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

ONT Airport Page →
airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 46 1-stop flights
Nonstop 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 nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Ontario to San Diego
Connecting service available through multiple hubs.
46 1-stop hubs

While no nonstop service exists between ONT and SAN, connecting options are available through 46 hubs.

Also explore ONT Routes SAN Routes ONT Live Flights SAN Live Flights ONT Delays SAN Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ONT to SAN.
1-STOP
One-Stop Connections
46
Hubs
~2h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,419
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.
Alternatives

Other ways to reach San Diego from Ontario

Nearby airports with service to San Diego International Airport.
Metric ONT→SAN SBD→SAN SNA→SAN
Distance from ONT – 21 mi 30 mi
Nonstop airlines 0 1 2
Weekly flights 0 – –
Departure OTP 78% – –
San Bernardino (SBD) to San Diego flights · Santa Ana (SNA) to San Diego flights · Long Beach (LGB) to San Diego flights
Airports within 200 miles of ONT with service to San Diego International Airport.
Know before you go

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.
Facts

ONT–SAN Quick Facts

Key statistics for the Ontario to San Diego route.
Route details
Time difference0 hours
Airlines (nonstop)0
1-stop connections46 hubs
Origin: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: SAN
Full nameSan Diego International Airport
IATA / ICAOSAN / KSAN
TimezoneAmerica/Los_Angeles
Passengers/yr25.6M
Elevation17 ft / 5 m
FAQ

Frequently Asked Questions

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

46 one-stop connections are available, with the fastest taking approximately 2 hours via VNY. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Bernardino (SBD), Santa Ana (SNA) and Long Beach (LGB).