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, Porter Airlines, and Air Transat 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 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$ 312 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.

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$ 526WestJet

Thu, 19 Nov - Thu, 26 Nov

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$ 543Porter Airlines

Thu, 29 Oct - Wed, 18 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$ 551Porter Airlines

Tue, 1 Dec - Tue, 8 Dec

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$ 553Air Canada

Fri, 20 Nov - Fri, 27 Nov

7:45 a.m. - 4:10 p.m.YOW Ottawa-SAN San Diego

11h 25m1 stop Vancouver Intl

12:55 p.m. - 1:40 a.m.SAN San Diego-YOW Ottawa

9h 45m1 stop Toronto Pearson Intl

C$ 561Air Canada

Sat, 5 Dec - Tue, 15 Dec

6:10 a.m. - 3:50 p.m.YOW Ottawa-SFO San Francisco

12h 40m1 stop Calgary

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

28h 00m1 stop Calgary

C$ 561WestJet

Thu, 19 Nov - Thu, 26 Nov

9:45 a.m. - 3:28 p.m.YOW Ottawa-SAN San Diego

8h 43m1 stop Washington, D.C. Dulles Intl

10:30 p.m. - 2:09 p.m.SAN San Diego-YOW Ottawa

12h 39m1 stop Chicago O'Hare Intl

C$ 611United Airlines

Wed, 4 Nov - Mon, 9 Nov

2:00 p.m. - 8:33 p.m.YOW Ottawa-SAN San Diego

9h 33m1 stop Washington, D.C. Dulles Intl

4:45 p.m. - 2:09 p.m.SAN San Diego-YOW Ottawa

18h 24m2 stops Los Angeles Chicago O'Hare Intl

C$ 611United Airlines

Wed, 4 Nov - Mon, 9 Nov

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

8h 45m1 stop Toronto Pearson Intl

5:07 p.m. - 10:15 p.m.SFO San Francisco-YOW Ottawa

26h 08m2 stops Phoenix Sky Harbor Intl Toronto Pearson Intl

C$ 647Multiple Airlines

Tue, 27 Oct - Wed, 18 Nov

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

8h 45m1 stop Toronto Pearson Intl

5:07 p.m. - 10:15 p.m.SFO San Francisco-YOW Ottawa

26h 08m2 stops Phoenix Sky Harbor Intl Toronto Pearson Intl

C$ 647Multiple Airlines

Sat, 31 Oct - Wed, 18 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:25 p.m. - 9:55 p.m.YOW Ottawa-SFO San Francisco

12h 30m2 stops Winnipeg Calgary

6:05 p.m. - 5:35 a.m.SFO San Francisco-YOW Ottawa

8h 30m1 stop Calgary

C$ 946WestJet

Thu, 15 Oct - Wed, 21 Oct

12:25 p.m. - 9:55 p.m.YOW Ottawa-SFO San Francisco

12h 30m2 stops Winnipeg Calgary

6:00 a.m. - 7:20 p.m.SFO San Francisco-YOW Ottawa

10h 20m1 stop Calgary

C$ 950WestJet

Thu, 15 Oct - Thu, 22 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$ 959Porter Airlines

Thu, 15 Oct - Wed, 21 Oct

5:20 p.m. - 10:46 p.m.YOW Ottawa-SMF Sacramento Intl

8h 26m1 stop Chicago O'Hare Intl

9:41 a.m. - 9:35 p.m.SMF Sacramento Intl-YOW Ottawa

8h 54m1 stop Chicago O'Hare Intl

C$ 963United Airlines

Wed, 14 Oct - Wed, 21 Oct

5:20 p.m. - 10:46 p.m.YOW Ottawa-SMF Sacramento Intl

8h 26m1 stop Chicago O'Hare Intl

4:17 p.m. - 9:11 a.m.SMF Sacramento Intl-YOW Ottawa

13h 54m2 stops Denver Intl Newark

C$ 963United Airlines

Wed, 14 Oct - Wed, 21 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$ 1,007Porter Airlines

Wed, 14 Oct - Wed, 21 Oct

2:00 p.m. - 9:55 p.m.YOW Ottawa-SFO San Francisco

10h 55m1 stop Calgary

6:05 p.m. - 5:35 a.m.SFO San Francisco-YOW Ottawa

8h 30m1 stop Calgary

C$ 1,093Multiple Airlines

Wed, 14 Oct - Wed, 21 Oct

2:00 p.m. - 9:55 p.m.YOW Ottawa-SFO San Francisco

10h 55m1 stop Calgary

6:00 a.m. - 7:20 p.m.SFO San Francisco-YOW Ottawa

10h 20m1 stop Calgary

C$ 1,093Multiple Airlines

Wed, 14 Oct - Thu, 22 Oct

6:00 a.m. - 8:58 p.m.YOW Ottawa-ONT Ontario

17h 58m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl

5:00 a.m. - 9:50 p.m.ONT Ontario-YOW Ottawa

13h 50m2 stops Denver Intl Toronto Pearson Intl

C$ 1,131Air Canada

Sun, 11 Oct - Sat, 7 Nov

5:00 a.m. - 12:11 p.m.YOW Ottawa-SFO San Francisco

10h 11m1 stop Vancouver Intl

6:10 a.m. - 5:16 p.m.SFO San Francisco-YOW Ottawa

8h 06m1 stop Chicago O'Hare Intl

C$ 1,150Air Canada

Sun, 11 Oct - Tue, 20 Oct

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Air Canada flights from Ottawa to California

Our best Air Canada deals on Ottawa to California flight tickets

Air Canada

20 Nov

YOW7:45 a.m.Ottawa

11h 40m

1 stop

SAN4:25 p.m.San Diego

27 Nov

SAN12:55 p.m.San Diego

8h 00m

1 stop

YOW11:55 p.m.Ottawa

C$ 553

Air Canada

5 Dec

YOW7:45 a.m.Ottawa

11h 25m

1 stop

SAN4:10 p.m.San Diego

15 Dec

SAN12:55 p.m.San Diego

9h 45m

1 stop

YOW1:40 a.m.Ottawa

C$ 561

Air Canada

29 Oct

YOW5:45 a.m.Ottawa

8h 39m

1 stop

LAX11:24 a.m.Los Angeles

4 Nov

LAX12:30 p.m.Los Angeles

9h 26m

1 stop

YOW12:56 a.m.Ottawa

C$ 568

Porter Airlines flights from Ottawa to California

Our best Porter Airlines deals on Ottawa to California flight tickets

Porter Airlines

29 Oct

YOW7:00 a.m.Ottawa

8h 45m

1 stop

SFO12:45 p.m.San Francisco

18 Nov

SFO1:45 p.m.San Francisco

7h 52m

1 stop

YOW12:37 a.m.Ottawa

C$ 543

Porter Airlines

1 Dec

YOW7:00 a.m.Ottawa

8h 47m

1 stop

SFO12:47 p.m.San Francisco

8 Dec

SFO1:45 p.m.San Francisco

7h 56m

1 stop

YOW12:41 a.m.Ottawa

C$ 551

Porter Airlines

18 Nov

YOW7:00 a.m.Ottawa

8h 44m

1 stop

SFO12:44 p.m.San Francisco

28 Nov

SFO1:45 p.m.San Francisco

7h 52m

1 stop

YOW12:37 a.m.Ottawa

C$ 561

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 19/11

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

2 stops13h 20m

San Francisco

Thu 26/11

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

1 stop28h 00m

C$ 526

Quickest round-trip

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 29/10

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

1 stop8h 45m

San Francisco

Wed 18/11

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

1 stop7h 52m

C$ 543

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Tue 1/12

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

1 stop8h 47m

San Francisco

Tue 8/12

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

1 stop7h 56m

C$ 551

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Fri 20/11

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

1 stop11h 40m

San Diego

Fri 27/11

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

1 stop8h 00m

C$ 553

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Sat 5/12

7:45 a.m.-4:10 p.m.

1 stop11h 25m

San Diego

Tue 15/12

12:55 p.m.-1:40 a.m.

1 stop9h 45m

C$ 561

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 19/11

6:10 a.m.-3:50 p.m.

1 stop12h 40m

San Francisco

Thu 26/11

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

1 stop28h 00m

C$ 561

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Wed 4/11

9:45 a.m.-3:28 p.m.

1 stop8h 43m

San Diego

Mon 9/11

10:30 p.m.-2:09 p.m.

1 stop12h 39m

C$ 611

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Wed 4/11

2:00 p.m.-8:33 p.m.

1 stop9h 33m

San Diego

Mon 9/11

4:45 p.m.-2:09 p.m.

2 stops18h 24m

C$ 611

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Tue 27/10

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

1 stop8h 45m

San Francisco

Wed 18/11

5:07 p.m.-10:15 p.m.

2 stops26h 08m

C$ 647

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Sat 31/10

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

1 stop8h 45m

San Francisco

Wed 18/11

5:07 p.m.-10:15 p.m.

2 stops26h 08m

C$ 647

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$ 593, 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$ 615.

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$ 634 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$ 510 on momondo.

Can stopping save me money on Ottawa to California flights?

You could potentially save up to 1% 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$ 312
Fastest flight time	7h 48m
Direct flights	None

The best one-way flight to California from Ottawa in the past 72 hours is C$ 312. The best round-trip flight deal from Ottawa to California found on momondo in the last 72 hours is C$ 526.

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$ 266	Free Cancellation	Rating 7.1 11,745 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 322	Free Cancellation	Rating 7.4 10,319 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 361	Free Cancellation	Rating 7.2 3,452 reviews	Search WestJet flights
Porter Airlines	PriceFrom C$ 405	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$ 782	Free Cancellation	Rating 7.8 8,645 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.