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 60% 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 4 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$ 212 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. - 9:55 p.m.YOW Ottawa-SFO San Francisco

12h 30m2 stops Winnipeg Calgary

6:00 a.m. - 5:15 p.m.SFO San Francisco-YOW Ottawa

8h 15m1 stop Calgary

C$ 330WestJet

Thu, 15 Oct - Mon, 19 Oct

12:25 p.m. - 9:55 p.m.YOW Ottawa-SFO San Francisco

12h 30m2 stops Winnipeg Calgary

6:00 a.m. - 7:20 p.m.SFO San Francisco-YOW Ottawa

10h 20m1 stop Calgary

C$ 337WestJet

Sun, 18 Oct - Tue, 20 Oct

12:25 p.m. - 6:30 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 05m1 stop Winnipeg

10:58 a.m. - 5:35 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

15h 37m2 stops Phoenix Sky Harbor Intl Calgary

C$ 405Multiple Airlines

Mon, 12 Oct - Thu, 15 Oct

7:20 a.m. - 12:25 p.m.YOW Ottawa-SFO San Francisco

32h 05m2 stops Calgary San Diego

6:00 a.m. - 5:15 p.m.SFO San Francisco-YOW Ottawa

8h 15m1 stop Calgary

C$ 446Multiple Airlines

Mon, 21 Sep - Mon, 28 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$ 449Porter Airlines

Sun, 6 Sep - Sat, 12 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$ 454Porter Airlines

Tue, 8 Sep - Sat, 12 Sep

2:45 p.m. - 8:36 p.m.YOW Ottawa-SAN San Diego

8h 51m1 stop Montreal Pierre Elliott Trudeau Intl

4:55 p.m. - 5:58 a.m.SAN San Diego-YOW Ottawa

10h 03m1 stop Vancouver Intl

C$ 463Air Canada

Thu, 17 Sep - Sat, 19 Sep

5:20 p.m. - 10:10 p.m.YOW Ottawa-SAN San Diego

7h 50m1 stop Chicago O'Hare Intl

10:30 p.m. - 1:59 p.m.SAN San Diego-YOW Ottawa

12h 29m1 stop Chicago O'Hare Intl

C$ 464United Airlines

Tue, 22 Sep - Sat, 26 Sep

6:00 a.m. - 11:25 a.m.YOW Ottawa-SAN San Diego

8h 25m1 stop Washington, D.C. Dulles Intl

10:20 p.m. - 9:11 a.m.SAN San Diego-YOW Ottawa

7h 51m1 stop Newark

C$ 464United Airlines

Wed, 23 Sep - Mon, 28 Sep

5:00 a.m. - 11:47 a.m.YOW Ottawa-SAN San Diego

9h 47m1 stop Vancouver Intl

1:10 p.m. - 1:35 a.m.SAN San Diego-YOW Ottawa

9h 25m1 stop Toronto Pearson Intl

C$ 469Air Canada

Sat, 19 Sep - Wed, 23 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:20 a.m. - 5:10 p.m.YOW Ottawa-LAX Los Angeles Los Angeles

12h 50m1 stop Calgary

6:05 p.m. - 5:35 a.m.LAX Los Angeles Los Angeles-YOW Ottawa

8h 30m1 stop Calgary

C$ 595WestJet

Sat, 29 Aug - Sun, 13 Sep

7:20 a.m. - 5:10 p.m.YOW Ottawa-LAX Los Angeles Los Angeles

12h 50m1 stop Calgary

6:05 p.m. - 5:35 a.m.LAX Los Angeles Los Angeles-YOW Ottawa

8h 30m1 stop Calgary

C$ 599WestJet

Sat, 29 Aug - Sat, 12 Sep

7:20 a.m. - 2:05 p.m.YOW Ottawa-LAX Los Angeles Los Angeles

9h 45m1 stop Calgary

8:44 a.m. - 5:35 a.m.LAX Los Angeles Los Angeles-YOW Ottawa

17h 51m2 stops San Francisco Calgary

C$ 600Multiple Airlines

Fri, 28 Aug - Wed, 9 Sep

1:20 p.m. - 9:40 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

11h 20m1 stop Calgary

1:45 p.m. - 7:47 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

27h 02m2 stops Calgary Winnipeg

C$ 639Multiple Airlines

Wed, 26 Aug - Wed, 2 Sep

6:00 a.m. - 4:02 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

13h 02m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl

1:23 p.m. - 11:54 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

7h 31m1 stop Washington, D.C. Dulles Intl

C$ 772United Airlines

Wed, 26 Aug - Wed, 2 Sep

6:25 a.m. - 11:33 a.m.YOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

8h 08m1 stop Chicago O'Hare Intl

6:32 p.m. - 1:59 p.m.SNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

16h 27m2 stops San Francisco Chicago O'Hare Intl

C$ 1,009United Airlines

Thu, 27 Aug - Tue, 8 Sep

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

9h 22m1 stop Toronto Pearson Intl

11:20 p.m. - 6:15 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

15h 55m2 stops Toronto Pearson Intl Halifax Intl

C$ 1,017Porter Airlines

Tue, 25 Aug - Tue, 1 Sep

2:35 p.m. - 8:39 p.m.YOW Ottawa-SAN San Diego

9h 04m1 stop Montreal Pierre Elliott Trudeau Intl

10:40 p.m. - 1:59 p.m.SAN San Diego-YOW Ottawa

12h 19m1 stop Chicago O'Hare Intl

C$ 1,070Air Canada

Thu, 27 Aug - Sun, 6 Sep

8:40 a.m. - 5:03 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

11h 23m2 stops Toronto Pearson Intl Los Angeles Los Angeles

11:20 p.m. - 7:35 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

17h 15m2 stops Toronto Pearson Intl Victoria Intl

C$ 1,079Porter Airlines

Fri, 28 Aug - Mon, 31 Aug

2:35 p.m. - 9:48 p.m.YOW Ottawa-SFO San Francisco

10h 13m1 stop Montreal Pierre Elliott Trudeau Intl

8:15 a.m. - 9:35 p.m.SFO San Francisco-YOW Ottawa

10h 20m1 stop Chicago O'Hare Intl

C$ 1,395Air Canada

Fri, 28 Aug - Thu, 3 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

WestJet flights from Ottawa to California

Our best WestJet deals on Ottawa to California flight tickets

WestJet

15 Oct

YOW12:25 p.m.Ottawa

12h 30m

2 stops

SFO9:55 p.m.San Francisco

19 Oct

SFO6:00 a.m.San Francisco

10h 20m

1 stop

YOW7:20 p.m.Ottawa

C$ 330

WestJet

18 Oct

YOW12:25 p.m.Ottawa

12h 30m

2 stops

SFO9:55 p.m.San Francisco

20 Oct

SFO6:00 a.m.San Francisco

10h 20m

1 stop

YOW7:20 p.m.Ottawa

C$ 337

WestJet

19 Sep

YOW1:20 p.m.Ottawa

11h 20m

1 stop

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

24 Sep

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

10h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 346

Porter Airlines flights from Ottawa to California

Our best Porter Airlines deals on Ottawa to California flight tickets

Porter Airlines

6 Sep

YOW4:00 p.m.Ottawa

9h 22m

1 stop

LAS10:22 p.m.Las Vegas Harry Reid Intl

12 Sep

LAS12:45 p.m.Las Vegas Harry Reid Intl

8h 40m

1 stop

YOW12:25 a.m.Ottawa

C$ 449

Porter Airlines

6 Sep

YOW4:00 p.m.Ottawa

9h 22m

1 stop

LAS10:22 p.m.Las Vegas Harry Reid Intl

8 Sep

LAS11:20 p.m.Las Vegas Harry Reid Intl

12h 29m

2 stops

YOW2:49 p.m.Ottawa

C$ 559

Porter Airlines

23 Sep

YOW7:00 a.m.Ottawa

9h 15m

1 stop

LAX1:15 p.m.Los Angeles Los Angeles

27 Sep

LAX2:15 p.m.Los Angeles Los Angeles

7h 10m

1 stop

YOW12:25 a.m.Ottawa

C$ 581

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 15/10

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Mon 19/10

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 330

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Sun 18/10

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Tue 20/10

6:00 a.m.-7:20 p.m.

1 stop10h 20m

C$ 337

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Mon 12/10

12:25 p.m.-6:30 p.m.

1 stop9h 05m

Las Vegas Harry Reid Intl

Thu 15/10

10:58 a.m.-5:35 a.m.

2 stops15h 37m

C$ 405

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Mon 21/9

7:20 a.m.-12:25 p.m.

2 stops32h 05m

San Francisco

Mon 28/9

6:00 a.m.-5:15 p.m.

1 stop8h 15m

C$ 446

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sun 6/9

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

1 stop9h 22m

Las Vegas Harry Reid Intl

Sat 12/9

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

1 stop8h 40m

C$ 449

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Tue 8/9

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

1 stop9h 22m

Las Vegas Harry Reid Intl

Sat 12/9

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

1 stop8h 40m

C$ 454

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Thu 17/9

2:45 p.m.-8:36 p.m.

1 stop8h 51m

San Diego

Sat 19/9

4:55 p.m.-5:58 a.m.

1 stop10h 03m

C$ 463

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Tue 22/9

5:20 p.m.-10:10 p.m.

1 stop7h 50m

San Diego

Sat 26/9

10:30 p.m.-1:59 p.m.

1 stop12h 29m

C$ 464

Quickest round-trip

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Wed 23/9

6:00 a.m.-11:25 a.m.

1 stop8h 25m

San Diego

Mon 28/9

10:20 p.m.-9:11 a.m.

1 stop7h 51m

C$ 464

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Sat 19/9

5:00 a.m.-11:47 a.m.

1 stop9h 47m

San Diego

Wed 23/9

1:10 p.m.-1:35 a.m.

1 stop9h 25m

C$ 469

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$ 556, 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 January is your next best option. Flight prices from Ottawa to California during January average around C$ 564.

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$ 586 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$ 486 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

Best price found	C$ 212
Fastest flight time	7h 57m
Direct flights	None

The best one-way flight to California from Ottawa in the past 72 hours is C$ 212. The best round-trip flight deal from Ottawa to California found on momondo in the last 72 hours is C$ 330.

The fastest flight from Ottawa to California takes 7h 57m

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 4 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
Air Canada	PriceFrom C$ 180	Free Cancellation	Rating 7.1 11,526 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 311	Free Cancellation	Rating 7.4 10,116 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 344	Free Cancellation	Rating 7.2 3,438 reviews	Search WestJet flights
Porter Airlines	PriceFrom C$ 391	Free Cancellation	Rating 8.0 458 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.