How long is the flight from Ottawa to California?

Departing from Ottawa to California will take you 8h 58m. Ottawa and California are separated by a distance of 3925 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$ 180. Porter Airlines flights start at C$ 189 while deals on Air Canada start at C$ 199 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 - Las Vegas Harry Reid Intl, Ottawa - Los Angeles and Ottawa - San Francisco.

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

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

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$ 197+ Flights from Ottawa to California

Cheap flight deals from Ottawa to California

Enter your travel dates to find the best prices.

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 23 December 2025.

Tue 30/126:45 a.m.YOW - SFO

1 stop8h 55mPorter Airlines

Tue 27/11:45 p.m.SFO - YOW

1 stop7h 58mPorter Airlines

Deal found 21/12C$ 726

Wed 24/127:27 p.m.YOW - SJC

2 stops21h 06mUnited Airlines

Wed 7/14:00 p.m.SJC - YOW

2 stops22h 12mUnited Airlines

Deal found 22/12C$ 754

Sun 28/127:27 p.m.YOW - LAS

1 stop19h 00mUnited Airlines

Wed 31/1212:59 a.m.LAS - YOW

2 stops17h 19mUnited Airlines

Deal found 21/12C$ 805

Thu 25/126:00 a.m.YOW - LAS

2 stops17h 15mWestJet

Tue 30/121:10 p.m.LAS - YOW

2 stops32h 30mWestJet

Deal found 22/12C$ 821

Sat 27/126:15 a.m.YOW - SJC

1 stop19h 19mUnited Airlines

Thu 1/12:29 p.m.SJC - YOW

2 stops27h 49mUnited Airlines

Deal found 21/12C$ 844

Sun 28/129:45 a.m.YOW - SMF

1 stop15h 44mUnited Airlines

Fri 2/15:10 a.m.SMF - YOW

2 stops15h 44mUnited Airlines

Deal found 21/12C$ 869

Mon 22/126:00 a.m.YOW - LAS

1 stop15h 11mWestJet

Fri 26/127:30 p.m.LAS - YOW

2 stops26h 10mWestJet

Deal found 21/12C$ 888

Tue 23/126:45 a.m.YOW - SFO

1 stop8h 55mPorter Airlines

Tue 13/11:45 p.m.SFO - YOW

1 stop7h 58mPorter Airlines

Deal found 21/12C$ 891

Tue 30/125:40 a.m.YOW - LAS

2 stops42h 51mWestJet

Fri 2/111:25 p.m.LAS - YOW

1 stop22h 17mWestJet

Deal found 21/12C$ 898

Tue 23/126:00 a.m.YOW - LAS

2 stops33h 19mWestJet

Mon 5/111:25 p.m.LAS - YOW

1 stop22h 17mWestJet

Deal found 21/12C$ 940

Mon 22/126:00 a.m.YOW - LAS

1 stop15h 11mWestJet

Sun 28/127:30 p.m.LAS - YOW

2 stops26h 10mWestJet

Deal found 21/12C$ 969

Tue 23/126:45 a.m.YOW - SFO

1 stop8h 55mMultiple Airlines

Tue 13/11:00 p.m.SFO - YOW

2 stops32h 42mMultiple Airlines

Deal found 21/12C$ 971

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 23 December 2025.

Mon 2/35:45 p.m.YOW - SFO

1 stop21h 25mWestJet

Thu 5/31:00 p.m.SFO - YOW

1 stop8h 40mWestJet

Deal found 21/12C$ 369

Tue 31/310:44 a.m.YOW - LAS

1 stop14h 15mUnited Airlines

Sun 5/411:45 p.m.LAS - YOW

1 stop7h 18mUnited Airlines

Deal found 22/12C$ 384

Fri 30/16:45 a.m.YOW - SFO

1 stop8h 58mPorter Airlines

Sat 7/21:45 p.m.SFO - YOW

1 stop7h 58mPorter Airlines

Deal found 21/12C$ 384

Thu 5/23:05 p.m.YOW - LAS

1 stop9h 57mMultiple Airlines

Thu 12/211:25 p.m.LAS - YOW

1 stop22h 14mMultiple Airlines

Deal found 22/12C$ 403

Tue 24/32:50 p.m.YOW - LAX

1 stop10h 10mAir Canada

Sat 28/310:55 p.m.LAX - YOW

1 stop9h 09mAir Canada

Deal found 21/12C$ 456

Fri 20/22:15 p.m.YOW - LAS

2 stops22h 20mUnited Airlines

Mon 23/27:42 p.m.LAS - YOW

2 stops11h 44mUnited Airlines

Deal found 22/12C$ 384

Sat 17/16:45 a.m.YOW - SFO

1 stop8h 58mPorter Airlines

Sat 24/11:45 p.m.SFO - YOW

1 stop7h 58mPorter Airlines

Deal found 21/12C$ 384

Thu 5/26:00 a.m.YOW - LAS

2 stops17h 16mWestJet

Thu 12/21:10 p.m.LAS - YOW

2 stops26h 13mWestJet

Deal found 22/12C$ 398

Mon 20/46:25 a.m.YOW - LAS

1 stop18h 34mUnited Airlines

Wed 22/411:59 p.m.LAS - YOW

1 stop11h 00mUnited Airlines

Deal found 22/12C$ 385

Fri 16/16:45 a.m.YOW - SFO

1 stop8h 58mPorter Airlines

Mon 26/11:45 p.m.SFO - YOW

1 stop7h 58mPorter Airlines

Deal found 21/12C$ 388

Sun 8/36:00 a.m.YOW - LAS

1 stop18h 33mWestJet

Fri 13/311:25 p.m.LAS - YOW

1 stop22h 14mWestJet

Deal found 22/12C$ 398

Thu 9/45:40 a.m.YOW - SJC

2 stops18h 53mDelta

Sun 12/46:25 p.m.SJC - YOW

2 stops27h 15mDelta

Deal found 22/12C$ 888

Fri 16/15:40 a.m.YOW - LAX

1 stop9h 56mMultiple Airlines

Sun 18/110:45 a.m.LAX - YOW

1 stop10h 55mMultiple Airlines

Deal found 22/12C$ 454

Mon 23/25:11 p.m.YOW - LAS

1 stop9h 19mUnited Airlines

Wed 4/311:59 p.m.LAS - YOW

1 stop7h 27mUnited Airlines

Deal found 22/12C$ 385

Fri 30/16:45 a.m.YOW - SFO

1 stop8h 58mPorter Airlines

Mon 2/21:45 p.m.SFO - YOW

1 stop7h 58mPorter Airlines

Deal found 22/12C$ 392

Mon 2/28:25 p.m.YOW - SMF

2 stops18h 27mAir Canada

Wed 4/212:30 p.m.SMF - YOW

2 stops10h 08mAir Canada

Deal found 22/12C$ 493

Fri 20/25:40 a.m.YOW - LAS

2 stops42h 53mWestJet

Mon 23/27:05 p.m.LAS - YOW

1 stop18h 48mWestJet

Deal found 22/12C$ 408

Sun 18/16:00 a.m.YOW - LAX

2 stops15h 32mMultiple Airlines

Sun 25/111:50 a.m.LAX - YOW

1 stop23h 55mMultiple Airlines

Deal found 21/12C$ 463

Mon 2/26:40 a.m.YOW - SFO

1 stop9h 05mPorter Airlines

Sun 8/21:45 p.m.SFO - YOW

1 stop7h 58mPorter Airlines

Deal found 22/12C$ 394

Tue 3/26:00 a.m.YOW - SFO

1 stop9h 10mWestJet

Tue 10/21:00 p.m.SFO - YOW

2 stops32h 39mWestJet

Deal found 21/12C$ 409

Mon 2/22:15 p.m.YOW - SMF

1 stop9h 35mUnited Airlines

Wed 4/27:50 a.m.SMF - YOW

2 stops11h 06mUnited Airlines

Deal found 21/12C$ 428

Fri 23/110:20 a.m.YOW - SMF

2 stops11h 21mAir Canada

Mon 26/112:58 p.m.SMF - YOW

2 stops9h 40mAir Canada

Deal found 21/12C$ 520

Tue 13/16:45 a.m.YOW - SFO

1 stop8h 58mPorter Airlines

Sun 1/21:45 p.m.SFO - YOW

1 stop7h 58mPorter Airlines

Deal found 21/12C$ 401

Mon 20/46:00 a.m.YOW - LAS

2 stops17h 16mWestJet

Wed 22/48:05 a.m.LAS - YOW

2 stops13h 34mWestJet

Deal found 21/12C$ 419

Fri 23/12:15 p.m.YOW - SMF

1 stop9h 35mUnited Airlines

Mon 26/18:30 p.m.SMF - YOW

2 stops17h 42mUnited Airlines

Deal found 21/12C$ 428

Mon 19/16:45 a.m.YOW - SFO

1 stop8h 58mPorter Airlines

Mon 26/11:45 p.m.SFO - YOW

1 stop7h 58mPorter Airlines

Deal found 22/12C$ 410

Mon 2/29:40 a.m.YOW - SAN

1 stop28h 52mMultiple Airlines

Mon 9/22:52 p.m.SAN - YOW

2 stops20h 53mMultiple Airlines

Deal found 22/12C$ 555

Fri 6/36:00 a.m.YOW - LAS

2 stops17h 16mWestJet

Thu 19/38:05 a.m.LAS - YOW

2 stops13h 34mWestJet

Deal found 20/12C$ 419

Mon 2/25:55 p.m.YOW - SNA

1 stop18h 52mAir Canada

Wed 4/29:10 p.m.SNA - YOW

1 stop16h 20mAir Canada

Deal found 20/12C$ 567

Sun 22/26:20 a.m.YOW - LAX

1 stop12h 15mUnited Airlines

Sun 1/310:55 p.m.LAX - YOW

1 stop15h 12mUnited Airlines

Deal found 22/12C$ 460

Last-minute flights from Ottawa to California
Discover last-minute flight deals from Ottawa to California. Data last updated 23 December 2025 and is based on user searches.

Wed 14/17:00 a.m.YOW - LAS

3 stops37h 18mMultiple Airlines

Wed 28/18:00 a.m.LAS - YOW

2 stops13h 42mMultiple Airlines

Deal found 21/12C$ 482

Fri 16/17:15 p.m.YOW - LAS

2 stops29h 16mWestJet

Sun 25/111:25 p.m.LAS - YOW

1 stop22h 17mWestJet

Deal found 22/12C$ 391

Fri 16/15:40 a.m.YOW - LAX

1 stop9h 56mMultiple Airlines

Sun 18/110:45 a.m.LAX - YOW

1 stop10h 55mMultiple Airlines

Deal found 22/12C$ 454

Mon 19/15:45 p.m.YOW - LAX

1 stop31h 18mMultiple Airlines

Mon 26/11:40 p.m.LAX - YOW

1 stop8h 03mMultiple Airlines

Deal found 22/12C$ 476

Wed 21/15:40 a.m.YOW - LAS

2 stops15h 59mWestJet

Sun 25/19:15 p.m.LAS - YOW

2 stops24h 27mWestJet

Deal found 21/12C$ 441

Fri 23/12:15 p.m.YOW - SMF

1 stop9h 35mUnited Airlines

Mon 26/18:30 p.m.SMF - YOW

2 stops17h 42mUnited Airlines

Deal found 21/12C$ 428

Mon 26/15:45 p.m.YOW - LAX

1 stop20h 42mWestJet

Wed 28/17:00 a.m.LAX - YOW

2 stops14h 42mWestJet

Deal found 21/12C$ 463

Mon 26/12:50 p.m.YOW - LAX

1 stop10h 10mAir Canada

Wed 28/16:10 p.m.LAX - YOW

1 stop9h 33mAir Canada

Deal found 22/12C$ 479

Mon 26/12:15 p.m.YOW - LAX

1 stop10h 26mUnited Airlines

Wed 28/18:50 a.m.LAX - YOW

2 stops9h 28mUnited Airlines

Deal found 22/12C$ 482

Wed 28/12:50 p.m.YOW - LAX

1 stop10h 10mAir Canada

Sat 7/26:10 p.m.LAX - YOW

1 stop9h 33mAir Canada

Deal found 21/12C$ 467

Wed 28/12:15 p.m.YOW - LAX

1 stop10h 26mUnited Airlines

Sat 7/25:00 a.m.LAX - YOW

2 stops13h 18mUnited Airlines

Deal found 22/12C$ 471

Sat 31/16:00 a.m.YOW - LAX

1 stop19h 03mWestJet

Sun 15/27:00 a.m.LAX - YOW

1 stop30h 53mWestJet

Deal found 21/12C$ 457

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 23 December 2025.

Tue 20/15:40 a.m.YOW - LAS

2 stops15h 31mWestJet

Deal found 22/12C$ 197

Fri 20/26:40 a.m.YOW - SFO

1 stop9h 05mPorter Airlines

Deal found 22/12C$ 208

Thu 5/26:40 a.m.YOW - LAX

1 stop8h 56mPorter Airlines

Deal found 22/12C$ 218

Thu 5/26:00 a.m.YOW - LAS

2 stops17h 16mWestJet

Deal found 22/12C$ 219

Thu 5/23:05 p.m.YOW - LAS

1 stop9h 57mPorter Airlines

Deal found 22/12C$ 220

Sat 24/16:45 a.m.YOW - LAX

1 stop8h 51mPorter Airlines

Deal found 21/12C$ 220

Wed 4/26:40 a.m.YOW - LAX

1 stop8h 56mPorter Airlines

Deal found 21/12C$ 222

Tue 24/36:45 a.m.YOW - SFO

1 stop9h 00mPorter Airlines

Deal found 23/12C$ 223

Mon 23/25:11 p.m.YOW - LAS

1 stop9h 19mUnited Airlines

Deal found 21/12C$ 224

Tue 20/16:45 a.m.YOW - LAX

1 stop8h 51mPorter Airlines

Deal found 21/12C$ 226

Wed 21/15:45 p.m.YOW - LAX

2 stops20h 15mWestJet

Deal found 21/12C$ 227

Wed 21/16:45 a.m.YOW - SFO

1 stop8h 58mPorter Airlines

Deal found 21/12C$ 230

Find flight deals from Ottawa to California

Round-trip from	C$ 369
One-way from	C$ 197
Popular in	December
Cheapest in	May
Average price	C$ 694

WestJet
30/1-6/2
2 total stops
17h 52m total
Ottawa to California

Search Deals

WestJet
20/1
2 total stops
15h 31m total
Ottawa to California

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (C$ 172 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (C$ 33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 2/3

5:45 p.m.-12:10 p.m.

1 stop21h 25m

San Francisco

Thu 5/3

1:00 p.m.-12:40 a.m.

1 stop8h 40m

C$ 369

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Tue 31/3

10:44 a.m.-9:59 p.m.

1 stop14h 15m

Las Vegas Harry Reid Intl

Sun 5/4

11:45 p.m.-10:03 a.m.

1 stop7h 18m

C$ 384

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 30/1

6:45 a.m.-12:43 p.m.

1 stop8h 58m

San Francisco

Sat 7/2

1:45 p.m.-12:43 a.m.

1 stop7h 58m

C$ 384

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 20/2

2:15 p.m.-9:35 a.m.

2 stops22h 20m

Las Vegas Harry Reid Intl

Mon 23/2

7:42 p.m.-10:26 a.m.

2 stops11h 44m

C$ 384

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Sat 17/1

6:45 a.m.-12:43 p.m.

1 stop8h 58m

San Francisco

Sat 24/1

1:45 p.m.-12:43 a.m.

1 stop7h 58m

C$ 384

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 20/4

6:25 a.m.-9:59 p.m.

1 stop18h 34m

Las Vegas Harry Reid Intl

Wed 22/4

11:59 p.m.-1:59 p.m.

1 stop11h 00m

C$ 385

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 23/2

5:11 p.m.-11:30 p.m.

1 stop9h 19m

Las Vegas Harry Reid Intl

Wed 4/3

11:59 p.m.-10:26 a.m.

1 stop7h 27m

C$ 385

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 16/1

6:45 a.m.-12:43 p.m.

1 stop8h 58m

San Francisco

Mon 26/1

1:45 p.m.-12:43 a.m.

1 stop7h 58m

C$ 388

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Fri 30/1

6:45 a.m.-12:43 p.m.

1 stop8h 58m

San Francisco

Mon 2/2

1:45 p.m.-12:43 a.m.

1 stop7h 58m

C$ 392

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

Mon 2/2

6:40 a.m.-12:45 p.m.

1 stop9h 05m

San Francisco

Sun 8/2

1:45 p.m.-12:43 a.m.

1 stop7h 58m

C$ 394

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/12

Showing 1-10 of 60 results

...

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.

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

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$ 180). Flying from Ottawa to California in November is currently the most expensive (average of C$ 328). 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.

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

One of the essential ways to save on airfare from Ottawa to California is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

What is the cheapest day to fly from Ottawa to California?

Travelers seeking maximum savings on their Ottawa to California flight should consider departing on Sunday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

399 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Porter Airlines

8.0

Very good

399 reviews

Porter Airlines

8.0

Very good

399 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

United Airlines

7.4

Good

9,103 reviews

Porter Airlines

8.0

Very good

399 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

WestJet

7.2

Good

3,210 reviews

Porter Airlines

8.0

Very good

399 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Air Canada

7.1

Good

10,551 reviews

Porter Airlines

8.0

Very good

399 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 58m. Ottawa and California are separated by a distance of 3925 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$ 180. Porter Airlines flights start at C$ 189 while deals on Air Canada start at C$ 199 one-way.
What are the most popular routes from Ottawa to California?
The most popular flight routes from Ottawa to California are Ottawa - Las Vegas Harry Reid Intl, Ottawa - Los Angeles 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$ 180). Flying from Ottawa to California in November is currently the most expensive (average of C$ 328). 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

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Complete your trip

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Direct flights to United States

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Top 4 airlines flying from Ottawa to California

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 213	AverageC$ 540	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 241	AverageC$ 439	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Porter Airlines	CheapestC$ 301	AverageC$ 458	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 326	AverageC$ 641	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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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$ 197

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 20/1. 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 23 December 2025.

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 23 December 2025.

Find flight deals from Ottawa to California

Keep the following information in mind while searching for Ottawa to California flight deals. Data was last updated 23 December 2025.

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

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

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

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

Find hourly flight availability from Ottawa to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2025.

What is the cheapest day to fly from Ottawa to California?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to California. Price data was last updated on 16 December 2024.

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

Find useful and relevant information for your journey from Ottawa to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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Alternative routes for Ottawa to California

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

Top 4 airlines flying from Ottawa to California

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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 23 December 2025.