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Cheap flights from Ottawa to California from C$ 245

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
28 Jun — 5 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to California

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to California
Explore the most affordable flight options available from Ottawa to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 May 2026.

Mon 14/97:20 a.m.
YOW
-
LAS
2 stops11h 25m
WestJet
Fri 18/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 25/5C$ 422
Mon 14/97:20 a.m.
YOW
-
LAS
2 stops11h 25m
WestJet
Wed 23/91:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 24/5C$ 423
Thu 17/91:20 p.m.
YOW
-
LAS
1 stop11h 20m
WestJet
Sun 20/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 25/5C$ 429
Tue 15/96:55 a.m.
YOW
-
LAS
2 stops13h 20m
WestJet
Tue 22/96:10 p.m.
LAS
-
YOW
1 stop8h 25m
WestJet
Deal found 25/5C$ 437
Wed 7/107:20 a.m.
YOW
-
LAS
2 stops11h 25m
WestJet
Sun 11/101:20 p.m.
LAS
-
YOW
2 stops13h 15m
WestJet
Deal found 26/5C$ 440
Mon 9/116:45 a.m.
YOW
-
LAS
1 stop7h 57m
Porter Airlines
Tue 17/1112:40 p.m.
LAS
-
YOW
1 stop8h 59m
Porter Airlines
Deal found 24/5C$ 442
Wed 16/96:25 a.m.
YOW
-
SMF
1 stop8h 26m
United Airlines
Sat 19/910:48 p.m.
SMF
-
YOW
1 stop14h 50m
United Airlines
Deal found 27/5C$ 474
Tue 30/65:50 p.m.
YOW
-
SMF
2 stops18h 45m
United Airlines
Tue 21/710:54 p.m.
SMF
-
YOW
1 stop14h 44m
United Airlines
Deal found 28/5C$ 499
Tue 28/75:20 p.m.
YOW
-
SMF
2 stops19h 15m
United Airlines
Thu 30/75:00 a.m.
SMF
-
YOW
2 stops15h 54m
United Airlines
Deal found 23/5C$ 501
Thu 10/912:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Wed 30/96:00 a.m.
SFO
-
YOW
1 stop10h 20m
WestJet
Deal found 27/5C$ 503
Fri 4/912:25 p.m.
YOW
-
SFO
2 stops12h 30m
WestJet
Mon 14/96:00 a.m.
SFO
-
YOW
1 stop8h 15m
WestJet
Deal found 26/5C$ 507
Wed 28/106:00 a.m.
YOW
-
LAX
1 stop10h 29m
Air Canada
Tue 3/112:25 p.m.
LAX
-
YOW
1 stop11h 33m
Air Canada
Deal found 27/5C$ 514

Find flight deals from Ottawa to California

Keep the following information in mind while searching for Ottawa to California flight deals. Data was last updated 29 May 2026.

Round-trip from

C$ 422

One-way from

C$ 245

Popular in

December

Cheapest in

October

Average price

C$ 572
WestJet
  • WestJet
  • 14/9-18/9
  • 3 total stops
  • 19h 50m total
  • Ottawa to California
Search Deals
WestJet
  • WestJet
  • 17/9
  • 1 total stop
  • 11h 20m total
  • Ottawa to California
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 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 Ottawa to California 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 29 May 2026.
Use the filters below to find and compare flights from Ottawa to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSacramento

YOW - SMF

YOWSMF

Ottawa

Wed 16/9

10:37 a.m.-10:59 p.m.

2 stops15h 22m

Sacramento Intl

Sat 19/9

7:20 a.m.-11:54 p.m.

2 stops13h 34m

C$ 474

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 13/11

2:48 p.m.-11:15 p.m.

2 stops11h 27m

Las Vegas Harry Reid Intl

Mon 16/11

10:30 p.m.-9:11 a.m.

1 stop7h 41m

C$ 477

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 10/7

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

2 stops12h 15m

Las Vegas Harry Reid Intl

Wed 15/7

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

2 stops13h 15m

C$ 483

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 20/6

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

1 stop10h 28m

Las Vegas Harry Reid Intl

Tue 23/6

4:25 p.m.-10:03 a.m.

2 stops14h 38m

C$ 491

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 25/6

6:05 a.m.-5:08 p.m.

1 stop14h 03m

Las Vegas Harry Reid Intl

Thu 2/7

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

1 stop15h 56m

C$ 491

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 11/8

7:34 p.m.-11:04 a.m.

1 stop18h 30m

Las Vegas Harry Reid Intl

Fri 14/8

6:05 p.m.-9:56 a.m.

2 stops12h 51m

C$ 491

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 13/6

6:05 a.m.-11:28 a.m.

1 stop8h 23m

Las Vegas Harry Reid Intl

Mon 15/6

10:00 p.m.-9:11 a.m.

1 stop8h 11m

C$ 492

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 4/10

6:25 a.m.-6:43 p.m.

1 stop15h 18m

Las Vegas Harry Reid Intl

Wed 7/10

10:50 a.m.-9:35 p.m.

1 stop7h 45m

C$ 492

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 11/8

6:55 a.m.-5:15 p.m.

2 stops13h 20m

Las Vegas Harry Reid Intl

Fri 14/8

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

2 stops12h 50m

C$ 499

OttawaSacramento

YOW - SMF

YOWSMF

Ottawa

Tue 30/6

6:00 a.m.-10:43 p.m.

2 stops19h 43m

Sacramento Intl

Mon 20/7

6:37 p.m.-10:03 a.m.

2 stops12h 26m

C$ 499

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Ottawa to California

Have a flexible travel schedule? Discover the best time to fly to California from Ottawa 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 Ottawa to California

What is the cheapest month to book a flight from Ottawa to California?

Currently, July is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 127). Flying from Ottawa to California in February is currently the most expensive (average of C$ 325). 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 Ottawa to California?

How far ahead should I book a flight from Ottawa to California?

To ensure you get the cheapest price possible for a flight from Ottawa to California, you should look to book at least 35 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.

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated 29 May 2026.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet from Ottawa to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
439 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,760 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,349 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
11,096 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to California. 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 from for flights from Ottawa to California?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to California. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

  • How long is the flight from Ottawa to California?

    Departing from Ottawa to California will take you 8h 20m. Ottawa and California are separated by a distance of 3925 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ottawa to California one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 197. Air Canada flights start at C$ 200 while deals on United Airlines start at C$ 213 one-way.

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

    The most popular flight routes from Ottawa to California are Ottawa - Las Vegas Harry Reid Intl, Ottawa - Los Angeles Los Angeles and Ottawa - San Francisco.

  • Can I find deals for flights from Ottawa to California that include hotel bookings?

    Yes. In addition to deals on Ottawa to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to California.

  • Can I find deals for business class flights from Ottawa to California?

    Yes. Cheapflights offers flight deals from Ottawa to California 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 Ottawa to California?

    Currently, July is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 127). Flying from Ottawa to California in February is currently the most expensive (average of C$ 325). 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

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Alternative routes for Ottawa to California

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ottawa to California

Discover the top 4 airlines that operate flights from Ottawa to California. 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 29 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 260AverageC$ 439FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 312AverageC$ 647FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 316AverageC$ 632FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 318AverageC$ 584FlexibilityNo 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 Ottawa to California?

Cheapflights helps you search for flights from Ottawa to California via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to California?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to California 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 Ottawa to California with no change fees?

Certainly. Search results for flights to California from Ottawa 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 Ottawa to California become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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