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Cheap flights from Ottawa to California from C$ 188

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
1 Feb — 8 Feb1
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 2 January 2026.

Tue 30/128:25 p.m.YOW - LAS
1 stop17h 55mAir Canada
Sun 4/111:30 p.m.LAS - YOW
1 stop6h 53mAir Canada
Deal found 30/12C$ 1,372
Tue 30/122:15 p.m.YOW - LAS
2 stops21h 53mUnited Airlines
Sat 3/112:59 a.m.LAS - YOW
2 stops10h 28mUnited Airlines
Deal found 30/12C$ 1,672

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 2 January 2026.

Round-trip from

C$ 281

One-way from

C$ 188

Popular in

December

Cheapest in

May

Average price

C$ 442
WestJet
  • WestJet
  • 6/4-8/4
  • 4 total stops
  • 29h 07m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 10/2
  • 2 total stops
  • 15h 33m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 33 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 629,999 searches. Data last updated 2 January 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

Tue 10/3

5:40 a.m.-6:13 p.m.

2 stops15h 33m

Las Vegas Harry Reid Intl

Tue 17/3

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

2 stops13h 34m

C$ 317

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 24/1

5:40 a.m.-8:15 p.m.

2 stops17h 35m

Las Vegas Harry Reid Intl

Sat 31/1

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

2 stops13h 42m

C$ 332

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 8/5

5:55 a.m.-5:34 p.m.

2 stops14h 39m

Las Vegas Harry Reid Intl

Tue 12/5

8:00 a.m.-12:22 a.m.

2 stops13h 22m

C$ 332

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 18/1

5:40 a.m.-8:15 p.m.

2 stops17h 35m

Las Vegas Harry Reid Intl

Thu 22/1

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

2 stops13h 42m

C$ 365

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Sat 7/3

5:40 a.m.-8:35 a.m.

2 stops29h 55m

Palm Springs

Fri 13/3

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

2 stops11h 15m

C$ 372

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Sat 17/1

5:00 a.m.-10:39 a.m.

1 stop8h 39m

Palm Springs

Mon 19/1

11:25 a.m.-11:08 p.m.

1 stop8h 43m

C$ 377

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Sat 7/3

5:40 a.m.-8:35 a.m.

2 stops29h 55m

Palm Springs

Sun 15/3

1:15 p.m.-6:23 p.m.

2 stops26h 08m

C$ 380

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 26/3

5:40 a.m.-10:12 p.m.

1 stop19h 32m

Las Vegas Harry Reid Intl

Sun 29/3

11:25 p.m.-12:39 a.m.

1 stop22h 14m

C$ 392

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Fri 6/2

7:15 p.m.-9:35 a.m.

1 stop17h 20m

Palm Springs

Sat 14/2

2:20 p.m.-12:43 a.m.

1 stop7h 23m

C$ 395

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Fri 6/2

7:15 p.m.-9:35 a.m.

1 stop17h 20m

Palm Springs

Sat 14/2

10:25 a.m.-12:39 a.m.

2 stops35h 14m

C$ 398

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/12

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$ 327). 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 2 January 2026.
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
403 reviews
Check prices

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

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
403 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

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
9,132 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

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
3,229 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

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
10,571 reviews
Porter Airlines
8.0
Very good
403 reviews
Check prices

Entertainment

7.0

Crew

8.6

Food

7.6

Boarding

8.2

Comfort

8.0

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 39m. Ottawa and California are separated by a distance of 3677 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$ 195 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 Diego.

  • 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$ 327). 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

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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 2 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 212AverageC$ 539FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 240AverageC$ 437FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 300AverageC$ 457FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 325AverageC$ 641FlexibilityNo 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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