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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SFO
9 Jan — 16 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Ottawa to Fremont are usually found in May or April, booked 83 days in advance, depart on a Thursday or Wednesday and return on a Friday
Cheap flight deals from Ottawa to Fremont
Enter your travel dates to find the best prices.
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 10 December 2025.
Mon 15/127:15 p.m.YOW - SFO
2 stops19h 57mWestJet
Thu 8/11:00 p.m.SFO - YOW
2 stops32h 42mWestJet
Deal found 9/12C$ 806
Thu 11/126:00 a.m.YOW - SFO
1 stop9h 12mMultiple Airlines
Tue 16/1210:20 a.m.SFO - YOW
2 stops28h 05mMultiple Airlines
Deal found 9/12C$ 827
Mon 22/126:15 a.m.YOW - SFO
1 stop14h 21mAir Canada
Mon 29/128:30 a.m.SFO - YOW
1 stop7h 48mAir Canada
Deal found 8/12C$ 980
Sun 21/126:00 a.m.YOW - SFO
1 stop9h 12mWestJet
Sun 28/121:00 p.m.SFO - YOW
1 stop8h 40mWestJet
Deal found 8/12C$ 983
Mon 22/125:45 p.m.YOW - SFO
1 stop21h 27mMultiple Airlines
Mon 12/11:40 p.m.SFO - YOW
1 stop8h 03mMultiple Airlines
Deal found 10/12C$ 986
Sat 27/125:40 a.m.YOW - SFO
1 stop10h 00mMultiple Airlines
Wed 31/1211:20 p.m.SFO - YOW
2 stops21h 38mMultiple Airlines
Deal found 9/12C$ 996
Mon 15/126:45 a.m.YOW - SFO
1 stop8h 55mPorter Airlines
Thu 8/11:40 p.m.SFO - YOW
1 stop8h 03mPorter Airlines
Deal found 9/12C$ 1,007
Fri 19/126:00 a.m.YOW - SFO
1 stop10h 30mAir Canada
Tue 30/128:30 a.m.SFO - YOW
1 stop9h 48mAir Canada
Deal found 9/12C$ 1,030
Best flights from Ottawa to Fremont
Discover carefully curated flight deals from Ottawa to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 December 2025.
Tue 13/16:00 a.m.YOW - SFO
1 stop9h 12mMultiple Airlines
Sun 1/210:15 a.m.SFO - YOW
1 stop25h 30mMultiple Airlines
Deal found 7/12C$ 393
Sun 3/53:45 p.m.YOW - SFO
1 stop8h 39mWestJet
Fri 8/512:50 p.m.SFO - YOW
1 stop8h 50mWestJet
Deal found 8/12C$ 425
Mon 19/15:45 p.m.YOW - SFO
1 stop21h 27mMultiple Airlines
Sun 25/110:15 a.m.SFO - YOW
1 stop25h 30mMultiple Airlines
Deal found 7/12C$ 433
Sun 18/16:00 a.m.YOW - SFO
1 stop9h 12mWestJet
Fri 23/11:00 p.m.SFO - YOW
2 stops32h 42mWestJet
Deal found 10/12C$ 447
Fri 5/66:15 a.m.YOW - SFO
2 stops13h 59mWestJet
Sun 7/612:50 p.m.SFO - YOW
2 stops13h 38mWestJet
Deal found 8/12C$ 460
Sat 6/66:15 a.m.YOW - SFO
2 stops13h 59mWestJet
Sun 7/612:50 p.m.SFO - YOW
2 stops13h 38mWestJet
Deal found 8/12C$ 460
Thu 29/15:40 a.m.YOW - SFO
2 stops33h 32mWestJet
Thu 5/21:00 p.m.SFO - YOW
2 stops32h 39mWestJet
Deal found 9/12C$ 478
Mon 2/27:15 p.m.YOW - SFO
2 stops19h 55mWestJet
Mon 9/21:00 p.m.SFO - YOW
2 stops32h 39mWestJet
Deal found 9/12C$ 483
Sat 6/63:45 p.m.YOW - SFO
1 stop8h 39mWestJet
Mon 8/612:50 p.m.SFO - YOW
2 stops13h 38mWestJet
Deal found 8/12C$ 487
Last-minute flights from Ottawa to Fremont
Discover last-minute flight deals from Ottawa to Fremont. Data last updated 10 December 2025 and is based on user searches.
Mon 15/127:15 p.m.YOW - SFO
2 stops19h 57mWestJet
Thu 8/11:00 p.m.SFO - YOW
2 stops32h 42mWestJet
Deal found 9/12C$ 806
Mon 15/126:45 a.m.YOW - SFO
1 stop8h 55mPorter Airlines
Thu 8/11:40 p.m.SFO - YOW
1 stop8h 03mPorter Airlines
Deal found 9/12C$ 1,007
Fri 19/126:00 a.m.YOW - SFO
1 stop10h 30mAir Canada
Tue 30/128:30 a.m.SFO - YOW
1 stop9h 48mAir Canada
Deal found 9/12C$ 1,030
Fri 19/127:45 a.m.YOW - SFO
1 stop10h 50mAir Canada
Mon 29/122:30 p.m.SFO - YOW
1 stop8h 08mAir Canada
Deal found 8/12C$ 1,038
Fri 19/126:45 a.m.YOW - SFO
1 stop8h 55mPorter Airlines
Mon 29/121:40 p.m.SFO - YOW
1 stop8h 01mPorter Airlines
Deal found 9/12C$ 1,192
Sat 20/125:00 a.m.YOW - SFO
2 stops15h 36mAir Canada
Mon 29/128:30 a.m.SFO - YOW
1 stop7h 48mAir Canada
Deal found 8/12C$ 1,070
Sat 20/125:40 a.m.YOW - SFO
2 stops33h 32mWestJet
Sun 28/121:00 p.m.SFO - YOW
1 stop8h 40mWestJet
Deal found 9/12C$ 1,185
Sat 20/125:09 p.m.YOW - SFO
1 stop19h 03mUnited Airlines
Sun 28/125:00 a.m.SFO - YOW
2 stops13h 18mUnited Airlines
Deal found 8/12C$ 1,188
One-way flights from Ottawa to Fremont
Search for one-way flight options from Ottawa to Fremont. Find affordable one-way fares based on user searches. Data last updated 10 December 2025.
Tue 3/36:00 a.m.YOW - SFO
1 stop9h 10mWestJet
Deal found 9/12C$ 252
Wed 21/15:40 a.m.YOW - SFO
3 stops31h 58mMultiple Airlines
Deal found 8/12C$ 259
Mon 9/36:45 a.m.YOW - SFO
1 stop8h 55mPorter Airlines
Deal found 9/12C$ 260
Mon 9/35:40 a.m.YOW - SFO
2 stops33h 30mWestJet
Deal found 9/12C$ 263
Tue 10/36:45 a.m.YOW - SFO
1 stop8h 55mPorter Airlines
Deal found 10/12C$ 267
Fri 23/15:40 a.m.YOW - SFO
2 stops30h 50mMultiple Airlines
Deal found 9/12C$ 274
Mon 9/25:40 a.m.YOW - SFO
3 stops33h 30mWestJet
Deal found 10/12C$ 278
Sun 8/36:45 a.m.YOW - SFO
1 stop8h 55mPorter Airlines
Deal found 8/12C$ 281
Fri 9/14:20 p.m.YOW - SFO
2 stops24h 11mMultiple Airlines
Deal found 9/12C$ 284
Sat 7/25:40 a.m.YOW - SFO
2 stops13h 11mMultiple Airlines
Deal found 8/12C$ 288
Find flight deals from Ottawa to Fremont
Keep the following information in mind while searching for Ottawa to Fremont flight deals. Data was last updated 10 December 2025.
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 10 December 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
Tue 13/1
6:00 a.m.-12:12 p.m.
1 stop9h 12m
San Francisco
Sun 1/2
10:15 a.m.-2:45 p.m.
1 stop25h 30m
C$ 393
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Sun 3/5
3:45 p.m.-9:24 p.m.
1 stop8h 39m
San Francisco
Fri 8/5
12:50 p.m.-12:40 a.m.
1 stop8h 50m
C$ 425
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Mon 19/1
5:45 p.m.-12:12 p.m.
1 stop21h 27m
San Francisco
Sun 25/1
10:15 a.m.-2:45 p.m.
1 stop25h 30m
C$ 433
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Sun 18/1
6:00 a.m.-12:12 p.m.
1 stop9h 12m
San Francisco
Fri 23/1
1:00 p.m.-12:42 a.m.
2 stops32h 42m
C$ 447
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Fri 5/6
6:15 a.m.-5:14 p.m.
2 stops13h 59m
San Francisco
Sun 7/6
12:50 p.m.-5:28 a.m.
2 stops13h 38m
C$ 460
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Sat 6/6
6:15 a.m.-5:14 p.m.
2 stops13h 59m
San Francisco
Sun 7/6
12:50 p.m.-5:28 a.m.
2 stops13h 38m
C$ 460
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Thu 29/1
5:40 a.m.-12:12 p.m.
2 stops33h 32m
San Francisco
Thu 5/2
1:00 p.m.-12:39 a.m.
2 stops32h 39m
C$ 478
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Mon 2/2
7:15 p.m.-12:10 p.m.
2 stops19h 55m
San Francisco
Mon 9/2
1:00 p.m.-12:39 a.m.
2 stops32h 39m
C$ 483
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Sat 6/6
3:45 p.m.-9:24 p.m.
1 stop8h 39m
San Francisco
Mon 8/6
12:50 p.m.-5:28 a.m.
2 stops13h 38m
C$ 487
OttawaSan Francisco
YOW - SFO
YOWSFO
Ottawa
Wed 21/1
5:40 a.m.-10:38 a.m.
3 stops31h 58m
C$ 259
Flights are sorted by cheapest round-trip flights first.
Deals found on 8/12
Showing 1-10 of 20 results
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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 5 December 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 83 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, April is the cheapest month in which you can book a flight from Ottawa to Fremont (average of C$ 302). Flying from Ottawa to Fremont in December is currently the most expensive (average of C$ 406). 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 10 December 2025.
A simple way to save on the total cost of your ticket is to fly from Ottawa to Fremont at noon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the morning.
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 Friday afternoons 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.
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 10 December 2025.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet from Ottawa to Fremont to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
It's good. Planes are new and fresh. WiFi is best and stands out
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.
How long is the flight from Ottawa to Fremont?
Airlines like WestJet fly from Ottawa to Fremont in about 8h 39m. The time it takes to get you to your destination can typically vary by up to . Ottawa and Fremont are separated by a distance of 3925 km.
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$ 204), Porter Airlines (C$ 209), and Air Canada (C$ 229).
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, April is the cheapest month in which you can book a flight from Ottawa to Fremont (average of C$ 302). Flying from Ottawa to Fremont in December is currently the most expensive (average of C$ 406). 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.
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 10 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ottawa to Fremont?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Fremont from Ottawa today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Ottawa to Fremont?
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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