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Cheap Flights from San Francisco International to Ottawa

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Compare San Francisco International to Ottawa flight deals

Find the cheapest month or even day of the year to fly to Ottawa

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Flight deals from San Francisco International to Ottawa

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Ottawa? Find the lowest prices on one-way and return tickets right here.
Ottawa.261 € per passenger.Departing Sat, 21 Jun, returning Wed, 25 Jun.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from San Francisco International on Sat, 21 Jun, arriving in Ottawa International.Inbound indirect flight with Porter Airlines, departs from Ottawa International on Wed, 25 Jun, arriving in San Francisco International.Price includes taxes and charges.From 261 €, select.
Ottawa.290 € per passenger.Departing Sat, 23 Aug, returning Sat, 30 Aug.Return flight with WestJet.Outbound indirect flight with WestJet, departs from San Francisco International on Sat, 23 Aug, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sat, 30 Aug, arriving in San Francisco International.Price includes taxes and charges.From 290 €, select.
Ottawa.301 € per passenger.Departing Sat, 23 Aug, returning Sun, 14 Sep.Return flight with WestJet.Outbound indirect flight with WestJet, departs from San Francisco International on Sat, 23 Aug, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sun, 14 Sep, arriving in San Francisco International.Price includes taxes and charges.From 301 €, select.
Ottawa.310 € per passenger.Departing Sun, 6 Jul, returning Sun, 13 Jul.Return flight with WestJet.Outbound indirect flight with WestJet, departs from San Francisco International on Sun, 6 Jul, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sun, 13 Jul, arriving in San Francisco International.Price includes taxes and charges.From 310 €, select.
Ottawa.311 € per passenger.Departing Tue, 29 Jul, returning Mon, 11 Aug.Return flight with WestJet.Outbound indirect flight with WestJet, departs from San Francisco International on Tue, 29 Jul, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Mon, 11 Aug, arriving in San Francisco International.Price includes taxes and charges.From 311 €, select.
Ottawa.342 € per passenger.Departing Mon, 30 Jun, returning Wed, 9 Jul.Return flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Mon, 30 Jun, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Wed, 9 Jul, arriving in San Francisco International.Price includes taxes and charges.From 342 €, select.
Ottawa.354 € per passenger.Departing Wed, 1 Oct, returning Sun, 5 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from San Francisco International on Wed, 1 Oct, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sun, 5 Oct, arriving in San Francisco International.Price includes taxes and charges.From 354 €, select.
Ottawa.373 € per passenger.Departing Sun, 7 Sep, returning Fri, 26 Sep.Return flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from San Francisco International on Sun, 7 Sep, arriving in Ottawa International.Inbound indirect flight with Porter Airlines, departs from Ottawa International on Fri, 26 Sep, arriving in San Francisco International.Price includes taxes and charges.From 373 €, select.

Find the cheapest month to fly from San Francisco International to Ottawa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Ottawa flights are currently cheapest in June.
May
from 962 €
Jun
from 261 €
Jul
from 310 €
Aug
from 290 €
Sep
from 373 €
Oct
from 354 €
Nov
Find prices
Dec
from 685 €
Jan
Find prices
Feb
Find prices
Mar
from 684 €
Apr
Find prices

Alternative San Francisco International to Ottawa routes

Looking for the cheapest, fastest or easiest route from San Francisco International to Ottawa? You could fly into the following airports instead.

San Francisco to Ottawa: Flight information

The things to know before you go.
Cheapest flight found261 €
Cheapest month to flyJune

Finding cheap flights from San Francisco International to Ottawa: Frequently asked questions

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
The best price we found for a return flight from San Francisco International to Ottawa is 261 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Francisco International to Ottawa. But we found flights with one or more stops from 261 €.
As of May 2025, there are no flights flying from San Francisco International to Ottawa.
The cheapest month to fly from San Francisco International to Ottawa is usually May 2025.
If you're flying from San Francisco International Airport, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the centre of Ottawa. We've found flights into this airport from 261 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Ottawa on Saturday, 21 June 2025.
No airlines currently offer direct flights between San Francisco International Airport and Ottawa. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ottawa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 12°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.
Currently, Porter Airlines offers the cheapest flight tickets to Ottawa.

Flying from San Francisco International Airport (SFO) to Ottawa: what you need to know

  • San Francisco International Airport is located in San Francisco. Following the UTC-4 timezone, Ottawa is three hours ahead of San Francisco.

  • For a relaxed start to your SFO to Ottawa flight, leave enough time to check in and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Longer lines at check-in and security are more likely if you're heading away during high season, so give yourself a little extra breathing room. A good rule of thumb for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • Stopovers are the perfect opportunity to break up your trip and maybe even visit a new city. When searching for plane tickets from SFO to Ottawa, uncheck the 'Direct flights only' box to see where you can stop along the way. Top options include:

    • Pearson International Airport (YYZ)

    • Washington Dulles International Airport (IAD)

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • SFO is around 18 kilometres from central San Francisco. If you're catching a cab, driving or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be around 45 minutes.

  • Want a relaxed start to your travels? Stay near SFO. Whether you have an early flight from San Francisco International Airport to Ottawa or just don't like being rushed, these hotels put convenience first:

  • When it comes to the on-time performance of San Francisco International Airport, data shows 77.36% of flights arrive within the expected time frame.

How to find the cheapest flights from San Francisco International Airport (SFO) to Ottawa

  • 109 € is the lowest price we've found for a one-way San Francisco International Airport to Ottawa flight. A return ticket right now is 261 €. Depending on the availability when you book, these fares could change.

  • To pick up cheap flights from SFO to Ottawa, book as early as possible. Airlines generally offer lower fares when flights are first released.

  • The 'Whole month' search tool will show you the cheapest tickets from San Francisco International Airport to Ottawa across each month. It's a great way to find a bargain if your travel plans are flexible.

  • Never miss a deal on cheap flights from SFO to Ottawa by creating a Price Alert. You'll get an email or notification through the app when fares go down.

  • Select your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from San Francisco International Airport to Ottawa by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Ottawa

Ottawa Gatineau Airport (YND)

  • Ottawa Gatineau Airport (YND) is around 24 kilometres from central Ottawa. If you're opting for a ride-share or a cab, the drive takes roughly 20 minutes.

  • When travelling on public transport, expect a journey time of about 1 hour 40 minutes.

  • Arriving on a late flight from San Francisco International Airport to Ottawa? Pick up your bags and head straight to the convenience of a nearby hotel. Two options close to YND are Meilleure Auberge and Lovely Room 4mins From Gatineau-Ottawa Airport.

  • Start your adventure the moment you land with an Ottawa Gatineau Airport rental car. Book your wheels from Hertz to explore parts of Ottawa that most tourists miss.

  • To secure the best deal, reserve your vehicle from Ottawa Gatineau Airport a few weeks ahead of your flight from SFO to Ottawa. Prices typically go up closer to your date of travel.

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Ottawa/Macdonald-Cartier International Airport (YOW) is roughly 13 kilometres from the centre of Ottawa. After your flight from San Francisco International Airport to Ottawa, it'll take you around 20 minutes to reach the heart of the city in a ride-share or cab.

  • If you choose to travel on public transport, you'll get to the city centre in 45 minutes or so.

  • You'll find some great places to call home for the night near YOW. Tuck yourself in and get cosy after your SFO to Ottawa flight at one of these well-located options:

  • Forget about inconvenient public transport timetables or waiting in a long cab line. Grab an Ottawa/Macdonald-Cartier International Airport rental car and blaze your own trail. Check out the rates and availability from Routes Car Rentals, Alamo and Budget.

  • Score the best price by booking your ride from YOW two weeks in advance. You'll also have access to a wider selection of vehicles.

  • You can find Ottawa/Macdonald-Cartier International Airport at 50 Airport Road.

Best time to go to Ottawa

  • Before you book your flights from San Francisco International Airport to Ottawa, consider which time of year is best for you. High season in Ottawa offers a lively atmosphere and plenty of things to do, while the off-season means you'll get better hotel deals and fewer crowds.

  • Lock in a San Francisco International Airport to Ottawa plane ticket with a departure in July if you want to experience the city during its warmest month. Expect temperatures to range from 13ºC (55ºF) to 27ºC (81ºF).

  • January sees average temperatures of between -19ºC (-2ºF) and -2ºC (28ºF). Search for a cheap ticket from SFO to Ottawa around that time if you'd rather travel in cooler conditions.

More about Ottawa

  • Start your Ottawa trip off on the right foot by choosing the perfect place to stay. After booking your flight from San Francisco International Airport to Ottawa, browse our selection of accommodation options including:

  • All great adventures should include some sightseeing. Rideau Canal, Parliament Hill and National Gallery of Canada are must-do's during your Ottawa adventure.

Explore more of Canada

  • You've seen Ottawa, now it's time to discover other parts of Canada. Journey around 354 kilometres south-west to Toronto to check off its leading sights. From CN Tower to Royal Ontario Museum and Go Tours Canada - Distillery District, your itinerary will be busy.

  • Montreal is another must-experience destination in Canada and is around 153 kilometres east of Ottawa. No trip is complete without seeing Mount Royal Park, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.

Plan the rest of your trip from San Francisco to Ottawa

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.