Which airport typically offers the quickest layover for flights from San Francisco to Ottawa?

Flights via Montreal (YUL) offer the fastest connection on this route, with an average layover time of 1h 17m.

What’s the top layover airport for flights from San Francisco to Ottawa?

Toronto (YYZ) – chosen by Cheapflights users on 62% of one-stop itineraries from San Francisco to Ottawa on Cheapflights.

What’s the cheapest layover airport for flights from San Francisco to Ottawa?

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 545.

What’s the fastest layover option from San Francisco to Ottawa?

Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 7h 24m.

How long is the flight from San Francisco to Ottawa?

Airlines like WestJet fly from San Francisco to Ottawa in about 29h 49m. The time it takes to get you to your destination can typically vary by up to . The distance between San Francisco and Ottawa is about 3925 km.

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

Our cheapest airline available from San Francisco to Ottawa is Porter Airlines. Our recent data shows that you can find tickets from as low as C$ 197 on this airline. An additional option worth looking into is Air Canada, starting at C$ 323. Porter Airlines is 68% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

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

Saturday flights are generally found to be more expensive for flights from San Francisco to Ottawa. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ottawa.

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

Find a great deal and save up to 265% by booking at least 56 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Francisco to Ottawa within the next two weeks, with the cheapest ticket starting at C$ 531.

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

February can be a great time to fly to Ottawa from San Francisco with a flight ticket averaging about C$ 626. Cheapflights users have found deals in the month of February for as cheap as C$ 391. The most expensive prices can be found in the month of July.

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.

C$ 173+ Flights from San Francisco to Ottawa

Cheapflights Tip: The best prices from San Francisco to Ottawa are usually found in February or June, booked 55 days in advance, depart on a Friday or Monday and return on a Thursday

Cheap flight deals from San Francisco to Ottawa

Round-trip from	C$ 380
One-way from	C$ 173
Popular in	July
Cheapest in	February
Average price	C$ 615

WestJet
2/11-4/11
3 total stops
35h 33m total
San Francisco to Ottawa

Search Deals

15/10
2 total stops
11h 25m total
San Francisco to Ottawa

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (C$ 140 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 11 September 2025.

Tue 7/1012:50 p.m.SFO - YOW

2 stops24h 29mWestJet

Tue 14/105:15 p.m.YOW - SFO

2 stops21h 39mWestJet

Deal found 9/9C$ 369

Wed 22/1012:50 p.m.SFO - YOW

2 stops24h 29mWestJet

Mon 3/117:15 p.m.YOW - SFO

2 stops19h 57mWestJet

Deal found 9/9C$ 370

Fri 3/1012:50 p.m.SFO - YOW

1 stop8h 50mWestJet

Sun 5/105:15 p.m.YOW - SFO

2 stops21h 39mWestJet

Deal found 9/9C$ 376

Thu 30/101:00 p.m.SFO - YOW

1 stop8h 40mWestJet

Sun 2/115:00 a.m.YOW - SFO

1 stop9h 12mWestJet

Deal found 9/9C$ 395

Sun 2/111:00 p.m.SFO - YOW

1 stop8h 40mWestJet

Tue 4/116:00 a.m.YOW - SFO

1 stop9h 12mWestJet

Deal found 9/9C$ 396

Thu 30/101:00 p.m.SFO - YOW

1 stop8h 40mWestJet

Fri 31/106:00 a.m.YOW - SFO

1 stop9h 12mWestJet

Deal found 9/9C$ 398

Wed 1/1010:15 a.m.SFO - YOW

1 stop25h 29mMultiple Airlines

Sat 4/106:30 p.m.YOW - SFO

2 stops20h 24mMultiple Airlines

Deal found 8/9C$ 405

Best flights from San Francisco to Ottawa
Discover carefully curated flight deals from San Francisco to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.

Mon 20/107:30 a.m.SFO - YOW

2 stops29h 49mWestJet

Wed 22/105:15 p.m.YOW - SFO

2 stops31h 09mWestJet

Deal found 10/9C$ 428

Sat 1/1110:15 a.m.SFO - YOW

2 stops25h 46mMultiple Airlines

Tue 4/116:00 a.m.YOW - SFO

1 stop9h 12mMultiple Airlines

Deal found 9/9C$ 443

Fri 17/107:30 a.m.SFO - YOW

2 stops13h 52mWestJet

Tue 21/105:15 p.m.YOW - SFO

2 stops21h 39mWestJet

Deal found 10/9C$ 439

Thu 6/1110:15 a.m.SFO - YOW

1 stop25h 29mMultiple Airlines

Thu 13/116:00 a.m.YOW - SFO

1 stop9h 12mMultiple Airlines

Deal found 11/9C$ 459

Thu 6/111:00 p.m.SFO - YOW

2 stops26h 21mWestJet

Thu 13/116:00 a.m.YOW - SFO

1 stop9h 12mWestJet

Deal found 11/9C$ 474

Fri 17/107:30 a.m.SFO - YOW

2 stops13h 52mWestJet

Sun 19/105:55 a.m.YOW - SFO

2 stops18h 29mWestJet

Deal found 10/9C$ 478

Thu 13/111:00 p.m.SFO - YOW

1 stop8h 40mMultiple Airlines

Mon 17/116:45 a.m.YOW - SFO

1 stop8h 55mMultiple Airlines

Deal found 11/9C$ 532

Fri 10/102:45 p.m.SFO - YOW

2 stops30h 55mMultiple Airlines

Fri 17/107:00 a.m.YOW - SFO

1 stop8h 23mMultiple Airlines

Deal found 10/9C$ 532

Fri 10/102:45 p.m.SFO - YOW

2 stops30h 55mWestJet

Fri 17/105:15 p.m.YOW - SFO

2 stops21h 39mWestJet

Deal found 10/9C$ 495

Tue 30/97:30 a.m.SFO - YOW

2 stops29h 49mWestJet

Sat 4/105:55 a.m.YOW - SFO

2 stops32h 59mWestJet

Deal found 10/9C$ 507

Mon 22/92:45 p.m.SFO - YOW

2 stops24h 35mWestJet

Tue 7/103:35 p.m.YOW - SFO

1 stop8h 49mWestJet

Deal found 10/9C$ 514

Last-minute flights from San Francisco to Ottawa
Discover last-minute flight deals from San Francisco to Ottawa. Data last updated 11 September 2025 and is based on user searches.

Fri 17/107:30 a.m.SFO - YOW

2 stops13h 52mWestJet

Tue 21/106:00 a.m.YOW - SFO

1 stop8h 54mWestJet

Deal found 11/9C$ 432

Fri 17/107:30 a.m.SFO - YOW

2 stops13h 52mWestJet

Fri 24/1012:20 p.m.YOW - SFO

2 stops12h 04mWestJet

Deal found 10/9C$ 438

Fri 17/107:30 a.m.SFO - YOW

2 stops13h 52mMultiple Airlines

Sun 19/107:00 a.m.YOW - SFO

1 stop8h 23mMultiple Airlines

Deal found 10/9C$ 475

Fri 17/107:30 a.m.SFO - YOW

2 stops13h 52mWestJet

Sun 19/105:55 a.m.YOW - SFO

2 stops18h 29mWestJet

Deal found 10/9C$ 478

Mon 20/107:30 a.m.SFO - YOW

2 stops29h 49mWestJet

Wed 22/105:15 p.m.YOW - SFO

2 stops31h 09mWestJet

Deal found 10/9C$ 428

One-way flights from San Francisco to Ottawa
Search for one-way flight options from San Francisco to Ottawa. Find affordable one-way fares based on user searches. Data last updated 11 September 2025.

Wed 15/1010:15 a.m.SFO - YOW

2 stops11h 25mMultiple Airlines

Deal found 10/9C$ 173

Tue 14/1012:50 p.m.SFO - YOW

2 stops24h 29mWestJet

Deal found 11/9C$ 195

Tue 14/1010:15 a.m.SFO - YOW

3 stops35h 07mMultiple Airlines

Deal found 11/9C$ 198

Mon 13/102:45 p.m.SFO - YOW

3 stops46h 34mWestJet

Deal found 11/9C$ 215

Mon 13/102:45 p.m.SFO - YOW

2 stops43h 18mMultiple Airlines

Deal found 11/9C$ 231

Mon 10/1110:07 p.m.SFO - YOW

2 stops23h 35mMultiple Airlines

Deal found 11/9C$ 234

Tue 23/910:15 a.m.SFO - YOW

2 stops17h 30mMultiple Airlines

Deal found 10/9C$ 244

Sat 13/124:36 p.m.SFO - YOW

2 stops21h 53mMultiple Airlines

Deal found 11/9C$ 249

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 20/10

7:30 a.m.-4:19 p.m.

2 stops29h 49m

Ottawa

Wed 22/10

5:15 p.m.-9:24 p.m.

2 stops31h 09m

C$ 428

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 17/10

7:30 a.m.-12:22 a.m.

2 stops13h 52m

Ottawa

Tue 21/10

5:15 p.m.-11:54 a.m.

2 stops21h 39m

C$ 439

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 1/11

10:15 a.m.-3:01 p.m.

2 stops25h 46m

Ottawa

Tue 4/11

6:00 a.m.-12:12 p.m.

1 stop9h 12m

C$ 443

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 6/11

10:15 a.m.-2:44 p.m.

1 stop25h 29m

Ottawa

Thu 13/11

6:00 a.m.-12:12 p.m.

1 stop9h 12m

C$ 459

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 6/11

1:00 p.m.-6:21 p.m.

2 stops26h 21m

Ottawa

Thu 13/11

6:00 a.m.-12:12 p.m.

1 stop9h 12m

C$ 474

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 17/10

7:30 a.m.-12:22 a.m.

2 stops13h 52m

Ottawa

Sun 19/10

5:55 a.m.-9:24 p.m.

2 stops18h 29m

C$ 478

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 10/10

2:45 p.m.-12:40 a.m.

2 stops30h 55m

Ottawa

Fri 17/10

5:15 p.m.-11:54 a.m.

2 stops21h 39m

C$ 495

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 30/9

7:30 a.m.-4:19 p.m.

2 stops29h 49m

Ottawa

Sat 4/10

5:55 a.m.-11:54 a.m.

2 stops32h 59m

C$ 507

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 22/9

2:45 p.m.-6:20 p.m.

2 stops24h 35m

Ottawa

Tue 7/10

3:35 p.m.-9:24 p.m.

1 stop8h 49m

C$ 514

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 13/11

1:00 p.m.-12:40 a.m.

1 stop8h 40m

Ottawa

Mon 17/11

6:45 a.m.-12:40 p.m.

1 stop8h 55m

C$ 532

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 19 results

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

Prices

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

To ensure you get the cheapest price possible for a flight from San Francisco to Ottawa, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Francisco to Ottawa?

Currently, October is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of C$ 224). Flying from San Francisco to Ottawa in December is currently the most expensive (average of C$ 326). 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?

A simple way to save on the total cost of your ticket is to fly from San Francisco to Ottawa in the afternoon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Ottawa

See what other customers who have flown with Porter Airlines and Air Canada from San Francisco to Ottawa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Porter Airlines

7.9

Good

363 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Canada

7.1

Good

10,000 reviews

Porter Airlines

7.9

Good

363 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Related info for your journey

How long is the flight from San Francisco to Ottawa?
Airlines like WestJet fly from San Francisco to Ottawa in about 29h 49m. The time it takes to get you to your destination can typically vary by up to . The distance between San Francisco and Ottawa is about 3925 km.
What are the cheapest airlines flying from San Francisco to Ottawa round-trip?
Our cheapest airline available from San Francisco to Ottawa is Porter Airlines. Our recent data shows that you can find tickets from as low as C$ 197 on this airline. An additional option worth looking into is Air Canada, starting at C$ 323. Porter Airlines is 68% cheaper than the average price of flights available within the next 90 days to this destination.
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, October is the cheapest month in which you can book a flight from San Francisco to Ottawa (average of C$ 224). Flying from San Francisco to Ottawa in December is currently the most expensive (average of C$ 326). 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

Gatineau

Brockville

Smiths Falls

Perth

Prescott

Pembroke

Wakefield

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Other flights to Ottawa

Top 2 airlines flying from San Francisco to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 197	AverageC$ 528	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 323	AverageC$ 683	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from San Francisco to Ottawa?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Ottawa?

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to Ottawa for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Francisco to Ottawa with no change fees?

Yes, we can. To see specific flights from San Francisco to Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Francisco to Ottawa become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ottawa from San Francisco today and book when prices fit your budget.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from San Francisco to Ottawa from C$ 173

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Francisco to Ottawa are usually found in February or June, booked 55 days in advance, depart on a Friday or Monday and return on a Thursday

Cheap flight deals from San Francisco to Ottawa

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco to Ottawa

Cheapest flights from San Francisco to OttawaExplore 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 11 September 2025.

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 11 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Ottawa that are best for you.

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.

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?

What is the cheapest month to book a flight from San Francisco to Ottawa?

What is the cheapest time of day to fly from SFO to YOW?

What’s the top layover airport for flights from San Francisco to Ottawa?

What’s the fastest layover option from San Francisco to Ottawa?

What’s the fastest layover option from San Francisco to Ottawa?

Which airport typically offers the quickest layover for flights from San Francisco to Ottawa?

Reviews of airlines servicing Ottawa

See what other customers who have flown with Porter Airlines and Air Canada from San Francisco to Ottawa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

How long is the flight from San Francisco to Ottawa?

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

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

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

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

What is the cheapest month to book a flight from San Francisco to Ottawa?

Travelling to a place near Ottawa?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from San Francisco to Ottawa

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Ottawa?

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Ottawa?

Can Cheapflights find flights from San Francisco to Ottawa with no change fees?

Can Cheapflights notify me if prices for flights from San Francisco to Ottawa become cheaper?

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Travel Smart

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 11 September 2025.