Cheap flights from Ontario to San Francisco

Round-trip
Economy
Los Angeles (LAX)
San Francisco (SFO)
Sat 6/5
Sat 6/12
Any month
Compare vs. momondo |

Flight information for Ontario to San Francisco
(ONT to SFO)

Find info about flight duration, direct flights, and airports for your flight from Ontario to San Francisco
Best Price Found$127The best flight deal from Ontario to San Francisco found on momondo in the last 72 hours is $127
Fastest flight time1h 20mThe fastest flight from Ontario to San Francisco takes 1h 20m
Direct flightsNoneThere are no direct flights from Ontario to San Francisco. Popular non-direct route for this connection is Ontario - San Francisco.
Airports in San Francisco1 airportThere is 1 airport near San Francisco: San Francisco (SFO)

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

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 Ontario to San Francisco?

August
The cheapest time of year to fly to San Francisco from Ontario is August. Most expensive is November

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

Saturday
The cheapest day of the week is typically Saturday. The most expensive is typically Monday

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

in the morning
Ontario to San Francisco flights are approximately 23% more expensive in the evening than in the morning

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

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

What is the cheapest Ontario to San Francisco flight route?

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

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

35 days before
The cheapest time to buy a flight from Ontario to San Francisco is approximately 35 days to departure
60
Days before departure
0

Easily compare round-trip flights from Ontario to San Francisco

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ontario to San Francisco by changing tabs
Frontier
Jun 10
ONT1:34 pmOntario
1h 28m
SFO3:02 pmSan Francisco
Jun 13
SFO11:39 amSan Francisco
1h 30m
ONT1:09 pmOntario
Frontier
Jun 11
ONT7:59 amOntario
1h 28m
SFO9:27 amSan Francisco
Jun 13
SFO11:39 amSan Francisco
1h 30m
ONT1:09 pmOntario
Frontier
Jun 11
ONT7:59 amOntario
1h 28m
SFO9:27 amSan Francisco
Jun 13
SFO11:39 amSan Francisco
1h 30m
ONT1:09 pmOntario

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

If you're looking for one-way flights from Ontario to San Francisco, view some of our deals below provided by Frontier
Frontier
Aug 22
ONT2:05 pmOntario
1h 28m
SFO3:33 pmSan Francisco
Frontier
May 20
ONT3:15 pmOntario
1h 30m
SFO4:45 pmSan Francisco
Frontier
May 20
ONT3:15 pmOntario
1h 30m
SFO4:45 pmSan Francisco

Best airlines flying from Ontario to San Francisco

Compare and see reviews for airlines that fly from Ontario to San Francisco with momondo
AirlineRatingFree CancellationPrice
Alaska Airlines
PriceFrom $48
Free Cancellation
Rating
8.2
8.7

Boarding

8.5

Comfort

8.8

Crew

8.0

Entertainment

7.4

Food

Reviews

Pros: Accommodated to an earlier flight without questions asked.

Cons: Always been a delight!

1 / 10
JetBlue
PriceFrom $49
Free Cancellation
Rating
8.2
8.6

Boarding

8.4

Comfort

8.7

Crew

8.2

Entertainment

7.9

Food

Reviews

Cons: Todo fue Exelente...

1 / 10
Delta
PriceFrom $52
Free Cancellation
Rating
8.1
8.2

Boarding

8.4

Comfort

8.2

Crew

7.8

Entertainment

8.0

Food

Reviews

Cons: Wouldn't let us on the flight when there was plenty of time to get there. Manager was arrogant and slow - didn't care. Poor policies at that airport.

1 / 10
American Airlines
PriceFrom $71
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.9

Crew

7.0

Entertainment

6.8

Food

Reviews

Pros: Yes made sure mask was in place

Cons: No

1 / 10
Spirit Airlines
PriceFrom $91
Free Cancellation
Rating
7.1
7.5

Boarding

6.8

Comfort

7.7

Crew

6.3

Entertainment

6.4

Food

Reviews

Pros: Nothing

Cons: There’s no entertainment. Can’t even charge the phone. Can’t even recline the seat very uncomfortable flight

1 / 10
United Airlines
PriceFrom $97
Free Cancellation
Rating
6.8
7.2

Boarding

6.6

Comfort

7.5

Crew

6.6

Entertainment

6.0

Food

Reviews

Pros: everything

Cons: nono

1 / 10
Southwest
PriceFrom $154
Free Cancellation
Rating
8.4
8.6

Boarding

8.5

Comfort

8.8

Crew

7.6

Entertainment

7.8

Food

Reviews

Pros: The plane was new and the seats were nice.

1 / 10

Which airlines flying from Ontario to San Francisco have COVID-19 safety policies in place?

Alaska Airlines and Delta have implemented additional safety measures to accommodate travelers. Airlines flying from Ontario to San Francisco are working to protect travelers. Some of these new policies include temperature checks, pre-flight testing, sanitization of key touchpoints, as well as mask requirements when onboard. Some airlines have even implemented socially distanced seating for a limited time. Policies will vary by airline.

Are airlines flying from Ontario to San Francisco offering flexible cancellation due to COVID-19?

To ease the stress of booking flights, some of our airline partners flying from Ontario to San Francisco are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: United Airlines, American Airlines, and Alaska Airlines.


Flights from Ontario to:

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Economy
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Economy
  • Economy
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  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First