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Cheap flights from Ottawa to California from $131

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 1/23. 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 - 11:58 amYOW-LAS
9h 18m1 stop
WestJet Logo
8:00 am - 12:42 amLAS-YOW
13h 42m2 stops
$267WestJet
Find Deal
Fri, Nov 28 - Fri, Dec 5
WestJet Logo
5:40 am - 11:58 amYOW-LAS
9h 18m1 stop
WestJet Logo
8:00 am - 12:42 amLAS-YOW
13h 42m2 stops
$268WestJet
Find Deal
Fri, Nov 28 - Fri, Dec 5
Multiple Airlines Logo
5:40 am - 11:58 amYOW-LAS
9h 18m1 stop
Multiple Airlines Logo
7:15 pm - 2:44 pmLAS-YOW
16h 29m1 stop
$280Multiple Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 5
Air Canada Logo
7:45 am - 3:59 pmYOW-LAS
11h 14m1 stop
Air Canada Logo
4:45 pm - 6:43 amLAS-YOW
10h 58m1 stop
$290Air Canada
Find Deal
Tue, Dec 2 - Tue, Dec 9
United Airlines Logo
7:30 pm - 1:41 pmYOW-SJC
21h 11m2 stops
United Airlines Logo
3:55 pm - 10:26 amSJC-YOW
15h 31m2 stops
$299United Airlines
Find Deal
Tue, Feb 24 - Wed, Feb 25
United Airlines Logo
5:14 pm - 10:28 pmYOW-SJC
8h 14m1 stop
United Airlines Logo
8:45 am - 10:26 amSJC-YOW
22h 41m2 stops
$300United Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
Air Canada Logo
2:50 pm - 8:39 pmYOW-LAS
8h 49m1 stop
Air Canada Logo
4:45 pm - 6:43 amLAS-YOW
10h 58m1 stop
$302Air Canada
Find Deal
Tue, Dec 2 - Tue, Dec 9
Multiple Airlines Logo
5:40 am - 11:42 amYOW-LAS
9h 02m1 stop
Multiple Airlines Logo
7:15 pm - 2:44 pmLAS-YOW
16h 29m1 stop
$310Multiple Airlines
Find Deal
Sat, Nov 29 - Fri, Dec 5
Porter Airlines Logo
6:45 am - 11:42 amYOW-LAS
7h 57m1 stop
Porter Airlines Logo
12:40 pm - 12:41 amLAS-YOW
9h 01m1 stop
$316Porter Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Porter Airlines Logo
3:00 pm - 10:02 pmYOW-LAS
10h 02m1 stop
Porter Airlines Logo
12:40 pm - 12:41 amLAS-YOW
9h 01m1 stop
$318Porter Airlines
Find Deal
Sun, Dec 14 - Mon, Dec 22

United Airlines flights from Ottawa to California

Our best United Airlines deals on Ottawa to California flight tickets
United Airlines
Feb 24
YOW7:30 pmOttawa
21h 11m
2 stops
SJC1:41 pmSan Jose
Feb 25
SJC3:55 pmSan Jose
15h 31m
2 stops
YOW10:26 amOttawa
$299
Find similar
United Airlines
Nov 26
YOW5:14 pmOttawa
8h 14m
1 stop
SJC10:28 pmSan Jose
Dec 3
SJC8:45 amSan Jose
22h 41m
2 stops
YOW10:26 amOttawa
$300
Find similar
United Airlines
Dec 14
YOW2:17 pmOttawa
10h 35m
1 stop
LAS9:52 pmLas Vegas Harry Reid Intl
Dec 14
LAS11:59 pmLas Vegas Harry Reid Intl
7h 27m
1 stop
YOW10:26 amOttawa
$301
Find similar

Air Canada flights from Ottawa to California

Our best Air Canada deals on Ottawa to California flight tickets
Air Canada
Dec 2
YOW7:45 amOttawa
11h 14m
1 stop
LAS3:59 pmLas Vegas Harry Reid Intl
Dec 9
LAS4:45 pmLas Vegas Harry Reid Intl
10h 58m
1 stop
YOW6:43 amOttawa
$290
Find similar
Air Canada
Dec 2
YOW2:50 pmOttawa
8h 49m
1 stop
LAS8:39 pmLas Vegas Harry Reid Intl
Dec 9
LAS4:45 pmLas Vegas Harry Reid Intl
10h 58m
1 stop
YOW6:43 amOttawa
$302
Find similar
Air Canada
Dec 9
YOW2:50 pmOttawa
8h 49m
1 stop
LAS8:39 pmLas Vegas Harry Reid Intl
Dec 14
LAS11:30 pmLas Vegas Harry Reid Intl
8h 48m
1 stop
YOW11:18 amOttawa
$309
Find similar

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 November 5, 2025.
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 11/28

5:40 am-11:58 am

1 stop9h 18m

Las Vegas Harry Reid Intl

Fri 12/5

8:00 am-12:42 am

2 stops13h 42m

$267

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 11/28

5:40 am-11:58 am

1 stop9h 18m

Las Vegas Harry Reid Intl

Fri 12/5

8:00 am-12:42 am

2 stops13h 42m

$268

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 12/4

5:40 am-11:58 am

1 stop9h 18m

Las Vegas Harry Reid Intl

Fri 12/5

7:15 pm-2:44 pm

1 stop16h 29m

$280

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 12/2

7:45 am-3:59 pm

1 stop11h 14m

Las Vegas Harry Reid Intl

Tue 12/9

4:45 pm-6:43 am

1 stop10h 58m

$290

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 2/24

7:30 pm-1:41 pm

2 stops21h 11m

San Jose

Wed 2/25

3:55 pm-10:26 am

2 stops15h 31m

$299

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Wed 11/26

5:14 pm-10:28 pm

1 stop8h 14m

San Jose

Wed 12/3

8:45 am-10:26 am

2 stops22h 41m

$300

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 12/2

2:50 pm-8:39 pm

1 stop8h 49m

Las Vegas Harry Reid Intl

Tue 12/9

4:45 pm-6:43 am

1 stop10h 58m

$302

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 11/29

5:40 am-11:42 am

1 stop9h 02m

Las Vegas Harry Reid Intl

Fri 12/5

7:15 pm-2:44 pm

1 stop16h 29m

$310

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 12/3

6:45 am-11:42 am

1 stop7h 57m

Las Vegas Harry Reid Intl

Wed 12/10

12:40 pm-12:41 am

1 stop9h 01m

$316

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 12/14

3:00 pm-10:02 pm

1 stop10h 02m

Las Vegas Harry Reid Intl

Mon 12/22

12:40 pm-12:41 am

1 stop9h 01m

$318

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.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart from Ottawa to California is on a Monday. Travelers who choose to depart for California on a Monday will often find tickets for as low as $398. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to California on Thursday is $459.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is in the evening when flights can be purchased for as low as $351. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $444 on average. Flights to California from Ottawa in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $310 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 $277 on momondo.

Can stopping save me money on Ottawa to California flights?

You could potentially save up to 19% 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

5h 20m

Direct flights

Sat

Airports in California

1 airport
The fastest flight from Ottawa to California takes 5h 20m
Direct flights go from Ottawa to California on Saturday. There are no airlines offering direct flights.
There is 1 airport near California: Las Vegas Harry Reid Intl (LAS)
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
United AirlinesPriceFrom $171Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
WestJetPriceFrom $176Free CancellationRating
7.2
3,153 reviews
Search WestJet flights
Air CanadaPriceFrom $204Free CancellationRating
7.1
10,404 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $238Free CancellationRating
8.0
387 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.

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