HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
California

$129+ Cheap flights from Ottawa (YOW) to California

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ottawa to California with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ottawa to California

Cheapest flights from Ottawa to California
Explore the most affordable flight options available from Ottawa to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Trip.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:40 am
YOW
-
LAS
1 stop19h 32m
WestJet
Mon 3/28:05 am
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 1/26$238
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
YOW
-
LAS
1 stop7h 35m
Air Canada
Fri 6/56:45 am
LAS
-
YOW
1 stop11h 00m
Air Canada
Deal found 1/26$240
This Trip.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/233:05 pm
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Mon 3/28:05 am
LAS
-
YOW
2 stops13h 34m
Multiple Airlines
Deal found 1/26$243
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/265:40 am
YOW
-
LAS
1 stop19h 32m
WestJet
Sun 3/2911:25 pm
LAS
-
YOW
1 stop22h 14m
WestJet
Deal found 1/26$244
This Trip.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/163:05 pm
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Mon 3/28:05 am
LAS
-
YOW
2 stops13h 34m
Multiple Airlines
Deal found 1/26$249
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:45 am
YOW
-
LAS
1 stop8h 33m
Air Canada
Fri 2/279:00 am
LAS
-
YOW
1 stop8h 26m
Air Canada
Deal found 1/26$253
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:25 pm
YOW
-
LAS
1 stop20h 15m
WestJet
Fri 5/88:30 am
LAS
-
YOW
2 stops12h 50m
WestJet
Deal found 1/26$259
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/32:40 pm
YOW
-
LAS
1 stop10h 33m
United Airlines
Fri 5/810:40 pm
LAS
-
YOW
1 stop7h 31m
United Airlines
Deal found 1/26$261
This Trip.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/203:05 pm
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Fri 2/2711:25 pm
LAS
-
YOW
1 stop22h 14m
Multiple Airlines
Deal found 1/25$262
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:45 am
YOW
-
LAS
1 stop11h 13m
Air Canada
Thu 4/164:45 pm
LAS
-
YOW
1 stop11h 00m
Air Canada
Deal found 1/26$263
This oojo deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:40 am
YOW
-
LAS
2 stops41h 36m
WestJet
Wed 4/88:05 am
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 1/25$264
This oojo deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:40 am
YOW
-
LAX
2 stops19h 23m
WestJet
Tue 3/37:00 am
LAX
-
YOW
2 stops14h 39m
WestJet
Deal found 1/25$307

Find flight deals from Ottawa to California

Keep the following information in mind while searching for Ottawa to California flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Trip.com)

One-way from

$129
(oojo)

Popular in

December

Cheapest in

May

Average price

$342
Provider with most accurate pricing for Ottawa-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Los Angeles flights.
Search Deals
From Ottawa to California
Search Deals
One-way flight from Ottawa to California
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Ottawa to California that are best for you.

Fly from

Ottawa

Fly to

California

Route

Depart

Return

Price

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 4/18

7:45 am-3:53 pm

1 stop11h 08m

Las Vegas Harry Reid Intl

Sat 4/25

4:50 pm-6:45 am

1 stop10h 55m

$263

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 4/14

7:45 am-3:58 pm

1 stop11h 13m

Las Vegas Harry Reid Intl

Thu 4/16

4:45 pm-6:45 am

1 stop11h 00m

$263

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 3/27

5:40 am-10:12 pm

1 stop19h 32m

Las Vegas Harry Reid Intl

Sun 3/29

11:25 pm-12:39 am

1 stop22h 14m

$268

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 4/14

10:44 am-3:19 pm

1 stop7h 35m

Las Vegas Harry Reid Intl

Thu 4/16

4:35 pm-10:03 am

2 stops14h 28m

$269

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 4/18

3:10 pm-10:45 pm

1 stop10h 35m

Las Vegas Harry Reid Intl

Sat 4/25

7:10 pm-1:59 pm

2 stops15h 49m

$269

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 2/14

7:30 pm-8:56 am

2 stops16h 26m

Las Vegas Harry Reid Intl

Tue 2/17

11:59 pm-5:07 pm

1 stop14h 08m

$284

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sat 5/16

10:44 am-6:39 pm

1 stop10h 55m

Los Angeles

Sat 5/16

9:00 pm-9:11 am

1 stop9h 11m

$309

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Thu 3/12

2:15 pm-1:09 am

1 stop13h 54m

Los Angeles

Mon 3/16

11:10 pm-10:26 am

1 stop8h 16m

$312

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Tue 3/31

5:20 pm-10:44 pm

1 stop8h 24m

Los Angeles

Mon 4/6

11:59 pm-5:07 pm

1 stop14h 08m

$312

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Thu 3/12

5:11 pm-11:59 pm

1 stop9h 48m

Los Angeles

Tue 5/5

12:55 am-1:59 pm

2 stops10h 04m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ottawa to California

Have a flexible travel schedule? Discover the best time to fly to California from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to California

What is the cheapest month to book a flight from Ottawa to California?

Currently, January is the cheapest month in which you can book a flight from Ottawa to California (average of $131). Flying from Ottawa to California in November is currently the most expensive (average of $238). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated January 27, 2026.
Read through reviews of airlines operating flights from Ottawa to California, such as Porter Airlines, United Airlines, and WestJet. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Comfort

7.9

Overall

7.9

Food

7.5

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Comfort

7.9

Overall

7.9

Food

7.5

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,205 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Comfort

7.9

Overall

7.9

Food

7.5

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,251 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Comfort

7.9

Overall

7.9

Food

7.5

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,660 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Comfort

7.9

Overall

7.9

Food

7.5

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Ottawa to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to California?

    Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to California. It is only a 6.6 mi journey to Ottawa (YOW) from Ottawa’s city center.

  • How long is the flight from Ottawa to California?

    Departing from Ottawa to California will take you 7h 35m. Airlines will cover a distance of 2139 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ottawa to California one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $118. Air Canada flights start at $127 while deals on United Airlines start at $132 one-way.

  • What are the most popular routes from Ottawa to California?

    Most travelers choose Ottawa - Las Vegas Harry Reid Intl, Ottawa - Los Angeles or Ottawa - San Francisco when deciding on the best route from Ottawa to California.

  • Can I find deals for flights from Ottawa to California that include hotel bookings?

    Yes. In addition to deals on Ottawa to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to California.

  • Can I find deals for business class flights from Ottawa to California?

    Yes. Cheapflights offers flight deals from Ottawa to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to California?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to California (average of $131). Flying from Ottawa to California in November is currently the most expensive (average of $238). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to California

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Miami flights
Pierre Elliott Trudeau Intl to Miami flights
Toronto Island to Newark flights
Pearson Intl to Orlando flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to Newark flights
Pearson Intl to LaGuardia flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Los Angeles flights
Pearson Intl to Tampa flights
Toronto Island to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to San Francisco flights
Pearson Intl to Seattle flights
Toronto Island to Orlando flights
Pearson Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Reagan-National flights
Pearson Intl to Hobby flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pearson Intl to Boston flights
Toronto Island to Miami flights
Hamilton to Fort Lauderdale flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Fort Myers flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Atlanta flights
Pearson Intl to Nashville flights
Toronto Island to Boston flights
Pierre Elliott Trudeau Intl to Boston flights
Pearson Intl to Dulles Intl flights
Pearson Intl to San Diego flights
Ottawa to Newark flights
Pearson Intl to West Palm Beach flights
Hamilton to Newark flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pearson Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Tampa flights
Pearson Intl to Ontario flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pearson Intl to Midway flights
Ottawa to Orlando flights

Top 4 airlines flying from Ottawa to California

Discover the top 4 airlines that operate flights from Ottawa to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$102Average$473FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$139Average$425FlexibilityNo cancel feeOn-time69%
WestJetCheapest$176Average$277FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$226Average$390FlexibilityNo cancel feeOn-time52%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.