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Cheap flights from Ottawa to Fremont from C$ 198

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Ottawa to Fremont are usually found in January or May, booked 85 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap flight deals from Ottawa to Fremont

Keep the following information in mind while searching for Ottawa to Fremont flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 358

One-way from

C$ 198

Popular in

December

Cheapest in

January

Average price

C$ 457
WestJet
  • WestJet
  • 24/7-3/8
  • 3 total stops
  • 31h 24m total
  • Ottawa to Fremont
Search Deals
WestJet
  • WestJet
  • 13/8
  • 2 total stops
  • 12h 05m total
  • Ottawa to Fremont
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ottawa to Fremont

Cheapest flights from Ottawa to Fremont
Explore the most affordable flight options available from Ottawa to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Thu 24/77:15 p.m.YOW - SFO
2 stops21h 44mWestJet
Sun 3/86:05 p.m.SFO - YOW
1 stop9h 40mWestJet
Deal found 12/6C$ 358
Tue 22/79:55 p.m.YOW - SFO
1 stop15h 38mAir Canada
Tue 5/81:55 p.m.SFO - YOW
1 stop8h 40mAir Canada
Deal found 12/6C$ 427
Fri 1/85:45 a.m.YOW - SFO
2 stops21h 14mMultiple Airlines
Sun 3/86:05 p.m.SFO - YOW
1 stop9h 40mMultiple Airlines
Deal found 12/6C$ 443
Wed 23/75:55 a.m.YOW - SFO
2 stops15h 24mDelta
Wed 30/76:05 p.m.SFO - YOW
1 stop9h 40mDelta
Deal found 12/6C$ 489
Fri 1/87:00 a.m.YOW - SFO
1 stop8h 23mPorter Airlines
Sun 3/81:25 p.m.SFO - YOW
1 stop7h 56mPorter Airlines
Deal found 10/6C$ 573
Thu 28/86:33 a.m.YOW - SFO
2 stops14h 13mUnited Airlines
Sat 6/912:43 a.m.SFO - YOW
2 stops10h 30mUnited Airlines
Deal found 10/6C$ 749

Cheapflights Fare Finder

Customize your flight search to find flights from Ottawa 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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Ottawa to Fremont that are best for you.

Fly from

Ottawa

Fly to

Fremont

Route

Depart

Return

Price

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 24/7

7:15 p.m.-1:59 p.m.

2 stops21h 44m

San Francisco

Sun 3/8

6:05 p.m.-6:45 a.m.

1 stop9h 40m

C$ 358

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Tue 22/7

9:55 p.m.-10:33 a.m.

1 stop15h 38m

San Francisco

Tue 5/8

1:55 p.m.-1:35 a.m.

1 stop8h 40m

C$ 427

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 1/8

5:45 a.m.-11:59 p.m.

2 stops21h 14m

San Francisco

Sun 3/8

6:05 p.m.-6:45 a.m.

1 stop9h 40m

C$ 443

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 23/7

5:55 a.m.-6:19 p.m.

2 stops15h 24m

San Francisco

Wed 30/7

6:05 p.m.-6:45 a.m.

1 stop9h 40m

C$ 489

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 1/8

7:00 a.m.-12:23 p.m.

1 stop8h 23m

San Francisco

Sun 3/8

1:25 p.m.-12:21 a.m.

1 stop7h 56m

C$ 573

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 28/8

6:33 a.m.-5:46 p.m.

2 stops14h 13m

San Francisco

Sat 6/9

12:43 a.m.-2:13 p.m.

2 stops10h 30m

C$ 749

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 13/8

12:20 p.m.-9:25 p.m.

2 stops12h 05m

C$ 198

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 10/9

7:00 a.m.-12:23 p.m.

1 stop8h 23m

C$ 202

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 8/9

6:00 a.m.-11:11 a.m.

1 stop8h 11m

C$ 209

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Wed 16/7

5:45 a.m.-5:20 p.m.

2 stops14h 35m

C$ 250

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 12 results
1
2

Best time to book a flight from Ottawa to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Ottawa 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.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Fremont

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Fremont. Price data was last updated on 9 June 2025.

The price you pay for your flight from Ottawa to Fremont may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to Fremont (average of C$ 276). Flying from Ottawa to Fremont in December is currently the most expensive (average of C$ 368). 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 YOW to FR8?

Find hourly flight availability from Ottawa 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 12 June 2025.

When flying from Ottawa to Fremont, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Fremont. Price data was last updated on 16 December 2024.

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

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 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit Fremont when rainfall is around 0.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 12 June 2025.
To help decide which airline to fly from Ottawa to Fremont, see what other customers have to say about Porter Airlines, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
288 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
288 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very good
7,950 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,790 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
WestJet
7.2
Good
2,868 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Canada
7.1
Good
9,531 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Comfort

8.1

Food

7.6

Overall

8.0

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Related info for your journey

Find useful and relevant information for your journey from Ottawa 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 Ottawa to Fremont?

    Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to Fremont. You should not have trouble finding flights to Fremont from Ottawa; the airport handles an average of 0 outbound flights to Fremont per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Ottawa airport to Fremont. It is only a 10.6 km journey to Ottawa (YOW) from Ottawa’s city centre.

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

    The cheapest airlines for a one-way flight from Ottawa to Fremont are WestJet (C$ 198), Porter Airlines (C$ 202), and Air Canada (C$ 209).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa 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 Ottawa to Fremont?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Fremont (average of C$ 276). Flying from Ottawa to Fremont in December is currently the most expensive (average of C$ 368). 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

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Top 4 airlines flying from Ottawa to Fremont

Discover the top 4 airlines that operate flights from Ottawa 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 308AverageC$ 440FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 330AverageC$ 876FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 334AverageC$ 616FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 341AverageC$ 505FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa to Fremont?

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Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Fremont for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ottawa to Fremont with no change fees?

Yes, we can. To see specific flights from Ottawa to Fremont with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ottawa to Fremont become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Fremont from Ottawa today and book when prices fit your budget.

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