$95 Find Cheap Flights from Boise to Denver - Compare and Save

These are the earliest and latest flight times available from Boise to Denver:

• Earliest: departs at 5:00 am and lands at 6:58 am
• Latest: departs at 6:25 pm and lands at 8:23 pm.

The flight takes about 1h 58m.

Two cabin classes are available on flights from Boise to Denver:

• Economy Class
• First Class

A nonstop flight from Boise to Denver takes 1h 58m, covering 647 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Boise to Denver range from $238 to $390, with an average of $310 over the past 12 months. Anything below $238 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 56% above the $310 route average. Book 23 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $221 round-trip via Seattle/Tacoma Intl (SEA), compared to $312 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737-900 variants.

Morning is the busiest departure period on Boise to Denver flights, with 58% of flights leaving in that window. Afternoon departures account for 28%, evening flights for 14%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $206 to $988. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Boise to Denver are currently lower than usual. Average one-way flight prices are about $109, which is 33% below the typical average for this route.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Ace
• Europcar
• NU Car
• Hertz

Flights from Boise to Denver usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Denver Intl (DEN).

One-stop flights from Boise to Denver most commonly connect through:

• Salt Lake City (SLC) - 35% of one-stop connections
• Portland (PDX) - 30% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 22% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 13% of one-stop connections

Yes. Flexible dates can save you up to 21% on flights from Boise to Denver. Tuesday is the cheapest departure day at $278 round-trip on average, while Monday is the most expensive at $349, a difference of $71.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Boise and Denver. The airlines offering nonstop flights on this route include:

• United Airlines
• Southwest

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 14m, compared with 5h 05m via Portland (PDX) and 6h 27m via Seattle/Tacoma Intl (SEA).

Some of the most popular sights in Denver are Colorado Convention Center, Coors Field and Ball Arena. These are among the most viewed places in Denver on KAYAK.

Among airlines operating Boise to Denver flights:

• United Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection
• Frontier: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag and a checked bag in Economy Class
• Frontier: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Airport rail takes about 37 minutes. You'll find them adjacent to Westin Denver International Airport at level 1. Rental cars are at Island 4, Terminal level 5, for passengers who desire a convenient and private means of transport. You will find taxis at Island 1 outside doors 507 and 510, taking approximately 25 minutes to the city center. You can also board the bus at the transit center at level 1 on the South end of Jeppesen terminal.

Alaska Airlines requires passengers with disability to inform them of the services they need before the flight. You should arrive at the airport at least 2 hours before departure. There are wheelchairs and wheelchair escorts at the airport to assist customers. Passengers who are hard of hearing should identify themselves at the gate and on board to ensure they do not miss important flight information. The visually impaired passengers receive assistance to and from the gates to connect flights and on and off the aircraft. Alaska Airlines doesn't allow more than two service dogs. They require you to make service animal travel requests at least five days before departure.

Pet lovers traveling from Boise to Denver using Spirit Airlines can travel with small cats, dogs, or household birds. The weight of the pet and the carrier should not exceed 40 lbs. Passengers can carry a maximum of one pet carrier and two pets. Pets do not travel as checked baggage with Spirit Airlines. You will be charged extra for any pet carrier exceeding 18x14x9 inches.

Families traveling with kids from Boise to Denver using United Airlines should purchase a ticket and seat for children older than two. Infants can sit on the adult's lap or have their seat if they have an FAA-approved car seat. Ranger Rick's travels kit with crayons and a toy helps distract and engage children through the flight. Breastfeeding mothers will receive ice to store formula and breast milk for free.