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Cheap flights from Ottawa to Irvine from C$ 154

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Ottawa to Irvine are usually found in May or June, booked 74 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Ottawa to Irvine

Keep the following information in mind while searching for Ottawa to Irvine flight deals. Data was last updated 11 September 2025.

Round-trip from

C$ 352

One-way from

C$ 154

Popular in

December

Cheapest in

May

Average price

C$ 414
Air Canada
  • Air Canada
  • 19/10-26/10
  • 2 total stops
  • 18h 28m total
  • Ottawa to Irvine
Search Deals
WestJet
  • WestJet
  • 22/9
  • 2 total stops
  • 14h 04m total
  • Ottawa to Irvine
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ottawa to Irvine

Cheapest flights from Ottawa to Irvine
Explore the most affordable flight options available from Ottawa to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sat 13/96:00 a.m.YOW - LAX
1 stop18h 46mWestJet
Sat 20/97:00 a.m.LAX - YOW
1 stop20h 45mWestJet
Deal found 9/9C$ 352
Thu 16/106:00 a.m.YOW - LAX
1 stop18h 46mWestJet
Sat 25/1011:40 a.m.LAX - YOW
2 stops34h 02mWestJet
Deal found 9/9C$ 355
Sun 19/105:55 a.m.YOW - LAX
1 stop19h 16mWestJet
Sun 26/108:40 p.m.LAX - YOW
2 stops25h 02mWestJet
Deal found 9/9C$ 356
Fri 12/97:50 a.m.YOW - LAX
1 stop16h 56mWestJet
Sun 14/99:10 p.m.LAX - YOW
2 stops24h 30mWestJet
Deal found 10/9C$ 358
Tue 7/103:35 p.m.YOW - LAX
1 stop9h 11mWestJet
Fri 24/45:45 p.m.LAX - YOW
1 stop27h 55mWestJet
Deal found 9/9C$ 360
Fri 10/107:15 p.m.YOW - LAX
1 stop29h 31mWestJet
Mon 13/107:00 a.m.LAX - YOW
2 stops38h 22mWestJet
Deal found 8/9C$ 369
Wed 1/107:15 p.m.YOW - LAX
1 stop29h 31mWestJet
Sun 5/107:00 a.m.LAX - YOW
1 stop20h 45mWestJet
Deal found 11/9C$ 373
Sat 18/106:00 a.m.YOW - LAX
1 stop14h 16mWestJet
Sat 8/117:00 a.m.LAX - YOW
1 stop14h 40mWestJet
Deal found 9/9C$ 378
Fri 17/105:55 a.m.YOW - LAX
1 stop19h 16mWestJet
Sat 8/117:00 a.m.LAX - YOW
1 stop14h 40mWestJet
Deal found 9/9C$ 382
Thu 13/116:00 a.m.YOW - LAX
1 stop19h 03mWestJet
Sat 29/1112:15 p.m.LAX - YOW
1 stop9h 25mWestJet
Deal found 9/9C$ 385
Wed 1/107:50 a.m.YOW - LAX
2 stops15h 31mWestJet
Wed 8/107:00 a.m.LAX - YOW
2 stops14h 22mWestJet
Deal found 10/9C$ 391

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Irvine 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 11 September 2025.
Use the filters below to find and compare flights from Ottawa to Irvine that are best for you.

Fly from

Ottawa

Fly to

Irvine

Route

Depart

Return

Price

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 10/10

7:15 p.m.-9:46 p.m.

1 stop29h 31m

Los Angeles

Mon 13/10

7:00 a.m.-12:22 a.m.

2 stops38h 22m

C$ 369

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Wed 1/10

7:15 p.m.-9:46 p.m.

1 stop29h 31m

Los Angeles

Sun 5/10

7:00 a.m.-6:45 a.m.

1 stop20h 45m

C$ 373

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 24/10

6:00 a.m.-5:16 p.m.

1 stop14h 16m

Los Angeles

Sat 1/11

7:00 a.m.-12:40 a.m.

1 stop14h 40m

C$ 378

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 17/10

5:55 a.m.-10:11 p.m.

1 stop19h 16m

Los Angeles

Sat 8/11

7:00 a.m.-12:40 a.m.

1 stop14h 40m

C$ 382

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Wed 1/10

7:50 a.m.-8:21 p.m.

2 stops15h 31m

Los Angeles

Wed 8/10

7:00 a.m.-12:22 a.m.

2 stops14h 22m

C$ 391

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$ 391

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 24/10

5:25 p.m.-7:32 a.m.

2 stops17h 07m

Los Angeles

Mon 27/10

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

1 stop7h 01m

C$ 418

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Tue 14/10

7:29 p.m.-12:45 a.m.

1 stop8h 16m

Los Angeles

Sat 18/10

6:45 p.m.-9:11 a.m.

2 stops11h 26m

C$ 418

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$ 418

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Fri 17/10

7:29 p.m.-12:45 a.m.

1 stop8h 16m

Los Angeles

Fri 7/11

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

1 stop7h 01m

C$ 418

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 21 results
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Best time to book a flight from Ottawa to Irvine

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

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

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Irvine. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Ottawa to Irvine, you should look to book at least 74 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.

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

Currently, May is the cheapest month in which you can book a flight from Ottawa to Irvine (average of C$ 231). Flying from Ottawa to Irvine in March is currently the most expensive (average of C$ 296). 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 IR9?

Find hourly flight availability from Ottawa to Irvine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

When flying from Ottawa to Irvine, 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 Irvine?

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

Travelers seeking maximum savings on their Ottawa to Irvine 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.

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

Reviews of airlines servicing Irvine

Get insights into the airlines that provide service to Irvine. 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 Irvine. Reviews last updated 11 September 2025.
Get a feel of what it's like to fly with Porter Airlines,United Airlines, andWestJet from Ottawa to Irvine by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

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

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

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
8,937 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

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
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

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

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

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 Irvine. 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 Irvine?

    If you book a flight to Irvine from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa. There are 0 flights from Ottawa to Irvine per day from 4 different airlines.

  • How long is the flight from Ottawa to Irvine?

    For as low as C$ 369, WestJet can have you in Irvine from Ottawa in 29h 31m. Airlines will cover a distance of 3819 km.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Ottawa to Irvine (average of C$ 231). Flying from Ottawa to Irvine in March is currently the most expensive (average of C$ 296). 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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Top 4 airlines flying from Ottawa to Irvine

Discover the top 4 airlines that operate flights from Ottawa to Irvine. 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 243AverageC$ 375FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 307AverageC$ 439FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 313AverageC$ 716FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 327AverageC$ 572FlexibilityNo 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 Irvine?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to Irvine. 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 Irvine?

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

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

Yes, Cheapflights offers price alerts on Ottawa to Irvine flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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