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Cheap flight tickets from Denver to Boise

Compare Denver to Boise flight deals

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Flight deals from Denver to Boise

Looking for a cheap last-minute deal or the best return flight from Denver to Boise? Find the lowest prices on one-way and return tickets right here.
Boise.RM260 per passenger.Departing Thu, 5 Mar, returning Sun, 8 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 5 Mar, arriving in Boise.Inbound direct flight with Frontier Airlines departs from Boise on Sun, 8 Mar, arriving in Denver International.Price includes taxes and charges.From RM260, select.
Boise.RM425 per passenger.Departing Fri, 27 Feb, returning Sun, 1 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Fri, 27 Feb, arriving in Boise.Inbound direct flight with Frontier Airlines departs from Boise on Sun, 1 Mar, arriving in Denver International.Price includes taxes and charges.From RM425, select.
Boise.RM445 per passenger.Departing Thu, 2 Apr, returning Sun, 5 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 2 Apr, arriving in Boise.Inbound direct flight with Frontier Airlines departs from Boise on Sun, 5 Apr, arriving in Denver International.Price includes taxes and charges.From RM445, select.
Boise.RM544 per passenger.Departing Thu, 12 Feb, returning Sun, 15 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 12 Feb, arriving in Boise.Inbound direct flight with Frontier Airlines departs from Boise on Sun, 15 Feb, arriving in Denver International.Price includes taxes and charges.From RM544, select.
Boise.RM871 per passenger.Departing Thu, 26 Feb, returning Wed, 8 Apr.Return flight with United.Outbound direct flight with United departs from Denver International on Thu, 26 Feb, arriving in Boise.Inbound direct flight with United departs from Boise on Wed, 8 Apr, arriving in Denver International.Price includes taxes and charges.From RM871, select.
Boise.RM1,084 per passenger.Departing Fri, 17 Jul, returning Mon, 20 Jul.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 17 Jul, arriving in Boise.Inbound direct flight with United departs from Boise on Mon, 20 Jul, arriving in Denver International.Price includes taxes and charges.From RM1,084, select.
Boise.RM1,084 per passenger.Departing Tue, 2 Jun, returning Sun, 7 Jun.Return flight with United.Outbound direct flight with United departs from Denver International on Tue, 2 Jun, arriving in Boise.Inbound direct flight with United departs from Boise on Sun, 7 Jun, arriving in Denver International.Price includes taxes and charges.From RM1,084, select.
Boise.RM1,088 per passenger.Departing Wed, 9 Sep, returning Sat, 12 Sep.Return flight with United.Outbound direct flight with United departs from Denver International on Wed, 9 Sep, arriving in Boise.Inbound direct flight with United departs from Boise on Sat, 12 Sep, arriving in Denver International.Price includes taxes and charges.From RM1,088, select.

Find the cheapest month to fly from Denver to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver to Boise flights are currently cheapest in March.
Feb
from RM544
Mar
from RM260
Apr
from RM445
May
from RM1,099
Jun
from RM1,084
Jul
from RM1,084
Aug
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Sep
from RM1,088
Oct
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Nov
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Dec
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Jan
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Direct flights from Denver to Boise

Denver to Boise: Alternative routes

Compare routes from Denver to Boise below. You may find an airport to fly into that's cheaper, faster, or easier than Boise.

Boise

5km from central Boise
ClosestCheapest
from RM260
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Denver to Boise: Flight information

The things to know before you go.
Cheapest flight foundRM260
Cheapest month to flyMarch
Average flight time2 hrs, 6 mins
Most popular airlineSouthwest Airlines
Average flights per week143

Finding cheap flights from Denver to Boise: Frequently asked questions

The best price we found for a return flight from Denver to Boise is RM260. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 6 minutes is the average flight time from Denver to Boise.
Southwest Airlines, United and SkyWest Airlines fly direct from Denver to Boise.
As of February 2026, there are 143 flights per week flying from Denver to Boise.
The cheapest month to fly from Denver to Boise is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Boise Airport on Thursday, 5 March 2026.
Yes – the average flight time is 2 hours and 6 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boise but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boise is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Boise is Frontier Airlines .

Flying from Denver to Boise Air Terminal (Gowen Field) Airport (BOI): What you need to know

  • Start your trip at Denver International Airport (DEN), the main airport in Denver. Look for flights from Denver to Boise Air Terminal (Gowen Field) Airport (BOI) that leave from this base.

  • 2 hours is the average duration of a direct Denver to Boise Air Terminal (Gowen Field) Airport flight.

  • Boise Air Terminal (Gowen Field) Airport is located in Boise. The city's timezone is UTC-6, which is the same as Denver.

  • Denver International Airport (DEN) to Boise Air Terminal (Gowen Field) Airport (BOI) is the most popular route. There are 48 direct flights a week to pick from. If you have things to do before heading off, take the last flight with Southwest Airlines at 10:55pm. Choose the first DEN to BOI departure operated by Southwest Airlines at 7:40am if you're aiming for an earlier start.

  • Get to the airport on time so you don't miss your flight from Denver to BOI. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Peak season means busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for an international journey to stick to your schedule.

Airports in Denver

Denver International Airport (DEN)

  • You can book a direct flight from Denver to Boise Air Terminal (Gowen Field) Airport (BOI) departing from Denver International Airport (DEN).

  • At DEN, you'll find a variety of carriers operating direct flights from Denver to Boise Air Terminal (Gowen Field) Airport, including:

  • The airline with the highest booking numbers between DEN and BOI is United Airlines.

  • Among carriers on this route, United Airlines has the highest rate of on-time arrivals.

  • The journey from central Denver to DEN takes around 1 hour 30 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic conditions.

  • Spending the night in a hotel can take the stress out of reaching the airport on time. If you're looking for somewhere to stay before your flight from Denver to Boise Air Terminal (Gowen Field) Airport, check out Baymont by Wyndham Denver International Airport. It's an easy drive from Denver International Airport.

  • Denver International Airport scores top marks for its on-time performance. 80.23% of flights that depart DEN arrive at their destination as scheduled.

  • DEN's address is 8500 Pena Boulevard.

About Boise Air Terminal (Gowen Field) Airport (BOI)

Getting from Boise Air Terminal (Gowen Field) Airport (BOI) to central Boise

  • Boise Air Terminal (Gowen Field) Airport to central Boise is roughly 6 kilometres. If you're renting a car or taking a cab, plan in advance to make your trip as easy as possible. Journey times may vary based on traffic and the time of day.

  • When travelling on public transport, expect a journey of about 1 hour 35 minutes.

How to find the cheapest flights from Denver to Boise Air Terminal (Gowen Field) Airport (BOI)

  • The lowest price we've found for a one-way ticket from Denver to Boise Air Terminal (Gowen Field) Airport is RM157. For a return flight on this route, the best price is RM260. Depending on the availability when you book, these fares can change.

  • To find cheap flights from Denver to BOI, book early. Airlines usually offer lower prices when flights are first released.

  • If you can be flexible with your travel plans, use the 'Whole month' search tool. It'll give you the lowest price across the month when searching for your Denver to Boise Air Terminal (Gowen Field) Airport ticket.

  • Locking in a cheap plane ticket from Denver to BOI couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll notify you when a better deal is available.

  • Save on your flight from Denver to Boise Air Terminal (Gowen Field) Airport by using filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Denver to Boise Air Terminal (Gowen Field) Airport (BOI)

  • July is when most people book flights from Denver to Boise Air Terminal (Gowen Field) Airport (BOI). Plan your visit to Boise in May for a more laid-back experience.

  • Lock in a Denver to BOI plane ticket departing in July if you want to experience the city during its warmest month. Expect temperatures in Boise to range from 15ºC (59ºF) to 35ºC (95ºF).

  • January sees temperatures of between -11ºC (12ºF) and 5ºC (41ºF). Search for cheap tickets from Denver to Boise Air Terminal (Gowen Field) Airport around that time if you want to travel when it's cooler.

More about Boise

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in Boise right here. Browse these hotels once you've booked your flight from Denver to Boise Air Terminal (Gowen Field) Airport:

  • All great adventures should include some sightseeing. Cathedral Of The Rockies, Boise River Rafting and Boise Depot are essential stops on your Boise itinerary.

Explore more of the United States

  • You've done Boise, now it's time to explore other parts of the United States. Travel around 177 kilometres south-east to Twin Falls to tick off its leading sights. From Sawtooth National Forest to Twin Falls and Base jump the bridge, you've got a jam-packed schedule ahead.

  • Around 241 kilometres north-west of Boise, La Grande is another favourite stop in the United States. Start your sightseeing at Our Lady of the Valley, La Grande Skatepark and Jefferson Street Depot.

Plan the rest of your trip from Denver to Boise

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.