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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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAX
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

C$ 228

One-way from

C$ 154

Popular in

December

Cheapest in

May

Average price

C$ 345
WestJet
  • WestJet
  • 5/10-10/10
  • 3 total stops
  • 22h 15m total
  • Ontario to Irvine
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WestJet
  • WestJet
  • 17/10
  • 2 total stops
  • 14h 21m total
  • Ontario to Irvine
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 17 September 2025.

Sun 5/108:15 a.m.YYZ - LAX
1 stop15h 06mWestJet
Sun 12/107:00 a.m.LAX - YYZ
1 stop8h 52mWestJet
Deal found 16/9C$ 228
Wed 8/1012:00 p.m.YYZ - LAX
2 stops11h 21mWestJet
Wed 15/106:05 p.m.LAX - YYZ
1 stop9h 07mWestJet
Deal found 16/9C$ 230
Sun 5/109:00 a.m.YYZ - LAX
2 stops12h 09mWestJet
Wed 15/106:05 p.m.LAX - YYZ
1 stop9h 07mWestJet
Deal found 16/9C$ 231
Wed 8/1012:00 p.m.YYZ - LAX
2 stops11h 21mWestJet
Fri 17/1011:10 p.m.LAX - YYZ
Nonstop4h 49mWestJet
Deal found 15/9C$ 232
Wed 5/1110:00 a.m.YYZ - LAX
Nonstop5h 39mPorter Airlines
Wed 12/111:40 p.m.LAX - YYZ
Nonstop4h 42mPorter Airlines
Deal found 15/9C$ 234
Fri 24/1010:00 a.m.YYZ - LAX
1 stop10h 16mWestJet
Thu 30/1012:15 p.m.LAX - YYZ
1 stop9h 11mWestJet
Deal found 15/9C$ 235
Mon 3/118:00 a.m.YYZ - LAX
2 stops11h 58mWestJet
Thu 13/115:45 p.m.LAX - YYZ
1 stop9h 28mWestJet
Deal found 15/9C$ 237
Sun 5/109:00 a.m.YYZ - LAX
2 stops12h 09mWestJet
Fri 10/1011:10 p.m.LAX - YYZ
Nonstop4h 50mWestJet
Deal found 16/9C$ 239
Tue 25/111:30 p.m.YYZ - LAX
1 stop11h 33mWestJet
Tue 2/1212:15 p.m.LAX - YYZ
1 stop9h 11mWestJet
Deal found 16/9C$ 241
Tue 30/97:45 p.m.YYZ - LAX
Nonstop5h 26mWestJet
Sat 4/107:00 a.m.LAX - YYZ
1 stop20h 52mWestJet
Deal found 14/9C$ 242
Mon 20/1010:30 p.m.YYZ - LAX
2 stops21h 46mWestJet
Fri 24/1011:40 a.m.LAX - YYZ
1 stop9h 42mWestJet
Deal found 16/9C$ 243
Fri 3/108:25 p.m.YTZ - LAX
1 stop17h 40mAir Canada
Fri 10/1010:30 p.m.LAX - YTZ
1 stop8h 15mAir Canada
Deal found 15/9C$ 272

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 17 September 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

Sat 4/10

12:00 p.m.-6:09 p.m.

1 stop9h 09m

Los Angeles

Tue 7/10

12:35 p.m.-6:52 a.m.

2 stops15h 17m

C$ 278

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sun 12/10

9:00 a.m.-8:21 p.m.

2 stops14h 21m

Los Angeles

Fri 17/10

7:00 a.m.-8:52 p.m.

1 stop10h 52m

C$ 278

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Thu 16/10

2:00 p.m.-8:21 p.m.

1 stop9h 21m

Los Angeles

Fri 17/10

12:35 p.m.-6:12 a.m.

2 stops14h 37m

C$ 278

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sun 12/10

3:00 p.m.-9:46 p.m.

1 stop9h 46m

Los Angeles

Mon 20/10

12:35 p.m.-6:52 a.m.

2 stops15h 17m

C$ 278

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Fri 3/10

9:00 a.m.-7:08 p.m.

1 stop13h 08m

Los Angeles

Fri 3/10

10:55 p.m.-9:58 a.m.

1 stop8h 03m

C$ 283

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Tue 21/10

9:00 a.m.-7:08 p.m.

1 stop13h 08m

Los Angeles

Tue 21/10

11:05 p.m.-10:04 a.m.

1 stop7h 59m

C$ 283

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Wed 1/10

7:47 p.m.-12:45 a.m.

1 stop7h 58m

Los Angeles

Mon 6/10

11:05 p.m.-10:04 a.m.

1 stop7h 59m

C$ 292

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

6:15 a.m.-3:00 p.m.

2 stops11h 45m

Los Angeles

Wed 15/10

9:30 p.m.-8:16 a.m.

1 stop7h 46m

C$ 300

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Sat 25/10

6:00 a.m.-6:09 p.m.

2 stops15h 09m

Los Angeles

Wed 29/10

5:45 p.m.-5:28 a.m.

1 stop8h 43m

C$ 300

TorontoLos Angeles

YTZ - LAX

YTZLAX

Toronto Island

Fri 3/10

8:25 p.m.-11:05 a.m.

1 stop17h 40m

Los Angeles

Fri 10/10

10:30 p.m.-9:45 a.m.

1 stop8h 15m

C$ 314

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

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, May is the cheapest month in which you can book a flight from Region of Ontario to Irvine (average of C$ 231). Flying from Region of Ontario to Irvine 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 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 17 September 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 17 September 2025.

The most flights from CAON to IR9 are scheduled on a Monday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (14 on average).

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.

  • How long is the flight from Region of Ontario to Irvine?

    Airlines like WestJet, United Airlines, and Air Canada fly from Region of Ontario to Irvine in about 9h 09m. The time it takes to get you to your destination can typically vary by up to 8h 31m. Region of Ontario and Irvine are separated by a distance of 3492 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 160 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 171 and United Airlines from C$ 191 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: Porter Airlines (85%), Air Transat (85%), American Airlines (80%).

  • 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$ 1,737, our data shows the cheapest flight currently is C$ 157. When looking at the most popular route, (Toronto Pearson Intl - Los Angeles), you can expect to pay C$ 205 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, May is the cheapest month in which you can book a flight from Region of Ontario to Irvine (average of C$ 231). Flying from Region of Ontario to Irvine 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

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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 8 airlines flying from Ontario to Irvine

Discover the top 8 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 132AverageC$ 532FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 197AverageC$ 462FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 233AverageC$ 442FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 260AverageC$ 433FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 285AverageC$ 573FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 293AverageC$ 509FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 297AverageC$ 540FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
APG AirlinesCheapestC$ 607AverageC$ 609FlexibilityNo cancel feeOn-timeN/A
Search APG 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 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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