What airlines fly to Ottawa?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Ottawa from California according to our data. Air Canada is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 6 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from California to Ottawa?

Air Canada, WestJet, and United Airlines are the most popular carriers operating from California to Ottawa

How long does it take to fly to Ottawa?

Average flight duration from California to Ottawa depends on which airport you fly into and out of. Flying from Los Angeles to Montreal Pierre Elliott Trudeau Intl Airport is 5h 14m on average, while flying from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport is 5h 21m on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in Ottawa.

When did momondo last update prices for flights from California to Ottawa Airport?

Prices for flights from California to Ottawa Airport were last updated today.

How many operators does momondo search for flights from California to Ottawa Airport?

There are 4 operators available for flights from California to Ottawa Airport as of August 2026.

How old do you have to be to fly from California to Ottawa Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from California to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$141 Cheap Flights from California to Ottawa in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Ottawa

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 5:15 pmSFO San Francisco-YOW Ottawa

8h 15m1 stop Calgary

6:55 am - 4:40 pmYOW Ottawa-SFO San Francisco

12h 45m2 stops Toronto Pearson Intl Calgary

$276WestJet

Sat, Sep 19 - Wed, Sep 23

6:00 am - 5:15 pmSFO San Francisco-YOW Ottawa

8h 15m1 stop Calgary

7:20 am - 4:40 pmYOW Ottawa-SFO San Francisco

12h 20m1 stop Calgary

$294WestJet

Sat, Sep 19 - Wed, Sep 23

7:04 pm - 7:20 pmSAN San Diego-YOW Ottawa

21h 16m2 stops Phoenix Sky Harbor Intl Calgary

7:20 am - 2:10 pmYOW Ottawa-SAN San Diego

9h 50m1 stop Calgary

$324Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

9:10 pm - 1:11 pmSNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

13h 01m1 stop Newark

4:46 pm - 8:46 amYOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

19h 00m2 stops Chicago O'Hare Intl San Francisco

$340United Airlines

Fri, Nov 13 - Sat, Nov 14

6:30 pm - 1:11 pmSNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

15h 41m2 stops Denver Intl Newark

4:46 pm - 12:07 pmYOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

22h 21m2 stops Chicago O'Hare Intl San Francisco

$346United Airlines

Fri, Nov 13 - Sat, Nov 14

6:00 am - 7:20 pmSFO San Francisco-YOW Ottawa

10h 20m1 stop Calgary

7:00 am - 12:20 pmYOW Ottawa-SFO San Francisco

8h 20m1 stop Toronto Pearson Intl

$351Multiple Airlines

Tue, Sep 22 - Thu, Oct 1

1:10 pm - 12:45 amSAN San Diego-YOW Ottawa

8h 35m1 stop Toronto Pearson Intl

5:00 am - 11:47 amYOW Ottawa-SAN San Diego

9h 47m1 stop Vancouver Intl

$367Air Canada

Wed, Sep 16 - Tue, Sep 22

12:25 pm - 11:55 pmPSP Palm Springs-YOW Ottawa

8h 30m1 stop Toronto Pearson Intl

5:10 am - 11:32 amYOW Ottawa-PSP Palm Springs

9h 22m1 stop Toronto Pearson Intl

$433Air Canada

Fri, Dec 4 - Sun, Dec 6

1:45 pm - 12:50 amSFO San Francisco-YOW Ottawa

8h 05m1 stop Toronto Pearson Intl

7:00 am - 12:45 pmYOW Ottawa-SFO San Francisco

8h 45m1 stop Toronto Pearson Intl

$511Porter Airlines

Sun, Oct 25 - Fri, Oct 30

1:20 pm - 12:25 amSFO San Francisco-YOW Ottawa

8h 05m1 stop Toronto Pearson Intl

7:00 am - 12:45 pmYOW Ottawa-SFO San Francisco

8h 45m1 stop Toronto Pearson Intl

$589Porter Airlines

Fri, Oct 23 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

2:27 pm - 7:20 pmSNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

25h 53m2 stops Phoenix Sky Harbor Intl Calgary

4:15 pm - 5:00 pmYOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

27h 45m1 stop Calgary

$487Multiple Airlines

Mon, Aug 24 - Sat, Aug 29

6:45 am - 12:20 amSNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

14h 35m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl

6:55 am - 6:37 pmYOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

14h 42m2 stops Toronto Pearson Intl Atlanta Hartsfield-Jackson

$516Delta

Mon, Aug 24 - Sat, Aug 29

4:35 pm - 12:30 pmLAS Las Vegas Harry Reid Intl-YOW Ottawa

16h 55m1 stop Edmonton

1:20 pm - 9:40 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

11h 20m1 stop Calgary

$866WestJet

Fri, Aug 21 - Sun, Aug 23

6:05 pm - 5:35 amSFO San Francisco-YOW Ottawa

8h 30m1 stop Calgary

6:00 am - 12:00 pmYOW Ottawa-SFO San Francisco

9h 00m1 stop Calgary

$879WestJet

Fri, Aug 21 - Fri, Aug 28

1:20 pm - 12:25 amSFO San Francisco-YOW Ottawa

8h 05m1 stop Toronto Pearson Intl

8:55 pm - 12:15 pmYOW Ottawa-SFO San Francisco

18h 20m1 stop Toronto Pearson Intl

$1,089Porter Airlines

Tue, Aug 25 - Wed, Sep 2

10:35 pm - 1:59 pmSFO San Francisco-YOW Ottawa

12h 24m1 stop Chicago O'Hare Intl

6:55 am - 3:22 pmYOW Ottawa-SFO San Francisco

11h 27m1 stop Vancouver Intl

$1,095Air Canada

Tue, Aug 25 - Tue, Sep 1

11:39 pm - 10:35 amSFO San Francisco-YOW Ottawa

7h 56m1 stop Montreal Pierre Elliott Trudeau Intl

6:05 pm - 12:07 amYOW Ottawa-SFO San Francisco

9h 02m1 stop Vancouver Intl

$1,184Air Canada

Fri, Aug 21 - Tue, Sep 1

6:20 am - 9:35 pmSJC San Jose-YOW Ottawa

12h 15m1 stop Chicago O'Hare Intl

10:37 am - 10:50 pmYOW Ottawa-SJC San Jose

15h 13m1 stop Chicago O'Hare Intl

$1,208United Airlines

Fri, Aug 21 - Sun, Aug 23

6:37 pm - 9:56 amSJC San Jose-YOW Ottawa

12h 19m2 stops Denver Intl Washington, D.C. Dulles Intl

6:25 am - 11:46 amYOW Ottawa-SJC San Jose

8h 21m1 stop Chicago O'Hare Intl

$1,213United Airlines

Fri, Aug 21 - Sun, Aug 23

1:20 pm - 12:25 amSFO San Francisco-YOW Ottawa

8h 05m1 stop Toronto Pearson Intl

7:00 am - 12:20 pmYOW Ottawa-SFO San Francisco

8h 20m1 stop Toronto Pearson Intl

$1,353Porter Airlines

Sat, Aug 22 - Sun, Aug 30

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WestJet flights from California to Ottawa

Our best WestJet deals on California to Ottawa flight tickets

WestJet

Sep 19

SFO6:00 amSan Francisco

8h 15m

1 stop

YOW5:15 pmOttawa

Sep 23

YOW6:55 amOttawa

12h 45m

2 stops

SFO4:40 pmSan Francisco

$276

WestJet

Sep 19

SFO6:00 amSan Francisco

8h 15m

1 stop

YOW5:15 pmOttawa

Sep 23

YOW7:20 amOttawa

12h 20m

1 stop

SFO4:40 pmSan Francisco

$294

WestJet

Sep 10

LAS6:10 pmLas Vegas Harry Reid Intl

8h 25m

1 stop

YOW5:35 amOttawa

Sep 15

YOW7:20 amOttawa

12h 55m

1 stop

LAS5:15 pmLas Vegas Harry Reid Intl

$296

United Airlines flights from California to Ottawa

Our best United Airlines deals on California to Ottawa flight tickets

United Airlines

Nov 13

SNA9:10 pmSanta Ana J. Wayne/Orange Cnty

13h 01m

1 stop

YOW1:11 pmOttawa

Nov 14

YOW4:46 pmOttawa

19h 00m

2 stops

SNA8:46 amSanta Ana J. Wayne/Orange Cnty

$340

United Airlines

Nov 13

SNA6:30 pmSanta Ana J. Wayne/Orange Cnty

15h 41m

2 stops

YOW1:11 pmOttawa

Nov 14

YOW4:46 pmOttawa

22h 21m

2 stops

SNA12:07 pmSanta Ana J. Wayne/Orange Cnty

$346

United Airlines

Oct 17

SNA6:45 amSanta Ana J. Wayne/Orange Cnty

7h 31m

1 stop

YOW5:16 pmOttawa

Oct 31

YOW6:00 amOttawa

17h 14m

1 stop

SNA8:14 pmSanta Ana J. Wayne/Orange Cnty

$381

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sat 9/19

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Wed 9/23

6:55 am-4:40 pm

2 stops12h 45m

$276

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sat 9/19

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Wed 9/23

7:20 am-4:40 pm

1 stop12h 20m

$294

San DiegoOttawa

SAN San Diego - YOW Ottawa

SANYOW

San Diego

Mon 9/14

7:04 pm-7:20 pm

2 stops21h 16m

Ottawa

Mon 9/21

7:20 am-2:10 pm

1 stop9h 50m

$324

Santa AnaOttawa

SNA Santa Ana J. Wayne/Orange Cnty - YOW Ottawa

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Fri 11/13

9:10 pm-1:11 pm

1 stop13h 01m

Ottawa

Sat 11/14

4:46 pm-8:46 am

2 stops19h 00m

$340

Santa AnaOttawa

SNA Santa Ana J. Wayne/Orange Cnty - YOW Ottawa

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Fri 11/13

6:30 pm-1:11 pm

2 stops15h 41m

Ottawa

Sat 11/14

4:46 pm-12:07 pm

2 stops22h 21m

$346

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Tue 9/22

6:00 am-7:20 pm

1 stop10h 20m

Ottawa

Thu 10/1

7:00 am-12:20 pm

1 stop8h 20m

$351

San DiegoOttawa

SAN San Diego - YOW Ottawa

SANYOW

San Diego

Wed 9/16

1:10 pm-12:45 am

1 stop8h 35m

Ottawa

Tue 9/22

5:00 am-11:47 am

1 stop9h 47m

$367

Palm SpringsOttawa

PSP Palm Springs - YOW Ottawa

PSPYOW

Palm Springs

Fri 12/4

12:25 pm-11:55 pm

1 stop8h 30m

Ottawa

Sun 12/6

5:10 am-11:32 am

1 stop9h 22m

$433

Quickest round-trip

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sun 10/25

1:45 pm-12:50 am

1 stop8h 05m

Ottawa

Fri 10/30

7:00 am-12:45 pm

1 stop8h 45m

$511

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Fri 10/23

1:20 pm-12:25 am

1 stop8h 05m

Ottawa

Tue 10/27

7:00 am-12:45 pm

1 stop8h 45m

$589

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Ottawa

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

Prices

Airlines

Other information

What is the cheapest month to fly to Ottawa?

In general, February is the cheapest month to fly from California to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $417. The month of May is another great option to travel to Ottawa, with average flight prices from California averaging around $511.

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

You are more likely to see cheaper flights to Ottawa from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around $548 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from California for as low as $409 on momondo.

Can stopping save me money on California to Ottawa flights?

You could potentially save up to 32% on your flight if you consider stops on a California to Ottawa flight.

Cheap California to Ottawa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Ottawa

Best Price Found	$141
Fastest flight time	6h 59m
Direct flights	None

The best one-way flight to Ottawa from California in the past 72 hours is $141. The best round-trip flight deal from California to Ottawa found on momondo in the last 72 hours is $276.

The fastest flight from California to Ottawa takes 6h 59m

There are no direct flights from California to Ottawa. There are no popular flight routes from California to Ottawa.

Search flight deals

Frequently asked questions about flying from California to Ottawa

When did momondo last update prices for flights from California to Ottawa Airport?
Prices for flights from California to Ottawa Airport were last updated today.
How many operators does momondo search for flights from California to Ottawa Airport?
There are 4 operators available for flights from California to Ottawa Airport as of August 2026.
How old do you have to be to fly from California to Ottawa Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from California to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from California to Ottawa

Compare and see reviews for airlines that fly from California to Ottawa with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom $173	Free Cancellation	Rating 7.2 3,434 reviews	Search WestJet flights
United Airlines	PriceFrom $181	Free Cancellation	Rating 7.4 10,103 reviews	Search United Airlines flights
Air Canada	PriceFrom $192	Free Cancellation	Rating 7.1 11,506 reviews	Search Air Canada flights
Porter Airlines	PriceFrom $333	Free Cancellation	Rating 8.0 457 reviews	Search Porter Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from California to Ottawa?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ottawa from California.

Can I find flights from California to Ottawa with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ottawa from California with this policy.

How can momondo help me find flights from California to Ottawa?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from California to Ottawa.

I’m not ready to book a flight from California to Ottawa right now. Can momondo alert me if prices change?

Price alerts on flights to Ottawa from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from California to Ottawa from $141

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Ottawa departing on 9/22. 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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WestJet flights from California to Ottawa

Our best WestJet deals on California to Ottawa flight tickets

United Airlines flights from California to Ottawa

Our best United Airlines deals on California to Ottawa flight tickets

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How to get the cheapest flight ticket from California to Ottawa

What is the cheapest month to fly to Ottawa?

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

Can stopping save me money on California to Ottawa flights?

What is the cheapest airline that flies from California to Ottawa?

What airlines fly to Ottawa?

How long does it take to fly to Ottawa?

Cheap California to Ottawa flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from California to Ottawa

Best airlines flying from California to Ottawa

Compare and see reviews for airlines that fly from California to Ottawa with momondo

Traveling to a place near Ottawa?

Why use momondo?

An easier way to manage your Ottawa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing Ontario

Fly your favorite airline to Ottawa

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ottawa

List of cabin classes available on flights landing in Ottawa. Availability may vary depending on flight origin and airline.

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