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 62% 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 March 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.

$144 Cheap Flights from Ottawa to California in 2026

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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.

7:20 am - 4:35 pm

YOW

LAS

12h 15m

2 stops

1:20 pm - 5:35 am

LAS

YOW

13h 15m

2 stops

$232WestJet

Sun, May 3 - Wed, May 6

12:25 pm - 9:40 pm

YOW

LAS

12h 15m

2 stops

6:10 pm - 5:35 am

LAS

YOW

8h 25m

1 stop

$233WestJet

Sat, May 30 - Fri, Jun 5

12:25 pm - 9:40 pm

YOW

LAS

12h 15m

2 stops

6:10 pm - 5:35 am

LAS

YOW

8h 25m

1 stop

$234WestJet

Sat, May 2 - Fri, May 8

7:20 am - 3:45 pm

YOW

LAS

11h 25m

2 stops

6:10 pm - 5:35 am

LAS

YOW

8h 25m

1 stop

$235WestJet

Sun, May 3 - Wed, May 6

10:44 am - 10:59 pm

YOW

SAN

15h 15m

1 stop

6:20 am - 9:35 pm

SAN

YOW

12h 15m

1 stop

$363United Airlines

Fri, Apr 17 - Tue, Apr 21

5:25 pm - 10:41 pm

YOW

SJC

8h 16m

1 stop

6:30 am - 5:07 pm

SJC

YOW

7h 37m

1 stop

$366United Airlines

Wed, Apr 29 - Sat, May 2

5:05 am - 12:20 pm

YOW

SNA

10h 15m

1 stop

1:15 pm - 5:54 am

SNA

YOW

13h 39m

1 stop

$394Air Canada

Tue, Jun 16 - Tue, Jun 23

5:05 am - 12:18 pm

YOW

SAN

10h 13m

1 stop

7:00 am - 10:11 pm

SAN

YOW

12h 11m

1 stop

$403Air Canada

Tue, May 5 - Sat, May 9

1:20 pm - 10:32 pm

YOW

OAK

12h 12m

2 stops

6:20 am - 5:35 am

OAK

YOW

20h 15m

2 stops

$723Multiple Airlines

Tue, Apr 28 - Fri, May 1

1:20 pm - 10:32 pm

YOW

OAK

12h 12m

2 stops

7:00 am - 3:20 pm

OAK

YOW

29h 20m

2 stops

$730Multiple Airlines

Sat, May 9 - Fri, May 15

United Airlines flights from Ottawa to California

Our best United Airlines deals on Ottawa to California flight tickets

United Airlines

Jul 2

YOW5:20 pmOttawa

9h 39m

1 stop

LAS11:59 pmLas Vegas Harry Reid Intl

Jul 10

LAS7:03 pmLas Vegas Harry Reid Intl

15h 56m

1 stop

YOW1:59 pmOttawa

$257

United Airlines

Jul 1

YOW6:25 amOttawa

9h 36m

1 stop

LAS1:01 pmLas Vegas Harry Reid Intl

Jul 6

LAS8:31 pmLas Vegas Harry Reid Intl

14h 46m

2 stops

YOW2:17 pmOttawa

$263

United Airlines

Jul 21

YOW6:25 amOttawa

7h 43m

1 stop

LAS11:08 amLas Vegas Harry Reid Intl

Jul 24

LAS12:36 amLas Vegas Harry Reid Intl

10h 23m

1 stop

YOW1:59 pmOttawa

$264

Air Canada flights from Ottawa to California

Our best Air Canada deals on Ottawa to California flight tickets

Air Canada

Aug 18

YOW3:10 pmOttawa

10h 14m

1 stop

LAS10:24 pmLas Vegas Harry Reid Intl

Aug 25

LAS11:25 pmLas Vegas Harry Reid Intl

8h 10m

1 stop

YOW10:35 amOttawa

$280

Air Canada

Aug 12

YOW3:10 pmOttawa

10h 14m

1 stop

LAS10:24 pmLas Vegas Harry Reid Intl

Aug 18

LAS11:25 pmLas Vegas Harry Reid Intl

6h 59m

1 stop

YOW9:24 amOttawa

$293

Air Canada

Jun 27

YOW9:05 amOttawa

16h 19m

1 stop

LAS10:24 pmLas Vegas Harry Reid Intl

Jul 6

LAS11:25 pmLas Vegas Harry Reid Intl

9h 05m

1 stop

YOW11:30 amOttawa

$300

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 5/3

7:20 am-4:35 pm

2 stops12h 15m

Las Vegas Harry Reid Intl

Wed 5/6

1:20 pm-5:35 am

2 stops13h 15m

$232

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 5/30

12:25 pm-9:40 pm

2 stops12h 15m

Las Vegas Harry Reid Intl

Fri 6/5

6:10 pm-5:35 am

1 stop8h 25m

$233

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 5/2

12:25 pm-9:40 pm

2 stops12h 15m

Las Vegas Harry Reid Intl

Fri 5/8

6:10 pm-5:35 am

1 stop8h 25m

$234

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 5/3

7:20 am-3:45 pm

2 stops11h 25m

Las Vegas Harry Reid Intl

Wed 5/6

6:10 pm-5:35 am

1 stop8h 25m

$235

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Fri 4/17

10:44 am-10:59 pm

1 stop15h 15m

San Diego

Tue 4/21

6:20 am-9:35 pm

1 stop12h 15m

$363

Quickest round-trip

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Wed 4/29

5:25 pm-10:41 pm

1 stop8h 16m

San Jose

Sat 5/2

6:30 am-5:07 pm

1 stop7h 37m

$366

OttawaSanta Ana

YOW - SNA

YOWSNA

Ottawa

Tue 6/16

5:05 am-12:20 pm

1 stop10h 15m

Santa Ana J. Wayne/Orange Cnty

Tue 6/23

1:15 pm-5:54 am

1 stop13h 39m

$394

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Tue 5/5

5:05 am-12:18 pm

1 stop10h 13m

San Diego

Sat 5/9

7:00 am-10:11 pm

1 stop12h 11m

$403

OttawaOakland

YOW - OAK

YOWOAK

Ottawa

Tue 4/28

1:20 pm-10:32 pm

2 stops12h 12m

Oakland

Fri 5/1

6:20 am-5:35 am

2 stops20h 15m

$723

OttawaOakland

YOW - OAK

YOWOAK

Ottawa

Sat 5/9

1:20 pm-10:32 pm

2 stops12h 12m

Oakland

Fri 5/15

7:00 am-3:20 pm

2 stops29h 20m

$730

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 August is another great option to travel to California, with average flight prices from Ottawa averaging around $270.

How far in advance should I book a flight 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 $337 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 $253 on momondo.

Can stopping save me money on Ottawa to California flights?

You could potentially save up to 1% 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 39m
Direct flights	None

The fastest flight from Ottawa to California takes 7h 39m

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

Search flight deals

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 March 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
Air Canada	PriceFrom $102	Free Cancellation	Rating 7.1 10,831 reviews	Search Air Canada flights
United Airlines	PriceFrom $142	Free Cancellation	Rating 7.4 9,458 reviews	Search United Airlines flights
WestJet	PriceFrom $176	Free Cancellation	Rating 7.2 3,300 reviews	Search WestJet flights
Porter Airlines	PriceFrom $226	Free Cancellation	Rating 8.0 426 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.