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$110+ Cheap flights from Irvine, CA to Toronto (YTO)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YTO
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Toronto are usually found in May or June, booked 88 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from Irvine to Toronto

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

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$246
(Kiwi.com)

One-way from

$110
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$353
Provider with most accurate pricing for Los Angeles-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Toronto (YTO) flights.
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From Irvine to Toronto (YTO)
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One-way flight from Irvine to Toronto (YTO)
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Highest demand for flights based on searches. 15% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Irvine to Toronto

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

This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:40 pmLAX - YYZ
Nonstop4h 43mPorter Airlines
Tue 12/1610:00 amYYZ - LAX
Nonstop5h 36mPorter Airlines
Deal found 11/1$246
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:40 pmLAX - YYZ
Nonstop4h 43mPorter Airlines
Wed 12/1010:00 amYYZ - LAX
Nonstop5h 36mPorter Airlines
Deal found 11/1$247
This Trip.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:40 pmLAX - YYZ
Nonstop4h 43mMultiple Airlines
Wed 12/106:55 pmYYZ - LAX
Nonstop5h 33mMultiple Airlines
Deal found 11/1$248
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:40 pmLAX - YYZ
Nonstop4h 43mPorter Airlines
Sun 12/710:00 amYYZ - LAX
Nonstop5h 36mPorter Airlines
Deal found 11/2$252
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:40 pmLAX - YYZ
Nonstop4h 43mPorter Airlines
Mon 12/810:00 amYYZ - LAX
Nonstop5h 36mPorter Airlines
Deal found 11/1$254
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:40 pmLAX - YYZ
Nonstop4h 43mPorter Airlines
Mon 12/810:00 amYYZ - LAX
Nonstop5h 36mPorter Airlines
Deal found 11/1$258
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:35 amLAX - YYZ
Nonstop4h 40mAir Canada
Wed 12/106:55 pmYYZ - LAX
Nonstop5h 33mAir Canada
Deal found 11/1$260
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:15 pmLAX - YYZ
2 stops14h 43mMultiple Airlines
Sun 12/710:00 amYYZ - LAX
Nonstop5h 36mMultiple Airlines
Deal found 11/1$262
This Air Canada deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:30 amLAX - YTZ
1 stop10h 05mAir Canada
Mon 11/173:30 pmYTZ - LAX
1 stop9h 45mAir Canada
Deal found 11/1$315
This oojo deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:45 pmLAX - YKF
1 stop8h 43mWestJet
Tue 12/166:20 amYKF - LAX
1 stop18h 43mWestJet
Deal found 11/1$321
This Trip.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:50 amLAX - YKF
2 stops14h 38mWestJet
Sat 2/77:00 pmYKF - LAX
1 stop19h 27mWestJet
Deal found 11/1$325
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:59 pmLAX - YTZ
1 stop15h 58mMultiple Airlines
Sun 12/79:15 amYTZ - LAX
1 stop17h 37mMultiple Airlines
Deal found 11/2$332

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine to Toronto 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 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Irvine to Toronto that are best for you.

Fly from

Irvine

Fly to

Toronto

Route

Depart

Return

Price

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Fri 2/20

11:50 am-5:29 am

2 stops14h 39m

Toronto Region of Waterloo Intl

Mon 2/23

6:20 am-10:03 pm

1 stop18h 43m

$286

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Sun 3/1

11:50 am-5:29 am

2 stops14h 39m

Toronto Region of Waterloo Intl

Mon 3/16

6:20 am-4:58 pm

1 stop13h 38m

$295

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Fri 1/23

5:45 pm-5:28 am

1 stop8h 43m

Toronto Region of Waterloo Intl

Mon 1/26

6:20 am-10:03 pm

1 stop18h 43m

$296

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Fri 4/3

5:45 pm-5:29 am

1 stop8h 44m

Toronto Region of Waterloo Intl

Thu 4/9

6:20 am-10:03 pm

1 stop18h 43m

$301

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Fri 2/6

11:50 am-5:29 am

2 stops14h 39m

Toronto Region of Waterloo Intl

Mon 2/9

6:20 am-10:03 pm

1 stop18h 43m

$314

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 2/11

11:50 am-5:29 am

2 stops14h 39m

Toronto Region of Waterloo Intl

Mon 2/16

6:20 am-10:03 pm

1 stop18h 43m

$314

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Wed 3/18

5:45 pm-5:29 am

1 stop8h 44m

Toronto Region of Waterloo Intl

Tue 3/24

6:20 am-11:00 am

2 stops31h 40m

$329

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Thu 12/4

11:59 pm-6:57 pm

1 stop15h 58m

Toronto Island

Sun 12/7

9:15 am-11:52 pm

1 stop17h 37m

$332

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 12/4

6:15 am-5:02 pm

1 stop7h 47m

Toronto Pearson Intl

Wed 12/10

6:10 am-2:30 pm

1 stop11h 20m

$332

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sun 12/14

6:00 am-4:15 pm

1 stop7h 15m

Toronto Pearson Intl

Wed 12/17

6:30 am-11:13 am

1 stop7h 43m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Toronto. Price data was last updated on October 31, 2025.

To ensure you get the cheapest price possible for a flight from Irvine to Toronto, you should look to book at least 88 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 Irvine to Toronto?

Currently, June is the cheapest month in which you can book a flight from Irvine to Toronto (average of $74). Flying from Irvine to Toronto in January is currently the most expensive (average of $141). 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 IR9 to YTO?

Find hourly flight availability from Irvine to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 48% on flights from Irvine to Toronto by exploring options for tickets at noon.

What is the cheapest day to fly from Irvine to Toronto?

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

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

Weekly flight availability from Irvine to Toronto

Explore weekly flight availability from Irvine to Toronto. 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 November 3, 2025.

The most flights from IR9 to YTO 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 (18 on average).

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

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated November 3, 2025.
See what other customers who have flown with Porter Airlines, Delta, and United Airlines from Irvine to Toronto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

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
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

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.
Delta
7.9
Good
8,001 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

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
8,997 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

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
3,153 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

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
10,394 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

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 Irvine to Toronto. 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 Irvine to Toronto?

    Airlines like WestJet, Delta, and United Airlines fly from Irvine to Toronto in about 7h 47m. The time it takes to get you to your destination can typically vary by up to 6h 52m. The distance from Irvine to Toronto is about 2170 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Irvine to Toronto one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $127. Delta flights start at $138 while deals on Porter Airlines start at $150 one-way.

  • What are the most popular routes from Irvine to Toronto?

    While some choose either Los Angeles - Toronto Island or Los Angeles - Hamilton, Los Angeles - Toronto Pearson Intl is the most popular route from Irvine to Toronto.

  • What are the most reliable airlines from Irvine to Toronto?

    Consider Sun Country Air (100%), Brussels Airlines (100%) or Austrian Airlines (98%) when booking your flight. These represent the most reliable airlines when flying from Irvine to Toronto.

  • What are the cheapest flights from Irvine to Toronto?

    On average you can expect to pay $1,409 for a flight from Irvine to Toronto. The cheapest flight overall is $85 while the most popular route, (Los Angeles - Toronto Pearson Intl) is currently priced at $246.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Irvine to Toronto (average of $74). Flying from Irvine to Toronto in January is currently the most expensive (average of $141). 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 Irvine to Toronto

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

Discover the top 7 airlines that operate flights from Irvine to Toronto. 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 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$120Average$309FlexibilityNo cancel feeOn-time52%
WestJetCheapest$125Average$211FlexibilityNo cancel feeOn-time60%
DeltaCheapest$131Average$403FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$137Average$473FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$151Average$363FlexibilityNo cancel feeOn-time50%
United AirlinesCheapest$159Average$419FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$235Average$564FlexibilityNo cancel feeOn-time71%

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