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$157+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
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 June 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/91:45 pm
LAS
-
YOW
1 stop7h 55m
WestJet
Wed 7/156:00 am
YOW
-
LAS
1 stop9h 55m
WestJet
Deal found 6/12$328
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/91:45 pm
LAS
-
YOW
1 stop7h 55m
WestJet
Tue 7/146:00 am
YOW
-
LAS
1 stop9h 55m
WestJet
Deal found 6/12$329
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/76:10 pm
LAS
-
YOW
1 stop8h 25m
WestJet
Sun 7/1912:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 6/11$331
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/81:45 pm
LAS
-
YOW
1 stop7h 55m
WestJet
Mon 7/137:20 am
YOW
-
LAS
2 stops11h 25m
WestJet
Deal found 6/10$332
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/81:45 pm
LAS
-
YOW
1 stop7h 55m
WestJet
Tue 7/146:00 am
YOW
-
LAS
1 stop9h 55m
WestJet
Deal found 6/10$336
This Trip.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/91:45 pm
LAS
-
YOW
1 stop7h 55m
WestJet
Thu 7/1612:25 pm
YOW
-
LAS
2 stops12h 15m
WestJet
Deal found 6/11$338
This Vliegwinkel deal was found by Cheapflights users on 6/12. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/11:15 pm
LAX
-
YOW
1 stop8h 25m
WestJet
Sat 8/86:00 am
YOW
-
LAX
1 stop9h 25m
WestJet
Deal found 6/12$393
This CheapOair deal was found by Cheapflights users on 6/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:05 pm
SFO
-
YOW
1 stop8h 30m
WestJet
Mon 8/246:00 am
YOW
-
SFO
1 stop9h 00m
WestJet
Deal found 6/7$398
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/166:05 pm
SFO
-
YOW
1 stop8h 30m
WestJet
Fri 7/246:00 am
YOW
-
SFO
1 stop9h 00m
WestJet
Deal found 6/10$403
This Trip.com deal was found by Cheapflights users on 6/10. 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.
Mon 7/207:30 am
LAX
-
YOW
1 stop8h 50m
WestJet
Wed 7/297:20 am
YOW
-
LAX
1 stop9h 45m
WestJet
Deal found 6/10$406
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/46:05 pm
LAX
-
YOW
1 stop8h 30m
WestJet
Tue 8/1112:25 pm
YOW
-
LAX
2 stops12h 40m
WestJet
Deal found 6/12$407
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 8/106:00 am
SFO
-
YOW
1 stop8h 15m
WestJet
Mon 8/1712:25 pm
YOW
-
SFO
2 stops12h 30m
WestJet
Deal found 6/7$407

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 June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$328
(Kiwi.com)

One-way from

$157
(Justfly.com)

Popular in

December

Cheapest in

June

Average price

$399
Provider with most accurate pricing for Los Angeles-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for 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. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 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 2,558,603 searches. Data last updated June 12, 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

Wed 7/15

6:10 pm-5:35 am

1 stop8h 25m

Ottawa

Sun 7/19

12:25 pm-9:40 pm

2 stops12h 15m

$332

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 7/9

1:20 pm-5:35 am

2 stops13h 15m

Ottawa

Wed 7/15

6:00 am-12:55 pm

1 stop9h 55m

$334

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Thu 7/9

1:45 pm-12:40 am

1 stop7h 55m

Ottawa

Mon 7/13

6:00 am-12:55 pm

1 stop9h 55m

$337

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 7/8

1:45 pm-12:40 am

1 stop7h 55m

Ottawa

Mon 7/13

6:00 am-12:55 pm

1 stop9h 55m

$337

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 7/24

4:35 pm-12:30 pm

1 stop16h 55m

Ottawa

Thu 8/6

12:25 pm-9:40 pm

2 stops12h 15m

$360

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 9/22

6:10 pm-5:35 am

1 stop8h 25m

Ottawa

Sat 9/26

12:25 pm-9:40 pm

2 stops12h 15m

$414

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Wed 10/21

1:20 pm-12:30 pm

2 stops20h 10m

Ottawa

Sun 10/25

6:00 am-6:39 pm

2 stops15h 39m

$489

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 8/4

6:00 am-5:15 pm

1 stop8h 15m

Ottawa

Sun 8/9

7:20 am-8:43 am

2 stops28h 23m

$493
Quickest round-trip

Santa AnaOttawa

SNA - YOW

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Tue 10/27

7:00 am-5:14 pm

1 stop7h 14m

Ottawa

Sat 10/31

2:46 pm-8:08 pm

1 stop8h 22m

$494

SacramentoOttawa

SMF - YOW

SMFYOW

Sacramento Intl

Thu 9/24

9:41 am-9:35 pm

1 stop8h 54m

Ottawa

Mon 9/28

7:30 pm-9:29 am

2 stops16h 59m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $100). Flying from California to Ottawa in January is currently the most expensive (average of $356). 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 84 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 7h 14m. Airlines will cover a distance of 2357 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 WestJet ($94), Porter Airlines ($103), 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 - 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, October is the cheapest month in which you can book a flight from California to Ottawa (average of $100). Flying from California to Ottawa in January is currently the most expensive (average of $356). 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 June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$146Average$406FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$181Average$702FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$192Average$635FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$246Average$459FlexibilityNo cancel feeOn-time52%

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