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Cheap flights from San Francisco to Ontario from $28

1 adult
0 bags
From?
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mar. 2/27
mar. 3/5

Deals available from 900+ travel sites.

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Cheap San Francisco to Ontario (SFO to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Ontario

Best Price Found

$28

Fastest flight time

1h 21m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from San Francisco in the past 72 hours is $28. The best round-trip flight deal from San Francisco to Ontario found on momondo in the last 72 hours is $38.
The fastest flight from San Francisco to Ontario takes 1h 21m
Direct flights go from San Francisco to Ontario every day.
There is 1 airport near Ontario: Ontario (ONT)

How to get the cheapest flight ticket from San Francisco to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from San Francisco to Ontario?

February. The cheapest time of year to fly to Ontario from San Francisco is February. Most expensive is January

What is the cheapest day to depart San Francisco for Ontario?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from San Francisco to Ontario?

In the morning. San Francisco to Ontario flights are approximately 32% more expensive in the evening than in the morning

What is the cheapest airline that flies to Ontario from San Francisco?

Spirit Airlines. Alaska Airlines, Breeze Airways, and Delta are the most popular carriers operating from San Francisco to Ontario

What is the cheapest San Francisco to Ontario flight route?

San Francisco - Ontario. Fly from San Francisco to Ontario for the best San Francisco - Ontario flight prices

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

57 days before. The cheapest time to buy a flight from San Francisco to Ontario is approximately 57 days to departure

How many flights depart from San Francisco to Ontario on average per day?

The number of flights available between San Francisco and Ontario is 5 per day as of February 2024. The most frequent departure time is 3:00PM, with 54% of daily flights leaving in the afternoon.

How many flights depart from San Francisco to Ontario on average per week?

As of February 2024, there are 36 flights per week flying from San Francisco to Ontario. The most common day of the week flights depart is Monday, with 17% of flights taking off on this day.

What cabin class options are available on San Francisco to Ontario flights?

There are 2 cabin classes available to choose from on San Francisco to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Ontario flights?

No. A direct flight is the cheapest option for a flight between San Francisco to Ontario.

When you’re planning your trip from San Francisco to Ontario, the most popular airport-to-airport route is San Francisco Airport to Ontario Airport. You may be looking for an airport near San Francisco Airport to depart from when traveling to Ontario and luckily, there are options! You can try Oakland Airport which is located in Oakland, San Jose Airport which is located in San Jose, or Santa Rosa Sonoma County Airport which is located in Santa Rosa. When traveling from San Francisco, it is helpful to have an alternative airport to fly into when you land in Ontario. Good options for arrival airports in Ontario, you can try Los Angeles Airport (in Los Angeles), Burbank Bob Hope Airport (in Burbank), or Santa Ana J. Wayne/Orange Cnty Airport (in Santa Ana). The cheapest route from San Francisco to Ontario is SFO — ONT with an average price of $38 RT during the month of February.

Oakland Airport (OAK) to Los Angeles Airport (LAX)$73
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San Francisco Airport (SFO) to Los Angeles Airport (LAX)$63
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San Jose Airport (SJC) to Los Angeles Airport (LAX)$84
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San Francisco Airport (SFO) to Ontario Airport (ONT)$38
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Oakland Airport (OAK) to Burbank Bob Hope Airport (BUR)$80
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Oakland Airport (OAK) to Santa Ana J. Wayne/Orange Cnty Airport (SNA)$77
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Easily compare round-trip flights from San Francisco to Ontario

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from San Francisco to Ontario by changing tabs
Frontier
Mar 19
SFO3:08 pmSan Francisco
1h 28m
ONT4:36 pmOntario
Mar 27
ONT12:59 pmOntario
1h 30m
SFO2:29 pmSan Francisco
Frontier
Apr 9
SFO3:08 pmSan Francisco
1h 28m
ONT4:36 pmOntario
Apr 10
ONT7:58 amOntario
1h 27m
SFO9:25 amSan Francisco
Frontier
May 4
SFO8:27 pmSan Francisco
1h 30m
ONT9:57 pmOntario
May 8
ONT7:53 amOntario
1h 27m
SFO9:20 amSan Francisco
Frontier
Apr 14
SFO10:10 amSan Francisco
1h 29m
ONT11:39 amOntario
Apr 17
ONT7:58 amOntario
1h 27m
SFO9:25 amSan Francisco
Frontier
Mar 11
SFO1:20 pmSan Francisco
1h 25m
ONT2:45 pmOntario
Mar 13
ONT12:59 pmOntario
1h 30m
SFO2:29 pmSan Francisco
Frontier
Mar 19
SFO3:08 pmSan Francisco
1h 28m
ONT4:36 pmOntario
Mar 28
ONT8:40 amOntario
1h 33m
SFO10:13 amSan Francisco

Find the cheapest one-way flights from San Francisco to Ontario

If you're looking for one-way flights from San Francisco to Ontario, view some of our deals below provided by Frontier
Frontier
Apr 9
SFO3:08 pmSan Francisco
1h 28m
ONT4:36 pmOntario
Frontier
Apr 9
SFO3:08 pmSan Francisco
1h 28m
ONT4:36 pmOntario
Frontier
May 18
SFO5:15 amSan Francisco
1h 21m
ONT6:36 amOntario

Search last-minute flights to Ontario from San Francisco

Find and compare round-trip flight prices for your last-minute flight from San Francisco to Ontario
Frontier
Mar 7
SFO10:58 amSan Francisco
1h 27m
ONT12:25 pmOntario
Mar 12
ONT12:48 pmOntario
1h 30m
SFO2:18 pmSan Francisco
Frontier
Feb 29
SFO5:35 pmSan Francisco
1h 26m
ONT7:01 pmOntario
Mar 7
ONT8:35 amOntario
1h 33m
SFO10:08 amSan Francisco
Frontier
Mar 7
SFO10:58 amSan Francisco
1h 27m
ONT12:25 pmOntario
Mar 11
ONT10:58 amOntario
1h 32m
SFO12:30 pmSan Francisco
Frontier
Mar 6
SFO12:37 pmSan Francisco
4h 23m
1 stop
ONT5:00 pmOntario
Mar 7
ONT8:35 amOntario
1h 33m
SFO10:08 amSan Francisco
United Airlines
Mar 6
SFO8:25 amSan Francisco
1h 34m
ONT9:59 amOntario
Mar 23
ONT6:00 amOntario
1h 35m
SFO7:35 amSan Francisco
American Airlines
Feb 24
SFO1:05 pmSan Francisco
5h 43m
1 stop
ONT6:48 pmOntario
Mar 8
ONT6:36 amOntario
5h 44m
1 stop
SFO12:20 pmSan Francisco

Best airlines flying from San Francisco to Ontario

Compare and see reviews for airlines that fly from San Francisco to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $33Free CancellationRating
6.4
8,947 reviews
Search Spirit Airlines flights
FrontierPriceFrom $40Free CancellationRating
6.3
4,512 reviews
Search Frontier flights
JetBluePriceFrom $45Free CancellationRating
7.7
5,291 reviews
Search JetBlue flights
DeltaPriceFrom $45Free CancellationRating
8.0
11,921 reviews
Search Delta flights
Alaska AirlinesPriceFrom $68Free CancellationRating
8.1
9,274 reviews
Search Alaska Airlines flights
Breeze AirwaysPriceFrom $77Free CancellationRating
8.0
70 reviews
Search Breeze Airways flights
United AirlinesPriceFrom $99Free CancellationRating
7.4
11,872 reviews
Search United Airlines flights
  • United Airlines Flights From San Francisco to Ontario

    The lowest priced United Airlines flight from San Francisco to Ontario from the last 72 hours was $99. Generally, United Airlines has 18 flights on this route every week with an average price of $258. United Airlines is rated 7.4/10 by our users.


Frontier flights from San Francisco to Ontario

Our best Frontier deals on San Francisco to Ontario flight tickets
Frontier
Mar 19
SFO3:08 pmSan Francisco
1h 28m
ONT4:36 pmOntario
Mar 27
ONT12:59 pmOntario
1h 30m
SFO2:29 pmSan Francisco
Frontier
Apr 9
SFO3:08 pmSan Francisco
1h 28m
ONT4:36 pmOntario
Apr 10
ONT7:58 amOntario
1h 27m
SFO9:25 amSan Francisco
Frontier
May 4
SFO8:27 pmSan Francisco
1h 30m
ONT9:57 pmOntario
May 8
ONT7:53 amOntario
1h 27m
SFO9:20 amSan Francisco

American Airlines flights from San Francisco to Ontario

Our best American Airlines deals on San Francisco to Ontario flight tickets
American Airlines
Feb 24
SFO1:05 pmSan Francisco
5h 43m
1 stop
ONT6:48 pmOntario
Mar 8
ONT6:36 amOntario
5h 44m
1 stop
SFO12:20 pmSan Francisco
American Airlines
Feb 24
SFO4:29 pmSan Francisco
5h 31m
1 stop
ONT10:00 pmOntario
Mar 8
ONT6:36 amOntario
5h 44m
1 stop
SFO12:20 pmSan Francisco
American Airlines
Mar 7
SFO10:36 amSan Francisco
11h 24m
2 stops
ONT10:00 pmOntario
Mar 9
ONT12:55 pmOntario
6h 23m
1 stop
SFO7:18 pmSan Francisco

  • How far is San Francisco to Ontario by plane?

    There are 370.2 mi between San Francisco and Ontario. By plane, this route typically takes 1h 21m.

  • When did momondo last update prices for flights from San Francisco Airport to Ontario Airport?

    Prices for flights from San Francisco Airport to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to Ontario Airport?

  • How old do you have to be to fly from San Francisco Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Alternative routes for San Francisco to Ontario

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
San Francisco to Los Angeles Flights
Fastest flight time1h 23m
Cheapest price$65
Oakland, California to Los Angeles Flights
Fastest flight time1h 20m
Cheapest price$62
Los Angeles to San Francisco Flights
Fastest flight time1h 18m
Cheapest price$65
Ontario to San Francisco Flights
Fastest flight time1h 20m
Cheapest price$38
San Jose to Los Angeles Flights
Fastest flight time1h 21m
Cheapest price$84
Los Angeles to Oakland, California Flights
Fastest flight time1h 18m
Cheapest price$73
San Francisco to San Diego Flights
Fastest flight time1h 33m
Cheapest price$69
San Francisco to Santa Ana Flights
Fastest flight time1h 32m
Cheapest price$127
Oakland, California to Burbank Flights
Fastest flight time1h 05m
Cheapest price$80
Oakland, California to Santa Ana Flights
Fastest flight time1h 25m
Cheapest price$77
Los Angeles to San Jose Flights
Fastest flight time1h 13m
Cheapest price$98
Burbank to Oakland, California Flights
Fastest flight time1h 10m
Cheapest price$80

Similar San Francisco to Ontario flights

Flexible with your destination? Broaden your search and find flights similar to your San Francisco to Ontario route

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Ontario?

It is quick and easy to find San Francisco to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from San Francisco to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco to Ontario?

Once all potential San Francisco to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Francisco to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


An easier way to manage your Ontario trip

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Flight from San Francisco to Ontario
1 adult
mar. 2/27
mar. 3/5
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