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Ottawa

$132+ Cheap flights from San Francisco (SFO) 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YOW
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Ottawa are usually found in February or January, booked 83 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from San Francisco to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Ottawa (YOW). 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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(Trip.com)

One-way from

$132
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$588
Provider with most accurate pricing for San Francisco-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Ottawa flights.
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From San Francisco to Ottawa
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One-way flight from San Francisco to Ottawa
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from San Francisco to Ottawa

Cheapest flights from San Francisco to Ottawa
Explore the most affordable flight options available from San Francisco to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 21, 2025.

This Trip.com deal was found by Cheapflights users on 3/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/141:40 pmSFO - YOW
1 stop8h 00mMultiple Airlines
Tue 4/156:15 amYOW - SFO
1 stop9h 51mMultiple Airlines
Deal found 3/20$283
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/276:05 pmSFO - YOW
1 stop9h 40mWestJet
Thu 5/293:45 pmYOW - SFO
1 stop8h 40mWestJet
Deal found 3/20$284
This Trip.com deal was found by Cheapflights users on 3/21. 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.
Fri 5/21:30 pmSFO - YOW
1 stop7h 51mPorter Airlines
Sun 5/47:00 amYOW - SFO
1 stop8h 30mPorter Airlines
Deal found 3/21$289
This Air Canada deal was found by Cheapflights users on 3/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:25 amSFO - YOW
1 stop7h 42mAir Canada
Sat 5/172:30 pmYOW - SFO
1 stop8h 40mAir Canada
Deal found 3/20$347
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/75:55 amSFO - YOW
2 stops15h 14mDelta
Mon 4/215:55 amYOW - SFO
2 stops16h 05mDelta
Deal found 3/20$464
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Tue 5/612:10 amSFO - YOW
1 stop14h 23mUnited Airlines
Wed 5/146:33 amYOW - SFO
2 stops15h 09mUnited Airlines
Deal found 3/20$713

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco 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 March 21, 2025.
Use the filters below to find and compare flights from San Francisco to Ottawa that are best for you.

Fly from

San Francisco

Fly to

Ottawa

Route

Depart

Return

Price

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 4/14

1:40 pm-12:40 am

1 stop8h 00m

Ottawa

Tue 4/15

6:15 am-1:06 pm

1 stop9h 51m

$283

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 5/27

6:05 pm-6:45 am

1 stop9h 40m

Ottawa

Thu 5/29

3:45 pm-9:25 pm

1 stop8h 40m

$284

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 5/2

1:30 pm-12:21 am

1 stop7h 51m

Ottawa

Sun 5/4

7:00 am-12:30 pm

1 stop8h 30m

$289

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 5/8

11:25 am-10:07 pm

1 stop7h 42m

Ottawa

Sat 5/17

2:30 pm-8:10 pm

1 stop8h 40m

$347

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 4/7

5:55 am-12:09 am

2 stops15h 14m

Ottawa

Mon 4/21

5:55 am-7:00 pm

2 stops16h 05m

$464

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 5/6

12:10 am-5:33 pm

1 stop14h 23m

Ottawa

Wed 5/14

6:33 am-6:42 pm

2 stops15h 09m

$713

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 5/14

10:15 am-2:44 pm

1 stop25h 29m

$132

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 6/15

2:45 pm-6:45 am

2 stops13h 00m

$138

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 6/15

10:56 pm-11:04 am

1 stop9h 08m

$156

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 4/13

1:40 pm-12:40 am

1 stop8h 00m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 12 results
1
2

Compare providers for flights from San Francisco to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Ottawa in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Ottawa

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Ottawa. Price data was last updated on March 14, 2025.

The price you pay for your flight from San Francisco to Ottawa 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 San Francisco to Ottawa?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of $294). Flying from San Francisco to Ottawa in May is currently the most expensive (average of $469). 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 SFO to YOW?

Find hourly flight availability from San Francisco 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 March 21, 2025.

One of the essential ways to save on airfare from San Francisco to Ottawa is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 24% on airfare.

What is the cheapest day to fly from San Francisco to Ottawa?

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

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

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

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 March 21, 2025.
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
7.9
Good
275 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,783 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
8,907 reviews
Delta
8.0
Very good
7,895 reviews

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from San Francisco to Ottawa round-trip?

    Flying on WestJet is currently your cheapest option to Ottawa, with prices starting at $284. Additional round-trip tickets that might be worth considering are offered by Porter Airlines and Air Canada, with the lowest prices starting at $289 and $347, respectively. Users have found that WestJet is 46% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from San Francisco to Ottawa are WestJet ($138), Air Canada ($156), and United Airlines ($393).

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

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

  • How can I find direct flights from San Francisco to Ottawa?

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

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

    Yes. Cheapflights offers flight deals from San Francisco 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 San Francisco to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of $294). Flying from San Francisco to Ottawa in May is currently the most expensive (average of $469). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Gatineau
Brockville
Pembroke
Petawawa

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Alternative routes for San Francisco to Ottawa

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Top 4 airlines flying from San Francisco to Ottawa

Discover the top 4 airlines that operate flights from San Francisco 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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$254Average$466FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$281Average$621FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$297Average$494FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$308Average$601FlexibilityNo cancel feeOn-time67%
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