United States Β· 455 miles (733 km)

Billings (BIL) to Denver (DEN) flights

Air Canada Aeroplan logo
6,000 milesCheapest economy award, one way, with Air Canada Aeroplan

An economy award from Billings (BIL) to Denver (DEN) starts at 6,000 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. One airline flies nonstop from Billings (BIL) to Denver (DEN): United Airlines. The two airports are 455 miles (733 km) apart. United Airlines is in Star Alliance. There are also 2 ways to fly it with one stop, through Salt Lake City and Las Vegas.

How many miles BIL to DEN 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
Air Canada AeroplanOn United Airlines6,000$33.60
Emirates SkywardsOn United Airlines8,000$5.60–355.60
Avianca LifeMilesOn United Airlines12,500$30.60
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 BIL to DEN

  • United Airlines logo
    United AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book BIL to DEN with points

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

BIL to DEN with one stop

2 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
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    +1
  • Via Las Vegas (LAS)Allegiant Air, then Frontier Airlines, United Airlines and 1 more
    Allegiant Air logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo

BIL to DEN: common questions

How many miles does BIL to DEN cost?

In economy it starts at 6,000 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. Next cheapest: Emirates Skywards (8,000), Avianca LifeMiles (12,500) 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 BIL to DEN?

United Airlines (Star Alliance) flies nonstop from Billings (BIL) to Denver (DEN).

How far is Billings from Denver by plane?

Billings (BIL) and Denver (DEN) are 455 miles (733 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book BIL to DEN 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 Billings and Denver?

The most direct connections are through Salt Lake City (SLC) and Las Vegas (LAS). On 1 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.