What airlines fly to California?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to California from Ottawa according to our data. Air Canada is the first choice among our users, with 64% of people opting to fly with this airline when traveling to California. Keep in mind that there are 6 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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

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

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

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

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

As of August 2026, there are 4 operators available to choose from for flights from Ottawa Airport to California.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to California.

What documentation or ID do you need to fly to California?

The travel and health documents required for your trip to California 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 California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$179 Cheap Flights from Ottawa to California in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to California

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:25 pm - 9:40 pm-

12h 15m

6:10 pm - 5:35 am-

8h 25m

$305WestJet

Wed, Aug 26 - Sat, Aug 29

12:25 pm - 9:40 pm-

12h 15m

6:10 pm - 5:35 am-

8h 25m

$306WestJet

Wed, Aug 26 - Sat, Aug 29

7:20 am - 9:43 am-

29h 23m

3:30 pm - 5:35 am-

11h 05m

$329Multiple Airlines

Sun, Sep 13 - Thu, Sep 17

7:00 am - 11:42 am-

7h 42m

12:45 pm - 12:25 am-

8h 40m

$341Porter Airlines

Wed, Sep 16 - Sat, Sep 19

7:00 am - 11:42 am-

7h 42m

9:45 am - 8:00 pm-

7h 15m

$342Porter Airlines

Wed, Sep 16 - Sun, Sep 20

6:25 am - 6:51 pm-

15h 26m

4:14 pm - 9:56 am-

14h 42m

$358United Airlines

Thu, Aug 27 - Sun, Sep 6

7:30 pm - 1:07 pm-

20h 37m

3:41 pm - 9:11 am-

14h 30m

$365United Airlines

Tue, Aug 25 - Wed, Aug 26

1:20 pm - 9:40 pm-

11h 20m

6:00 pm - 7:20 pm-

22h 20m

$368Multiple Airlines

Thu, Sep 3 - Tue, Sep 8

5:45 am - 10:55 am-

8h 10m

11:50 pm - 11:20 am-

8h 30m

$379Air Canada

Fri, Dec 4 - Sat, Dec 5

5:45 am - 10:55 am-

8h 10m

11:50 pm - 11:20 am-

8h 30m

$379Air Canada

Fri, Dec 4 - Mon, Dec 7

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Air Canada flights from Ottawa to California

Our best Air Canada deals on Ottawa to California flight tickets

Air Canada

Sep 15

YOW6:55 amOttawa

12h 05m

1 stop

LAX4:00 pmLos Angeles Los Angeles

Sep 22

LAX10:30 pmLos Angeles Los Angeles

7h 54m

1 stop

YOW9:24 amOttawa

$400

Air Canada

Aug 29

YOW5:00 amOttawa

9h 32m

1 stop

LAX11:32 amLos Angeles Los Angeles

Sep 5

LAX10:40 amLos Angeles Los Angeles

7h 40m

1 stop

YOW9:20 pmOttawa

$407

Air Canada

Aug 18

YOW6:00 amOttawa

9h 26m

2 stops

LAS12:26 pmLas Vegas Harry Reid Intl

Aug 21

LAS11:55 pmLas Vegas Harry Reid Intl

11h 03m

2 stops

YOW1:58 pmOttawa

$422

United Airlines flights from Ottawa to California

Our best United Airlines deals on Ottawa to California flight tickets

United Airlines

Aug 27

YOW6:25 amOttawa

15h 26m

1 stop

SNA6:51 pmSanta Ana J. Wayne/Orange Cnty

Sep 6

SNA4:14 pmSanta Ana J. Wayne/Orange Cnty

14h 42m

2 stops

YOW9:56 amOttawa

$358

United Airlines

Aug 15

YOW6:00 amOttawa

15h 24m

2 stops

LAS6:24 pmLas Vegas Harry Reid Intl

Aug 26

LAS9:37 amLas Vegas Harry Reid Intl

11h 17m

2 stops

YOW11:54 pmOttawa

$398

United Airlines

Aug 19

YOW6:00 amOttawa

17h 08m

1 stop

LAS8:08 pmLas Vegas Harry Reid Intl

Aug 26

LAS1:23 pmLas Vegas Harry Reid Intl

7h 31m

1 stop

YOW11:54 pmOttawa

$399

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 8/26

12:25 pm-9:40 pm

2 stops12h 15m

Las Vegas Harry Reid Intl

Sat 8/29

6:10 pm-5:35 am

1 stop8h 25m

$305

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 8/26

12:25 pm-9:40 pm

2 stops12h 15m

Las Vegas Harry Reid Intl

Sat 8/29

6:10 pm-5:35 am

1 stop8h 25m

$306

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sun 9/13

7:20 am-9:43 am

2 stops29h 23m

San Diego

Thu 9/17

3:30 pm-5:35 am

1 stop11h 05m

$329

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 9/16

7:00 am-11:42 am

1 stop7h 42m

Las Vegas Harry Reid Intl

Sat 9/19

12:45 pm-12:25 am

1 stop8h 40m

$341

Quickest round-trip

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 9/16

7:00 am-11:42 am

1 stop7h 42m

Las Vegas Harry Reid Intl

Sun 9/20

9:45 am-8:00 pm

1 stop7h 15m

$342

OttawaSanta Ana

YOW - SNA

YOWSNA

Ottawa

Thu 8/27

6:25 am-6:51 pm

1 stop15h 26m

Santa Ana J. Wayne/Orange Cnty

Sun 9/6

4:14 pm-9:56 am

2 stops14h 42m

$358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 8/25

7:30 pm-1:07 pm

2 stops20h 37m

Las Vegas Harry Reid Intl

Wed 8/26

3:41 pm-9:11 am

1 stop14h 30m

$365

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 9/3

1:20 pm-9:40 pm

1 stop11h 20m

Las Vegas Harry Reid Intl

Tue 9/8

6:00 pm-7:20 pm

2 stops22h 20m

$368

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 12/4

5:45 am-10:55 am

1 stop8h 10m

Las Vegas Harry Reid Intl

Sat 12/5

11:50 pm-11:20 am

1 stop8h 30m

$379

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 12/4

5:45 am-10:55 am

1 stop8h 10m

Las Vegas Harry Reid Intl

Mon 12/7

11:50 pm-11:20 am

1 stop8h 30m

$379

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 Ottawa to California

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

What is the cheapest month to fly to California?

The month of September is another great option to travel to California, with average flight prices from Ottawa averaging around $404.

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

You are more likely to see cheaper flights to California from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $412 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Ottawa for as low as $351 on momondo.

Can stopping save me money on Ottawa to California flights?

You could potentially save up to 6% on your flight if you consider stops on a Ottawa to California flight.

Cheap Ottawa to California flight deals and tips

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

Fastest flight time	7h 50m
Direct flights	None

The fastest flight from Ottawa to California takes 7h 50m

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

Search flight deals

Frequently asked questions about flying from Ottawa to California

When did momondo last update prices for flights from Ottawa Airport to California?
Prices for flights from Ottawa Airport to California were last updated today.
How many operators does momondo search for flights from Ottawa Airport to California?
As of August 2026, there are 4 operators available to choose from for flights from Ottawa Airport to California.
How old do you have to be to fly from Ottawa Airport to California?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to California.
What documentation or ID do you need to fly to California?
The travel and health documents required for your trip to California 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 California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ottawa to California

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

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom $184	Free Cancellation	Rating 7.2 3,426 reviews	Search WestJet flights
United Airlines	PriceFrom $250	Free Cancellation	Rating 7.4 10,061 reviews	Search United Airlines flights
Air Canada	PriceFrom $276	Free Cancellation	Rating 7.1 11,429 reviews	Search Air Canada flights
Porter Airlines	PriceFrom $276	Free Cancellation	Rating 8.0 450 reviews	Search Porter Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to California for you.

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

All flight searches from Ottawa to California on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to California from Ottawa.

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

Yes momondo offers price alerts on flights to California from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.