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Cheap flights from Ottawa to California from C$ 225

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
6 Sep — 13 Sep1
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 7 August 2026.

Thu 3/912:25 p.m. -
2 stops12h 15m
Thu 10/94:30 p.m. -
1 stop10h 05m
Deal found 6/8C$ 368
Fri 11/97:20 a.m. -
1 stop9h 50m
Tue 15/93:30 p.m. -
1 stop11h 05m
Deal found 7/8C$ 377
Mon 12/1012:25 p.m. -
1 stop9h 05m
Thu 15/104:30 p.m. -
1 stop10h 05m
Deal found 7/8C$ 384
Thu 3/912:25 p.m. -
2 stops12h 15m
Sun 13/94:30 p.m. -
1 stop10h 05m
Deal found 6/8C$ 396
Mon 12/1012:25 p.m. -
1 stop9h 05m
Fri 16/104:15 p.m. -
2 stops10h 20m
Deal found 7/8C$ 411
Mon 12/1012:25 p.m. -
1 stop9h 05m
Tue 20/106:10 p.m. -
1 stop8h 25m
Deal found 6/8C$ 412
Fri 4/96:00 a.m. -
1 stop9h 55m
Fri 11/96:10 p.m. -
1 stop8h 25m
Deal found 6/8C$ 417
Sun 20/912:25 p.m. -
2 stops12h 15m
Thu 24/94:30 p.m. -
1 stop10h 05m
Deal found 6/8C$ 418
Thu 10/96:55 a.m. -
2 stops13h 05m
Thu 17/95:50 p.m. -
1 stop8h 45m
Deal found 6/8C$ 419
Sat 19/91:20 p.m. -
1 stop11h 20m
Thu 24/94:30 p.m. -
1 stop10h 05m
Deal found 7/8C$ 425
Sun 6/96:00 a.m. -
1 stop9h 00m
Tue 8/96:00 a.m. -
1 stop10h 20m
Deal found 6/8C$ 461
Fri 28/86:00 a.m. -
1 stop9h 00m
Sun 6/96:05 p.m. -
1 stop8h 30m
Deal found 6/8C$ 463

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 7 August 2026.

Round-trip from

C$ 368

One-way from

C$ 225

Popular in

December

Cheapest in

October

Average price

C$ 600
WestJet
  • WestJet
  • 3/9-10/9
  • 3 total stops
  • 22h 20m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 2/9
  • 2 total stops
  • 12h 15m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 7 August 2026.
Use the filters below to find and compare flights from Ottawa to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSanta Ana

YOW Ottawa - SNA Santa Ana J. Wayne/Orange Cnty

YOWSNA

Ottawa

Thu 10/9

6:55 a.m.-5:00 p.m.

2 stops13h 05m

Santa Ana J. Wayne/Orange Cnty

Thu 17/9

5:50 p.m.-5:35 a.m.

1 stop8h 45m

C$ 419

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 29/8

12:25 p.m.-9:40 p.m.

2 stops12h 15m

Las Vegas Harry Reid Intl

Mon 31/8

8:30 a.m.-11:35 a.m.

2 stops24h 05m

C$ 440

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 26/9

12:25 p.m.-9:40 p.m.

2 stops12h 15m

Las Vegas Harry Reid Intl

Wed 30/9

6:10 p.m.-5:35 a.m.

1 stop8h 25m

C$ 457

OttawaSanta Ana

YOW Ottawa - SNA Santa Ana J. Wayne/Orange Cnty

YOWSNA

Ottawa

Thu 27/8

6:25 a.m.-1:53 p.m.

2 stops10h 28m

Santa Ana J. Wayne/Orange Cnty

Sun 6/9

11:10 a.m.-9:56 a.m.

2 stops19h 46m

C$ 500

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Fri 2/10

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Sun 11/10

1:00 p.m.-5:35 a.m.

1 stop13h 35m

C$ 514

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Tue 25/8

6:00 a.m.-4:02 p.m.

3 stops13h 02m

Las Vegas Harry Reid Intl

Wed 26/8

11:51 a.m.-11:54 p.m.

2 stops9h 03m

C$ 519

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 19/9

6:00 a.m.-6:54 p.m.

3 stops15h 54m

Las Vegas Harry Reid Intl

Wed 23/9

9:37 a.m.-10:35 p.m.

2 stops9h 58m

C$ 520

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Tue 1/12

4:36 p.m.-11:44 p.m.

1 stop10h 08m

Las Vegas Harry Reid Intl

Tue 8/12

11:00 p.m.-7:27 p.m.

1 stop17h 27m

C$ 521

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Wed 7/10

6:55 a.m.-4:40 p.m.

2 stops12h 45m

San Francisco

Tue 13/10

1:00 p.m.-12:30 p.m.

2 stops20h 30m

C$ 544

OttawaSanta Ana

YOW Ottawa - SNA Santa Ana J. Wayne/Orange Cnty

YOWSNA

Ottawa

Thu 10/9

6:00 a.m.-7:11 p.m.

3 stops16h 11m

Santa Ana J. Wayne/Orange Cnty

Thu 17/9

6:25 p.m.-9:56 a.m.

2 stops12h 31m

C$ 554

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 537). Flying from Ottawa to California in December is currently the most expensive (average of C$ 709). 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.

How much does it cost to fly round-trip from Ottawa to California?

Airfare is below average for this route at the moment.
Ottawa to California flights typically cost between C$ 514 and C$ 780 in October.
The cheapest round-trip price found within the last 5 days was C$ 468 on WestJet (3 Oct-17 Oct).

How far ahead should I book a flight from Ottawa to California?

To ensure you get the cheapest price possible for a flight from Ottawa to California, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 7 August 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
450 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.5

Boarding

8.2

Overall

8.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
450 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.5

Boarding

8.2

Overall

8.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,085 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.5

Boarding

8.2

Overall

8.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,426 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.5

Boarding

8.2

Overall

8.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,450 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.5

Boarding

8.2

Overall

8.0

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 10h 28m. Ottawa and California are separated by a distance of 3793 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$ 188. WestJet flights start at C$ 219 while deals on Air Canada start at C$ 237 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 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, October is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 537). Flying from Ottawa to California in December is currently the most expensive (average of C$ 709). 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 7 August 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 316AverageC$ 666FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 323AverageC$ 497FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 384AverageC$ 695FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 396AverageC$ 611FlexibilityNo 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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