What is the cheapest airline that flies from Ottawa to California?

WestJet, Air Canada, and Porter 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 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.

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 October 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$ 290 Cheap Flights from Ottawa to California in 2026/27

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.

7:45 a.m. - 4:25 p.m.YOW Ottawa-SAN San Diego

11h 40m1 stop Vancouver Intl

12:55 p.m. - 11:55 p.m.SAN San Diego-YOW Ottawa

8h 00m1 stop Toronto Pearson Intl

C$ 514Air Canada

Tue, 10 Nov - Tue, 17 Nov

7:00 a.m. - 12:47 p.m.YOW Ottawa-SFO San Francisco

8h 47m1 stop Toronto Pearson Intl

1:45 p.m. - 12:41 a.m.SFO San Francisco-YOW Ottawa

7h 56m1 stop Toronto Pearson Intl

C$ 526Porter Airlines

Thu, 10 Dec - Sun, 13 Dec

7:00 a.m. - 12:45 p.m.YOW Ottawa-SFO San Francisco

8h 45m1 stop Toronto Pearson Intl

1:45 p.m. - 12:37 a.m.SFO San Francisco-YOW Ottawa

7h 52m1 stop Toronto Pearson Intl

C$ 526Porter Airlines

Wed, 28 Oct - Wed, 4 Nov

6:10 a.m. - 12:40 p.m.YOW Ottawa-SAN San Diego

9h 30m1 stop Calgary

1:30 p.m. - 11:40 p.m.SAN San Diego-YOW Ottawa

31h 10m1 stop Calgary

C$ 528WestJet

Sun, 6 Dec - Mon, 14 Dec

5:30 a.m. - 3:50 p.m.YOW Ottawa-SFO San Francisco

13h 20m2 stops Toronto Pearson Intl Calgary

4:40 p.m. - 11:40 p.m.SFO San Francisco-YOW Ottawa

28h 00m1 stop Calgary

C$ 532WestJet

Thu, 10 Dec - Sun, 13 Dec

6:00 a.m. - 10:00 p.m.YOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

19h 00m2 stops Newark Denver Intl

4:05 p.m. - 2:09 p.m.SNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

19h 04m2 stops Denver Intl Chicago O'Hare Intl

C$ 534United Airlines

Fri, 30 Oct - Wed, 4 Nov

2:00 p.m. - 8:23 p.m.YOW Ottawa-SNA Santa Ana J. Wayne/Orange Cnty

9h 23m1 stop Washington, D.C. Dulles Intl

6:49 a.m. - 9:56 p.m.SNA Santa Ana J. Wayne/Orange Cnty-YOW Ottawa

12h 07m2 stops Denver Intl Newark

C$ 535United Airlines

Tue, 12 Jan - Wed, 13 Jan

6:00 a.m. - 12:00 p.m.YOW Ottawa-SAN San Diego

9h 00m1 stop Toronto Pearson Intl

12:50 p.m. - 1:40 a.m.SAN San Diego-YOW Ottawa

9h 50m1 stop Toronto Pearson Intl

C$ 536Air Canada

Sat, 20 Feb - Wed, 24 Feb

6:00 a.m. - 5:21 p.m.YOW Ottawa-PSP Palm Springs

14h 21m2 stops Newark Denver Intl

12:45 p.m. - 12:56 a.m.PSP Palm Springs-YOW Ottawa

9h 11m1 stop Vancouver Intl

C$ 581Multiple Airlines

Fri, 30 Oct - Wed, 4 Nov

6:10 a.m. - 12:40 p.m.YOW Ottawa-SAN San Diego

9h 30m1 stop Calgary

1:02 p.m. - 11:40 p.m.SAN San Diego-YOW Ottawa

31h 38m2 stops Phoenix Sky Harbor Intl Calgary

C$ 595Multiple Airlines

Sun, 6 Dec - Mon, 14 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:25 p.m. - 10:05 p.m.YOW Ottawa-LAX Los Angeles

12h 40m2 stops Winnipeg Calgary

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

8h 30m1 stop Calgary

C$ 851WestJet

Mon, 19 Oct - Sat, 24 Oct

7:20 a.m. - 2:45 p.m.YOW Ottawa-LAX Los Angeles

10h 25m1 stop Calgary

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

8h 30m1 stop Calgary

C$ 854WestJet

Mon, 19 Oct - Sat, 24 Oct

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$ 869Porter Airlines

Fri, 16 Oct - Sun, 18 Oct

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

8h 20m1 stop Toronto Pearson Intl

1:45 p.m. - 12:50 a.m.SFO San Francisco-YOW Ottawa

8h 05m1 stop Toronto Pearson Intl

C$ 888Porter Airlines

Fri, 16 Oct - Tue, 27 Oct

6:55 a.m. - 1:35 p.m.YOW Ottawa-LAX Los Angeles

9h 40m1 stop Vancouver Intl

12:20 p.m. - 12:53 a.m.LAX Los Angeles-YOW Ottawa

9h 33m1 stop Vancouver Intl

C$ 980Air Canada

Mon, 19 Oct - Fri, 23 Oct

6:25 a.m. - 11:25 a.m.YOW Ottawa-SAN San Diego

8h 00m1 stop Chicago O'Hare Intl

4:11 p.m. - 9:56 a.m.SAN San Diego-YOW Ottawa

14h 45m2 stops Denver Intl Washington, D.C. Dulles Intl

C$ 1,060United Airlines

Tue, 20 Oct - Fri, 23 Oct

6:00 a.m. - 2:57 p.m.YOW Ottawa-SAN San Diego

11h 57m1 stop Washington, D.C. Dulles Intl

10:20 p.m. - 9:11 a.m.SAN San Diego-YOW Ottawa

7h 51m1 stop Newark

C$ 1,060United Airlines

Tue, 20 Oct - Fri, 23 Oct

6:55 a.m. - 3:21 p.m.YOW Ottawa-SFO San Francisco

11h 26m1 stop Vancouver Intl

12:15 p.m. - 12:53 a.m.SFO San Francisco-YOW Ottawa

9h 38m1 stop Vancouver Intl

C$ 1,104Air Canada

Fri, 16 Oct - Sun, 18 Oct

8:15 p.m. - 10:05 p.m.YOW Ottawa-LAX Los Angeles

28h 50m1 stop Calgary

1:35 p.m. - 12:50 a.m.LAX Los Angeles-YOW Ottawa

8h 15m1 stop Toronto Pearson Intl

C$ 1,108Multiple Airlines

Fri, 16 Oct - Fri, 30 Oct

6:15 p.m. - 9:55 p.m.YOW Ottawa-SFO San Francisco

30h 40m2 stops Edmonton Calgary

1:45 p.m. - 12:50 a.m.SFO San Francisco-YOW Ottawa

8h 05m1 stop Toronto Pearson Intl

C$ 1,126Multiple Airlines

Fri, 16 Oct - Tue, 27 Oct

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Lufthansa flights from Ottawa to California

Our best Lufthansa deals on Ottawa to California flight tickets

Lufthansa

12 Nov

YOW4:46 p.m.Ottawa

9h 09m

1 stop

LAX10:55 p.m.Los Angeles

17 Nov

LAX11:47 p.m.Los Angeles

11h 22m

1 stop

YOW2:09 p.m.Ottawa

C$ 643

Lufthansa

12 Nov

YOW6:00 a.m.Ottawa

18h 40m

2 stops

ONT9:40 p.m.Ontario

17 Nov

ONT7:00 a.m.Ontario

11h 16m

1 stop

YOW9:16 p.m.Ottawa

C$ 978

United Airlines flights from Ottawa to California

Our best United Airlines deals on Ottawa to California flight tickets

United Airlines

30 Oct

YOW6:00 a.m.Ottawa

19h 00m

2 stops

SNA10:00 p.m.Santa Ana J. Wayne/Orange Cnty

4 Nov

SNA4:05 p.m.Santa Ana J. Wayne/Orange Cnty

19h 04m

2 stops

YOW2:09 p.m.Ottawa

C$ 534

United Airlines

12 Jan

YOW4:36 p.m.Ottawa

8h 54m

1 stop

SNA10:30 p.m.Santa Ana J. Wayne/Orange Cnty

13 Jan

SNA6:45 a.m.Santa Ana J. Wayne/Orange Cnty

11h 38m

1 stop

YOW9:23 p.m.Ottawa

C$ 535

United Airlines

8 Dec

YOW6:15 a.m.Ottawa

11h 59m

2 stops

PSP3:14 p.m.Palm Springs

10 Dec

PSP7:40 p.m.Palm Springs

14h 31m

2 stops

YOW1:11 p.m.Ottawa

C$ 581

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Tue 10/11

7:45 a.m.-4:25 p.m.

1 stop11h 40m

San Diego

Tue 17/11

12:55 p.m.-11:55 p.m.

1 stop8h 00m

C$ 514

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 10/12

7:00 a.m.-12:47 p.m.

1 stop8h 47m

San Francisco

Sun 13/12

1:45 p.m.-12:41 a.m.

1 stop7h 56m

C$ 526

Quickest round-trip

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Wed 28/10

7:00 a.m.-12:45 p.m.

1 stop8h 45m

San Francisco

Wed 4/11

1:45 p.m.-12:37 a.m.

1 stop7h 52m

C$ 526

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Sun 6/12

6:10 a.m.-12:40 p.m.

1 stop9h 30m

San Diego

Mon 14/12

1:30 p.m.-11:40 p.m.

1 stop31h 10m

C$ 528

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 10/12

5:30 a.m.-3:50 p.m.

2 stops13h 20m

San Francisco

Sun 13/12

4:40 p.m.-11:40 p.m.

1 stop28h 00m

C$ 532

OttawaSanta Ana

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

YOWSNA

Ottawa

Fri 30/10

6:00 a.m.-10:00 p.m.

2 stops19h 00m

Santa Ana J. Wayne/Orange Cnty

Wed 4/11

4:05 p.m.-2:09 p.m.

2 stops19h 04m

C$ 534

OttawaSanta Ana

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

YOWSNA

Ottawa

Tue 12/1

2:00 p.m.-8:23 p.m.

1 stop9h 23m

Santa Ana J. Wayne/Orange Cnty

Wed 13/1

6:49 a.m.-9:56 p.m.

2 stops12h 07m

C$ 535

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Sat 20/2

6:00 a.m.-12:00 p.m.

1 stop9h 00m

San Diego

Wed 24/2

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

1 stop9h 50m

C$ 536

OttawaPalm Springs

YOW Ottawa - PSP Palm Springs

YOWPSP

Ottawa

Fri 30/10

6:00 a.m.-5:21 p.m.

2 stops14h 21m

Palm Springs

Wed 4/11

12:45 p.m.-12:56 a.m.

1 stop9h 11m

C$ 581

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Sun 6/12

6:10 a.m.-12:40 p.m.

1 stop9h 30m

San Diego

Mon 14/12

1:02 p.m.-11:40 p.m.

2 stops31h 38m

C$ 595

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 January. Flight prices, which tend to average around C$ 592, are often lower during this time because this is during the off-season. If you’re not able to fly to California in January, then September is your next best option. Flight prices from Ottawa to California during September average around C$ 612.

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$ 638 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$ 509 on momondo.

Can stopping save me money on Ottawa to California flights?

You could potentially save up to 11% 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$ 290
Fastest flight time	7h 48m
Direct flights	None

The best one-way flight to California from Ottawa in the past 72 hours is C$ 290. The best round-trip flight deal from Ottawa to California found on momondo in the last 72 hours is C$ 514.

The fastest flight from Ottawa to California takes 7h 48m

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 October 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$ 265	Free Cancellation	Rating 7.1 11,774 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 321	Free Cancellation	Rating 7.4 10,364 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 362	Free Cancellation	Rating 7.2 3,446 reviews	Search WestJet flights
Porter Airlines	PriceFrom C$ 404	Free Cancellation	Rating 8.0 468 reviews	Search Porter Airlines flights
Air Transat	PriceFrom C$ 672	Free Cancellation	Rating 7.7 583 reviews	Search Air Transat flights
Delta	PriceFrom C$ 781	Free Cancellation	Rating 7.8 8,652 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.