Cheap flights from Niagara Falls to Key Largo from C$ 252
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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MIA
9 Sep — 16 Sep1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Key Largo are usually found in April or January, booked 33 days in advance, depart on a Monday or Sunday and return on a Saturday
Cheap flight deals from Niagara Falls to Key Largo
Enter your travel dates to find the best prices.
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Last-minute
One-way
Cheapest flights from Niagara Falls to Key Largo
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 10 August 2026.
Mon 24/85:30 p.m. -
Nonstop3h 18m
Thu 27/89:45 p.m. -
Nonstop3h 14m
Deal found 7/8C$ 330
Sun 11/109:40 a.m. -
Nonstop3h 29m
Fri 16/102:10 p.m. -
Nonstop3h 20m
Deal found 6/8C$ 334
Sun 25/108:55 p.m. -
Nonstop3h 29m
Sat 31/108:55 p.m. -
Nonstop3h 24m
Deal found 6/8C$ 351
Wed 2/98:55 a.m. -
Nonstop3h 18m
Wed 9/91:15 p.m. -
Nonstop3h 09m
Deal found 6/8C$ 367
Mon 7/98:55 a.m. -
Nonstop3h 18m
Fri 11/91:15 p.m. -
Nonstop3h 09m
Deal found 7/8C$ 368
Sat 12/98:55 a.m. -
Nonstop3h 19m
Fri 18/91:10 p.m. -
Nonstop3h 09m
Deal found 7/8C$ 369
Tue 8/98:55 a.m. -
Nonstop3h 19m
Tue 15/91:10 p.m. -
Nonstop3h 09m
Deal found 7/8C$ 373
Best flights from Niagara Falls to Key Largo
Discover carefully curated flight deals from Niagara Falls to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 August 2026.
Thu 10/126:05 a.m. -
1 stop8h 25m
Thu 17/125:00 p.m. -
1 stop6h 59m
Deal found 7/8C$ 464
Tue 12/18:35 a.m. -
1 stop6h 20m
Tue 12/16:25 p.m. -
1 stop5h 03m
Deal found 5/8C$ 467
Thu 17/97:00 a.m. -
1 stop7h 51m
Wed 23/91:10 p.m. -
Nonstop3h 09m
Deal found 5/8C$ 506
Thu 3/127:50 a.m. -
1 stop6h 40m
Fri 11/128:00 a.m. -
1 stop9h 20m
Deal found 9/8C$ 465
Wed 2/910:45 a.m. -
1 stop8h 07m
Wed 9/97:00 a.m. -
1 stop6h 47m
Deal found 5/8C$ 475
Fri 6/116:45 a.m. -
1 stop12h 04m
Sat 14/119:00 a.m. -
1 stop10h 23m
Deal found 5/8C$ 504
Sun 20/97:00 a.m. -
1 stop7h 51m
Mon 28/91:10 p.m. -
Nonstop3h 09m
Deal found 7/8C$ 571
Thu 28/17:45 a.m. -
1 stop9h 25m
Sun 7/27:30 a.m. -
1 stop10h 21m
Deal found 9/8C$ 530
Thu 20/86:00 a.m. -
1 stop8h 54m
Sat 22/88:25 a.m. -
1 stop8h 54m
Deal found 5/8C$ 535
Fri 4/97:30 a.m. -
1 stop7h 16m
Tue 8/91:44 p.m. -
1 stop10h 10m
Deal found 9/8C$ 545
Fri 21/81:38 p.m. -
1 stop9h 13m
Mon 24/812:05 p.m. -
1 stop9h 54m
Deal found 6/8C$ 535
Sun 23/811:40 a.m. -
1 stop9h 24m
Mon 31/87:00 a.m. -
1 stop10h 19m
Deal found 6/8C$ 535
Direct flights from Niagara Falls to Key Largo
Explore direct flight options from Niagara Falls to Key Largo based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 August 2026.
Mon 24/85:30 p.m. -
Nonstop3h 18m
Thu 27/89:45 p.m. -
Nonstop3h 14m
Deal found 7/8C$ 330
Sun 11/109:40 a.m. -
Nonstop3h 29m
Fri 16/102:10 p.m. -
Nonstop3h 20m
Deal found 6/8C$ 334
Sun 25/108:55 p.m. -
Nonstop3h 29m
Sat 31/108:55 p.m. -
Nonstop3h 24m
Deal found 6/8C$ 351
Wed 2/98:55 a.m. -
Nonstop3h 18m
Wed 9/91:15 p.m. -
Nonstop3h 09m
Deal found 6/8C$ 367
Mon 7/98:55 a.m. -
Nonstop3h 18m
Fri 11/91:15 p.m. -
Nonstop3h 09m
Deal found 7/8C$ 368
Sat 12/98:55 a.m. -
Nonstop3h 19m
Fri 18/91:10 p.m. -
Nonstop3h 09m
Deal found 7/8C$ 369
Tue 8/98:55 a.m. -
Nonstop3h 19m
Tue 15/91:10 p.m. -
Nonstop3h 09m
Deal found 7/8C$ 373
Sun 13/98:55 a.m. -
Nonstop3h 19m
Tue 15/91:10 p.m. -
Nonstop3h 09m
Deal found 6/8C$ 389
Thu 3/129:35 a.m. -
Nonstop3h 30m
Mon 14/122:05 p.m. -
Nonstop3h 20m
Deal found 9/8C$ 390
Last-minute flights from Niagara Falls to Key Largo
Discover last-minute flight deals from Niagara Falls to Key Largo. Data last updated 10 August 2026 and is based on user searches.
Sat 22/84:30 p.m. -
1 stop7h 06m
Wed 26/89:45 p.m. -
Nonstop3h 14m
Deal found 6/8C$ 380
Mon 24/85:30 p.m. -
Nonstop3h 18m
Thu 27/89:45 p.m. -
Nonstop3h 14m
Deal found 7/8C$ 330
Wed 2/98:55 a.m. -
Nonstop3h 18m
Wed 9/91:15 p.m. -
Nonstop3h 09m
Deal found 6/8C$ 367
Mon 7/98:55 a.m. -
Nonstop3h 18m
Fri 11/91:15 p.m. -
Nonstop3h 09m
Deal found 7/8C$ 368
Tue 8/98:55 a.m. -
Nonstop3h 19m
Tue 15/91:10 p.m. -
Nonstop3h 09m
Deal found 7/8C$ 373
Sat 12/98:55 a.m. -
Nonstop3h 19m
Fri 18/91:10 p.m. -
Nonstop3h 09m
Deal found 7/8C$ 369
Sun 13/94:00 p.m. -
1 stop6h 17m
Tue 15/91:10 p.m. -
Nonstop3h 09m
Deal found 6/8C$ 382
One-way flights from Niagara Falls to Key Largo
Search for one-way flight options from Niagara Falls to Key Largo. Find affordable one-way fares based on user searches. Data last updated 10 August 2026.
Tue 25/84:00 p.m. -
1 stop6h 11m
Deal found 5/8C$ 252
Wed 2/95:30 p.m. -
Nonstop3h 18m
Deal found 6/8C$ 255
Sat 29/85:30 p.m. -
Nonstop3h 18m
Deal found 7/8C$ 258
Mon 24/84:00 p.m. -
1 stop6h 11m
Deal found 7/8C$ 261
Sun 8/119:35 a.m. -
Nonstop3h 30m
Deal found 7/8C$ 262
Sun 30/85:30 p.m. -
Nonstop3h 18m
Deal found 10/8C$ 265
Thu 20/84:00 p.m. -
1 stop6h 11m
Deal found 6/8C$ 266
Tue 1/94:00 p.m. -
1 stop6h 11m
Deal found 6/8C$ 268
Find 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 10 August 2026.
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 10 August 2026.
Use the filters below to find and compare flights from Niagara Falls to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Thu 10/12
6:05 a.m.-2:30 p.m.
1 stop8h 25m
Miami
Thu 17/12
5:00 p.m.-11:59 p.m.
1 stop6h 59m
C$ 464
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Thu 3/12
7:50 a.m.-2:30 p.m.
1 stop6h 40m
Miami
Fri 11/12
8:00 a.m.-5:20 p.m.
1 stop9h 20m
C$ 465
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Tue 12/1
8:35 a.m.-2:55 p.m.
1 stop6h 20m
Miami
Tue 12/1
6:25 p.m.-11:28 p.m.
1 stop5h 03m
C$ 467
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Wed 2/9
10:45 a.m.-6:52 p.m.
1 stop8h 07m
Miami
Wed 9/9
7:00 a.m.-1:47 p.m.
1 stop6h 47m
C$ 475
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Fri 6/11
6:45 a.m.-6:49 p.m.
1 stop12h 04m
Miami
Sat 14/11
9:00 a.m.-7:23 p.m.
1 stop10h 23m
C$ 504
Quickest round-trip
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Thu 17/9
7:00 a.m.-2:51 p.m.
1 stop7h 51m
Miami
Wed 23/9
1:10 p.m.-4:19 p.m.
Nonstop3h 09m
C$ 506
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Thu 28/1
7:45 a.m.-5:10 p.m.
1 stop9h 25m
Miami
Sun 7/2
7:30 a.m.-5:51 p.m.
1 stop10h 21m
C$ 530
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Thu 20/8
6:00 a.m.-2:54 p.m.
1 stop8h 54m
Miami
Sat 22/8
8:25 a.m.-5:19 p.m.
1 stop8h 54m
C$ 535
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Fri 21/8
1:38 p.m.-10:51 p.m.
1 stop9h 13m
Miami
Mon 24/8
12:05 p.m.-9:59 p.m.
1 stop9h 54m
C$ 535
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Sun 23/8
11:40 a.m.-9:04 p.m.
1 stop9h 24m
Miami
Mon 31/8
7:00 a.m.-5:19 p.m.
1 stop10h 19m
C$ 535
Flights are sorted by cheapest round-trip flights first.
Deals found on 9/8
Showing 1-10 of 22 resultsSorted by cheapest first
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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.
YYZ-MIA
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
NI4-KE9
YYZ-MIA
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 10 August 2026.
When flying from Niagara Falls to Key Largo, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 9% versus a flight in the afternoon.
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 10 August 2026.
The most flights from NI4 to KE9 are scheduled on a Saturday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Niagara Falls to Key Largo?
Airfare is below average for this route at the moment.
Niagara Falls to Key Largo flights typically cost between C$ 482 and C$ 762 in August.The cheapest round-trip price found within the last 5 days was C$ 330 on Air Canada (24 Aug-27 Aug).
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 8 August 2026.
Travelers seeking maximum savings on their Niagara Falls to Key Largo flight should consider departing on Thursday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 10 August 2026.
Read reviews from past customers who have flown Porter Airlines,Air Transat, 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.
My first flight with an all female flight crew who were the best ever.
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.
How long is the flight from Niagara Falls to Key Largo?
Delta and United Airlines can get you from Niagara Falls to Key Largo in just under 6h 20m. Your travel time can differ by up to 2h 05m. Airlines will cover a distance of 1988 km. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Niagara Falls to Key Largo one-way?
One-way options have recently been found by users for as low as C$ 123 on Flair Airlines. Other airlines that offer cheap prices include Porter Airlines from C$ 188 and Air Transat from C$ 197 one-way.
What are the most reliable airlines from Niagara Falls to Key Largo?
The top 3 most reliable airlines when flying from Niagara Falls to Key Largo are Qatar Airways (77%), American Airlines (75%) and GOL (69%).
What are the cheapest flights from Niagara Falls to Key Largo?
Looking for the cheapest flight from Niagara Falls to Key Largo? While on average our users pay C$ 984, our data indicates the cheapest price to be C$ 256. The most popular route (Toronto Pearson Intl - Miami), is priced around C$ 394.
Can I find deals for flights from Niagara Falls to Key Largo that include hotel bookings?
Yes. In addition to deals on Niagara Falls to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Niagara Falls to Key Largo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Niagara Falls to Key Largo.
Can I find deals for business class flights from Niagara Falls to Key Largo?
Yes. Cheapflights offers flight deals from Niagara Falls to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Top 9 airlines flying from Niagara Falls to Key Largo
Discover the top 9 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 10 August 2026.
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 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.
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