Cheap flights from Niagara Falls to Key Largo from C$ 238
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MIA
6 Oct — 13 Oct1
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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Best
Direct
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 6 September 2026.
Sun 8/118:55 p.m. -
Nonstop3h 29m
Thu 12/117:20 a.m. -
Nonstop3h 14m
Deal found 1/9C$ 376
Sun 25/107:40 a.m. -
Nonstop3h 29m
Wed 28/107:20 a.m. -
Nonstop3h 14m
Deal found 3/9C$ 379
Thu 1/108:55 a.m. -
Nonstop3h 19m
Thu 8/109:45 p.m. -
Nonstop3h 11m
Deal found 4/9C$ 392
Tue 20/102:00 p.m. -
1 stop8h 17m
Tue 27/108:55 p.m. -
Nonstop3h 24m
Deal found 5/9C$ 393
Mon 26/108:55 p.m. -
Nonstop3h 29m
Thu 29/107:20 a.m. -
Nonstop3h 14m
Deal found 4/9C$ 407
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 6 September 2026.
Wed 11/116:45 a.m. -
1 stop8h 18m
Sat 14/119:00 a.m. -
1 stop5h 25m
Deal found 1/9C$ 448
Sat 10/1012:10 p.m. -
1 stop9h 06m
Mon 26/1011:47 a.m. -
1 stop5h 51m
Deal found 4/9C$ 472
Thu 5/113:35 p.m. -
1 stop6h 56m
Mon 9/118:55 p.m. -
Nonstop3h 24m
Deal found 1/9C$ 495
Tue 20/1010:45 a.m. -
1 stop8h 07m
Tue 27/108:45 a.m. -
2 stops12h 30m
Deal found 5/9C$ 461
Sun 8/116:33 p.m. -
1 stop6h 20m
Sun 15/116:00 a.m. -
1 stop10h 15m
Deal found 2/9C$ 508
Fri 2/1010:45 a.m. -
1 stop12h 54m
Mon 5/109:45 p.m. -
Nonstop3h 11m
Deal found 5/9C$ 517
Sat 7/1110:30 a.m. -
1 stop9h 11m
Sun 15/117:00 a.m. -
1 stop7h 03m
Deal found 1/9C$ 522
Fri 6/117:55 a.m. -
1 stop10h 23m
Sun 8/117:10 a.m. -
1 stop10h 08m
Deal found 5/9C$ 530
Thu 29/1012:55 p.m. -
1 stop11h 31m
Mon 2/118:51 a.m. -
1 stop9h 54m
Deal found 1/9C$ 522
Fri 13/115:25 p.m. -
1 stop7h 31m
Sun 15/117:00 a.m. -
1 stop9h 15m
Deal found 4/9C$ 531
Sat 7/119:44 a.m. -
1 stop6h 42m
Mon 16/118:45 a.m. -
1 stop13h 52m
Deal found 3/9C$ 522
Tue 15/99:44 a.m. -
2 stops9h 08m
Tue 22/91:44 p.m. -
1 stop5h 18m
Deal found 3/9C$ 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 6 September 2026.
Sun 8/118:55 p.m. -
Nonstop3h 29m
Thu 12/117:20 a.m. -
Nonstop3h 14m
Deal found 1/9C$ 376
Sun 25/107:40 a.m. -
Nonstop3h 29m
Wed 28/107:20 a.m. -
Nonstop3h 14m
Deal found 3/9C$ 379
Thu 1/108:55 a.m. -
Nonstop3h 19m
Thu 8/109:45 p.m. -
Nonstop3h 11m
Deal found 4/9C$ 392
Tue 10/118:55 p.m. -
Nonstop3h 29m
Fri 13/117:20 a.m. -
Nonstop3h 14m
Deal found 5/9C$ 401
Tue 20/105:30 p.m. -
Nonstop3h 19m
Tue 27/107:20 a.m. -
Nonstop3h 14m
Deal found 5/9C$ 403
Mon 26/108:55 p.m. -
Nonstop3h 29m
Thu 29/107:20 a.m. -
Nonstop3h 14m
Deal found 4/9C$ 407
Tue 6/108:55 a.m. -
Nonstop3h 19m
Tue 13/109:45 p.m. -
Nonstop3h 11m
Deal found 3/9C$ 410
Tue 10/118:55 p.m. -
Nonstop3h 29m
Thu 19/117:20 a.m. -
Nonstop3h 14m
Deal found 4/9C$ 411
Sun 25/104:30 p.m. -
Nonstop3h 29m
Fri 30/107:20 a.m. -
Nonstop3h 14m
Deal found 5/9C$ 412
Sun 25/109:35 a.m. -
Nonstop3h 30m
Fri 30/102:05 p.m. -
Nonstop3h 20m
Deal found 3/9C$ 414
Last-minute flights from Niagara Falls to Key Largo
Discover last-minute flight deals from Niagara Falls to Key Largo. Data last updated 6 September 2026 and is based on user searches.
Thu 1/108:55 a.m. -
Nonstop3h 19m
Thu 8/109:45 p.m. -
Nonstop3h 11m
Deal found 4/9C$ 392
Tue 6/105:30 p.m. -
Nonstop3h 19m
Wed 14/109:45 p.m. -
Nonstop3h 11m
Deal found 1/9C$ 410
Tue 20/102:00 p.m. -
1 stop8h 17m
Tue 27/108:55 p.m. -
Nonstop3h 24m
Deal found 5/9C$ 393
Sun 25/107:40 a.m. -
Nonstop3h 29m
Wed 28/107:20 a.m. -
Nonstop3h 14m
Deal found 3/9C$ 379
Mon 26/108:55 p.m. -
Nonstop3h 29m
Thu 29/107:20 a.m. -
Nonstop3h 14m
Deal found 4/9C$ 407
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 6 September 2026.
Mon 5/108:55 a.m. -
Nonstop3h 19m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/9C$ 238
Mon 28/98:10 a.m. -
2 stops12h 23m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/9C$ 239
Sun 1/118:55 p.m. -
Nonstop3h 29m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 4/9C$ 241
Tue 1/127:14 a.m. -
Nonstop3h 39m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 242
Mon 21/98:55 a.m. -
Nonstop3h 19m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/9C$ 244
Mon 5/108:10 a.m. -
2 stops12h 23m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 245
Wed 16/98:55 a.m. -
Nonstop3h 19m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 246
Tue 6/108:55 a.m. -
Nonstop3h 19m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/9C$ 256
Wed 30/96:00 a.m. -
Nonstop3h 37m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 257
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 6 September 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 7,457,451 searches. Data last updated 6 September 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
Sat 31/10
7:55 a.m.-5:18 p.m.
1 stop9h 23m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 263
Quickest round-trip
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Tue 13/10
9:40 a.m.-5:46 p.m.
1 stop8h 06m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 264
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Fri 2/10
2:30 p.m.-11:14 p.m.
1 stop8h 44m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 266
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Thu 1/10
7:55 a.m.-6:24 p.m.
1 stop10h 29m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 275
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Sun 4/10
6:10 a.m.-10:19 p.m.
1 stop16h 09m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 296
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Sat 10/10
7:30 a.m.-11:39 p.m.
1 stop16h 09m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 307
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Thu 15/10
10:45 a.m.-12:25 a.m.
1 stop13h 40m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 313
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Thu 5/11
6:10 a.m.-6:20 p.m.
1 stop12h 10m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 317
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Wed 25/11
12:00 p.m.-11:58 p.m.
2 stops11h 58m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 324
TorontoMiami
YYZ Toronto Pearson Intl - MIA Miami
YYZMIA
Toronto Pearson Intl
Wed 7/10
2:05 p.m.-12:25 a.m.
2 stops10h 20m
Miami
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 324
Flights are sorted by cheapest round-trip flights first.
Deals found on 3/9
Showing 1-10 of 23 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 6 September 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 10% versus a flight in the afternoon.
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$ 463 and C$ 613 in November.The cheapest round-trip price found within the last 5 days was C$ 376 on Air Canada (8 Nov-12 Nov).
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 5 September 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 6 September 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?
United Airlines and Delta can get you from Niagara Falls to Key Largo in just under 8h 18m. Your travel time can differ by up to 48m. 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$ 122 on Flair Airlines. Other airlines that offer cheap prices include Porter Airlines from C$ 187 and Air Transat from C$ 195 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 American Airlines (73%), GOL (69%) and Air Canada Rouge (66%).
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$ 961, our data indicates the cheapest price to be C$ 259. The most popular route (Toronto Pearson Intl - Miami), is priced around C$ 376.
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 8 airlines flying from Niagara Falls to Key Largo
Discover the top 8 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 7,457,451 searches. Data last updated 6 September 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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