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Cheap flights from Ontario 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAX
8 Apr — 15 Apr1
1 adult

Cheap flight deals from Ontario to Irvine

Keep the following information in mind while searching for Ontario to Irvine flight deals. Data was last updated 3 April 2025.

Round-trip from

C$ 270

One-way from

C$ 154

Popular in

December

Cheapest in

September

Average price

C$ 438
United Airlines
  • United Airlines
  • 1/5-4/5
  • 2 total stops
  • 23h 23m total
  • Ontario to Irvine
Search Deals
WestJet
  • WestJet
  • 1/7
  • 2 total stops
  • 11h 03m total
  • Ontario to Irvine
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Ontario to Irvine

Cheapest flights from Ontario to Irvine
Explore the most affordable flight options available from Ontario to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 April 2025.

Sat 24/57:45 p.m.YYZ - LAX
Nonstop5h 25mWestJet
Mon 26/511:40 a.m.LAX - YYZ
1 stop9h 44mWestJet
Deal found 2/4C$ 270
Wed 23/45:30 p.m.YYZ - LAX
1 stop8h 16mAir Canada
Wed 30/410:55 p.m.LAX - YYZ
1 stop8h 03mAir Canada
Deal found 2/4C$ 272
Sun 4/59:45 a.m.YYZ - LAX
Nonstop5h 25mMultiple Airlines
Wed 7/57:00 a.m.LAX - YYZ
1 stop10h 54mMultiple Airlines
Deal found 2/4C$ 275
Sun 1/66:00 a.m.YKF - LAX
1 stop11h 12mWestJet
Sat 7/611:40 a.m.LAX - YKF
1 stop10h 06mWestJet
Deal found 2/4C$ 278
Wed 11/66:35 p.m.YYZ - LAX
Nonstop5h 24mUnited Airlines
Fri 20/611:25 p.m.LAX - YYZ
1 stop10h 19mUnited Airlines
Deal found 31/3C$ 279
Tue 22/47:15 a.m.YYZ - LAX
1 stop10h 00mAmerican Airlines
Mon 28/411:59 p.m.LAX - YYZ
1 stop9h 41mAmerican Airlines
Deal found 2/4C$ 285
Fri 23/512:25 p.m.YTZ - LAX
1 stop10h 25mAir Canada
Sun 1/610:30 p.m.LAX - YTZ
1 stop10h 17mAir Canada
Deal found 2/4C$ 290
Wed 23/49:45 a.m.YYZ - LAX
Nonstop5h 35mPorter Airlines
Wed 30/41:25 p.m.LAX - YYZ
Nonstop4h 48mPorter Airlines
Deal found 2/4C$ 308
Wed 30/47:50 a.m.YOW - LAX
2 stops15h 33mWestJet
Thu 1/512:35 p.m.LAX - YOW
2 stops13h 50mWestJet
Deal found 2/4C$ 312
Wed 11/66:00 a.m.YHM - LAX
1 stop11h 12mWestJet
Tue 17/611:40 a.m.LAX - YHM
1 stop10h 01mWestJet
Deal found 2/4C$ 312
Sat 26/46:15 a.m.YOW - LAX
1 stop9h 05mMultiple Airlines
Sun 11/57:00 a.m.LAX - YOW
2 stops19h 25mMultiple Airlines
Deal found 2/4C$ 313
Thu 1/55:25 p.m.YOW - LAX
1 stop18h 17mUnited Airlines
Fri 16/59:15 p.m.LAX - YOW
2 stops17h 18mUnited Airlines
Deal found 1/4C$ 315

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario 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 3 April 2025.
Use the filters below to find and compare flights from Ontario to Irvine that are best for you.

Fly from

Ontario

Fly to

Irvine

Route

Depart

Return

Price

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Thu 1/5

7:00 p.m.-12:35 a.m.

1 stop8h 35m

Los Angeles

Sun 4/5

5:00 a.m.-10:48 p.m.

1 stop14h 48m

C$ 270

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sat 30/8

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

Nonstop5h 25m

Los Angeles

Mon 8/9

6:05 p.m.-6:12 a.m.

1 stop9h 07m

C$ 272

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Wed 11/6

6:00 a.m.-2:12 p.m.

1 stop11h 12m

Los Angeles

Tue 17/6

11:40 a.m.-12:46 a.m.

1 stop10h 06m

C$ 276

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Wed 7/5

9:00 a.m.-1:49 p.m.

1 stop7h 49m

Los Angeles

Wed 7/5

4:30 p.m.-6:49 a.m.

1 stop11h 19m

C$ 280

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Tue 22/4

6:30 a.m.-11:00 a.m.

1 stop7h 30m

Los Angeles

Mon 28/4

11:59 p.m.-12:35 p.m.

1 stop9h 36m

C$ 285

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sat 19/4

6:40 p.m.-9:15 p.m.

Nonstop5h 35m

Los Angeles

Wed 23/4

6:35 p.m.-6:43 a.m.

1 stop9h 08m

C$ 289

TorontoLos Angeles

YTZ - LAX

YTZLAX

Toronto Island

Fri 23/5

12:25 p.m.-7:50 p.m.

1 stop10h 25m

Los Angeles

Sun 1/6

10:30 p.m.-11:47 a.m.

1 stop10h 17m

C$ 290

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Thu 24/4

5:30 p.m.-8:05 p.m.

Nonstop5h 35m

Los Angeles

Fri 2/5

1:10 p.m.-9:03 p.m.

Nonstop4h 53m

C$ 292

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Wed 30/4

7:50 a.m.-8:23 p.m.

2 stops15h 33m

Los Angeles

Thu 1/5

12:35 p.m.-5:25 a.m.

2 stops13h 50m

C$ 312

HamiltonLos Angeles

YHM - LAX

YHMLAX

Hamilton

Wed 11/6

6:00 a.m.-2:12 p.m.

1 stop11h 12m

Los Angeles

Tue 17/6

11:40 a.m.-12:41 a.m.

1 stop10h 01m

C$ 312

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Irvine

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

What is the cheapest month to book a flight from Region of Ontario to Irvine?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Irvine (average of C$ 230). Flying from Region of Ontario to Irvine in July is currently the most expensive (average of C$ 314). 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 ON to IR9?

Find hourly flight availability from Ontario 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 3 April 2025.

When flying from Region of Ontario 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.

Weekly flight availability from Region of Ontario to Irvine

Explore weekly flight availability from Ontario to Irvine. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 April 2025.

The most flights from CAON to IR9 are scheduled on a Monday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Irvine by month

Plan your trip to Irvine by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Irvine 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 Irvine when rainfall is around 0.0 mm.

Temperature in Irvine by month

Plan your trip to Irvine by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Irvine, 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).

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 3 April 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Porter Airlines from Ontario to Irvine. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,827 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,827 reviews
Alaska Airlines
8.0
Very good
9,827 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,827 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Porter Airlines
7.9
Good
279 reviews
Alaska Airlines
8.0
Very good
9,827 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Air Transat
7.8
Good
382 reviews
Alaska Airlines
8.0
Very good
9,827 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
SWISS
7.5
Good
1,574 reviews
Alaska Airlines
8.0
Very good
9,827 reviews
Check prices

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

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

  • What are the cheapest airlines to fly from Region of Ontario to Irvine one-way?

    One-way options have recently been found by users for as low as C$ 154 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 172 and United Airlines from C$ 180 one-way.

  • What are the most popular routes from Region of Ontario to Irvine?

    The most popular flight routes from Region of Ontario to Irvine are Toronto Pearson Intl - Los Angeles, Montreal Pierre Elliott Trudeau Intl - Los Angeles and Toronto Island - Los Angeles.

  • What are the most reliable airlines from Region of Ontario to Irvine?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Region of Ontario to Irvine on time: Brussels Airlines (100%), Porter Airlines (71%), Air Transat (71%).

  • What are the cheapest flights from Region of Ontario to Irvine?

    While on average a flight from Region of Ontario to Irvine is generally C$ 1,492, our data shows the cheapest flight currently is C$ 170. When looking at the most popular route, (Toronto Pearson Intl - Los Angeles), you can expect to pay C$ 195 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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 Region of Ontario to Irvine?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Irvine (average of C$ 230). Flying from Region of Ontario to Irvine in July is currently the most expensive (average of C$ 314). 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

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Alternative routes for Ontario to Irvine

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Ontario to Irvine

Discover the top 7 airlines that operate flights from Ontario 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 3 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 206AverageC$ 621FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 230AverageC$ 507FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 236AverageC$ 469FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 239AverageC$ 605FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 256AverageC$ 522FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 303AverageC$ 529FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 314AverageC$ 625FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Ontario to Irvine?

Deals for Ontario to Irvine flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Irvine?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Irvine for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Irvine with no change fees?

Yes, we can. To see specific flights from Ontario to Irvine with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Irvine become cheaper?

Yes! Start tracking prices for Ontario to Irvine 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.

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