Cheap Flights from Boise, ID to Denver, CO from $139

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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 $139, 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: $139 (one-way), $238 (round-trip).

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Best Flights from Boise to Denver Today

Take a look at the list of non stop flights and flights with layovers from Boise to Denver with the lowest price of $139. The fastest direct flight takes 1h 54m and the fastest connecting – 4h 45m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $177 Find flight	17:26 Boise Boise	19:20 Denver Denver International	1h 54m	United Airlines	UA2663
from $177 Find flight	14:35 Boise Boise	16:31 Denver Denver International	1h 56m	United Airlines	UA2173
from $177 Find flight	07:00 Boise Boise	09:00 Denver Denver International	2h 0m	United Airlines	UA1782
from $179 Find flight	17:37 Boise Boise	19:36 Denver Denver International	1h 59m	United Airlines	UA395
from $179 Find flight	10:41 Boise Boise	12:44 Denver Denver International	2h 3m	United Airlines	UA5830
from $214 Find flight	17:20 Boise Boise	19:31 Denver Denver International	2h 11m	United Airlines	UA5989
from $307 Find flight	10:40 Boise Boise	12:42 Denver Denver International	2h 2m	United Airlines	UA4666
from $364 Find flight	08:29 Boise Boise	10:35 Denver Denver International	2h 6m	United Airlines	UA4659
from $139 Find flight	16:59 Boise Boise	22:36 Denver Denver International	5h 37m layover 1h 24m - Seattle	Alaska Airlines	AS2353 AS321
from $139 Find flight	14:40 Boise Boise	22:36 Denver Denver International	7h 56m layover 3h 34m - Seattle	Alaska Airlines	AS1019 AS321
from $140 Find flight	15:41 Boise Boise	20:54 Denver Denver International	5h 13m layover 1h 7m - Portland	Alaska Airlines	AS2182 AS420
from $143 Find flight	09:30 Boise Boise	15:49 Denver Denver International	6h 19m layover 1h 45m - Seattle	Alaska Airlines	AS929 AS602
from $192 Find flight	13:01 Boise Boise	19:40 Denver Denver International	6h 39m layover 1h 51m - San Francisco	United Airlines	UA4733 UA566
from $200 Find flight	12:04 Boise Boise	22:36 Denver Denver International	10h 32m layover 6h 15m - Seattle	Alaska Airlines	AS3407 AS321
from $204 Find flight	12:59 Boise Boise	22:36 Denver Denver International	9h 37m layover 1h 39m - Portland 3h 0m - Seattle	Alaska Airlines	AS3485 AS2355 AS321
from $244 Find flight	13:52 Boise Boise	22:36 Denver Denver International	8h 44m layover 1h 28m - Spokane 2h 16m - Seattle	Alaska Airlines	AS2011 AS2362 AS321

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on April 29, 2025

Flight Schedule Boise (Idaho) to Denver (Colorado)

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	Flight Details	Flight Duration	Price
07:00 — 09:00	07:00 — 09:00 UA1782 United Airlines Boise — Denver	2h	Find flight from$177
08:15 — 10:20	08:15 — 10:20 UA4775 United Airlines Boise — Denver	2h 5m	Find flight from$179
08:25 — 10:35	08:25 — 10:35 UA5361 United Airlines Boise — Denver	2h 10m	Find flight from$179
08:29 — 10:35	08:29 — 10:35 UA4659 United Airlines Boise — Denver	2h 6m	Find flight from$364
10:35 — 12:44	10:35 — 12:44 UA4631 United Airlines Boise — Denver	2h 9m	Find flight from$179
10:40 — 12:42	10:40 — 12:42 UA4666 United Airlines Boise — Denver	2h 2m	Find flight from$307
10:41 — 12:44	10:41 — 12:44 UA5830 United Airlines Boise — Denver	2h 3m	Find flight from$179
10:41 — 12:44	10:41 — 12:44 UA4648 United Airlines Boise — Denver	2h 3m	Find flight from$399
14:35 — 16:31	14:35 — 16:31 UA2173 United Airlines Boise — Denver	1h 56m	Find flight from$177
17:20 — 19:31	17:20 — 19:31 UA5989 United Airlines Boise — Denver	2h 11m	Find flight from$214
17:26 — 19:20	17:26 — 19:20 UA2663 United Airlines Boise — Denver	1h 54m	Find flight from$177
17:37 — 19:36	17:37 — 19:36 UA395 United Airlines Boise — Denver	1h 59m	Find flight from$179
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	Find flight from$205
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$218
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$241
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$143
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	Find flight from$205
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	Find flight from$205
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$200
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$192
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$192
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$139
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$140
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$214
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$139
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$214
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$223
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$214
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$218
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$204

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on April 29, 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 139 $), december (from 140 $), february (from 143 $).

The most expensive months are november (from 211 $), february (from 143 $), december (from 140 $).

What is the lowest airfare Boise to Denver?

The cheapest plane ticket found by our users is $139. 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

$139

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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 $ 139 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 823.

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 $177.

UA - United Airlines

from $177

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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 $139.

AS - Alaska Airlines

from $139

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UA - United Airlines

from $192

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Airports

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

Boise airports

Boise-BOI

from $139
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Denver airports

Denver International-DEN

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Arapahoe Co-APA

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Airplanes

There are flights to Denver from Boise by 2 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Boise

You may also consider searching for discounted plane tickets to some other popular places from Boise within United States.

Boise — Las Vegas

from $77

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Boise — Seattle

from $147

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Boise — Phoenix

from $70

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Boise — Denver

from $74

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Boise — San Diego

from $62

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Boise — Spokane

from $77

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Boise — Salt Lake City

from $78

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Boise — Sacramento

from $57

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Boise — Orlando

from $68

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Boise — Dallas

from $76

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Top International Destinations from Boise

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Boise — San Jose

from $66

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Boise — Cancun

from $62

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Boise — London

from $63

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Boise — Puerto Vallarta

from $59

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How to book a plane 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.
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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.
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