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$ 394 on this airline. Additional options worth looking into are Delta and Air Canada, starting at C$ 725 and C$ 926 round-trip. WestJet is 42% 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.

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 101% by booking at least 38 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$ 555.

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$ 690. Cheapflights users have found deals in the month of February for as cheap as C$ 390. The most expensive prices can be found in the month of June.

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$ 201+ Flights from San Francisco to Ottawa - Compare & Save Big

Cheapflights Tip: The best prices from San Francisco to Ottawa are usually found in February or January, booked 88 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$ 394
One-way from	C$ 201
Popular in	June
Cheapest in	February
Average price	C$ 772

WestJet
3/8-6/8
2 total stops
20h 54m total
San Francisco to Ottawa

Search Deals

17/5
1 total stop
26h 52m total
San Francisco to Ottawa

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 114 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 29 April 2025.

Sun 3/86:05 p.m.SFO - YOW

1 stop9h 40mWestJet

Wed 6/85:45 a.m.YOW - SFO

1 stop11h 14mWestJet

Deal found 28/4C$ 394

Fri 13/65:45 a.m.SFO - YOW

1 stop11h 10mMultiple Airlines

Mon 16/66:00 a.m.YOW - SFO

1 stop9h 05mMultiple Airlines

Deal found 27/4C$ 430

Wed 24/912:50 p.m.SFO - YOW

1 stop8h 50mDelta

Sat 27/96:00 a.m.YOW - SFO

1 stop8h 54mDelta

Deal found 28/4C$ 725

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

2 stops17h 09mUnited Airlines

Wed 28/56:40 a.m.YOW - SFO

2 stops13h 59mUnited Airlines

Deal found 28/4C$ 922

Fri 16/58:29 a.m.SFO - YOW

1 stop7h 57mAir Canada

Tue 20/59:55 p.m.YOW - SFO

1 stop14h 33mAir Canada

Deal found 28/4C$ 926

Mon 15/121:30 p.m.SFO - YOW

1 stop8h 12mPorter Airlines

Sat 27/126:25 a.m.YOW - SFO

1 stop8h 59mPorter Airlines

Deal found 28/4C$ 1,093

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 29 April 2025.

Sun 3/86:05 p.m.SFO - YOW

1 stop9h 40mWestJet

Wed 6/85:45 a.m.YOW - SFO

1 stop11h 14mWestJet

Deal found 28/4C$ 394

Fri 13/65:45 a.m.SFO - YOW

1 stop11h 10mMultiple Airlines

Mon 16/66:00 a.m.YOW - SFO

1 stop9h 05mMultiple Airlines

Deal found 27/4C$ 430

Wed 24/912:50 p.m.SFO - YOW

1 stop8h 50mDelta

Sat 27/96:00 a.m.YOW - SFO

1 stop8h 54mDelta

Deal found 28/4C$ 725

Fri 16/58:29 a.m.SFO - YOW

1 stop7h 57mAir Canada

Tue 20/59:55 p.m.YOW - SFO

1 stop14h 33mAir Canada

Deal found 28/4C$ 926

Sat 2/812:20 a.m.SFO - YOW

1 stop11h 07mUnited Airlines

Wed 6/85:15 a.m.YOW - SFO

2 stops17h 09mUnited Airlines

Deal found 28/4C$ 952

Last-minute flights from San Francisco to Ottawa
Discover last-minute flight deals from San Francisco to Ottawa. Data last updated 29 April 2025 and is based on user searches.

Mon 5/51:30 p.m.SFO - YOW

1 stop7h 51mPorter Airlines

Thu 8/57:00 a.m.YOW - SFO

1 stop8h 30mPorter Airlines

Deal found 29/4C$ 1,347

Mon 5/52:45 p.m.SFO - YOW

2 stops30h 37mWestJet

Thu 8/56:00 a.m.YOW - SFO

1 stop9h 05mWestJet

Deal found 29/4C$ 1,356

Wed 7/56:00 a.m.SFO - YOW

1 stop30h 11mMultiple Airlines

Wed 28/511:20 a.m.YOW - SFO

2 stops33h 33mMultiple Airlines

Deal found 28/4C$ 601

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

2 stops17h 09mUnited Airlines

Wed 28/56:40 a.m.YOW - SFO

2 stops13h 59mUnited Airlines

Deal found 28/4C$ 922

Fri 16/58:29 a.m.SFO - YOW

1 stop7h 57mAir Canada

Tue 20/59:55 p.m.YOW - SFO

1 stop14h 33mAir Canada

Deal found 28/4C$ 926

Tue 20/56:00 a.m.SFO - YOW

2 stops15h 22mDelta

Sun 25/56:10 a.m.YOW - SFO

2 stops12h 45mDelta

Deal found 28/4C$ 1,168

Sat 24/56:39 p.m.SFO - YOW

1 stop22h 16mMultiple Airlines

Mon 2/611:20 a.m.YOW - SFO

2 stops13h 01mMultiple Airlines

Deal found 27/4C$ 444

Tue 27/52:45 p.m.SFO - YOW

2 stops13h 00mWestJet

Tue 3/63:35 p.m.YOW - SFO

1 stop8h 50mWestJet

Deal found 28/4C$ 414

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 29 April 2025.

Sat 17/52:03 p.m.SFO - YOW

1 stop26h 52mMultiple Airlines

Deal found 29/4C$ 201

Fri 25/73:40 p.m.SFO - YOW

1 stop10h 45mWestJet

Deal found 28/4C$ 215

Thu 24/712:20 a.m.SFO - YOW

1 stop10h 53mUnited Airlines

Deal found 28/4C$ 601

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

Sun 3/8

6:05 p.m.-6:45 a.m.

1 stop9h 40m

Ottawa

Wed 6/8

5:45 a.m.-1:59 p.m.

1 stop11h 14m

C$ 394

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 13/6

5:45 a.m.-7:55 p.m.

1 stop11h 10m

Ottawa

Mon 16/6

6:00 a.m.-12:05 p.m.

1 stop9h 05m

C$ 430

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 24/9

12:50 p.m.-12:40 a.m.

1 stop8h 50m

Ottawa

Sat 27/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 725

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 16/5

8:29 a.m.-7:26 p.m.

1 stop7h 57m

Ottawa

Tue 20/5

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

1 stop14h 33m

C$ 926

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 2/8

12:20 a.m.-2:27 p.m.

1 stop11h 07m

Ottawa

Wed 6/8

5:15 a.m.-7:24 p.m.

2 stops17h 09m

C$ 952

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 17/5

2:03 p.m.-7:55 p.m.

1 stop26h 52m

C$ 201

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 25/7

3:40 p.m.-5:25 a.m.

1 stop10h 45m

C$ 215

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 24/7

12:20 a.m.-2:13 p.m.

1 stop10h 53m

C$ 601

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

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 88 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

To help decide which airline to fly from San Francisco to Ottawa, see what other customers have to say about Delta, United Airlines and WestJet. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 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

7,929 reviews

Delta

8.0

Very good

7,929 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

8,696 reviews

Delta

8.0

Very good

7,929 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

2,823 reviews

Delta

8.0

Very good

7,929 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

9,244 reviews

Delta

8.0

Very good

7,929 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$ 394 on this airline. Additional options worth looking into are Delta and Air Canada, starting at C$ 725 and C$ 926 round-trip. WestJet is 42% 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

Perth

Smiths Falls

Prescott

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$ 323	AverageC$ 725	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 408	AverageC$ 690	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$ 201

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 17/5. 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 88 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 29 April 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 29 April 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 25 April 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 29 April 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 29 April 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?

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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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 29 April 2025.