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Cheap flights from Ottawa to California from C$ 188

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
7 May — 14 May1
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 April 2026.

Sat 6/612:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Tue 9/61:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 5/4C$ 315
Thu 4/67:20 a.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Mon 8/61:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 6/4C$ 316
Sun 31/512:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Wed 3/61:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 3/4C$ 317
Mon 15/67:20 a.m.
YOW
-
LAS
2 stops11h 25m
WestJet
Mon 22/66:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 5/4C$ 319
Sun 7/612:25 p.m.
YOW
-
LAS
1 stop9h 10m
WestJet
Wed 10/66:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 3/4C$ 324
Sat 13/612:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Mon 15/61:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 6/4C$ 326
Sun 3/51:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Thu 7/56:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 6/4C$ 331
Tue 5/57:20 a.m.
YOW
-
SAN
1 stop9h 50m
WestJet
Thu 14/53:30 p.m.
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 4/4C$ 440
Wed 21/107:25 p.m.
YOW
-
SMF
2 stops17h 22m
United Airlines
Sat 24/104:05 p.m.
SMF
-
YOW
2 stops15h 34m
United Airlines
Deal found 5/4C$ 446
Thu 30/47:20 a.m.
YOW
-
SAN
1 stop9h 50m
WestJet
Thu 7/53:30 p.m.
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 7/4C$ 446
Thu 11/612:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Mon 15/66:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 6/4C$ 455
Thu 7/57:20 a.m.
YOW
-
SAN
1 stop9h 50m
WestJet
Mon 11/53:30 p.m.
SAN
-
YOW
1 stop11h 05m
WestJet
Deal found 6/4C$ 455

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 April 2026.

Round-trip from

C$ 315

One-way from

C$ 188

Popular in

December

Cheapest in

August

Average price

C$ 493
WestJet
  • WestJet
  • 6/6-9/6
  • 4 total stops
  • 25h 30m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 2/5
  • 2 total stops
  • 12h 15m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 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
Quickest round-trip

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 2/5

5:25 p.m.-10:04 p.m.

1 stop7h 39m

Las Vegas Harry Reid Intl

Tue 5/5

10:35 p.m.-9:11 a.m.

1 stop7h 36m

C$ 388

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 9/6

10:00 a.m.-10:19 p.m.

1 stop15h 19m

Las Vegas Harry Reid Intl

Tue 9/6

12:36 a.m.-5:07 p.m.

1 stop13h 31m

C$ 388

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 8/5

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

1 stop9h 34m

Las Vegas Harry Reid Intl

Wed 13/5

11:40 p.m.-10:03 a.m.

1 stop7h 23m

C$ 388

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 23/4

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

1 stop9h 34m

Las Vegas Harry Reid Intl

Tue 28/4

10:40 p.m.-9:11 a.m.

1 stop7h 31m

C$ 388

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 4/5

5:25 p.m.-9:03 a.m.

2 stops18h 38m

Las Vegas Harry Reid Intl

Wed 6/5

12:36 a.m.-1:59 p.m.

2 stops10h 23m

C$ 395

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 8/6

10:44 a.m.-11:53 p.m.

1 stop16h 09m

Las Vegas Harry Reid Intl

Thu 11/6

11:30 p.m.-5:07 p.m.

1 stop14h 37m

C$ 395

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 30/4

10:44 a.m.-12:19 a.m.

2 stops16h 35m

Las Vegas Harry Reid Intl

Mon 4/5

7:07 p.m.-2:22 p.m.

2 stops16h 15m

C$ 395

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 23/5

3:10 p.m.-10:38 p.m.

1 stop10h 28m

Las Vegas Harry Reid Intl

Wed 27/5

8:31 p.m.-2:17 p.m.

2 stops14h 46m

C$ 395

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 4/5

7:30 p.m.-11:22 a.m.

1 stop18h 52m

Las Vegas Harry Reid Intl

Wed 6/5

10:35 p.m.-9:11 a.m.

1 stop7h 36m

C$ 395

OttawaSacramento

YOW - SMF

YOWSMF

Ottawa

Fri 5/6

10:44 a.m.-6:43 p.m.

1 stop10h 59m

Sacramento Intl

Mon 8/6

6:37 p.m.-2:17 p.m.

2 stops16h 40m

C$ 446

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

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, August 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$ 351). 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?

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 April 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
431 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
431 reviews
Porter Airlines
8.0
Very good
431 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,546 reviews
Porter Airlines
8.0
Very good
431 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,315 reviews
Porter Airlines
8.0
Very good
431 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,897 reviews
Porter Airlines
8.0
Very good
431 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 7h 39m. 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$ 178. 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, August 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$ 351). 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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 240AverageC$ 408FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 293AverageC$ 697FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 299AverageC$ 558FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 328AverageC$ 644FlexibilityNo 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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