Ontario to San Diego (ONT–SAN) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
ONT–SAN had nonstop service from Alaska Airlines and Southwest Airlines, last on the schedule in September 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 94 miles in 1h 34m.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AS Alaska Airlines | 1 | – | – | Oneworld | – | |
| WN Southwest Airlines | 0 | – | – | – | – |
Connection Landscape
On-Time Performance
Other ways to reach San Diego from Ontario
| Metric | ONT→SAN | SBD→SAN | SNA→SAN |
|---|---|---|---|
| Distance from ONT | – | 21 mi | 30 mi |
| Nonstop airlines | – | 2 | 5 |
| Weekly flights | – | – | – |
| Flight time | 1h 34m | 0h 32m | 0h 26m |
| Departure OTP | 91% | – | – |
Travel Essentials
ONT: PDT · SAN: PDT
When it's 6:00 PM in Ontario, it's 6:00 PM in San Diego.
ONT–SAN Quick Facts
Frequently Asked Questions
Flights from ONT to SAN
Ontario International Airport (ONT) and San Diego International Airport (SAN) had nonstop service from Alaska Airlines and Southwest Airlines, last on the schedule in September 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.
ONT to SAN Flight Duration and Schedule
Nonstop flight time from ONT to SAN is about 1 hours 34 minutes gate to gate. The route covers a distance of 94 miles (152 km).
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Harry Reid, Phoenix Sky Harbor and Norman Y. Mineta San Jose. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Bernardino (SBD), Santa Ana (SNA) and Long Beach (LGB).