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$92+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YTO
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Toronto are usually found in May or September, booked 88 days in advance, depart on a Thursday or Friday 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 August 14, 2025.

Round-trip from

$186
(Kiwi.com)

One-way from

$92
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$307
From Irvine to Toronto (YTO)
Search Deals
One-way flight from Irvine to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. 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 8/182:00 pmLAX - YYZ
Nonstop4h 57mPorter Airlines
Sun 8/2410:40 amYYZ - LAX
Nonstop5h 20mPorter Airlines
Deal found 8/13$184
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 10/1011:10 pmLAX - YYZ
Nonstop4h 50mWestJet
Sun 10/127:45 pmYYZ - LAX
Nonstop5h 26mWestJet
Deal found 8/12$186
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Wed 10/1511:10 pmLAX - YYZ
Nonstop4h 49mWestJet
Tue 10/217:45 pmYYZ - LAX
Nonstop5h 26mWestJet
Deal found 8/13$187
This Trip.com deal was found by Cheapflights users on 8/13. 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 10/1711:10 pmLAX - YYZ
Nonstop4h 49mWestJet
Sun 10/197:45 pmYYZ - LAX
Nonstop5h 26mWestJet
Deal found 8/13$188
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sun 8/172:00 pmLAX - YYZ
Nonstop4h 57mMultiple Airlines
Tue 8/267:45 pmYYZ - LAX
Nonstop5h 25mMultiple Airlines
Deal found 8/12$189
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Tue 10/1411:10 pmLAX - YYZ
Nonstop4h 49mWestJet
Tue 10/217:45 pmYYZ - LAX
Nonstop5h 26mWestJet
Deal found 8/14$190
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Tue 10/1411:10 pmLAX - YYZ
Nonstop4h 49mWestJet
Sun 10/197:45 pmYYZ - LAX
Nonstop5h 26mWestJet
Deal found 8/14$191
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sat 9/62:00 pmLAX - YYZ
Nonstop4h 50mMultiple Airlines
Tue 9/97:45 pmYYZ - LAX
Nonstop5h 26mMultiple Airlines
Deal found 8/12$192
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Wed 10/1511:10 pmLAX - YYZ
Nonstop4h 49mMultiple Airlines
Tue 10/2110:40 amYYZ - LAX
Nonstop5h 20mMultiple Airlines
Deal found 8/13$193
This Trip.com deal was found by Cheapflights users on 8/12. 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.
Mon 9/89:55 pmLAX - YYZ
Nonstop4h 51mMultiple Airlines
Tue 9/167:45 pmYYZ - LAX
Nonstop5h 26mMultiple Airlines
Deal found 8/12$194
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Tue 10/1411:10 pmLAX - YYZ
Nonstop4h 49mMultiple Airlines
Wed 10/1510:40 amYYZ - LAX
Nonstop5h 20mMultiple Airlines
Deal found 8/12$195
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Sat 9/139:55 pmLAX - YYZ
Nonstop4h 51mMultiple Airlines
Sat 9/2010:40 amYYZ - LAX
Nonstop5h 20mMultiple Airlines
Deal found 8/13$196

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 August 14, 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 - YYZ

LAXYYZ

Los Angeles

Fri 10/10

11:10 pm-7:00 am

Nonstop4h 50m

Toronto Pearson Intl

Sun 10/12

7:45 pm-10:11 pm

Nonstop5h 26m

$203

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Tue 9/30

11:10 pm-6:59 am

Nonstop4h 49m

Toronto Pearson Intl

Tue 10/14

7:45 pm-10:11 pm

Nonstop5h 26m

$204

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sun 9/7

7:00 am-12:31 am

2 stops14h 31m

Toronto Pearson Intl

Thu 9/11

10:40 am-1:00 pm

Nonstop5h 20m

$205

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 9/5

2:00 pm-9:50 pm

Nonstop4h 50m

Toronto Pearson Intl

Sat 9/13

8:00 am-5:16 pm

2 stops12h 16m

$205

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Wed 10/15

11:10 pm-6:59 am

Nonstop4h 49m

Toronto Pearson Intl

Sat 10/18

12:00 pm-6:09 pm

1 stop9h 09m

$206

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 9/6

7:00 am-12:31 am

2 stops14h 31m

Toronto Pearson Intl

Mon 9/15

10:40 am-1:00 pm

Nonstop5h 20m

$206

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Wed 9/3

7:00 am-12:31 am

2 stops14h 31m

Toronto Pearson Intl

Mon 9/15

10:40 am-1:00 pm

Nonstop5h 20m

$209

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 10/3

11:10 pm-7:00 am

Nonstop4h 50m

Toronto Pearson Intl

Sun 10/5

7:45 pm-10:11 pm

Nonstop5h 26m

$210

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 9/13

7:00 am-12:31 am

2 stops14h 31m

Toronto Pearson Intl

Sat 9/20

10:40 am-1:00 pm

Nonstop5h 20m

$210

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 10/2

11:40 am-12:22 am

1 stop9h 42m

Toronto Pearson Intl

Wed 10/8

7:45 pm-10:11 pm

Nonstop5h 26m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 August 8, 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, January is the cheapest month in which you can book a flight from Irvine to Toronto (average of $243). Flying from Irvine to Toronto in August is currently the most expensive (average of $348). 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 August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to Toronto as you normally would.

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 Friday afternoons when fares are most often at their lowest. Sunday mornings 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 August 14, 2025.

The most flights from IR9 to YTO are scheduled on a Wednesday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 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 August 14, 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
332 reviews

Overall

8.0

Entertainment

7.0

Crew

8.7

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
332 reviews
Porter Airlines
8.0
Very good
332 reviews

Overall

8.0

Entertainment

7.0

Crew

8.7

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,980 reviews
Porter Airlines
8.0
Very good
332 reviews

Overall

8.0

Entertainment

7.0

Crew

8.7

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,916 reviews
Porter Airlines
8.0
Very good
332 reviews

Overall

8.0

Entertainment

7.0

Crew

8.7

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
3,015 reviews
Porter Airlines
8.0
Very good
332 reviews

Overall

8.0

Entertainment

7.0

Crew

8.7

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,949 reviews
Porter Airlines
8.0
Very good
332 reviews

Overall

8.0

Entertainment

7.0

Crew

8.7

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $92. Porter Airlines flights start at $93 while deals on WestJet start at $94 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 Brussels Airlines (91%), Austrian Airlines (89%) or Porter Airlines (80%) 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 $960 for a flight from Irvine to Toronto. The cheapest flight overall is $88 while the most popular route, (Los Angeles - Toronto Pearson Intl) is currently priced at $186.

  • 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, January is the cheapest month in which you can book a flight from Irvine to Toronto (average of $243). Flying from Irvine to Toronto in August is currently the most expensive (average of $348). 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$117Average$293FlexibilityNo cancel feeOn-time52%
WestJetCheapest$127Average$227FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$131Average$462FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$131Average$407FlexibilityNo cancel feeOn-time69%
DeltaCheapest$131Average$407FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$186Average$363FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$234Average$494FlexibilityNo cancel feeOn-time71%

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