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$130+ Cheap flights from California to Ottawa (YOW)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap flight deals from California to Ottawa

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 July 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 pm
LAS
-
YOW
1 stop8h 25m
WestJet
Thu 9/1712:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 7/27$320
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:20 pm
LAS
-
YOW
2 stops13h 15m
WestJet
Fri 9/2512:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 7/24$323
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:10 pm
LAS
-
YOW
1 stop8h 25m
WestJet
Sat 9/512:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 7/26$328
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:10 pm
LAS
-
YOW
1 stop8h 25m
WestJet
Sat 9/512:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 7/26$331
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am
SFO
-
YOW
1 stop8h 15m
WestJet
Sun 10/1112:25 pm
YOW
-
SFO
2 stops12h 30m
WestJet
Deal found 7/27$337
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:10 pm
LAS
-
YOW
1 stop8h 25m
WestJet
Sat 8/221:20 pm
YOW
-
LAS
1 stop11h 20m
WestJet
Deal found 7/24$339
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:10 pm
LAS
-
YOW
1 stop8h 25m
WestJet
Sun 9/612:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 7/26$340
This Jettzy deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am
SFO
-
YOW
1 stop10h 20m
WestJet
Thu 9/1712:25 pm
YOW
-
SFO
2 stops12h 30m
WestJet
Deal found 7/27$349
This oojo deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:30 am
LAS
-
YOW
2 stops12h 50m
WestJet
Sun 9/612:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 7/26$350
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:35 pm
LAS
-
YOW
1 stop16h 55m
WestJet
Sun 9/612:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 7/26$355
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:10 pm
LAS
-
YOW
1 stop8h 25m
WestJet
Thu 9/312:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 7/26$358
This Trip.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am
SFO
-
YOW
1 stop8h 15m
WestJet
Mon 9/2812:25 pm
YOW
-
SFO
2 stops12h 30m
WestJet
Deal found 7/27$358

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$320
(Kiwi.com)

One-way from

$140
(FlightHub)

Popular in

December

Cheapest in

April

Average price

$561
Provider with most accurate pricing for Los Angeles Los Angeles-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Ottawa flights.
Search Deals
From California to Ottawa
Search Deals
One-way flight from California to Ottawa
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 2,558,603 searches. Data last updated July 28, 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

Tue 8/11

6:10 pm-5:35 am

1 stop8h 25m

Ottawa

Sat 8/22

1:20 pm-9:40 pm

1 stop11h 20m

$339

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 9/26

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Mon 9/28

12:25 pm-9:55 pm

2 stops12h 30m

$358

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 8/13

1:45 pm-12:40 am

1 stop7h 55m

Ottawa

Sun 8/16

1:20 pm-9:40 pm

1 stop11h 20m

$367

San DiegoOttawa

SAN - YOW

SANYOW

San Diego

Wed 9/9

3:30 pm-5:35 am

1 stop11h 05m

Ottawa

Wed 9/16

7:20 am-2:10 pm

1 stop9h 50m

$371

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 8/29

6:10 pm-5:35 am

1 stop8h 25m

Ottawa

Sun 9/6

6:00 am-12:55 pm

1 stop9h 55m

$372

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 8/26

1:45 pm-12:40 am

1 stop7h 55m

Ottawa

Sun 9/6

6:00 am-12:55 pm

1 stop9h 55m

$372

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Fri 9/25

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Sun 9/27

6:15 pm-9:55 pm

2 stops30h 40m

$392

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 9/9

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Sat 9/26

7:20 am-9:55 pm

1 stop17h 35m

$395

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sat 9/19

1:00 pm-5:35 am

1 stop13h 35m

Ottawa

Sat 10/3

12:25 pm-9:55 pm

2 stops12h 30m

$402

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Thu 10/1

6:00 am-7:20 pm

1 stop10h 20m

Ottawa

Fri 10/9

1:20 pm-8:23 am

2 stops22h 03m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 $417). Flying from California to Ottawa in December is currently the most expensive (average of $715). 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 $431 and $625 in October.
The cheapest round-trip price found within the last 5 days was $384 on WestJet (Oct 11-Oct 14).

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?

    Located just 6.6 mi from the city center, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from California.

  • How long is the flight from California to Ottawa?

    Departing from California to Ottawa will take you 8h 25m. Airlines will cover a distance of 2139 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Porter Airlines ($103), WestJet ($120), and United Airlines ($126).

  • 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 San Diego - 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 $417). Flying from California to Ottawa in December is currently the most expensive (average of $715). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau

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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 4 airlines flying from California to Ottawa

Discover the top 4 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 2,558,603 searches. Data last updated July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$173Average$425FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$181Average$760FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$192Average$649FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$246Average$521FlexibilityNo cancel feeOn-time52%

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