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Cheap flights from California to Ottawa from C$ 134

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
28 Feb — 7 Mar1
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 29 January 2026.

Mon 20/44:50 p.m.
LAS
-
YOW
1 stop10h 55m
Multiple Airlines
Sun 26/43:05 p.m.
YOW
-
LAS
1 stop9h 57m
Multiple Airlines
Deal found 27/1C$ 343
Tue 14/47:30 p.m.
LAS
-
YOW
2 stops26h 09m
WestJet
Tue 21/45:40 a.m.
YOW
-
LAS
2 stops15h 33m
WestJet
Deal found 26/1C$ 399
Tue 14/44:45 p.m.
LAS
-
YOW
1 stop11h 00m
Air Canada
Sun 19/47:45 a.m.
YOW
-
LAS
1 stop11h 08m
Air Canada
Deal found 26/1C$ 400
Thu 9/49:15 p.m.
LAS
-
YOW
2 stops18h 08m
WestJet
Sat 11/46:00 a.m.
YOW
-
LAS
1 stop18h 33m
WestJet
Deal found 28/1C$ 403
Wed 15/412:30 p.m.
LAS
-
YOW
1 stop6h 46m
Air Canada
Thu 23/47:45 a.m.
YOW
-
LAS
1 stop11h 08m
Air Canada
Deal found 26/1C$ 405
Fri 17/44:50 p.m.
LAS
-
YOW
1 stop10h 55m
Air Canada
Sat 18/410:15 a.m.
YOW
-
LAS
1 stop15h 14m
Air Canada
Deal found 26/1C$ 406
Sat 11/44:45 p.m.
LAS
-
YOW
1 stop11h 00m
Air Canada
Mon 20/46:05 p.m.
YOW
-
LAS
1 stop7h 24m
Air Canada
Deal found 26/1C$ 411
Wed 15/49:10 a.m.
LAS
-
YOW
1 stop7h 06m
Air Canada
Mon 20/44:15 p.m.
YOW
-
LAS
1 stop9h 14m
Air Canada
Deal found 26/1C$ 417
Sat 11/46:15 a.m.
LAS
-
YOW
2 stops11h 59m
Air Canada
Sat 18/47:45 a.m.
YOW
-
LAS
1 stop11h 08m
Air Canada
Deal found 26/1C$ 419
Thu 9/411:59 p.m.
LAS
-
YOW
1 stop11h 00m
United Airlines
Sat 11/410:00 a.m.
YOW
-
LAS
1 stop15h 13m
United Airlines
Deal found 27/1C$ 421
Wed 15/49:10 a.m.
LAS
-
YOW
1 stop7h 06m
Air Canada
Sat 18/45:00 a.m.
YOW
-
LAS
2 stops13h 53m
Air Canada
Deal found 26/1C$ 424
Sat 11/47:00 a.m.
LAS
-
YOW
1 stop7h 07m
United Airlines
Tue 21/46:05 a.m.
YOW
-
LAS
2 stops15h 22m
United Airlines
Deal found 26/1C$ 428

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 29 January 2026.

Round-trip from

C$ 343

One-way from

C$ 134

Popular in

December

Cheapest in

May

Average price

C$ 702
Porter Airlines
  • Porter Airlines
  • 20/4-26/4
  • 2 total stops
  • 20h 52m total
  • California to Ottawa
Search Deals
WestJet
  • WestJet
  • 12/3
  • 2 total stops
  • 13h 34m total
  • California to Ottawa
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 259 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 29 January 2026.
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

Mon 13/4

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

1 stop11h 00m

Ottawa

Sat 18/4

7:45 a.m.-3:53 p.m.

1 stop11h 08m

C$ 400

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 14/4

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

1 stop11h 00m

Ottawa

Wed 22/4

7:45 a.m.-3:53 p.m.

1 stop11h 08m

C$ 400

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 14/4

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

1 stop11h 00m

Ottawa

Sat 18/4

7:45 a.m.-3:53 p.m.

1 stop11h 08m

C$ 400

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 14/4

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

1 stop11h 00m

Ottawa

Tue 21/4

7:45 a.m.-3:53 p.m.

1 stop11h 08m

C$ 400

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 16/4

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

1 stop11h 00m

Ottawa

Sun 19/4

7:45 a.m.-3:53 p.m.

1 stop11h 08m

C$ 400

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 17/4

4:50 p.m.-6:45 a.m.

1 stop10h 55m

Ottawa

Sat 18/4

10:15 a.m.-10:29 p.m.

1 stop15h 14m

C$ 406

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 9/4

8:05 a.m.-4:53 p.m.

1 stop29h 48m

Ottawa

Sat 11/4

6:00 a.m.-9:33 p.m.

1 stop18h 33m

C$ 411

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 17/4

4:50 p.m.-6:45 a.m.

1 stop10h 55m

Ottawa

Tue 21/4

4:15 p.m.-10:29 p.m.

1 stop9h 14m

C$ 411

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 11/4

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

1 stop11h 00m

Ottawa

Tue 21/4

4:15 p.m.-10:29 p.m.

1 stop9h 14m

C$ 411

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 17/4

4:50 p.m.-6:45 a.m.

1 stop10h 55m

Ottawa

Mon 20/4

6:05 p.m.-10:29 p.m.

1 stop7h 24m

C$ 411

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 60 results
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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, May is the cheapest month in which you can book a flight from California to Ottawa (average of C$ 144). Flying from California to Ottawa in December is currently the most expensive (average of C$ 278). 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.

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 11h. The time it takes to get you to your destination can typically vary by up to 16h 30m. 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$ 100), Air Canada (C$ 123), and United Airlines (C$ 127).

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

    The most popular flight routes from California to Ottawa are 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, May is the cheapest month in which you can book a flight from California to Ottawa (average of C$ 144). Flying from California to Ottawa in December is currently the most expensive (average of C$ 278). 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

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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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Newark to Ottawa 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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 143AverageC$ 468FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 200AverageC$ 376FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 396AverageC$ 699FlexibilityNo 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.

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