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Cheap flights from Ottawa to San Francisco from $194

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
7:00 am - 12:47 pmYOW  Ottawa-SFO San Francisco
8h 47m1 stop Toronto Pearson Intl
Porter Airlines Logo
1:45 pm - 12:41 amSFO  San Francisco-YOW Ottawa
7h 56m1 stop Toronto Pearson Intl
$373Porter Airlines
Thu, Dec 3 - Tue, Dec 8
Porter Airlines Logo
7:00 am - 12:44 pmYOW  Ottawa-SFO San Francisco
8h 44m1 stop Toronto Pearson Intl
Porter Airlines Logo
1:45 pm - 12:41 amSFO  San Francisco-YOW Ottawa
7h 56m1 stop Toronto Pearson Intl
$384Porter Airlines
Thu, Nov 26 - Tue, Dec 8
Porter Airlines Logo
7:00 am - 12:50 pmYOW  Ottawa-SFO San Francisco
8h 50m1 stop Toronto Pearson Intl
Porter Airlines Logo
1:45 pm - 12:37 amSFO  San Francisco-YOW Ottawa
7h 52m1 stop Toronto Pearson Intl
$385Porter Airlines
Wed, Mar 31 - Sat, Apr 17
Air Transat Logo
7:00 am - 12:50 pmYOW  Ottawa-SFO San Francisco
8h 50m1 stop Toronto Pearson Intl
Air Transat Logo
1:45 pm - 12:41 amSFO  San Francisco-YOW Ottawa
7h 56m1 stop Toronto Pearson Intl
$417Air Transat
Sat, Mar 20 - Thu, Mar 25
WestJet Logo
5:30 am - 4:50 pmYOW  Ottawa-SFO San Francisco
14h 20m2 stops Toronto Pearson Intl Calgary
WestJet Logo
5:40 pm - 3:30 pmSFO  San Francisco-YOW Ottawa
18h 50m1 stop Calgary
$421WestJet
Thu, Mar 18 - Mon, Mar 22
WestJet Logo
5:30 am - 3:50 pmYOW  Ottawa-SFO San Francisco
13h 20m2 stops Toronto Pearson Intl Calgary
WestJet Logo
4:40 pm - 11:40 pmSFO  San Francisco-YOW Ottawa
28h 00m1 stop Calgary
$421WestJet
Thu, Feb 4 - Sun, Feb 28
Air Transat Logo
7:00 am - 12:49 pmYOW  Ottawa-SFO San Francisco
8h 49m1 stop Toronto Pearson Intl
Air Transat Logo
1:45 pm - 12:37 amSFO  San Francisco-YOW Ottawa
7h 52m1 stop Toronto Pearson Intl
$431Air Transat
Thu, Apr 1 - Thu, Apr 15
Air Transat Logo
7:00 am - 12:50 pmYOW  Ottawa-SFO San Francisco
8h 50m1 stop Toronto Pearson Intl
Air Transat Logo
1:45 pm - 12:37 amSFO  San Francisco-YOW Ottawa
7h 52m1 stop Toronto Pearson Intl
$431Air Transat
Sun, Mar 28 - Thu, Apr 15
Air Canada Logo
7:45 am - 1:47 pmYOW  Ottawa-SFO San Francisco
9h 02m1 stop Vancouver Intl
Air Canada Logo
2:00 pm - 1:36 amSFO  San Francisco-YOW Ottawa
8h 36m1 stop Toronto Pearson Intl
$648Air Canada
Wed, Mar 31 - Sat, Apr 17
Air Canada Logo
7:45 am - 4:06 pmYOW  Ottawa-SFO San Francisco
11h 21m1 stop Vancouver Intl
Air Canada Logo
11:25 am - 12:56 amSFO  San Francisco-YOW Ottawa
10h 31m1 stop Vancouver Intl
$666Air Canada
Wed, Dec 9 - Wed, Jan 13

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WestJet flights from Ottawa to San Francisco

Our best WestJet deals on Ottawa to San Francisco flight tickets
WestJet
Mar 18
YOW5:30 amOttawa
14h 20m
2 stops
SFO4:50 pmSan Francisco
Mar 25
SFO5:40 pmSan Francisco
28h 00m
1 stop
YOW12:40 amOttawa
$421
WestJet
Mar 18
YOW5:30 amOttawa
14h 20m
2 stops
SFO4:50 pmSan Francisco
Mar 22
SFO5:40 pmSan Francisco
27h 00m
2 stops
YOW11:40 pmOttawa
$424
WestJet
Feb 4
YOW5:30 amOttawa
13h 20m
2 stops
SFO3:50 pmSan Francisco
Feb 21
SFO4:40 pmSan Francisco
28h 00m
1 stop
YOW11:40 pmOttawa
$426

Porter Airlines flights from Ottawa to San Francisco

Our best Porter Airlines deals on Ottawa to San Francisco flight tickets
Porter Airlines
Dec 3
YOW7:00 amOttawa
8h 47m
1 stop
SFO12:47 pmSan Francisco
Dec 8
SFO1:45 pmSan Francisco
7h 56m
1 stop
YOW12:41 amOttawa
$373
Porter Airlines
Nov 26
YOW7:00 amOttawa
8h 44m
1 stop
SFO12:44 pmSan Francisco
Dec 8
SFO1:45 pmSan Francisco
7h 56m
1 stop
YOW12:41 amOttawa
$384
Porter Airlines
Mar 31
YOW7:00 amOttawa
8h 50m
1 stop
SFO12:50 pmSan Francisco
Apr 17
SFO1:45 pmSan Francisco
7h 52m
1 stop
YOW12:37 amOttawa
$385

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 12/3

7:00 am-12:47 pm

1 stop8h 47m

San Francisco

Tue 12/8

1:45 pm-12:41 am

1 stop7h 56m

$373
Quickest round-trip

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 11/26

7:00 am-12:44 pm

1 stop8h 44m

San Francisco

Tue 12/8

1:45 pm-12:41 am

1 stop7h 56m

$384

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Wed 3/31

7:00 am-12:50 pm

1 stop8h 50m

San Francisco

Sat 4/17

1:45 pm-12:37 am

1 stop7h 52m

$385

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Sat 3/20

7:00 am-12:50 pm

1 stop8h 50m

San Francisco

Thu 3/25

1:45 pm-12:41 am

1 stop7h 56m

$417

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 3/18

5:30 am-4:50 pm

2 stops14h 20m

San Francisco

Mon 3/22

5:40 pm-3:30 pm

1 stop18h 50m

$421

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 2/4

5:30 am-3:50 pm

2 stops13h 20m

San Francisco

Sun 2/28

4:40 pm-11:40 pm

1 stop28h 00m

$421

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 4/1

7:00 am-12:49 pm

1 stop8h 49m

San Francisco

Thu 4/15

1:45 pm-12:37 am

1 stop7h 52m

$431

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Sun 3/28

7:00 am-12:50 pm

1 stop8h 50m

San Francisco

Thu 4/15

1:45 pm-12:37 am

1 stop7h 52m

$431

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Wed 3/31

7:45 am-1:47 pm

1 stop9h 02m

San Francisco

Sat 4/17

2:00 pm-1:36 am

1 stop8h 36m

$648

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Wed 12/9

7:45 am-4:06 pm

1 stop11h 21m

San Francisco

Wed 1/13

11:25 am-12:56 am

1 stop10h 31m

$666

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to San Francisco from

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 typical price of a round-trip flight between Ottawa and San Francisco?

Prices are currently low for flights on this route.

Typical prices usually range from $410 to $586.
The lowest price recently found on this route was $373.

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of April, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $429.

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

You are more likely to see cheaper flights to San Francisco from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $476 when searching 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 $331 on momondo.

How have Ottawa to San Francisco flight prices changed over time?

As of October 2026, prices for Ottawa to San Francisco flights are approximately 59% more expensive when compared to flights at the same time last year.

When to book flights from Ottawa to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$194

Fastest flight time

8h 44m

Direct flights

None
The best one-way flight to San Francisco from Ottawa in the past 72 hours is $194. The best round-trip flight deal from Ottawa to San Francisco found on momondo in the last 72 hours is $373.
The fastest flight from Ottawa to San Francisco takes 8h 44m
There are no direct flights from Ottawa to San Francisco. There are no popular flight routes from Ottawa to San Francisco.
Search flight deals

Frequently asked questions about flying from Ottawa to San Francisco

  • How far is Ottawa to San Francisco by plane?

    There are 2432.8 mi between Ottawa and San Francisco. Flights usually cover this in 8h 44m, 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?

  • 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?

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
WestJetPriceFrom $263Free CancellationRating
7.2
3,442 reviews
Search WestJet flights
Porter AirlinesPriceFrom $316Free CancellationRating
8.0
467 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $391Free CancellationRating
7.1
11,833 reviews
Search Air Canada flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
South San Francisco
Hayward
Santa Clara
Walnut Creek
Bodega Bay
Fremont
Berkeley
Sunnyvale
Half Moon Bay
Vallejo
Roseville
Salinas
Sonoma
Milpitas
Palo Alto
Daly City
Pacific Grove

Why use momondo?

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.

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