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

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 5 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$ 201 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. - 9:40 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 15m2 stops Winnipeg Calgary

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

10h 05m1 stop Calgary

C$ 349WestJet

Wed, 2 Sep - Thu, 10 Sep

12:25 p.m. - 9:40 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 15m2 stops Winnipeg Calgary

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

10h 05m1 stop Calgary

C$ 351WestJet

Wed, 2 Sep - Thu, 10 Sep

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

9h 05m1 stop Winnipeg

3:23 p.m. - 5:35 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

11h 12m2 stops Phoenix Sky Harbor Intl Calgary

C$ 473Multiple Airlines

Mon, 12 Oct - Thu, 15 Oct

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$ 480Porter Airlines

Thu, 3 Sep - Thu, 10 Sep

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

9h 05m1 stop Winnipeg

11:16 p.m. - 5:23 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

15h 07m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

C$ 483Multiple Airlines

Mon, 12 Oct - Tue, 20 Oct

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$ 492Porter Airlines

Mon, 14 Sep - Wed, 23 Sep

5:45 a.m. - 10:55 a.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

8h 10m1 stop Montreal Pierre Elliott Trudeau Intl

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

8h 30m1 stop Toronto Pearson Intl

C$ 538Air Canada

Fri, 4 Dec - Mon, 7 Dec

5:45 a.m. - 10:55 a.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

8h 10m1 stop Montreal Pierre Elliott Trudeau Intl

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

8h 30m1 stop Toronto Pearson Intl

C$ 541Air Canada

Fri, 4 Dec - Mon, 7 Dec

7:34 p.m. - 9:07 a.m.YOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

16h 33m2 stops Washington, D.C. Dulles Intl Denver Intl

6:25 p.m. - 9:56 a.m.SNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

12h 31m2 stops Denver Intl Washington, D.C. Dulles Intl

C$ 552United Airlines

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

12h 31m2 stops Denver Intl Washington, D.C. Dulles Intl

C$ 552United Airlines

Thu, 10 Sep - Thu, 17 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:00 a.m. - 3:45 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 45m2 stops Calgary Edmonton

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

8h 25m1 stop Calgary

C$ 766WestJet

Thu, 13 Aug - Thu, 20 Aug

6:00 a.m. - 3:45 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 45m2 stops Calgary Edmonton

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

13h 15m2 stops Vancouver Intl Calgary

C$ 771WestJet

Thu, 13 Aug - Thu, 20 Aug

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

11h 20m1 stop Calgary

11:50 p.m. - 5:23 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

14h 33m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

C$ 835Multiple Airlines

Fri, 14 Aug - Mon, 17 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. - 7:47 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

17h 27m2 stops Toronto Pearson Intl Winnipeg

C$ 934Porter Airlines

Sat, 15 Aug - Sun, 6 Sep

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

9h 22m1 stop Toronto Pearson Intl

11:50 p.m. - 5:23 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

14h 33m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

C$ 950Multiple Airlines

Tue, 11 Aug - Sat, 15 Aug

9:05 a.m. - 10:24 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

16h 19m1 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$ 966Air Canada

Sat, 15 Aug - Sun, 6 Sep

3:10 p.m. - 8:51 p.m.YOW Ottawa-SFO San Francisco

8h 41m1 stop Montreal Pierre Elliott Trudeau Intl

11:39 p.m. - 10:35 a.m.SFO San Francisco-YOW Ottawa

7h 56m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 991Air Canada

Fri, 14 Aug - Fri, 21 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$ 1,050Porter Airlines

Sat, 15 Aug - Sun, 6 Sep

5:20 p.m. - 10:35 p.m.YOW Ottawa-ONT Ontario

8h 15m1 stop Chicago O'Hare Intl

1:18 p.m. - 1:59 p.m.ONT Ontario-YOW Ottawa

21h 41m2 stops Denver Intl Chicago O'Hare Intl

C$ 1,196United Airlines

Sat, 15 Aug - Sat, 22 Aug

5:20 p.m. - 10:35 p.m.YOW Ottawa-ONT Ontario

8h 15m1 stop Chicago O'Hare Intl

7:00 a.m. - 9:35 p.m.ONT Ontario-YOW Ottawa

11h 35m1 stop Chicago O'Hare Intl

C$ 1,196United Airlines

Sat, 15 Aug - Sat, 22 Aug

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Air Canada flights from Ottawa to California

Our best Air Canada deals on Ottawa to California flight tickets

Air Canada

4 Sep

YOW6:00 a.m.Ottawa

8h 19m

1 stop

LAX11:19 a.m.Los Angeles

11 Sep

LAX10:30 p.m.Los Angeles

10h 00m

1 stop

YOW11:30 a.m.Ottawa

C$ 570

Air Canada

21 Sep

YOW2:45 p.m.Ottawa

8h 09m

1 stop

LAX7:54 p.m.Los Angeles

28 Sep

LAX12:20 p.m.Los Angeles

9h 33m

1 stop

YOW12:53 a.m.Ottawa

C$ 572

Air Canada

2 Sep

YOW6:55 a.m.Ottawa

9h 42m

1 stop

LAX1:37 p.m.Los Angeles

5 Sep

LAX10:30 p.m.Los Angeles

7h 54m

1 stop

YOW9:24 a.m.Ottawa

C$ 575

American Airlines flights from Ottawa to California

Our best American Airlines deals on Ottawa to California flight tickets

American Airlines

10 Oct

YOW8:40 a.m.Ottawa

17h 29m

3 stops

SMF11:09 p.m.Sacramento Intl

19 Oct

SMF10:57 p.m.Sacramento Intl

12h 58m

2 stops

YOW2:55 p.m.Ottawa

C$ 1,196

American Airlines

24 Aug

YOW8:40 a.m.Ottawa

14h 25m

3 stops

LAX8:05 p.m.Los Angeles

30 Aug

LAX10:47 p.m.Los Angeles

13h 08m

2 stops

YOW2:55 p.m.Ottawa

C$ 1,242

American Airlines

19 Aug

YOW8:40 a.m.Ottawa

12h 04m

2 stops

LAX5:44 p.m.Los Angeles

26 Aug

LAX6:00 a.m.Los Angeles

12h 00m

2 stops

YOW9:00 p.m.Ottawa

C$ 1,291

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Wed 2/9

12:25 p.m.-9:40 p.m.

2 stops12h 15m

Las Vegas Harry Reid Intl

Thu 10/9

4:30 p.m.-5:35 a.m.

1 stop10h 05m

C$ 349

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Wed 2/9

12:25 p.m.-9:40 p.m.

2 stops12h 15m

Las Vegas Harry Reid Intl

Thu 10/9

4:30 p.m.-5:35 a.m.

1 stop10h 05m

C$ 351

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

3:23 p.m.-5:35 a.m.

2 stops11h 12m

C$ 473

Quickest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Thu 3/9

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

1 stop9h 22m

Las Vegas Harry Reid Intl

Thu 10/9

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

1 stop7h 15m

C$ 480

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

Tue 20/10

11:16 p.m.-5:23 p.m.

2 stops15h 07m

C$ 482

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Mon 14/9

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

1 stop9h 22m

Las Vegas Harry Reid Intl

Wed 23/9

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

1 stop8h 40m

C$ 492

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Fri 4/12

5:45 a.m.-10:55 a.m.

1 stop8h 10m

Las Vegas Harry Reid Intl

Mon 7/12

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

1 stop8h 30m

C$ 538

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Fri 4/12

5:45 a.m.-10:55 a.m.

1 stop8h 10m

Las Vegas Harry Reid Intl

Mon 7/12

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

1 stop8h 30m

C$ 541

OttawaSanta Ana

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

YOWSNA

Ottawa

Thu 10/9

7:34 p.m.-9:07 a.m.

2 stops16h 33m

Santa Ana J. Wayne/Orange Cnty

Thu 17/9

6:25 p.m.-9:56 a.m.

2 stops12h 31m

C$ 552

OttawaSanta Ana

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

YOWSNA

Ottawa

Thu 10/9

6:00 a.m.-7:11 p.m.

3 stops16h 11m

Santa Ana J. Wayne/Orange Cnty

Thu 17/9

6:25 p.m.-9:56 a.m.

2 stops12h 31m

C$ 552

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$ 535, 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 September is your next best option. Flight prices from Ottawa to California during September average around C$ 562.

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$ 585 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$ 489 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

Fastest flight time	7h 57m
Direct flights	None

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 5 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$ 315	Free Cancellation	Rating 7.4 10,103 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 322	Free Cancellation	Rating 7.2 3,430 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 383	Free Cancellation	Rating 7.1 11,461 reviews	Search Air Canada flights
Porter Airlines	PriceFrom C$ 389	Free Cancellation	Rating 8.0 454 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.