Cheap Flights from Denver, CO to Boise, ID from $52

Return flight: Boise – Denver

On Cheapflightsplus.com you will find 11 direct and 262 connecting flights from Denver to Boise. You can compare airfare deals from 7 airlines and multiple travel sites from $52, book and save on cheap plane tickets and last minute offers. Also check out DEN-BOI flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Denver to Boise depends on and how to choose the most interesting flight option for you.

Distance between Denver and Boise is 1042 miles. Time difference between the cities is 0h. Airplanes depart 05:00 to 21:44 from 2 Denver airports and arrive 05:00 to 21:44 to 1 Boise airport. Average flight time is 1h 59m.

  • The fastest flight 1h 56m
  • Average flight time 1h 59m
  • The earliest flight 05:00
  • The latest flight 21:44
  • Distance 648 ml

The cheapest months to travel to Boise are august (from 52 $), june (from 75 $), july (from 76 $).

The most expensive months are november (from 208 $), february (from 175 $), december (from 174 $).

What is the lowest airfare Denver to Boise?

The cheapest plane ticket found by our users is $52. This airfare is for economy class on one-way F93933 flight by Frontier Airlines for July 6, 2025 which leaves Denver International in Denver at 09:50 am and arrives at Boise Boise at 11:46.

Economy class
$52
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Business class
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First class
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Flight Schedule Denver (Colorado) to Boise (Idaho)

07:45 — 09:42
1h 57m flight time
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from$133
Denver — Boise
UA355 United Airlines
07:45 — 09:45
2h flight time
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from$143
Denver — Boise
UA4700 United Airlines
07:45 — 09:46
2h 1m flight time
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from$145
Denver — Boise
UA1442 United Airlines
08:00 — 15:04
7h 4m flight time
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from$116
08:00 — 10:00 Denver — Seattle
AS745 Alaska Airlines
2h 31m stop
12:31 — 15:04 Seattle — Boise
AS1018 Alaska Airlines
08:00 — 16:10
8h 10m flight time
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from$116
08:00 — 10:00 Denver — Seattle
AS745 Alaska Airlines
3h 42m stop
13:42 — 16:10 Seattle — Boise
AS3002 Alaska Airlines
09:50 — 11:46
1h 56m flight time
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from$52
Denver — Boise
F93933 Frontier Airlines
11:36 — 13:35
1h 59m flight time
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from$133
Denver — Boise
UA1125 United Airlines
15:00 — 23:11
8h 11m flight time
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from$100
15:00 — 16:23 Denver — San Diego
HA4809 Hawaiian Airlines
3h 27m stop
19:50 — 23:11 San Diego — Boise
HA6415 Hawaiian Airlines
15:00 — 23:11
8h 11m flight time
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from$108
15:00 — 16:23 Denver — San Diego
AS1129 Alaska Airlines
3h 27m stop
19:50 — 23:11 San Diego — Boise
AS908 Alaska Airlines
15:53 — 17:59
2h 6m flight time
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from$171
Denver — Boise
UA4718 United Airlines
16:08 — 18:07
1h 59m flight time
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from$142
Denver — Boise
UA2602 United Airlines
17:45 — 19:47
2h 2m flight time
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from$142
Denver — Boise
UA4802 United Airlines
19:15 — 21:14
1h 59m flight time
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from$133
Denver — Boise
UA638 United Airlines
19:25 — 21:24
1h 59m flight time
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from$133
Denver — Boise
UA2014 United Airlines
20:20 — 22:21
2h 1m flight time
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from$133
Denver — Boise
UA5923 United Airlines
Full flight schedule will help you in detecting at what time planes fly from Denver to Boise. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 8, 2025.

Popular Airlines on the Route

The flight Denver — Boise is served by 7 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 96 departures per week at the price of from $ 108 . And the most expensive tickets are offered by United Airlines airline - from $ 737.

Direct flights

There are 11 nonstop flights on the route. The fastest direct flight is F93933 by Frontier Airlines takes 1h 56m and the cheapest is F93933 by Frontier Airlines for $52.

  • F9 - Frontier Airlines
    from $52
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  • UA - United Airlines
    from $133
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See more direct flights

Connecting Flights

There are 262 flights with layovers on the route. The fastest connecting flight is HA4864 by Hawaiian Airlines takes 4h 43m and the cheapest is F93933 by Frontier Airlines for $100.

  • AS - Alaska Airlines
    from $108
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  • SY - Sun Country Airlines
    from $165
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  • HA - Hawaiian Airlines
    from $100
    Find
  • LF - flynordic
    from $207
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  • UA - United Airlines
    from $230
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  • G4 - Allegiant Air
    from $170
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See more connecting flights

Airports

You can fly from Denver to Boise from 2 airports (Denver International, Arapahoe Co).

Denver airports

  • Denver International-DEN
    from $52
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  • Arapahoe Co-APA
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Boise airports

  • Boise-BOI
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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