Frontier Airlines flights from ONT to SFO
Find comprehensive Frontier Airlines flight information, schedules, and booking details for direct flights from ONT to SFO. Frontier Airlines operates 3-5 flights daily flights on this route.• Flight Duration: 1h 24m - 1h 47m (average flight time)• Distance: 364 miles (586 km) (air miles between airports)• Daily Flights: 3-5 flights (scheduled departures per day)
ONT
SFO
FLIGHT TIME
1h 24m - 1h 47m
FLIGHT DISTANCE
364 miles (586 km)
1h 30m - 1h 30m
21:59
21:59
364 miles (586 km)
March
1 (Show)
27
Frontier Airlines Flight Schedule from ONT to SFO
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
F92677 |  Frontier Airlines | 21:59 | 23:29:00 | Airbus A320neo |
Frontier Airlines Monthly Flight Calendar
December 2025
Route Insights
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 21:00, offering more flight options and potentially better connections.
ONT - SFO flight price statistics
$121
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$129
Jan$48
Feb$40
Mar$78
Apr$199
May$138
Jun$138
Jul$96
Aug$96
Sep$138
Oct$138
Nov$208
DecFrontier Airlines Terminal Information
Terminal information for Frontier Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Frontier Airlines Flights
How many Frontier Airlines flights operate from ONT to SFO?
Frontier Airlines operates 1 flight from ONT to SFO.
What city does SFO airport serve?
SFO airport serves San Francisco.
How long is the Frontier Airlines flight from ONT to SFO?
The flight duration is approximately 1h 24m - 1h 47m.
What is the distance from ONT to SFO?
The distance is 364 miles (586 km).
What aircraft does Frontier Airlines use on this route?
Frontier Airlines uses Airbus A320neo on this route.
Which other airlines operate on this route?
1 other airline operates on this route: United Airlines.
What is the cheapest month to fly Frontier Airlines from ONT to SFO?
March is typically the cheapest month to fly Frontier Airlines on this route.
What is the average price for a Frontier Airlines flight from ONT to SFO?
The average price for a round-trip Frontier Airlines flight on this route is approximately $121. Prices can vary based on booking time and demand.
How many Frontier Airlines flights operate per week on this route?
Frontier Airlines operates approximately 27 flights per week from ONT to SFO.