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Find cheap flights from San Francisco to Ottawa from $137

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Ottawa departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 5/19
Sun 5/26

Search hundreds of travel sites at once for deals on flights to Ottawa

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Ottawa, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Ottawa, as well as popular online travel agencies
In the last 7 days travelers have searched 44,212,662 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

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Filter your dealsChoose cabin class, free Wi-Fi and more.

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Cheap flight deals from San Francisco to Ottawa (SFO-YOW)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Ottawa that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
3:20 pm - 9:59 amSFO-YOW
15h 39m2 stops
6:15 am - 2:34 pmYOW-SFO
11h 19m1 stop
Sat, May 18 - Sat, May 25
3:20 pm - 2:19 pmSFO-YOW
19h 59m3 stops
6:15 am - 2:34 pmYOW-SFO
11h 19m1 stop
Sat, May 18 - Sat, May 25
3:20 pm - 12:54 amSFO-YOW
30h 34m1 stop
6:15 am - 2:34 pmYOW-SFO
11h 19m1 stop
$465WestJet
Find Deal
Sat, May 18 - Sat, May 25
7:30 am - 7:14 pmSFO-YOW
8h 44m1 stop
6:00 am - 2:33 pmYOW-SFO
11h 33m2 stops
$515WestJet
Find Deal
Wed, Jul 17 - Tue, Aug 6
1:53 pm - 12:28 amSFO-YOW
7h 35m1 stop
7:50 am - 12:52 pmYOW-SFO
8h 02m1 stop
$561Porter Airlines
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Sat, May 4 - Mon, May 13
1:53 pm - 12:28 amSFO-YOW
7h 35m1 stop
7:50 am - 12:52 pmYOW-SFO
8h 02m1 stop
$568Porter Airlines
Find Deal
Sun, May 5 - Thu, May 9
10:30 pm - 9:25 amSFO-YOW
7h 55m1 stop
5:30 am - 10:30 amYOW-SFO
8h 00m1 stop
$607Air Canada
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Sun, Jun 16 - Tue, Jul 2
10:45 pm - 5:06 pmSFO-YOW
15h 21m1 stop
7:30 pm - 1:04 amYOW-SFO
8h 34m1 stop
$618United Airlines
Find Deal
Tue, May 7 - Wed, May 8
10:30 pm - 9:24 amSFO-YOW
7h 54m1 stop
5:30 am - 10:30 amYOW-SFO
8h 00m1 stop
$627Air Canada
Find Deal
Mon, Jun 17 - Sun, Jun 23
12:09 am - 9:32 pmSFO-YOW
18h 23m1 stop
7:30 pm - 1:04 amYOW-SFO
8h 34m1 stop
$643United Airlines
Find Deal
Thu, Apr 25 - Mon, Apr 29

Flights from San Francisco to Ottawa - Travel Insights & Trends

Get data-powered insights and trends into flights from San Francisco to Ottawa to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from San Francisco to Ottawa?

The average price of all flights from San Francisco to Ottawa clicked on KAYAK for each day over the last 12 months.
When flying from San Francisco to Ottawa, you should consider leaving on a Tuesday and avoid Fridays if you are looking for the best rates. For your return to San Francisco, you’ll find the best rates on Tuesdays and the most expensive ones on Sundays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from San Francisco to Ottawa, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from San Francisco to Ottawa is January, where tickets cost $496 on average. On the other hand, the most expensive months are December and April, where the average cost of tickets is $795 and $780 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from San Francisco to Ottawa, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from San Francisco to Ottawa, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 90 days before departure.

Which airlines provide the cheapest flights from San Francisco to Ottawa?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest one-way tickets to Ottawa from San Francisco were found on Air Canada ($220) and United Airlines ($299), and the lowest round-trip tickets were found on WestJet ($465) and Porter Airlines ($561).

Good to know

Low season

April

High season

June

Cheapest flight

$137
Best time to beat the crowds but there is an average 21% increase in price.
Most popular time to fly with an average 1% increase in price.
Flight from San Francisco to Ottawa

When to book flights from San Francisco to Ottawa

Are your dates flexible? Find out the best times to travel from San Francisco to Ottawa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Francisco to Ottawa

  • What is the cheapest flight from San Francisco to Ottawa?

    In the last 3 days, the lowest price for a flight from San Francisco to Ottawa was $137 for a one-way ticket and $413 for a round-trip.

  • Do I need a passport to fly between San Francisco and Ottawa?

    Yes, you'll most likely have to show a valid passport before boarding the plane in San Francisco and on arrival in Ottawa.

  • Which airports will I be using when flying from San Francisco to Ottawa?

    On your way to Ottawa, you’ll fly out from San Francisco. You’ll be landing at Ottawa.

  • Which aircraft models fly most regularly from San Francisco to Ottawa?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Francisco to Ottawa?

    Star Alliance, and SkyTeam are the airline alliances operating flights between San Francisco and Ottawa, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Ottawa from San Francisco?

    Toronto is the most popular layover city among KAYAK users traveling from San Francisco to Ottawa.

  • Which is the best airline for flights from San Francisco to Ottawa, WestJet or United Airlines?

    The two airlines most popular with KAYAK users for flights from San Francisco to Ottawa are WestJet and United Airlines. With an average price for the route of $561 and an overall rating of 7.5, WestJet is the most popular choice. United Airlines is also a great choice for the route, with an average price of $638 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from San Francisco to Ottawa?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Ottawa.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Ottawa?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Ottawa?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and YOW can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Ottawa?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 4 airlines serving from San Francisco to Ottawa

 
See real verified KAYAK customer reviews for airlines flying from San Francisco to Ottawa. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Francisco to Ottawa? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.5
WestJetOverall score based on 3004 reviews
7.7boarding
7.3comfort
6.5food
8.2crew
6.5entertainment
Airline reviews

not as spartan as an air Canada flight, less comfortable / no in-flight screen as compared to similar priced Air Transat flight. Crew Cabin were professional and approachable. They got the job done, safe flight, on time despite delay in take off.

8.0 ExcellentMary, Mar 2024SXM - YYZ
Read more about WestJet reviews

not as spartan as an air Canada flight, less comfortable / no in-flight screen as compared to similar priced Air Transat flight. Crew Cabin were professional and approachable. They got the job done, safe flight, on time despite delay in take off.

We requested 2 wheel chairs upon arrival. On board an attendant told us to remain in our seats until everyone was off the plane. we were in row 11 and thought we would be off early. After all were off, a different attendant said we should leave, and that the chairs were gone. One was available for my friend who had just spent 9 days in hospital but I had to walk quite some distance. Eventually a cart arrived to take us the rest of the way. This was over an hour after our arrival. The staff at the terminal did their best to help us but if we had been allowed off with the other passengers, our ride home would have been an hour earlier.

There was no entertainment and no announcement till well after I and others asked about it, and no "compensation" (like a free snack)

4 hour delay, lost our bags, staff was loud and it was an overnight flight

Entertainment was the only issue. I did not have app & not equipped to watch movie on my phone. Used to other carriers with access to a screen for viewing. Other than that, everything was fine.

Great flight. Pilot was able to fully make up the 42 minute late arrival of the aircraft for an on time arrival in Toronto.

Over all good. I had some issues with trying to buy my seat. The Westjet system kept trying to charge my credit card, without getting the seat. In the end after 5 times being charged, I got my seat.

I did not have a meal or entertainment, but flight was comfortable, beverage service was quick, crew was very helpful and pleasant. And a very smooth flight overall.

Westjet delayed then rebooked us on flights for economy class when we paid for business class and now need a refund for fare difference and they aren't getting back to us

Our plane entertainment system was out… That made for a very long flight. In my opinion, WestJet should consider a credit or a partial refund for that.

Hated every minute of it. This flight should have only taken 1.5hrs but was delayed over 10hours. Now I am being told I cannot be compensated or refunded my ticket price or extra leg room, which I purchased but did not receive, because the airline is throwing the blame on the 3rd party I purchased tickets through and 3rd party putting the blame on airline. No one wants to help. They received their money and that's all they care about. Im going on 3 days of still trying to get to my final destination, had to cancel car rental, car insurance and hotel. Currently staying in airport until hotels open up. Thank you Lufthansa, Kayak, Underpricer and United for making this trip the worst ever.

Crew was great and did their best to make us comfortable and captain came out at the beginning to announce why the flight was delayed, weather situation up ahead, and kept us updated throughout the flight.

United WiFi is consistently unusable (it can take 10 mins to load a single web page). If you need Wifi to do work, be prepared to lose half a day of productivity.

Awful. I got stuck next to a person carrying a dog and behind someone with a dog. People need to board these dogs downstairs. The cabin is crowded enough with your pets

Packed in like sardines, very uncomfortable. Sitting the aisle my shoulder was rammed into numerous times by rushing flight attendants. Also flight was very cold.

Beverage and food services are excellent. We enjoy paying the extra for economy plus for the 3 inches more leg room to be exact.

Flight was delayed by 3 hours. The pilot made up 1 hour during the flight, but that made the wait at the airport 5 hours once you factor getting there 2 hours early.

Aircraft has better leg room than any of United's larger planes. We had requested mobility assistance for this and related flights. United's response to all was superb.

Airline did not explain reasons why flight was delayed two hours. Explanations were badly needed and rarely provided. Problem seemed to clearly be the airline’s fault and not the fault of the weather or airport.

Very uncomfortable seats and seat backs, and I am only 5’9”. Delayed due to crew issues, spent a long time with no ventilation. Teeny overhead bins. Wifi worked well. Arrived safely.

First time with Porter and I can say this is best airline company in Canada. Great service, free WiFi, free snack and drinks (including beer and wine). Seats were super comfy on the Embraer jet and I appreciated the folding try table too. Staff were excellent both legs of the trip.

Crew is ok. They offered food n drinks. Had difficulty connecting to wifi on board.

Tight transfer in Montreal. (15 min) However, we made it, as did my luggage.

Great. Porter is very efficient, welcoming, and organized. I fly Porter often.

Flight was smooth and comfortable. The crew were exceptional. Amanda, Nichole and Hershel were attentive to our every need. So friendly. My daughter and I were surprised at quality of service. Loved the double row seating. Snacks were delicious. We would definitely fly with Porter again. Flight PD 670 SFO to YYZ Thank you so much for the best flight experience we have had

The E195-E2 is a great aircraft! Leather seats, lots of legroom and SO quiet! The flight crew is terrific!

Check in was slow because of passenger ahead in Reserve line. Seats were somewhat uncomfortable.

Delayed by 2.5 hours. This happened previously on my flight from YOW to YVR on Dec. 26.2023. This is a terrible airline. The reason was there was lack of ground crew. This is a known event. AVOID PORTER AIRLINES IF YOU CAN. There is a reason half the plane was empty.

Flight delayed 6 hr. Looking for compensation and will claim for it.allow US people to fix to avoid huge delay having a canadian tech to fix it.

I didn’t make my flight due to poor weather and I had an accident driving there. I tried to get my money back or even credit and nothing. I have an entire flight both to Florida and back that I paid for and no one will give me any money back. I know this isn’t just Porter and it’s 3rd party- however airlines should allow these companies to take money for things they don’t get. I’m so upset. Who can afford a full flight they never take?

The trip was fine and uneventful. The seat in business class was very uncomfortable which was disappointing given the extra cost. It was spacious but it felt like I was sitting on metal bars. The food in business class wasn't very good. The flight was ahead of time, the staff was professional and courteous and our luggage arrived safely.

I didn't understand what "limited wifi" mean. Everything is money money money. I didn't have any other choice other than Air Canada since I couldn't find any other direct flight.

Flew in Business Class. The new AC lounge at SFO is one of the best I’ve been to with a spacious design and an open air deck. Flight itself was on-time and as expected overall.

It has space for legs. Comfortable seats Punctual Some snacks should be served

On the flight back from SFO to Vancouver ..the crew was less than professional. They completely missed asking if I wanted a drink (and I was awake at all times) and I had to walk to the back of the plane to ask for a cup of water to take with my medication. Also, there was a charge for ear adapters for the movie screen which were given out free on the flight from Vancouver to SFO. The flight from Vancouver to SFO had pleasant crew members. What a difference in the flight back.

It went well until they lost my baggage in Toronto. Bagging tracking stopped after my bag was unloaded in Toronto. My bag tag has been inactive since. I had over a 2 hour layover and there is no excuse for lost baggage with that time frame and only after one flight

My Flight from Toronto to San Francisco was really DELAYED for more than 3Hrs

We mist are connection do to a mist count we left 1 hour late so we had to rebook a flight and because of the mist count all are activity we’re all mist

Zero leg room, zero body room. I was placed in a CIA stress position for five hours and torture is against the Geneva convention.

Can provide some food as it’s a long flight

Book cheap flights from San Francisco to Ottawa

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from San Francisco to Ottawa found on KAYAK in the last 72 hours.
5/16Thu
1 stop
11h 39mSFO-YOW
$137
5/16Thu
1 stop
25h 56mSFO-YOW
$146
5/15Wed
1 stop
25h 56mSFO-YOW
$164
5/18Sat
1 stopAir Canada
10h 36mSFO-YOW
$220
5/20Mon
1 stopAir Canada
7h 55mSFO-YOW
$288
4/24Wed
1 stopUnited Airlines
13h 57mSFO-YOW
$299
4/26Fri
2 stopsUnited Airlines
12h 29mSFO-YOW
$304
5/23Thu
1 stopAir Canada
10h 51mSFO-YOW
$338
5/14Tue
1 stopUnited Airlines
13h 57mSFO-YOW
$364
4/22Mon
1 stopAir Canada
9h 41mSFO-YOW
$575

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Last minute flights from San Francisco to Ottawa

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from San Francisco to Ottawa that are departing in the next 10 days.
4/24Wed
multi-stop
20h 07mSFO-YOW
4/29Mon
multi-stop
27h 43mYOW-SFO
$593
4/24Wed
multi-stop
20h 07mSFO-YOW
4/29Mon
multi-stop
27h 43mYOW-SFO
$594
4/24Wed
multi-stop
13h 57mSFO-YOW
4/29Mon
multi-stop
8h 02mYOW-SFO
$638
4/24Wed
multi-stopUnited Airlines
13h 57mSFO-YOW
4/29Mon
multi-stopUnited Airlines
16h 50mYOW-SFO
$648
4/24Wed
multi-stopAir Canada
11h 26mSFO-YOW
5/4Sat
multi-stopAir Canada
10h 02mYOW-SFO
$658
4/24Wed
multi-stopUnited Airlines
13h 57mSFO-YOW
4/29Mon
multi-stopUnited Airlines
11h 01mYOW-SFO
$744
4/24Wed
multi-stop
14h 19mSFO-YOW
4/30Tue
multi-stop
9h 02mYOW-SFO
$794
4/24Wed
multi-stop
14h 19mSFO-YOW
4/28Sun
multi-stop
18h 52mYOW-SFO
$818
4/24Wed
multi-stop
14h 19mSFO-YOW
5/1Wed
multi-stop
9h 02mYOW-SFO
$821
4/24Wed
multi-stopDelta
13h 19mSFO-YOW
5/4Sat
multi-stopDelta
9h 02mYOW-SFO
$901

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San Francisco - Ottawa Flights

Departure:

San Francisco (SFO)United States

Destination:

Ottawa (YOW)Canada

Return flight deals:

Ottawa - San Francisco

Cabin classes:

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