Find flights
When to book
FAQs

Cheap flights from California to Ottawa from C$ 118

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from California to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from California to Ottawa
Explore the most affordable flight options available from California to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 December 2025.

Sun 28/1212:25 a.m.LAX - YOW
1 stop13h 53mUnited Airlines
Wed 7/12:15 p.m.YOW - LAX
1 stop9h 29mUnited Airlines
Deal found 14/12C$ 736
Wed 24/1211:43 p.m.LAX - YOW
1 stop14h 42mMultiple Airlines
Thu 1/15:40 a.m.YOW - LAX
2 stops28h 38mMultiple Airlines
Deal found 15/12C$ 794
Tue 30/1210:27 p.m.LAX - YOW
1 stop15h 51mUnited Airlines
Mon 5/15:09 p.m.YOW - LAX
1 stop8h 34mUnited Airlines
Deal found 15/12C$ 885
Fri 26/127:25 a.m.SFO - YOW
1 stop30h 44mMultiple Airlines
Tue 6/14:20 p.m.YOW - SFO
2 stops42h 33mMultiple Airlines
Deal found 13/12C$ 915
Wed 24/127:00 a.m.SMF - YOW
1 stop11h 18mUnited Airlines
Wed 31/129:45 a.m.YOW - SMF
1 stop15h 44mUnited Airlines
Deal found 16/12C$ 936
Wed 24/127:00 a.m.SMF - YOW
1 stop11h 18mUnited Airlines
Tue 30/126:00 a.m.YOW - SMF
2 stops18h 08mUnited Airlines
Deal found 16/12C$ 950
Mon 29/1212:25 a.m.LAX - YOW
1 stop17h 53mUnited Airlines
Sun 4/16:15 a.m.YOW - LAX
1 stop19h 28mUnited Airlines
Deal found 15/12C$ 988
Sat 27/129:20 p.m.LAX - YOW
2 stops47h 38mMultiple Airlines
Sun 4/14:20 p.m.YOW - LAX
1 stop28h 43mMultiple Airlines
Deal found 16/12C$ 998
Thu 25/121:40 p.m.SFO - YOW
1 stop8h 02mMultiple Airlines
Tue 6/14:20 p.m.YOW - SFO
2 stops42h 33mMultiple Airlines
Deal found 13/12C$ 1,046
Tue 23/129:30 p.m.SFO - YOW
2 stops40h 55mMultiple Airlines
Mon 5/16:55 p.m.YOW - SFO
1 stop20h 17mMultiple Airlines
Deal found 13/12C$ 1,047
Wed 24/126:00 a.m.SFO - YOW
2 stops32h 25mMultiple Airlines
Mon 5/16:55 p.m.YOW - SFO
1 stop20h 17mMultiple Airlines
Deal found 13/12C$ 1,055
Thu 25/121:29 p.m.SFO - YOW
2 stops24h 56mMultiple Airlines
Mon 5/16:55 p.m.YOW - SFO
1 stop20h 17mMultiple Airlines
Deal found 13/12C$ 1,075

Find flight deals from California to Ottawa

Keep the following information in mind while searching for California to Ottawa flight deals. Data was last updated 16 December 2025.

Round-trip from

C$ 355

One-way from

C$ 118

Popular in

December

Cheapest in

May

Average price

C$ 1,032
Air Canada
  • Air Canada
  • 18/4-21/4
  • 2 total stops
  • 20h 09m total
  • California to Ottawa
Search Deals
8/2
  • 8/2
  • 1 total stop
  • 25h 30m total
  • California to Ottawa
Search Deals
Highest demand for flights based on searches. 35% potential increase in price (C$ 435 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 57 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 California to Ottawa 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 16 December 2025.
Use the filters below to find and compare flights from California to Ottawa that are best for you.

Fly from

California

Fly to

Ottawa

Route

Depart

Return

Price

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 18/4

4:45 p.m.-6:45 a.m.

1 stop11h 00m

Ottawa

Tue 21/4

5:00 a.m.-11:09 a.m.

1 stop9h 09m

C$ 355

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 16/1

1:00 p.m.-12:40 a.m.

1 stop8h 40m

Ottawa

Thu 22/1

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

1 stop9h 12m

C$ 356

San DiegoOttawa

SAN - YOW

SANYOW

San Diego

Thu 11/6

2:05 p.m.-5:28 a.m.

2 stops12h 23m

Ottawa

Tue 16/6

6:00 a.m.-1:20 p.m.

1 stop10h 20m

C$ 369

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 18/4

11:35 p.m.-10:03 a.m.

1 stop7h 28m

Ottawa

Tue 21/4

6:00 a.m.-6:07 p.m.

2 stops15h 07m

C$ 374

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 8/5

12:50 p.m.-5:28 a.m.

2 stops13h 38m

Ottawa

Mon 11/5

3:45 p.m.-9:24 p.m.

1 stop8h 39m

C$ 387

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 15/5

12:50 p.m.-12:40 a.m.

1 stop8h 50m

Ottawa

Mon 18/5

6:15 a.m.-5:14 p.m.

2 stops13h 59m

C$ 391

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Sat 2/5

12:35 p.m.-5:28 a.m.

2 stops13h 53m

Ottawa

Mon 4/5

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

1 stop9h 00m

C$ 409

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 5/2

10:15 a.m.-2:45 p.m.

1 stop25h 30m

Ottawa

Sun 8/2

5:40 a.m.-12:45 p.m.

1 stop10h 05m

C$ 421

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 24/2

1:45 p.m.-12:43 a.m.

1 stop7h 58m

Ottawa

Wed 4/3

6:45 a.m.-12:45 p.m.

1 stop9h 00m

C$ 425

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Mon 11/5

2:00 p.m.-12:21 a.m.

1 stop7h 21m

Ottawa

Fri 15/5

7:45 a.m.-6:09 p.m.

2 stops13h 24m

C$ 428

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/12

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from California to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from California 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 California to Ottawa

What is the cheapest month to book a flight from California to Ottawa?

Currently, May is the cheapest month in which you can book a flight from California to Ottawa (average of C$ 146). Flying from California to Ottawa in October is currently the most expensive (average of C$ 266). 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.

What is the cheapest time of day to fly from CA to YOW?

Find hourly flight availability from California to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 December 2025.

One of the essential ways to save on airfare from California to Ottawa is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 36% on airfare.

Related info for your journey

Find useful and relevant information for your journey from California to Ottawa. 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 into for flights to Ottawa from California?

    If you book a flight to Ottawa from California, you will be flying to Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.

  • How long is the flight from California to Ottawa?

    Airlines like Air Canada, WestJet, and United Airlines fly from California to Ottawa in about 7h 28m. The time it takes to get you to your destination can typically vary by up to 3h 32m. There are 3442 km between California and Ottawa. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from California to Ottawa one-way?

    The cheapest airlines for a one-way flight from California to Ottawa are WestJet (C$ 121), Air Canada (C$ 125), and United Airlines (C$ 129).

  • What are the most popular routes from California to Ottawa?

    The most popular flight routes from California to Ottawa are San Francisco - Ottawa, Los Angeles - Ottawa and Santa Ana J. Wayne/Orange Cnty - Ottawa.

  • Can I find deals for flights from California to Ottawa that include hotel bookings?

    Yes. In addition to deals on California to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Ottawa.

  • Can I find deals for business class flights from California to Ottawa?

    Yes. Cheapflights offers flight deals from California to Ottawa 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 California to Ottawa?

    Currently, May is the cheapest month in which you can book a flight from California to Ottawa (average of C$ 146). Flying from California to Ottawa in October is currently the most expensive (average of C$ 266). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Pembroke
Wakefield

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 California to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Los Angeles to Pearson Intl flights
Reagan-National to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Boston to Pearson Intl flights
Dallas/Fort Worth to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
San Francisco to Pearson Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Boston to Toronto Island flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
Dulles Intl to Toronto Island flights
Fort Lauderdale to Pearson Intl flights
Seattle to Pearson Intl flights
Minneapolis to Pearson Intl flights
Miami to Pearson Intl flights
Hobby to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Orlando to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Raleigh to Pearson Intl flights
Austin to Pearson Intl flights
Nashville to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Tampa to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Charlotte to Pearson Intl flights
Midway to Pearson Intl flights
Midway to Toronto Island flights
Denver to Pierre Elliott Trudeau Intl flights
Midway to Pierre Elliott Trudeau Intl flights
Newark to Ottawa flights
Hobby to Pierre Elliott Trudeau Intl flights

Top 3 airlines flying from California to Ottawa

Discover the top 3 airlines that operate flights from California to Ottawa. 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 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 145AverageC$ 480FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 203AverageC$ 381FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 380AverageC$ 593FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 California to Ottawa?

Cheapflights makes it easy to find California to Ottawa flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from California to Ottawa?

Cheapflights simply makes it quick and affordable to book flights from California to Ottawa 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 California to Ottawa with no change fees?

Certainly. Search results for flights to Ottawa from California 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 California to Ottawa become cheaper?

Of course! You can now track prices for flights from California to Ottawa and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.