Cheap flights from Ottawa to Fremont

Round-trip
Economy
Ottawa (YOW)
San Francisco (SFO)
Depart
Return
Any month
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The best prices from Ottawa to Fremont are usually found in April or May, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Friday

How to find the cheapest flight from
Ottawa (YOW) to Fremont (SFO)

All the information you need to plan the best YOW to SFO flight in 2021: compare Ottawa to Fremont flight prices with the expected peak season, weather and rainfall in Fremont.
YOW - SFO
Price
C$ 362 - C$ 658
SFO
Temperature
15 - 25 °C

Popular in

December

High demand for flights, 29% potential price rise

Cheapest in

April

Best time to find cheap flights, 22% potential price drop

Round-trip from

C$ 362

From Ottawa to Fremont

One-way from

C$ 241

One-way flight from Ottawa to Fremont

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Ottawa to Fremont?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 34% when planning your travel around this day of the week.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 59 days in advance, which can save you up to 27% on flights from Ottawa to Fremont compared to booking the week you need them. Waiting 59 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 668. For sooner than that we have options available in the next 3 days from C$ 794.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Fremont. Flights to Fremont from Ottawa in August are about C$ 596 on average during August, but can be found for as low as C$ 501.

When is the cheapest time to fly from Ottawa to Fremont (YOW - SFO)?

It’s typically best to fly out from Ottawa to Fremont in the evening. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Ottawa to Fremont in May, June 2021

The best prices found for YOW to SFO flights for May, June
15 Jun - 28 Jul
C$ 435pp
YOW
Ottawa
Air Canada
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Canada
 
1 STOP
YOW
Ottawa
15 Jun - 28 Jul
C$ 440pp
YOW
Ottawa
Air Canada
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Canada
   
2 STOPS
YOW
Ottawa
10 Jun - 14 Jun
C$ 441pp
YOW
Ottawa
Air Canada
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Canada
   
2 STOPS
YOW
Ottawa

Ottawa to Fremont 2021 flight deals

Cheap flights to Fremont from Ottawa found for this year
20 Sep - 22 Sep
C$ 430pp
YOW
Ottawa
United Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
United Airlines
 
1 STOP
YOW
Ottawa
26 Aug - 29 Aug
C$ 431pp
YOW
Ottawa
Air Canada
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Air Canada
 
1 STOP
YOW
Ottawa
14 Aug - 5 Sep
C$ 433pp
YOW
Ottawa
Air Canada
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Air Canada
 
1 STOP
YOW
Ottawa

One-way flights to Fremont from Ottawa

The cheapest one-way flights from Ottawa to Fremont
4:30 a.m. - 1:05 p.m.
Air Canada
1 stop
11h 35m
YOW - SFO
Air Canada
C$ 241
10:45 a.m. - 5:48 p.m.
United Airlines
1 stop
10h 03m
YOW - SFO
United Airlines
C$ 251
United
3:00 a.m. - 1:05 p.m.
Air Canada
2 stops
13h 05m
YOW - SFO
Air Canada
C$ 246

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ottawa</span> to <span class="emphasized">Fremont</span> flights.

Flight FAQs

From Ottawa to Fremont

Can I find flights from Ottawa to Fremont for under C$ 491 on Cheapflights?

Yes, there are multiple flights from Ottawa to Fremont for under C$ 491. The cheapest flight booked recently is on United Airlines for just C$ 430, but on average you can expect to pay C$ 476.

What safety measures are being taken by airlines flying from Ottawa to San Francisco to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travellers booking flights from Ottawa to San Francisco include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Ottawa to San Francisco have flexible cancellations due to COVID-19?

Some of our airline partners flying from Ottawa to San Francisco have new flexible policies in place due to COVID-19. United Airlines, Air Canada, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Are there direct flights from Ottawa to Fremont for under C$ 491 on Cheapflights?

There are no direct flights from Ottawa to Fremont, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Ottawa or San Francisco?

Expected rainfall in Ottawa is less than in San Francisco. You can expect this to be the case over the next 19 days.

Is Ottawa weather warmer or cooler than San Francisco?

Expect the weather to be around 27 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Francisco is generally colder than in Ottawa.

How long is the flight from Ottawa to Fremont?

Air Canada, United Airlines, and WestJet can get you from Ottawa to Fremont in just under 8h 10m. Your travel time can differ by up to 3h 34m. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to flying from Ottawa to Fremont round-trip?

Flying on United Airlines is currently your cheapest option to Fremont, with prices starting at C$ 430. Additional round-trip tickets that might be worth considering are offered by Air Canada and WestJet, with the lowest prices starting at C$ 431 and C$ 447, respectively. These flights start at 7% lower than the current average price 3 months from now.

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

One-way options have recently been found by users for as low as C$ 241 on Air Canada. Another option is United Airlines, who have fights from C$ 251.

Alternative routes for Ottawa to Fremont

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

Destination information for Fremont

Things to know before you go - useful duration and weather info for your trip from Ottawa to Fremont.
Today's exchange rate
C$ 1 = $0.82
Average temperature for May in Fremont
22.0 °C

Airports servicing Ottawa

Airports servicing San Francisco

Top 5 airlines flying from Ottawa to Fremont

The chart below displays the airlines Cheapflights users travelling from Ottawa to Fremont choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
WestJet
C$ 248 C$ 374 No cancel fee 60%
Search WestJet flights
Delta
C$ 183 C$ 390 No cancel fee N/A
Search Delta flights
United Airlines
C$ 257 C$ 430 No cancel fee 69%
Search United Airlines flights
American Airlines
C$ 229 C$ 444 No cancel fee 71%
Search American Airlines flights
Air Canada
C$ 158 C$ 484 No cancel fee 67%
Search Air Canada flights
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