Frontier Airlines San Francisco to Ontario Flights

Cheapflightsplus.com will find cheap Frontier Airlines flights from San Francisco to Ontario. Compare airline ticket prices and book air tickets starting from $39 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Frontier Airlines, arrivals and departure details below.

Find Cheap Airfare San Francisco (CA) — Ontario (CA) by Frontier Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in january: one-way - $39, two-way – $67.
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Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:53 am — 3:02 pm
10:53 am — 12:34 pm F94158 Frontier Airlines
San Francisco — Las Vegas
1h 16m stop
6:04 pm — 7:08 pm F94205 Frontier Airlines
Las Vegas — Ontario
4h 9m
including layover
Find flight
from$68
10:53 am — 7:11 am
+1 day
10:53 am — 12:32 pm F94158 Frontier Airlines
San Francisco — Las Vegas
17h 30m stop
7:30 am — 8:33 am F94757 Frontier Airlines
Las Vegas — Ontario
20h 18m
including layover
Find flight
from$73
10:59 pm — 7:11 am
+1 day
10:59 pm — 0:42 am F91850 Frontier Airlines
San Francisco — Las Vegas
5h 23m stop
6:05 am — 7:11 am F94757 Frontier Airlines
Las Vegas — Ontario
8h 12m
including layover
Find flight
from$54
10:59 pm — 7:06 am
+1 day
10:59 pm — 0:42 am F91850 Frontier Airlines
San Francisco — Las Vegas
5h 18m stop
10:00 am — 11:07 am F91283 Frontier Airlines
Las Vegas — Ontario
8h 7m
including layover
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from$57
10:59 pm — 2:44 pm
+1 day
10:59 pm — 0:42 am F91850 Frontier Airlines
San Francisco — Las Vegas
12h 51m stop
1:51 pm — 3:02 pm F92231 Frontier Airlines
Las Vegas — Ontario
15h 45m
including layover
Find flight
from$57
10:59 pm — 3:02 pm
+1 day
10:59 pm — 0:42 am F91850 Frontier Airlines
San Francisco — Las Vegas
13h 9m stop
1:51 pm — 3:02 pm F94205 Frontier Airlines
Las Vegas — Ontario
16h 3m
including layover
Find flight
from$82
10:59 pm — 7:59 pm
+1 day
10:59 pm — 0:42 am F91850 Frontier Airlines
San Francisco — Las Vegas
18h 10m stop
6:52 pm — 7:59 pm F92233 Frontier Airlines
Las Vegas — Ontario
21h
including layover
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from$163
11:43 am — 3:58 pm
11:43 am — 2:50 pm F92638 Frontier Airlines
San Francisco — Phoenix
55m stop
3:45 pm — 3:58 pm F91625 Frontier Airlines
Phoenix — Ontario
4h 15m
including layover
Find flight
from$58
11:53 am — 11:47 pm
6:00 am — 9:42 am F91230 Frontier Airlines
San Francisco — Denver
6h 41m stop
10:38 pm — 0:04 am F91499 Frontier Airlines
Denver — Ontario
11h 54m
including layover
Find flight
from$54
11:53 am — 10:27 am
+1 day
6:00 am — 9:42 am F91230 Frontier Airlines
San Francisco — Denver
17h 20m stop
8:20 am — 9:46 am F91261 Frontier Airlines
Denver — Ontario
22h 34m
including layover
Find flight
from$82
12:28 pm — 5:06 pm
9:34 am — 12:29 pm F93394 Frontier Airlines
San Francisco — Salt Lake City
59m stop
5:15 pm — 6:06 pm F93343 Frontier Airlines
Salt Lake City — Ontario
4h 38m
including layover
Find flight
from$170
3:15 pm — 7:09 pm
5:35 pm — 7:10 pm F93020 Frontier Airlines
San Francisco — Las Vegas
1h 5m stop
1:58 pm — 3:08 pm F92231 Frontier Airlines
Las Vegas — Ontario
3h 54m
including layover
Find flight
from$48
5:15 am — 6:36 am
5:15 am — 6:36 am F92678 Frontier Airlines
San Francisco — Ontario
1h 21m
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from$39
7:42 pm — 6:30 am
+1 day
9:14 pm — 0:42 am F93440 Frontier Airlines
San Francisco — Denver
5h 46m stop
8:45 am — 10:11 am F91261 Frontier Airlines
Denver — Ontario
10h 48m
including layover
Find flight
from$72
*Departure and arrival times are local. Last updated on 01/15/2025

Flight Information

There is 1 flight by Frontier Airlines from San Francisco to Ontario every week with departures from San Francisco, Embarkadero, China Basin Heliport. All flights arrive at Ontario Int. and International Heliport.

Departures start from 10:53 am to 7:42 pm. Nonstop flight is 1h 21m. The time difference between San Francisco and Ontario is 0h.

  • The fastest flight 1h 21m
  • Average flight time 1h 21m
  • The earliest flight 10:53 am
  • The latest flight 7:42 pm
  • Distance 364 ml

The cheapest months for traveling to Ontario are february (from 39 $), november (from 53 $), december (from 56 $).

The most expensive and popular months are january (from 57 $), december (from 56 $), november (from 53 $).

The cheapest flight by Frontier Airlines that our users were able to find is $39. This airfare is economy class on one-way F92678 flight for February 21, 2025 leaving San Francisco in San Francisco at 5:15 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides Frontier Airlines there are other 4 airline carriers between San Francisco and Ontario. Please review schedules and prices from the most popular airlines to find the best airfare deals from San Francisco to Ontario.

Nonstop flights

There are 4 direct flights every day from San Francisco. Airlines and fares are below:

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Connecting Flights

List of flights with layovers (1 and more stops):

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How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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