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

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.

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$ 232 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$ 386WestJet

Wed, 9 Sep - Fri, 18 Sep

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

11h 20m1 stop Calgary

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

8h 25m1 stop Calgary

C$ 387WestJet

Sat, 19 Sep - Sat, 26 Sep

6:15 a.m. - 5:31 p.m.YOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

14h 16m2 stops Chicago O'Hare Intl Denver Intl

6:50 a.m. - 9:56 p.m.SNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

12h 06m2 stops Denver Intl Newark

C$ 423United Airlines

Sat, 5 Dec - Tue, 8 Dec

6:00 a.m. - 2:59 p.m.YOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

11h 59m2 stops Newark Denver Intl

4:07 p.m. - 2:09 p.m.SNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

19h 02m2 stops San Francisco Chicago O'Hare Intl

C$ 423United Airlines

Thu, 29 Oct - Mon, 2 Nov

7:20 a.m. - 8:35 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

16h 15m2 stops Calgary Phoenix Sky Harbor Intl

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

8h 25m1 stop Calgary

C$ 457Multiple Airlines

Mon, 14 Sep - Mon, 21 Sep

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

11h 20m1 stop Calgary

6:00 p.m. - 7:20 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

22h 20m2 stops Phoenix Sky Harbor Intl Calgary

C$ 461Multiple Airlines

Sat, 5 Sep - Tue, 8 Sep

6:00 a.m. - 11:32 a.m.YOW Ottawa-PSP Palm Springs

8h 32m1 stop Toronto Pearson Intl

12:40 p.m. - 12:56 a.m.PSP Palm Springs-YOW Ottawa

9h 16m1 stop Vancouver Intl

C$ 494Air Canada

Sun, 22 Nov - Thu, 26 Nov

7:00 a.m. - 12:16 p.m.YOW Ottawa-SAN San Diego

8h 16m1 stop Toronto Pearson Intl

1:10 p.m. - 12:45 a.m.SAN San Diego-YOW Ottawa

8h 35m1 stop Toronto Pearson Intl

C$ 496Air Canada

Sat, 12 Sep - Tue, 15 Sep

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

7h 15m1 stop Toronto Pearson Intl

C$ 496Porter Airlines

Tue, 1 Sep - Sat, 5 Sep

7:10 p.m. - 8:47 a.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

16h 37m2 stops Edmonton Toronto Pearson Intl

9:45 a.m. - 8:00 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

7h 15m1 stop Toronto Pearson Intl

C$ 508Porter Airlines

Tue, 1 Sep - Sat, 5 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:20 a.m. - 9:40 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

17h 20m1 stop Calgary

8:30 a.m. - 5:35 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

30h 05m2 stops Calgary Toronto Pearson Intl

C$ 594WestJet

Sun, 23 Aug - Thu, 27 Aug

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

11h 20m1 stop Calgary

11:30 a.m. - 12:40 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

10h 10m1 stop Calgary

C$ 718WestJet

Sat, 22 Aug - Sat, 29 Aug

7:20 a.m. - 9:40 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

17h 20m1 stop Calgary

9:45 a.m. - 9:20 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 35m1 stop Toronto Pearson Intl

C$ 766Multiple Airlines

Sun, 23 Aug - Thu, 27 Aug

10:37 a.m. - 8:51 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

13h 14m2 stops Chicago O'Hare Intl Denver Intl

7:45 a.m. - 10:35 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

11h 50m2 stops Houston George Bush Intcntl Newark

C$ 779United Airlines

Sat, 22 Aug - Sat, 29 Aug

2:35 p.m. - 11:53 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 18m2 stops Montreal Pierre Elliott Trudeau Intl Los Angeles

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

12h 00m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

C$ 930Air Canada

Fri, 21 Aug - Thu, 27 Aug

7:00 a.m. - 6:12 p.m.YOW Ottawa-LAX Los Angeles

14h 12m1 stop Orlando

4:15 p.m. - 7:20 p.m.LAX Los Angeles-YOW Ottawa

24h 05m2 stops Phoenix Sky Harbor Intl Calgary

C$ 972Multiple Airlines

Sat, 22 Aug - Sun, 30 Aug

8:35 a.m. - 10:22 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

16h 47m2 stops Calgary Toronto Pearson Intl

9:45 a.m. - 9:20 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 35m1 stop Toronto Pearson Intl

C$ 1,091Porter Airlines

Sun, 23 Aug - Sun, 30 Aug

5:20 p.m. - 12:50 a.m.YOW Ottawa-SFO San Francisco

10h 30m1 stop Chicago O'Hare Intl

10:35 p.m. - 1:59 p.m.SFO San Francisco-YOW Ottawa

12h 24m1 stop Chicago O'Hare Intl

C$ 1,194United Airlines

Sun, 23 Aug - Fri, 28 Aug

8:35 a.m. - 10:22 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

16h 47m2 stops Calgary Toronto Pearson Intl

11:20 p.m. - 8:00 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

17h 40m2 stops Toronto Pearson Intl Vancouver Intl

C$ 1,223Porter Airlines

Sun, 23 Aug - Sun, 30 Aug

6:25 a.m. - 8:57 p.m.YOW Ottawa-SJC San Jose

17h 32m2 stops Chicago O'Hare Intl Denver Intl

12:51 p.m. - 1:59 p.m.SJC San Jose-YOW Ottawa

22h 08m2 stops Denver Intl Chicago O'Hare Intl

C$ 1,227Air Canada

Thu, 20 Aug - Tue, 25 Aug

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American Airlines flights from Ottawa to California

Our best American Airlines deals on Ottawa to California flight tickets

American Airlines

1 Sep

YOW8:40 a.m.Ottawa

12h 04m

2 stops

LAX5:44 p.m.Los Angeles

5 Sep

LAX10:36 p.m.Los Angeles

13h 19m

2 stops

YOW2:55 p.m.Ottawa

C$ 906

American Airlines

1 Sep

YOW8:40 a.m.Ottawa

12h 04m

2 stops

LAX5:44 p.m.Los Angeles

5 Sep

LAX10:36 p.m.Los Angeles

13h 19m

2 stops

YOW2:55 p.m.Ottawa

C$ 934

American Airlines

9 Sep

YOW7:00 a.m.Ottawa

18h 37m

3 stops

ONT10:37 p.m.Ontario

30 Sep

ONT1:04 p.m.Ontario

22h 51m

3 stops

YOW2:55 p.m.Ottawa

C$ 1,048

WestJet flights from Ottawa to California

Our best WestJet deals on Ottawa to California flight tickets

WestJet

9 Sep

YOW7:20 a.m.Ottawa

9h 50m

1 stop

SAN2:10 p.m.San Diego

18 Sep

SAN3:30 p.m.San Diego

11h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 386

WestJet

19 Sep

YOW1:20 p.m.Ottawa

11h 20m

1 stop

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

26 Sep

LAS6:10 p.m.Las Vegas Harry Reid Intl

8h 25m

1 stop

YOW5:35 a.m.Ottawa

C$ 387

WestJet

11 Sep

YOW7:20 a.m.Ottawa

11h 10m

1 stop

LAS3:30 p.m.Las Vegas Harry Reid Intl

19 Sep

LAS6:10 p.m.Las Vegas Harry Reid Intl

8h 25m

1 stop

YOW5:35 a.m.Ottawa

C$ 389

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Wed 9/9

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

1 stop9h 50m

San Diego

Fri 18/9

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

1 stop11h 05m

C$ 386

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 19/9

1:20 p.m.-9:40 p.m.

1 stop11h 20m

Las Vegas Harry Reid Intl

Sat 26/9

6:10 p.m.-5:35 a.m.

1 stop8h 25m

C$ 387

OttawaSanta Ana

YOW Ottawa - SNA Santa Ana J. Wayne/Orange Cnty

YOWSNA

Ottawa

Sat 5/12

6:15 a.m.-5:31 p.m.

2 stops14h 16m

Santa Ana J. Wayne/Orange Cnty

Tue 8/12

6:50 a.m.-9:56 p.m.

2 stops12h 06m

C$ 423

OttawaSanta Ana

YOW Ottawa - SNA Santa Ana J. Wayne/Orange Cnty

YOWSNA

Ottawa

Thu 29/10

6:00 a.m.-2:59 p.m.

2 stops11h 59m

Santa Ana J. Wayne/Orange Cnty

Mon 2/11

4:07 p.m.-2:09 p.m.

2 stops19h 02m

C$ 423

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Mon 14/9

7:20 a.m.-8:35 p.m.

2 stops16h 15m

Las Vegas Harry Reid Intl

Mon 21/9

6:10 p.m.-5:35 a.m.

1 stop8h 25m

C$ 457

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 5/9

1:20 p.m.-9:40 p.m.

1 stop11h 20m

Las Vegas Harry Reid Intl

Tue 8/9

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

2 stops22h 20m

C$ 461

OttawaPalm Springs

YOW Ottawa - PSP Palm Springs

YOWPSP

Ottawa

Sun 22/11

6:00 a.m.-11:32 a.m.

1 stop8h 32m

Palm Springs

Thu 26/11

12:40 p.m.-12:56 a.m.

1 stop9h 16m

C$ 494

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Sat 12/9

7:00 a.m.-12:16 p.m.

1 stop8h 16m

San Diego

Tue 15/9

1:10 p.m.-12:45 a.m.

1 stop8h 35m

C$ 496

Quickest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Tue 1/9

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

1 stop9h 22m

Las Vegas Harry Reid Intl

Sat 5/9

9:45 a.m.-8:00 p.m.

1 stop7h 15m

C$ 496

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Tue 1/9

7:10 p.m.-8:47 a.m.

2 stops16h 37m

Las Vegas Harry Reid Intl

Sat 5/9

9:45 a.m.-8:00 p.m.

1 stop7h 15m

C$ 508

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$ 548, 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$ 569.

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$ 487 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$ 232
Fastest flight time	7h 42m
Direct flights	None

The best one-way flight to California from Ottawa in the past 72 hours is C$ 232. The best round-trip flight deal from Ottawa to California found on momondo in the last 72 hours is C$ 386.

The fastest flight from Ottawa to California takes 7h 42m

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
United Airlines	PriceFrom C$ 314	Free Cancellation	Rating 7.4 10,103 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 321	Free Cancellation	Rating 7.2 3,430 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 381	Free Cancellation	Rating 7.1 11,497 reviews	Search Air Canada flights
Porter Airlines	PriceFrom C$ 387	Free Cancellation	Rating 8.0 457 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.