Cheap Flights from Denver International to Boise

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Flight deals from Denver International to Boise

Looking for a cheap last-minute deal or the best return flight from Denver International to Boise? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Boise flights are currently cheapest in April.

Direct flights from Denver International to Boise

Denver International to Boise: Alternative routes

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

Denver to Boise: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 3,460
Cheapest month to flyApril
Average flight time2 hrs, 4 mins
Most popular airlineSouthwest Airlines
Average flights per week142

Finding cheap flights from Denver International to Boise: Frequently asked questions

The best price we found for a return flight from Denver International to Boise is ج.م.‏ 6,631. 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 4 minutes is the average flight time from Denver International to Boise.
Southwest Airlines, United and SkyWest Airlines fly direct from Denver International to Boise.
As of March 2026, there are 142 flights per week flying from Denver International to Boise.
The cheapest month to fly from Denver International to Boise is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Boise Airport on Thursday, 19 March 2026.
Yes – the average flight time is 2 hours and 4 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.
Currently, Frontier Airlines offers the cheapest flight tickets to Boise.

Travelling from Denver International Airport (DEN) to Boise Air Terminal (Gowen Field) Airport (BOI): what you need to know

  • The average duration of a direct flight from Denver International Airport to Boise Air Terminal (Gowen Field) Airport is 1 hour 55 minutes.

  • Take your pick of 130 weekly Denver International Airport to Boise Air Terminal (Gowen Field) Airport flights. The 07:45 departure with United Airlines is the earliest flight you can take. Southwest Airlines operates the last service of the day at 22:55.

  • Give yourself plenty of time to catch your DEN to BOI flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues during popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • United Airlines is your ticket to exploring Boise (and perhaps some other great corners of United States!). Browse the direct flights from Denver International Airport to Boise Air Terminal (Gowen Field) Airport offered by this carrier.

  • United Airlines is the most frequently booked airline on this route.

  • With a reliable 80.41% of services arriving on schedule, United Airlines is the most punctual carrier for DEN to BOI flights.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Denver International Airport to Boise Air Terminal (Gowen Field) Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore your chosen city. Top stopovers between DEN and BOI include:

    • Salt Lake City International Airport

    • Sacramento International Airport

    • Harry Reid Airport (formerly McCarran Airport)

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

  • Right now, ج.م.‏ 3,460 is the cheapest price we've seen for a one-way Denver International Airport to Boise Air Terminal (Gowen Field) Airport flight. The best price for a return ticket is ج.م.‏ 6,631. Keep in mind that fares could change due to demand when booking.

  • Book six months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from DEN to BOI.

  • Plan your trip for May. That's the cheapest month for flights from Denver International Airport to Boise Air Terminal (Gowen Field) Airport. If you're flexible with your dates, use the 'Whole month' tool to see the lowest price across each month.

  • Getting your hands on cheap flights from DEN to BOI is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as a new deal comes up.

  • Choose your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Denver International Airport to Boise Air Terminal (Gowen Field) Airport.

Handy information about Denver International Airport (DEN)

  • DEN's address is 8500 Pena Boulevard.

  • 80.23% of flights departing from Denver International Airport arrive at their destination on schedule. With its strong on-time performance, you're unlikely to be delayed when flying out of DEN.

  • To reach Denver International Airport from central Denver, it takes around 35 minutes if you're going by car. Of course, this depends on traffic. It's approximately 40 kilometres from the airport to the city centre.

  • Planning to catch public transport? Expect a trip time of around 1 hour 30 minutes.

  • Want a place to stay before your flight from Denver International Airport to Boise Air Terminal (Gowen Field) Airport? Check out Baymont by Wyndham Denver International Airport. Enjoy a good night's rest here before making your way to DEN.

Arriving at Boise Air Terminal (Gowen Field) Airport (BOI)

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

  • You'll find BOI at 3201 Airport Way.

  • From Boise Air Terminal (Gowen Field) Airport, Boise is approximately 18 kilometres away. It takes around 20 minutes to get to the centre driving.

  • It takes around 1 hour 35 minutes to get there using public transport.

When to fly to Boise Air Terminal (Gowen Field) Airport (BOI)

  • July is the busiest month for flights from Denver International Airport to Boise Air Terminal (Gowen Field) Airport. To avoid the crowds, visit Boise in May.

  • When reserving your flight from Denver International Airport to Boise Air Terminal (Gowen Field) Airport, consider the kind of weather you like. July is the warmest month in Boise, with the temperature ranging from 15ºC to 35ºC.

  • If you want cooler conditions, search for a cheap ticket from DEN to BOI in January. Temperatures average between -11ºC and 5ºC then.

Explore more of United States

  • Spokane is just one of the many cities in United States waiting to be discovered after you've seen Boise. Around 467 kilometres away to the north, well-known attractions include Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

  • If you're looking to explore another side of United States, head for Salt Lake City, roughly 483 kilometres south-east of Boise. Temple Square, Utah State Capitol and Red Butte Garden are the start of reasons to visit.

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