United States · 1,895 miles (3,049 km)

Atlanta (ATL) to Ontario (ONT) flights

SAS EuroBonus logo
15,000 milesCheapest economy award, one way, with SAS EuroBonus

An economy award from Atlanta (ATL) to Ontario (ONT) starts at 15,000 miles one way with SAS EuroBonus on Delta Air Lines, plus taxes and fees from $56. One airline flies nonstop from Atlanta (ATL) to Ontario (ONT): Delta Air Lines. The two airports are 1,895 miles (3,049 km) apart. Delta Air Lines is in SkyTeam. There are also 23 ways to fly it with one stop, through Phoenix, Dallas and Dallas and more.

How many miles ATL 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
SAS EuroBonusOn Delta Air Lines15,000$56–112
Virgin Atlantic Flying ClubOn Delta Air Lines18,500$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 ATL to ONT

Book ATL to ONT with points

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

ATL to ONT with one stop

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

  • Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    +1
    American Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    American Airlines logo
    Frontier Airlines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Las Vegas (LAS)Frontier Airlines and Southwest Airlines the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Austin (AUS)Southwest Airlines the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    United Airlines logo
    +1
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Houston (IAH)United Airlines and Frontier Airlines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Houston (HOU)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    +1
    American Airlines logo
    United Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via San Jose (SJC)Delta Air Lines, then Southwest Airlines
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Sacramento (SMF)Delta Air Lines, then Southwest Airlines and Frontier Airlines
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
See all 23 in Routes

ATL to ONT: common questions

How many miles does ATL to ONT cost?

In economy it starts at 15,000 miles one way with SAS EuroBonus on Delta Air Lines, plus taxes and fees from $56. Next cheapest: Virgin Atlantic Flying Club (18,500). 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 ATL to ONT?

Delta Air Lines (SkyTeam) flies nonstop from Atlanta (ATL) to Ontario (ONT).

How far is Atlanta from Ontario by plane?

Atlanta (ATL) and Ontario (ONT) are 1,895 miles (3,049 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book ATL to ONT award flights?

8 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, China Eastern Eastern Miles, Delta SkyMiles, Garuda Indonesia GarudaMiles, Korean Air SKYPASS, SAS EuroBonus and Virgin Atlantic Flying Club. Which flights each can book depends on its partners, so check the airline before you transfer points.

Where can I connect between Atlanta and Ontario?

The most direct connections are through Phoenix (PHX), Dallas (DFW), Dallas (DAL), Las Vegas (LAS) and Nashville (BNA). On 18 of them the same airline flies both flights, for example American Airlines through Phoenix.

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.