San Diego to Ontario flights
Ontario lies 156 km (97 mi) north of San Diego, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 57 min gate to gate, based on the distance and typical cruise speed with taxi and climb allowed for; connecting itineraries add the layover on top.
| San Diego | Ontario | |
|---|---|---|
| Country | United States | United States |
| Population | 1.4 million | 171,214 |
| Elevation | 20 m (66 ft) | 307 m (1,007 ft) |
| Time now | UTC-7 (America/Los_Angeles) | UTC-7 (America/Los_Angeles) |
| Nearest large airport | SAN, 3 km out | ONT, 5 km out |
| Postal codes | 92101–92199 | 91758–91764 |
Airports at each end
Leaving San Diego
San Diego is served by 3 airports with scheduled flights within 100 km. The closest large one is San Diego International Airport (SAN), 3 km (2 mi) from the centre, with a longest runway of 9,401 ft, which limits it to short and medium-haul aircraft. The alternatives are General Abelardo L. Rodriguez International Airport (TIJ, 27 km), McClellan-Palomar Airport (CLD, 47 km).
Arriving in Ontario
Ontario is served by 6 airports with scheduled flights within 100 km. The closest large one is Ontario International Airport (ONT), 5 km (3 mi) from the centre, whose 12,197-ft runway is long enough for long-haul wide-body aircraft. The alternatives are San Bernardino International Airport (SBD, 38 km), John Wayne Orange County International Airport (SNA, 48 km), Long Beach International Airport (LGB, 54 km), Hollywood Burbank/Bob Hope Airport (BUR, 67 km), Los Angeles International Airport (LAX, 71 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Ontario International Airport | ONT | 5 km (3 mi) | 12,197 ft | 944 ft |
| San Bernardino International Airport | SBD | 38 km (24 mi) | 10,000 ft | 1,159 ft |
| John Wayne Orange County International Airport | SNA | 48 km (30 mi) | 5,700 ft | 56 ft |
| Long Beach International Airport | LGB | 54 km (34 mi) | 10,000 ft | 60 ft |
| Hollywood Burbank/Bob Hope Airport | BUR | 67 km (42 mi) | 6,886 ft | 778 ft |
| Los Angeles International Airport | LAX | 71 km (44 mi) | 12,894 ft | 125 ft |
Book a flight to Ontario
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Flights are sold here by AirOrSeaTravel through our booking partner, Nuitée, which takes the payment; the ticket is issued by the airline. How this works.
Staying in Ontario
Live rooms and prices for Ontario are in the search below.
Book a hotel in Ontario
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Ontario from San Diego?
156 km (97 mi) in a straight line, north of San Diego.
How long does it take to get from San Diego to Ontario by air?
About 57 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between San Diego and Ontario?
No, both are on America/Los_Angeles at the moment.
Which airports are used for San Diego to Ontario flights?
Typically San Diego International Airport (SAN) to Ontario International Airport (ONT); Ontario also has SBD, SNA, LGB, BUR, LAX.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.