HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
California

$131+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/10. 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.
Fri 12/125:40 amYOW - LAS
1 stop9h 18mWestJet
Mon 12/1511:25 pmLAS - YOW
1 stop22h 17mWestJet
Deal found 12/10$379
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/315:59 pmYOW - LAX
2 stops16h 41mUnited Airlines
Tue 1/69:30 pmLAX - YOW
1 stop13h 57mUnited Airlines
Deal found 12/10$447
This oojo deal was found by Cheapflights users on 12/11. 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.
Fri 12/127:15 pmYOW - LAS
2 stops29h 16mWestJet
Wed 12/177:05 pmLAS - YOW
1 stop26h 35mWestJet
Deal found 12/11$457
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/159:35 amYOW - LAX
2 stops36h 03mMultiple Airlines
Tue 2/248:16 amLAX - YOW
1 stop30h 09mMultiple Airlines
Deal found 12/10$473
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:40 amYOW - LAS
1 stop9h 18mWestJet
Tue 12/167:05 pmLAS - YOW
2 stops26h 37mWestJet
Deal found 12/9$476
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Mon 12/152:17 pmYOW - SJC
2 stops26h 15mUnited Airlines
Thu 1/84:00 pmSJC - YOW
2 stops26h 18mUnited Airlines
Deal found 12/9$482
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/159:35 amYOW - LAS
2 stops29h 05mMultiple Airlines
Wed 12/1712:40 pmLAS - YOW
1 stop9h 02mMultiple Airlines
Deal found 12/10$500
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Tue 12/306:00 amYOW - LAX
1 stop10h 35mUnited Airlines
Thu 1/16:40 amLAX - YOW
2 stops12h 16mUnited Airlines
Deal found 12/11$500
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Wed 12/247:27 pmYOW - LAX
2 stops15h 13mUnited Airlines
Mon 12/2912:25 amLAX - YOW
1 stop13h 53mUnited Airlines
Deal found 12/9$527
This oojo deal was found by Cheapflights users on 12/9. 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.
Sun 12/215:45 pmYOW - LAS
2 stops18h 29mWestJet
Wed 12/318:00 amLAS - YOW
2 stops13h 42mWestJet
Deal found 12/9$531
This oojo deal was found by Cheapflights users on 12/10. 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.
Mon 12/157:15 pmYOW - LAS
2 stops20h 04mWestJet
Mon 12/227:05 pmLAS - YOW
2 stops26h 37mWestJet
Deal found 12/10$536
This oojo deal was found by Cheapflights users on 12/9. 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.
Sun 12/215:45 pmYOW - LAX
1 stop31h 18mWestJet
Wed 12/317:00 amLAX - YOW
2 stops14h 42mWestJet
Deal found 12/9$541

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$293
(FlightHub)

One-way from

$131
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$503
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. 22% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
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

Sun 5/24

7:45 am-7:37 pm

2 stops14h 52m

Las Vegas Harry Reid Intl

Thu 5/28

1:25 pm-6:55 am

2 stops14h 30m

$295

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 2/24

5:40 am-6:13 pm

2 stops15h 33m

Las Vegas Harry Reid Intl

Sun 3/1

11:25 pm-12:39 am

1 stop22h 14m

$301

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 4/14

6:00 am-10:50 pm

3 stops19h 50m

San Jose

Sat 4/18

3:49 pm-10:03 am

2 stops15h 14m

$303

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Wed 1/7

7:27 pm-1:39 pm

2 stops21h 12m

San Jose

Mon 1/12

4:00 pm-5:12 pm

2 stops22h 12m

$303

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 1/15

5:40 am-10:09 pm

1 stop19h 29m

Las Vegas Harry Reid Intl

Thu 1/22

8:00 am-12:40 am

1 stop13h 40m

$305

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 4/24

5:40 am-10:12 pm

1 stop19h 32m

Las Vegas Harry Reid Intl

Mon 4/27

9:10 pm-2:55 pm

2 stops14h 45m

$308

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sun 1/25

5:40 am-12:38 pm

1 stop9h 58m

San Francisco

Sun 2/1

10:15 am-2:45 pm

1 stop25h 30m

$314

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 3/26

5:40 am-9:33 pm

2 stops18h 53m

Las Vegas Harry Reid Intl

Mon 3/30

9:15 pm-4:53 pm

2 stops16h 38m

$319

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 5/24

1:05 pm-6:40 pm

1 stop8h 35m

Las Vegas Harry Reid Intl

Fri 5/29

10:00 am-12:40 am

2 stops11h 40m

$319

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 5/25

6:15 am-5:34 pm

2 stops14h 19m

Las Vegas Harry Reid Intl

Fri 5/29

10:00 am-12:40 am

2 stops11h 40m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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.

What is the cheapest time of day to fly from YOW to CA?

Find hourly flight availability from Ottawa to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 35% on flights from Ottawa to California by exploring options for tickets in the evening.

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 December 12, 2025.
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
8.0
Very good
397 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.0

Food

7.6

Boarding

8.2

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
8.0
Very good
397 reviews
Porter Airlines
8.0
Very good
397 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.0

Food

7.6

Boarding

8.2

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
9,095 reviews
Porter Airlines
8.0
Very good
397 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.0

Food

7.6

Boarding

8.2

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
3,194 reviews
Porter Airlines
8.0
Very good
397 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.0

Food

7.6

Boarding

8.2

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
10,514 reviews
Porter Airlines
8.0
Very good
397 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.0

Food

7.6

Boarding

8.2

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 8h 53m. Airlines will cover a distance of 2439 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 - San Francisco or Ottawa - Los Angeles 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.
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Newark flights
Toronto Island to Newark flights
Pearson Intl to Miami flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Los Angeles flights
Pearson Intl to Las Vegas flights
Pearson Intl to Orlando flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Hobby flights
Pearson Intl to Tampa flights
Toronto Island to Fort Lauderdale flights
Toronto Island to Orlando flights
Pearson Intl to San Francisco flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Orlando flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Boston flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Seattle flights
Hamilton to Fort Lauderdale flights
Pearson Intl to Reagan-National flights
Pearson Intl to Fort Myers flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to Boston flights
Toronto Island to Miami flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Atlanta flights
Pearson Intl to West Palm Beach flights
Ottawa to Fort Lauderdale flights
Pearson Intl to Nashville flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Ontario flights
Ottawa to Orlando flights
Pearson Intl to Austin flights
Pearson Intl to San Diego flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pearson Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Atlanta flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pearson Intl to Philadelphia flights
Pierre Elliott Trudeau Intl to Hobby 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$171Average$430FlexibilityNo cancel feeOn-time69%
WestJetCheapest$176Average$303FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$204Average$467FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$232Average$371FlexibilityNo 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.