Ontario to San Antonio (ONT–SAT) — Airlines, Schedules & Connections

ONT Airport Page →
1,164 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 24 1-stop flights Verified 4w ago
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
PHX Phoenix 4h 10m AAPDWN AAASWN Phoenix (PHX) to San Antonio flights
LAS Las Vegas 4h 30m F9WNY4 EJAF9WN Las Vegas (LAS) to San Antonio flights
DFW Dallas-Fort Worth 5h 3m AABAF9 AAASAY Dallas-Fort Worth (DFW) to San Antonio flights
DEN Denver 5h 15m ACF9G6 F9UAWN Denver (DEN) to San Antonio flights
HOU Houston 5h 30m WN EJAVJAWN Houston (HOU) to San Antonio flights
SLC Salt Lake City 5h 33m AFAMDL AMDL Salt Lake City (SLC) to San Antonio flights
DAL Dallas 5h 55m WN EJALXJWN Dallas (DAL) to San Antonio flights
IAH Houston 6h 4m F9UAY4 ACCMDL Houston (IAH) to San Antonio flights
SFO San Francisco 6h 4m ACCMF9 NZUA San Francisco (SFO) to San Antonio flights
GDL Guadalajara 7h 7m F9Y4 F9Y4 Guadalajara (GDL) to San Antonio flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Ontario to San Antonio
Connecting service available through multiple hubs.
1 Airlines 1,164 mi 3h 44m nonstop +2h ahead

ONT–SAT had nonstop service from American Airlines, last on the schedule in May 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 1,164 miles in 3h 44m.

Airline Landscape

Carriers that operated nonstop ONT–SAT service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AA American Airlines 1 80% Oneworld
Alliance coverage
Oneworld: AA (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Connection Landscape

1-stop and 2-stop options for ONT to SAT.
1-STOP
One-Stop Connections
24
Hubs
~4h
Fastest
~13h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
917
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 → SAT
80%
Generally reliable. Most flights run on time.
Departing
80%
Arriving
73%
Return
SAT → ONT
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
57%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → SAT delays →

Other ways to reach San Antonio from Ontario

Nearby airports with service to San Antonio International Airport.
Metric ONT→SAT SNA→SAT HHR→SAT
Distance from ONT 30 mi 43 mi
Nonstop airlines 6 1
Weekly flights 1 1
Flight time 3h 44m 2h 7m 2h 36m
Departure OTP 80%
Airports within 200 miles of ONT with service to San Antonio International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+2h
San Antonio is 2 hours ahead of Ontario.
ONT: PDT · SAT: CDT

When it's 6:00 PM in Ontario, it's 8:00 PM in San Antonio.
Distance & Flight Time
1,164 mi / 1,873 km
Nonstop flight time is approximately 3h 44m gate to gate.

ONT–SAT Quick Facts

Key statistics for the Ontario to San Antonio route.
Route details
Distance1,164 mi / 1,873 km
Flight time3h 44m
Time difference+2 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: ONT
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: SAT
IATA / ICAOSAT / KSAT
TimezoneAmerica/Chicago
Passengers/yr10.9M
Elevation809 ft / 247 m

Frequently Asked Questions

Common questions about ONT to SAT flights.
Nonstop flights from Ontario International Airport to San Antonio International Airport take about 3h 44m gate to gate. The route covers 1,164 miles.
1 airline operated the nonstop from ONT to SAT: American Airlines. The last scheduled nonstop was in May 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in May 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 3h 44m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Phoenix Sky Harbor, Harry Reid and Dallas Fort Worth.
San Antonio is 2 hours ahead of Ontario.
Nearby alternatives include SNA, HHR and BUR. 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.

Flights from ONT to SAT

Ontario International Airport (ONT) and San Antonio International Airport (SAT) had nonstop service from American Airlines, last on the schedule in May 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 SAT Flight Duration and Schedule

Nonstop flight time from ONT to SAT is about 3 hours 44 minutes gate to gate. The route covers a distance of 1,164 miles (1,873 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Phoenix Sky Harbor, Harry Reid and Dallas Fort Worth. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Santa Ana (SNA), Hawthorne (HHR) and Burbank (BUR).