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$28+ 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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SFO
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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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 November 21, 2024.

Popular in

February

Cheapest in

July

Round-trip from

$56
(Cheapflightsfares)

One-way from

$28
(Cheapflightsfares)
High demand for flights, 38% potential price rise
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Best time to find cheap flights, 33% potential price drop
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From Ontario to Fremont
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One-way flight from Ontario to Fremont
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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 November 21, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/87:05 amONT - SFO
Nonstop1h 29mFrontier
Mon 12/94:32 pmSFO - ONT
Nonstop1h 28mFrontier
Deal found 11/19$59
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/46:00 amONT - SFO
Nonstop1h 26mUnited Airlines
Fri 1/247:00 pmSFO - ONT
Nonstop1h 29mUnited Airlines
Deal found 11/20$179

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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Tue 3/25

7:36 am-9:02 am

Nonstop1h 26m

San Francisco

Tue 4/1

5:15 am-6:36 am

Nonstop1h 21m

$56

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Sat 12/14

6:00 am-7:26 am

Nonstop1h 26m

San Francisco

Tue 12/31

9:27 pm-11:00 pm

Nonstop1h 33m

$173

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Sat 1/18

4:06 pm-8:56 am

2 stops16h 50m

San Francisco

Mon 1/20

9:59 pm-11:24 pm

Nonstop1h 25m

$196

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Sat 2/1

11:14 am-4:32 pm

1 stop5h 18m

San Francisco

Tue 2/4

8:00 am-8:13 pm

2 stops12h 13m

$227

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 12/19

7:47 pm-9:18 pm

Nonstop1h 31m

$28

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Tue 12/17

6:00 am-7:26 am

Nonstop1h 26m

$94

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Tue 2/18

10:05 am-4:13 pm

1 stop6h 08m

$99

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Tue 1/28

11:14 am-7:16 pm

1 stop8h 02m

$111

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 2/20

4:05 pm-11:05 pm

1 stop7h 00m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

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 15, 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 November 21, 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. Sunday at noon 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 November 21, 2024.

The most flights from ONT to FR8 are scheduled on a Wednesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 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 November 21, 2024.
To help decide which airline to fly from Ontario to Fremont, see what other customers have to say about Frontier and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 10

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

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,005 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

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 12 daily outbound flights to Fremont from 8 different airlines.

  • How popular is this Ontario to Fremont flight route?

    Within the past month, 152 users have taken a look at flights from Ontario to Fremont.

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

    $28 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 American Airlines, with prices starting from $79 and $99, 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 Frontier (85%), Air Canada (82%) or SkyWest 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 $1,014, our data indicates the cheapest price to be $29. The most popular route (Ontario - San Francisco), is priced around $56.

  • 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.

  • 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.

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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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$26Average$84FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$36Average$94FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$45Average$306FlexibilityNo cancel feeOn-time75%
DeltaCheapest$50Average$183FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$73Average$139FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$134Average$263FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$178Average$268FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$273Average$457FlexibilityNo cancel feeOn-time71%
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