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Flights from Ontario to San Francisco
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Book flight tickets from Ontario to San Francisco starting at MYR 80

For as little as MYR 80, you can take your next adventure to San Francisco without breaking the bank. Choose between one-way and return tickets from Ontario below.

  • One way
  • Round-trip
      • Cheapest nonstop
        ONT07:05
        1h 29m
        Nonstop
        SFO08:34
        Sun, Dec 8|Ontario - San Francisco|Frontier Airlines
        MYR 80MYR 138
        42% OFF
        42% OFF
        MYR 138MYR 80

        Choose Frontier Airlines flights from Ontario to San Francisco. The one-way direct flight with Frontier Airlines departs from Ontario International Airport on Sun, Dec 8, arriving at San Francisco International Airport. One-way ticket prices start from MYR 80 including taxes and charges.

      • ONT14:00
        1h 32m
        Nonstop
        SFO15:32
        Mon, Dec 9|Ontario - San Francisco|Frontier Airlines
        MYR 83MYR 138
        40% OFF
        40% OFF
        MYR 138MYR 83

        Choose Frontier Airlines flights from Ontario to San Francisco. The one-way direct flight with Frontier Airlines departs from Ontario International Airport on Mon, Dec 9, arriving at San Francisco International Airport. One-way ticket prices start from MYR 83 including taxes and charges.

      • ONT06:45
        1h 35m
        Nonstop
        SFO08:20
        Mon, Jan 13|Ontario - San Francisco|Frontier Airlines
        MYR 83MYR 138
        40% OFF
        40% OFF
        MYR 138MYR 83

        Choose Frontier Airlines flights from Ontario to San Francisco. The one-way direct flight with Frontier Airlines departs from Ontario International Airport on Mon, Jan 13, arriving at San Francisco International Airport. One-way ticket prices start from MYR 83 including taxes and charges.

      • ONT06:45
        1h 35m
        Nonstop
        SFO08:20
        Mon, Jan 27|Ontario - San Francisco|Frontier Airlines
        MYR 83
        MYR 83

        Choose Frontier Airlines flights from Ontario to San Francisco. The one-way direct flight with Frontier Airlines departs from Ontario International Airport on Mon, Jan 27, arriving at San Francisco International Airport. One-way ticket prices start from MYR 83 including taxes and charges.

      • ONT06:00
        1h 35m
        Nonstop
        SFO07:35
        Fri, Jan 24|Ontario - San Francisco|Frontier Airlines
        MYR 95
        MYR 95

        Choose Frontier Airlines flights from Ontario to San Francisco. The one-way direct flight with Frontier Airlines departs from Ontario International Airport on Fri, Jan 24, arriving at San Francisco International Airport. One-way ticket prices start from MYR 95 including taxes and charges.

      • ONT07:36
        1h 26m
        Nonstop
        SFO09:02
        Sat, Dec 7|Ontario - San Francisco|Frontier Airlines
        MYR 103
        MYR 103

        Choose Frontier Airlines flights from Ontario to San Francisco. The one-way direct flight with Frontier Airlines departs from Ontario International Airport on Sat, Dec 7, arriving at San Francisco International Airport. One-way ticket prices start from MYR 103 including taxes and charges.

      • ONT07:36
        1h 26m
        Nonstop
        SFO09:02
        Tue, Dec 17|Ontario - San Francisco|Frontier Airlines
        MYR 105
        MYR 105

        Choose Frontier Airlines flights from Ontario to San Francisco. The one-way direct flight with Frontier Airlines departs from Ontario International Airport on Tue, Dec 17, arriving at San Francisco International Airport. One-way ticket prices start from MYR 105 including taxes and charges.

      • ONT07:36
        1h 26m
        Nonstop
        SFO09:02
        Wed, Dec 11|Ontario - San Francisco|Frontier Airlines
        MYR 105
        MYR 105

        Choose Frontier Airlines flights from Ontario to San Francisco. The one-way direct flight with Frontier Airlines departs from Ontario International Airport on Wed, Dec 11, arriving at San Francisco International Airport. One-way ticket prices start from MYR 105 including taxes and charges.

      • ONT07:36
        1h 26m
        Nonstop
        SFO09:02
        Wed, Dec 4|Ontario - San Francisco|Frontier Airlines
        MYR 107
        MYR 107

        Choose Frontier Airlines flights from Ontario to San Francisco. The one-way direct flight with Frontier Airlines departs from Ontario International Airport on Wed, Dec 4, arriving at San Francisco International Airport. One-way ticket prices start from MYR 107 including taxes and charges.

      • ONT07:36
        1h 26m
        Nonstop
        SFO09:02
        Tue, Dec 10|Ontario - San Francisco|Frontier Airlines
        MYR 107
        MYR 107

        Choose Frontier Airlines flights from Ontario to San Francisco. The one-way direct flight with Frontier Airlines departs from Ontario International Airport on Tue, Dec 10, arriving at San Francisco International Airport. One-way ticket prices start from MYR 107 including taxes and charges.

      • ONT13:00
        3h 5m
        Nonstop
        SFO14:00
        Sun, Dec 1|Ontario - San Francisco|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Ontario to San Francisco

These price trend charts carefully monitor and predict how flight prices from Ontario to San Francisco will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Ontario to San Francisco

We have a range of prices from different airlines providing flights from Ontario to San Francisco. Check below for the journey which best suits your travel needs.

Frontier Airlines
From MYR 80
Southwest Airlines
From MYR 392
United Airlines
From MYR 401
Alaska Airlines
From MYR 409
American Airlines
From MYR 443
Delta Air Lines
From MYR 559
Hawaiian Airlines
From MYR 1,482

Find more flights and airlines

Alternative Routes from Ontario to San Francisco

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to San Francisco from Ontario which could help you save money and time.

  • Cheapest
    Frontier Airlines
    ONT
    07:05
    1h 29m
    Nonstop
    SFO
    08:34
    Ontario International Airport - San Francisco International Airport
    Sun, Dec 8Frontier Airlines
    MYR 80
  • Frontier Airlines
    ONT
    07:05
    1h 29m
    Nonstop
    SFO
    08:34
    Ontario International Airport - San Francisco International Airport
    Sun, Dec 8Frontier Airlines
    MYR 80
    Find More Flights

FAQ

  • When are flight tickets from Ontario (ONT) to San Francisco (SFO) the cheapest?

    Airlines adjust prices for flights from Ontario to San Francisco based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Ontario (ONT) to San Francisco (SFO) cost?

    According to Trip.com's data, the lowest price is around MYR 599.

  • What is the transportation method from the main airport to downtown in San Francisco?

    • The distance from San Francisco International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Ontario to San Francisco

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Ontario to San Francisco

Cheapest nonstop flight priceMYR 80
Cheapest round-trip ticket priceMYR 120
Off-season for travelFebruary
Peak season for travelFebruary
Flight distance12,799.42 km
Popular airlineUnited Airlines

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