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Cheap Flights from San Francisco to Ontario, CA, United States - SFO to ONT Last modified: May 27, 2016 2:45 AM

Popular flights from San Francisco to Ontario Last modified: May 27, 2016 2:45 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Sep 16, 2016 Sep 21, 2016 $229
American Airlines
Departure Date Return Date Lowest Price
Jul 30, 2016 Aug 1, 2016 $137
United Airlines
Departure Date Return Date Lowest Price
Sep 13, 2016 Sep 20, 2016 $135
Sep 24, 2016 Sep 26, 2016 $135

How Much Does it Cost to Fly from San Francisco to Ontario (SFO to ONT)?

We have collected flight cost data from across the web for travel from San Francisco to Ontario, and have found the average flight price for this trip to be $150.

When Can I Buy the Cheapest Flight from San Francisco to Ontario (SFO to ONT)?

Airlines can adjust prices for plane tickets from San Francisco to Ontario based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from San Francisco to Ontario

The chart below shows up-to-date information regarding how far in advance a flight from San Francisco to Ontario should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $285 $344
7-14 days $248 $266
14-21 days $137 $201
21-30 days $137 $237
30-60 days $137 $227
60-90 days $137 $217
90+ days $135 $214

Cheapest Day To Fly from San Francisco to Ontario

The chart below shows up-to-date information regarding the cheapest days to fly from San Francisco to Ontario.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$160 $137 $160 $159 $137 $137 $160

Lowest Fares Chart By Month from San Francisco to Ontario

The chart below shows the lowest fare by month when flying from San Francisco to Ontario.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May San Francisco Ontario United 5/31/16 6/3/16 0 $369
June San Francisco Ontario United 6/17/16 7/2/16 0 $137
July San Francisco Ontario American 7/30/16 8/1/16 0 $137
August San Francisco Ontario United 8/2/16 8/5/16 0 $137
September San Francisco Ontario United 9/13/16 9/20/16 0 $135
October San Francisco Ontario United 10/6/16 10/8/16 0 $163
November San Francisco Ontario United 11/17/16 11/21/16 0 $135
December San Francisco Ontario United 12/10/16 12/30/16 0 $173

Cheapest Weekend Non-Stop Flights for the Next 30 Days from San Francisco to Ontario

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from San Francisco to Ontario.

Next 30 Days

SunMonTueWedThuFriSat
29 30 31 1 2 3 4
$285
5 6 7 8 9 10 11
$285 $285
12 13 14 15 16 17 18
$285 $187
19 20 21 22 23 24 25
$187 $160
26 27 28 29 30 1 2
$160 $157
3 4 5 6 7 8 9
$157
TIPSave $162 by flying into Las Vegas instead of Ontario from San Francisco

Non-Stop vs Connecting Flights from San Francisco to Ontario (SFO to ONT)

Your San Francisco to Ontario flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from San Francisco to Ontario is $296.

The average price for non-stop flights from San Francisco to Ontario is $168.

The chart below shows up to date information regarding non-stop flights from San Francisco to Ontario.

Nonstop Flight Details from San Francisco to Ontario
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
United 7 7 7 7 7 6 7 06:00 23:00

Round Trip vs One Way Flights from San Francisco to Ontario (SFO to ONT)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from San Francisco to Ontario. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from San Francisco to Ontario is $84.

The average price for round trip flights from San Francisco to Ontario is $168.

San Francisco to Ontario Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from San Francisco to Ontario?
Answer: The average San Francisco to Ontario flight time is an hour and 29 minutes.
Question: How many miles are there between San Francisco and Ontario?
Answer: The distance from San Francisco to Ontario is 363 miles.
Question: How common are direct flights from San Francisco to Ontario?
Answer: There are 48 direct flights from San Francisco to Ontario.
Question: What is the most popular airline for non-stop flights from San Francisco to Ontario?
Answer: United Airlines provides 100% of the non-stop flights between San Francisco and Ontario.
Question: What are the most popular connecting cities when flying from San Francisco to Ontario?
Answer: Phoenix, AZ

Airlines Flying from San Francisco to Ontario (SFO to ONT) Number of flights searched: 70Last modified: May 27, 2016 2:45 AM

Below are the different airlines that fly from San Francisco to Ontario with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from San Francisco to Ontario.

San Francisco to Ontario
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX X X X X X X X
United - X X X X X X X
Southwest PHX X X X X X X X

Airports for Your Route

These pages contain information about the major airports in San Francisco and Ontario, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from San Francisco - SFO

FlightsAirlineLowest Price
San Francisco to Los Angeles American, Alaska, United, Virgin America $134
San Francisco to Santa Ana American, Alaska, United $135
San Francisco to Long Beach JetBlue, United $117
San Francisco to Las Vegas American, Alaska, JetBlue, Frontier, Hawaiian, United, Virgin America $67
San Francisco to Burbank Alaska, United $135
San Francisco to San Diego American, Alaska, United, Virgin America $149
San Francisco to Palm Springs American, Alaska, United, Virgin America $157

Cheap Domestic Flights to Ontario - ONT

FlightsAirlineLowest Price
Sacramento to Ontario American, Alaska, United $137
Oakland to OntarioCheck Dates
San Jose to OntarioCheck Dates
Reno to Ontario American, Alaska, United $255
Fresno to OntarioCheck Dates
Monterey to Ontario American, Alaska, United $358
Santa Rosa to Ontario American, Alaska $273
Chico to OntarioCheck Dates
Redding to Ontario Alaska, United $306
Modesto to OntarioCheck Dates
San Luis Obispo to Ontario American, United Check Dates
San Jose to Los Angeles American, Alaska, United $134
Sacramento to Los Angeles American, Alaska, United $135
Oakland to Los Angeles Boutique, Spirit, United $81
Reno to Los Angeles American, Alaska, United $168
Fresno to Los Angeles American, Alaska, United $279
Santa Rosa to Los Angeles Alaska $177
San Jose to Santa Ana American, Alaska $141
Sacramento to Santa Ana American, Alaska, United $137
Oakland to Santa Ana American, Alaska $135
Monterey to Los Angeles American, Alaska, United $123
Oakland to Long Beach Alaska, JetBlue, United $110
Sacramento to Long Beach American, Alaska, JetBlue, United $137
Cheap Flights from San Francisco to Ontario, CA, United States, from $135 Round trip from SFO to ONT