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Cheap flights from Ottawa to California from C$ 161

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
4 Apr — 11 Apr1
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 5 March 2026.

Tue 7/45:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Wed 15/48:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 1/3C$ 264
Thu 16/45:45 p.m.
YOW
-
LAS
2 stops27h 54m
WestJet
Thu 23/411:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 2/3C$ 282
Fri 24/43:05 p.m.
YOW
-
LAS
1 stop9h 55m
Multiple Airlines
Tue 28/46:10 p.m.
LAS
-
YOW
1 stop8h 25m
Multiple Airlines
Deal found 1/3C$ 284
Sun 19/45:40 a.m.
YOW
-
LAS
2 stops17h 36m
WestJet
Tue 28/41:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 3/3C$ 286
Fri 24/45:45 p.m.
YOW
-
LAS
1 stop30h 48m
WestJet
Tue 28/41:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 1/3C$ 287
Sat 25/46:00 a.m.
YOW
-
LAS
1 stop18h 33m
WestJet
Wed 29/41:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 2/3C$ 288
Sun 12/46:00 a.m.
YOW
-
LAS
2 stops17h 16m
WestJet
Wed 15/48:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 1/3C$ 292
Thu 16/45:45 p.m.
YOW
-
LAS
2 stops27h 54m
WestJet
Wed 22/48:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 2/3C$ 294
Sun 26/712:25 p.m.
YOW
-
LAX
2 stops12h 40m
WestJet
Tue 4/812:10 p.m.
LAX
-
YOW
2 stops14h 25m
WestJet
Deal found 5/3C$ 385
Thu 9/712:25 p.m.
YOW
-
LAX
2 stops12h 40m
WestJet
Wed 15/76:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Deal found 5/3C$ 388
Thu 30/412:25 p.m.
YOW
-
LAX
2 stops12h 40m
WestJet
Tue 5/512:10 p.m.
LAX
-
YOW
2 stops14h 25m
WestJet
Deal found 3/3C$ 391
Sun 26/412:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Tue 5/56:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 2/3C$ 392

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 5 March 2026.

Round-trip from

C$ 264

One-way from

C$ 161
WestJet
  • WestJet
  • 7/4-15/4
  • 4 total stops
  • 29h 07m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 16/4
  • 1 total stop
  • 10h 58m total
  • Ottawa to California
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 5 March 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

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 17/4

2:40 p.m.-10:13 p.m.

1 stop10h 33m

Las Vegas Harry Reid Intl

Sun 19/4

11:22 p.m.-1:59 p.m.

1 stop11h 37m

C$ 302

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 4/4

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

1 stop7h 39m

Las Vegas Harry Reid Intl

Mon 6/4

11:22 p.m.-1:59 p.m.

1 stop11h 37m

C$ 308

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 13/4

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

1 stop7h 39m

Las Vegas Harry Reid Intl

Mon 13/4

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

2 stops13h 31m

C$ 308

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 12/4

2:40 p.m.-10:13 p.m.

1 stop10h 33m

Las Vegas Harry Reid Intl

Sat 18/4

5:30 a.m.-10:05 p.m.

2 stops13h 35m

C$ 314

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 14/4

6:25 a.m.-9:08 p.m.

2 stops17h 43m

Las Vegas Harry Reid Intl

Wed 15/4

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

2 stops13h 31m

C$ 314

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 3/4

10:00 a.m.-10:13 p.m.

1 stop15h 13m

Las Vegas Harry Reid Intl

Tue 7/4

4:35 p.m.-1:59 p.m.

2 stops18h 24m

C$ 316

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 25/4

6:00 a.m.-3:21 p.m.

1 stop12h 21m

Las Vegas Harry Reid Intl

Thu 30/4

11:22 p.m.-1:59 p.m.

1 stop11h 37m

C$ 331

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 3/7

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

1 stop16h 09m

Las Vegas Harry Reid Intl

Fri 10/7

11:30 p.m.-1:59 p.m.

1 stop11h 29m

C$ 362

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 25/4

6:00 a.m.-2:35 p.m.

2 stops11h 35m

Las Vegas Harry Reid Intl

Fri 1/5

11:22 p.m.-5:07 p.m.

1 stop14h 45m

C$ 366

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Thu 23/4

5:40 a.m.-6:30 p.m.

2 stops15h 50m

Los Angeles

Thu 30/4

7:30 a.m.-12:20 a.m.

2 stops13h 50m

C$ 405

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

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, January is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 179). Flying from Ottawa to California in November is currently the most expensive (average of C$ 332). 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 5 March 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
421 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

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
421 reviews
Porter Airlines
8.0
Very good
421 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

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
9,388 reviews
Porter Airlines
8.0
Very good
421 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

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
3,281 reviews
Porter Airlines
8.0
Very good
421 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

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
10,776 reviews
Porter Airlines
8.0
Very good
421 reviews
Check prices

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Overall

8.0

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 10h 33m. 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$ 175. Porter Airlines flights start at C$ 194 while deals on Air Canada start at C$ 198 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, January is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 179). Flying from Ottawa to California in November is currently the most expensive (average of C$ 332). 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 5 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 179AverageC$ 671FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 193AverageC$ 504FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 237AverageC$ 443FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 259AverageC$ 639FlexibilityNo 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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