Which airlines fly to California?

Air Canada, Porter Airlines and United 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 50% 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?

Air Canada, WestJet, 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 February 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$ 159 Cheap Flights from Ottawa to California in 2026

1 adult

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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.

6:00 a.m. - 6:39 p.m.

YOW

LAS

15h 39m

2 stops

11:20 a.m. - 12:40 a.m.

LAS

YOW

10h 20m

1 stop

C$ 226WestJet

Sun, 8 Mar - Wed, 25 Mar

5:40 a.m. - 6:13 p.m.

YOW

LAS

15h 33m

2 stops

11:20 a.m. - 12:40 a.m.

LAS

YOW

10h 20m

1 stop

C$ 236WestJet

Sun, 5 Apr - Wed, 8 Apr

5:40 a.m. - 5:13 p.m.

YOW

LAS

15h 33m

2 stops

8:05 a.m. - 12:39 a.m.

LAS

YOW

13h 34m

2 stops

C$ 243WestJet

Sun, 8 Mar - Wed, 25 Mar

5:00 a.m. - 11:53 a.m.

YOW

SAN

9h 53m

1 stop

1:10 p.m. - 1:34 a.m.

SAN

YOW

9h 24m

1 stop

C$ 389Air Canada

Fri, 27 Mar - Fri, 3 Apr

10:44 a.m. - 10:59 p.m.

YOW

SAN

15h 15m

1 stop

9:45 p.m. - 10:03 a.m.

SAN

YOW

9h 18m

1 stop

C$ 393United Airlines

Thu, 9 Apr - Thu, 16 Apr

10:00 a.m. - 8:05 p.m.

YOW

SAN

13h 05m

2 stops

7:14 p.m. - 10:00 a.m.

SAN

YOW

11h 46m

2 stops

C$ 394United Airlines

Thu, 9 Apr - Fri, 17 Apr

5:00 a.m. - 11:53 a.m.

YOW

SAN

9h 53m

1 stop

6:10 p.m. - 6:45 a.m.

SAN

YOW

9h 35m

1 stop

C$ 397Air Canada

Sun, 5 Apr - Wed, 15 Apr

5:40 a.m. - 9:53 a.m.

YOW

SNA

31h 13m

2 stops

10:48 a.m. - 12:39 a.m.

SNA

YOW

34h 51m

2 stops

C$ 500Multiple Airlines

Sun, 22 Mar - Sun, 29 Mar

5:40 a.m. - 1:58 p.m.

YOW

SNA

35h 18m

3 stops

2:53 p.m. - 12:39 a.m.

SNA

YOW

30h 46m

2 stops

C$ 539Multiple Airlines

Sun, 22 Mar - Sun, 29 Mar

5:40 a.m. - 9:33 p.m.

YOW

SJC

18h 53m

2 stops

1:50 p.m. - 12:40 a.m.

SJC

YOW

31h 50m

2 stops

C$ 690Delta

Tue, 10 Mar - Thu, 12 Mar

United Airlines flights from Ottawa to California

Our best United Airlines deals on Ottawa to California flight tickets

United Airlines

14 Apr

YOW6:00 a.m.Ottawa

12h 21m

1 stop

LAS3:21 p.m.Las Vegas Harry Reid Intl

22 Apr

LAS11:59 p.m.Las Vegas Harry Reid Intl

14h 08m

1 stop

YOW5:07 p.m.Ottawa

C$ 296

United Airlines

14 Apr

YOW6:25 a.m.Ottawa

13h 58m

2 stops

LAS5:23 p.m.Las Vegas Harry Reid Intl

16 Apr

LAS6:41 p.m.Las Vegas Harry Reid Intl

12h 22m

2 stops

YOW10:03 a.m.Ottawa

C$ 307

United Airlines

4 Apr

YOW10:00 a.m.Ottawa

15h 13m

1 stop

LAS10:13 p.m.Las Vegas Harry Reid Intl

7 Apr

LAS11:59 p.m.Las Vegas Harry Reid Intl

14h 08m

1 stop

YOW5:07 p.m.Ottawa

C$ 308

American Airlines flights from Ottawa to California

Our best American Airlines deals on Ottawa to California flight tickets

American Airlines

9 Apr

YOW6:45 a.m.Ottawa

19h 48m

2 stops

SAN11:33 p.m.San Diego

15 Apr

SAN10:40 p.m.San Diego

16h 46m

2 stops

YOW6:26 p.m.Ottawa

C$ 712

American Airlines

1 Apr

YOW6:45 a.m.Ottawa

18h 55m

2 stops

SAN10:40 p.m.San Diego

8 Apr

SAN10:40 p.m.San Diego

15h 11m

2 stops

YOW4:51 p.m.Ottawa

C$ 713

American Airlines

20 Feb

YOW6:40 a.m.Ottawa

19h 44m

2 stops

LAX11:24 p.m.Los Angeles

20 Feb

LAX1:31 a.m.Los Angeles

20h 12m

2 stops

YOW12:43 a.m.Ottawa

C$ 913

Fly from

Fly to

Route

Depart

Return

Price

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 8/3

6:00 a.m.-6:39 p.m.

2 stops15h 39m

Las Vegas Harry Reid Intl

Wed 25/3

11:20 a.m.-12:40 a.m.

1 stop10h 20m

C$ 226

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 5/4

5:40 a.m.-6:13 p.m.

2 stops15h 33m

Las Vegas Harry Reid Intl

Wed 8/4

11:20 a.m.-12:40 a.m.

1 stop10h 20m

C$ 236

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 8/3

5:40 a.m.-5:13 p.m.

2 stops15h 33m

Las Vegas Harry Reid Intl

Wed 25/3

8:05 a.m.-12:39 a.m.

2 stops13h 34m

C$ 243

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Fri 27/3

5:00 a.m.-11:53 a.m.

1 stop9h 53m

San Diego

Fri 3/4

1:10 p.m.-1:34 a.m.

1 stop9h 24m

C$ 389

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 9/4

10:44 a.m.-10:59 p.m.

1 stop15h 15m

San Diego

Thu 16/4

9:45 p.m.-10:03 a.m.

1 stop9h 18m

C$ 393

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Thu 9/4

10:00 a.m.-8:05 p.m.

2 stops13h 05m

San Diego

Fri 17/4

7:14 p.m.-10:00 a.m.

2 stops11h 46m

C$ 394

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Sun 5/4

5:00 a.m.-11:53 a.m.

1 stop9h 53m

San Diego

Wed 15/4

6:10 p.m.-6:45 a.m.

1 stop9h 35m

C$ 397

OttawaSanta Ana

YOW - SNA

YOWSNA

Ottawa

Sun 22/3

5:40 a.m.-9:53 a.m.

2 stops31h 13m

Santa Ana J. Wayne/Orange Cnty

Sun 29/3

10:48 a.m.-12:39 a.m.

2 stops34h 51m

C$ 500

OttawaSanta Ana

YOW - SNA

YOWSNA

Ottawa

Sun 22/3

5:40 a.m.-1:58 p.m.

3 stops35h 18m

Santa Ana J. Wayne/Orange Cnty

Sun 29/3

2:53 p.m.-12:39 a.m.

2 stops30h 46m

C$ 539

OttawaSan Jose

YOW - SJC

YOWSJC

Ottawa

Tue 10/3

5:40 a.m.-9:33 p.m.

2 stops18h 53m

San Jose

Thu 12/3

1:50 p.m.-12:40 a.m.

2 stops31h 50m

C$ 690

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 May. Flight prices, which tend to average around C$ 346, are often lower during this time because this is during the off-season. If you’re not able to fly to California in May, then August is your next best option. Flight prices from Ottawa to California during August average around C$ 364.

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 C$ 446 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$ 341 on momondo.

Can stopping save me money on Ottawa to California flights?

You could potentially save up to 25% 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 51m
Direct flights	None

The fastest flight from Ottawa to California takes 7h 51m

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 are updated daily.
How many operators does momondo search for flights from Ottawa Airport to California?
As of February 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$ 177	Free Cancellation	Rating 7.1 10,717 reviews	Search Air Canada flights
Porter Airlines	PriceFrom C$ 192	Free Cancellation	Rating 7.9 415 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 236	Free Cancellation	Rating 7.2 3,257 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 257	Free Cancellation	Rating 7.4 9,285 reviews	Search United 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.