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$144+ Cheap flights from Fremont, CA to Ottawa (YOW)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YOW
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Ottawa are usually found in February or June, booked 81 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Fremont to Ottawa

Keep the following information in mind while searching for Fremont to Ottawa flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$336
(Kiwi.com)

One-way from

$144
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$538
Provider with most accurate pricing for San Francisco-Ottawa flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Ottawa flights.
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From Fremont to Ottawa
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One-way flight from Fremont to Ottawa
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Highest demand for flights based on searches. 12% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Fremont to Ottawa

Cheapest flights from Fremont to Ottawa
Explore the most affordable flight options available from Fremont to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/2910:15 amSFO - YOW
1 stop25h 29mMultiple Airlines
sáb. 12/64:20 pmYOW - SFO
2 stops42h 33mMultiple Airlines
Deal found 10/30$336
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/210:15 amSFO - YOW
1 stop25h 29mMultiple Airlines
dom. 12/146:00 amYOW - SFO
1 stop9h 12mMultiple Airlines
Deal found 10/29$343
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/271:00 pmSFO - YOW
1 stop8h 40mWestJet
jue. 12/46:00 amYOW - SFO
1 stop9h 12mWestJet
Deal found 10/30$350
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/127:00 amSFO - YOW
2 stops14h 40mMultiple Airlines
dom. 12/146:00 amYOW - SFO
1 stop9h 12mMultiple Airlines
Deal found 10/28$359
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/271:00 pmSFO - YOW
1 stop8h 40mMultiple Airlines
jue. 12/46:45 amYOW - SFO
1 stop8h 55mMultiple Airlines
Deal found 10/30$360
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/271:40 pmSFO - YOW
1 stop7h 59mPorter Airlines
jue. 12/46:45 amYOW - SFO
1 stop8h 55mPorter Airlines
Deal found 10/30$376
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/171:40 pmSFO - YOW
1 stop7h 59mPorter Airlines
jue. 11/206:45 amYOW - SFO
1 stop8h 55mPorter Airlines
Deal found 10/30$404

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont to Ottawa 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 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Fremont to Ottawa that are best for you.

Fly from

Fremont

Fly to

Ottawa

Route

Depart

Return

Price

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

jue. 11/27

1:00 pm-12:40 am

1 stop8h 40m

Ottawa

jue. 12/4

6:00 am-12:12 pm

1 stop9h 12m

$350

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

jue. 11/27

1:00 pm-12:40 am

1 stop8h 40m

Ottawa

jue. 12/4

6:45 am-12:40 pm

1 stop8h 55m

$360

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

sáb. 11/29

10:15 am-12:42 am

3 stops35h 27m

Ottawa

sáb. 12/6

12:10 pm-9:30 am

3 stops24h 20m

$458

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

jue. 11/20

11:20 am-12:18 am

1 stop9h 58m

Ottawa

jue. 11/27

7:45 am-3:35 pm

1 stop10h 50m

$494

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

jue. 1/1

8:30 am-9:18 pm

1 stop9h 48m

Ottawa

lun. 1/12

5:00 am-10:54 am

1 stop8h 54m

$495

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

vie. 12/12

1:00 pm-2:44 pm

2 stops22h 44m

Ottawa

dom. 12/14

9:30 am-10:19 am

2 stops27h 49m

$546

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

jue. 1/1

1:29 pm-12:35 pm

2 stops20h 06m

Ottawa

lun. 1/12

5:45 pm-12:12 pm

1 stop21h 27m

$574

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

dom. 12/28

11:05 pm-5:18 pm

1 stop15h 13m

Ottawa

lun. 1/5

7:27 pm-10:16 am

1 stop17h 49m

$583

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

vie. 12/26

6:00 am-9:18 pm

1 stop12h 18m

Ottawa

lun. 1/5

7:27 pm-10:16 am

1 stop17h 49m

$583

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

jue. 1/1

1:00 pm-6:21 pm

2 stops26h 21m

Ottawa

lun. 1/12

7:15 pm-12:12 pm

2 stops19h 57m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 20 results
1
2

Best time to book a flight from Fremont to Ottawa

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

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

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Ottawa. Price data was last updated on October 24, 2025.

The price you pay for your flight from Fremont to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 81 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 Fremont to Ottawa?

Currently, September is the cheapest month in which you can book a flight from Fremont to Ottawa (average of $142). Flying from Fremont to Ottawa in November is currently the most expensive (average of $218). 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 FR8 to YOW?

Find hourly flight availability from Fremont to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

It’s typically best to fly out from Fremont to Ottawa in the afternoon. Doing so could potentially save you 39% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

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

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated octubre 30, 2025.
Read reviews from past customers who have flown Porter Airlines, United Airlines, and WestJet from Fremont to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,998 reviews
Porter Airlines
8.0
Very good
384 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,149 reviews
Porter Airlines
8.0
Very good
384 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,377 reviews
Porter Airlines
8.0
Very good
384 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

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

    Most people fly into Ottawa (YOW) if they book a flight to Ottawa from Fremont. On average, Ottawa has 0 inbound flights from Fremont per day from 4 airlines. Ottawa is conveniently located just 6.6 mi from Ottawa’s city center.

  • How long is the flight from Fremont to Ottawa?

    WestJet can get you from Fremont to Ottawa in just under 8h 40m. Your travel time can differ by up to . The distance between Fremont and Ottawa is about 2439 mi.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Fremont to Ottawa (average of $142). Flying from Fremont to Ottawa in November is currently the most expensive (average of $218). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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Top 4 airlines flying from Fremont to Ottawa

Discover the top 4 airlines that operate flights from Fremont to Ottawa. 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 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$255Average$324FlexibilityNo cancel feeOn-time52%
WestJetCheapest$269Average$413FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$281Average$726FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$305Average$485FlexibilityNo cancel feeOn-time67%

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