United States · 2,074 miles (3,338 km)

Charlotte (CLT) to Ontario (ONT) flights

One airline flies nonstop from Charlotte (CLT) to Ontario (ONT): American Airlines. The two airports are 2,074 miles (3,338 km) apart. American Airlines is in oneworld. There are also 19 ways to fly it with one stop, through Nashville, Phoenix and Las Vegas and more.

Airlines flying nonstop from CLT to ONT

  • American Airlines logo
    American Airlinesoneworld · bookable with 9 programsWho books it

Book CLT to ONT with points

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

CLT to ONT with one stop

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

  • Via Nashville (BNA)Southwest Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Phoenix (PHX)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Las Vegas (LAS)American Airlines, then Southwest Airlines and Frontier Airlines
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
    American Airlines logo
    Frontier Airlines logo
    American Airlines logo
    Frontier Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
    +1
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Austin (AUS)American Airlines, then Southwest Airlines
    American Airlines logo
    Southwest Airlines logo
  • Via Houston (IAH)United Airlines and Frontier Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Houston (HOU)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Sacramento (SMF)American Airlines, then Southwest Airlines and Frontier Airlines
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via San Francisco (SFO)American Airlines, then United Airlines and Frontier Airlines
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
See all 19 in Routes

CLT to ONT: common questions

Which airlines fly nonstop from CLT to ONT?

American Airlines (oneworld) flies nonstop from Charlotte (CLT) to Ontario (ONT).

How far is Charlotte from Ontario by plane?

Charlotte (CLT) and Ontario (ONT) are 2,074 miles (3,338 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book CLT 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.

How many miles does CLT to ONT cost?

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

Where can I connect between Charlotte and Ontario?

The most direct connections are through Nashville (BNA), Phoenix (PHX), Las Vegas (LAS), Dallas (DFW) and Atlanta (ATL). On 12 of them the same airline flies both flights, for example Southwest Airlines through Nashville.

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.