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, 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 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$ 216 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.

5:30 a.m. - 3:55 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

13h 25m2 stops Toronto Pearson Intl Calgary

11:50 a.m. - 12:01 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

9h 11m1 stop Calgary

C$ 321WestJet

Thu, 26 Nov - Thu, 3 Dec

5:30 a.m. - 3:55 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

13h 25m2 stops Toronto Pearson Intl Calgary

11:50 a.m. - 12:01 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

9h 11m1 stop Calgary

C$ 335WestJet

Mon, 23 Nov - Thu, 3 Dec

6:15 a.m. - 3:12 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

11h 57m2 stops Chicago O'Hare Intl Los Angeles

12:59 a.m. - 9:16 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

17h 17m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 385United Airlines

Thu, 29 Oct - Wed, 4 Nov

6:15 a.m. - 11:54 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

20h 39m2 stops Chicago O'Hare Intl Los Angeles

11:55 p.m. - 1:26 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

10h 31m1 stop Newark

C$ 387United Airlines

Fri, 4 Dec - Mon, 7 Dec

10:00 a.m. - 3:37 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

8h 37m1 stop Toronto Pearson Intl

7:45 a.m. - 12:44 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

13h 59m2 stops Calgary Toronto Pearson Intl

C$ 407Multiple Airlines

Sat, 24 Oct - Fri, 30 Oct

12:10 p.m. - 10:47 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

13h 37m1 stop Toronto Pearson Intl

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

8h 30m1 stop Toronto Pearson Intl

C$ 420Air Canada

Fri, 4 Dec - Mon, 7 Dec

6:25 a.m. - 6:43 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

15h 18m1 stop Chicago O'Hare Intl

11:25 p.m. - 9:19 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

6h 54m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 434Multiple Airlines

Sun, 4 Oct - Wed, 7 Oct

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

7h 57m1 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$ 467Porter Airlines

Sun, 31 Jan - Thu, 4 Feb

7:00 a.m. - 12:20 p.m.YOW Ottawa-SFO San Francisco

8h 20m1 stop Toronto Pearson Intl

1:20 p.m. - 12:25 a.m.SFO San Francisco-YOW Ottawa

8h 05m1 stop Toronto Pearson Intl

C$ 499Porter Airlines

Thu, 15 Oct - Tue, 20 Oct

5:20 p.m. - 10:13 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

7h 53m1 stop Chicago O'Hare Intl

7:00 a.m. - 9:35 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

11h 35m1 stop Chicago O'Hare Intl

C$ 501Air Canada

Sat, 10 Oct - Sat, 17 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:25 a.m. - 3:16 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

11h 51m2 stops Chicago O'Hare Intl Los Angeles

2:39 p.m. - 9:11 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

15h 32m1 stop Newark

C$ 491United Airlines

Fri, 4 Sep - Sun, 13 Sep

6:25 a.m. - 3:16 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

11h 51m2 stops Chicago O'Hare Intl Los Angeles

4:28 p.m. - 1:59 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

18h 31m2 stops Denver Intl Chicago O'Hare Intl

C$ 491United Airlines

Fri, 4 Sep - 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

4:35 p.m. - 12:30 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

16h 55m1 stop Edmonton

C$ 680Multiple Airlines

Fri, 4 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

4:35 p.m. - 12:30 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

16h 55m1 stop Edmonton

C$ 703Multiple Airlines

Tue, 1 Sep - Wed, 30 Sep

5:45 p.m. - 10:24 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

7h 39m1 stop Montreal Pierre Elliott Trudeau Intl

11:25 p.m. - 10:35 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 10m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 722Air Canada

Wed, 2 Sep - Wed, 9 Sep

8:15 p.m. - 9:40 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

28h 25m1 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$ 784WestJet

Fri, 4 Sep - Tue, 8 Sep

12:25 p.m. - 10:40 a.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

25h 15m2 stops Winnipeg Calgary

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

13h 15m2 stops Vancouver Intl Calgary

C$ 812WestJet

Fri, 4 Sep - 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. - 8:00 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

17h 40m2 stops Toronto Pearson Intl Vancouver Intl

C$ 820Porter Airlines

Thu, 3 Sep - Thu, 10 Sep

8:55 a.m. - 10:22 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

16h 27m2 stops Winnipeg Toronto Pearson Intl

9:45 a.m. - 5:40 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

16h 55m2 stops Toronto Pearson Intl Vancouver Intl

C$ 856Porter Airlines

Thu, 3 Sep - Thu, 10 Sep

6:55 a.m. - 1:37 p.m.YOW Ottawa-LAX Los Angeles

9h 42m1 stop Vancouver Intl

8:15 a.m. - 9:35 p.m.LAX Los Angeles-YOW Ottawa

10h 20m1 stop Chicago O'Hare Intl

C$ 972Air Canada

Thu, 3 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

16 Oct

YOW7:00 a.m.Ottawa

8h 20m

1 stop

SFO12:20 p.m.San Francisco

27 Oct

SFO1:45 p.m.San Francisco

8h 05m

1 stop

YOW12:50 a.m.Ottawa

C$ 527

Porter Airlines

25 Nov

YOW7:00 a.m.Ottawa

8h 34m

1 stop

LAX12:34 p.m.Los Angeles

25 Mar

LAX1:35 p.m.Los Angeles

8h 15m

1 stop

YOW12:50 a.m.Ottawa

C$ 577

Porter Airlines

17 Feb

YOW7:00 a.m.Ottawa

8h 34m

1 stop

LAX12:34 p.m.Los Angeles

24 Feb

LAX1:35 p.m.Los Angeles

8h 15m

1 stop

YOW12:50 a.m.Ottawa

C$ 626

Air Canada flights from Ottawa to California

Our best Air Canada deals on Ottawa to California flight tickets

Air Canada

21 Sep

YOW2:45 p.m.Ottawa

8h 51m

1 stop

SAN8:36 p.m.San Diego

27 Sep

SAN7:00 a.m.San Diego

10h 44m

1 stop

YOW8:44 p.m.Ottawa

C$ 537

Air Canada

24 Oct

YOW8:05 p.m.Ottawa

18h 27m

1 stop

PSP11:32 a.m.Palm Springs

30 Oct

PSP12:30 p.m.Palm Springs

8h 25m

1 stop

YOW11:55 p.m.Ottawa

C$ 555

Air Canada

11 Oct

YOW6:55 a.m.Ottawa

9h 40m

1 stop

LAX1:35 p.m.Los Angeles

18 Oct

LAX10:30 p.m.Los Angeles

7h 49m

1 stop

YOW9:19 a.m.Ottawa

C$ 571

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Thu 26/11

5:30 a.m.-3:55 p.m.

2 stops13h 25m

Las Vegas Harry Reid Intl

Thu 3/12

11:50 a.m.-12:01 a.m.

1 stop9h 11m

C$ 321

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Mon 23/11

5:30 a.m.-3:55 p.m.

2 stops13h 25m

Las Vegas Harry Reid Intl

Thu 3/12

11:50 a.m.-12:01 a.m.

1 stop9h 11m

C$ 335

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Thu 29/10

6:15 a.m.-3:12 p.m.

2 stops11h 57m

Las Vegas Harry Reid Intl

Wed 4/11

12:59 a.m.-9:16 p.m.

2 stops17h 17m

C$ 385

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Fri 4/12

6:15 a.m.-11:54 p.m.

2 stops20h 39m

Las Vegas Harry Reid Intl

Mon 7/12

11:55 p.m.-1:26 p.m.

1 stop10h 31m

C$ 386

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 24/10

10:00 a.m.-3:37 p.m.

1 stop8h 37m

Las Vegas Harry Reid Intl

Fri 30/10

7:45 a.m.-12:44 a.m.

2 stops13h 59m

C$ 407

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Fri 4/12

12:10 p.m.-10:47 p.m.

1 stop13h 37m

Las Vegas Harry Reid Intl

Mon 7/12

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

1 stop8h 30m

C$ 420

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sun 4/10

6:25 a.m.-6:43 p.m.

1 stop15h 18m

Las Vegas Harry Reid Intl

Wed 7/10

11:25 p.m.-9:19 a.m.

1 stop6h 54m

C$ 434

Quickest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sun 31/1

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

1 stop7h 57m

Las Vegas Harry Reid Intl

Thu 4/2

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

1 stop7h 15m

C$ 467

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 15/10

7:00 a.m.-12:20 p.m.

1 stop8h 20m

San Francisco

Tue 20/10

1:20 p.m.-12:25 a.m.

1 stop8h 05m

C$ 499

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 10/10

5:20 p.m.-10:13 p.m.

1 stop7h 53m

Las Vegas Harry Reid Intl

Sat 17/10

7:00 a.m.-9:35 p.m.

1 stop11h 35m

C$ 500

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 September. Flight prices, which tend to average around C$ 580, are often lower during this time because this is during the off-season. If you’re not able to fly to California in September, then January is your next best option. Flight prices from Ottawa to California during January average around C$ 580.

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$ 597 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$ 498 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$ 216
Fastest flight time	7h 57m
Direct flights	None

The best one-way flight to California from Ottawa in the past 72 hours is C$ 216. The best round-trip flight deal from Ottawa to California found on momondo in the last 72 hours is C$ 321.

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$ 182	Free Cancellation	Rating 7.1 11,558 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 314	Free Cancellation	Rating 7.4 10,148 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 347	Free Cancellation	Rating 7.2 3,444 reviews	Search WestJet flights
Porter Airlines	PriceFrom C$ 395	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.