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Cheap flights from Niagara Falls to Key Largo from C$ 220
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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MIA
25 Aug — 1 Sep1
Round-trip
1 adult
Economy
Cheapflights Tip: The best prices from Niagara Falls to Key Largo are usually found in June or September, booked 29 days in advance, depart on a Monday or Wednesday and return on a Tuesday
Cheap flight deals from Niagara Falls to Key Largo
Keep the following information in mind while searching for Niagara Falls to Key Largo flight deals. Data was last updated 20 August 2025.
Find flight deals from Niagara Falls to Key Largo
Cheapest flights from Niagara Falls to Key LargoExplore the most affordable flight options available from Niagara Falls to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2025.
Explore the most affordable flight options available from Niagara Falls to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2025.
Wed 22/105:30 p.m.YYZ - MIA
Nonstop3h 18mAir Canada
Tue 28/109:05 p.m.MIA - YYZ
Nonstop3h 21mAir Canada
Deal found 19/8C$ 317
Thu 2/107:00 a.m.YYZ - MIA
1 stop6h 20mAir Canada
Thu 9/109:45 p.m.MIA - YYZ
Nonstop3h 16mAir Canada
Deal found 18/8C$ 326
Sat 13/96:20 p.m.YYZ - MIA
Nonstop3h 14mAir Canada
Thu 18/911:50 a.m.MIA - YYZ
Nonstop3h 16mAir Canada
Deal found 20/8C$ 349
Mon 3/119:40 a.m.YYZ - MIA
Nonstop3h 29mPorter Airlines
Fri 7/112:10 p.m.MIA - YYZ
Nonstop3h 20mPorter Airlines
Deal found 20/8C$ 360
Mon 3/1112:05 p.m.YYZ - MIA
Nonstop3h 26mAir Canada
Sat 8/119:05 p.m.MIA - YYZ
Nonstop3h 21mAir Canada
Deal found 20/8C$ 361
Cheapflights Fare Finder
Customize your flight search to find flights from Niagara Falls to Key Largo 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 20 August 2025.
Use the filters below to find and compare flights from Niagara Falls to Key Largo that are best for you.
Fly from
Niagara Falls
Fly to
Key Largo
Route
Depart
Return
Price
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Mon 9/2
7:30 a.m.-1:46 p.m.
1 stop6h 16m
Miami
Fri 13/2
5:20 p.m.-11:29 p.m.
1 stop6h 09m
C$ 411
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Mon 3/11
7:30 a.m.-2:37 p.m.
1 stop7h 07m
Miami
Mon 3/11
4:42 p.m.-11:20 p.m.
1 stop6h 38m
C$ 425
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Thu 6/11
12:45 p.m.-11:56 p.m.
1 stop11h 11m
Miami
Tue 18/11
8:00 a.m.-4:40 p.m.
1 stop8h 40m
C$ 432
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Fri 21/11
10:45 a.m.-7:08 p.m.
1 stop8h 23m
Miami
Wed 26/11
9:05 p.m.-12:26 a.m.
Nonstop3h 21m
C$ 432
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Sat 6/12
10:45 a.m.-4:42 p.m.
1 stop5h 57m
Miami
Tue 16/12
12:23 p.m.-11:59 p.m.
1 stop11h 36m
C$ 432
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Sat 15/11
8:55 a.m.-6:17 p.m.
1 stop9h 22m
Miami
Fri 21/11
9:05 p.m.-12:26 a.m.
Nonstop3h 21m
C$ 432
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Sat 22/11
7:30 a.m.-2:37 p.m.
1 stop7h 07m
Miami
Sat 29/11
6:30 a.m.-2:20 p.m.
1 stop7h 50m
C$ 432
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Fri 21/11
10:45 a.m.-7:08 p.m.
1 stop8h 23m
Miami
Wed 26/11
7:45 a.m.-1:43 p.m.
1 stop5h 58m
C$ 432
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Sat 3/1
2:57 p.m.-10:37 p.m.
1 stop7h 40m
Miami
Tue 13/1
9:00 a.m.-2:11 p.m.
1 stop5h 11m
C$ 444
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Sat 27/12
7:40 p.m.-1:08 a.m.
1 stop5h 28m
Miami
Wed 7/1
12:15 p.m.-7:36 p.m.
1 stop7h 21m
C$ 444
Showing 1-10 of 21 results
Best time to book a flight from Niagara Falls to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Niagara Falls 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 Niagara Falls to Key Largo
How far ahead should I book a flight from Niagara Falls to Key Largo?
Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to Key Largo. Price data was last updated on 8 August 2025.
Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Niagara Falls to Key Largo. 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 Niagara Falls to Key Largo?
Currently, April is the cheapest month in which you can book a flight from Niagara Falls to Key Largo (average of C$ 251). Flying from Niagara Falls to Key Largo in August is currently the most expensive (average of C$ 369). 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 NI4 to KE9?
Find hourly flight availability from Niagara Falls to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 August 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Niagara Falls to Key Largo as you normally would.
What is the cheapest day to fly from Niagara Falls to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Niagara Falls to Key Largo. Price data was last updated on 16 December 2024.
Travelers seeking maximum savings on their Niagara Falls to Key Largo flight should consider departing on Monday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Niagara Falls to Key Largo
Explore weekly flight availability from Niagara Falls to Key Largo. 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 20 August 2025.
The most flights from NI4 to KE9 are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).
Reviews of airlines servicing Key Largo
Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated 20 August 2025.
Read reviews from past customers who have flown Porter Airlines,American Airlines, andWestJet from Niagara Falls to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Crew
8.7
Entertainment
7.0
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Boarding
8.2
Crew
8.7
Entertainment
7.0
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Boarding
8.2
Crew
8.7
Entertainment
7.0
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Boarding
8.2
Crew
8.7
Entertainment
7.0
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Boarding
8.2
Crew
8.7
Entertainment
7.0
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Boarding
8.2
Crew
8.7
Entertainment
7.0
Food
7.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Related info for your journey
Find useful and relevant information for your journey from Niagara Falls to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Niagara Falls to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Niagara Falls to Key Largo
Discover the top 10 airlines that operate flights from Niagara Falls to Key Largo. 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 20 August 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Niagara Falls to Key Largo?
Deals for Niagara Falls to Key Largo 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 Niagara Falls to Key Largo?
Millions of users choose and trust Cheapflights to book the best flight deals from Niagara Falls to Key Largo 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 Niagara Falls to Key Largo with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Niagara Falls to Key Largo flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Niagara Falls to Key Largo become cheaper?
Yes! Start tracking prices for Niagara Falls to Key Largo 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.