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Cheap flights from California to Ottawa from C$ 196

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
5 Jun — 12 Jun1
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 6 May 2026.

Mon 25/510:30 p.m.
LAX
-
YOW
1 stop8h 11m
Air Canada
Mon 1/63:00 p.m.
YOW
-
LAX
1 stop9h 29m
Air Canada
Deal found 1/5C$ 456
Tue 8/96:00 a.m.
SFO
-
YOW
1 stop10h 20m
WestJet
Mon 21/912:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Deal found 3/5C$ 458
Mon 7/96:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Thu 17/912:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Deal found 1/5C$ 459
Fri 5/611:30 p.m.
LAS
-
YOW
1 stop14h 37m
United Airlines
Tue 9/63:10 p.m.
YOW
-
LAS
1 stop10h 28m
United Airlines
Deal found 3/5C$ 473
Sat 13/611:25 p.m.
LAS
-
YOW
1 stop7h 16m
Multiple Airlines
Fri 19/67:00 a.m.
YOW
-
LAS
1 stop7h 42m
Multiple Airlines
Deal found 3/5C$ 479
Wed 26/86:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Sun 6/91:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Deal found 1/5C$ 490
Wed 3/66:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Thu 11/612:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Deal found 1/5C$ 492
Thu 24/96:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Mon 28/91:20 p.m.
YOW
-
SFO
1 stop25h 40m
WestJet
Deal found 5/5C$ 507
Wed 3/66:05 p.m.
SFO
-
YOW
1 stop8h 30m
Multiple Airlines
Thu 11/67:00 a.m.
YOW
-
SFO
1 stop8h 20m
Multiple Airlines
Deal found 2/5C$ 509
Tue 2/66:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Sat 6/612:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Deal found 3/5C$ 513
Fri 26/68:30 a.m.
LAS
-
YOW
2 stops12h 50m
WestJet
Thu 9/712:25 p.m.
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 30/4C$ 516
Thu 17/97:30 a.m.
LAX
-
YOW
1 stop8h 50m
WestJet
Sun 20/912:25 p.m.
YOW
-
LAX
2 stops12h 40m
WestJet
Deal found 2/5C$ 523

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 6 May 2026.

Round-trip from

C$ 440

One-way from

C$ 196

Popular in

December

Cheapest in

June

Average price

C$ 596
WestJet
  • WestJet
  • 3/6-11/6
  • 3 total stops
  • 21h 00m total
  • California to Ottawa
Search Deals
United Airlines
  • United Airlines
  • 29/5
  • 1 total stop
  • 15h 38m total
  • California to Ottawa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 6 May 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

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Mon 25/5

10:30 p.m.-9:41 a.m.

1 stop8h 11m

Ottawa

Mon 1/6

3:00 p.m.-9:29 p.m.

1 stop9h 29m

C$ 456

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 5/6

11:30 p.m.-5:07 p.m.

1 stop14h 37m

Ottawa

Tue 9/6

3:10 p.m.-10:38 p.m.

1 stop10h 28m

C$ 473

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 26/8

1:20 p.m.-5:35 a.m.

2 stops13h 15m

Ottawa

Sun 6/9

1:20 p.m.-9:40 p.m.

1 stop11h 20m

C$ 497
Quickest round-trip

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 29/6

11:25 p.m.-9:24 a.m.

1 stop6h 59m

Ottawa

Tue 7/7

5:45 p.m.-10:24 p.m.

1 stop7h 39m

C$ 538

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 26/6

7:25 p.m.-11:35 a.m.

1 stop13h 10m

Ottawa

Thu 9/7

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

2 stops12h 15m

C$ 539

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Sat 13/6

9:00 p.m.-9:11 a.m.

1 stop9h 11m

Ottawa

Sat 20/6

7:30 p.m.-12:57 a.m.

1 stop8h 27m

C$ 545

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Thu 11/6

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

1 stop8h 30m

Ottawa

Sun 14/6

6:15 p.m.-2:05 p.m.

2 stops22h 50m

C$ 552

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 29/6

6:45 p.m.-10:03 a.m.

2 stops12h 18m

Ottawa

Tue 7/7

3:10 p.m.-10:44 p.m.

1 stop10h 34m

C$ 553

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Tue 26/5

6:45 p.m.-10:03 a.m.

2 stops12h 18m

Ottawa

Thu 11/6

5:25 p.m.-8:27 a.m.

1 stop18h 02m

C$ 558

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Mon 29/6

8:30 a.m.-12:20 a.m.

2 stops12h 50m

Ottawa

Tue 7/7

8:15 p.m.-12:30 p.m.

2 stops19h 15m

C$ 572

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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

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 18 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.

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$ 105). Flying from California to Ottawa in January is currently the most expensive (average of C$ 485). 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?

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, United Airlines, and WestJet fly from California to Ottawa in about 8h 11m. The time it takes to get you to your destination can typically vary by up to 6h 26m. There are 3819 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$ 101), United Airlines (C$ 144), and Air Canada (C$ 160).

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

    The most popular flight routes from California to Ottawa are Los Angeles - Ottawa, San Diego - 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$ 105). Flying from California to Ottawa in January is currently the most expensive (average of C$ 485). 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 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 193AverageC$ 692FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 365AverageC$ 574FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 376AverageC$ 579FlexibilityNo 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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