Fremont

$23+ Cheap flights from Ontario (ONT) to Fremont, CA

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SFO
nov. 9 — nov. 161
1 adult
sáb. 11/9
sáb. 11/16
We work with more than 300 partners to bring you better travel deals

...and more

Find cheap flights from Ontario to Fremont with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Ontario to Fremont are usually found in July or April, booked 89 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Ontario to Fremont

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Fremont (FR8). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 4, 2024.

Popular in

February

Cheapest in

July

Round-trip from

$50
(Gotogate)

One-way from

$23
(Cheapflightsfares)
High demand for flights, 37% potential price rise
Best time to find cheap flights, 33% potential price drop
From Ontario to Fremont
One-way flight from Ontario to Fremont

Find flight deals from Ontario to Fremont

Cheapest flights from Ontario to Fremont
Explore the most affordable flight options available from Ontario to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 4, 2024.

This Gotogate deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/163:41 pmONT - SFO
Nonstop1h 27mFrontier
lun. 11/181:44 pmSFO - ONT
Nonstop1h 22mFrontier
Deal found 11/4$50
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/36:00 amONT - SFO
Nonstop1h 26mUnited Airlines
mar. 12/101:05 pmSFO - ONT
Nonstop1h 28mUnited Airlines
Deal found 11/3$179
This Expedia deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/78:04 amONT - SFO
1 stop9h 56mMultiple Airlines
mié. 12/119:00 amSFO - ONT
2 stops11h 00mMultiple Airlines
Deal found 11/3$201

Find flights from Ontario to Fremont within your budget

Customize your flight search to find flights from Ontario to Fremont that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,455,398 searches. Data last updated noviembre 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

mié. 2/26

7:36 am-9:02 am

Nonstop1h 26m

$25

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

mié. 12/4

6:00 am-7:26 am

Nonstop1h 26m

$109

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

sáb. 3/1

11:45 am-7:37 pm

1 stop7h 52m

$111

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

mié. 12/4

9:05 am-4:55 pm

2 stops7h 50m

$124

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

mié. 11/27

10:10 am-4:02 pm

1 stop5h 52m

$139

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

sáb. 11/16

3:41 pm-5:08 pm

Nonstop1h 27m

San Francisco

lun. 11/18

1:44 pm-3:06 pm

Nonstop1h 22m

$50

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

mar. 12/3

6:00 am-7:26 am

Nonstop1h 26m

San Francisco

mar. 12/10

1:05 pm-2:33 pm

Nonstop1h 28m

$179

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

sáb. 12/7

8:04 am-6:00 pm

1 stop9h 56m

San Francisco

mié. 12/11

9:00 am-8:00 pm

2 stops11h 00m

$201

Flights are sorted by cheapest first

Deals found on 11/3

Best time to book a flight from Ontario to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Fremont

Get recent, data-driven insights about flights from Ontario to Fremont including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ontario to Fremont?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Fremont. Price data was last updated on November 1, 2024.

The best time to book flights from Ontario to Fremont is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Ontario to Fremont?

Currently, January is the cheapest month in which you can book a flight from Ontario to Fremont (average of $276). Flying from Ontario to Fremont in June is currently the most expensive (average of $381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to FR8?

Find hourly flight availability from Ontario to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 4, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Fremont as you normally would.

What is the cheapest day to fly from Ontario to Fremont?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Fremont. Price data was last updated on May 19, 2024.

Travelers seeking maximum savings on their Ontario to Fremont flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ontario to Fremont

Explore weekly flight availability from Ontario to Fremont. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated noviembre 4, 2024.

The most flights from ONT to FR8 are scheduled on a Wednesday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Fremont by month

Plan your trip to Fremont by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Fremont ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit Fremont when rainfall is around 0.0 in.

Temperature in Fremont by month

Plan your trip to Fremont by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Fremont, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Fremont

Get insights into the airlines that provide service to Fremont. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Fremont. Reviews last updated noviembre 4, 2024.
8.1
Very good
5,089 reviews

Crew

8.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.1
Very good
5,089 reviews
8.1
Very good
5,089 reviews

Crew

8.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.0
Very good
9,423 reviews
8.1
Very good
5,089 reviews

Crew

8.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

7.4
Good
9,226 reviews
8.1
Very good
5,089 reviews

Crew

8.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

7.2
Good
10,000 reviews
8.1
Very good
5,089 reviews

Crew

8.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

6.1
Okay
3,573 reviews
8.1
Very good
5,089 reviews

Crew

8.7

Boarding

8.3

Comfort

8.1

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Ontario to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Ontario to Fremont?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Fremont from Ontario. Booking flights from Ontario (ONT) to Fremont should be relatively easy as there are 13 daily outbound flights to Fremont from 8 different airlines.

  • Can I find flights from Ontario to Fremont for under $100 on Cheapflights?

    Yes, there are multiple flights from Ontario to Fremont for under $100. The cheapest flight booked recently is on Frontier for just $50, but on average you can expect to pay $123.

  • Are there nonstop flights from Ontario to Fremont for under $100 on Cheapflights?

    Cheapflights has at least 2 direct flights from Ontario to Fremont under $100. A good price for a nonstop flight from Ontario to Fremont is less than $114.

  • Are there last-minute flights available from Ontario to Fremont for under $100?

    There are currently 3+ open flights from Ontario to Fremont within the next 7 days for less than $100.

  • What days are nonstop flights available from Ontario to Fremont?

    Days when nonstop flights are available for this flight are: Friday.

  • How popular is this Ontario to Fremont flight route?

  • How many flights depart from Ontario to Fremont on average per day?

    1 flight departure from Ontario to Fremont per day on average.
    Afternoon (Noon - 6pm) - 100% of flight departures

  • How long is the flight from Ontario to Fremont?

    Departing from Ontario to Fremont will take you 1h 27m. Airlines will cover a distance of 364 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Ontario to Fremont one-way?

    $23 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $79 and $111, respectively.

  • What are the most reliable airlines from Ontario to Fremont?

    No one likes to see their flight delayed. When booking a flight from Ontario to Fremont consider choosing Emirates (85%), Air Canada (80%) or Copa Airlines (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Ontario to Fremont?

    Looking for the cheapest flight from Ontario to Fremont? While on average our users pay $944, our data indicates the cheapest price to be $26. The most popular route (Ontario - San Francisco), is priced around $56.

  • What does ONT to SFO mean?

    ONT and SFO are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ONT to SFO refers to a flight route from Ontario Airport to San Francisco Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: San Jose Airport (SJC), Oakland Airport (OAK), Stockton Airport (SCK), Concord Buchanan Fld Airport (CCR), Napa County Airport (APC).

  • Can I find deals for flights from Ontario to Fremont that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Fremont flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Fremont with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Fremont flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Fremont that include hotel bookings?

    Yes. In addition to deals on Ontario to Fremont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Fremont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Fremont.

  • Can I find deals for business class flights from Ontario to Fremont?

    Yes. Cheapflights offers flight deals from Ontario to Fremont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Fremont that allow pets onboard?

    Many airlines flying from Ontario to Fremont offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Fremont?

    Yes, you can often find last-minute deals on Ontario to Fremont flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Fremont flight deals updated?

    The Ontario to Fremont flight deals you see on this page were last updated on 11/4.

  • What is the cheapest month to book a flight from Ontario to Fremont?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Fremont (average of $276). Flying from Ontario to Fremont in June is currently the most expensive (average of $381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Fremont

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Ontario to Fremont

Discover the top 8 airlines that operate flights from Ontario to Fremont. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,455,398 searches. Data last updated noviembre 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$24Average$85FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$36Average$98FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$45Average$326FlexibilityNo cancel feeOn-time75%
DeltaCheapest$45Average$165FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$73Average$149FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$135Average$269FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$164Average$258FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$266Average$461FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.