BOI - DEN

$40 Find Cheap Flights from Boise to Denver - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boise to Denver departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$157
Typical prices: $145-$309
Frontier
Sun 10/25Wed 10/28
BOI - DEN • 1 stop
Cheapest non-stop
$180
Typical prices: $188-$395
Southwest
Sat 9/5Sat 9/12
BOI - DEN • Non-stop
Nonstop flights
You can fly direct with Southwest, United Airlines and Frontier. Average duration is 1h 57m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 58% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 22% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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Flight Deals

Cheap Flights from Boise to Denver (BOI-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boise to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to Denver

Sun, Oct 25 - Wed, Oct 28
Frontier Logo
3:52 pm - 3:52 amBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
12h 00m1 stop Las Vegas Harry Reid Intl
Frontier Logo
10:30 pm - 2:57 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
16h 27m1 stop Las Vegas Harry Reid Intl
$157Frontier
Mon, Oct 12 - Fri, Oct 16
Frontier Logo
2:50 pm - 9:49 amBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
18h 59m1 stop Las Vegas Harry Reid Intl
Frontier Logo
7:00 am - 1:55 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
6h 55m1 stop Las Vegas Harry Reid Intl
$160Frontier
Sat, Sep 5 - Tue, Sep 8
Multiple Airlines Logo
1:32 pm - 6:32 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
5h 00m1 stop Portland
Multiple Airlines Logo
10:29 am - 12:29 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
2h 00mnonstop
$169Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
1:24 pm - 3:30 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
2h 06mnonstop
Multiple Airlines Logo
7:08 pm - 9:56 amDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
14h 48m1 stop Seattle/Tacoma Intl
$174Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
Southwest Logo
12:55 pm - 2:45 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
1h 50mnonstop
Southwest Logo
2:00 pm - 3:55 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
1h 55mnonstop
$180Southwest
Wed, Sep 2 - Sat, Sep 5
Southwest Logo
2:25 pm - 4:20 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
1h 55mnonstop
Southwest Logo
7:30 pm - 9:35 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
2h 05mnonstop
$180Southwest
Wed, Nov 11 - Sat, Nov 14
United Airlines Logo
2:51 pm - 4:45 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
1h 54mnonstop
United Airlines Logo
3:55 pm - 6:03 pmDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
2h 08mnonstop
$185United Airlines
Thu, Sep 10 - Thu, Sep 17
United Airlines Logo
5:40 pm - 7:41 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
2h 01mnonstop
United Airlines Logo
7:40 am - 9:35 amDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
1h 55mnonstop
$185United Airlines
Wed, Oct 7 - Tue, Oct 13
Delta Logo
1:06 pm - 7:34 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
6h 28m1 stop Salt Lake City
Delta Logo
5:20 am - 10:42 amDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
5h 22m1 stop Salt Lake City
$215Delta
Tue, Oct 6 - Wed, Oct 14
Delta Logo
1:06 pm - 7:34 pmBOI  Boise Air Term. Gowen Fld-DEN Denver Intl
6h 28m1 stop Salt Lake City
Delta Logo
5:20 am - 10:42 amDEN  Denver Intl-BOI Boise Air Term. Gowen Fld
5h 22m1 stop Salt Lake City
$215Delta
Booking Insights

KAYAK's insights & trends for Boise to Denver flights

Get data-powered insights and trends into flights from Boise to Denver to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Boise to Denver?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boise to Denver departing in October.

Flight prices are below average for this route right now.

Flights to Denver from Boise usually cost between $194 and $330 in October.
The lowest price found in the past 5 days was $157 on Frontier (Oct 25-Oct 28).

What’s the cheapest day of the week to fly from Boise to Denver?

The average price of all round-trip flights from Boise to Denver clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Denver on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Boise to Denver. For your return ticket, we recommend flying on a Thursday and avoiding Mondays for the best deals.

What is the cheapest month to fly from Boise to Denver?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boise to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boise to Denver is February, where tickets cost $217 (return) on average. On the other hand, the most expensive months are April and July, where the average cost of round-trip tickets is $347 and $321 respectively.

How far in advance should I book a flight from Boise to Denver?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boise to Denver, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boise to Denver, you should book around 4 weeks before departure, which saves you about 58% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Expert advice

Expert advice for your flight from Boise to Denver

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low season

March

Cheapest flight

$40
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from Boise to Denver

When to book flights from Boise to Denver

Are your dates flexible? Find out the best times to travel from Boise to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boise to Denver

  • What transportation means are available from DEN to the Denver city center?

    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.

  • Which airline gives special assistance to passengers with disability for flights from Boise to Denver?

    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.

  • Which airlines are pet-friendly from Boise to Denver?

    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.

  • Which airline is family-friendly from Boise to Denver?

    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.

  • What is the cheapest flight from Boise to Denver?

    In the last 5 days, the lowest price for a flight from Boise to Denver was $40 for a one-way ticket and $157 for a round-trip.

  • Do I need a passport to fly between Boise and Denver?

    No

  • Which airlines offer Wi-Fi service onboard planes from Boise to Denver?

    American Airlines, Alaska Airlines, Delta, and JetBlue offer inflight Wi-Fi service on the Boise to Denver flight route.

  • Which aircraft models fly most regularly from Boise to Denver?

    The Embraer 175 (Enhanced Winglets) is the aircraft model that flies most regularly on the Boise to Denver flight route.

  • Which airline alliances offer flights from Boise to Denver?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Boise and Denver, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Boise to Denver?

    There are nonstop flights from Boise to Denver on a daily basis.

  • Which is the best airline for flights from Boise to Denver, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Boise to Denver are Southwest and Delta. With an average price for the route of $328 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $256 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Boise to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boise to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boise to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Boise is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boise to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Boise with another airline. Booking your flights between Boise and DEN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boise to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Boise up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Boise to Denver

  • Looking for a cheap flight? 25% of our users found flights on this route for $196 or less one-way and $347 or less round-trip.
  • Boise Airport (BOI) has three main terminals. The Main Terminal is for private planes and general aviation. Concourses B and C are for commercial flights. United, American, Delta, Allegiant, and Spirit Airlines flights depart from Concourse B, while Concourse C serves Alaska Airlines.
  • Denver International Airport (DEN) is one of the major airports in the US. It serves Colorado, Aurora, Front Range Urban Corridor, and metropolitan Denver. Aurora is about 12 miles from DEN. Denver and Colorado Springs are about 18 and 71 miles from DEN, respectively.
  • Minors traveling unaccompanied require a reservation with Southwest Airlines’ minor unaccompanied program. You will be required to give details of the child's name, your relationship to the child, their address, and paperwork to prove their age. It applies to children between five and 11 years old.
  • United Airlines passengers can bring two items into the cabin at no charge. The items include one personal effect and carry-on bag with a maximum dimension of 9 × 10 × 17 inches and 9 × 14 × 22 inches, respectively. The weight limit should be about 22 lb.
  • Passengers flying with United Airlines can fly with United Polaris, Business, Premium Plus, and Economy Plus. Upgrading to United Polaris gives you access to luxurious amenities like a cozy bed, a hot meal, and silk pajamas. Business class passengers get two bag carry-on allowance and a hot meal. Economy Plus has spacious seats with extra legroom.

Prefer to fly direct from Boise to Denver?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Boise Air Term. Gowen Fld to Denver Intl.
Find which airlines fly direct from Boise Air Term. Gowen Fld Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Boise Air Term. Gowen Fld to Denver Intl

Monday

Southwest,United Airlines

Southwest,United Airlines

Tuesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Wednesday

Southwest,United Airlines

Southwest,United Airlines

Thursday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Friday

Southwest,United Airlines

Southwest,United Airlines

Saturday

Southwest,United Airlines

Southwest,United Airlines

Sunday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

See more direct flights

Direct returns

Denver Intl to Boise Air Term. Gowen Fld

Monday

Southwest,United Airlines

Southwest,United Airlines

Tuesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Wednesday

Southwest,United Airlines

Southwest,United Airlines

Thursday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Friday

Southwest,United Airlines

Southwest,United Airlines

Saturday

Southwest,United Airlines

Southwest,United Airlines

Sunday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

See more direct flights

Everything you need to know for your flight from Boise to Denver

Information on your arrival and departure airports