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Cheap flights from California to Ottawa from C$ 250

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
24 Jul — 31 Jul1
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 24 June 2026.

Thu 24/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Tue 29/96:55 a.m.
YOW
-
LAS
2 stops13h 20m
WestJet
Deal found 23/6C$ 479
Fri 4/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Sun 6/96:00 a.m.
YOW
-
LAS
1 stop9h 55m
WestJet
Deal found 23/6C$ 509
Sun 9/86:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Tue 18/81:20 p.m.
YOW
-
LAX
1 stop11h 45m
WestJet
Deal found 22/6C$ 551
Wed 12/86:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Mon 17/86:00 a.m.
YOW
-
SFO
1 stop9h 00m
WestJet
Deal found 21/6C$ 553
Sun 9/86:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Thu 13/86:00 a.m.
YOW
-
LAX
1 stop9h 25m
WestJet
Deal found 22/6C$ 555
Sun 9/86:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Sun 16/86:00 a.m.
YOW
-
LAX
1 stop9h 25m
WestJet
Deal found 20/6C$ 556
Wed 12/86:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Tue 18/812:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Deal found 22/6C$ 558
Tue 4/86:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Fri 14/86:00 a.m.
YOW
-
SFO
1 stop9h 00m
WestJet
Deal found 20/6C$ 562
Thu 13/86:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Tue 18/81:20 p.m.
YOW
-
LAX
1 stop11h 45m
WestJet
Deal found 20/6C$ 565
Sun 11/105:50 p.m.
SNA
-
YOW
1 stop8h 45m
WestJet
Thu 15/106:55 a.m.
YOW
-
SNA
2 stops13h 05m
WestJet
Deal found 23/6C$ 570
Wed 19/81:15 p.m.
LAX
-
YOW
1 stop8h 25m
WestJet
Wed 26/86:00 a.m.
YOW
-
LAX
1 stop9h 25m
WestJet
Deal found 21/6C$ 573
Tue 11/86:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Mon 17/86:00 a.m.
YOW
-
SFO
1 stop9h 00m
WestJet
Deal found 22/6C$ 573

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 24 June 2026.

Round-trip from

C$ 479

One-way from

C$ 250

Popular in

December

Cheapest in

April

Average price

C$ 627
WestJet
  • WestJet
  • 24/9-29/9
  • 3 total stops
  • 21h 45m total
  • California to Ottawa
Search Deals
WestJet
  • WestJet
  • 10/12
  • 2 total stops
  • 13h 42m total
  • California to Ottawa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 25 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 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 24 June 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 - YOW

SFOYOW

San Francisco

Wed 19/8

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

1 stop8h 15m

Ottawa

Sun 23/8

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

1 stop9h 00m

C$ 582

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 21/7

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

1 stop8h 15m

Ottawa

Tue 28/7

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

1 stop18h 45m

C$ 617

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Mon 27/7

11:00 p.m.-12:25 p.m.

2 stops34h 25m

Ottawa

Wed 5/8

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

1 stop9h 00m

C$ 627

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 22/7

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

1 stop8h 15m

Ottawa

Wed 29/7

6:55 a.m.-9:55 p.m.

2 stops18h 00m

C$ 640

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 4/8

6:10 p.m.-12:20 a.m.

2 stops27h 10m

Ottawa

Fri 14/8

6:25 p.m.-5:15 p.m.

2 stops25h 50m

C$ 652

Santa AnaOttawa

SNA - YOW

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Mon 21/9

6:32 p.m.-9:56 a.m.

2 stops12h 24m

Ottawa

Thu 24/9

6:01 p.m.-10:27 a.m.

1 stop19h 26m

C$ 654

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 26/8

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

1 stop8h 25m

Ottawa

Sun 6/9

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

1 stop9h 55m

C$ 656

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 30/7

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

1 stop8h 30m

Ottawa

Tue 4/8

12:25 p.m.-12:00 p.m.

2 stops26h 35m

C$ 657

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 16/9

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

1 stop8h 30m

Ottawa

Sun 20/9

4:15 p.m.-12:00 p.m.

1 stop22h 45m

C$ 663

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 15/7

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

1 stop8h 25m

Ottawa

Sun 19/7

6:55 a.m.-5:15 p.m.

2 stops13h 20m

C$ 690

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/6

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, October is the cheapest month in which you can book a flight from California to Ottawa (average of C$ 142). Flying from California to Ottawa in January is currently the most expensive (average of C$ 506). 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?

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 85 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 and United Airlines fly from California to Ottawa in about 8h 15m. The time it takes to get you to your destination can typically vary by up to 4h 09m. There are 3925 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$ 105), Air Canada (C$ 168), and Porter Airlines (C$ 192).

  • 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, Ontario - Ottawa and San Francisco - 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, October is the cheapest month in which you can book a flight from California to Ottawa (average of C$ 142). Flying from California to Ottawa in January is currently the most expensive (average of C$ 506). 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
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 24 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 202AverageC$ 546FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 433AverageC$ 865FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 467AverageC$ 760FlexibilityNo 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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