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

Flights overview

Useful information for finding cheap flights from Denver to Boise and booking your next trip

Cheapest round-trip flights	$66	Frontier Nonstop 3 hr Fri, Jan 9 — Sun, Jan 11	The cheapest round-trip flight from Denver to Boise is currently $66
Cheapest one-way flight	$34	Frontier Nonstop 3 hr Thu, Feb 12	The cheapest one-way flight from Denver to Boise is currently $34
Last-minute weekend getaway	$269	Frontier Nonstop 3 hr Fri, Nov 21 — Mon, Nov 24	The cheapest last-minute weekend getaway from Denver to Boise is currently $269
Cheapest business class flights	$447	United Nonstop 3 hr Thu, Jan 8 — Sun, Jan 11	The cheapest business class round-trip flight from Denver to Boise is currently $447

Fastest flight	1 hr 55 min	The fastest nonstop flight from Denver to Boise takes 1 hr 55 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Denver to Boise is typically December. The most expensive month to fly is typically February.

December Cheapest	Typical prices: $120–480
February Most expensive	Typical prices: $215–430

Popular airlines from Denver to Boise

United

Nonstop

from $177

Typical price: $220–445

35 weekly nonstop flights

DEN - BOI Every day

235 weekly connecting flights

DEN - BOI Every day
Southwest

Nonstop

from $177

Typical price: $215–415

20 weekly nonstop flights

DEN - BOI Every day

389 weekly connecting flights

DEN - BOI Every day
Delta

from $197

Typical price: $230–475

169 weekly connecting flights

DEN - BOI Every day
Alaska

from $199

Typical price: $245–495

110 weekly connecting flights

DEN - BOI Every day
American

from $197

Typical price: $290–600

68 weekly connecting flights

DEN - BOI Every day
Frontier

Nonstop

from $66

Typical price: $105–230

1 weekly nonstop flight

DEN - BOI Every Sun

Popular airports near Denver

Denver International Airport (DEN)

Denver United States 39 min 19 mi
Colorado Springs Airport (COS)

Colorado Springs United States 1 hr 27 min 66 mi
Centennial Airport (APA)

Denver United States 27 min 14 mi
Eagle County Regional Airport (EGE)

Vail United States 2 hr 19 min 103 mi

Popular airports near Boise

Boise Airport (BOI)

Boise United States 16 min 3 mi
Friedman Memorial Airport (SUN) (SUN)

Sun Valley United States 2 hr 18 min 96 mi
Magic Valley Regional Airport (TWF)

Twin Falls United States 2 hr 9 min 116 mi
Idaho Falls Regional Airport (IDA)

Idaho Falls United States 3 hr 59 min 206 mi

Frequently asked questions about flying from Denver to Boise

When are the cheapest days to fly from Denver to Boise?

The cheapest flights from Denver to Boise are usually in December. Typical ticket prices in December range from $120 to $480.

Which airlines provide the cheapest flights from Denver to Boise?

The cheapest round-trip flight from Denver to Boise recently found on Google Flights was with Frontier from $66. The cheapest one-way flight was with Frontier from $34.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Denver to Boise is $177, flying from Jan 8 to Jan 11.
The cheapest Southwest flight from Denver to Boise is $177, flying from Jan 8 to Jan 11.
The cheapest Delta flight from Denver to Boise is $197, flying from Jan 8 to Jan 11.
The cheapest Alaska flight from Denver to Boise is $199, flying from Jan 8 to Jan 12.
The cheapest American flight from Denver to Boise is $197, flying from Jan 8 to Jan 11.
The cheapest Frontier flight from Denver to Boise is $66, flying from Jan 9 to Jan 11.

What are the cheapest flights from Denver to Boise?

The cheapest round-trip flight from Denver to Boise starts at $66 from Fri, Jan 9 to Sun, Jan 11. The cheapest one-way flight starts at $34 and departs on Thu, Feb 12.

How long does it take to fly from Denver to Boise?

1 hr 55 min is the shortest flight time from Denver to Boise.

When should you fly to Boise, United States?

The most popular time to visit Boise is summer (Jun–Aug), when days are typically hot and dry. Temperatures can drop below freezing in winter (Nov–Feb). Big-name acts and local bands perform at the Boise Music Festival (Jun).

How do I find cheap dates to fly from Denver to Boise?

It's easy to use Google Flights to find the cheapest days to fly from Denver to Boise.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What is the best airline to fly from Denver to Boise?

What counts as the best airline for your flights from Denver to Boise really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Denver to Boise.

In terms of nonstop flights, United is the most popular. United offers 35 nonstop flights and 235 connecting flights per week. United flies from Denver International Airport (DEN) to Boise Airport (BOI) .

In terms of flights, Southwest is the most popular. Southwest offers 20 nonstop flights and 389 connecting flights per week. Southwest flies from Denver International Airport (DEN) to Boise Airport (BOI) .

Other popular airlines flying from Denver to Boise are:

Delta offers 169 connecting flights per week. Delta flies from Denver International Airport (DEN) to Boise Airport (BOI) .
Alaska offers 110 connecting flights per week. Alaska flies from Denver International Airport (DEN) to Boise Airport (BOI) .
American offers 68 connecting flights per week. American flies from Denver International Airport (DEN) to Boise Airport (BOI) .
Frontier offers 1 nonstop flights per week. Frontier flies from Denver International Airport (DEN) to Boise Airport (BOI) .

The number of connecting flights refers to distinct flights with at least one stop between Denver and Boise.

Which airlines provide the cheapest flights from Denver to Boise?

The cheapest round-trip flight from Denver to Boise recently found on Google Flights was with Frontier from $66. The cheapest one-way flight was with Frontier from $34.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Denver to Boise is $177, flying from Jan 8 to Jan 11.
The cheapest Southwest flight from Denver to Boise is $177, flying from Jan 8 to Jan 11.
The cheapest Delta flight from Denver to Boise is $197, flying from Jan 8 to Jan 11.
The cheapest Alaska flight from Denver to Boise is $199, flying from Jan 8 to Jan 12.
The cheapest American flight from Denver to Boise is $197, flying from Jan 8 to Jan 11.
The cheapest Frontier flight from Denver to Boise is $66, flying from Jan 9 to Jan 11.

Which airlines have direct flights from Denver to Boise?

United, Southwest and Frontier fly direct from Denver to Boise.

There are 35 United direct flights from Denver to Boise per week. Flights are available every day.
There are 20 Southwest direct flights from Denver to Boise per week. Flights are available every day.
There are 1 Frontier direct flights from Denver to Boise per week. Flights are available on Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

Which airline provides the cheapest last-minute getaway flight from Denver to Boise?

The cheapest last-minute deal between Denver and Boise at price $269 is offered by Frontier from Fri, Nov 21 to Mon, Nov 24.

Which airlines have direct flights from Denver to Boise?

United, Southwest and Frontier fly direct from Denver to Boise.

There are 35 United direct flights from Denver to Boise per week. Flights are available every day.
There are 20 Southwest direct flights from Denver to Boise per week. Flights are available every day.
There are 1 Frontier direct flights from Denver to Boise per week. Flights are available on Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

When are direct flights from Denver to Boise available?

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

What are the cheapest direct flights from Denver to Boise?

The cheapest direct (nonstop) round-trip flights between Denver and Boise start at $66 from Fri, Jan 9 to Sun, Jan 11 with Frontier.

How can I find nonstop flights from Denver to Boise?

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Denver to Boise, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

What are the cheapest business class flights from Denver to Boise?

The cheapest business class round-trip flights between Denver and Boise start at $447 from Thu, Jan 8 to Sun, Jan 11 with United.

What are the cheapest economy class flights from Denver to Boise?

The cheapest economy class round-trip flights between Denver and Boise start at $66 from Fri, Jan 9 to Sun, Jan 11.

How can I book business class trips from Denver to Boise?

To book business class trips from Denver to Boise, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

Are there any last-minute deals from Denver to Boise next weekend?

The best last-minute getaway deal for the next weekend between Denver and Boise starts at $269 from Fri, Nov 21 to Mon, Nov 24 with Frontier.

Which airline provides the cheapest last-minute getaway flight from Denver to Boise?

The cheapest last-minute deal between Denver and Boise at price $269 is offered by Frontier from Fri, Nov 21 to Mon, Nov 24.

How can I find last-minute flight deals from Denver to Boise?

To find last-minute flight deals from Denver to Boise, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.