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

ONT Airport Page →
airlines 0/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Ontario to San Diego
Connecting service available through multiple hubs.
34 1-stop hubs

While no nonstop service exists between ONT and SAN, connecting options are available through 34 hubs.

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ONT to SAN.
1-STOP
One-Stop Connections
34
Hubs
~2h
Fastest
~31h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,347
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.

On-Time Performance

What to expect at each end of your journey.
Outbound
ONT → SAN
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
Return
SAN → ONT
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
80%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → SAN delays →

Other ways to reach San Diego from Ontario

Nearby airports with service to San Diego International Airport.
Metric ONT→SAN SNA→SAN LAX→SAN
Distance from ONT 30 mi 47 mi
Nonstop airlines 0 1 9
Weekly flights 0 94
Departure OTP 100%
Airports within 200 miles of ONT with service to San Diego International Airport.

Travel Essentials

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

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

ONT–SAN Quick Facts

Key statistics for the Ontario to San Diego route.
Route details
Time difference0 hours
Airlines (nonstop)0
1-stop connections34 hubs
Origin: ONT
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: SAN
IATA / ICAOSAN / KSAN
TimezoneAmerica/Los_Angeles
Passengers/yr25.6M
Elevation17 ft / 5 m

Frequently Asked Questions

Common questions about ONT to SAN flights.
Yes, 1-stop connections are available through PSP, SBA, SBP, FCA, SDF, FLL, EWR, IAH, KOA, SLC, OGG, PHX, LAS, BWI, PDX, SJC, STS, OAK, BOI, ORD, SMF, MDW, SFO, DFW, DEN, DAL, SEA, CLT, ATL, HOU, AUS, BNA, SJD and HNL. These options provide additional schedule flexibility.
Nearby alternatives include SNA, LAX and PSP. 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

34 one-stop connections are available, with the fastest taking approximately 2 hours via PSP. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Santa Ana (SNA), Los Angeles (LAX) and Palm Springs (PSP).