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

Our cheapest airline available from San Francisco to Ottawa is WestJet. Our recent data shows that you can find tickets from as low as C$ 417 on this airline. Additional options worth looking into are Porter Airlines and Air Canada, starting at C$ 461 and C$ 499 round-trip. WestJet is 44% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from San Francisco to Ottawa one-way?

One-way options have recently been found by users for as low as C$ 228 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 229 and Porter Airlines from C$ 241 one-way.

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.

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 100% by booking at least 46 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$ 616.

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$ 757. Cheapflights users have found deals in the month of February for as cheap as C$ 404. The most expensive prices can be found in the month of April.

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$ 166+ Flights from San Francisco to Ottawa

Cheapflights Tip: The best prices from San Francisco to Ottawa are usually found in February or January, booked 83 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$ 395
One-way from	C$ 166
Popular in	April
Cheapest in	February
Average price	C$ 771

Air Canada
1/5-7/5
3 total stops
23h 07m total
San Francisco to Ottawa

Search Deals

22/4
1 total stop
24h 00m total
San Francisco to Ottawa

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 155 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 25 March 2025.

Thu 1/52:45 p.m.SFO - YOW

2 stops13h 00mMultiple Airlines

Wed 7/51:55 p.m.YOW - SFO

1 stop10h 07mMultiple Airlines

Deal found 23/3C$ 395

Thu 1/52:45 p.m.SFO - YOW

2 stops13h 00mWestJet

Wed 7/512:20 p.m.YOW - SFO

2 stops12h 05mWestJet

Deal found 23/3C$ 417

Mon 7/41:40 p.m.SFO - YOW

1 stop8h 00mPorter Airlines

Mon 21/46:15 a.m.YOW - SFO

1 stop9h 24mPorter Airlines

Deal found 23/3C$ 461

Wed 30/412:10 a.m.SFO - YOW

2 stops11h 54mAir Canada

Wed 7/59:55 p.m.YOW - SFO

1 stop14h 33mAir Canada

Deal found 23/3C$ 499

Mon 7/45:55 a.m.SFO - YOW

2 stops15h 14mDelta

Mon 21/45:55 a.m.YOW - SFO

2 stops16h 05mDelta

Deal found 23/3C$ 904

Tue 13/512:10 a.m.SFO - YOW

1 stop14h 23mUnited Airlines

Sat 24/55:15 a.m.YOW - SFO

2 stops15h 24mUnited Airlines

Deal found 24/3C$ 1,052

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 25 March 2025.

Thu 1/52:45 p.m.SFO - YOW

2 stops13h 00mMultiple Airlines

Wed 7/51:55 p.m.YOW - SFO

1 stop10h 07mMultiple Airlines

Deal found 23/3C$ 395

Thu 1/52:45 p.m.SFO - YOW

2 stops13h 00mWestJet

Wed 7/512:20 p.m.YOW - SFO

2 stops12h 05mWestJet

Deal found 23/3C$ 417

Mon 7/41:40 p.m.SFO - YOW

1 stop8h 00mPorter Airlines

Mon 21/46:15 a.m.YOW - SFO

1 stop9h 24mPorter Airlines

Deal found 23/3C$ 461

Wed 30/412:10 a.m.SFO - YOW

2 stops11h 54mAir Canada

Wed 7/59:55 p.m.YOW - SFO

1 stop14h 33mAir Canada

Deal found 23/3C$ 499

Mon 7/45:55 a.m.SFO - YOW

2 stops15h 14mDelta

Mon 21/45:55 a.m.YOW - SFO

2 stops16h 05mDelta

Deal found 23/3C$ 904

Tue 13/512:10 a.m.SFO - YOW

1 stop14h 23mUnited Airlines

Sat 24/55:15 a.m.YOW - SFO

2 stops15h 24mUnited Airlines

Deal found 24/3C$ 1,052

Last-minute flights from San Francisco to Ottawa
Discover last-minute flight deals from San Francisco to Ottawa. Data last updated 25 March 2025 and is based on user searches.

Tue 1/412:08 a.m.SFO - YOW

1 stop10h 56mUnited Airlines

Mon 7/47:29 p.m.YOW - SFO

2 stops15h 00mUnited Airlines

Deal found 23/3C$ 1,427

Wed 2/410:17 p.m.SFO - YOW

1 stop15h 55mMultiple Airlines

Mon 7/46:15 a.m.YOW - SFO

1 stop9h 24mMultiple Airlines

Deal found 23/3C$ 500

Mon 7/41:40 p.m.SFO - YOW

1 stop8h 00mPorter Airlines

Mon 21/46:15 a.m.YOW - SFO

1 stop9h 24mPorter Airlines

Deal found 23/3C$ 461

Mon 7/45:55 a.m.SFO - YOW

2 stops15h 14mDelta

Mon 21/45:55 a.m.YOW - SFO

2 stops16h 05mDelta

Deal found 23/3C$ 904

Thu 10/41:40 p.m.SFO - YOW

1 stop8h 00mMultiple Airlines

Sun 13/46:10 p.m.YOW - SFO

1 stop16h 35mMultiple Airlines

Deal found 23/3C$ 448

Thu 10/41:55 p.m.SFO - YOW

2 stops27h 52mWestJet

Sun 13/46:15 a.m.YOW - SFO

2 stops40h 43mWestJet

Deal found 23/3C$ 984

Wed 30/412:10 a.m.SFO - YOW

2 stops11h 54mAir Canada

Wed 7/59:55 p.m.YOW - SFO

1 stop14h 33mAir Canada

Deal found 23/3C$ 499

Wed 30/412:10 a.m.SFO - YOW

2 stops9h 59mUnited Airlines

Sun 4/56:30 a.m.YOW - SFO

1 stop9h 42mUnited Airlines

Deal found 23/3C$ 1,268

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 25 March 2025.

Tue 22/41:45 p.m.SFO - YOW

1 stop24h 00mMultiple Airlines

Deal found 23/3C$ 166

Thu 12/66:05 p.m.SFO - YOW

2 stops19h 15mWestJet

Deal found 23/3C$ 228

Sun 27/410:52 p.m.SFO - YOW

1 stop7h 22mAir Canada

Deal found 23/3C$ 229

Sun 13/41:40 p.m.SFO - YOW

1 stop8h 00mPorter Airlines

Deal found 23/3C$ 241

Sun 27/46:30 a.m.SFO - YOW

2 stops14h 52mDelta

Deal found 23/3C$ 328

Sat 10/512:10 a.m.SFO - YOW

1 stop10h 54mUnited Airlines

Deal found 24/3C$ 590

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

Thu 1/5

12:50 p.m.-12:41 a.m.

1 stop8h 51m

Ottawa

Wed 7/5

6:00 a.m.-11:30 a.m.

1 stop8h 30m

C$ 395

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 1/5

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

2 stops13h 00m

Ottawa

Wed 7/5

12:20 p.m.-9:25 p.m.

2 stops12h 05m

C$ 417

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 7/4

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

1 stop8h 00m

Ottawa

Mon 21/4

6:15 a.m.-12:39 p.m.

1 stop9h 24m

C$ 461

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 30/4

12:10 a.m.-3:04 p.m.

2 stops11h 54m

Ottawa

Wed 7/5

9:55 p.m.-9:28 a.m.

1 stop14h 33m

C$ 499

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 7/4

5:55 a.m.-12:09 a.m.

2 stops15h 14m

Ottawa

Mon 21/4

5:55 a.m.-7:00 p.m.

2 stops16h 05m

C$ 904

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 13/5

12:10 a.m.-5:33 p.m.

1 stop14h 23m

Ottawa

Sat 24/5

5:15 a.m.-5:39 p.m.

2 stops15h 24m

C$ 1,052

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 22/4

1:45 p.m.-4:45 p.m.

1 stop24h 00m

C$ 166

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 12/6

6:05 p.m.-4:20 p.m.

2 stops19h 15m

C$ 228

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 27/4

10:52 p.m.-9:14 a.m.

1 stop7h 22m

C$ 229

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 13/4

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

1 stop8h 00m

C$ 241

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/3

Showing 1-10 of 12 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

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 83 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.

Rainfall in Ottawa by month

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.

Temperature in Ottawa by month

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).

Reviews of airlines servicing Ottawa

Delta

8.0

Very good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,890 reviews

Delta

8.0

Very good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

7.9

Good

275 reviews

Delta

8.0

Very good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,605 reviews

Delta

8.0

Very good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.2

Good

2,785 reviews

Delta

8.0

Very good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

8,952 reviews

Delta

8.0

Very good

7,890 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from San Francisco to Ottawa round-trip?
Our cheapest airline available from San Francisco to Ottawa is WestJet. Our recent data shows that you can find tickets from as low as C$ 417 on this airline. Additional options worth looking into are Porter Airlines and Air Canada, starting at C$ 461 and C$ 499 round-trip. WestJet is 44% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from San Francisco to Ottawa one-way?
One-way options have recently been found by users for as low as C$ 228 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 229 and Porter Airlines from C$ 241 one-way.
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

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Brockville

Wakefield

Lanark

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Other flights to Ottawa

Top 2 airlines flying from San Francisco to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 418	AverageC$ 821	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 503	AverageC$ 714	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines 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$ 166

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 22/4. 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 January, booked 83 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 25 March 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 25 March 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?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Ottawa. Price data was last updated on 21 March 2025.

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?

Find hourly flight availability from San Francisco to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 25 March 2025.

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.

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

What are the cheapest airlines to fly from San Francisco to Ottawa one-way?

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 San Francisco?

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 25 March 2025.