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Cheap flights from Ottawa to California from C$ 148

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

C$ 348

One-way from

C$ 148

Popular in

December

Cheapest in

May

Average price

C$ 445
WestJet
  • WestJet
  • 17/10-8/11
  • 3 total stops
  • 29h 01m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 29/9
  • 2 total stops
  • 15h 31m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ottawa to California

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 September 2025.

Fri 17/105:55 a.m.YOW - LAX
2 stops14h 21mWestJet
Sat 8/117:00 a.m.LAX - YOW
1 stop14h 40mWestJet
Deal found 14/9C$ 348
Sun 19/105:55 a.m.YOW - LAX
2 stops14h 21mWestJet
Sun 26/105:45 p.m.LAX - YOW
2 stops27h 57mWestJet
Deal found 14/9C$ 351
Thu 30/105:40 a.m.YOW - LAX
2 stops17h 10mWestJet
Thu 6/1111:50 a.m.LAX - YOW
2 stops33h 52mWestJet
Deal found 15/9C$ 355
Wed 19/115:40 a.m.YOW - LAX
2 stops14h 18mWestJet
Tue 25/117:00 a.m.LAX - YOW
1 stop30h 53mWestJet
Deal found 15/9C$ 358
Thu 30/105:40 a.m.YOW - LAS
1 stop9h 18mWestJet
Mon 3/119:15 p.m.LAS - YOW
2 stops16h 38mWestJet
Deal found 16/9C$ 359
Fri 24/105:55 a.m.YOW - LAS
1 stop8h 44mMultiple Airlines
Mon 27/1010:07 p.m.LAS - YOW
1 stop16h 18mMultiple Airlines
Deal found 16/9C$ 361
Mon 13/105:55 a.m.YOW - LAX
2 stops18h 51mWestJet
Tue 14/1012:35 p.m.LAX - YOW
2 stops24h 44mWestJet
Deal found 15/9C$ 361
Thu 27/116:00 a.m.YOW - LAS
1 stop15h 11mWestJet
Fri 5/121:10 p.m.LAS - YOW
1 stop8h 32mWestJet
Deal found 15/9C$ 363
Fri 17/102:45 p.m.YOW - LAX
1 stop13h 00mUnited Airlines
Fri 7/1112:25 a.m.LAX - YOW
1 stop7h 01mUnited Airlines
Deal found 15/9C$ 363
Fri 28/115:40 a.m.YOW - LAS
2 stops18h 51mWestJet
Fri 5/129:15 p.m.LAS - YOW
2 stops24h 27mWestJet
Deal found 15/9C$ 367
Mon 29/97:50 a.m.YOW - LAS
3 stops26h 50mMultiple Airlines
Thu 2/103:55 p.m.LAS - YOW
2 stops11h 50mMultiple Airlines
Deal found 15/9C$ 369
Sat 29/116:00 a.m.YOW - LAS
1 stop15h 11mWestJet
Thu 4/121:10 p.m.LAS - YOW
1 stop8h 32mWestJet
Deal found 15/9C$ 370

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 September 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

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sun 19/10

5:55 a.m.-5:16 p.m.

2 stops14h 21m

Los Angeles

Sun 26/10

5:45 p.m.-12:42 a.m.

2 stops27h 57m

C$ 351

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 17/10

5:55 a.m.-5:16 p.m.

2 stops14h 21m

Los Angeles

Sat 8/11

11:50 a.m.-4:53 p.m.

2 stops26h 03m

C$ 354

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 24/10

5:25 p.m.-11:59 p.m.

1 stop9h 34m

Los Angeles

Sat 1/11

6:00 a.m.-5:12 p.m.

1 stop8h 12m

C$ 363

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 17/10

6:33 a.m.-9:01 p.m.

1 stop17h 28m

Los Angeles

Sat 8/11

11:20 p.m.-10:26 a.m.

1 stop8h 06m

C$ 363

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sat 18/10

5:25 p.m.-10:40 p.m.

1 stop8h 15m

Los Angeles

Fri 7/11

12:25 a.m.-10:26 a.m.

1 stop7h 01m

C$ 363

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 30/1

5:40 a.m.-7:50 p.m.

2 stops17h 10m

Los Angeles

Sun 8/2

12:15 p.m.-12:40 a.m.

1 stop9h 25m

C$ 367

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 13/11

5:40 a.m.-11:58 a.m.

1 stop9h 18m

Las Vegas Harry Reid Intl

Mon 17/11

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

1 stop18h 48m

C$ 369

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 30/10

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

2 stops17h 35m

Las Vegas Harry Reid Intl

Tue 4/11

7:05 p.m.-12:42 a.m.

2 stops26h 37m

C$ 379

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Mon 3/11

5:40 a.m.-10:03 p.m.

2 stops19h 23m

Los Angeles

Fri 14/11

8:40 p.m.-12:42 a.m.

2 stops25h 02m

C$ 381

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 29/10

6:45 a.m.-11:42 a.m.

1 stop7h 57m

Las Vegas Harry Reid Intl

Wed 5/11

11:30 p.m.-9:23 a.m.

1 stop6h 53m

C$ 383

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

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, May is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 231). Flying from Ottawa to California in March is currently the most expensive (average of C$ 295). 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 September 2025.

When flying from Ottawa to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 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
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,924 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,093 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.0

Food

7.6

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 34m. Ottawa and California are separated by a distance of 3819 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$ 148. Air Canada flights start at C$ 171 while deals on United Airlines start at C$ 185 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, May is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 231). Flying from Ottawa to California in March is currently the most expensive (average of C$ 295). 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 242AverageC$ 440FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 306AverageC$ 502FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 312AverageC$ 729FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 326AverageC$ 703FlexibilityNo 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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