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Cheap flights from Ottawa to California from C$ 162

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
24 Dec — 31 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to California

Keep the following information in mind while searching for Ottawa to California flight deals. Data was last updated 24 November 2025.

Round-trip from

C$ 331

One-way from

C$ 162

Popular in

December

Cheapest in

May

Average price

C$ 541
WestJet
  • WestJet
  • 3/5-8/5
  • 2 total stops
  • 17h 29m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 18/1
  • 2 total stops
  • 15h 31m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Ottawa to California

Enter your travel dates to find the best prices.

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 24 November 2025.

Sat 13/125:00 a.m.YOW - LAS
1 stop9h 20mAir Canada
Mon 22/1211:30 p.m.LAS - YOW
1 stop6h 53mAir Canada
Deal found 22/11C$ 437
Tue 9/125:40 a.m.YOW - LAS
1 stop9h 02mMultiple Airlines
Sun 14/1211:25 p.m.LAS - YOW
1 stop22h 17mMultiple Airlines
Deal found 24/11C$ 443
Thu 18/129:45 a.m.YOW - LAS
1 stop16h 00mUnited Airlines
Wed 31/1211:53 p.m.LAS - YOW
1 stop11h 34mUnited Airlines
Deal found 22/11C$ 464
Sat 13/127:30 p.m.YOW - LAS
2 stops18h 46mUnited Airlines
Mon 22/124:05 p.m.LAS - YOW
1 stop18h 27mUnited Airlines
Deal found 22/11C$ 465
Thu 4/123:00 p.m.YOW - LAS
1 stop10h 02mMultiple Airlines
Mon 8/129:15 p.m.LAS - YOW
2 stops16h 38mMultiple Airlines
Deal found 24/11C$ 468
Sat 13/125:40 a.m.YOW - LAS
1 stop9h 02mMultiple Airlines
Sun 14/1211:25 p.m.LAS - YOW
1 stop22h 17mMultiple Airlines
Deal found 24/11C$ 470
Sun 7/125:40 a.m.YOW - PSP
2 stops38h 30mWestJet
Wed 10/1212:35 p.m.PSP - YOW
1 stop9h 05mWestJet
Deal found 24/11C$ 470
Mon 15/124:15 p.m.YOW - LAS
1 stop9h 16mAir Canada
Sat 20/1211:30 p.m.LAS - YOW
1 stop6h 53mAir Canada
Deal found 23/11C$ 474
Fri 5/123:00 p.m.YOW - LAS
1 stop10h 02mMultiple Airlines
Tue 9/1211:20 a.m.LAS - YOW
1 stop26h 33mMultiple Airlines
Deal found 24/11C$ 479
Mon 15/127:00 a.m.YOW - LAX
2 stops33h 11mMultiple Airlines
Wed 7/111:50 a.m.LAX - YOW
1 stop23h 55mMultiple Airlines
Deal found 23/11C$ 482
Wed 10/125:40 a.m.YOW - LAS
1 stop9h 02mMultiple Airlines
Sun 14/1212:40 p.m.LAS - YOW
1 stop9h 02mMultiple Airlines
Deal found 23/11C$ 485
Thu 4/1210:00 a.m.YOW - LAS
1 stop7h 47mMultiple Airlines
Tue 9/128:00 a.m.LAS - YOW
2 stops13h 42mMultiple Airlines
Deal found 24/11C$ 488

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 629,999 searches. Data last updated 24 November 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

OttawaSacramento

YOW - SMF

YOWSMF

Ottawa

Mon 12/1

7:27 p.m.-10:01 a.m.

2 stops17h 34m

Sacramento Intl

Wed 14/1

10:50 a.m.-9:18 p.m.

1 stop7h 28m

C$ 422

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Wed 7/1

5:45 p.m.-9:33 a.m.

2 stops18h 48m

Palm Springs

Mon 12/1

10:25 a.m.-12:40 a.m.

2 stops11h 15m

C$ 427

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Wed 7/1

5:45 p.m.-9:33 a.m.

2 stops18h 48m

Palm Springs

Sun 11/1

1:15 p.m.-6:21 p.m.

2 stops26h 06m

C$ 433

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 7/1

5:45 p.m.-9:31 p.m.

1 stop30h 46m

Las Vegas Harry Reid Intl

Wed 14/1

8:00 a.m.-12:42 a.m.

2 stops13h 42m

C$ 434

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 7/4

6:00 a.m.-6:13 p.m.

1 stop15h 13m

Las Vegas Harry Reid Intl

Sat 11/4

8:05 a.m.-12:39 a.m.

2 stops13h 34m

C$ 436

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 6/3

6:00 a.m.-12:10 p.m.

1 stop9h 10m

San Francisco

Fri 13/3

1:00 p.m.-12:40 a.m.

1 stop8h 40m

C$ 437

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 6/3

6:00 a.m.-12:10 p.m.

1 stop9h 10m

San Francisco

Tue 17/3

1:00 p.m.-4:53 p.m.

1 stop24h 53m

C$ 441

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 2/3

7:15 p.m.-12:10 p.m.

2 stops19h 55m

San Francisco

Thu 12/3

1:00 p.m.-12:40 a.m.

1 stop8h 40m

C$ 441

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 5/3

6:00 a.m.-12:10 p.m.

1 stop9h 10m

San Francisco

Tue 17/3

1:00 p.m.-12:39 a.m.

2 stops32h 39m

C$ 447

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 13/12

7:30 p.m.-11:16 a.m.

2 stops18h 46m

Las Vegas Harry Reid Intl

Mon 22/12

4:05 p.m.-1:32 p.m.

1 stop18h 27m

C$ 465

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/11

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 189). Flying from Ottawa to California in November is currently the most expensive (average of C$ 343). 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 24 November 2025.

One of the essential ways to save on airfare from Ottawa to California is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

What is the cheapest day to fly from Ottawa to California?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to California. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Ottawa to California flight should consider departing on Sunday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 24 November 2025.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet from Ottawa to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
393 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Crew

8.6

Food

7.6

Overall

8.0

Comfort

8.0

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
393 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Crew

8.6

Food

7.6

Overall

8.0

Comfort

8.0

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
9,038 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Crew

8.6

Food

7.6

Overall

8.0

Comfort

8.0

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
3,172 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Crew

8.6

Food

7.6

Overall

8.0

Comfort

8.0

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
10,466 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Crew

8.6

Food

7.6

Overall

8.0

Comfort

8.0

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?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to California. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

  • How long is the flight from Ottawa to California?

    Departing from Ottawa to California will take you 15h 51m. Ottawa and California are separated by a distance of 3903 km. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 173. WestJet flights start at C$ 190 while deals on Air Canada start at C$ 247 one-way.

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

    The most popular flight routes from Ottawa to California are Ottawa - Las Vegas Harry Reid Intl, Ottawa - Los Angeles and Ottawa - San Francisco.

  • 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, April is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 189). Flying from Ottawa to California in November is currently the most expensive (average of C$ 343). 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

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Alternative routes for Ottawa to California

See prices for flight routes from nearby airports that may be better suited for you.
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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 629,999 searches. Data last updated 24 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 218AverageC$ 657FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 247AverageC$ 422FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 310AverageC$ 457FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 333AverageC$ 684FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to California?

Cheapflights helps you search for flights from Ottawa to California via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to California?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to California by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa to California with no change fees?

Certainly. Search results for flights to California from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to California become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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