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Cheap flights from Ottawa to California from C$ 176

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 December 2025.

Tue 30/126:00 a.m.YOW - LAX
1 stop10h 35mUnited Airlines
Thu 8/112:40 p.m.LAX - YOW
1 stop8h 14mUnited Airlines
Deal found 13/12C$ 586
Wed 31/123:40 p.m.YOW - SFO
2 stops43h 08mMultiple Airlines
Sun 1/310:15 a.m.SFO - YOW
1 stop25h 29mMultiple Airlines
Deal found 15/12C$ 658
Fri 19/127:27 p.m.YOW - SJC
2 stops21h 06mUnited Airlines
Sun 18/18:40 a.m.SJC - YOW
2 stops12h 14mUnited Airlines
Deal found 13/12C$ 666
Wed 31/123:40 p.m.YOW - SFO
2 stops43h 08mMultiple Airlines
Thu 5/31:00 p.m.SFO - YOW
1 stop8h 40mMultiple Airlines
Deal found 15/12C$ 676
Wed 31/129:25 a.m.YOW - SFO
2 stops17h 59mMultiple Airlines
Tue 3/310:15 a.m.SFO - YOW
1 stop25h 29mMultiple Airlines
Deal found 15/12C$ 713
Mon 22/126:15 a.m.YOW - LAS
2 stops11h 35mUnited Airlines
Sat 27/1211:59 p.m.LAS - YOW
1 stop14h 19mUnited Airlines
Deal found 16/12C$ 719
Wed 31/129:25 a.m.YOW - SFO
2 stops17h 59mMultiple Airlines
Thu 26/210:15 a.m.SFO - YOW
1 stop25h 30mMultiple Airlines
Deal found 15/12C$ 726
Wed 31/123:40 p.m.YOW - SFO
2 stops43h 08mMultiple Airlines
Mon 23/21:45 p.m.SFO - YOW
1 stop7h 54mMultiple Airlines
Deal found 15/12C$ 742
Wed 31/123:40 p.m.YOW - SFO
2 stops43h 08mMultiple Airlines
Sat 21/21:45 p.m.SFO - YOW
1 stop7h 54mMultiple Airlines
Deal found 15/12C$ 756
Wed 31/123:40 p.m.YOW - SFO
2 stops43h 08mMultiple Airlines
Wed 4/31:45 p.m.SFO - YOW
1 stop7h 54mMultiple Airlines
Deal found 15/12C$ 760
Wed 31/123:40 p.m.YOW - SFO
2 stops43h 08mMultiple Airlines
Wed 25/21:45 p.m.SFO - YOW
1 stop7h 54mMultiple Airlines
Deal found 15/12C$ 761
Sat 20/126:45 a.m.YOW - SFO
1 stop8h 55mMultiple Airlines
Wed 7/17:55 p.m.SFO - YOW
2 stops39h 50mMultiple Airlines
Deal found 16/12C$ 764

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 16 December 2025.

Round-trip from

C$ 322

One-way from

C$ 176

Popular in

December

Cheapest in

May

Average price

C$ 694
WestJet
  • WestJet
  • 27/4-11/5
  • 2 total stops
  • 17h 29m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 29/1
  • 2 total stops
  • 15h 31m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 34 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 629,999 searches. Data last updated 16 December 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

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 15/1

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

1 stop9h 12m

San Francisco

Thu 22/1

10:15 a.m.-6:21 p.m.

2 stops29h 06m

C$ 341

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sun 18/1

6:45 a.m.-12:43 p.m.

1 stop8h 58m

San Francisco

Wed 21/1

1:45 p.m.-12:43 a.m.

1 stop7h 58m

C$ 359

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 29/1

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

1 stop9h 12m

San Francisco

Tue 3/2

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

1 stop24h 53m

C$ 369

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 30/1

6:45 a.m.-12:43 p.m.

1 stop8h 58m

San Francisco

Fri 6/2

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

1 stop8h 40m

C$ 380

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 15/5

3:45 p.m.-9:24 p.m.

1 stop8h 39m

San Francisco

Fri 29/5

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 383

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 24/4

5:40 a.m.-8:16 p.m.

2 stops17h 36m

Las Vegas Harry Reid Intl

Mon 27/4

9:10 p.m.-4:18 p.m.

2 stops16h 08m

C$ 408

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Mon 30/3

7:40 p.m.-9:57 a.m.

2 stops17h 17m

Palm Springs

Tue 31/3

4:40 p.m.-10:03 a.m.

2 stops14h 23m

C$ 409

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Mon 19/1

7:27 p.m.-9:13 a.m.

2 stops16h 46m

Palm Springs

Fri 23/1

10:19 a.m.-11:54 p.m.

2 stops10h 35m

C$ 409

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 13/4

5:25 p.m.-10:44 p.m.

1 stop8h 19m

San Diego

Wed 15/4

10:25 p.m.-1:45 p.m.

1 stop12h 20m

C$ 409

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 19/1

5:40 a.m.-9:31 p.m.

2 stops18h 51m

Las Vegas Harry Reid Intl

Tue 20/1

7:05 p.m.-4:53 p.m.

1 stop18h 48m

C$ 410

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/12

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, January is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 180). Flying from Ottawa to California in November is currently the most expensive (average of C$ 328). 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 16 December 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 16 December 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
399 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Comfort

7.9

Crew

8.6

Overall

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
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Comfort

7.9

Crew

8.6

Overall

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
9,094 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Comfort

7.9

Crew

8.6

Overall

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
3,202 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Comfort

7.9

Crew

8.6

Overall

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
10,531 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Comfort

7.9

Crew

8.6

Overall

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 8h 58m. Ottawa and California are separated by a distance of 3925 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 WestJet, which is currently one of the cheapest options available, starting at C$ 180. Porter Airlines flights start at C$ 189 while deals on Air Canada start at C$ 199 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, January is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 180). Flying from Ottawa to California in November is currently the most expensive (average of C$ 328). 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 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 213AverageC$ 539FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 241AverageC$ 441FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 302AverageC$ 453FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 326AverageC$ 644FlexibilityNo 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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