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Cheap flights from Ottawa to California from C$ 245

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
31 Aug — 7 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 1 August 2026.

Fri 11/912:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Fri 18/94:30 p.m.
LAS
-
YOW
1 stop10h 05m
WestJet
Deal found 27/7C$ 398
Sat 5/912:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Sat 12/98:30 a.m.
LAS
-
YOW
2 stops24h 05m
WestJet
Deal found 27/7C$ 405
Thu 8/1012:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Thu 15/104:30 p.m.
LAS
-
YOW
1 stop10h 05m
WestJet
Deal found 27/7C$ 412
Mon 12/1012:25 p.m.
YOW
-
LAS
1 stop9h 05m
WestJet
Thu 15/104:30 p.m.
LAS
-
YOW
1 stop10h 05m
WestJet
Deal found 28/7C$ 414
Sat 15/81:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Wed 19/86:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 27/7C$ 416
Sun 16/81:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Wed 19/81:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 27/7C$ 432
Fri 14/812:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Wed 19/86:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 27/7C$ 433
Tue 20/107:20 a.m.
YOW
-
SAN
1 stop9h 50m
WestJet
Thu 22/103:30 p.m.
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 31/7C$ 460
Sun 13/97:20 a.m.
YOW
-
SAN
2 stops29h 23m
Multiple Airlines
Thu 17/93:30 p.m.
SAN
-
YOW
1 stop11h 05m
Multiple Airlines
Deal found 31/7C$ 461
Sun 13/97:20 a.m.
YOW
-
SAN
1 stop9h 50m
WestJet
Thu 17/93:30 p.m.
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 31/7C$ 465
Sun 18/1012:25 p.m.
YOW
-
LAX
2 stops12h 40m
WestJet
Wed 21/106:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Deal found 31/7C$ 478
Thu 1/108:15 p.m.
YOW
-
LAX
1 stop28h 50m
WestJet
Fri 16/1012:10 p.m.
LAX
-
YOW
2 stops14h 25m
WestJet
Deal found 31/7C$ 479

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 1 August 2026.

Round-trip from

C$ 398

One-way from

C$ 245

Popular in

December

Cheapest in

October

Average price

C$ 576
WestJet
  • WestJet
  • 11/9-18/9
  • 3 total stops
  • 22h 20m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 13/9
  • 2 total stops
  • 12h 15m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 30 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 1 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

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sun 18/10

12:25 p.m.-10:05 p.m.

2 stops12h 40m

Los Angeles

Wed 21/10

6:05 p.m.-5:35 a.m.

1 stop8h 30m

C$ 478

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 28/8

6:25 a.m.-3:41 p.m.

2 stops12h 16m

Las Vegas Harry Reid Intl

Mon 31/8

4:34 p.m.-1:59 p.m.

2 stops18h 25m

C$ 488

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 11/8

10:00 a.m.-2:59 p.m.

1 stop7h 59m

Las Vegas Harry Reid Intl

Fri 14/8

6:05 p.m.-9:56 a.m.

2 stops12h 51m

C$ 488

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 17/8

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

1 stop10h 41m

Las Vegas Harry Reid Intl

Fri 21/8

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

2 stops9h 03m

C$ 489

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 18/8

6:00 a.m.-2:39 p.m.

2 stops11h 39m

Las Vegas Harry Reid Intl

Tue 18/8

10:38 p.m.-9:11 a.m.

1 stop7h 33m

C$ 489

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 18/8

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

3 stops13h 02m

Las Vegas Harry Reid Intl

Thu 20/8

11:57 p.m.-9:56 a.m.

1 stop6h 59m

C$ 489

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 17/8

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

1 stop10h 41m

Las Vegas Harry Reid Intl

Tue 18/8

9:08 a.m.-9:35 p.m.

1 stop9h 27m

C$ 489

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 13/8

10:37 a.m.-10:52 p.m.

1 stop15h 15m

Las Vegas Harry Reid Intl

Sat 22/8

1:23 p.m.-11:54 p.m.

1 stop7h 31m

C$ 489

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 12/8

6:25 a.m.-6:39 p.m.

1 stop15h 14m

Las Vegas Harry Reid Intl

Sat 22/8

1:23 p.m.-11:54 p.m.

1 stop7h 31m

C$ 489

OttawaSanta Ana

YOW - SNA

YOWSNA

Ottawa

Fri 28/8

6:05 a.m.-5:24 p.m.

1 stop14h 19m

Santa Ana J. Wayne/Orange Cnty

Fri 4/9

3:10 p.m.-1:59 p.m.

2 stops19h 49m

C$ 502

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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$ 506). Flying from Ottawa to California in December is currently the most expensive (average of C$ 705). 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$ 493 and C$ 761 in October.
The cheapest round-trip price found within the last 5 days was C$ 478 on WestJet (18 Oct-21 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 72 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 1 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
449 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.5

Comfort

8.0

Crew

8.6

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
449 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.5

Comfort

8.0

Crew

8.6

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
10,062 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.5

Comfort

8.0

Crew

8.6

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
3,424 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.5

Comfort

8.0

Crew

8.6

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
11,415 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.5

Comfort

8.0

Crew

8.6

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 8h 20m. 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 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$ 238 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, October is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 506). Flying from Ottawa to California in December is currently the most expensive (average of C$ 705). 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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 317AverageC$ 668FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 324AverageC$ 498FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 385AverageC$ 697FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 397AverageC$ 613FlexibilityNo 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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