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Ontario International Airport in Ontario, United States has 40 nonstop destinations to North America across 3 countriesin FlightQ's current schedule set. Use this reference for route research, airline coverage, frequency, distance, and estimated flight times.
Schedule snapshot checked Jun 15, 2026.
The busiest listed route in this group is ONT to DEN for Denver, with 8-9/day service in the current sample from Southwest Airlines, United Airlines, and Frontier Airlines.
| Destination | Country | Distance | Est. time | Airlines | Frequency |
|---|---|---|---|---|---|
| Denver (DEN) Denver International Airport | United States | 818 mi | ~2h 16m | Southwest Airlines, United Airlines, and Frontier Airlines | 8-9/day |
| Seattle (SEA) Seattle-Tacoma International Airport | United States | 957 mi | ~2h 34m | Alaska Airlines, Delta Air Lines, and Frontier Airlines | 8-9/day |
| Dallas (DFW) Dallas-Fort Worth International Airport | United States | 1,186 mi | ~3h 2m | American Airlines and Frontier Airlines | 7-8/day |
| Phoenix (PHX) Phoenix Sky Harbor International Airport | United States | 324 mi | ~1h 15m | Southwest Airlines and American Airlines | 7-8/day |
| Las Vegas (LAS) Harry Reid International Airport | United States | 197 mi | ~59m | Southwest Airlines and Frontier Airlines | 6-7/day |
| Sacramento (SMF) Sacramento International Airport | United States | 390 mi | ~1h 23m | Southwest Airlines | 6-7/day |
| Oakland (OAK) Oakland San Francisco Bay Airport | United States | 362 mi | ~1h 20m | Southwest Airlines | 4-5/day |
| San Francisco (SFO) San Francisco International Airport | United States | 363 mi | ~1h 20m | United Airlines and Frontier Airlines | 4/day |
| San Jose (SJC) Norman Y Mineta San Jose International Airport | United States | 333 mi | ~1h 16m | Southwest Airlines | 4/day |
| Salt Lake City (SLC) Salt Lake City International Airport | United States | 558 mi | ~1h 44m | Delta Air Lines | 3-4/day |
| Portland (PDX) Portland International Airport | United States | 839 mi | ~2h 19m | Alaska Airlines | 3/day |
| Atlanta (ATL) Hartsfield/Jackson Atlanta International Airport | United States | 1,895 mi | ~4h 30m | Delta Air Lines | 2-3/day |
| Honolulu (HNL) Daniel K Inouye International Airport | United States | 2,599 mi | ~5h 57m | Alaska Airlines and Southwest Airlines | 2-3/day |
| Guadalajara (GDL) Don Miguel Hidalgo Y Costilla International Airport | Mexico | 1,279 mi | ~3h 13m | Volaris | 2/day |
| Houston (IAH) George Bush Intcntl/Houston Airport | United States | 1,331 mi | ~3h 20m | United Airlines and Frontier Airlines | 1-2/day |
| Santa Barbara (SBA) Santa Barbara Municipal Airport | United States | 130 mi | ~51m | West Air (USA) and Empire Airlines | 1-2/day |
| Bakersfield (BFL) Meadows Field | United States | 126 mi | ~51m | West Air (USA) and Empire Airlines | 1-2/day |
| Dallas (DAL) Dallas Love Field | United States | 1,197 mi | ~3h 3m | Southwest Airlines | 1-2/day |
| Austin (AUS) Austin-Bergstrom International Airport | United States | 1,194 mi | ~3h 3m | Southwest Airlines | 1-2/day |
| Baltimore (BWI) Baltimore/Washington International Thurgood Marshall Airport | United States | 2,278 mi | ~5h 17m | Southwest Airlines | 1/day |
| Charlotte (CLT) Charlotte/Douglas International Airport | United States | 2,073 mi | ~4h 52m | American Airlines | 1/day |
| Nashville (BNA) Nashville International Airport | United States | 1,747 mi | ~4h 11m | Southwest Airlines | 1/day |
| Chicago (MDW) Chicago Midway International Airport | United States | 1,702 mi | ~4h 6m | Southwest Airlines | 1/day |
| Chicago (ORD) Chicago O'Hare International Airport | United States | 1,696 mi | ~4h 5m | United Airlines | 1/day |
| Houston (HOU) William P Hobby Airport | United States | 1,342 mi | ~3h 21m | Southwest Airlines | 1/day |
| Boise (BOI) Boise Air Trml/Gowen Field | United States | 661 mi | ~1h 57m | Alaska Airlines | 1/day |
| San Luis Obispo (SBP) San Luis Obispo County Regional Airport | United States | 191 mi | ~59m | West Air (USA) | 1/day |
| New York (JFK) John F Kennedy International Airport | United States | 2,424 mi | ~5h 35m | JetBlue Airways | 1/day |
| Santa Maria (SMX) Santa Maria Pub/Capt G Allan Hancock Field | United States | 173 mi | ~56m | West Air (USA) | 1/day |
| Inyokern (IYK) Inyokern Airport | United States | 111 mi | ~49m | West Air (USA) | 1/day |
| Lancaster (WJF) General Wm J Fox Airfield | United States | 59 mi | ~42m | West Air (USA) | 1/day |
| Santa Clara (SAL) El Salvador International Airport | El Salvador | 2,285 mi | ~5h 18m | Avianca | 3×/wk |
| Santa Rosa (STS) Charles M Schulz/Sonoma County Airport | United States | 423 mi | ~1h 27m | Alaska Airlines and American Airlines | 3×/wk |
| Morelia (MLM) General Francisco J. Mujica International Airport | Mexico | 1,412 mi | ~3h 30m | Volaris | 2×/wk |
| Silao (BJX) Del Bajio International Airport | Mexico | 1,335 mi | ~3h 20m | Volaris | 2×/wk |
| Raleigh (RDU) Raleigh-Durham International Airport | United States | 2,187 mi | ~5h 6m | Southwest Airlines | weekly |
| Cincinnati (CVG) Cincinnati/Northern Kentucky International Airport | United States | 1,850 mi | ~4h 24m | Alaska Airlines | weekly |
| Colorado Springs (COS) City Of Colorado Springs Municipal Airport | United States | 788 mi | ~2h 13m | Southwest Airlines | weekly |
| Scottsdale (SCF) Scottsdale Airport | United States | 328 mi | ~1h 16m | My Jet Xpress Airlines | weekly |
| Bullhead City (IFP) Laughlin/Bullhead International Airport | United States | 189 mi | ~58m | Sun Country Airlines | weekly |
Frequency is based on the current FlightQ schedule sample. Distance is airport-to-airport great-circle mileage.
| Airline | Destinations | Flights | Top routes |
|---|---|---|---|
| Southwest Airlines | 15 | 247 | |
| Alaska Airlines | 6 | 71 | |
| Frontier Airlines | 6 | 54 | |
| West Air (USA) | 6 | 35 | |
| American Airlines | 4 | 69 | |
| United Airlines | 4 | 54 | |
| Delta Air Lines | 3 | 65 | |
| Volaris | 3 | 18 | |
| Empire Airlines | 2 | 8 | |
| JetBlue Airways | 1 | 6 | |
| Avianca | 1 | 3 | |
| My Jet Xpress Airlines | 1 | 1 |
Top destination countries in this view include United States, Mexico, and El Salvador.
FlightQ currently lists 40 nonstop destinations from ONT to North America, including Denver (DEN), Seattle (SEA), Dallas (DFW), and Phoenix (PHX).
Named carriers in this schedule set include Southwest Airlines, Alaska Airlines, Frontier Airlines, and West Air (USA).
No. The list is built from FlightQ's current schedule capture, and airlines change timetables seasonally. Confirm exact dates and availability before booking.