Direct flights from Ontario International Airport (ONT)
Ontario International Airport in Ontario, United States has direct flights to 23 airports in 4 countries, flown by 9 airlines. The longest is to Taipei (TPE) at 10,973 km.
See every route from ONT on the map23direct destinations
4countries
9airlines
Direct flights from ONT by country
United States (20)
- AUS Austin · 1,922 km · ~2h 50m · Southwest Airlines
- BOS Boston · 4,121 km · ~5h 30m · United Airlines
- ORD Chicago · 2,730 km · ~3h 50m · United Airlines
- MDW Chicago · 2,740 km · ~3h 50m · Southwest Airlines
- DFW Dallas-Fort Worth · 1,908 km · ~2h 50m · American Airlines
- DEN Denver · 1,316 km · ~2h 5m · Frontier Airlines, United Airlines and Southwest Airlines
- HNL Honolulu · 4,184 km · ~5h 35m · Alaska Airlines
- HOU Houston · 2,160 km · ~3h 10m · Southwest Airlines
- IAH Houston · 2,142 km · ~3h 5m · United Airlines
- LAS Las Vegas · 317 km · ~55m · Frontier Airlines and Southwest Airlines
- LGA New York · 3,892 km · ~5h 15m · United Airlines
- OAK Oakland · 582 km · ~1h 15m · Southwest Airlines
- PHX Phoenix · 521 km · ~1h 10m · American Airlines and Southwest Airlines
- PDX Portland · 1,351 km · ~2h 10m · American Airlines and Alaska Airlines
- SMF Sacramento · 627 km · ~1h 15m · Southwest Airlines
- SLC Salt Lake City · 898 km · ~1h 35m · Southwest Airlines
- SAT San Antonio · 1,873 km · ~2h 45m · Southwest Airlines
- SFO San Francisco · 585 km · ~1h 15m · Frontier Airlines and United Airlines
- SJC San Jose · 536 km · ~1h 10m · Southwest Airlines
- SEA Seattle · 1,540 km · ~2h 25m · American Airlines, Alaska Airlines and Southwest Airlines
El Salvador (1)
- SAL San Salvador · 3,677 km · ~5h · avianca airlines
Mexico (1)
- GDL Guadalajara · 2,059 km · ~3h · Aeromexico and Volaris
Taiwan (1)
- TPE Taipei · 10,973 km · ~13h 55m · China Airlines
Airlines flying from ONT
Aeromexico, Alaska Airlines, American Airlines, China Airlines, Frontier Airlines, Southwest Airlines, United Airlines, Volaris, avianca airlines
Going somewhere ONT doesn’t fly direct?
Wayfli finds the best one- and two-stop connections from Ontario to any airport in the world. Pick a destination on the map.
Routes come from current airline fares, updated weekly (last update 9 November 2026), plus older schedule data for airports with few recent fares. “Direct” can include a few same-plane flights with a stop. Flight times are estimates from distance. Always check with the airline before booking.