Which airlines fly to California?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to California from Ottawa according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when travelling to California. Keep in mind that there are 6 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ottawa to California?

WestJet, Air Canada, and United Airlines are the most popular carriers operating from Ottawa to California

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

Prices for flights from Ottawa Airport to California are updated daily.

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

As of August 2026, there are 5 operators available to choose from for flights from Ottawa Airport to California.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 you'll need for your trip to California may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 209 Cheap Flights from Ottawa to California in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to California

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:25 p.m. - 9:40 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 15m2 stops Winnipeg Calgary

4:30 p.m. - 5:35 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

10h 05m1 stop Calgary

C$ 349WestJet

Wed, 2 Sep - Thu, 10 Sep

12:25 p.m. - 9:40 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 15m2 stops Winnipeg Calgary

4:30 p.m. - 5:35 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

10h 05m1 stop Calgary

C$ 351WestJet

Wed, 2 Sep - Thu, 10 Sep

7:20 a.m. - 3:30 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

11h 10m1 stop Calgary

12:45 p.m. - 12:25 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 40m1 stop Toronto Pearson Intl

C$ 474Multiple Airlines

Mon, 21 Sep - Wed, 23 Sep

6:00 a.m. - 12:25 p.m.YOW Ottawa-LAX Los Angeles

9h 25m1 stop Calgary

8:50 a.m. - 5:35 a.m.LAX Los Angeles-YOW Ottawa

17h 45m2 stops Phoenix Sky Harbor Intl Calgary

C$ 480Multiple Airlines

Wed, 2 Sep - Fri, 11 Sep

4:00 p.m. - 10:22 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 22m1 stop Toronto Pearson Intl

12:45 p.m. - 12:25 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 40m1 stop Toronto Pearson Intl

C$ 492Porter Airlines

Mon, 14 Sep - Wed, 23 Sep

7:00 a.m. - 1:37 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 37m1 stop Toronto Pearson Intl

2:35 p.m. - 12:50 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

7h 15m1 stop Toronto Pearson Intl

C$ 516Porter Airlines

Sun, 31 Jan - Thu, 4 Feb

5:45 a.m. - 10:55 a.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

8h 10m1 stop Montreal Pierre Elliott Trudeau Intl

11:50 p.m. - 11:20 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 30m1 stop Toronto Pearson Intl

C$ 541Air Canada

Fri, 4 Dec - Mon, 7 Dec

5:45 a.m. - 10:55 a.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

8h 10m1 stop Montreal Pierre Elliott Trudeau Intl

12:20 p.m. - 11:55 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 35m1 stop Toronto Pearson Intl

C$ 549Air Canada

Tue, 24 Nov - Tue, 1 Dec

6:00 a.m. - 8:28 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

17h 28m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

6:09 a.m. - 10:35 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

13h 26m2 stops Houston George Bush Intcntl Newark

C$ 577United Airlines

Sat, 17 Oct - Sat, 24 Oct

6:25 a.m. - 3:10 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

11h 45m2 stops Chicago O'Hare Intl Los Angeles

7:49 p.m. - 9:11 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

10h 22m2 stops Denver Intl Newark

C$ 577United Airlines

Sat, 26 Sep - Wed, 30 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

4:00 p.m. - 10:22 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 22m1 stop Toronto Pearson Intl

9:45 a.m. - 9:00 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 15m1 stop Toronto Pearson Intl

C$ 620Porter Airlines

Sun, 16 Aug - Wed, 19 Aug

4:00 p.m. - 10:22 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 22m1 stop Toronto Pearson Intl

6:10 p.m. - 5:35 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 25m1 stop Calgary

C$ 736Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

4:00 p.m. - 10:22 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 22m1 stop Toronto Pearson Intl

6:10 p.m. - 5:35 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 25m1 stop Calgary

C$ 736Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

6:00 a.m. - 12:55 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 55m1 stop Calgary

1:20 p.m. - 5:35 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

13h 15m2 stops Vancouver Intl Calgary

C$ 795WestJet

Tue, 18 Aug - Sun, 23 Aug

4:00 p.m. - 10:22 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 22m1 stop Toronto Pearson Intl

9:45 a.m. - 8:10 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

7h 25m1 stop Toronto Pearson Intl

C$ 807Porter Airlines

Mon, 17 Aug - Sat, 22 Aug

6:55 a.m. - 5:15 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

13h 20m2 stops Toronto Pearson Intl Calgary

1:20 p.m. - 5:35 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

13h 15m2 stops Vancouver Intl Calgary

C$ 813WestJet

Tue, 18 Aug - Sun, 23 Aug

2:35 p.m. - 8:51 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 16m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl

7:10 a.m. - 8:44 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

10h 34m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

C$ 852Air Canada

Tue, 18 Aug - Fri, 21 Aug

6:00 a.m. - 12:26 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 26m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl

11:55 p.m. - 1:58 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

11h 03m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

C$ 852Air Canada

Wed, 19 Aug - Fri, 21 Aug

6:00 a.m. - 10:35 p.m.YOW Ottawa-ONT Ontario

19h 35m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl

5:00 a.m. - 9:35 p.m.ONT Ontario-YOW Ottawa

13h 35m2 stops Denver Intl Chicago O'Hare Intl

C$ 1,191United Airlines

Tue, 18 Aug - Sat, 22 Aug

6:25 a.m. - 6:11 p.m.YOW Ottawa-ONT Ontario

14h 46m2 stops Chicago O'Hare Intl San Francisco

7:00 a.m. - 9:35 p.m.ONT Ontario-YOW Ottawa

11h 35m1 stop Chicago O'Hare Intl

C$ 1,191United Airlines

Tue, 18 Aug - Sat, 22 Aug

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WestJet flights from Ottawa to California

Our best WestJet deals on Ottawa to California flight tickets

WestJet

2 Sep

YOW12:25 p.m.Ottawa

12h 15m

2 stops

LAS9:40 p.m.Las Vegas Harry Reid Intl

10 Sep

LAS4:30 p.m.Las Vegas Harry Reid Intl

10h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 349

WestJet

2 Sep

YOW12:25 p.m.Ottawa

12h 15m

2 stops

LAS9:40 p.m.Las Vegas Harry Reid Intl

10 Sep

LAS4:30 p.m.Las Vegas Harry Reid Intl

10h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 351

WestJet

2 Sep

YOW12:25 p.m.Ottawa

12h 15m

2 stops

LAS9:40 p.m.Las Vegas Harry Reid Intl

10 Sep

LAS4:30 p.m.Las Vegas Harry Reid Intl

10h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 353

United Airlines flights from Ottawa to California

Our best United Airlines deals on Ottawa to California flight tickets

United Airlines

10 Sep

YOW5:20 p.m.Ottawa

8h 26m

1 stop

SMF10:46 p.m.Sacramento Intl

14 Sep

SMF10:48 p.m.Sacramento Intl

14h 50m

1 stop

YOW4:38 p.m.Ottawa

C$ 640

United Airlines

9 Sep

YOW10:37 a.m.Ottawa

12h 55m

2 stops

PSP8:32 p.m.Palm Springs

12 Sep

PSP7:15 a.m.Palm Springs

11h 20m

2 stops

YOW9:35 p.m.Ottawa

C$ 661

United Airlines

5 Dec

YOW6:15 a.m.Ottawa

14h 16m

2 stops

SNA5:31 p.m.Santa Ana J. Wayne/Orange Cnty

8 Dec

SNA6:50 a.m.Santa Ana J. Wayne/Orange Cnty

12h 06m

2 stops

YOW9:56 p.m.Ottawa

C$ 669

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Wed 2/9

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

2 stops12h 15m

Las Vegas Harry Reid Intl

Thu 10/9

4:30 p.m.-5:35 a.m.

1 stop10h 05m

C$ 349

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Wed 2/9

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

2 stops12h 15m

Las Vegas Harry Reid Intl

Thu 10/9

4:30 p.m.-5:35 a.m.

1 stop10h 05m

C$ 351

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Mon 21/9

7:20 a.m.-3:30 p.m.

1 stop11h 10m

Las Vegas Harry Reid Intl

Wed 23/9

12:45 p.m.-12:25 a.m.

1 stop8h 40m

C$ 474

OttawaLos Angeles

YOW Ottawa - LAX Los Angeles

YOWLAX

Ottawa

Wed 2/9

6:00 a.m.-12:25 p.m.

1 stop9h 25m

Los Angeles

Fri 11/9

8:50 a.m.-5:35 a.m.

2 stops17h 45m

C$ 480

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Mon 14/9

4:00 p.m.-10:22 p.m.

1 stop9h 22m

Las Vegas Harry Reid Intl

Wed 23/9

12:45 p.m.-12:25 a.m.

1 stop8h 40m

C$ 492

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sun 31/1

7:00 a.m.-1:37 p.m.

1 stop9h 37m

Las Vegas Harry Reid Intl

Thu 4/2

2:35 p.m.-12:50 a.m.

1 stop7h 15m

C$ 516

Quickest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Fri 4/12

5:45 a.m.-10:55 a.m.

1 stop8h 10m

Las Vegas Harry Reid Intl

Mon 7/12

11:50 p.m.-11:20 a.m.

1 stop8h 30m

C$ 541

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Tue 24/11

5:45 a.m.-10:55 a.m.

1 stop8h 10m

Las Vegas Harry Reid Intl

Tue 1/12

12:20 p.m.-11:55 p.m.

1 stop8h 35m

C$ 549

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 17/10

6:00 a.m.-8:28 p.m.

2 stops17h 28m

Las Vegas Harry Reid Intl

Sat 24/10

6:09 a.m.-10:35 p.m.

2 stops13h 26m

C$ 577

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 26/9

6:25 a.m.-3:10 p.m.

2 stops11h 45m

Las Vegas Harry Reid Intl

Wed 30/9

7:49 p.m.-9:11 a.m.

2 stops10h 22m

C$ 577

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to California?

The cheapest month to fly to California from Ottawa is in October. Flight prices, which tend to average around C$ 535, are often lower during this time because this is during the off-season. If you’re not able to fly to California in October, then September is your next best option. Flight prices from Ottawa to California during September average around C$ 562.

How far in advance should I book a flight from Ottawa 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 C$ 584 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 C$ 489 on momondo.

Can stopping save me money on Ottawa to California flights?

You could potentially save up to 15% 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	8h 06m
Direct flights	None

The fastest flight from Ottawa to California takes 8h 06m

There are no direct flights from Ottawa to California. There are no popular flight routes from Ottawa to California.

Search flight deals

Frequently asked questions about flying from Ottawa to California

When did momondo last update prices for flights from Ottawa Airport to California?
Prices for flights from Ottawa Airport to California are updated daily.
How many operators does momondo search for flights from Ottawa Airport to California?
As of August 2026, there are 5 operators available to choose from for flights from Ottawa Airport to California.
How old do you have to be to fly from Ottawa Airport to California?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 you'll need for your trip to California may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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 Airlines	PriceFrom C$ 315	Free Cancellation	Rating 7.4 10,108 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 322	Free Cancellation	Rating 7.2 3,433 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 383	Free Cancellation	Rating 7.1 11,470 reviews	Search Air Canada flights
Porter Airlines	PriceFrom C$ 388	Free Cancellation	Rating 8.0 456 reviews	Search Porter Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to California. momondo saves you time and could save you money on your trip.

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

Yes. All flights to California from Ottawa on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Ottawa to California flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Ottawa to California now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to California and let you know when they change.