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Cheap flights from Ottawa to California from C$ 149

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
30 Mar — 6 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 28 February 2026.

Tue 21/45:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Wed 29/41:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 24/2C$ 246
Tue 21/45:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Fri 24/48:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 25/2C$ 258
Wed 22/45:45 p.m.
YOW
-
LAS
2 stops29h 31m
WestJet
Wed 29/41:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 28/2C$ 261
Sun 19/46:00 a.m.
YOW
-
LAS
2 stops17h 16m
WestJet
Tue 28/41:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 26/2C$ 265
Thu 26/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Thu 9/49:15 p.m.
LAS
-
YOW
2 stops18h 08m
WestJet
Deal found 27/2C$ 273
Thu 23/46:00 a.m.
YOW
-
LAS
2 stops17h 16m
WestJet
Tue 28/41:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 24/2C$ 277
Sat 11/45:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Tue 14/47:05 p.m.
LAS
-
YOW
1 stop26h 35m
WestJet
Deal found 27/2C$ 285
Tue 30/66:00 a.m.
YOW
-
LAX
1 stop11h 05m
WestJet
Sat 11/76:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Deal found 25/2C$ 361
Thu 2/77:20 a.m.
YOW
-
LAX
1 stop9h 45m
WestJet
Thu 9/77:30 a.m.
LAX
-
YOW
1 stop8h 50m
WestJet
Deal found 24/2C$ 366
Mon 29/61:20 p.m.
YOW
-
LAX
1 stop11h 45m
WestJet
Sun 5/76:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Deal found 24/2C$ 367
Thu 16/46:00 a.m.
YOW
-
SFO
1 stop9h 10m
WestJet
Thu 23/41:00 p.m.
SFO
-
YOW
1 stop8h 40m
WestJet
Deal found 27/2C$ 370
Tue 14/45:40 a.m.
YOW
-
LAX
2 stops15h 50m
WestJet
Mon 11/512:10 p.m.
LAX
-
YOW
2 stops14h 25m
WestJet
Deal found 25/2C$ 373

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 28 February 2026.

Round-trip from

C$ 246

One-way from

C$ 149

Popular in

December

Cheapest in

May

Average price

C$ 479
WestJet
  • WestJet
  • 21/4-29/4
  • 4 total stops
  • 28h 48m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 26/4
  • 2 total stops
  • 12h 05m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 28 February 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

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 3/4

6:00 a.m.-10:13 p.m.

1 stop19h 13m

Las Vegas Harry Reid Intl

Mon 6/4

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

1 stop11h 37m

C$ 302

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 16/4

10:44 a.m.-11:59 p.m.

2 stops16h 15m

Las Vegas Harry Reid Intl

Sun 19/4

9:44 p.m.-1:59 p.m.

2 stops13h 15m

C$ 314

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 22/4

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

2 stops15h 27m

Las Vegas Harry Reid Intl

Tue 28/4

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

2 stops10h 23m

C$ 314

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 14/4

10:44 a.m.-9:08 p.m.

2 stops13h 24m

Las Vegas Harry Reid Intl

Thu 16/4

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

1 stop7h 31m

C$ 314

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 4/4

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

1 stop15h 13m

Las Vegas Harry Reid Intl

Tue 7/4

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

1 stop7h 31m

C$ 314

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 14/4

6:25 a.m.-8:38 p.m.

2 stops17h 13m

Las Vegas Harry Reid Intl

Mon 20/4

11:45 p.m.-10:03 a.m.

1 stop7h 18m

C$ 314

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 13/6

6:05 a.m.-4:11 p.m.

2 stops13h 06m

Las Vegas Harry Reid Intl

Sat 20/6

8:00 a.m.-11:54 p.m.

2 stops12h 54m

C$ 356

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 1/5

6:25 a.m.-1:03 p.m.

1 stop9h 38m

Las Vegas Harry Reid Intl

Mon 4/5

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

1 stop11h 00m

C$ 358

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 2/6

10:44 a.m.-8:08 p.m.

2 stops12h 24m

Las Vegas Harry Reid Intl

Fri 19/6

10:00 p.m.-9:11 a.m.

1 stop8h 11m

C$ 361

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Wed 25/3

6:00 a.m.-9:20 p.m.

2 stops18h 20m

Palm Springs

Wed 1/4

5:15 a.m.-10:05 p.m.

2 stops13h 50m

C$ 386

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/2

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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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, 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$ 325). 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.

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 28 February 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
420 reviews
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
420 reviews
Porter Airlines
8.0
Very good
420 reviews
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
United Airlines
7.4
Good
9,362 reviews
Porter Airlines
8.0
Very good
420 reviews
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
WestJet
7.2
Good
3,276 reviews
Porter Airlines
8.0
Very good
420 reviews
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
10,757 reviews
Porter Airlines
8.0
Very good
420 reviews
Check prices

Food

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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 35m. Ottawa and California are separated by a distance of 3677 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$ 174. 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$ 325). 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 28 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 178AverageC$ 668FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 193AverageC$ 497FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 237AverageC$ 441FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 258AverageC$ 608FlexibilityNo 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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