Southwest Airlines operates 13 non-stop routes from Ontario (ONT), serving 1 country with an average sector length of 1,796 km. This is part of Southwest Airlines's 1961-route global network.
Non-stop destinations from Ontario on Southwest Airlines
| Destination | IATA | Country | Distance | Duration | Route |
|---|---|---|---|---|---|
| Honolulu | HNL | USA | 4,188 km | 6h 1m | Route ↗ |
| Baltimore | BWI | USA | 3,674 km | 4h 45m | Route ↗ |
| Nashville | BNA | USA | 2,818 km | 3h 50m | Route ↗ |
| Chicago | MDW | USA | 2,745 km | 3h 45m | Route ↗ |
| Houston | HOU | USA | 2,163 km | 3h 0m | Route ↗ |
| Dallas | DAL | USA | 1,930 km | 2h 55m | Route ↗ |
| Austin | AUS | USA | 1,925 km | 2h 45m | Route ↗ |
| Denver | DEN | USA | 1,316 km | 2h 15m | Route ↗ |
| Sacramento | SMF | USA | 626 km | 1h 25m | Route ↗ |
| Oakland | OAK | USA | 581 km | 1h 20m | Route ↗ |
| San Jose | SJC | USA | 536 km | 1h 15m | Route ↗ |
| Phoenix | PHX | USA | 523 km | 1h 20m | Route ↗ |
| Las Vegas | LAS | USA | 317 km | 1h 9m | Route ↗ |
Destinations by country
Southwest Airlines from other airports
- Denver (DEN) — 95 routes
- Chicago (MDW) — 81 routes
- Nashville (BNA) — 79 routes
- Baltimore (BWI) — 79 routes
- Dallas (DAL) — 79 routes
Aircraft assignments
We are currently expanding per-airline aircraft data for every route. Until that ships, you can browse by aircraft type at /by-aircraft.
Frequently asked questions
How many destinations does Southwest Airlines serve from Ontario (ONT)?
Southwest Airlines flies to 13 non-stop destinations from Ontario (ONT), spanning 1 country.
What is the longest route Southwest Airlines flies from Ontario?
The longest non-stop route is ONT → HNL (Honolulu) at 4,188 km.
Which countries does Southwest Airlines fly to from Ontario?
Top destination countries: USA (13).
Does Southwest Airlines operate from other airports?
Yes — Southwest Airlines also operates from Denver (DEN), Chicago (MDW), Nashville (BNA), Baltimore (BWI), Dallas (DAL). Total network: 1961 routes across the carrier's footprint.