United States Β· 839 miles (1,351 km)

Portland (PDX) to Ontario (ONT) flights

Alaska Atmos Rewards logo
7,500 milesCheapest economy award, one way, with Alaska Atmos Rewards

An economy award from Portland (PDX) to Ontario (ONT) starts at 7,500 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $5.60. 2 airlines fly nonstop from Portland (PDX) to Ontario (ONT): Alaska Airlines and Frontier Airlines. The two airports are 839 miles (1,351 km) apart. Alaska Airlines is in oneworld. There are also 10 ways to fly it with one stop, through Sacramento, San Jose and Oakland and more.

How many miles PDX to ONT 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
Alaska Atmos RewardsOn Alaska Airlines7,500$5.60
Iberia ClubOn Alaska Airlines9,000$5.60
Starlux (COSMILE)On Alaska Airlines10,000$38.60
JAL Mileage BankOn Alaska Airlines12,000$5.60
American AAdvantageOn Alaska Airlines12,500$5.60
Qatar Airways Privilege ClubOn Alaska Airlines13,000$5.60
Cathay Pacific Asia MilesOn Alaska Airlines15,000$5.60
British Airways ClubOn Alaska Airlines16,000$5.60
Qantas Frequent FlyerOn Alaska Airlines16,100$5.60
Finnair PlusOn Alaska Airlines17,500$5.60

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 PDX to ONT

Book PDX to ONT with points

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

PDX to ONT with one stop

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

  • Via Sacramento (SMF)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via San Jose (SJC)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Oakland (OAK)Southwest Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Santa Rosa (STS)Alaska Airlines the whole way
    Alaska Airlines logo
    Alaska Airlines logo
  • Via San Francisco (SFO)United Airlines and Frontier Airlines the whole way
    Alaska Airlines logo
    United Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Las Vegas (LAS)Southwest Airlines and Frontier Airlines the whole way
    Alaska Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Boise (BOI)Alaska Airlines the whole way
    Alaska Airlines logo
    Alaska Airlines logo
  • Via Seattle (SEA)Alaska Airlines and Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo

PDX to ONT: common questions

How many miles does PDX to ONT cost?

In economy it starts at 7,500 miles one way with Alaska Atmos Rewards on Alaska Airlines, plus taxes and fees from $5.60. Next cheapest: Iberia Club (9,000), Starlux (COSMILE) (10,000) and JAL Mileage Bank (12,000). 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 PDX to ONT?

Alaska Airlines (oneworld) and Frontier Airlines fly nonstop from Portland (PDX) to Ontario (ONT).

How far is Portland from Ontario by plane?

Portland (PDX) and Ontario (ONT) are 839 miles (1,351 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 ONT 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.

Where can I connect between Portland and Ontario?

The most direct connections are through Sacramento (SMF), San Jose (SJC), Oakland (OAK), Santa Rosa (STS) and San Francisco (SFO). On 10 of them the same airline flies both flights, for example Southwest Airlines through Sacramento.

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.