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Niagara Falls

$135+ Cheap flights from Irvine, CA to Niagara Falls, ON, Canada

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YYZ
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Niagara Falls are usually found in June or May, booked 75 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap flight deals from Irvine to Niagara Falls

Cheapest flights from Irvine to Niagara Falls
Explore the most affordable flight options available from Irvine to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

This oojo deal was found by Cheapflights users on 12/24. 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.
Thu 12/257:20 pmLAX - YYZ
2 stops19h 08mWestJet
Tue 1/139:40 amYYZ - LAX
2 stops11h 52mWestJet
Deal found 12/24$457
This Mytrip deal was found by Cheapflights users on 12/24. 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.
Tue 12/305:59 pmLAX - YYZ
2 stops14h 44mMultiple Airlines
Wed 1/71:30 pmYYZ - LAX
2 stops21h 52mMultiple Airlines
Deal found 12/24$472
This oojo deal was found by Cheapflights users on 12/24. 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.
Thu 12/257:20 pmLAX - YYZ
2 stops19h 08mWestJet
Mon 1/56:30 pmYYZ - LAX
2 stops27h 02mWestJet
Deal found 12/24$484
This Mytrip deal was found by Cheapflights users on 12/23. 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.
Tue 12/3011:43 pmLAX - YYZ
2 stops17h 20mMultiple Airlines
Tue 1/61:30 pmYYZ - LAX
2 stops20h 48mMultiple Airlines
Deal found 12/23$490
This oojo deal was found by Cheapflights users on 12/25. 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.
Tue 12/307:20 pmLAX - YYZ
1 stop25h 19mWestJet
Tue 1/66:30 amYYZ - LAX
2 stops15h 02mWestJet
Deal found 12/25$491
This oojo deal was found by Cheapflights users on 12/23. 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.
Thu 12/257:20 pmLAX - YYZ
2 stops19h 08mWestJet
Tue 1/68:00 amYYZ - LAX
1 stop13h 32mWestJet
Deal found 12/23$507
This oojo deal was found by Cheapflights users on 12/24. 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.
Sun 12/281:40 pmLAX - YYZ
Nonstop4h 43mPorter Airlines
Sat 2/2810:00 amYYZ - LAX
Nonstop5h 36mPorter Airlines
Deal found 12/24$517

Find flight deals from Irvine to Niagara Falls

Keep the following information in mind while searching for Irvine to Niagara Falls flight deals. Data was last updated December 26, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$230
(FlightHub)

One-way from

$135
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$487
Provider with most accurate pricing for Los Angeles-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Toronto (YTO) flights.
Search Deals
From Irvine to Niagara Falls
Search Deals
One-way flight from Irvine to Niagara Falls
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine to Niagara Falls 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 December 26, 2025.
Use the filters below to find and compare flights from Irvine to Niagara Falls that are best for you.

Fly from

Irvine

Fly to

Niagara Falls

Route

Depart

Return

Price

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Fri 2/13

8:40 pm-1:40 pm

1 stop14h 00m

Toronto Pearson Intl

Sun 2/15

1:30 pm-10:03 pm

1 stop11h 33m

$244

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 2/14

1:40 pm-9:25 pm

Nonstop4h 45m

Toronto Pearson Intl

Tue 2/17

10:00 am-12:36 pm

Nonstop5h 36m

$269

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Wed 1/7

7:45 am-3:30 pm

Nonstop4h 45m

Toronto Pearson Intl

Wed 1/7

5:30 pm-10:57 pm

1 stop8h 27m

$275

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 1/31

1:40 pm-9:22 pm

Nonstop4h 42m

Toronto Pearson Intl

Mon 3/16

10:00 am-12:39 pm

Nonstop5h 39m

$278

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 1/29

1:40 pm-9:22 pm

Nonstop4h 42m

Toronto Pearson Intl

Mon 2/2

10:00 am-12:36 pm

Nonstop5h 36m

$284

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sun 3/15

4:20 pm-12:05 am

Nonstop4h 45m

Toronto Pearson Intl

Fri 3/20

12:45 pm-3:17 pm

Nonstop5h 32m

$284

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 2/14

5:05 am-3:02 pm

1 stop6h 57m

Toronto Pearson Intl

Sat 2/14

5:30 pm-10:59 pm

1 stop8h 29m

$285

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Mon 2/2

11:05 pm-10:40 am

1 stop8h 35m

Toronto Pearson Intl

Tue 2/3

2:15 pm-8:44 pm

1 stop9h 29m

$289

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Mon 1/12

12:15 pm-12:26 am

1 stop9h 11m

Toronto Pearson Intl

Mon 2/2

1:30 pm-10:03 pm

1 stop11h 33m

$294

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Thu 1/29

11:50 am-12:38 am

1 stop9h 48m

Toronto Pearson Intl

Wed 3/18

1:30 pm-10:03 pm

1 stop11h 33m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 19 results
1
2

Best time to book a flight from Irvine to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls 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 Niagara Falls

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

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Niagara Falls. Price data was last updated on December 19, 2025.

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Irvine to Niagara Falls. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Irvine to Niagara Falls?

Currently, June is the cheapest month in which you can book a flight from Irvine to Niagara Falls (average of $74). Flying from Irvine to Niagara Falls in November is currently the most expensive (average of $150). 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 NI4?

Find hourly flight availability from Irvine to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 26, 2025.

It’s typically best to fly out from Irvine to Niagara Falls at noon. Doing so could potentially save you 48% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Irvine to Niagara Falls?

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

Travelers seeking maximum savings on their Irvine to Niagara Falls flight should consider departing on Wednesday mornings 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 Niagara Falls

Explore weekly flight availability from Irvine to Niagara Falls. 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 December 26, 2025.

The most flights from IR9 to NI4 are scheduled on a Wednesday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated December 26, 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta, and United Airlines from Irvine to Niagara Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
401 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
401 reviews
Porter Airlines
8.0
Very good
401 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Delta
7.9
Good
8,014 reviews
Porter Airlines
8.0
Very good
401 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,116 reviews
Porter Airlines
8.0
Very good
401 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,220 reviews
Porter Airlines
8.0
Very good
401 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,562 reviews
Porter Airlines
8.0
Very good
401 reviews

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Irvine to Niagara Falls. 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 Niagara Falls?

    WestJet, United Airlines, and Porter Airlines can get you from Irvine to Niagara Falls in just under 4h 42m. Your travel time can differ by up to 9h 18m. The distance between Irvine and Niagara Falls 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 Niagara Falls one-way?

    One-way options have recently been found by users for as low as $62 on WestJet. Other airlines that offer cheap prices include Porter Airlines from $82 and United Airlines from $84 one-way.

  • What are the most reliable airlines from Irvine to Niagara Falls?

    The top 3 most reliable airlines when flying from Irvine to Niagara Falls are China Airlines (100%), Delta (100%) and Qantas Airways (100%).

  • What are the cheapest flights from Irvine to Niagara Falls?

    On average you can expect to pay $1,710 for a flight from Irvine to Niagara Falls. The cheapest flight overall is $150 while the most popular route, (Los Angeles - Toronto Pearson Intl) is currently priced at $207.

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

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

  • How can I find direct flights from Irvine to Niagara Falls?

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

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

    Yes. Cheapflights offers flight deals from Irvine to Niagara Falls 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 Niagara Falls?

    Currently, June is the cheapest month in which you can book a flight from Irvine to Niagara Falls (average of $74). Flying from Irvine to Niagara Falls in November is currently the most expensive (average of $150). 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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Top 7 airlines flying from Irvine to Niagara Falls

Discover the top 7 airlines that operate flights from Irvine to Niagara Falls. 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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$105Average$455FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$118Average$298FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$122Average$364FlexibilityNo cancel feeOn-time50%
WestJetCheapest$123Average$206FlexibilityNo cancel feeOn-time60%
DeltaCheapest$131Average$397FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$138Average$518FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$256Average$571FlexibilityNo cancel feeOn-time71%

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