Cheap Flights from Boise, ID to Denver, CO from $128

Return flight: Denver – Boise

On Cheapflightsplus.com you will find 12 direct and 175 connecting flights from Boise to Denver. You can compare airfare deals from 2 airlines and multiple travel sites from $128, 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: $128 (one-way), $220 (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
07:00 — 09:00
07:00 — 09:00 UA1782 United Airlines
Boise — Denver
2h
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from$163
08:15 — 10:20
08:15 — 10:20 UA4775 United Airlines
Boise — Denver
2h 5m
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from$165
08:25 — 10:35
08:25 — 10:35 UA5361 United Airlines
Boise — Denver
2h 10m
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from$165
08:29 — 10:35
08:29 — 10:35 UA4659 United Airlines
Boise — Denver
2h 6m
Find flight
from$335
10:35 — 12:44
10:35 — 12:44 UA4631 United Airlines
Boise — Denver
2h 9m
Find flight
from$165
10:40 — 12:42
10:40 — 12:42 UA4666 United Airlines
Boise — Denver
2h 2m
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from$283
10:41 — 12:44
10:41 — 12:44 UA5830 United Airlines
Boise — Denver
2h 3m
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from$165
10:41 — 12:44
10:41 — 12:44 UA4648 United Airlines
Boise — Denver
2h 3m
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from$367
14:35 — 16:31
14:35 — 16:31 UA2173 United Airlines
Boise — Denver
1h 56m
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from$163
17:20 — 19:31
17:20 — 19:31 UA5989 United Airlines
Boise — Denver
2h 11m
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from$197
17:26 — 19:20
17:26 — 19:20 UA2663 United Airlines
Boise — Denver
1h 54m
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from$163
17:37 — 19:36
17:37 — 19:36 UA395 United Airlines
Boise — Denver
1h 59m
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from$165
06:10 — 15:49
06:10 — 06:54 AS2122 Alaska Airlines
Boise — Seattle
5h 6m stop
12:00 — 15:49 AS602 Alaska Airlines
Seattle — Denver
9h 39m
including layover
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from$188
06:10 — 22:36
06:10 — 06:54 AS2122 Alaska Airlines
Boise — Seattle
12h 5m stop
18:59 — 22:36 AS321 Alaska Airlines
Seattle — Denver
16h 26m
including layover
Find flight
from$201
07:00 — 20:54
07:00 — 07:35 AS3465 Alaska Airlines
Boise — Portland
9h 36m stop
17:11 — 20:54 AS420 Alaska Airlines
Portland — Denver
13h 54m
including layover
Find flight
from$222
09:30 — 15:49
09:30 — 10:15 AS929 Alaska Airlines
Boise — Seattle
1h 45m stop
12:00 — 15:49 AS602 Alaska Airlines
Seattle — Denver
6h 19m
including layover
Find flight
from$132
09:30 — 22:36
09:30 — 10:15 AS929 Alaska Airlines
Boise — Seattle
8h 44m stop
18:59 — 22:36 AS321 Alaska Airlines
Seattle — Denver
13h 6m
including layover
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from$188
11:00 — 22:36
11:00 — 11:39 AS2219 Alaska Airlines
Boise — Seattle
7h 20m stop
18:59 — 22:36 AS321 Alaska Airlines
Seattle — Denver
11h 36m
including layover
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from$188
12:04 — 22:36
12:04 — 12:44 AS3407 Alaska Airlines
Boise — Seattle
6h 15m stop
18:59 — 22:36 AS321 Alaska Airlines
Seattle — Denver
10h 32m
including layover
Find flight
from$184
13:01 — 19:40
12:54 — 13:50 UA4733 United Airlines
Boise — San Francisco
1h 51m stop
16:00 — 19:40 UA566 United Airlines
San Francisco — Denver
6h 39m
including layover
Find flight
from$177
13:01 — 21:15
12:54 — 13:50 UA4733 United Airlines
Boise — San Francisco
3h 26m stop
18:15 — 21:52 UA297 United Airlines
San Francisco — Denver
8h 14m
including layover
Find flight
from$177
14:40 — 22:36
14:40 — 15:25 AS1019 Alaska Airlines
Boise — Seattle
3h 34m stop
18:59 — 22:36 AS321 Alaska Airlines
Seattle — Denver
7h 56m
including layover
Find flight
from$128
15:41 — 20:54
15:41 — 16:04 AS2182 Alaska Airlines
Boise — Portland
1h 7m stop
17:11 — 20:54 AS420 Alaska Airlines
Portland — Denver
5h 13m
including layover
Find flight
from$129
15:50 — 16:14
+1 day
15:50 — 16:24 AS1019 Alaska Airlines
Boise — Seattle
20h 12m stop
12:36 — 16:14 AS620 Alaska Airlines
Seattle — Denver
24h 24m
including layover
Find flight
from$197
16:59 — 22:36
16:59 — 17:35 AS2353 Alaska Airlines
Boise — Seattle
1h 24m stop
18:59 — 22:36 AS321 Alaska Airlines
Seattle — Denver
5h 37m
including layover
Find flight
from$128
18:38 — 16:14
+1 day
18:38 — 19:29 AS2030 Alaska Airlines
Boise — Seattle
17h 7m stop
12:36 — 16:14 AS620 Alaska Airlines
Seattle — Denver
21h 36m
including layover
Find flight
from$197
18:55 — 23:59
18:55 — 19:46 UA482 United Airlines
Boise — San Francisco
36m stop
20:22 — 23:59 UA1230 United Airlines
San Francisco — Denver
5h 4m
including layover
Find flight
from$205
20:00 — 16:14
+1 day
20:00 — 20:48 AS2353 Alaska Airlines
Boise — Seattle
15h 48m stop
12:36 — 16:14 AS620 Alaska Airlines
Seattle — Denver
20h 14m
including layover
Find flight
from$197
20:59 — 23:49
+1 day
20:59 — 21:38 AS3347 Alaska Airlines
Boise — Seattle
22h 32m stop
20:10 — 23:49 AS321 Alaska Airlines
Seattle — Denver
26h 50m
including layover
Find flight
from$201
12:59 — 22:36
12:59 — 13:21 AS3485 Alaska Airlines
Boise — Portland
1h 39m stop
15:00 — 15:59 AS2355 Alaska Airlines
Portland — Seattle
3h stop
18:59 — 22:36 AS321 Alaska Airlines
Seattle — Denver
9h 37m
including layover
Find flight
from$188
*Departure and arrival times - local. Updated on April 3, 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 06:00 to 20:59 from 1 Boise airport and arrive 06:00 to 20:59 to 2 Denver airports. Average flight time is 2h 3m.

  • The fastest flight 1h 54m
  • Average flight time 2h 3m
  • The earliest flight 06:00
  • The latest flight 20:59
  • Distance 648 ml

The cheapest months to travel to Denver are january (from 128 $), december (from 129 $), february (from 132 $).

The most expensive months are november (from 194 $), february (from 132 $), december (from 129 $).

What is the lowest airfare Boise to Denver?

The cheapest plane ticket found by our users is $128. This airfare is for economy class on one-way AS1019 flight by Alaska Airlines for February 1, 2025 which leaves Boise in Boise at 14:40 am and arrives at Denver Denver International at 22:36.

Economy class
$128
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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 2 regular airlines . Most of the flights on this route are operated by Alaska Airlines - 120 departures per week at the price of from $ 128 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 758.

Direct flights

There are 12 nonstop flights on the route. The fastest direct flight is UA2663 by United Airlines takes 1h 54m and the cheapest is AS1019 by Alaska Airlines for $163.

  • UA - United Airlines
    from $163
    Find
See more direct flights

Connecting Flights

There are 175 flights with layovers on the route. The fastest connecting flight is AS3465 by Alaska Airlines takes 4h 45m and the cheapest is AS1019 by Alaska Airlines for $128.

  • AS - Alaska Airlines
    from $128
    Find
  • UA - United Airlines
    from $177
    Find
See more connecting flights

Airports

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

Boise airports

  • Boise-BOI
    from $128
    Find

Denver airports

  • Denver International-DEN
    Find
  • Arapahoe Co-APA
    Find

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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