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, United Airlines, and Air Canada 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 September 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.

$182 Cheap Flights from Ottawa to California in 2026/27

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 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 15m2 stops Winnipeg Calgary

6:10 pm - 5:35 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 25m1 stop Calgary

$269WestJet

Sat, Oct 17 - Fri, Oct 23

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

11h 20m1 stop Calgary

6:10 pm - 5:35 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 25m1 stop Calgary

$270WestJet

Sat, Oct 17 - Fri, Oct 23

5:40 pm - 10:37 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

7h 57m1 stop Toronto Pearson Intl

2:35 pm - 12:50 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

7h 15m1 stop Toronto Pearson Intl

$314Porter Airlines

Sun, Nov 15 - Wed, Nov 18

5:40 pm - 10:37 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

7h 57m1 stop Toronto Pearson Intl

9:40 am - 12:50 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

12h 10m2 stops Edmonton Toronto Pearson Intl

$319Porter Airlines

Sun, Nov 15 - Wed, Nov 18

6:00 am - 8:08 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

17h 08m1 stop Washington, D.C. Dulles Intl

7:50 pm - 2:09 pmLAS Las Vegas Harry Reid Intl-YOW Ottawa

15h 19m2 stops San Francisco Chicago O'Hare Intl

$334United Airlines

Fri, Oct 23 - Mon, Oct 26

9:45 am - 3:17 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

8h 32m1 stop Washington, D.C. Dulles Intl

12:59 am - 2:09 pmLAS Las Vegas Harry Reid Intl-YOW Ottawa

10h 10m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$334United Airlines

Sat, Oct 31 - Fri, Nov 6

5:40 pm - 10:37 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

7h 57m1 stop Toronto Pearson Intl

9:35 am - 12:01 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

11h 26m2 stops Edmonton Calgary

$355Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

7:45 am - 4:25 pmYOW Ottawa-SAN San Diego

11h 40m1 stop Vancouver Intl

12:55 pm - 11:55 pmSAN San Diego-YOW Ottawa

8h 00m1 stop Toronto Pearson Intl

$366Air Canada

Wed, Nov 18 - Fri, Nov 27

7:45 am - 4:25 pmYOW Ottawa-SAN San Diego

11h 40m1 stop Vancouver Intl

12:55 pm - 11:55 pmSAN San Diego-YOW Ottawa

8h 00m1 stop Toronto Pearson Intl

$366Air Canada

Tue, Nov 17 - Fri, Nov 27

5:40 pm - 10:37 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

7h 57m1 stop Toronto Pearson Intl

9:35 am - 12:01 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

11h 26m2 stops Edmonton Calgary

$369Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

Cheap last minute flights

Enter your travel dates to find the best prices.

12:25 pm - 9:40 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 15m2 stops Winnipeg Calgary

4:30 pm - 5:35 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

10h 05m1 stop Calgary

$543WestJet

Thu, Sep 24 - Thu, Oct 1

12:25 pm - 9:40 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 15m2 stops Winnipeg Calgary

8:30 am - 12:20 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

12h 50m2 stops Calgary Toronto Pearson Intl

$551WestJet

Thu, Sep 24 - Thu, Oct 1

2:52 pm - 8:08 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

8h 16m1 stop Washington, D.C. Dulles Intl

3:26 pm - 9:11 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

14h 45m1 stop Newark

$598United Airlines

Sat, Sep 26 - Wed, Sep 30

6:25 am - 8:27 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

17h 02m2 stops Chicago O'Hare Intl Los Angeles

11:55 pm - 9:56 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

7h 01m1 stop Washington, D.C. Dulles Intl

$598United Airlines

Sat, Sep 26 - Wed, Sep 30

11:10 am - 10:23 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

14h 13m1 stop Montreal Pierre Elliott Trudeau Intl

11:25 pm - 10:18 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

7h 53m1 stop Montreal Pierre Elliott Trudeau Intl

$631Air Canada

Fri, Sep 25 - Mon, Sep 28

9:05 am - 10:23 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

16h 18m1 stop Montreal Pierre Elliott Trudeau Intl

5:45 am - 10:10 pmLAS Las Vegas Harry Reid Intl-YOW Ottawa

13h 25m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl

$631Air Canada

Fri, Sep 25 - Mon, Sep 28

1:20 pm - 10:05 pmYOW Ottawa-LAX Los Angeles

11h 45m1 stop Calgary

11:30 am - 3:20 pmLAX Los Angeles-YOW Ottawa

24h 50m2 stops Vancouver Intl Calgary

$662Multiple Airlines

Fri, Sep 25 - Mon, Sep 28

6:55 am - 5:15 pmYOW Ottawa-LAS Las Vegas Harry Reid Intl

13h 20m2 stops Toronto Pearson Intl Calgary

11:25 pm - 10:18 amLAS Las Vegas Harry Reid Intl-YOW Ottawa

7h 53m1 stop Montreal Pierre Elliott Trudeau Intl

$742Multiple Airlines

Fri, Sep 25 - Sun, Sep 27

7:00 am - 12:15 pmYOW Ottawa-SFO San Francisco

8h 15m1 stop Toronto Pearson Intl

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

8h 05m1 stop Toronto Pearson Intl

$907Porter Airlines

Thu, Sep 24 - Mon, Sep 28

7:00 am - 12:15 pmYOW Ottawa-SFO San Francisco

8h 15m1 stop Toronto Pearson Intl

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

8h 05m1 stop Toronto Pearson Intl

$909Porter Airlines

Thu, Sep 24 - Mon, Sep 28

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Air Canada flights from Ottawa to California

Our best Air Canada deals on Ottawa to California flight tickets

Air Canada

Nov 17

YOW7:45 amOttawa

11h 40m

1 stop

SAN4:25 pmSan Diego

Nov 27

SAN12:55 pmSan Diego

8h 00m

1 stop

YOW11:55 pmOttawa

$330

Air Canada

Nov 17

YOW7:45 amOttawa

11h 40m

1 stop

SAN4:25 pmSan Diego

Nov 27

SAN12:55 pmSan Diego

8h 00m

1 stop

YOW11:55 pmOttawa

$366

Air Canada

Oct 5

YOW5:00 amOttawa

11h 35m

1 stop

LAX1:35 pmLos Angeles

Oct 11

LAX12:20 pmLos Angeles

9h 33m

1 stop

YOW12:53 amOttawa

$403

United Airlines flights from Ottawa to California

Our best United Airlines deals on Ottawa to California flight tickets

United Airlines

Nov 17

YOW6:15 amOttawa

11h 40m

2 stops

SAN2:55 pmSan Diego

Nov 26

SAN6:50 amSan Diego

11h 26m

1 stop

YOW9:16 pmOttawa

$328

United Airlines

Oct 23

YOW6:00 amOttawa

17h 08m

1 stop

LAS8:08 pmLas Vegas Harry Reid Intl

Oct 26

LAS11:45 pmLas Vegas Harry Reid Intl

16h 42m

1 stop

YOW7:27 pmOttawa

$334

United Airlines

Oct 17

YOW6:00 amOttawa

12h 54m

2 stops

SAN3:54 pmSan Diego

Oct 21

SAN9:45 pmSan Diego

9h 11m

1 stop

YOW9:56 amOttawa

$356

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 10/17

12:25 pm-9:40 pm

2 stops12h 15m

Las Vegas Harry Reid Intl

Fri 10/23

6:10 pm-5:35 am

1 stop8h 25m

$269

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 10/17

1:20 pm-9:40 pm

1 stop11h 20m

Las Vegas Harry Reid Intl

Fri 10/23

6:10 pm-5:35 am

1 stop8h 25m

$270

Quickest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sun 11/15

5:40 pm-10:37 pm

1 stop7h 57m

Las Vegas Harry Reid Intl

Wed 11/18

2:35 pm-12:50 am

1 stop7h 15m

$314

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sun 11/15

5:40 pm-10:37 pm

1 stop7h 57m

Las Vegas Harry Reid Intl

Wed 11/18

9:40 am-12:50 am

2 stops12h 10m

$319

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Fri 10/23

6:00 am-8:08 pm

1 stop17h 08m

Las Vegas Harry Reid Intl

Mon 10/26

7:50 pm-2:09 pm

2 stops15h 19m

$334

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 10/31

9:45 am-3:17 pm

1 stop8h 32m

Las Vegas Harry Reid Intl

Fri 11/6

12:59 am-2:09 pm

2 stops10h 10m

$334

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Thu 11/5

5:40 pm-10:37 pm

1 stop7h 57m

Las Vegas Harry Reid Intl

Thu 11/12

9:35 am-12:01 am

2 stops11h 26m

$355

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Wed 11/18

7:45 am-4:25 pm

1 stop11h 40m

San Diego

Fri 11/27

12:55 pm-11:55 pm

1 stop8h 00m

$366

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Tue 11/17

7:45 am-4:25 pm

1 stop11h 40m

San Diego

Fri 11/27

12:55 pm-11:55 pm

1 stop8h 00m

$366

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Thu 11/5

5:40 pm-10:37 pm

1 stop7h 57m

Las Vegas Harry Reid Intl

Thu 11/12

9:35 am-12:01 am

2 stops11h 26m

$369

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 $427.

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 $442 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 $359 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

Best Price Found	$182
Fastest flight time	7h 57m
Direct flights	None

The best one-way flight to California from Ottawa in the past 72 hours is $182. The best round-trip flight deal from Ottawa to California found on momondo in the last 72 hours is $269.

The fastest flight from Ottawa to California takes 7h 57m

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 September 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 $204	Free Cancellation	Rating 7.1 11,662 reviews	Search Air Canada flights
WestJet	PriceFrom $263	Free Cancellation	Rating 7.2 3,446 reviews	Search WestJet flights
United Airlines	PriceFrom $312	Free Cancellation	Rating 7.4 10,223 reviews	Search United Airlines flights
Porter Airlines	PriceFrom $316	Free Cancellation	Rating 8.0 462 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.