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Cheap flights from Ottawa to California from C$ 183

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
14 Feb — 21 Feb1
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 15 January 2026.

Round-trip from

C$ 252

One-way from

C$ 183

Popular in

December

Cheapest in

May

Average price

C$ 471
WestJet
  • WestJet
  • 30/4-5/5
  • 2 total stops
  • 17h 31m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 9/3
  • 2 total stops
  • 15h 33m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 15 January 2026.

Thu 30/43:45 p.m.
YOW
-
LAS
1 stop8h 44m
WestJet
Tue 5/512:35 p.m.
LAS
-
YOW
1 stop8h 47m
WestJet
Deal found 12/1C$ 252
Sun 8/26:00 a.m.
YOW
-
LAS
2 stops15h 39m
WestJet
Tue 10/28:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 13/1C$ 288
Fri 10/46:00 a.m.
YOW
-
LAS
2 stops15h 39m
WestJet
Tue 14/41:10 p.m.
LAS
-
YOW
2 stops24h 43m
WestJet
Deal found 12/1C$ 295
Sun 3/56:00 a.m.
YOW
-
LAS
1 stop9h 54m
WestJet
Fri 8/512:35 p.m.
LAS
-
YOW
1 stop8h 47m
WestJet
Deal found 14/1C$ 300
Fri 6/22:15 p.m.
YOW
-
LAS
1 stop10h 42m
United Airlines
Mon 9/211:50 p.m.
LAS
-
YOW
1 stop11h 37m
United Airlines
Deal found 13/1C$ 304
Tue 24/25:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Wed 4/38:00 a.m.
LAS
-
YOW
2 stops13h 39m
WestJet
Deal found 13/1C$ 311
Thu 12/26:40 a.m.
YOW
-
PSP
1 stop9h 41m
Porter Airlines
Thu 19/22:20 p.m.
PSP
-
YOW
1 stop7h 23m
Porter Airlines
Deal found 13/1C$ 334
Tue 19/56:00 a.m.
YOW
-
PSP
1 stop9h 15m
WestJet
Fri 22/51:05 p.m.
PSP
-
YOW
1 stop8h 35m
WestJet
Deal found 13/1C$ 345
Fri 27/27:15 p.m.
YOW
-
PSP
1 stop17h 20m
WestJet
Thu 5/312:35 p.m.
PSP
-
YOW
1 stop9h 05m
WestJet
Deal found 13/1C$ 359
Fri 13/35:11 p.m.
YOW
-
PSP
2 stops19h 33m
United Airlines
Tue 21/45:15 a.m.
PSP
-
YOW
2 stops13h 20m
United Airlines
Deal found 15/1C$ 367
Thu 16/45:45 p.m.
YOW
-
PSP
2 stops18h 50m
WestJet
Sun 19/412:35 p.m.
PSP
-
YOW
1 stop9h 05m
WestJet
Deal found 13/1C$ 374
Sun 15/26:20 a.m.
YOW
-
PSP
2 stops13h 57m
United Airlines
Tue 24/27:00 a.m.
PSP
-
YOW
1 stop7h 07m
United Airlines
Deal found 13/1C$ 378

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 15 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

Fri 10/4

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

1 stop19h 32m

Las Vegas Harry Reid Intl

Tue 14/4

1:10 p.m.-4:53 p.m.

2 stops24h 43m

C$ 293

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 4/2

3:10 p.m.-9:51 p.m.

1 stop9h 41m

Las Vegas Harry Reid Intl

Tue 10/2

6:00 a.m.-9:56 p.m.

2 stops12h 56m

C$ 317

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 25/4

6:00 a.m.-12:30 p.m.

2 stops33h 30m

Las Vegas Harry Reid Intl

Sat 2/5

1:45 p.m.-5:28 a.m.

2 stops12h 43m

C$ 318

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 8/5

7:45 a.m.-7:37 p.m.

2 stops14h 52m

Las Vegas Harry Reid Intl

Sun 10/5

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

2 stops16h 08m

C$ 322

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 23/4

5:45 p.m.-8:16 p.m.

2 stops29h 31m

Las Vegas Harry Reid Intl

Tue 28/4

12:35 p.m.-12:22 a.m.

1 stop8h 47m

C$ 329

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Thu 12/2

6:40 a.m.-1:21 p.m.

1 stop9h 41m

Palm Springs

Thu 19/2

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

1 stop7h 23m

C$ 334

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 24/4

2:40 p.m.-10:13 p.m.

1 stop10h 33m

Las Vegas Harry Reid Intl

Mon 27/4

11:59 p.m.-1:59 p.m.

1 stop11h 00m

C$ 334

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 25/2

6:20 a.m.-5:54 p.m.

1 stop14h 34m

Las Vegas Harry Reid Intl

Wed 4/3

7:05 a.m.-9:18 p.m.

1 stop11h 13m

C$ 334

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 6/3

7:30 p.m.-9:42 a.m.

2 stops17h 12m

Las Vegas Harry Reid Intl

Mon 9/3

11:43 p.m.-2:27 p.m.

1 stop11h 44m

C$ 334

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 24/2

9:45 a.m.-8:31 p.m.

2 stops13h 46m

Las Vegas Harry Reid Intl

Fri 27/2

7:05 p.m.-10:26 a.m.

2 stops12h 21m

C$ 334

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/1

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$ 182). Flying from Ottawa to California in November is currently the most expensive (average of C$ 331). 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 15 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
407 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

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
407 reviews
Porter Airlines
8.0
Very good
407 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

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
9,164 reviews
Porter Airlines
8.0
Very good
407 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

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
3,243 reviews
Porter Airlines
8.0
Very good
407 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

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
10,624 reviews
Porter Airlines
8.0
Very good
407 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

7.9

Food

7.6

Crew

8.6

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 9h 41m. Ottawa and California are separated by a distance of 3442 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$ 182. Porter Airlines flights start at C$ 198 while deals on Air Canada start at C$ 201 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$ 182). Flying from Ottawa to California in November is currently the most expensive (average of C$ 331). 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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 182AverageC$ 550FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 242AverageC$ 439FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 263AverageC$ 650FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 304AverageC$ 465FlexibilityNo cancel feeOn-time52%
Search Porter 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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