San Diego to Ontario (SAN–ONT) — Airlines, Schedules & Connections

SAN Airport Page →
airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 26 1-stop flights
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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.

✦ 1-Stop connections via 10 hubs
LAS Las Vegas 3h 20m ASDLEJA → EJAF9WN Las Vegas (LAS) to Ontario flights
PHX Phoenix 3h 25m AAASF9 → AAWN Phoenix (PHX) to Ontario flights
SJC San Jose 3h 25m ASWN → WN San Jose (SJC) to Ontario flights
OAK Oakland 3h 40m ASWN → WN Oakland (OAK) to Ontario flights
SBA Santa Barbara 3h 50m ASWN → EM Santa Barbara (SBA) to Ontario flights
SMF Sacramento 3h 50m ASJLWN → WN Sacramento (SMF) to Ontario flights
SFO San Francisco 4h 3m ACASAZ → ACCMEJA San Francisco (SFO) to Ontario flights
SLC Salt Lake City 5h 7m AFASDL → AFAMDL Salt Lake City (SLC) to Ontario flights
BOI Boise 5h 15m ASEJAJL → AS Boise (BOI) to Ontario flights
DEN Denver 5h 32m ACASCM → ACF9UA Denver (DEN) to Ontario flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
San Diego to Ontario
Connecting service available through multiple hubs.

While no nonstop service exists between SAN and ONT, 1-stop connecting options are available.

Also explore Browse available seat maps SAN Routes ONT Routes SAN Live Flights ONT Live Flights SAN Delays ONT Delays
All flights from Ontario (ONT) Ontario to San Diego flights
Connections

Connection Landscape

1-stop and 2-stop options for SAN to ONT.
1-STOP
One-Stop Connections
26
Hubs
~3h
Fastest
~13h
Longest
LAS ~3h 20m PHX ~3h 25m SJC ~3h 25m OAK ~3h 40m SBA ~3h 50m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,312
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
SAN → ONT
82%
Generally reliable. Most flights run on time.
Departing
82%
Arriving
100%
Return
ONT → SAN
90%
Generally reliable. Most flights run on time.
Departing
90%
Arriving
90%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SAN delays → ONT delays →
Alternatives

Other ways to reach Ontario from San Diego

Nearby airports with service to Ontario International Airport.
Metric SAN→ONT TIJ→ONT IPL→ONT
Distance from SAN – 18 mi 94 mi
Nonstop airlines – 1 1
Weekly flights – 2 –
Departure OTP 82% – –
Tijuana (TIJ) to Ontario flights · Imperial (IPL) to Ontario flights · San Bernardino (SBD) to Ontario flights
Airports within 200 miles of SAN with service to Ontario International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
0h
Ontario is 0 hours the same as San Diego.
SAN: PDT · ONT: PDT

When it's 6:00 PM in San Diego, it's 6:00 PM in Ontario.
Facts

SAN–ONT Quick Facts

Key statistics for the San Diego to Ontario route.
Route details
Time difference0 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: SAN
Full nameSan Diego International Airport
IATA / ICAOSAN / KSAN
TimezoneAmerica/Los_Angeles
Passengers/yr25.6M
Elevation17 ft / 5 m
Destination: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
FAQ

Frequently Asked Questions

Common questions about SAN to ONT flights.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Harry Reid, Phoenix Sky Harbor and Norman Y. Mineta San Jose.
On a single ticket, yes. Your bags are checked through to ONT and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Yes, return flights from ONT to SAN are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include TIJ, IPL and SBD. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

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 Tijuana (TIJ), Imperial (IPL) and San Bernardino (SBD).