$155 Find Cheap Flights from San Francisco to Ottawa - Compare and Save

In the last 5 days, the lowest price for a flight from San Francisco to Ottawa was $155 for a one-way ticket and $359 for a round-trip.

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

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

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

Star Alliance is the only airline alliance operating flights between San Francisco and Ottawa.

The two airlines most popular with KAYAK users for flights from San Francisco to Ottawa are Porter Airlines and United Airlines. With an average price for the route of $545 and an overall rating of 8.0, Porter Airlines is the most popular choice. United Airlines is also a great choice for the route, with an average price of $851 and an overall rating of 7.4.

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.

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.

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.

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.