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 7 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, United Airlines, and Air Canada 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 September 2026, there are 6 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$ 204 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.

7:20 a.m. - 2:10 p.m.YOW Ottawa-SAN San Diego

9h 50m1 stop Calgary

3:30 p.m. - 5:35 a.m.SAN San Diego-YOW Ottawa

11h 05m1 stop Calgary

C$ 361WestJet

Thu, 15 Oct - Fri, 23 Oct

7:20 a.m. - 2:10 p.m.YOW Ottawa-SAN San Diego

9h 50m1 stop Calgary

3:30 p.m. - 5:35 a.m.SAN San Diego-YOW Ottawa

11h 05m1 stop Calgary

C$ 362WestJet

Thu, 15 Oct - Fri, 16 Oct

1:20 p.m. - 9:28 a.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

23h 08m2 stops Calgary Phoenix Sky Harbor Intl

12:50 p.m. - 1:00 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

9h 10m1 stop Calgary

C$ 402Multiple Airlines

Mon, 19 Oct - Wed, 28 Oct

6:15 a.m. - 8:24 p.m.YOW Ottawa-SAN San Diego

17h 09m2 stops Chicago O'Hare Intl Los Angeles

9:40 p.m. - 1:11 p.m.SAN San Diego-YOW Ottawa

12h 31m1 stop Newark

C$ 420United Airlines

Thu, 12 Nov - Mon, 16 Nov

6:15 a.m. - 8:24 p.m.YOW Ottawa-SAN San Diego

17h 09m2 stops Chicago O'Hare Intl Los Angeles

4:45 p.m. - 2:09 p.m.SAN San Diego-YOW Ottawa

18h 24m2 stops Los Angeles Chicago O'Hare Intl

C$ 420United Airlines

Thu, 12 Nov - Mon, 16 Nov

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

11h 10m1 stop Calgary

9:30 p.m. - 7:20 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

18h 50m2 stops Phoenix Sky Harbor Intl Calgary

C$ 428Multiple Airlines

Mon, 28 Sep - Thu, 1 Oct

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$ 468Porter Airlines

Mon, 15 Feb - Sat, 20 Feb

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$ 470Air Canada

Sat, 19 Sep - Wed, 23 Sep

5:40 p.m. - 10:37 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

7h 57m1 stop Toronto Pearson Intl

11:35 p.m. - 4:36 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

14h 01m2 stops Toronto Pearson Intl Halifax Intl

C$ 479Porter Airlines

Mon, 23 Nov - Fri, 27 Nov

10:50 a.m. - 6:39 p.m.YOW Ottawa-SAN San Diego

10h 49m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

10:30 p.m. - 2:09 p.m.SAN San Diego-YOW Ottawa

12h 39m1 stop Chicago O'Hare Intl

C$ 522Air Canada

Sat, 7 Nov - Sat, 7 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

11h 20m1 stop Calgary

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

10h 05m1 stop Calgary

C$ 402WestJet

Thu, 10 Sep - Thu, 17 Sep

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

11h 20m1 stop Calgary

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

10h 05m1 stop Calgary

C$ 410WestJet

Thu, 10 Sep - Thu, 17 Sep

6:00 a.m. - 7:11 p.m.YOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

16h 11m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl

6:25 p.m. - 2:17 p.m.SNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

16h 52m2 stops Denver Intl Washington, D.C. Dulles Intl

C$ 468United Airlines

Fri, 11 Sep - Tue, 15 Sep

2:52 p.m. - 10:17 p.m.YOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

10h 25m2 stops Washington, D.C. Dulles Intl Denver Intl

6:25 p.m. - 9:11 a.m.SNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

11h 46m2 stops Denver Intl Newark

C$ 468United Airlines

Fri, 11 Sep - Tue, 15 Sep

6:25 a.m. - 7:06 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

15h 41m1 stop Chicago O'Hare Intl

11:25 p.m. - 9:24 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

6h 59m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 489Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

3:10 p.m. - 8:36 p.m.YOW Ottawa-SAN San Diego

8h 26m1 stop Montreal Pierre Elliott Trudeau Intl

4:55 p.m. - 1:59 p.m.SAN San Diego-YOW Ottawa

18h 04m1 stop Chicago O'Hare Intl

C$ 568Air Canada

Fri, 11 Sep - Fri, 18 Sep

7:00 a.m. - 8:14 a.m.YOW Ottawa-SFO San Francisco

28h 14m2 stops Toronto Pearson Intl Las Vegas Harry Reid Intl

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

10h 20m1 stop Calgary

C$ 569Multiple Airlines

Wed, 9 Sep - Tue, 15 Sep

7:00 a.m. - 1:20 p.m.YOW Ottawa-LAX Los Angeles

9h 20m1 stop Toronto Pearson Intl

2:15 p.m. - 12:25 a.m.LAX Los Angeles-YOW Ottawa

7h 10m1 stop Toronto Pearson Intl

C$ 587Porter Airlines

Fri, 11 Sep - Sun, 13 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$ 655Porter Airlines

Tue, 8 Sep - Tue, 22 Sep

5:10 a.m. - 1:07 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

10h 57m2 stops Toronto Pearson Intl Chicago O'Hare Intl

8:04 a.m. - 9:35 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

10h 31m2 stops Los Angeles Chicago O'Hare Intl

C$ 1,085Air Canada

Sun, 6 Sep - Wed, 9 Sep

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Porter Airlines flights from Ottawa to California

Our best Porter Airlines deals on Ottawa to California flight tickets

Porter Airlines

29 Oct

YOW7:00 a.m.Ottawa

8h 45m

1 stop

SFO12:45 p.m.San Francisco

3 Nov

SFO1:45 p.m.San Francisco

8h 05m

1 stop

YOW12:50 a.m.Ottawa

C$ 485

Porter Airlines

5 Feb

YOW7:00 a.m.Ottawa

8h 45m

1 stop

SFO12:45 p.m.San Francisco

8 Feb

SFO1:45 p.m.San Francisco

8h 05m

1 stop

YOW12:50 a.m.Ottawa

C$ 536

Porter Airlines

2 Mar

YOW7:00 a.m.Ottawa

8h 45m

1 stop

SFO12:45 p.m.San Francisco

5 Mar

SFO1:45 p.m.San Francisco

8h 05m

1 stop

YOW12:50 a.m.Ottawa

C$ 549

Air Canada flights from Ottawa to California

Our best Air Canada deals on Ottawa to California flight tickets

Air Canada

19 Sep

YOW5:00 a.m.Ottawa

9h 47m

1 stop

SAN11:47 a.m.San Diego

23 Sep

SAN1:10 p.m.San Diego

9h 25m

1 stop

YOW1:35 a.m.Ottawa

C$ 470

Air Canada

6 Nov

YOW9:00 a.m.Ottawa

12h 34m

2 stops

SAN6:34 p.m.San Diego

6 Nov

SAN10:30 p.m.San Diego

12h 39m

1 stop

YOW2:09 p.m.Ottawa

C$ 522

Air Canada

3 Nov

YOW10:30 a.m.Ottawa

13h 06m

2 stops

SAN8:36 p.m.San Diego

10 Nov

SAN10:30 p.m.San Diego

12h 39m

1 stop

YOW2:09 p.m.Ottawa

C$ 526

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Thu 15/10

7:20 a.m.-2:10 p.m.

1 stop9h 50m

San Diego

Fri 23/10

3:30 p.m.-5:35 a.m.

1 stop11h 05m

C$ 361

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Thu 15/10

7:20 a.m.-2:10 p.m.

1 stop9h 50m

San Diego

Fri 16/10

3:30 p.m.-5:35 a.m.

1 stop11h 05m

C$ 362

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Mon 19/10

1:20 p.m.-9:28 a.m.

2 stops23h 08m

Las Vegas Harry Reid Intl

Wed 28/10

12:50 p.m.-1:00 a.m.

1 stop9h 10m

C$ 402

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Thu 12/11

6:15 a.m.-8:24 p.m.

2 stops17h 09m

San Diego

Mon 16/11

9:40 p.m.-1:11 p.m.

1 stop12h 31m

C$ 420

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Thu 12/11

6:15 a.m.-8:24 p.m.

2 stops17h 09m

San Diego

Mon 16/11

4:45 p.m.-2:09 p.m.

2 stops18h 24m

C$ 420

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Mon 28/9

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

1 stop11h 10m

Las Vegas Harry Reid Intl

Thu 1/10

9:30 p.m.-7:20 p.m.

2 stops18h 50m

C$ 428

Quickest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Mon 15/2

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

1 stop9h 37m

Las Vegas Harry Reid Intl

Sat 20/2

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

1 stop7h 15m

C$ 468

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$ 470

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Mon 23/11

5:40 p.m.-10:37 p.m.

1 stop7h 57m

Las Vegas Harry Reid Intl

Fri 27/11

11:35 p.m.-4:36 p.m.

2 stops14h 01m

C$ 479

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Sat 7/11

10:50 a.m.-6:39 p.m.

2 stops10h 49m

San Diego

Sat 7/11

10:30 p.m.-2:09 p.m.

1 stop12h 39m

C$ 522

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 February. Flight prices, which tend to average around C$ 575, are often lower during this time because this is during the off-season. If you’re not able to fly to California in February, then January is your next best option. Flight prices from Ottawa to California during January average around C$ 579.

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$ 596 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$ 495 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$ 204
Fastest flight time	7h 57m
Direct flights	None

The best one-way flight to California from Ottawa in the past 72 hours is C$ 204. The best round-trip flight deal from Ottawa to California found on momondo in the last 72 hours is C$ 361.

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 September 2026, there are 6 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 11,583 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 312	Free Cancellation	Rating 7.4 10,172 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 328	Free Cancellation	Rating 7.2 3,444 reviews	Search WestJet flights
Porter Airlines	PriceFrom C$ 393	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.