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Cheap flights from Ottawa to California from C$ 150

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
20 Apr — 27 Apr1
1 adult

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 April 2025.

Round-trip from

C$ 236

One-way from

C$ 150

Popular in

December

Cheapest in

January

Average price

C$ 438
WestJet
  • WestJet
  • 30/5-6/6
  • 3 total stops
  • 20h 37m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 8/6
  • 1 total stop
  • 11h 12m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 15 April 2025.

Fri 30/53:35 p.m.YOW - LAX
1 stop9h 12mWestJet
Fri 6/63:00 p.m.LAX - YOW
2 stops11h 25mWestJet
Deal found 15/4C$ 236
Sat 18/103:45 p.m.YOW - LAS
1 stop8h 44mWestJet
Wed 22/1011:30 a.m.LAS - YOW
1 stop10h 10mWestJet
Deal found 14/4C$ 277
Fri 30/54:40 p.m.YOW - LAS
1 stop8h 18mPorter Airlines
Fri 6/612:20 p.m.LAS - YOW
Nonstop4h 35mPorter Airlines
Deal found 15/4C$ 284
Tue 29/46:15 a.m.YOW - LAX
1 stop9h 05mMultiple Airlines
Sat 31/56:05 p.m.LAX - YOW
1 stop9h 40mMultiple Airlines
Deal found 15/4C$ 295
Tue 29/46:33 a.m.YOW - LAX
2 stops11h 34mUnited Airlines
Tue 6/59:05 p.m.LAX - YOW
1 stop9h 53mUnited Airlines
Deal found 15/4C$ 303
Mon 12/512:20 p.m.YOW - LAS
1 stop9h 22mMultiple Airlines
Tue 13/59:55 a.m.LAS - YOW
1 stop11h 27mMultiple Airlines
Deal found 15/4C$ 310
Tue 13/510:25 a.m.YOW - LAS
2 stops14h 30mUnited Airlines
Tue 13/512:59 a.m.LAS - YOW
2 stops10h 28mUnited Airlines
Deal found 15/4C$ 327
Mon 23/66:40 a.m.YOW - LAS
1 stop14h 00mAir Canada
Mon 23/611:10 p.m.LAS - YOW
1 stop11h 54mAir Canada
Deal found 15/4C$ 328
Sun 11/59:05 a.m.YOW - LAS
Nonstop5h 20mAir Transat
Fri 16/512:20 p.m.LAS - YOW
Nonstop4h 35mAir Transat
Deal found 15/4C$ 346
Thu 3/75:45 a.m.YOW - SFO
1 stop11h 14mWestJet
Mon 7/712:50 p.m.SFO - YOW
2 stops13h 35mWestJet
Deal found 15/4C$ 346
Fri 30/56:00 a.m.YOW - PSP
1 stop9h 17mWestJet
Fri 6/61:05 p.m.PSP - YOW
1 stop8h 36mWestJet
Deal found 15/4C$ 350
Tue 5/82:25 p.m.YOW - SAN
1 stop8h 13mAir Canada
Tue 12/810:30 p.m.SAN - YOW
1 stop15h 36mAir Canada
Deal found 14/4C$ 355

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 April 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

Fri 30/5

3:35 p.m.-9:47 p.m.

1 stop9h 12m

Los Angeles

Fri 6/6

3:00 p.m.-5:25 a.m.

2 stops11h 25m

C$ 236

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 3/9

7:50 a.m.-7:37 p.m.

2 stops14h 47m

Las Vegas Harry Reid Intl

Wed 8/10

1:25 p.m.-5:23 a.m.

2 stops12h 58m

C$ 278

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 30/5

4:40 p.m.-9:58 p.m.

1 stop8h 18m

Las Vegas Harry Reid Intl

Fri 6/6

12:20 p.m.-7:55 p.m.

Nonstop4h 35m

C$ 284

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Tue 29/4

6:15 a.m.-12:20 p.m.

1 stop9h 05m

Los Angeles

Sat 31/5

6:05 p.m.-6:45 a.m.

1 stop9h 40m

C$ 295

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Tue 29/4

2:45 p.m.-11:43 p.m.

2 stops11h 58m

Los Angeles

Tue 6/5

4:12 p.m.-2:04 p.m.

2 stops18h 52m

C$ 303

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 12/5

12:20 p.m.-6:42 p.m.

1 stop9h 22m

Las Vegas Harry Reid Intl

Tue 13/5

9:55 a.m.-12:22 a.m.

1 stop11h 27m

C$ 310

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 13/5

10:25 a.m.-9:55 p.m.

2 stops14h 30m

Las Vegas Harry Reid Intl

Tue 13/5

12:59 a.m.-2:27 p.m.

2 stops10h 28m

C$ 327

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 23/6

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

1 stop14h 00m

Las Vegas Harry Reid Intl

Mon 23/6

11:10 p.m.-2:04 p.m.

1 stop11h 54m

C$ 328

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 11/5

9:05 a.m.-11:25 a.m.

Nonstop5h 20m

Las Vegas Harry Reid Intl

Fri 16/5

12:20 p.m.-7:55 p.m.

Nonstop4h 35m

C$ 346

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Thu 3/7

5:45 a.m.-1:59 p.m.

1 stop11h 14m

San Francisco

Mon 7/7

12:50 p.m.-5:25 a.m.

2 stops13h 35m

C$ 346

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

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, September is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 230). Flying from Ottawa to California in July is currently the most expensive (average of C$ 314). 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 15 April 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.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 mm per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 April 2025.
To help decide which airline to fly from Ottawa to California, see what other customers have to say about Porter Airlines, Delta and Air Transat. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
281 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Delta
8.0
Very good
7,917 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,658 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
WestJet
7.2
Good
2,805 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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.

  • 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$ 150. Porter Airlines flights start at C$ 167 while deals on Air Canada start at C$ 171 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, September is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 230). Flying from Ottawa to California in July is currently the most expensive (average of C$ 314). 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 265AverageC$ 524FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 331AverageC$ 572FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 339AverageC$ 773FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 359AverageC$ 829FlexibilityNo 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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