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Cheap flights from Ottawa to California from $164

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to California departing on 3/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ottawa to California

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
5:40 am - 10:12 pm
YOW
-
LAS
19h 32m
1 stop
WestJet Logo
12:35 pm - 12:20 am
LAS
-
YOW
8h 45m
1 stop
$246WestJet
Fri, Apr 24 - Tue, Apr 28
Air Canada Logo
6:00 am - 10:35 am
YOW
-
LAS
7h 35m
1 stop
Air Canada Logo
6:45 am - 8:45 pm
LAS
-
YOW
11h 00m
1 stop
$277Air Canada
Wed, May 6 - Tue, May 12
WestJet Logo
5:40 am - 10:12 pm
YOW
-
LAS
19h 32m
1 stop
WestJet Logo
7:05 pm - 12:39 am
LAS
-
YOW
26h 34m
2 stops
$278WestJet
Fri, Apr 10 - Fri, Apr 17
WestJet Logo
5:40 am - 10:12 pm
YOW
-
LAS
19h 32m
1 stop
WestJet Logo
11:25 pm - 12:39 am
LAS
-
YOW
22h 14m
1 stop
$280WestJet
Fri, Apr 10 - Fri, Apr 17
WestJet Logo
5:40 am - 8:16 pm
YOW
-
LAS
17h 36m
2 stops
WestJet Logo
7:05 pm - 12:39 am
LAS
-
YOW
26h 34m
2 stops
$283WestJet
Thu, Mar 19 - Thu, Mar 26
WestJet Logo
5:40 am - 10:12 pm
YOW
-
LAS
19h 32m
1 stop
WestJet Logo
7:05 pm - 12:39 am
LAS
-
YOW
26h 34m
2 stops
$284WestJet
Thu, Mar 19 - Thu, Mar 26
Air Canada Logo
3:55 pm - 10:00 pm
YOW
-
LAX
9h 05m
1 stop
Air Canada Logo
7:35 am - 7:18 pm
LAX
-
YOW
8h 43m
1 stop
$298Air Canada
Fri, Mar 6 - Sat, Mar 14
United Airlines Logo
7:30 pm - 1:05 am
YOW
-
LAX
8h 35m
1 stop
United Airlines Logo
11:02 pm - 1:59 pm
LAX
-
YOW
11h 57m
1 stop
$316United Airlines
Wed, Apr 1 - Sat, Apr 25
United Airlines Logo
2:15 pm - 1:09 am
YOW
-
LAX
13h 54m
1 stop
United Airlines Logo
7:00 am - 5:07 pm
LAX
-
YOW
7h 07m
1 stop
$318United Airlines
Thu, Mar 12 - Tue, Mar 31
American Airlines Logo
6:45 am - 10:32 pm
YOW
-
SJC
18h 47m
3 stops
American Airlines Logo
2:08 pm - 4:48 pm
SJC
-
YOW
23h 40m
2 stops
$1,115American Airlines
Fri, Mar 20 - Fri, Mar 27

United Airlines flights from Ottawa to California

Our best United Airlines deals on Ottawa to California flight tickets
United Airlines
Apr 14
YOW6:25 amOttawa
18h 34m
1 stop
LAS9:59 pmLas Vegas Harry Reid Intl
Apr 16
LAS10:40 pmLas Vegas Harry Reid Intl
7h 31m
1 stop
YOW9:11 amOttawa
$291
United Airlines
Apr 14
YOW6:25 amOttawa
9h 03m
1 stop
LAS12:28 pmLas Vegas Harry Reid Intl
Apr 21
LAS12:36 amLas Vegas Harry Reid Intl
10h 23m
2 stops
YOW1:59 pmOttawa
$292
United Airlines
Apr 1
YOW7:30 pmOttawa
8h 35m
1 stop
LAX1:05 amLos Angeles
Apr 25
LAX11:02 pmLos Angeles
11h 57m
1 stop
YOW1:59 pmOttawa
$316

Air Canada flights from Ottawa to California

Our best Air Canada deals on Ottawa to California flight tickets
Air Canada
May 6
YOW6:00 amOttawa
7h 35m
1 stop
LAS10:35 amLas Vegas Harry Reid Intl
May 12
LAS6:45 amLas Vegas Harry Reid Intl
11h 00m
1 stop
YOW8:45 pmOttawa
$277
Air Canada
Mar 6
YOW3:55 pmOttawa
9h 05m
1 stop
LAX10:00 pmLos Angeles
Mar 14
LAX7:35 amLos Angeles
8h 43m
1 stop
YOW7:18 pmOttawa
$298
Air Canada
Jun 13
YOW4:00 pmOttawa
9h 29m
1 stop
LAS10:29 pmLas Vegas Harry Reid Intl
Jun 15
LAS6:45 amLas Vegas Harry Reid Intl
15h 10m
1 stop
YOW12:55 amOttawa
$300

momondo 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, momondo users made 832,500 searches. Data last updated February 6, 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

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 4/24

5:40 am-10:12 pm

1 stop19h 32m

Las Vegas Harry Reid Intl

Tue 4/28

12:35 pm-12:20 am

1 stop8h 45m

$246

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 5/6

6:00 am-10:35 am

1 stop7h 35m

Las Vegas Harry Reid Intl

Tue 5/12

6:45 am-8:45 pm

1 stop11h 00m

$277

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 4/10

5:40 am-10:12 pm

1 stop19h 32m

Las Vegas Harry Reid Intl

Fri 4/17

7:05 pm-12:39 am

2 stops26h 34m

$278

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 4/10

5:40 am-10:12 pm

1 stop19h 32m

Las Vegas Harry Reid Intl

Fri 4/17

11:25 pm-12:39 am

1 stop22h 14m

$280

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 3/19

5:40 am-8:16 pm

2 stops17h 36m

Las Vegas Harry Reid Intl

Thu 3/26

7:05 pm-12:39 am

2 stops26h 34m

$283

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 3/19

5:40 am-10:12 pm

1 stop19h 32m

Las Vegas Harry Reid Intl

Thu 3/26

7:05 pm-12:39 am

2 stops26h 34m

$284

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 3/6

3:55 pm-10:00 pm

1 stop9h 05m

Los Angeles

Sat 3/14

7:35 am-7:18 pm

1 stop8h 43m

$298

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Wed 4/1

7:30 pm-1:05 am

1 stop8h 35m

Los Angeles

Sat 4/25

11:02 pm-1:59 pm

1 stop11h 57m

$316

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Thu 3/12

2:15 pm-1:09 am

1 stop13h 54m

Los Angeles

Tue 3/31

7:00 am-5:07 pm

1 stop7h 07m

$318

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Fri 3/20

6:45 am-10:32 pm

3 stops18h 47m

San Jose

Fri 3/27

2:08 pm-4:48 pm

2 stops23h 40m

$1,115

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to California from

How to get the cheapest flight ticket from Ottawa to California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to California?

The month of August is another great option to travel to California, with average flight prices from Ottawa averaging around $268.

How far in advance should I book a flight to California?

You are more likely to see cheaper flights to California from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $321 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Ottawa for as low as $243 on momondo.

Can stopping save me money on Ottawa to California flights?

You could potentially save up to 14% on your flight if you consider stops on a Ottawa to California flight.

Cheap Ottawa to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to California

Fastest flight time

7h 39m

Direct flights

None
The fastest flight from Ottawa to California takes 7h 39m
There are no direct flights from Ottawa to California. There are no popular flight routes from Ottawa to California.
Search flight deals

  • When did momondo last update prices for flights from Ottawa Airport to California?

    Prices for flights from Ottawa Airport to California were last updated today.

  • How many operators does momondo search for flights from Ottawa Airport to California?

  • How old do you have to be to fly from Ottawa Airport to California?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to California.

  • What documentation or ID do you need to fly to California?

    The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ottawa to California

Compare and see reviews for airlines that fly from Ottawa to California with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $102Free CancellationRating
7.1
10,694 reviews
Search Air Canada flights
United AirlinesPriceFrom $139Free CancellationRating
7.4
9,241 reviews
Search United Airlines flights
WestJetPriceFrom $176Free CancellationRating
7.2
3,255 reviews
Search WestJet flights
Porter AirlinesPriceFrom $226Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to California?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to California for you.

Can I find flights from Ottawa to California with flexible booking policies on momondo?

All flight searches from Ottawa to California on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ottawa to California?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to California from Ottawa.

I’m not ready to book a flight from Ottawa to California right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to California from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your California trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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