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Cheap flights from Ontario to Irvine

YYZ — LAX
7 Nov — 14 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Irvine

Popular in

August

Cheapest in

January

Average price

C$ 570
Highest demand for flights based on searches. 8% potential increase in price (C$ 74 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

Everything you need to know about your flight from Ontario to Irvine

What is the cheapest time of day to fly from ON to IR9?

A simple way to save on the total cost of your ticket is to fly from Region of Ontario to Irvine in the morning. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Region of Ontario to Irvine?

Travelers seeking maximum savings on their Region of Ontario to Irvine flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

  • 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$ 152 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 181 and Air Transat from C$ 202 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 Montreal Pierre Elliott Trudeau Intl - Los Angeles, Toronto Pearson 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 (82%), Air Transat (82%), Brussels 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$ 2,038, our data shows the cheapest flight currently is C$ 263. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Los Angeles), you can expect to pay C$ 572 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.

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Alternative routes for Ontario to Irvine

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Top 8 airlines flying from Ontario to Irvine

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 234AverageC$ 510FlexibilityNo cancel feeOn-time60%
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Air CanadaCheapestC$ 239AverageC$ 730FlexibilityNo cancel feeOn-time67%
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DeltaCheapestC$ 263AverageC$ 489FlexibilityNo cancel feeOn-timeN/A
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Porter AirlinesCheapestC$ 309AverageC$ 618FlexibilityNo cancel feeOn-time52%
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American AirlinesCheapestC$ 312AverageC$ 633FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapestC$ 322AverageC$ 738FlexibilityNo cancel feeOn-time69%
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Air TransatCheapestC$ 322AverageC$ 634FlexibilityNo cancel feeOn-time50%
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JazzCheapestC$ 984AverageC$ 1,021FlexibilityNo cancel feeOn-timeN/A
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Fly with Cheapflights

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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