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?

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 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$ 211 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. - 6:30 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 05m1 stop Winnipeg

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

9h 10m1 stop Calgary

C$ 311WestJet

Thu, 22 Oct - Fri, 30 Oct

5:35 a.m. - 4:55 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

14h 20m2 stops Toronto Pearson Intl Calgary

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

9h 10m1 stop Calgary

C$ 321WestJet

Tue, 27 Oct - Fri, 30 Oct

5:50 p.m. - 10:23 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

7h 33m1 stop Montreal Pierre Elliott Trudeau Intl

11:25 p.m. - 10:21 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

7h 56m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 365Air Canada

Sat, 3 Oct - Tue, 20 Oct

1:20 p.m. - 2:29 p.m.YOW Ottawa-SAN San Diego

28h 09m2 stops Calgary Phoenix Sky Harbor Intl

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

11h 05m1 stop Calgary

C$ 383Multiple Airlines

Mon, 19 Oct - Fri, 23 Oct

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 a.m. - 11:47 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

8h 57m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 385Air Canada

Fri, 11 Dec - Sat, 12 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

6:00 a.m. - 9:16 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

12h 16m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 385United Airlines

Tue, 27 Oct - Fri, 30 Oct

6:15 a.m. - 4:03 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

12h 48m2 stops Chicago O'Hare Intl San Francisco

11:45 p.m. - 1:11 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

10h 26m1 stop Newark

C$ 385United Airlines

Wed, 11 Nov - Mon, 16 Nov

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

11h 20m1 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$ 397Multiple Airlines

Wed, 30 Sep - Mon, 5 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$ 399Porter Airlines

Sat, 12 Dec - Tue, 15 Dec

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$ 399Porter Airlines

Sat, 12 Dec - Mon, 14 Dec

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

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

8h 25m1 stop Calgary

C$ 415WestJet

Sat, 12 Sep - Sat, 19 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$ 423WestJet

Sat, 12 Sep - Thu, 17 Sep

6:25 a.m. - 1:14 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 49m1 stop Chicago O'Hare Intl

3:41 p.m. - 9:11 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

14h 30m1 stop Newark

C$ 481United Airlines

Sat, 12 Sep - Sat, 12 Sep

6:25 a.m. - 2:34 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

11h 09m2 stops Chicago O'Hare Intl Los Angeles

11:57 p.m. - 9:56 a.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

6h 59m1 stop Washington, D.C. Dulles Intl

C$ 489United Airlines

Sat, 12 Sep - Sat, 12 Sep

2:45 p.m. - 9:31 p.m.YOW Ottawa-LAX Los Angeles

9h 46m1 stop Montreal Pierre Elliott Trudeau Intl

10:35 p.m. - 9:05 a.m.LAX Los Angeles-YOW Ottawa

7h 30m1 stop Toronto Pearson Intl

C$ 593Air Canada

Wed, 16 Sep - Wed, 23 Sep

5:20 p.m. - 11:20 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

9h 00m1 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$ 602Air Canada

Tue, 15 Sep - Tue, 22 Sep

4:15 p.m. - 12:30 p.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

23h 15m3 stops Calgary Winnipeg Vancouver Intl

1:20 p.m. - 3:12 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

22h 52m3 stops Vancouver Intl Calgary Winnipeg

C$ 782Multiple Airlines

Tue, 15 Sep - Tue, 22 Sep

7:00 a.m. - 6:10 p.m.YOW Ottawa-LAX Los Angeles

14h 10m1 stop Orlando

6:05 p.m. - 5:35 a.m.LAX Los Angeles-YOW Ottawa

8h 30m1 stop Calgary

C$ 804Multiple Airlines

Sat, 12 Sep - Wed, 16 Sep

7:00 a.m. - 11:42 a.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

7h 42m1 stop Toronto Pearson Intl

11:20 p.m. - 8:10 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

17h 50m2 stops Toronto Pearson Intl Kelowna

C$ 821Porter Airlines

Sat, 12 Sep - Thu, 17 Sep

7:00 a.m. - 11:42 a.m.YOW Ottawa-LAS Las Vegas Harry Reid Intl

7h 42m1 stop Toronto Pearson Intl

11:20 p.m. - 7:35 p.m.LAS Las Vegas Harry Reid Intl-YOW Ottawa

17h 15m2 stops Toronto Pearson Intl Victoria Intl

C$ 923Porter Airlines

Sat, 12 Sep - Thu, 17 Sep

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American Airlines flights from Ottawa to California

Our best American Airlines deals on Ottawa to California flight tickets

American Airlines

22 Sep

YOW7:00 a.m.Ottawa

14h 38m

2 stops

LAX6:38 p.m.Los Angeles

28 Sep

LAX10:42 p.m.Los Angeles

13h 13m

2 stops

YOW2:55 p.m.Ottawa

C$ 844

American Airlines

27 Oct

YOW7:00 a.m.Ottawa

19h 20m

3 stops

SMF11:20 p.m.Sacramento Intl

2 Nov

SMF11:59 p.m.Sacramento Intl

14h 59m

2 stops

YOW5:58 p.m.Ottawa

C$ 1,156

Porter Airlines flights from Ottawa to California

Our best Porter Airlines deals on Ottawa to California flight tickets

Porter Airlines

7 Dec

YOW5:40 p.m.Ottawa

7h 57m

1 stop

LAS10:37 p.m.Las Vegas Harry Reid Intl

15 Dec

LAS2:35 p.m.Las Vegas Harry Reid Intl

7h 15m

1 stop

YOW12:50 a.m.Ottawa

C$ 399

Porter Airlines

13 Oct

YOW7:00 a.m.Ottawa

9h 20m

1 stop

LAX1:20 p.m.Los Angeles

20 Oct

LAX2:15 p.m.Los Angeles

7h 10m

1 stop

YOW12:25 a.m.Ottawa

C$ 580

Porter Airlines

12 Sep

YOW7:00 a.m.Ottawa

7h 42m

1 stop

LAS11:42 a.m.Las Vegas Harry Reid Intl

17 Sep

LAS11:20 p.m.Las Vegas Harry Reid Intl

17h 50m

2 stops

YOW8:10 p.m.Ottawa

C$ 821

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Thu 22/10

12:25 p.m.-6:30 p.m.

1 stop9h 05m

Las Vegas Harry Reid Intl

Fri 30/10

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

1 stop9h 10m

C$ 311

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Tue 27/10

5:35 a.m.-4:55 p.m.

2 stops14h 20m

Las Vegas Harry Reid Intl

Fri 30/10

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

1 stop9h 10m

C$ 321

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 3/10

5:50 p.m.-10:23 p.m.

1 stop7h 33m

Las Vegas Harry Reid Intl

Tue 20/10

11:25 p.m.-10:21 a.m.

1 stop7h 56m

C$ 365

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Mon 19/10

1:20 p.m.-2:29 p.m.

2 stops28h 09m

San Diego

Fri 23/10

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

1 stop11h 05m

C$ 383

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Fri 11/12

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

1 stop8h 10m

Las Vegas Harry Reid Intl

Sat 12/12

11:50 a.m.-11:47 p.m.

1 stop8h 57m

C$ 385

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Tue 27/10

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

2 stops11h 57m

Las Vegas Harry Reid Intl

Fri 30/10

6:00 a.m.-9:16 p.m.

2 stops12h 16m

C$ 385

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Wed 11/11

6:15 a.m.-4:03 p.m.

2 stops12h 48m

Las Vegas Harry Reid Intl

Mon 16/11

11:45 p.m.-1:11 p.m.

1 stop10h 26m

C$ 385

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Wed 30/9

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

1 stop11h 20m

Las Vegas Harry Reid Intl

Mon 5/10

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

2 stops18h 50m

C$ 397

Quickest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 12/12

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

1 stop7h 57m

Las Vegas Harry Reid Intl

Tue 15/12

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

1 stop7h 15m

C$ 399

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 12/12

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

1 stop7h 57m

Las Vegas Harry Reid Intl

Mon 14/12

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

1 stop7h 15m

C$ 399

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$ 211
Fastest flight time	7h 57m
Direct flights	None

The best one-way flight to California from Ottawa in the past 72 hours is C$ 211. The best round-trip flight deal from Ottawa to California found on momondo in the last 72 hours is C$ 311.

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 11,611 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 312	Free Cancellation	Rating 7.4 10,196 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 328	Free Cancellation	Rating 7.2 3,445 reviews	Search WestJet flights
Porter Airlines	PriceFrom C$ 393	Free Cancellation	Rating 8.0 460 reviews	Search Porter Airlines flights
Air Transat	PriceFrom C$ 652	Free Cancellation	Rating 7.7 579 reviews	Search Air Transat flights
Delta	PriceFrom C$ 758	Free Cancellation	Rating 7.8 8,557 reviews	Search Delta 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.