£107 Cheap Flights from Denver (DEN) to Boise (BOI)

View £107 flight on Thu, 28 May 2026Opens in a new window

Popular airlines from Denver International Airport (DEN) to Boise Airport (BOI)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Denver (DEN) to Boise (BOI)

Prices were available within the past 7 days and start at £107 for one-way flights and £197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 28 May - Tue, 2 Jun
DEN
Denver
BOI
Boise
£197 Return, found 4 days ago
£197
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Denver to Boise, returning Tue, 2 Jun, priced at £197 found 4 days ago
Alaska Airlines
Thu, 28 May - Tue, 2 Jun
DEN
Denver
BOI
Boise
£219 Return, found 3 days ago
£219
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Denver to Boise, returning Tue, 2 Jun, priced at £219 found 3 days ago
Alaska Airlines
Wed, 19 Aug - Wed, 26 Aug
DEN
Denver
BOI
Boise
£226 Return, found 2 days ago
£226
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 19 Aug from Denver to Boise, returning Wed, 26 Aug, priced at £226 found 2 days ago
Alaska Airlines
Thu, 28 May - Tue, 2 Jun
DEN
Denver
BOI
Boise
£227 Return, found 4 days ago
£227
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Denver to Boise, returning Tue, 2 Jun, priced at £227 found 4 days ago
Alaska Airlines
Thu, 28 May - Tue, 2 Jun
DEN
Denver
BOI
Boise
£230 Return, found 3 days ago
£230
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Denver to Boise, returning Tue, 2 Jun, priced at £230 found 3 days ago
Alaska Airlines
Wed, 19 Aug - Wed, 26 Aug
DEN
Denver
BOI
Boise
£233 Return, found 2 days ago
£233
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 19 Aug from Denver to Boise, returning Wed, 26 Aug, priced at £233 found 2 days ago
Alaska Airlines
Thu, 28 May - Tue, 2 Jun
DEN
Denver
BOI
Boise
£234 Return, found 4 days ago
£234
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Denver to Boise, returning Tue, 2 Jun, priced at £234 found 4 days ago
Alaska Airlines
Tue, 23 Jun - Tue, 30 Jun
DEN
Denver
BOI
Boise
£241 Return, found 2 days ago
£241
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 23 Jun from Denver to Boise, returning Tue, 30 Jun, priced at £241 found 2 days ago
Alaska Airlines
Tue, 14 Jul - Wed, 29 Jul
DEN
Denver
BOI
Boise
£242 Return, found 6 days ago
£242
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 14 Jul from Denver to Boise, returning Wed, 29 Jul, priced at £242 found 6 days ago
Alaska Airlines
Tue, 23 Jun - Tue, 30 Jun
DEN
Denver
BOI
Boise
£243 Return, found 2 days ago
£243
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 23 Jun from Denver to Boise, returning Tue, 30 Jun, priced at £243 found 2 days ago

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI) cost?
One-way flights typically cost between $788 and $2,250 and return flights often range between $788 and $2,250. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
April is typically the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI), with average round-trip fares around 649 CAD. This is about 17% lower than the average price throughout the year. April often sees lower prices as it's outside of peak holiday seasons and before the summer travel rush. Other cheap months to fly from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI) include February and August.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
Enter DEN to BOI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
The best airline to fly with from Denver, CO (DEN-Denver Intl.) (DEN) to Boise, ID (BOI) (BOI) will differ from traveler to traveler. If you like to fly early, F9 offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. WN offers the most daily flights from Denver, CO (DEN-Denver Intl.) (DEN) to Boise, ID (BOI) (BOI), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
The best time to fly from Denver, CO (DEN-Denver Intl.) (DEN) to Boise, ID (BOI) (BOI) is typically April or August. These months offer a great balance, as they are both among the cheapest and most popular times to travel. You can expect average round-trip flight prices around 649 CAD, and with high demand, you'll find plenty of flight options to suit your schedule. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
There are approximately 9 nonstop flights per day from Denver, CO (DEN-Denver Intl.) (DEN) to Boise, ID (BOI). For even more choice, look at flights that include layovers, as there are around 80 connecting flights per day. Some common connection points include Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), and Sky Harbor Intl. (PHX).
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from DEN to BOI. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
If you're flying from Denver, CO (DEN-Denver Intl.) (DEN) to Boise, ID (BOI), you'll typically find the most flights on a Friday, with around 64 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, United Airlines, and Alaska Airlines. Friday offers notably more flight options compared to other days of the week, making it a great day to find a flight that suits your schedule.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
The most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI) are in the morning, from 6am to 9am. About 28% of passengers prefer this time. Major carriers, including Alaska Airlines and Southwest Airlines, offer flights during this window. Many travelers prefer these early morning flights because they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
Flying nonstop from DEN to BOI takes around 2 hours, with the route covering approximately 648 miles. Flights with a layover typically take 3 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
Select the "Business class" and "First class" filters when looking for DEN to BOI flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI)?
If you booked your Denver, CO (DEN-Denver Intl.) to Boise, ID (BOI) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Boise
Return price
£196
Distance
1036 km
Average flight time
2 hours 1 min

Book with confidence

Compare flights from Denver to Boise easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Denver to Boise. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Boise in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Denver Intl. to Boise.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Denver Intl. (DEN) to Boise (BOI)

The easiest way to view the best deals on flights from Denver to Boise today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Denver Intl. to Boise start at just £197 and range up to £243.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Denver and Boise
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Denver to Boise flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Denver Intl. to Boise for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Denver to Boise easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.