$40+ Cheap flights from Denver to Boise (DEN - BOI)
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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOI
abr. 16 — abr. 231
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Boise 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 Denver Intl to Boise Air Term. Gowen Fld are usually found in February or September, booked 71 days in advance, depart on a Thursday or Sunday and return on a Thursday
Cheap flight deals from Denver to Boise
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to BoiseExplore the most affordable flight options available from Denver to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 17, 2026.
Explore the most affordable flight options available from Denver to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
jue. 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
jue. 4/1611:53 am
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/12![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/29:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
jue. 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/12![Frontier logo]()
$80
This Expedia deal was found by Cheapflights users on 3/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/1210:22 am
DEN
- BOI
Nonstop2h 05m
Frontier
jue. 5/141:22 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Deal found 3/13![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
dom. 4/1212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/12![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2110:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
mar. 5/261:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Deal found 3/13![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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.
jue. 4/169:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
dom. 4/1911:53 am
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/15![Frontier logo]()
$143
This CheapOair deal was found by Cheapflights users on 3/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/59:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
jue. 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/12![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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.
jue. 4/29:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
dom. 4/512:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/14![Frontier logo]()
$153
This Expedia deal was found by Cheapflights users on 3/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Multiple Airlines
jue. 4/166:32 am
BOI
- DEN
1 stop5h 48m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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.
jue. 5/1410:22 am
DEN
- BOI
Nonstop2h 05m
Frontier
mar. 5/191:22 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Deal found 3/14![Frontier logo]()
$163
Best flights from Denver to BoiseDiscover carefully curated flight deals from Denver to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated marzo 17, 2026.
Discover carefully curated flight deals from Denver to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated marzo 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
jue. 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
dom. 4/1212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/16![Frontier logo]()
$153
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/81:25 pm
DEN
- BOI
Nonstop2h 00m
Southwest
mié. 4/153:15 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Deal found 3/12![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/16:35 pm
DEN
- BOI
1 stop5h 18m
Delta
jue. 6/46:00 pm
BOI
- DEN
1 stop5h 50m
Delta
Deal found 3/12![Delta logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/81:16 pm
DEN
- BOI
2 stops9h 36m
Alaska Airlines
lun. 4/136:00 am
BOI
- DEN
1 stop17h 56m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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.
mar. 4/287:20 pm
DEN
- BOI
Nonstop2h 02m
United Airlines
mar. 5/125:27 pm
BOI
- DEN
Nonstop2h 11m
United Airlines
Deal found 3/14![United Airlines logo]()
$291
This Expedia deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
vie. 4/106:03 pm
DEN
- BOI
1 stop5h 55m
Multiple Airlines
dom. 4/1212:03 pm
BOI
- DEN
Nonstop2h 03m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
mar. 4/141:25 pm
DEN
- BOI
Nonstop2h 00m
Southwest
mar. 4/215:15 pm
BOI
- DEN
1 stop4h 15m
Southwest
Deal found 3/16![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/177:34 pm
DEN
- BOI
Nonstop2h 01m
United Airlines
mar. 6/235:00 am
BOI
- DEN
Nonstop2h 05m
United Airlines
Deal found 3/12![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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.
sáb. 5/94:35 pm
DEN
- BOI
1 stop6h 40m
Southwest
sáb. 5/162:50 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Deal found 3/14![Southwest logo]()
$281
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/86:25 pm
DEN
- BOI
1 stop6h 35m
Southwest
sáb. 5/92:50 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Deal found 3/12![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
vie. 4/103:05 pm
DEN
- BOI
Nonstop1h 55m
Southwest
dom. 4/122:15 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Deal found 3/16![Southwest logo]()
$317
Last-minute flights from Denver to BoiseDiscover last-minute flight deals from Denver to Boise. Data last updated marzo 17, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Boise. Data last updated marzo 17, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/29:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
jue. 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/12![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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.
jue. 4/29:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
dom. 4/512:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/14![Frontier logo]()
$153
This CheapOair deal was found by Cheapflights users on 3/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/59:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
jue. 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/12![Frontier logo]()
$144
This Expedia deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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.
mar. 4/77:00 am
DEN
- BOI
1 stop5h 19m
Multiple Airlines
jue. 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
jue. 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
jue. 4/1611:53 am
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/12![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
jue. 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
dom. 4/1212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/16![Frontier logo]()
$114
This Expedia deal was found by Cheapflights users on 3/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Multiple Airlines
jue. 4/166:32 am
BOI
- DEN
1 stop5h 48m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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.
jue. 4/169:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
dom. 4/1911:53 am
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/15![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/169:10 am
DEN
- BOI
Nonstop1h 58m
Multiple Airlines
mié. 4/222:57 pm
BOI
- DEN
1 stop6h 52m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$164
One-way flights from Denver to BoiseSearch for one-way flight options from Denver to Boise. Find affordable one-way fares based on user searches. Data last updated marzo 17, 2026.
Search for one-way flight options from Denver to Boise. Find affordable one-way fares based on user searches. Data last updated marzo 17, 2026.
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/29:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 3/12![Frontier logo]()
$40
This Frontier deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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.
jue. 4/169:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 3/15![Frontier logo]()
$50
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/1210:22 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 3/12![Frontier logo]()
$59
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
dom. 5/2410:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 3/16![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/1410:22 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 3/12![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 3/13. 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.
dom. 5/1010:22 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 3/13![Frontier logo]()
$89
Find flight deals from Denver to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Boise (BOI). 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 marzo 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $79 (Kiwi.com) |
One-way from | $40 (Frontier) |
Popular in | June |
Cheapest in | February |
Average price | $277 |
Good round-trip deal | $118 or less |
Good one-way deal | $146 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Boise 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 marzo 17, 2026.
Use the filters below to find and compare flights from Denver to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverBoise
DEN - BOI
DENBOI
Denver Intl
jue. 4/9
9:10 am-11:08 am
Nonstop1h 58m
Boise Air Term. Gowen Fld
dom. 4/12
12:03 pm-2:06 pm
Nonstop2h 03m
$153
DenverBoise
DEN - BOI
DENBOI
Denver Intl
mié. 4/8
1:25 pm-3:25 pm
Nonstop2h 00m
Boise Air Term. Gowen Fld
mié. 4/15
3:15 pm-5:05 pm
Nonstop1h 50m
$227
DenverBoise
DEN - BOI
DENBOI
Denver Intl
lun. 6/1
6:35 pm-11:53 pm
1 stop5h 18m
Boise Air Term. Gowen Fld
jue. 6/4
6:00 pm-11:50 pm
1 stop5h 50m
$271
DenverBoise
DEN - BOI
DENBOI
Denver Intl
mar. 4/14
1:25 pm-3:25 pm
Nonstop2h 00m
Boise Air Term. Gowen Fld
mar. 4/21
5:15 pm-9:30 pm
1 stop4h 15m
$277
DenverBoise
DEN - BOI
DENBOI
Denver Intl
sáb. 5/9
4:35 pm-11:15 pm
1 stop6h 40m
Boise Air Term. Gowen Fld
sáb. 5/16
2:50 pm-4:40 pm
Nonstop1h 50m
$281
DenverBoise
DEN - BOI
DENBOI
Denver Intl
mié. 4/8
1:16 pm-10:52 pm
2 stops9h 36m
Boise Air Term. Gowen Fld
lun. 4/13
6:00 am-11:56 pm
1 stop17h 56m
$288
DenverBoise
DEN - BOI
DENBOI
Denver Intl
mar. 4/28
7:20 pm-9:22 pm
Nonstop2h 02m
Boise Air Term. Gowen Fld
mar. 5/12
5:27 pm-7:38 pm
Nonstop2h 11m
$291
DenverBoise
DEN - BOI
DENBOI
Denver Intl
vie. 5/8
6:25 pm-1:00 am
1 stop6h 35m
Boise Air Term. Gowen Fld
sáb. 5/9
2:50 pm-4:40 pm
Nonstop1h 50m
$294
DenverBoise
DEN - BOI
DENBOI
Denver Intl
mié. 6/17
7:34 pm-9:35 pm
Nonstop2h 01m
Boise Air Term. Gowen Fld
mar. 6/23
5:00 am-7:05 am
Nonstop2h 05m
$297
DenverBoise
DEN - BOI
DENBOI
Denver Intl
vie. 4/10
6:03 pm-11:58 pm
1 stop5h 55m
Boise Air Term. Gowen Fld
dom. 4/12
12:03 pm-2:06 pm
Nonstop2h 03m
$313
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Denver to Boise
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 Denver to Boise in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Denver-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Boise 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 Denver-Boise 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 Denver to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Denver with our price prediction graph.
DEN-BOI
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 Denver to Boise
Prices
Airlines
How far ahead should I book a flight from Denver to Boise?
Use this chart to determine the optimal time to book a round-trip flight from Denver to Boise. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from Denver to Boise, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Denver to Boise?
Currently, October is the cheapest month in which you can book a flight from Denver to Boise (average of $54). Flying from Denver to Boise in April is currently the most expensive (average of $171). 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 DEN to BOI?
Find hourly flight availability from Denver to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 17, 2026.
One of the essential ways to save on airfare from Denver to Boise is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 37% on airfare.
What is the cheapest day to fly from Denver to Boise?
Use this chart to determine the cheapest time to fly round-trip from Denver to Boise. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Denver to Boise flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated marzo 17, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Denver to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Denver to Boise. 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 Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
McCall
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Top 4 airlines flying from Denver to Boise
Discover the top 4 airlines that operate flights from Denver to Boise. 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 marzo 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$125 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$68 | Average$202 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$156 | Average$320 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$290 | FlexibilityNo cancel fee | On-time63% |