Cheap Flights from Boise, ID to Denver, CO from $67

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On Cheapflightsplus.com you will find 15 direct and 253 connecting flights from Boise to Denver. You can compare airfare deals from 6 airlines and multiple travel sites from $67, 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: $67 (one-way), $115 (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 $67. The fastest direct flight takes 1h 53m and the fastest connecting – 4h 37m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $67 Find flight	12:36 Boise Boise	14:34 Denver Denver International	1h 58m	Frontier Airlines	F93934
from $129 Find flight	05:00 Boise Boise	07:05 Denver Denver International	2h 5m	United Airlines	UA5226
from $163 Find flight	06:30 Boise Boise	08:27 Denver Denver International	1h 57m	United Airlines	UA532
from $99 Find flight	07:21 Boise Boise	14:00 Denver Denver International	6h 39m layover 1h 47m - San Diego	Hawaiian Airlines	HA4759 HA6401
from $107 Find flight	07:21 Boise Boise	14:00 Denver Denver International	6h 39m layover 1h 47m - San Diego	Alaska Airlines	AS909 AS1068

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 16, 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
05:00 — 07:05	05:00 — 07:05 UA5226 United Airlines Boise — Denver	2h 5m	Find flight from$129
05:00 — 07:05	05:00 — 07:05 UA5924 United Airlines Boise — Denver	2h 5m	Find flight from$134
05:00 — 07:05	05:00 — 07:05 UA4775 United Airlines Boise — Denver	2h 5m	Find flight from$137
06:30 — 08:27	06:30 — 08:27 UA532 United Airlines Boise — Denver	1h 57m	Find flight from$163
07:00 — 08:55	07:00 — 08:55 UA1782 United Airlines Boise — Denver	1h 55m	Find flight from$133
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	Find flight from$99
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	Find flight from$107
08:15 — 10:17	08:15 — 10:17 UA4704 United Airlines Boise — Denver	2h 2m	Find flight from$163
10:42 — 12:42	10:42 — 12:42 UA1228 United Airlines Boise — Denver	2h	Find flight from$137
10:45 — 12:41	10:45 — 12:41 UA213 United Airlines Boise — Denver	1h 56m	Find flight from$133
10:47 — 12:53	10:47 — 12:53 UA4679 United Airlines Boise — Denver	2h 6m	Find flight from$244
12:36 — 14:34	12:36 — 14:34 F93934 Frontier Airlines Boise — Denver	1h 58m	Find flight from$67
14:42 — 16:35	14:42 — 16:35 UA2173 United Airlines Boise — Denver	1h 53m	Find flight from$133
17:39 — 19:40	17:39 — 19:40 UA4637 United Airlines Boise — Denver	2h 1m	Find flight from$136
17:42 — 19:39	17:42 — 19:39 UA395 United Airlines Boise — Denver	1h 57m	Find flight from$136

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

*Departure and arrival times - local. Updated on September 16, 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 67 $), may (from 86 $), october (from 99 $).

The most expensive months are november (from 205 $), december (from 174 $), february (from 139 $).

What is the lowest airfare Boise to Denver?

The cheapest plane ticket found by our users is $67. 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

$67

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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 - 113 departures per week at the price of from $ 107 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1721.

Direct flights

There are 15 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 $67.

F9 - Frontier Airlines

from $67

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UA - United Airlines

from $129

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Connecting Flights

There are 253 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 $99.

AS - Alaska Airlines

from $107

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SY - Sun Country Airlines

from $197

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HA - Hawaiian Airlines

from $99

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UA - United Airlines

from $221

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NK - Spirit Airlines

from $200

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Airports

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

Boise airports

Boise-BOI

from $67
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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 6 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.
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.
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