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Cheap flights from California to Ottawa from C$ 167

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
22 Apr — 29 Apr1
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 23 March 2026.

Fri 29/56:05 p.m.
SFO
-
YOW
1 stop8h 30m
WestJet
Sun 7/612:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Deal found 18/3C$ 417
Fri 3/711:30 p.m.
LAS
-
YOW
1 stop11h 29m
United Airlines
Fri 24/710:44 a.m.
YOW
-
LAS
2 stops16h 37m
United Airlines
Deal found 21/3C$ 429
Thu 11/66:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Sun 14/612:25 p.m.
YOW
-
LAX
2 stops12h 40m
WestJet
Deal found 18/3C$ 434
Fri 26/67:03 p.m.
LAS
-
YOW
1 stop15h 56m
United Airlines
Thu 9/710:44 a.m.
YOW
-
LAS
1 stop16h 15m
United Airlines
Deal found 22/3C$ 438
Mon 29/611:25 p.m.
LAS
-
YOW
1 stop6h 59m
Air Canada
Tue 7/75:45 p.m.
YOW
-
LAS
1 stop7h 39m
Air Canada
Deal found 22/3C$ 440
Tue 5/56:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Tue 12/51:20 p.m.
YOW
-
LAX
1 stop11h 45m
WestJet
Deal found 18/3C$ 442
Tue 5/56:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Tue 19/56:55 a.m.
YOW
-
LAX
2 stops13h 15m
WestJet
Deal found 18/3C$ 443
Mon 29/66:00 a.m.
LAS
-
YOW
2 stops13h 05m
United Airlines
Tue 7/76:25 a.m.
YOW
-
LAS
1 stop9h 36m
United Airlines
Deal found 23/3C$ 446
Wed 10/612:36 a.m.
LAS
-
YOW
1 stop10h 23m
United Airlines
Mon 15/63:10 p.m.
YOW
-
LAS
1 stop10h 28m
United Airlines
Deal found 20/3C$ 461
Wed 10/611:30 p.m.
LAS
-
YOW
1 stop14h 37m
United Airlines
Tue 16/66:05 a.m.
YOW
-
LAS
2 stops14h 53m
United Airlines
Deal found 21/3C$ 464
Thu 23/411:59 p.m.
LAS
-
YOW
1 stop14h 08m
United Airlines
Sun 26/410:44 a.m.
YOW
-
LAS
1 stop16h 15m
United Airlines
Deal found 18/3C$ 475
Mon 15/66:05 p.m.
LAX
-
YOW
1 stop8h 30m
WestJet
Fri 19/612:25 p.m.
YOW
-
LAX
2 stops12h 40m
WestJet
Deal found 18/3C$ 482

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 23 March 2026.

Round-trip from

C$ 417

One-way from

C$ 167

Popular in

December

Cheapest in

July

Average price

C$ 818
WestJet
  • WestJet
  • 29/5-7/6
  • 3 total stops
  • 21h 00m total
  • California to Ottawa
Search Deals
United Airlines
  • United Airlines
  • 4/7
  • 1 total stop
  • 10h 23m total
  • California to Ottawa
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 23 March 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

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 26/6

7:03 p.m.-1:59 p.m.

1 stop15h 56m

Ottawa

Thu 9/7

10:44 a.m.-11:59 p.m.

1 stop16h 15m

C$ 438

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sun 28/6

12:36 a.m.-5:07 p.m.

1 stop13h 31m

Ottawa

Tue 7/7

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

1 stop10h 34m

C$ 438

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 7/5

1:00 p.m.-11:35 a.m.

2 stops19h 35m

Ottawa

Sun 10/5

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

2 stops12h 30m

C$ 505

SacramentoOttawa

SMF - YOW

SMFYOW

Sacramento Intl

Sun 3/5

11:59 p.m.-1:59 p.m.

1 stop11h 00m

Ottawa

Thu 7/5

5:25 p.m.-10:45 p.m.

1 stop8h 20m

C$ 531

SacramentoOttawa

SMF - YOW

SMFYOW

Sacramento Intl

Tue 5/5

1:55 p.m.-10:03 a.m.

2 stops17h 08m

Ottawa

Thu 7/5

5:25 p.m.-10:45 p.m.

1 stop8h 20m

C$ 545

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 29/5

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

1 stop8h 30m

Ottawa

Sun 7/6

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

2 stops12h 30m

C$ 547

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Tue 19/5

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

1 stop9h 11m

Ottawa

Sun 24/5

10:44 a.m.-4:56 p.m.

1 stop9h 12m

C$ 549

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 15/4

9:20 p.m.-10:03 a.m.

1 stop9h 43m

Ottawa

Fri 17/4

7:30 p.m.-12:55 a.m.

1 stop8h 25m

C$ 549

SacramentoOttawa

SMF - YOW

SMFYOW

Sacramento Intl

Fri 17/4

7:05 p.m.-9:11 a.m.

2 stops11h 06m

Ottawa

Fri 24/4

6:25 a.m.-8:31 p.m.

2 stops17h 06m

C$ 551

Palm SpringsOttawa

PSP - YOW

PSPYOW

Palm Springs

Tue 12/5

7:35 p.m.-2:22 p.m.

2 stops15h 47m

Ottawa

Wed 20/5

6:25 a.m.-12:02 p.m.

1 stop8h 37m

C$ 560

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/3

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, May is the cheapest month in which you can book a flight from California to Ottawa (average of C$ 145). Flying from California to Ottawa in December is currently the most expensive (average of C$ 281). 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 United Airlines, Air Canada, and WestJet fly from California to Ottawa in about 6h 59m. The time it takes to get you to your destination can typically vary by up to 7h 38m. 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$ 101), Air Canada (C$ 124), 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 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, May is the cheapest month in which you can book a flight from California to Ottawa (average of C$ 145). Flying from California to Ottawa in December is currently the most expensive (average of C$ 281). 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
Perth
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 2 airlines flying from California to Ottawa

Discover the top 2 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 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 145AverageC$ 575FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 202AverageC$ 379FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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