Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to California from C$ 190

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
27 Jan — 3 Feb1
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 December 2025.

Wed 31/125:40 a.m.YOW - LAS
2 stops18h 51mWestJet
Sat 31/18:00 a.m.LAS - YOW
2 stops13h 42mWestJet
Deal found 25/12C$ 517
Tue 30/125:40 a.m.YOW - LAS
2 stops42h 51mWestJet
Tue 6/17:05 p.m.LAS - YOW
2 stops26h 37mWestJet
Deal found 25/12C$ 670
Wed 31/125:40 a.m.YOW - LAS
2 stops18h 51mWestJet
Mon 5/18:00 a.m.LAS - YOW
1 stop13h 40mWestJet
Deal found 26/12C$ 681
Wed 31/124:00 p.m.YOW - LAS
1 stop7h 39mAir Canada
Sat 31/111:30 p.m.LAS - YOW
1 stop6h 53mAir Canada
Deal found 25/12C$ 704
Wed 31/125:09 p.m.YOW - LAS
1 stop8h 23mUnited Airlines
Mon 5/110:00 p.m.LAS - YOW
1 stop13h 27mUnited Airlines
Deal found 26/12C$ 800
Tue 30/125:40 a.m.YOW - LAS
2 stops33h 39mWestJet
Thu 1/19:15 p.m.LAS - YOW
2 stops24h 27mWestJet
Deal found 26/12C$ 879
Tue 30/128:25 p.m.YOW - LAS
1 stop17h 55mAir Canada
Tue 6/112:10 p.m.LAS - YOW
1 stop17h 08mAir Canada
Deal found 25/12C$ 884
Sun 28/129:45 a.m.YOW - SMF
1 stop15h 44mUnited Airlines
Fri 2/17:00 a.m.SMF - YOW
1 stop7h 18mUnited Airlines
Deal found 25/12C$ 894
Tue 30/125:40 a.m.YOW - LAS
2 stops42h 51mWestJet
Sun 4/17:05 p.m.LAS - YOW
2 stops20h 16mWestJet
Deal found 26/12C$ 931
Tue 30/126:00 a.m.YOW - LAX
3 stops43h 45mMultiple Airlines
Tue 6/111:43 p.m.LAX - YOW
1 stop14h 42mMultiple Airlines
Deal found 26/12C$ 968
Tue 30/129:45 a.m.YOW - LAX
1 stop13h 59mUnited Airlines
Tue 6/111:25 p.m.LAX - YOW
1 stop12h 02mUnited Airlines
Deal found 25/12C$ 1,003
Mon 29/127:27 p.m.YOW - LAX
2 stops15h 24mUnited Airlines
Tue 6/111:02 a.m.LAX - YOW
2 stops9h 52mUnited Airlines
Deal found 25/12C$ 1,010

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 December 2025.

Round-trip from

C$ 354

One-way from

C$ 190

Popular in

December

Cheapest in

May

Average price

C$ 689
WestJet
  • WestJet
  • 16/3-17/3
  • 4 total stops
  • 49h 48m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 11/1
  • 2 total stops
  • 15h 31m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 169 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 2025.
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

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Mon 16/3

5:40 a.m.-5:13 p.m.

2 stops14h 33m

Palm Springs

Tue 17/3

10:25 a.m.-12:40 a.m.

2 stops35h 15m

C$ 354

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Mon 9/3

5:00 a.m.-10:39 a.m.

1 stop8h 39m

Palm Springs

Mon 16/3

11:25 a.m.-11:08 p.m.

1 stop8h 43m

C$ 376

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Mon 16/3

6:20 a.m.-10:27 p.m.

1 stop19h 07m

Palm Springs

Tue 17/3

7:00 a.m.-9:18 p.m.

1 stop11h 18m

C$ 379

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 24/4

6:00 a.m.-8:16 p.m.

2 stops17h 16m

Las Vegas Harry Reid Intl

Sun 26/4

9:10 p.m.-4:18 p.m.

2 stops16h 08m

C$ 380

OttawaPalm Springs

YOW - PSP

YOWPSP

Ottawa

Sun 18/1

6:20 a.m.-5:28 p.m.

2 stops14h 08m

Palm Springs

Wed 21/1

11:12 a.m.-9:18 p.m.

1 stop7h 06m

C$ 384

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 15/6

3:45 p.m.-9:29 p.m.

1 stop8h 44m

Las Vegas Harry Reid Intl

Sat 20/6

11:30 a.m.-12:40 a.m.

1 stop10h 10m

C$ 387

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 12/6

7:45 a.m.-7:37 p.m.

2 stops14h 52m

Las Vegas Harry Reid Intl

Sat 20/6

6:20 p.m.-6:55 a.m.

1 stop9h 35m

C$ 392

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 12/6

6:15 a.m.-5:34 p.m.

2 stops14h 19m

Las Vegas Harry Reid Intl

Fri 19/6

10:00 a.m.-12:40 a.m.

2 stops11h 40m

C$ 396

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 14/4

6:00 a.m.-12:19 p.m.

2 stops33h 19m

Las Vegas Harry Reid Intl

Thu 16/4

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

1 stop10h 20m

C$ 399

OttawaSacramento

YOW - SMF

YOWSMF

Ottawa

Fri 23/1

2:15 p.m.-8:50 p.m.

1 stop9h 35m

Sacramento Intl

Mon 26/1

8:30 p.m.-2:27 p.m.

2 stops14h 57m

C$ 403

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/12

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$ 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.

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 28 December 2025.
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
401 reviews
Check prices

Crew

8.6

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
401 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Crew

8.6

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,116 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Crew

8.6

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,221 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Crew

8.6

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,562 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Crew

8.6

Food

7.6

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 39m. 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$ 179. 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

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
Pearson Intl to Miami flights
Toronto Island to Newark flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to Las Vegas flights
Pearson Intl to Orlando flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Newark flights
Pearson Intl to Tampa flights
Pearson Intl to Los Angeles flights
Pearson Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Orlando flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Toronto Island to Orlando flights
Toronto Island to Fort Lauderdale flights
Pearson Intl to Hobby flights
Pierre Elliott Trudeau Intl to Newark flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pearson Intl to Fort Myers flights
Pearson Intl to George Bush Intcntl flights
Hamilton to Fort Lauderdale flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Seattle flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Honolulu flights
Pearson Intl to Nashville flights
Pearson Intl to Boston flights
Ottawa to Orlando flights
Pearson Intl to Atlanta flights
Pierre Elliott Trudeau Intl to Tampa flights
Pearson Intl to Reagan-National flights
Toronto Island to Miami flights
Pierre Elliott Trudeau Intl to Honolulu flights
Pearson Intl to San Diego flights
Pearson Intl to Minneapolis flights
Toronto Island to Boston flights
Ottawa to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Nashville flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Hobby flights
Pearson Intl to Ontario flights
Pearson Intl to West Palm Beach flights
Toronto Island to Fort Myers 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 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 211AverageC$ 536FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 239AverageC$ 436FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 299AverageC$ 455FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 324AverageC$ 638FlexibilityNo 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.