Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to Pasadena from C$ 155

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Ottawa to Pasadena are usually found in May or August, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Ottawa to Pasadena

Keep the following information in mind while searching for Ottawa to Pasadena flight deals. Data was last updated 16 September 2025.

Round-trip from

C$ 348

One-way from

C$ 155

Popular in

December

Cheapest in

May

Average price

C$ 445
WestJet
  • WestJet
  • 17/10-8/11
  • 3 total stops
  • 29h 01m total
  • Ottawa to Pasadena
Search Deals
WestJet
  • WestJet
  • 17/10
  • 2 total stops
  • 14h 21m total
  • Ottawa to Pasadena
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ottawa to Pasadena

Cheapest flights from Ottawa to Pasadena
Explore the most affordable flight options available from Ottawa to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Fri 17/105:55 a.m.YOW - LAX
2 stops14h 21mWestJet
Sat 8/117:00 a.m.LAX - YOW
1 stop14h 40mWestJet
Deal found 14/9C$ 348
Sun 19/105:55 a.m.YOW - LAX
2 stops14h 21mWestJet
Sun 26/105:45 p.m.LAX - YOW
2 stops27h 57mWestJet
Deal found 14/9C$ 351
Thu 30/105:40 a.m.YOW - LAX
2 stops17h 10mWestJet
Thu 6/1111:50 a.m.LAX - YOW
2 stops33h 52mWestJet
Deal found 15/9C$ 355
Wed 19/115:40 a.m.YOW - LAX
2 stops14h 18mWestJet
Tue 25/117:00 a.m.LAX - YOW
1 stop30h 53mWestJet
Deal found 15/9C$ 358
Mon 13/105:55 a.m.YOW - LAX
2 stops18h 51mWestJet
Tue 14/1012:35 p.m.LAX - YOW
2 stops24h 44mWestJet
Deal found 15/9C$ 361
Fri 17/102:45 p.m.YOW - LAX
1 stop13h 00mUnited Airlines
Fri 7/1112:25 a.m.LAX - YOW
1 stop7h 01mUnited Airlines
Deal found 15/9C$ 363
Sat 11/107:15 p.m.YOW - LAX
2 stops42h 21mWestJet
Fri 17/107:00 a.m.LAX - YOW
2 stops14h 22mWestJet
Deal found 15/9C$ 373
Mon 3/115:40 a.m.YOW - LAX
2 stops19h 23mWestJet
Fri 14/118:40 p.m.LAX - YOW
2 stops25h 02mWestJet
Deal found 15/9C$ 381
Mon 3/115:40 a.m.YOW - LAX
2 stops19h 23mMultiple Airlines
Fri 14/111:40 p.m.LAX - YOW
1 stop8h 02mMultiple Airlines
Deal found 15/9C$ 385
Fri 10/105:55 a.m.YOW - LAX
2 stops39h 14mWestJet
Sun 12/107:00 a.m.LAX - YOW
1 stop8h 20mWestJet
Deal found 15/9C$ 387

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Pasadena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Ottawa to Pasadena that are best for you.

Fly from

Ottawa

Fly to

Pasadena

Route

Depart

Return

Price

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sun 19/10

5:55 a.m.-5:16 p.m.

2 stops14h 21m

Los Angeles

Sun 26/10

5:45 p.m.-12:42 a.m.

2 stops27h 57m

C$ 351

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 17/10

5:55 a.m.-5:16 p.m.

2 stops14h 21m

Los Angeles

Sat 8/11

11:50 a.m.-4:53 p.m.

2 stops26h 03m

C$ 354

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 24/10

5:25 p.m.-11:59 p.m.

1 stop9h 34m

Los Angeles

Sat 1/11

6:00 a.m.-5:12 p.m.

1 stop8h 12m

C$ 363

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 17/10

6:33 a.m.-9:01 p.m.

1 stop17h 28m

Los Angeles

Sat 8/11

11:20 p.m.-10:26 a.m.

1 stop8h 06m

C$ 363

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sat 18/10

5:25 p.m.-10:40 p.m.

1 stop8h 15m

Los Angeles

Fri 7/11

12:25 a.m.-10:26 a.m.

1 stop7h 01m

C$ 363

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 30/1

5:40 a.m.-7:50 p.m.

2 stops17h 10m

Los Angeles

Sun 8/2

12:15 p.m.-12:40 a.m.

1 stop9h 25m

C$ 367

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Mon 3/11

5:40 a.m.-10:03 p.m.

2 stops19h 23m

Los Angeles

Fri 14/11

8:40 p.m.-12:42 a.m.

2 stops25h 02m

C$ 381

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 17/10

5:55 a.m.-5:16 p.m.

2 stops14h 21m

C$ 170

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sun 12/10

2:40 p.m.-9:35 p.m.

1 stop9h 55m

C$ 171

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Thu 16/10

5:15 a.m.-12:33 p.m.

1 stop10h 18m

C$ 180

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 17 results
1
2

Best time to book a flight from Ottawa to Pasadena

Have a flexible travel schedule? Discover the best time to fly to Pasadena 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 Pasadena

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Pasadena. Price data was last updated on 12 September 2025.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Pasadena. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from Ottawa to Pasadena (average of C$ 231). Flying from Ottawa to Pasadena in March is currently the most expensive (average of C$ 295). 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 P4S?

Find hourly flight availability from Ottawa to Pasadena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

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

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

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

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

Reviews of airlines servicing Pasadena

Get insights into the airlines that provide service to Pasadena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pasadena. Reviews last updated 16 September 2025.
Read reviews from past customers who have flown Porter Airlines,United Airlines, andWestJet from Ottawa to Pasadena. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,924 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,093 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Pasadena. 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 Pasadena?

    Located just 10.6 km from the city centre, Ottawa is the airport most travellers will use when flying to Pasadena from Ottawa. Booking flights from Ottawa (YOW) to Pasadena should be relatively easy as there are 0 daily outbound flights to Pasadena from 4 different airlines.

  • How long is the flight from Ottawa to Pasadena?

    Airlines like WestJet and United Airlines fly from Ottawa to Pasadena in about 9h 34m. The time it takes to get you to your destination can typically vary by up to 4h 47m. The distance from Ottawa to Pasadena is about 3819 km. This flight may include one or multiple stops.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 170. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Ottawa to Pasadena for a low price.

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

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

  • How can I find direct flights from Ottawa to Pasadena?

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

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

    Yes. Cheapflights offers flight deals from Ottawa to Pasadena 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 Pasadena?

    Currently, May is the cheapest month in which you can book a flight from Ottawa to Pasadena (average of C$ 231). Flying from Ottawa to Pasadena in March is currently the most expensive (average of C$ 295). 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

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

Alternative routes for Ottawa to Pasadena

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to San Diego flights
Pierre Elliott Trudeau Intl to San Francisco flights
Toronto Island to Las Vegas flights
Pearson Intl to Ontario flights
Pearson Intl to Santa Ana flights
Toronto Island to Los Angeles flights
Hamilton to Las Vegas flights
Pierre Elliott Trudeau Intl to San Diego flights
Toronto Island to San Francisco flights
Pearson Intl to Palm Springs flights
Region of Waterloo Intl to Las Vegas flights
Hamilton to San Francisco flights
Hamilton to Los Angeles flights
Pearson Intl to San Jose flights
Ottawa to Las Vegas flights
Region of Waterloo Intl to Los Angeles flights
Pearson Intl to Sacramento flights
Region of Waterloo Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Ontario flights
Ottawa to Los Angeles flights
Toronto Island to San Diego flights
Ottawa to San Francisco flights
Pearson Intl to Fresno flights
Hamilton to Santa Ana flights
Pierre Elliott Trudeau Intl to Santa Ana flights
Pearson Intl to Burbank flights
Pearson Intl to Oakland flights
Hamilton to San Diego flights
Pierre Elliott Trudeau Intl to Sacramento flights
Pierre Elliott Trudeau Intl to Burbank flights
London to Las Vegas flights
Ottawa to Ontario flights
Region of Waterloo Intl to San Diego flights
London to Los Angeles flights
Pierre Elliott Trudeau Intl to Palm Springs flights
Ottawa to San Diego flights
Pierre Elliott Trudeau Intl to Reno flights
Region of Waterloo Intl to San Jose flights
Pierre Elliott Trudeau Intl to San Jose flights
Hamilton to Palm Springs flights
Ottawa to Palm Springs flights
Ottawa to Sacramento flights
Hamilton to San Jose flights
Pearson Intl to Reno flights
Pearson Intl to Long Beach flights

Top 4 airlines flying from Ottawa to Pasadena

Discover the top 4 airlines that operate flights from Ottawa to Pasadena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 242AverageC$ 372FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 306AverageC$ 438FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 312AverageC$ 630FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 326AverageC$ 571FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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 Pasadena?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to Pasadena. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Ottawa to Pasadena 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 Pasadena with no change fees?

Certainly. Search results for flights to Pasadena 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 Pasadena become cheaper?

Yes! Start tracking prices for Ottawa to Pasadena flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.