Thu 7/30
6:42 pm-10:40 pm
1 stop3h 58m
Denver Intl
Tue 8/4
5:35 am-9:48 am
1 stop4h 13m
$291
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Wed 7/15
6:30 am-8:29 am
Nonstop1h 59m
Denver Intl
Sat 7/18
8:25 pm-10:37 pm
Nonstop2h 12m
$297
Quickest round-trip
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Fri 10/23
11:45 am-1:30 pm
Nonstop1h 45m
Denver Intl
Sun 10/25
8:35 am-10:30 am
Nonstop1h 55m
$303
Showing 1-10 of 20 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 70 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 $197). Flying from Boise to Denver in April is currently the most expensive (average of $345). 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 June 13, 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 June 13, 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.
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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
Lakewood
Centennial
Broomfield
Golden
Greeley
Fort Morgan
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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
Denver flight routes
Flights by cabin class
Other flight options
Other flights from Boise
Popular flights
Alternative routes for Boise to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
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 June 13, 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 June 13, 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 June 13, 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 June 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$137 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$104 | Average$218 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$181 | Average$318 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$189 | Average$307 | FlexibilityNo cancel fee | On-time63% |