Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to California from C$ 241

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
17 Jul — 24 Jul1
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 17 June 2026.

Mon 12/107:20 a.m.
YOW
-
LAS
2 stops11h 25m
WestJet
Thu 15/101:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 13/6C$ 407
Thu 10/912:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Wed 16/91:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 16/6C$ 409
Sat 5/91:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Sat 12/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 13/6C$ 412
Thu 10/97:20 a.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Sun 13/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 12/6C$ 414
Sun 13/91:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Thu 17/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 13/6C$ 416
Sat 10/101:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Thu 15/106:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 13/6C$ 417
Sat 19/912:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Mon 21/98:30 a.m.
LAS
-
YOW
2 stops12h 50m
WestJet
Deal found 13/6C$ 419
Fri 23/101:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Wed 28/1011:20 a.m.
LAS
-
YOW
1 stop10h 25m
WestJet
Deal found 15/6C$ 426
Sun 20/912:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Fri 25/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 16/6C$ 430
Fri 21/812:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Mon 24/86:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Deal found 16/6C$ 497
Wed 23/91:20 p.m.
YOW
-
LAX
1 stop11h 45m
WestJet
Wed 30/97:30 a.m.
LAX
-
YOW
1 stop8h 50m
WestJet
Deal found 16/6C$ 498
Fri 4/96:00 a.m.
YOW
-
LAX
1 stop11h 05m
WestJet
Fri 18/97:30 a.m.
LAX
-
YOW
1 stop8h 50m
WestJet
Deal found 13/6C$ 500

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 17 June 2026.

Round-trip from

C$ 407

One-way from

C$ 241

Popular in

December

Cheapest in

October

Average price

C$ 617
WestJet
  • WestJet
  • 12/10-15/10
  • 4 total stops
  • 24h 40m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 15/10
  • 1 total stop
  • 11h 20m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 17 June 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 23/10

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

1 stop11h 20m

Las Vegas Harry Reid Intl

Wed 28/10

11:20 a.m.-12:45 a.m.

1 stop10h 25m

C$ 426

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 19/9

5:20 p.m.-11:20 p.m.

1 stop9h 00m

Las Vegas Harry Reid Intl

Wed 23/9

9:00 a.m.-9:35 p.m.

1 stop9h 35m

C$ 483

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 7/7

8:15 p.m.-5:15 p.m.

1 stop24h 00m

Las Vegas Harry Reid Intl

Sat 11/7

6:10 p.m.-5:35 a.m.

1 stop8h 25m

C$ 483

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 8/12

6:00 a.m.-6:17 p.m.

2 stops15h 17m

Las Vegas Harry Reid Intl

Thu 10/12

10:30 p.m.-1:26 p.m.

1 stop11h 56m

C$ 507

OttawaSanta Ana

YOW - SNA

YOWSNA

Ottawa

Sat 19/9

6:00 a.m.-3:08 p.m.

2 stops12h 08m

Santa Ana J. Wayne/Orange Cnty

Tue 22/9

9:14 p.m.-4:38 p.m.

1 stop16h 24m

C$ 514

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Sat 19/9

6:25 a.m.-7:58 p.m.

2 stops16h 33m

Palm Springs

Tue 22/9

7:15 a.m.-9:35 p.m.

2 stops11h 20m

C$ 545

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Fri 4/9

5:20 p.m.-8:00 p.m.

2 stops29h 40m

Palm Springs

Fri 18/9

4:10 p.m.-9:56 a.m.

2 stops14h 46m

C$ 546

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 21/7

6:00 a.m.-12:55 p.m.

1 stop9h 55m

Las Vegas Harry Reid Intl

Sat 25/7

6:10 p.m.-5:35 a.m.

1 stop8h 25m

C$ 553

OttawaSanta Ana

YOW - SNA

YOWSNA

Ottawa

Sun 28/6

5:20 p.m.-9:07 a.m.

2 stops18h 47m

Santa Ana J. Wayne/Orange Cnty

Fri 3/7

6:26 p.m.-9:11 a.m.

2 stops11h 45m

C$ 563

OttawaSanta Ana

YOW - SNA

YOWSNA

Ottawa

Sun 28/6

5:20 p.m.-9:07 a.m.

2 stops18h 47m

Santa Ana J. Wayne/Orange Cnty

Wed 8/7

6:26 p.m.-10:03 a.m.

2 stops12h 37m

C$ 563

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Showing 1-10 of 60 resultsSorted by cheapest first
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, July is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 129). Flying from Ottawa to California in February is currently the most expensive (average of C$ 329). 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?

How far ahead should I book a flight from Ottawa to California?

To ensure you get the cheapest price possible for a flight from Ottawa to California, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 17 June 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
438 reviews
Check prices

Food

7.6

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Food

7.6

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,844 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Food

7.6

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
WestJet
7.2
Good
3,367 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Food

7.6

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,200 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Food

7.6

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 9h. 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 Porter Airlines, which is currently one of the cheapest options available, starting at C$ 199. Air Canada flights start at C$ 203 while deals on United Airlines start at C$ 215 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 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, July is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 129). Flying from Ottawa to California in February is currently the most expensive (average of C$ 329). 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.
Toronto Island to Newark flights
Pearson Intl to Newark flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Fort Lauderdale flights
Toronto Island to John F Kennedy Intl flights
Toronto Island to LaGuardia flights
Pearson Intl to Las Vegas flights
Pearson Intl to Seattle flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Miami flights
Hamilton to Newark flights
Pearson Intl to Hobby flights
Pearson Intl to Orlando flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to San Francisco flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Reagan-National flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Boston flights
Toronto Island to Boston flights
Pearson Intl to San Diego flights
Pearson Intl to Nashville flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Atlanta flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Orlando flights
Pierre Elliott Trudeau Intl to Nashville flights
Pearson Intl to Midway flights
Toronto Island to O'Hare Intl flights
Toronto Island to Orlando flights
Pearson Intl to Philadelphia flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Boston flights
Toronto Island to Midway flights
Pierre Elliott Trudeau Intl to Honolulu flights
Pearson Intl to Ontario flights
Toronto Island to Fort Lauderdale flights
Toronto Island to Las Vegas flights
Pierre Elliott Trudeau Intl to Hobby flights
Pearson Intl to Tampa flights
Toronto Island to Dulles Intl flights
Pierre Elliott Trudeau Intl to San Francisco 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 17 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 291AverageC$ 459FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 316AverageC$ 657FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 343AverageC$ 660FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 369AverageC$ 608FlexibilityNo cancel feeOn-time52%
Search Porter 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.