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Cheap flights from Ontario to Irvine from C$ 151

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LAX
5 May — 12 May1
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 30 April 2025.

Round-trip from

C$ 220

One-way from

C$ 151

Popular in

December

Cheapest in

September

Average price

C$ 393
WestJet
  • WestJet
  • 2/7-30/7
  • 3 total stops
  • 22h 19m total
  • Ontario to Irvine
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WestJet
  • WestJet
  • 30/6
  • 2 total stops
  • 12h 27m total
  • Ontario to Irvine
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 30 April 2025.

Tue 12/88:00 a.m.YYZ - LAX
1 stop9h 12mWestJet
Thu 14/812:35 p.m.LAX - YYZ
1 stop9h 09mWestJet
Deal found 29/4C$ 224
Sat 24/59:45 a.m.YYZ - LAX
Nonstop5h 25mMultiple Airlines
Sat 31/53:00 p.m.LAX - YYZ
2 stops11h 51mMultiple Airlines
Deal found 29/4C$ 266
Sat 24/58:30 a.m.YYZ - LAX
Nonstop5h 11mUnited Airlines
Sun 25/53:40 p.m.LAX - YYZ
Nonstop4h 51mUnited Airlines
Deal found 29/4C$ 281
Thu 22/56:00 a.m.YKF - LAX
1 stop11h 12mWestJet
Thu 29/511:40 a.m.LAX - YKF
1 stop10h 06mWestJet
Deal found 28/4C$ 281
Sat 30/86:10 a.m.YOW - LAX
2 stops11h 02mWestJet
Tue 2/93:00 p.m.LAX - YOW
2 stops11h 23mWestJet
Deal found 29/4C$ 287
Fri 13/66:45 a.m.YUL - LAX
1 stop9h 20mPorter Airlines
Fri 20/62:00 p.m.LAX - YUL
1 stop7h 37mPorter Airlines
Deal found 29/4C$ 300
Mon 21/76:45 a.m.YUL - LAX
1 stop9h 15mMultiple Airlines
Sun 27/712:35 p.m.LAX - YUL
1 stop15h 33mMultiple Airlines
Deal found 28/4C$ 303
Tue 15/77:00 a.m.YUL - LAX
1 stop10h 12mWestJet
Tue 22/77:00 a.m.LAX - YUL
2 stops14h 37mWestJet
Deal found 28/4C$ 306
Thu 29/53:45 p.m.YYZ - LAX
1 stop10h 30mAmerican Airlines
Wed 4/612:30 a.m.LAX - YYZ
1 stop11h 00mAmerican Airlines
Deal found 29/4C$ 316
Sat 14/66:00 a.m.YHM - LAX
1 stop11h 12mWestJet
Tue 24/611:40 a.m.LAX - YHM
1 stop10h 01mWestJet
Deal found 28/4C$ 328
Sat 24/59:45 a.m.YYZ - LAX
Nonstop5h 25mPorter Airlines
Fri 30/51:10 p.m.LAX - YYZ
Nonstop4h 53mPorter Airlines
Deal found 29/4C$ 332
Mon 21/77:00 a.m.YOW - LAX
1 stop9h 00mMultiple Airlines
Mon 28/712:35 p.m.LAX - YOW
1 stop9h 13mMultiple Airlines
Deal found 29/4C$ 336

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 30 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

Tue 12/8

8:00 a.m.-2:12 p.m.

1 stop9h 12m

Los Angeles

Thu 14/8

12:35 p.m.-12:44 a.m.

1 stop9h 09m

C$ 224

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sat 24/5

9:45 a.m.-12:10 p.m.

Nonstop5h 25m

Los Angeles

Sat 31/5

3:00 p.m.-5:51 a.m.

2 stops11h 51m

C$ 266

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Sat 24/5

8:30 a.m.-10:41 a.m.

Nonstop5h 11m

Los Angeles

Sun 25/5

3:40 p.m.-11:31 p.m.

Nonstop4h 51m

C$ 281

TorontoLos Angeles

YKF - LAX

YKFLAX

Toronto Region of Waterloo Intl

Thu 22/5

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

1 stop11h 12m

Los Angeles

Thu 29/5

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

1 stop10h 06m

C$ 281

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sat 30/8

6:10 a.m.-2:12 p.m.

2 stops11h 02m

Los Angeles

Tue 2/9

3:00 p.m.-5:23 a.m.

2 stops11h 23m

C$ 287

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Fri 13/6

6:45 a.m.-1:05 p.m.

1 stop9h 20m

Los Angeles

Fri 20/6

2:00 p.m.-12:37 a.m.

1 stop7h 37m

C$ 300

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Mon 21/7

6:45 a.m.-1:00 p.m.

1 stop9h 15m

Los Angeles

Sun 27/7

12:35 p.m.-7:08 a.m.

1 stop15h 33m

C$ 303

MontrealLos Angeles

YUL - LAX

YULLAX

Montreal Pierre Elliott Trudeau Intl

Tue 15/7

7:00 a.m.-2:12 p.m.

1 stop10h 12m

Los Angeles

Tue 22/7

7:00 a.m.-12:37 a.m.

2 stops14h 37m

C$ 306

TorontoLos Angeles

YYZ - LAX

YYZLAX

Toronto Pearson Intl

Thu 29/5

3:45 p.m.-11:15 p.m.

1 stop10h 30m

Los Angeles

Wed 4/6

12:30 a.m.-2:30 p.m.

1 stop11h 00m

C$ 316

HamiltonLos Angeles

YHM - LAX

YHMLAX

Hamilton

Sat 14/6

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

1 stop11h 12m

Los Angeles

Tue 24/6

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

1 stop10h 01m

C$ 328

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

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$ 224). Flying from Region of Ontario to Irvine in July is currently the most expensive (average of C$ 310). 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 30 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.

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 30 April 2025.
Read reviews from past customers who have flown Alaska Airlines, Porter Airlines and Delta 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
9,968 reviews
Check prices

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
285 reviews
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air Transat
7.8
Good
385 reviews
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
SWISS
7.5
Good
1,588 reviews
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Food

7.1

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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$ 151 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 154 and Air Canada from C$ 174 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 (79%), Air Transat (79%), Brussels Airlines (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$ 1,312, our data shows the cheapest flight currently is C$ 136. When looking at the most popular route, (Toronto Pearson Intl - Los Angeles), you can expect to pay C$ 213 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$ 224). Flying from Region of Ontario to Irvine in July is currently the most expensive (average of C$ 310). 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 205AverageC$ 565FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 206AverageC$ 457FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 228AverageC$ 445FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 249AverageC$ 460FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 286AverageC$ 582FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 294AverageC$ 512FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 304AverageC$ 596FlexibilityNo 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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