Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from California to Ottawa from C$ 90

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
20 Apr — 27 Apr1
1 adult

Cheap flight deals from California to Ottawa

Keep the following information in mind while searching for California to Ottawa flight deals. Data was last updated 15 April 2025.

Round-trip from

C$ 249

One-way from

C$ 90

Popular in

December

Cheapest in

February

Average price

C$ 506
WestJet
  • WestJet
  • 10/6-13/6
  • 4 total stops
  • 27h 57m total
  • California to Ottawa
Search Deals
WestJet
  • WestJet
  • 4/6
  • 2 total stops
  • 13h 50m total
  • California to Ottawa
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 15 April 2025.

Tue 10/612:35 p.m.LAX - YOW
2 stops13h 50mWestJet
Fri 13/66:10 a.m.YOW - LAX
2 stops14h 07mWestJet
Deal found 15/4C$ 249
Wed 7/512:35 p.m.LAX - YOW
2 stops15h 10mMultiple Airlines
Sun 18/57:00 a.m.YOW - LAX
1 stop8h 10mMultiple Airlines
Deal found 14/4C$ 250
Fri 16/512:20 p.m.LAS - YOW
Nonstop4h 35mMultiple Airlines
Wed 21/55:55 p.m.YOW - LAS
1 stop7h 35mMultiple Airlines
Deal found 15/4C$ 306
Fri 9/51:10 p.m.LAX - YOW
1 stop8h 11mPorter Airlines
Sun 18/57:00 a.m.YOW - LAX
1 stop8h 10mPorter Airlines
Deal found 14/4C$ 311
Mon 5/510:20 p.m.LAX - YOW
1 stop7h 41mAir Canada
Mon 19/56:00 a.m.YOW - LAX
1 stop8h 05mAir Canada
Deal found 14/4C$ 317
Thu 1/55:55 p.m.LAX - YOW
1 stop17h 09mUnited Airlines
Sat 10/55:15 a.m.YOW - LAX
1 stop8h 26mUnited Airlines
Deal found 14/4C$ 331
Sun 1/66:05 p.m.SFO - YOW
1 stop9h 40mMultiple Airlines
Sat 7/66:00 a.m.YOW - SFO
1 stop8h 35mMultiple Airlines
Deal found 15/4C$ 373
Fri 16/511:30 p.m.LAS - YOW
2 stops11h 20mAir Canada
Wed 21/56:00 a.m.YOW - LAS
2 stops11h 55mAir Canada
Deal found 15/4C$ 374
Wed 14/51:30 p.m.SFO - YOW
1 stop7h 51mPorter Airlines
Sun 18/57:00 a.m.YOW - SFO
1 stop8h 30mPorter Airlines
Deal found 15/4C$ 377
Tue 10/66:05 p.m.SFO - YOW
1 stop9h 40mWestJet
Sun 15/66:00 a.m.YOW - SFO
1 stop9h 05mWestJet
Deal found 15/4C$ 381
Sun 13/72:05 p.m.SAN - YOW
2 stops12h 20mWestJet
Fri 18/76:00 a.m.YOW - SAN
1 stop10h 20mWestJet
Deal found 14/4C$ 391
Wed 21/56:15 a.m.SAN - YOW
1 stop10h 40mMultiple Airlines
Sun 25/59:05 a.m.YOW - SAN
1 stop13h 48mMultiple Airlines
Deal found 14/4C$ 419

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 15 April 2025.
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

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Tue 10/6

12:35 p.m.-5:25 a.m.

2 stops13h 50m

Ottawa

Fri 13/6

6:10 a.m.-5:17 p.m.

2 stops14h 07m

C$ 249

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 7/5

12:35 p.m.-6:45 a.m.

2 stops15h 10m

Ottawa

Sun 18/5

7:00 a.m.-12:10 p.m.

1 stop8h 10m

C$ 250

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 16/5

12:20 p.m.-7:55 p.m.

Nonstop4h 35m

Ottawa

Wed 21/5

5:55 p.m.-10:30 p.m.

1 stop7h 35m

C$ 306

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Fri 9/5

1:10 p.m.-12:21 a.m.

1 stop8h 11m

Ottawa

Sun 18/5

7:00 a.m.-12:10 p.m.

1 stop8h 10m

C$ 311

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Mon 5/5

10:20 p.m.-9:01 a.m.

1 stop7h 41m

Ottawa

Mon 19/5

6:00 a.m.-11:05 a.m.

1 stop8h 05m

C$ 317

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Thu 1/5

5:55 p.m.-2:04 p.m.

1 stop17h 09m

Ottawa

Sat 10/5

5:15 a.m.-10:41 a.m.

1 stop8h 26m

C$ 331

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Sun 1/6

6:05 p.m.-6:45 a.m.

1 stop9h 40m

Ottawa

Sat 7/6

6:00 a.m.-11:35 a.m.

1 stop8h 35m

C$ 373

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Fri 16/5

11:30 p.m.-1:50 p.m.

2 stops11h 20m

Ottawa

Wed 21/5

6:00 a.m.-2:55 p.m.

2 stops11h 55m

C$ 374

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 14/5

1:30 p.m.-12:21 a.m.

1 stop7h 51m

Ottawa

Sun 18/5

7:00 a.m.-12:30 p.m.

1 stop8h 30m

C$ 377

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Tue 10/6

6:05 p.m.-6:45 a.m.

1 stop9h 40m

Ottawa

Sun 15/6

6:00 a.m.-12:05 p.m.

1 stop9h 05m

C$ 381

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 57 results
1
2
3
...
6

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 C$ 224). Flying from California to Ottawa in December is currently the most expensive (average of C$ 326). 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.

What is the cheapest time of day to fly from CA to YOW?

Find hourly flight availability from California to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Ottawa as you normally would.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 15 April 2025.
Read through reviews of airlines operating flights from California to Ottawa, such as Porter Airlines, Delta and Air Transat. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
281 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
281 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Delta
8.0
Very good
7,918 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,658 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
WestJet
7.2
Good
2,805 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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.

  • 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$ 90), Air Canada (C$ 125), and Porter Airlines (C$ 129).

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

    The most popular flight routes from California to Ottawa are San Francisco - Ottawa, Los Angeles - Ottawa and San Jose - 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 C$ 224). Flying from California to Ottawa in December is currently the most expensive (average of C$ 326). 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 California?

Book flights to California if you plan to visit one of these locations
Gatineau
Perth
Smiths Falls
Prescott
Brockville
Wakefield
Lanark

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for California to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
Newark to Pierre Elliott Trudeau Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Boston to Pearson Intl flights
San Francisco to Pearson Intl flights
Los Angeles to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Dallas/Fort Worth to Pearson Intl flights
Seattle to Pearson Intl flights
Hobby to Pearson Intl flights
O'Hare Intl to Pearson Intl flights
Boston to Toronto Island flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
Baltimore to Pearson Intl flights
Denver to Pearson Intl flights
Philadelphia to Pearson Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Orlando to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Denver to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson Intl flights
San Diego to Pearson Intl flights
Seattle to Pierre Elliott Trudeau Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Raleigh to Pearson Intl flights
Midway to Pearson Intl flights
Midway to Toronto Island flights
Austin to Pearson Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
Midway to Pierre Elliott Trudeau Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
Tampa to Pearson Intl flights
Charlotte to Pearson Intl flights

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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 324AverageC$ 745FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 392AverageC$ 611FlexibilityNo cancel feeOn-time52%
Search Porter 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.