Nonstop flights from Ontario ONT
You can fly nonstop from Ontario International Airport (ONT) to 29 destinations in 4 countries, on 11 airlines. The airlines with the most nonstop routes here are Southwest Airlines (12), Frontier Airlines (9) and Alaska Airlines (5). Outside the United States, the most destinations are in Mexico (3), El Salvador (1) and Taiwan (1). The longest is Taipei (TPE), 6,818 miles (10,973 km).
Filter these routes in RoutesAll 29 nonstop destinations from ONT
Pick one for every airline on the route, the 1-stop connections and which points programs can book it.
North America 路 28
- Atlanta ATLUnited States 路 1,895 mi
- Austin AUSUnited States 路 1,194 mi
- Boise BOIUnited States 路 662 mi
- Charlotte CLTUnited States 路 2,074 mi
- Chicago MDWUnited States 路 1,703 mi
- Chicago ORDUnited States 路 1,696 mi
- Dallas DALUnited States 路 1,197 mi
- Dallas DFWUnited States 路 1,186 mi
- Denver DENUnited States 路 817 mi
- Guadalajara GDLMexico 路 1,279 mi
- Honolulu HNLUnited States 路 2,599 mi
- Houston HOUUnited States 路 1,342 mi
- Houston IAHUnited States 路 1,331 mi
- Las Vegas LASUnited States 路 197 mi
- Leon/Guanajuato BJXMexico 路 1,335 mi
- Morelia MLMMexico 路 1,412 mi
- Nashville BNAUnited States 路 1,747 mi
- New York JFKUnited States 路 2,423 mi
- Oakland OAKUnited States 路 361 mi
- Phoenix PHXUnited States 路 324 mi
- Portland PDXUnited States 路 839 mi
- Sacramento SMFUnited States 路 390 mi
- Salt Lake City SLCUnited States 路 557 mi
- San Francisco SFOUnited States 路 364 mi
- San Jose SJCUnited States 路 334 mi
- San Salvador SALEl Salvador 路 2,285 mi
- Santa Rosa STSUnited States 路 423 mi
- Seattle SEAUnited States 路 957 mi
Asia 路 1
Airlines flying from ONT
oneworld: 9 destinations 路 Star Alliance: 5 destinations 路 SkyTeam: 4 destinations
- Southwest Airlines12 routes
- Frontier Airlines9 routes
- Alaska Airlinesoneworld5 routes
- American Airlinesoneworld4 routes
- United AirlinesStar Alliance4 routes
- Delta Air LinesSkyTeam3 routes
- Volaris3 routes
- AVIANCAStar Alliance1 route
- China AirlinesSkyTeam1 route
- JetBlue Airways1 route
- Starlux Airlines1 route
Flights from ONT: common questions
How many nonstop destinations are there from ONT?
29 destinations in 4 countries have a nonstop flight from Ontario International Airport (ONT), flown by 11 airlines. Pick any of them on this page to see every airline on the route and the 1-stop connections.
Which airlines fly from ONT?
11 airlines fly nonstop from ONT. By number of destinations: Southwest Airlines (12), Frontier Airlines (9), Alaska Airlines (5), American Airlines (4), United Airlines (4), Delta Air Lines (3), Volaris (3) and AVIANCA (1).
What is the longest nonstop flight from ONT?
Ontario (ONT) to Taipei (TPE), on China Airlines and Starlux Airlines, at about 6,818 miles (10,973 km) as the crow flies. Next is Honolulu (HNL), about 2,599 miles (4,183 km).
Which countries can you fly to nonstop from ONT?
4 countries. The most destinations are in the United States (24), Mexico (3), El Salvador (1) and Taiwan (1).
Which airline alliance has the most routes from ONT?
oneworld airlines fly to 9 destinations, Star Alliance airlines fly to 5 destinations and SkyTeam airlines fly to 4 destinations nonstop from ONT. The rest are flown only by airlines outside the three alliances.
More airports in the United States
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.