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Cheap flights from California to Ottawa from C$ 204

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
10 Sep — 17 Sep1
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 11 August 2026.

Fri 9/104:30 p.m. -
1 stop10h 05m
Mon 12/1012:25 p.m. -
1 stop9h 05m
Deal found 7/8C$ 406
Thu 8/104:30 p.m. -
1 stop10h 05m
Mon 12/1012:25 p.m. -
1 stop9h 05m
Deal found 7/8C$ 409
Thu 8/104:30 p.m. -
1 stop10h 05m
Sun 11/101:20 p.m. -
2 stops32h 10m
Deal found 7/8C$ 439
Fri 16/104:30 p.m. -
1 stop10h 05m
Mon 19/107:20 a.m. -
1 stop11h 10m
Deal found 7/8C$ 441
Fri 9/104:30 p.m. -
1 stop10h 05m
Sun 11/101:20 p.m. -
1 stop11h 20m
Deal found 7/8C$ 455
Thu 8/104:30 p.m. -
1 stop10h 05m
Sat 10/101:20 p.m. -
1 stop11h 20m
Deal found 7/8C$ 456
Fri 16/104:30 p.m. -
1 stop10h 05m
Thu 22/1012:25 p.m. -
1 stop9h 05m
Deal found 7/8C$ 457
Fri 16/104:30 p.m. -
1 stop10h 05m
Sun 18/107:20 a.m. -
1 stop11h 10m
Deal found 7/8C$ 462
Fri 9/104:30 p.m. -
1 stop10h 05m
Tue 13/106:55 a.m. -
2 stops13h 20m
Deal found 7/8C$ 464
Wed 2/91:45 p.m. -
2 stops18h 50m
Sun 6/96:00 a.m. -
1 stop9h 55m
Deal found 7/8C$ 466
Thu 8/104:30 p.m. -
1 stop10h 05m
Tue 13/106:55 a.m. -
2 stops13h 20m
Deal found 7/8C$ 467
Sat 10/106:10 p.m. -
1 stop8h 25m
Mon 12/1012:25 p.m. -
1 stop9h 05m
Deal found 7/8C$ 469

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 11 August 2026.

Round-trip from

C$ 406

One-way from

C$ 204

Popular in

December

Cheapest in

April

Average price

C$ 858
WestJet
  • WestJet
  • 9/10-12/10
  • 2 total stops
  • 19h 10m total
  • California to Ottawa
Search Deals
WestJet
  • WestJet
  • 28/9
  • 3 total stops
  • 26h 00m total
  • California to Ottawa
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 11 August 2026.
Use the filters below to find and compare flights from California to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Thu 22/10

6:00 a.m.-7:20 p.m.

1 stop10h 20m

Ottawa

Sun 25/10

6:00 a.m.-12:10 p.m.

1 stop9h 10m

C$ 496

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Sat 19/9

6:00 a.m.-5:15 p.m.

1 stop8h 15m

Ottawa

Wed 23/9

6:55 a.m.-4:40 p.m.

2 stops12h 45m

C$ 530

Las VegasOttawa

LAS Las Vegas Harry Reid Intl - YOW Ottawa

LASYOW

Las Vegas Harry Reid Intl

Sat 5/9

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

1 stop10h 10m

Ottawa

Sat 12/9

12:25 p.m.-9:40 p.m.

2 stops12h 15m

C$ 533

Los AngelesOttawa

LAX Los Angeles Los Angeles - YOW Ottawa

LAXYOW

Los Angeles Los Angeles

Fri 9/10

6:05 p.m.-5:35 a.m.

1 stop8h 30m

Ottawa

Mon 12/10

7:20 a.m.-2:45 p.m.

1 stop10h 25m

C$ 551

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Thu 10/9

6:00 a.m.-7:20 p.m.

1 stop10h 20m

Ottawa

Mon 14/9

8:15 p.m.-12:00 p.m.

1 stop18h 45m

C$ 551

Los AngelesOttawa

LAX Los Angeles Los Angeles - YOW Ottawa

LAXYOW

Los Angeles Los Angeles

Sat 12/9

6:45 a.m.-5:35 a.m.

2 stops19h 50m

Ottawa

Sat 19/9

6:15 p.m.-10:05 p.m.

3 stops30h 50m

C$ 568

Los AngelesOttawa

LAX Los Angeles Los Angeles - YOW Ottawa

LAXYOW

Los Angeles Los Angeles

Fri 16/10

6:05 p.m.-5:35 a.m.

1 stop8h 30m

Ottawa

Tue 20/10

6:50 a.m.-5:10 p.m.

2 stops13h 20m

C$ 576

Los AngelesOttawa

LAX Los Angeles Los Angeles - YOW Ottawa

LAXYOW

Los Angeles Los Angeles

Wed 30/9

12:10 p.m.-5:35 a.m.

2 stops14h 25m

Ottawa

Sun 1/11

7:00 a.m.-12:34 p.m.

1 stop8h 34m

C$ 577

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Thu 3/9

6:00 a.m.-5:15 p.m.

1 stop8h 15m

Ottawa

Thu 10/9

12:25 p.m.-9:55 p.m.

2 stops12h 30m

C$ 584

San FranciscoOttawa

SFO San Francisco - YOW Ottawa

SFOYOW

San Francisco

Thu 10/9

6:00 a.m.-7:20 p.m.

1 stop10h 20m

Ottawa

Mon 14/9

12:25 p.m.-8:14 a.m.

2 stops22h 49m

C$ 597

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from California to Ottawa (average of C$ 582). Flying from California to Ottawa in December is currently the most expensive (average of C$ 1,021). 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 California to Ottawa?

Airfare is below average for this route at the moment.
California to Ottawa flights typically cost between C$ 703 and C$ 1,097 in October.
The cheapest round-trip price found within the last 5 days was C$ 517 on WestJet (16 Oct-20 Oct).

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

To ensure you get the cheapest price possible for a flight from California to Ottawa, you should look to book at least 24 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.

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 WestJet, Porter Airlines, and United Airlines fly from California to Ottawa in about 7h 55m. The time it takes to get you to your destination can typically vary by up to 2h 25m. 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$ 103), Air Canada (C$ 180), and United Airlines (C$ 193).

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

    The most popular flight routes from California to Ottawa are Los Angeles Los Angeles - Ottawa, San Francisco - Ottawa and Ontario - 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, February is the cheapest month in which you can book a flight from California to Ottawa (average of C$ 582). Flying from California to Ottawa in December is currently the most expensive (average of C$ 1,021). 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
Prescott
Brockville
Wakefield
Pembroke
Smiths Falls

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Alternative routes for California to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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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 11 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 198AverageC$ 535FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 424AverageC$ 968FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 458AverageC$ 745FlexibilityNo cancel feeOn-time60%
Search WestJet 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.

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