How long is the flight from Ottawa to California?

Departing from Ottawa to California will take you 8h 26m. Ottawa and California are separated by a distance of 3809 km. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Ottawa to California one-way?

To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 186. Air Canada flights start at C$ 201 while deals on Porter Airlines start at C$ 239 one-way.

In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 mm per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

What are the most popular routes from Ottawa to California?

The most popular flight routes from Ottawa to California are Ottawa - Los Angeles, Ottawa - Las Vegas Harry Reid Intl and Ottawa - San Francisco.

What are the most popular airlines that fly from Ottawa to California?

Consider Air Canada, United Airlines or Porter Airlines when booking your flight. These represent the most popular airlines when flying from Ottawa to California.

What is the cheapest time of day to fly from YOW to CA?

When flying from Ottawa to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Ottawa to California?

Most people fly from Ottawa (YOW) if they book a flight from Ottawa to California. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

Can I find deals for flights from Ottawa to California that include hotel bookings?

Yes. In addition to deals on Ottawa to California flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ottawa to California?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to California.

Can I find deals for business class flights from Ottawa to California?

Yes. Cheapflights offers flight deals from Ottawa to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 233+ Cheap Flights from Ottawa to California

Cheap flight deals from Ottawa to California

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ottawa to California
Explore the most affordable flight options available from Ottawa to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Thu 26/115:30 a.m. -

2 stops13h 25m

Thu 3/1211:50 a.m. -

1 stop9h 11m

Deal found 27/8C$ 321

Wed 18/115:30 a.m. -

2 stops13h 25m

Sun 22/119:35 a.m. -

2 stops11h 26m

Deal found 27/8C$ 339

Thu 29/105:15 p.m. -

2 stops20h 40m

Thu 5/1111:50 a.m. -

1 stop9h 11m

Deal found 27/8C$ 350

Sun 18/1012:25 p.m. -

2 stops12h 15m

Wed 21/106:10 p.m. -

1 stop8h 25m

Deal found 27/8C$ 361

Fri 25/91:20 p.m. -

1 stop11h 20m

Fri 2/104:30 p.m. -

1 stop10h 05m

Deal found 27/8C$ 364

Wed 25/116:10 a.m. -

1 stop9h 30m

Sun 29/111:30 p.m. -

1 stop22h 00m

Deal found 30/8C$ 432

Tue 22/96:25 a.m. -

2 stops15h 34m

Sat 26/96:36 p.m. -

2 stops11h 35m

Deal found 31/8C$ 448

Sat 19/910:37 a.m. -

2 stops12h 25m

Wed 23/910:25 p.m. -

1 stop7h 46m

Deal found 27/8C$ 469

Sat 24/1012:25 p.m. -

2 stops27h 10m

Fri 30/1010:25 a.m. -

2 stops11h 35m

Deal found 27/8C$ 477

Thu 8/108:15 p.m. -

1 stop18h 45m

Tue 13/106:00 a.m. -

1 stop10h 20m

Deal found 28/8C$ 483

Thu 22/1012:25 p.m. -

2 stops12h 30m

Thu 29/105:40 p.m. -

1 stop18h 50m

Deal found 30/8C$ 484

Thu 15/1012:25 p.m. -

2 stops12h 30m

Mon 19/106:00 a.m. -

1 stop20h 35m

Deal found 28/8C$ 487

Best flights from Ottawa to California
Discover carefully curated flight deals from Ottawa to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Fri 25/912:25 p.m. -

2 stops12h 15m

Fri 2/108:30 a.m. -

2 stops12h 50m

Deal found 27/8C$ 377

Sat 19/96:05 a.m. -

1 stop13h 48m

Wed 23/911:57 p.m. -

1 stop6h 59m

Deal found 27/8C$ 437

Fri 16/107:00 a.m. -

1 stop8h 20m

Tue 27/101:45 p.m. -

1 stop8h 05m

Deal found 29/8C$ 526

Wed 11/116:15 a.m. -

2 stops16h 50m

Sun 15/1112:30 p.m. -

1 stop16h 50m

Deal found 27/8C$ 569

Sun 27/95:00 a.m. -

1 stop11h 35m

Sun 4/1010:30 p.m. -

1 stop10h 00m

Deal found 27/8C$ 575

Thu 24/91:20 p.m. -

1 stop11h 35m

Mon 28/96:00 a.m. -

1 stop10h 20m

Deal found 28/8C$ 767

Thu 15/108:15 p.m. -

2 stops15h 55m

Sat 17/106:10 p.m. -

1 stop8h 25m

Deal found 27/8C$ 416

Tue 13/106:25 a.m. -

1 stop17h 03m

Mon 19/1012:59 a.m. -

2 stops13h 17m

Deal found 27/8C$ 437

Sat 26/96:25 a.m. -

2 stops13h 41m

Wed 30/96:19 p.m. -

2 stops12h 37m

Deal found 27/8C$ 437

Tue 22/92:52 p.m. -

1 stop8h 32m

Sat 26/99:00 p.m. -

1 stop9h 11m

Deal found 31/8C$ 448

Fri 23/104:15 p.m. -

1 stop22h 45m

Fri 30/105:40 p.m. -

1 stop28h 20m

Deal found 31/8C$ 495

Sun 15/117:00 a.m. -

1 stop9h 37m

Thu 19/1111:35 p.m. -

2 stops17h 17m

Deal found 31/8C$ 569

Mon 21/96:15 p.m. -

2 stops20h 45m

Tue 29/96:00 a.m. -

1 stop10h 20m

Deal found 29/8C$ 504

Sat 19/910:37 a.m. -

2 stops12h 25m

Wed 23/98:45 a.m. -

2 stops10h 50m

Deal found 27/8C$ 469

Thu 15/108:45 a.m. -

2 stops16h 37m

Thu 22/1011:20 p.m. -

2 stops12h 29m

Deal found 31/8C$ 569

Wed 7/106:55 a.m. -

2 stops12h 45m

Tue 13/106:00 a.m. -

2 stops27h 30m

Deal found 28/8C$ 504

Tue 29/96:00 a.m. -

2 stops12h 58m

Tue 6/1011:55 p.m. -

1 stop7h 01m

Deal found 1/9C$ 515

Sat 17/104:15 p.m. -

1 stop22h 45m

Tue 20/101:00 p.m. -

1 stop25h 15m

Deal found 27/8C$ 519

Fri 16/107:20 a.m. -

2 stops18h 25m

Tue 27/108:00 a.m. -

2 stops13h 44m

Deal found 27/8C$ 808

Tue 8/126:15 a.m. -

1 stop8h 45m

Fri 11/122:27 p.m. -

2 stops20h 42m

Deal found 27/8C$ 522

Sat 24/106:15 p.m. -

1 stop18h 20m

Fri 30/1010:25 a.m. -

2 stops11h 35m

Deal found 27/8C$ 522

Fri 16/107:00 a.m. -

1 stop8h 20m

Tue 20/101:20 p.m. -

1 stop8h 05m

Deal found 28/8C$ 740

Thu 12/116:15 a.m. -

2 stops17h 09m

Sun 15/1110:30 p.m. -

2 stops15h 50m

Deal found 31/8C$ 526

Wed 25/116:10 a.m. -

1 stop9h 45m

Sun 29/119:25 a.m. -

2 stops11h 36m

Deal found 30/8C$ 540

Tue 22/910:37 a.m. -

1 stop15h 43m

Mon 28/911:55 p.m. -

1 stop7h 01m

Deal found 30/8C$ 556

Tue 22/96:55 a.m. -

2 stops18h 00m

Tue 29/91:00 p.m. -

2 stops20h 30m

Deal found 30/8C$ 584

Fri 26/212:10 p.m. -

2 stops11h 18m

Fri 5/31:07 p.m. -

2 stops9h 28m

Deal found 29/8C$ 1,159

Sun 27/96:05 a.m. -

1 stop8h 13m

Wed 30/97:00 a.m. -

1 stop12h 35m

Deal found 30/8C$ 556

Tue 8/124:15 p.m. -

1 stop23h 40m

Fri 11/125:00 p.m. -

1 stop28h 01m

Deal found 31/8C$ 590

Wed 23/96:00 a.m. -

3 stops14h 37m

Mon 28/99:26 p.m. -

2 stops13h 33m

Deal found 1/9C$ 559

Find flight deals from Ottawa to California

Round-trip from	C$ 321
One-way from	C$ 233
Popular in	December
Cheapest in	February
Average price	C$ 575

WestJet
26/11-3/12
3 total stops
22h 36m total
Ottawa to California

Search Deals

Porter Airlines
2/10
1 total stop
9h 22m total
Ottawa to California

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (C$ 1 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Fri 25/9

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

2 stops12h 15m

Las Vegas Harry Reid Intl

Fri 2/10

8:30 a.m.-12:20 a.m.

2 stops12h 50m

C$ 377

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Thu 15/10

8:15 p.m.-9:10 a.m.

2 stops15h 55m

Las Vegas Harry Reid Intl

Sat 17/10

6:10 p.m.-5:35 a.m.

1 stop8h 25m

C$ 416

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 19/9

6:05 a.m.-4:53 p.m.

1 stop13h 48m

Las Vegas Harry Reid Intl

Wed 23/9

11:57 p.m.-9:56 a.m.

1 stop6h 59m

C$ 437

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Tue 13/10

6:25 a.m.-8:28 p.m.

1 stop17h 03m

Las Vegas Harry Reid Intl

Mon 19/10

12:59 a.m.-5:16 p.m.

2 stops13h 17m

C$ 437

OttawaLas Vegas

YOW Ottawa - LAS Las Vegas Harry Reid Intl

YOWLAS

Ottawa

Sat 26/9

6:25 a.m.-5:06 p.m.

2 stops13h 41m

Las Vegas Harry Reid Intl

Wed 30/9

6:19 p.m.-9:56 a.m.

2 stops12h 37m

C$ 437

OttawaSanta Ana

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

YOWSNA

Ottawa

Tue 22/9

2:52 p.m.-8:24 p.m.

1 stop8h 32m

Santa Ana J. Wayne/Orange Cnty

Sat 26/9

9:00 p.m.-9:11 a.m.

1 stop9h 11m

C$ 448

OttawaSan Diego

YOW Ottawa - SAN San Diego

YOWSAN

Ottawa

Sat 19/9

10:37 a.m.-8:02 p.m.

2 stops12h 25m

San Diego

Wed 23/9

8:45 a.m.-10:35 p.m.

2 stops10h 50m

C$ 469

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Fri 23/10

4:15 p.m.-12:00 p.m.

1 stop22h 45m

San Francisco

Fri 30/10

5:40 p.m.-1:00 a.m.

1 stop28h 20m

C$ 495

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Mon 21/9

6:15 p.m.-12:00 p.m.

2 stops20h 45m

San Francisco

Tue 29/9

6:00 a.m.-7:20 p.m.

1 stop10h 20m

C$ 504

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Wed 7/10

6:55 a.m.-4:40 p.m.

2 stops12h 45m

San Francisco

Tue 13/10

6:00 a.m.-12:30 p.m.

2 stops27h 30m

C$ 504

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ottawa to California

Have a flexible travel schedule? Discover the best time to fly to California from Ottawa with our price prediction graph.

YOW-LAS

YOW-SFO

YOW-PSP

YOW-LAX

YOW-SNA

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to California

YOW-USCA

YOW-LAS

YOW-SFO

YOW-PSP

YOW-LAX

What is the cheapest month to book a flight from Ottawa to California?

Currently, January is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 579). Flying from Ottawa to California in August is currently the most expensive (average of C$ 722). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Ottawa to California?

Airfare is typical for this route at the moment.

Ottawa to California flights typically cost between C$ 551 and C$ 636 in September.
The cheapest round-trip price found within the last 5 days was C$ 554 on WestJet (19 Sep-28 Sep).

How far ahead should I book a flight from Ottawa to California?

To ensure you get the cheapest price possible for a flight from Ottawa to California, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing California

Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet from Ottawa to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Porter Airlines

8.0

Very good

458 reviews

Porter Airlines

8.0

Very good

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

United Airlines

7.4

Good

10,151 reviews

Porter Airlines

8.0

Very good

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

WestJet

7.2

Good

3,444 reviews

Porter Airlines

8.0

Very good

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Air Canada

7.1

Good

11,566 reviews

Porter Airlines

8.0

Very good

458 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Related info for your journey

What airport do you fly from for flights from Ottawa to California?
Most people fly from Ottawa (YOW) if they book a flight from Ottawa to California. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.
How long is the flight from Ottawa to California?
Departing from Ottawa to California will take you 8h 26m. Ottawa and California are separated by a distance of 3809 km. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Ottawa to California one-way?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 186. Air Canada flights start at C$ 201 while deals on Porter Airlines start at C$ 239 one-way.
What are the most popular routes from Ottawa to California?
The most popular flight routes from Ottawa to California are Ottawa - Los Angeles, Ottawa - Las Vegas Harry Reid Intl and Ottawa - San Francisco.
Can I find deals for flights from Ottawa to California that include hotel bookings?
Yes. In addition to deals on Ottawa to California flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to California?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to California.
Can I find deals for business class flights from Ottawa to California?
Yes. Cheapflights offers flight deals from Ottawa to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ottawa to California?
Currently, January is the cheapest month in which you can book a flight from Ottawa to California (average of C$ 579). Flying from Ottawa to California in August is currently the most expensive (average of C$ 722). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

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Popular flights

Top destinations

Alternative routes for Ottawa to California

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Top 4 airlines flying from Ottawa to California

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 181	AverageC$ 713	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 313	AverageC$ 666	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
WestJet	CheapestC$ 329	AverageC$ 568	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Porter Airlines	CheapestC$ 394	AverageC$ 642	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ottawa to California?

Cheapflights helps you search for flights from Ottawa to California via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to California?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to California by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa to California with no change fees?

Certainly. Search results for flights to California from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to California become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Ottawa to California from C$ 233

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ottawa to California

Cheapest flights from Ottawa to CaliforniaExplore the most affordable flight options available from Ottawa to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Explore the most affordable flight options available from Ottawa to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from Ottawa to CaliforniaDiscover carefully curated flight deals from Ottawa to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Discover carefully curated flight deals from Ottawa to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Last-minute flights from Ottawa to CaliforniaDiscover last-minute flight deals from Ottawa to California. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Ottawa to California. Data last updated 1 September 2026 and is based on user searches.

One-way flights from Ottawa to CaliforniaSearch for one-way flight options from Ottawa to California. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Search for one-way flight options from Ottawa to California. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Find flight deals from Ottawa to California

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ottawa to California that are best for you.

Best time to book a flight from Ottawa to California

Have a flexible travel schedule? Discover the best time to fly to California from Ottawa with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Ottawa to California?

How much does it cost to fly round-trip from Ottawa to California?

Airfare is typical for this route at the moment.

Ottawa to California flights typically cost between C$ 551 and C$ 636 in September.The cheapest round-trip price found within the last 5 days was C$ 554 on WestJet (19 Sep-28 Sep).

How far ahead should I book a flight from Ottawa to California?

To ensure you get the cheapest price possible for a flight from Ottawa to California, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing California

Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet from Ottawa to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Ottawa to California?

How long is the flight from Ottawa to California?

What are the cheapest airlines to fly from Ottawa to California one-way?

What are the most popular routes from Ottawa to California?

Can I find deals for flights from Ottawa to California that include hotel bookings?

How can I find direct flights from Ottawa to California?

Can I find deals for business class flights from Ottawa to California?

What is the cheapest month to book a flight from Ottawa to California?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to California

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to California by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Ottawa to California by cabin class

Find flights from Ottawa to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ottawa and California flights

Browse other Ottawa and California flight options. Last updated on 1 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Ottawa to California flights

Consider these flights travelling from Ottawa to California.

Top 4 airlines flying from Ottawa to California

Fly with Cheapflights

How does Cheapflights help users find flights from Ottawa to California?

Why should you use Cheapflights to find cheap flight tickets from Ottawa to California?

Can Cheapflights find flights from Ottawa to California with no change fees?

Can Cheapflights notify me if prices for flights from Ottawa to California become cheaper?

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Cheapest flights from Ottawa to California
Explore the most affordable flight options available from Ottawa to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from Ottawa to California
Discover carefully curated flight deals from Ottawa to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Last-minute flights from Ottawa to California
Discover last-minute flight deals from Ottawa to California. Data last updated 1 September 2026 and is based on user searches.

One-way flights from Ottawa to California
Search for one-way flight options from Ottawa to California. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Ottawa to California flights typically cost between C$ 551 and C$ 636 in September.
The cheapest round-trip price found within the last 5 days was C$ 554 on WestJet (19 Sep-28 Sep).