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

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

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 56% 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.

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 13m on average, while flying from San Francisco to Montreal Pierre Elliott Trudeau Intl Airport is 5h 24m 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 December 2025.

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.

$99 Cheap Flights from California to Ottawa in 2025/26

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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.

12:50 pm - 5:28 am

SFO

YOW

13h 38m2 stops

7:00 am - 12:23 pm

YOW

SFO

8h 23m1 stop

$255Multiple Airlines

Thu, Apr 30 - Tue, May 12

1:00 pm - 12:40 am

SFO

YOW

8h 40m1 stop

6:00 am - 12:12 pm

YOW

SFO

9h 12m1 stop

$259WestJet

Fri, Jan 16 - Thu, Jan 22

12:50 pm - 12:40 am

SFO

YOW

8h 50m1 stop

7:00 am - 12:23 pm

YOW

SFO

8h 23m1 stop

$265Multiple Airlines

Thu, Apr 30 - Tue, May 12

1:40 pm - 12:43 am

LAX

YOW

8h 03m1 stop

6:45 am - 12:36 pm

YOW

LAX

8h 51m1 stop

$299Porter Airlines

Tue, Jan 13 - Tue, Jan 20

6:10 pm - 6:45 am

SAN

YOW

9h 35m1 stop

6:00 am - 11:53 am

YOW

SAN

8h 53m1 stop

$344Air Canada

Fri, Apr 10 - Sun, Apr 12

4:08 pm - 10:03 am

SAN

YOW

14h 55m2 stops

6:00 am - 11:30 am

YOW

SAN

8h 30m1 stop

$362United Airlines

Fri, Apr 10 - Sun, Apr 12

12:25 pm - 6:43 am

PSP

YOW

15h 18m1 stop

5:00 am - 10:39 am

YOW

PSP

8h 39m1 stop

$363Air Canada

Thu, Jan 15 - Mon, Jan 19

7:15 am - 11:54 pm

SMF

YOW

13h 39m1 stop

2:15 pm - 8:50 pm

YOW

SMF

9h 35m1 stop

$363United Airlines

Sun, Jan 18 - Thu, Jan 22

7:30 pm - 4:53 pm

ONT

YOW

18h 23m3 stops

6:45 am - 10:13 pm

YOW

ONT

18h 28m3 stops

$791American Airlines

Thu, Jan 29 - Thu, Feb 5

4:45 pm - 4:53 pm

ONT

YOW

21h 08m3 stops

6:45 am - 10:13 pm

YOW

ONT

18h 28m3 stops

$862American Airlines

Mon, Jan 12 - Mon, Jan 19

Air Canada flights from California to Ottawa

Our best Air Canada deals on California to Ottawa flight tickets

Air Canada

Apr 18

LAS4:45 pmLas Vegas Harry Reid Intl

11h 00m

1 stop

YOW6:45 amOttawa

Apr 21

YOW5:00 amOttawa

9h 09m

1 stop

LAS11:09 amLas Vegas Harry Reid Intl

$258

Find similar

Air Canada

Jan 19

LAS11:30 pmLas Vegas Harry Reid Intl

6h 53m

1 stop

YOW9:23 amOttawa

Jan 24

YOW2:50 pmOttawa

8h 49m

1 stop

LAS8:39 pmLas Vegas Harry Reid Intl

$260

Find similar

Air Canada

Apr 18

LAS11:30 pmLas Vegas Harry Reid Intl

8h 34m

1 stop

YOW11:04 amOttawa

Apr 21

YOW6:00 amOttawa

8h 09m

1 stop

LAS11:09 amLas Vegas Harry Reid Intl

$265

Find similar

WestJet flights from California to Ottawa

Our best WestJet deals on California to Ottawa flight tickets

WestJet

Jan 16

SFO1:00 pmSan Francisco

8h 40m

1 stop

YOW12:40 amOttawa

Jan 22

YOW6:00 amOttawa

9h 12m

1 stop

SFO12:12 pmSan Francisco

$259

Find similar

WestJet

May 8

SFO12:50 pmSan Francisco

13h 38m

2 stops

YOW5:28 amOttawa

May 11

YOW3:45 pmOttawa

8h 39m

1 stop

SFO9:24 pmSan Francisco

$261

Find similar

WestJet

May 8

SFO12:50 pmSan Francisco

8h 50m

1 stop

YOW12:40 amOttawa

May 11

YOW6:00 amOttawa

8h 54m

1 stop

SFO11:54 amSan Francisco

$266

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 4/30

12:50 pm-5:28 am

2 stops13h 38m

Ottawa

Tue 5/12

7:00 am-12:23 pm

1 stop8h 23m

$255

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 1/16

1:00 pm-12:40 am

1 stop8h 40m

Ottawa

Thu 1/22

6:00 am-12:12 pm

1 stop9h 12m

$259

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 4/30

12:50 pm-12:40 am

1 stop8h 50m

Ottawa

Tue 5/12

7:00 am-12:23 pm

1 stop8h 23m

$265

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Tue 1/13

1:40 pm-12:43 am

1 stop8h 03m

Ottawa

Tue 1/20

6:45 am-12:36 pm

1 stop8h 51m

$299

San DiegoOttawa

SAN - YOW

SANYOW

San Diego

Fri 4/10

6:10 pm-6:45 am

1 stop9h 35m

Ottawa

Sun 4/12

6:00 am-11:53 am

1 stop8h 53m

$344

San DiegoOttawa

SAN - YOW

SANYOW

San Diego

Fri 4/10

4:08 pm-10:03 am

2 stops14h 55m

Ottawa

Sun 4/12

6:00 am-11:30 am

1 stop8h 30m

$362

Palm SpringsOttawa

PSP - YOW

PSPYOW

Palm Springs

Thu 1/15

12:25 pm-6:43 am

1 stop15h 18m

Ottawa

Mon 1/19

5:00 am-10:39 am

1 stop8h 39m

$363

SacramentoOttawa

SMF - YOW

SMFYOW

Sacramento Intl

Sun 1/18

7:15 am-11:54 pm

1 stop13h 39m

Ottawa

Thu 1/22

2:15 pm-8:50 pm

1 stop9h 35m

$363

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Thu 1/29

7:30 pm-4:53 pm

3 stops18h 23m

Ottawa

Thu 2/5

6:45 am-10:13 pm

3 stops18h 28m

$791

OntarioOttawa

ONT - YOW

ONTYOW

Ontario

Mon 1/12

4:45 pm-4:53 pm

3 stops21h 08m

Ottawa

Mon 1/19

6:45 am-10:13 pm

3 stops18h 28m

$862

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, May 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 $253. The month of July is another great option to travel to Ottawa, with average flight prices from California averaging around $285.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from California to Ottawa is on a Tuesday. Travelers who choose to depart for Ottawa on a Tuesday will often find tickets for as low as $430. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Sunday is $594.

What is the cheapest time of day to depart on your flight to Ottawa?

In the afternoon is the cheapest time of day to fly from California to Ottawa when you can find flight prices for as low as $394. Flying to Ottawa in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $536 on average. Flights to Ottawa from California in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight 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 $421 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 $286 on momondo.

Can stopping save me money on California to Ottawa flights?

You could potentially save up to 10% 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

Fastest flight time	7h 07m
Direct flights	None

The fastest flight from California to Ottawa takes 7h 07m

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

Search flight deals

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 December 2025.
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 $119	Free Cancellation	Rating 7.2 3,203 reviews	Search WestJet flights
Air Canada	PriceFrom $149	Free Cancellation	Rating 7.1 10,532 reviews	Search Air Canada flights
United Airlines	PriceFrom $181	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Porter Airlines	PriceFrom $210	Free Cancellation	Rating 8.0 399 reviews	Search Porter Airlines flights

Gatineau

Pembroke

Brockville

Calabogie

Petawawa

Smiths Falls

Perth

Prescott

Winchester

Wakefield

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.