United States Β· 677 miles (1,090 km)

Portland (PDX) to Billings (BIL) flights

One airline flies nonstop from Portland (PDX) to Billings (BIL): Alaska Airlines. The two airports are 677 miles (1,090 km) apart. Alaska Airlines is in oneworld. There are also 4 ways to fly it with one stop, through Seattle, Salt Lake City and Denver and more.

Airlines flying nonstop from PDX to BIL

  • Alaska Airlines logo
    Alaska Airlinesoneworld Β· bookable with 9 programsWho books it

Book PDX to BIL with points

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

PDX to BIL with one stop

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

  • Via Seattle (SEA)Alaska Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Denver (DEN)United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    United Airlines logo
  • Via Las Vegas (LAS)Alaska Airlines, Southwest Airlines and 1 more, then Allegiant Air
    Alaska Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Allegiant Air logo

PDX to BIL: common questions

Which airlines fly nonstop from PDX to BIL?

Alaska Airlines (oneworld) flies nonstop from Portland (PDX) to Billings (BIL).

How far is Portland from Billings by plane?

Portland (PDX) and Billings (BIL) are 677 miles (1,090 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book PDX to BIL award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does PDX to BIL cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for PDX to BIL with taxes and fees.

Where can I connect between Portland and Billings?

The most direct connections are through Seattle (SEA), Salt Lake City (SLC), Denver (DEN) and Las Vegas (LAS). On 3 of them the same airline flies both flights, for example Alaska Airlines through Seattle.

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.