United States Β· 648 miles (1,043 km)

Denver (DEN) to Boise (BOI) flights

Avianca LifeMiles logo
7,500 milesCheapest economy award, one way, with Avianca LifeMiles

An economy award from Denver (DEN) to Boise (BOI) starts at 7,500 miles one way with Avianca LifeMiles on United Airlines, plus taxes and fees from $30.60. 3 airlines fly nonstop from Denver (DEN) to Boise (BOI): Frontier Airlines, Southwest Airlines and United Airlines. The two airports are 648 miles (1,043 km) apart. United Airlines is in Star Alliance. There are also 17 ways to fly it with one stop, through Salt Lake City, Bozeman and Spokane and more.

How many miles DEN to BOI costs

Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyTaxes and fees
Avianca LifeMilesOn United Airlines7,500$30.60
Air Canada AeroplanOn United Airlines10,000$33.60
Emirates SkywardsOn United Airlines12,000$5.60–355.60
ANA Mileage ClubOn United Airlines15,000$5.60
Singapore Airlines KrisFlyerOn United Airlines15,000$5.60
Turkish Airlines Miles&SmilesOn United Airlines15,000$5.60–45.60
Thai Royal Orchid PlusOn United Airlines17,500$5.60
EVA Air Infinity MileageLandsOn United Airlines19,500$5.60
TAP Miles&GoOn United Airlines30,000$50.40

Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.

Compare every program in the Award Flight Pricer

Airlines flying nonstop from DEN to BOI

Book DEN to BOI with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

DEN to BOI with one stop

17 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    +1
    Delta Air Lines logo
  • Via Bozeman (BZN)United Airlines and Southwest Airlines, then Alaska Airlines
    United Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Spokane (GEG)United Airlines and Southwest Airlines, then Alaska Airlines
    United Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Las Vegas (LAS)Frontier Airlines and Southwest Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Frontier Airlines logo
  • Via Portland (PDX)Alaska Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    Alaska Airlines logo
  • Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
    American Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Sacramento (SMF)Southwest Airlines the whole way
    United Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Seattle (SEA)Alaska Airlines and Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    +3
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Palm Springs (PSP)United Airlines and Southwest Airlines, then Alaska Airlines
    United Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Santa Rosa (STS)Southwest Airlines, then Alaska Airlines
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Oakland (OAK)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via San Jose (SJC)Southwest Airlines the whole way
    United Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Ontario (ONT)Frontier Airlines, United Airlines and 1 more, then Alaska Airlines
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
  • Via San Francisco (SFO)United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    United Airlines logo
    Alaska Airlines logo
  • Via Burbank (BUR)Southwest Airlines the whole way
    United Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
See all 17 in Routes

DEN to BOI: common questions

How many miles does DEN to BOI cost?

In economy it starts at 7,500 miles one way with Avianca LifeMiles on United Airlines, plus taxes and fees from $30.60. Next cheapest: Air Canada Aeroplan (10,000), Emirates Skywards (12,000) and ANA Mileage Club (15,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.

Which airlines fly nonstop from DEN to BOI?

Frontier Airlines, Southwest Airlines and United Airlines (Star Alliance) fly nonstop from Denver (DEN) to Boise (BOI).

How far is Denver from Boise by plane?

Denver (DEN) and Boise (BOI) are 648 miles (1,043 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book DEN to BOI award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

Where can I connect between Denver and Boise?

The most direct connections are through Salt Lake City (SLC), Bozeman (BZN), Spokane (GEG), Las Vegas (LAS) and Portland (PDX). On 11 of them the same airline flies both flights, for example Delta Air Lines through Salt Lake City.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.