Cheap Flights from Boise, ID to Denver, CO from $51

Return flight: Denver – Boise

On Cheapflightsplus.com you will find 14 direct and 242 connecting flights from Boise to Denver. You can compare airfare deals from 6 airlines and multiple travel sites from $51, book and save on cheap plane tickets and last minute offers. Also check out BOI-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Boise to Denver Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $51 (one-way), $87 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Boise to Denver. 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 Arrival Flight Details Flight Duration Price
05:00 — 07:05
05:00 — 07:05 UA5226 United Airlines
Boise — Denver
2h 5m
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from$100
05:00 — 07:05
05:00 — 07:05 UA5924 United Airlines
Boise — Denver
2h 5m
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from$104
05:00 — 07:05
05:00 — 07:05 UA4775 United Airlines
Boise — Denver
2h 5m
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from$105
06:30 — 08:27
06:30 — 08:27 UA532 United Airlines
Boise — Denver
1h 57m
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from$126
07:00 — 08:55
07:00 — 08:55 UA1782 United Airlines
Boise — Denver
1h 55m
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from$102
08:15 — 10:17
08:15 — 10:17 UA4704 United Airlines
Boise — Denver
2h 2m
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from$126
10:42 — 12:42
10:42 — 12:42 UA1228 United Airlines
Boise — Denver
2h
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from$106
10:42 — 12:42
10:42 — 12:42 UA598 United Airlines
Boise — Denver
2h
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from$226
10:45 — 12:41
10:45 — 12:41 UA213 United Airlines
Boise — Denver
1h 56m
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from$102
10:47 — 12:53
10:47 — 12:53 UA4679 United Airlines
Boise — Denver
2h 6m
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from$189
12:36 — 14:34
12:36 — 14:34 F93934 Frontier Airlines
Boise — Denver
1h 58m
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from$51
14:42 — 16:35
14:42 — 16:35 UA2173 United Airlines
Boise — Denver
1h 53m
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from$100
17:39 — 19:40
17:39 — 19:40 UA4637 United Airlines
Boise — Denver
2h 1m
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from$105
17:42 — 19:39
17:42 — 19:39 UA395 United Airlines
Boise — Denver
1h 57m
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from$105
06:30 — 11:55
06:35 — 07:14 AS929 Alaska Airlines
Boise — Seattle
49m stop
08:13 — 12:10 AS682 Alaska Airlines
Seattle — Denver
5h 25m
including layover
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from$89
06:35 — 14:06
06:35 — 07:14 AS929 Alaska Airlines
Boise — Seattle
3h 1m stop
10:15 — 14:06 AS535 Alaska Airlines
Seattle — Denver
7h 31m
including layover
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from$89
07:21 — 14:00
07:21 — 08:45 HA4759 Hawaiian Airlines
Boise — San Diego
1h 47m stop
10:32 — 14:00 HA6401 Hawaiian Airlines
San Diego — Denver
6h 39m
including layover
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from$77
07:21 — 14:00
07:21 — 08:45 AS909 Alaska Airlines
Boise — San Diego
1h 47m stop
10:32 — 14:00 AS1068 Alaska Airlines
San Diego — Denver
6h 39m
including layover
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from$83
08:47 — 23:59
08:47 — 09:20 HA4807 Hawaiian Airlines
Boise — Seattle
10h 57m stop
20:17 — 23:59 HA6652 Hawaiian Airlines
Seattle — Denver
15h 12m
including layover
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from$119
09:00 — 17:21
09:00 — 09:38 HA4781 Hawaiian Airlines
Boise — Seattle
3h 57m stop
13:35 — 17:21 HA6651 Hawaiian Airlines
Seattle — Denver
8h 21m
including layover
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from$141
11:19 — 21:46
11:19 — 11:52 HA4762 Hawaiian Airlines
Boise — Seattle
6h 7m stop
17:59 — 21:46 HA6654 Hawaiian Airlines
Seattle — Denver
10h 27m
including layover
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from$109
11:19 — 21:46
11:19 — 11:52 AS2148 Alaska Airlines
Boise — Seattle
6h 7m stop
17:59 — 21:46 AS1163 Alaska Airlines
Seattle — Denver
10h 27m
including layover
Find flight
from$117
13:00 — 23:59
13:00 — 13:38 AS3448 Alaska Airlines
Boise — Seattle
6h 39m stop
20:17 — 23:59 AS642 Alaska Airlines
Seattle — Denver
10h 59m
including layover
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from$126
13:25 — 18:02
13:25 — 13:50 HA4757 Hawaiian Airlines
Boise — Portland
42m stop
14:32 — 18:02 HA6338 Hawaiian Airlines
Portland — Denver
4h 37m
including layover
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from$139
15:59 — 23:59
15:59 — 16:37 HA4745 Hawaiian Airlines
Boise — Seattle
3h 40m stop
20:17 — 23:59 HA6652 Hawaiian Airlines
Seattle — Denver
8h
including layover
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from$83
15:59 — 23:59
15:59 — 16:37 AS1015 Alaska Airlines
Boise — Seattle
3h 40m stop
20:17 — 23:59 AS642 Alaska Airlines
Seattle — Denver
8h
including layover
Find flight
from$90
16:50 — 23:59
16:50 — 17:26 HA4803 Hawaiian Airlines
Boise — Seattle
2h 51m stop
20:17 — 23:59 HA6652 Hawaiian Airlines
Seattle — Denver
7h 9m
including layover
Find flight
from$83
16:50 — 23:59
16:50 — 17:26 AS3002 Alaska Airlines
Boise — Seattle
2h 51m stop
20:17 — 23:59 AS642 Alaska Airlines
Seattle — Denver
7h 9m
including layover
Find flight
from$90
17:43 — 23:59
14:20 — 14:50 HA4770 Hawaiian Airlines
Boise — Seattle
1h 57m stop
17:55 — 21:38 HA6652 Hawaiian Airlines
Seattle — Denver
6h 16m
including layover
Find flight
from$104
20:21 — 11:55
+1 day
20:21 — 21:04 HA4763 Hawaiian Airlines
Boise — Seattle
10h 58m stop
08:02 — 11:55 HA6555 Hawaiian Airlines
Seattle — Denver
15h 34m
including layover
Find flight
from$109
20:21 — 11:55
+1 day
20:21 — 21:04 AS3316 Alaska Airlines
Boise — Seattle
10h 58m stop
08:02 — 11:55 AS682 Alaska Airlines
Seattle — Denver
15h 34m
including layover
Find flight
from$117
*Departure and arrival times - local. Updated on May 23, 2025

Flight Information

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

Distance between Boise and Denver is 1042 miles. Time difference between the cities is 0h. Airplanes depart 05:00 to 20:59 from 1 Boise airport and arrive 05:00 to 20:59 to 2 Denver airports. Average flight time is 2h.

  • The fastest flight 1h 53m
  • Average flight time 2h
  • The earliest flight 05:00
  • The latest flight 20:59
  • Distance 648 ml

The cheapest months to travel to Denver are june (from 69 $), may (from 89 $), october (from 103 $).

The most expensive months are november (from 212 $), december (from 180 $), february (from 144 $).

What is the lowest airfare Boise to Denver?

The cheapest plane ticket found by our users is $51. This airfare is for economy class on one-way F93934 flight by Frontier Airlines for June 29, 2025 which leaves Boise in Boise at 12:36 am and arrives at Denver Denver International at 14:34.

Economy class
$51
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Business class
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First class
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Popular Airlines on the Route

The flight Boise — Denver is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 105 departures per week at the price of from $ 83 . And the most expensive tickets are offered by United Airlines airline - from $ 393.

Direct flights

There are 14 nonstop flights on the route. The fastest direct flight is UA2173 by United Airlines takes 1h 53m and the cheapest is F93934 by Frontier Airlines for $51.

  • F9 - Frontier Airlines
    from $51
    Find
  • UA - United Airlines
    from $100
    Find
See more direct flights

Connecting Flights

There are 242 flights with layovers on the route. The fastest connecting flight is HA4941 by Hawaiian Airlines takes 4h 37m and the cheapest is F93934 by Frontier Airlines for $77.

  • AS - Alaska Airlines
    from $83
    Find
  • SY - Sun Country Airlines
    from $153
    Find
  • HA - Hawaiian Airlines
    from $77
    Find
  • UA - United Airlines
    from $171
    Find
  • NK - Spirit Airlines
    from $155
    Find
See more connecting flights

Airports

You can fly from Boise to Denver from 1 airports (Boise).

Boise airports

  • Boise-BOI
    from $51
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Denver airports

  • Denver International-DEN
    Find
  • Arapahoe Co-APA
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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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