Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to California from C$ 159

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
15 Mar — 22 Mar1
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 13 February 2026.

Sun 8/36:00 a.m.
YOW
-
LAS
2 stops15h 39m
WestJet
Wed 25/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 11/2C$ 226
Sun 5/45:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Wed 8/411:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 11/2C$ 236
Tue 24/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Tue 31/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 12/2C$ 251
Sun 3/55:55 a.m.
YOW
-
LAS
2 stops13h 40m
WestJet
Fri 8/58:30 a.m.
LAS
-
YOW
2 stops12h 50m
WestJet
Deal found 11/2C$ 261
Tue 10/35:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Tue 17/38:05 a.m.
LAS
-
YOW
2 stops13h 34m
WestJet
Deal found 10/2C$ 264
Sun 22/35:45 p.m.
YOW
-
LAS
2 stops18h 31m
WestJet
Wed 25/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
WestJet
Deal found 10/2C$ 266
Sun 3/55:55 a.m.
YOW
-
LAS
2 stops13h 40m
WestJet
Wed 6/51:20 p.m.
LAS
-
YOW
2 stops13h 20m
WestJet
Deal found 11/2C$ 269
Sun 8/33:05 p.m.
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Wed 25/311:20 a.m.
LAS
-
YOW
1 stop10h 20m
Multiple Airlines
Deal found 11/2C$ 270
Sun 3/512:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Tue 12/56:00 a.m.
SFO
-
YOW
1 stop8h 20m
WestJet
Deal found 9/2C$ 321
Thu 30/412:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Mon 4/56:00 a.m.
SFO
-
YOW
1 stop8h 20m
WestJet
Deal found 12/2C$ 336
Thu 16/712:25 p.m.
YOW
-
LAX
2 stops12h 30m
WestJet
Mon 20/77:30 a.m.
LAX
-
YOW
1 stop8h 55m
WestJet
Deal found 10/2C$ 344
Thu 7/512:25 p.m.
YOW
-
LAX
2 stops12h 30m
WestJet
Tue 12/512:10 p.m.
LAX
-
YOW
2 stops14h 30m
WestJet
Deal found 10/2C$ 345

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 13 February 2026.

Round-trip from

C$ 226

One-way from

C$ 159

Popular in

December

Cheapest in

May

Average price

C$ 477
WestJet
  • WestJet
  • 8/3-25/3
  • 3 total stops
  • 25h 59m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 10/3
  • 2 total stops
  • 15h 33m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 152 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 13 February 2026.
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

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 19/3

5:40 a.m.-10:12 p.m.

1 stop19h 32m

Las Vegas Harry Reid Intl

Thu 26/3

11:20 a.m.-12:40 a.m.

1 stop10h 20m

C$ 279

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 23/4

5:45 p.m.-9:33 p.m.

1 stop30h 48m

Las Vegas Harry Reid Intl

Tue 28/4

12:35 p.m.-12:20 a.m.

1 stop8h 45m

C$ 292

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 24/3

3:15 p.m.-10:34 p.m.

1 stop10h 19m

Las Vegas Harry Reid Intl

Mon 30/3

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

1 stop11h 00m

C$ 294

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 11/7

1:20 p.m.-9:40 p.m.

1 stop11h 20m

Las Vegas Harry Reid Intl

Fri 17/7

6:10 p.m.-5:40 a.m.

1 stop8h 30m

C$ 303

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 12/5

5:55 a.m.-5:15 p.m.

2 stops14h 20m

Las Vegas Harry Reid Intl

Sat 16/5

11:30 a.m.-5:35 p.m.

2 stops27h 05m

C$ 303

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 5/3

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

2 stops14h 40m

Las Vegas Harry Reid Intl

Mon 9/3

7:03 p.m.-2:27 p.m.

2 stops16h 24m

C$ 307

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 14/4

10:00 a.m.-3:21 p.m.

1 stop8h 21m

Las Vegas Harry Reid Intl

Thu 16/4

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

1 stop7h 31m

C$ 307

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 26/2

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

1 stop11h 00m

Las Vegas Harry Reid Intl

Wed 8/4

4:35 p.m.-9:11 a.m.

2 stops13h 36m

C$ 307

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 26/2

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

1 stop11h 00m

Las Vegas Harry Reid Intl

Mon 6/4

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

1 stop7h 31m

C$ 307

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 24/2

5:48 p.m.-9:08 a.m.

2 stops18h 20m

Las Vegas Harry Reid Intl

Fri 27/2

9:58 a.m.-9:56 p.m.

2 stops8h 58m

C$ 307

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 60 results
1
2
3
...
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$ 178). Flying from Ottawa to California in November is currently the most expensive (average of C$ 323). 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 13 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
7.9
Good
415 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.5

Overall

7.9

Boarding

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Porter Airlines
7.9
Good
415 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.5

Overall

7.9

Boarding

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
United Airlines
7.4
Good
9,285 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.5

Overall

7.9

Boarding

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
WestJet
7.2
Good
3,257 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.5

Overall

7.9

Boarding

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.
Air Canada
7.1
Good
10,717 reviews
Porter Airlines
7.9
Good
415 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.5

Overall

7.9

Boarding

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Milad,Feb 2026

LIR - YYZ

Not helpful staff at Liberia airport at the check-in counter. Extremely poor skill people and not willing to help the passenger.

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 57m. Ottawa and California are separated by a distance of 3925 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$ 191 while deals on Air Canada start at C$ 197 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 Diego.

  • 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$ 178). Flying from Ottawa to California in November is currently the most expensive (average of C$ 323). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to California

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Newark flights
Pearson Intl to Las Vegas flights
Toronto Island to Newark flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to Miami flights
Pearson Intl to Orlando flights
Pearson Intl to Los Angeles flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Toronto Island to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to Tampa flights
Pearson Intl to San Francisco flights
Pearson Intl to Hobby flights
Pearson Intl to Seattle flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Toronto Island to Orlando flights
Pearson Intl to Boston flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to Miami flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to O'Hare Intl flights
Hamilton to Fort Lauderdale flights
Toronto Island to Las Vegas flights
Pearson Intl to Reagan-National flights
Pearson Intl to Nashville flights
Pearson Intl to Atlanta flights
Pearson Intl to San Diego flights
Ottawa to Orlando flights
Pearson Intl to West Palm Beach flights
Pearson Intl to Fort Myers flights
Pierre Elliott Trudeau Intl to Nashville flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pearson Intl to Dulles Intl flights
Ottawa to Fort Lauderdale flights
Pearson Intl to Ontario flights
Pierre Elliott Trudeau Intl to Honolulu flights
Toronto Island to Boston flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Tampa flights
Pearson Intl to Austin flights
Pearson Intl to Honolulu flights

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 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 177AverageC$ 655FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 192AverageC$ 479FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 236AverageC$ 437FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 257AverageC$ 625FlexibilityNo 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.