DEN - BOI

$54 Find Cheap Flights from Denver to Boise - 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 Denver to Boise departing on 8/27. 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
$173
Typical prices: $169-$359
Frontier
Sun 8/23Tue 8/25
DEN - BOI • Non-stop
Cheapest one-way
$54
Typical prices: $132-$330
Frontier
Thu 8/27
DEN - BOI • Non-stop
Nonstop flights
You can fly direct with Southwest, United Airlines and Frontier. Average duration is 1h 57m
Direct flights
Direct flights
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+1
Direct flights
Direct flights
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When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 53% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 47% price drop
Most popular
Good to know
Good to know
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Flight Deals

Cheap Flights from Denver to Boise (DEN-BOI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to Boise 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 Denver to Boise

Sun, Aug 23 - Tue, Aug 25
Frontier Logo
9:29 am - 11:29 am
DEN
-
BOI
2h 00mnonstop
Frontier Logo
1:24 pm - 3:30 pm
BOI
-
DEN
2h 06mnonstop
$173Frontier
Sun, Aug 30 - Sun, Sep 6
Frontier Logo
9:29 am - 11:29 am
DEN
-
BOI
2h 00mnonstop
Frontier Logo
12:24 pm - 2:30 pm
BOI
-
DEN
2h 06mnonstop
$173Frontier
Thu, Aug 27 - Tue, Sep 1
Multiple Airlines Logo
9:29 am - 11:29 am
DEN
-
BOI
2h 00mnonstop
Multiple Airlines Logo
4:20 pm - 11:16 pm
BOI
-
DEN
6h 56m
1 stop
$173Multiple Airlines
Thu, Sep 3 - Sun, Sep 6
Multiple Airlines Logo
9:29 am - 11:29 am
DEN
-
BOI
2h 00mnonstop
Multiple Airlines Logo
5:52 pm - 11:16 pm
BOI
-
DEN
5h 24m
1 stop
$183Multiple Airlines
Tue, Nov 3 - Thu, Nov 5
United Airlines Logo
8:45 pm - 10:59 pm
DEN
-
BOI
2h 14mnonstop
United Airlines Logo
6:30 am - 8:28 am
BOI
-
DEN
1h 58mnonstop
$197United Airlines
Wed, Sep 2 - Mon, Sep 7
United Airlines Logo
7:40 am - 9:35 am
DEN
-
BOI
1h 55mnonstop
United Airlines Logo
6:30 am - 8:31 am
BOI
-
DEN
2h 01mnonstop
$197United Airlines
Wed, Sep 23 - Thu, Sep 24
Southwest Logo
9:15 pm - 11:15 pm
DEN
-
BOI
2h 00mnonstop
Southwest Logo
2:55 pm - 4:45 pm
BOI
-
DEN
1h 50mnonstop
$197Southwest
Tue, Nov 17 - Thu, Nov 19
Southwest Logo
1:10 pm - 3:10 pm
DEN
-
BOI
2h 00mnonstop
Southwest Logo
1:10 pm - 2:55 pm
BOI
-
DEN
1h 45mnonstop
$197Southwest
Thu, Sep 24 - Mon, Sep 28
Delta Logo
5:30 am - 9:51 am
DEN
-
BOI
4h 21m
1 stop
Delta Logo
6:44 pm - 10:40 pm
BOI
-
DEN
3h 56m
1 stop
$217Delta
Thu, Aug 20 - Sat, Aug 22
Delta Logo
5:35 am - 9:48 am
DEN
-
BOI
4h 13m
1 stop
Delta Logo
6:00 am - 9:14 am
BOI
-
DEN
3h 14m
1 stop
$217Delta
Booking Insights

KAYAK's insights & trends for Denver to Boise flights

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

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

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

Flight prices are typical for this route right now.

Flights to Boise from Denver usually cost between $169 and $359 in August.
The lowest price found in the past 5 days was $173 on Frontier (Aug 20-Aug 23).

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

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

If you are looking for a flight deal from Denver to Boise, look for departures on Thursdays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from Boise, Thursday is the cheapest day to fly and Sunday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to Boise, 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 Denver to Boise is February, where tickets cost $133 (return) on average. On the other hand, the most expensive months are July and May, where the average cost of round-trip tickets is $329 and $320 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to Boise, 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 Denver to Boise, you should book around 4 weeks before departure, which saves you about 53% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Denver to Boise

 
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

January

Cheapest flight

$54
Best time to beat the crowds with an average 30% drop in price.
Most popular time to fly and prices are also 23% lower on average.
Flight from Denver to Boise

When to book flights from Denver to Boise

Are your dates flexible? Find out the best times to travel from Denver to Boise 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 Denver to Boise

  • How can I fly from DEN to BOI?

    United Airlines and Southwest are two airlines that operate non-stop flights from DEN to BOI. Delta, Spirit Airlines, American Airlines, Alaska Airlines, and Frontier are examples of some of the airlines that operate flights from DEN to BOI with one stop in between. Layover cities include Seattle (SEA), Salt Lake City (SLC), San Francisco (SFO), Los Angeles (LAX), and Phoenix (PHX).

  • Does BOI have facilities for nursing mothers?

    Yes. Pre-security, BOI has a Mamava lactation pod for nursing mothers. This 4X8 freestanding unit is private, clean, and lockable. It has two benches, a shelf, a mirror, a coat hook, and an outlet. Beyond security, BOI also has a lactation room. This sanitized, private location has a changing station, a chair, and a sink.

  • How do I get from BOI into downtown Boise?

    Buses run from BOI into downtown Boise to the intersection of West River Street and South Capitol Boulevard. Bus 3 can get you there in about 10min and bus 4 can get you there in about 20min. The Boise Taxi Company frequents the Arrivals lanes at BOI and often takes fares into Boise on a trip that lasts about 8min.

  • Does DEN have an animal therapy program?

    Yes. In fact, the DEN CATS (Canine Airport Therapy Squad) has about 80 dogs and one cat teamed with trained handlers. These teams roam the airport offering solace and comfort to passengers who might be feeling anxious, stressed, bereaved, or confused. These animals are recognizable in their plaid vests of bright purple that say, “Pet me.”

  • What is the cheapest flight from Denver to Boise?

    In the last 5 days, the lowest price for a flight from Denver to Boise was $54 for a one-way ticket and $173 for a round-trip.

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

    A passport is not required to fly from Denver to Boise.

  • Which airports will I be using when flying from Denver to Boise?

    Denver and Boise are both served by 1 main airport. You will leave Denver from Denver Intl and will be arriving at Boise Air Term. Gowen Fld.

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

    Only JetBlue offers inflight Wi-Fi service on the Denver to Boise flight route.

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

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

  • Which airline alliances offer flights from Denver to Boise?

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

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

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

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

    The two airlines most popular with KAYAK users for flights from Denver to Boise are Southwest and Delta. With an average price for the route of $331 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 $209 and an overall rating of 7.8.

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

    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 Denver to Boise.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boise from Denver 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 Denver to Boise?

    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 Boise with an airline and back to Denver with another airline. Booking your flights between Denver and BOI 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 Denver to Boise?

    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 Boise from Denver 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 Denver to Boise

  • Looking for a cheap flight? 25% of our users found flights on this route for $170 or less one-way and $214 or less round-trip.
  • Denver International Airport (DEN) serves as a hub for United Airlines and Frontier Airlines. It also serves as a focus city for Southwest Airlines. Boise Airport - Boise Air Terminal - Gowen Field (BOI) is not a hub for any airlines, but it is a focus city for Alaska Airlines.
  • As you're traveling through BOI, you can appreciate the work of Idaho artists at the Art Source Gallery. The gallery is located on the second floor of Concourse B.
  • If you are traveling with a service animal or pet who needs to go to the bathroom as soon as you land at BOI, you can take advantage of either of the two animal relief stations at the airport. One of them is located Landside, outside the baggage claim, on the first floor, to the west. The other animal relief area is Airside.
  • If you want to stay near the DEN the night before your flight to BOI, consider staying at the Westin Hotel at Denver International Airport. This hotel is on airport grounds and connected to the airport. Aside from its convenient proximity to the airport, this hotel has a pool and a restaurant.
  • In Terminal A, DEN features a USO lounge that welcomes active duty, reserve, guard, or dependents with a US military ID card. Open from 7 am to 7 pm, this USO offers coffee and tea, snacks, beverages, charging stations, Wi-Fi, TV, comfy seating, a sleeping area, and flight boards.

Prefer to fly direct from Denver to Boise?

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

Direct departures

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

Direct returns

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

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

Information on your arrival and departure airports