Cheap flights from Ottawa to San Francisco from $145
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to San Francisco departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Air Canada flights from Ottawa to San Francisco
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How to get the cheapest flight ticket from Ottawa to San Francisco
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Francisco?
If you aren’t able to travel to San Francisco during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $319.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Ottawa to San Francisco is on a Thursday when prices can be found for as low as $458. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $645.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Ottawa to San Francisco flights are usually those with departure times in the afternoon. Our users have found flights to San Francisco in the afternoon for as low as $463. Flights in the morning are often more expensive with an average ticket price of $536.
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Ottawa when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $378 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Ottawa for as low as $309 on momondo.
What is the cheapest airline that flies from Ottawa to San Francisco?
WestJet, Porter Airlines, and Air Canada are the most popular carriers operating from Ottawa to San Francisco
What airlines fly to San Francisco?
Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to San Francisco from Ottawa according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 5 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
When to book flights from Ottawa to San Francisco
Cheap Ottawa to San Francisco (YOW to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ottawa to San Francisco
How far is Ottawa to San Francisco by plane?
There are 2433.0 mi between Ottawa and San Francisco. Flights usually cover this in 8h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ottawa Airport to San Francisco Airport?
Prices for flights from Ottawa Airport to San Francisco Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ottawa Airport to San Francisco Airport?
As of June 2025, there are 4 operators available to choose from for flights from Ottawa Airport to San Francisco Airport.
How old do you have to be to fly from Ottawa Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ottawa to San Francisco?
Based on momondo bookings for flights between Ottawa and San Francisco, the leading airline is Porter Airlines, making up 38% of the total bookings. Other popular airlines include Air Canada with 35%, WestJet with 15%, and United Airlines with 13%.
Best airlines flying from Ottawa to San Francisco
Compare and see reviews for airlines that fly from Ottawa to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $241 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $259 | Free Cancellation | Rating 8.0 288 reviews | |||
| PriceFrom $262 | Free Cancellation | Rating 7.2 2,868 reviews | |||
| PriceFrom $277 | Free Cancellation | Rating 7.1 9,531 reviews |
Traveling to a place near San Francisco?
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Why should I use momondo to find a flight deal from Ottawa to San Francisco?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to San Francisco. momondo saves you time and could save you money on your trip.
Can I find flights from Ottawa to San Francisco with flexible booking policies on momondo?
Yes. All flights to San Francisco from Ottawa on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ottawa to San Francisco?
momondo provides multiple filters to help you find the best flight to San Francisco from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ottawa to San Francisco right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ottawa to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.