Cheap flights from Niagara Falls, ON to Key Largo from C$ 244
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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MIA
4 Jun — 11 Jun1
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 June or September, booked 33 days in advance, depart on a Monday or Sunday and return on a Monday
Cheap flight deals from Niagara Falls to Key Largo
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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 5 May 2026.
Thu 11/67:55 a.m.
YYZ
-
MIA
1 stop10h 42m
WestJet
Mon 15/68:15 a.m.
MIA
-
YYZ
1 stop15h 25m
WestJet
Deal found 30/4C$ 397
Sun 24/57:55 a.m.
YYZ
-
MIA
1 stop10h 25m
WestJet
Wed 27/511:58 a.m.
MIA
-
YYZ
1 stop5h 17m
WestJet
Deal found 1/5C$ 399
Thu 11/62:32 p.m.
YYZ
-
MIA
1 stop8h 47m
WestJet
Thu 18/66:00 a.m.
MIA
-
YYZ
1 stop6h 25m
WestJet
Deal found 30/4C$ 403
Thu 13/85:50 p.m.
YYZ
-
MIA
1 stop12h 17m
WestJet
Fri 21/85:55 p.m.
MIA
-
YYZ
1 stop6h 09m
WestJet
Deal found 30/4C$ 404
Thu 28/512:29 p.m.
YYZ
-
MIA
1 stop10h 42m
WestJet
Thu 4/63:09 p.m.
MIA
-
YYZ
1 stop8h 05m
WestJet
Deal found 30/4C$ 408
Sun 31/56:00 a.m.
YYZ
-
MIA
1 stop12h 20m
WestJet
Sun 7/67:10 a.m.
MIA
-
YYZ
1 stop10h 09m
WestJet
Deal found 30/4C$ 410
Fri 29/52:30 p.m.
YYZ
-
MIA
1 stop8h 22m
WestJet
Wed 3/611:58 a.m.
MIA
-
YYZ
1 stop5h 17m
WestJet
Deal found 30/4C$ 411
Tue 30/61:40 p.m.
YYZ
-
MIA
1 stop8h 37m
WestJet
Tue 7/76:25 a.m.
MIA
-
YYZ
1 stop7h 16m
WestJet
Deal found 1/5C$ 415
Fri 22/54:04 p.m.
YYZ
-
MIA
1 stop25h 37m
WestJet
Fri 29/56:00 a.m.
MIA
-
YYZ
1 stop11h 15m
WestJet
Deal found 30/4C$ 418
Fri 22/56:12 p.m.
YYZ
-
MIA
1 stop23h 29m
WestJet
Mon 1/67:05 a.m.
MIA
-
YYZ
1 stop14h 50m
WestJet
Deal found 30/4C$ 419
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 5 May 2026.
Sun 24/57:55 a.m.
YYZ
-
MIA
1 stop10h 25m
Delta
Thu 28/55:51 p.m.
MIA
-
YYZ
1 stop6h 07m
Delta
Deal found 1/5C$ 453
Sun 31/57:55 a.m.
YYZ
-
MIA
1 stop10h 25m
Delta
Sun 7/67:10 a.m.
MIA
-
YYZ
1 stop10h 09m
Delta
Deal found 1/5C$ 484
Sun 24/56:30 p.m.
YYZ
-
MIA
1 stop6h 13m
Delta
Fri 29/56:35 a.m.
MIA
-
YYZ
1 stop7h 05m
Delta
Deal found 4/5C$ 486
Tue 26/56:10 a.m.
YYZ
-
MIA
1 stop5h 25m
Delta
Wed 3/62:01 p.m.
MIA
-
YYZ
1 stop7h 54m
Delta
Deal found 3/5C$ 486
Fri 9/1012:15 p.m.
YYZ
-
MIA
1 stop9h 23m
Delta
Mon 12/108:05 a.m.
MIA
-
YYZ
1 stop9h 17m
Delta
Deal found 4/5C$ 486
Fri 29/52:30 p.m.
YYZ
-
MIA
1 stop6h 33m
Delta
Tue 2/66:00 a.m.
MIA
-
YYZ
1 stop6h 19m
Delta
Deal found 4/5C$ 486
Tue 26/511:29 a.m.
YYZ
-
MIA
1 stop7h 05m
Delta
Wed 10/612:01 p.m.
MIA
-
YYZ
1 stop5h 18m
Delta
Deal found 5/5C$ 486
Thu 23/77:45 a.m.
YYZ
-
MIA
1 stop9h 10m
Delta
Wed 29/72:09 p.m.
MIA
-
YYZ
1 stop7h 52m
Delta
Deal found 4/5C$ 486
Wed 27/511:29 a.m.
YYZ
-
MIA
1 stop7h 05m
Delta
Sat 6/69:00 a.m.
MIA
-
YYZ
1 stop8h 59m
Delta
Deal found 3/5C$ 486
Mon 8/67:55 a.m.
YYZ
-
MIA
1 stop6h 29m
Delta
Wed 10/610:40 a.m.
MIA
-
YYZ
1 stop6h 39m
Delta
Deal found 2/5C$ 487
Tue 26/56:10 a.m.
YYZ
-
MIA
1 stop5h 25m
Delta
Mon 1/68:25 a.m.
MIA
-
YYZ
1 stop9h 30m
Delta
Deal found 3/5C$ 528
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 5 May 2026.
Fri 9/109:40 a.m.
YYZ
-
MIA
Nonstop3h 29m
Air Transat
Fri 16/102:10 p.m.
MIA
-
YYZ
Nonstop3h 20m
Air Transat
Deal found 1/5C$ 408
Wed 20/59:00 a.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Tue 2/69:45 p.m.
MIA
-
YYZ
Nonstop3h 14m
Air Canada
Deal found 1/5C$ 426
Fri 16/109:40 a.m.
YYZ
-
MIA
Nonstop3h 29m
Air Transat
Fri 23/102:10 p.m.
MIA
-
YYZ
Nonstop3h 20m
Air Transat
Deal found 2/5C$ 427
Mon 8/66:00 a.m.
YYZ
-
MIA
Nonstop3h 35m
American Airlines
Fri 12/67:55 p.m.
MIA
-
YYZ
Nonstop3h 27m
American Airlines
Deal found 2/5C$ 442
Wed 20/55:59 p.m.
YYZ
-
MIA
Nonstop3h 25m
American Airlines
Wed 27/51:49 p.m.
MIA
-
YYZ
Nonstop3h 22m
American Airlines
Deal found 4/5C$ 445
Sat 30/55:56 p.m.
YYZ
-
MIA
Nonstop3h 23m
American Airlines
Fri 12/67:55 p.m.
MIA
-
YYZ
Nonstop3h 27m
American Airlines
Deal found 3/5C$ 446
Sat 4/75:56 p.m.
YYZ
-
MIA
Nonstop3h 28m
American Airlines
Sun 12/78:00 p.m.
MIA
-
YYZ
Nonstop3h 22m
American Airlines
Deal found 4/5C$ 448
Thu 21/55:30 p.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Tue 2/69:45 p.m.
MIA
-
YYZ
Nonstop3h 14m
Air Canada
Deal found 1/5C$ 449
Sat 4/75:56 p.m.
YYZ
-
MIA
Nonstop3h 28m
American Airlines
Sat 11/71:48 p.m.
MIA
-
YYZ
Nonstop3h 23m
American Airlines
Deal found 30/4C$ 452
Sun 31/55:30 p.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Sat 6/69:45 p.m.
MIA
-
YYZ
Nonstop3h 14m
Air Canada
Deal found 3/5C$ 453
Sun 14/68:55 a.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Sun 21/69:45 p.m.
MIA
-
YYZ
Nonstop3h 14m
Air Canada
Deal found 30/4C$ 460
Last-minute flights from Niagara Falls to Key Largo
Discover last-minute flight deals from Niagara Falls to Key Largo. Data last updated 5 May 2026 and is based on user searches.
Sun 10/55:59 p.m.
YYZ
-
MIA
Nonstop3h 25m
American Airlines
Wed 13/58:31 a.m.
MIA
-
YYZ
1 stop8h 55m
American Airlines
Deal found 4/5C$ 429
Sun 10/56:00 a.m.
YYZ
-
MIA
1 stop8h 19m
Delta
Fri 15/57:12 a.m.
MIA
-
YYZ
1 stop10h 35m
Delta
Deal found 30/4C$ 452
Sun 10/56:06 p.m.
YYZ
-
MIA
1 stop6h 53m
American Airlines
Sat 16/57:05 a.m.
MIA
-
YYZ
1 stop10h 12m
American Airlines
Deal found 1/5C$ 465
Mon 11/55:59 p.m.
YYZ
-
MIA
Nonstop3h 25m
American Airlines
Thu 25/66:45 a.m.
MIA
-
YYZ
1 stop8h 51m
American Airlines
Deal found 4/5C$ 453
Mon 11/510:59 a.m.
YYZ
-
MIA
1 stop7h 52m
American Airlines
Wed 13/54:59 p.m.
MIA
-
YYZ
1 stop6h 12m
American Airlines
Deal found 3/5C$ 467
Mon 11/55:59 p.m.
YYZ
-
MIA
Nonstop3h 25m
American Airlines
Sat 16/57:05 a.m.
MIA
-
YYZ
1 stop10h 12m
American Airlines
Deal found 30/4C$ 473
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 5 May 2026.
Mon 1/61:34 p.m.
YYZ
-
MIA
1 stop5h 00m
WestJet
Deal found 30/4C$ 244
Sat 16/55:59 p.m.
YYZ
-
MIA
Nonstop3h 25m
American Airlines
Deal found 30/4C$ 245
Tue 2/66:00 a.m.
YYZ
-
MIA
Nonstop3h 35m
American Airlines
Deal found 3/5C$ 248
Sun 7/66:30 a.m.
YYZ
-
MIA
1 stop7h 05m
WestJet
Deal found 30/4C$ 249
Sun 17/55:30 p.m.
YYZ
-
MIA
Nonstop3h 18m
Air Canada
Deal found 30/4C$ 252
Wed 15/72:31 p.m.
YYZ
-
MIA
1 stop6h 50m
WestJet
Deal found 30/4C$ 253
Fri 29/52:30 p.m.
YYZ
-
MIA
1 stop6h 33m
WestJet
Deal found 30/4C$ 254
Wed 3/67:55 a.m.
YYZ
-
MIA
1 stop6h 16m
WestJet
Deal found 30/4C$ 258
Sun 10/56:00 a.m.
YYZ
-
MIA
Nonstop3h 30m
American Airlines
Deal found 1/5C$ 260
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 5 May 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 5 May 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 - MIA
YYZMIA
Toronto Pearson Intl
Sun 24/5
7:55 a.m.-6:20 p.m.
1 stop10h 25m
Miami
Thu 28/5
5:51 p.m.-11:58 p.m.
1 stop6h 07m
C$ 453
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Sun 31/5
7:55 a.m.-6:20 p.m.
1 stop10h 25m
Miami
Sun 7/6
7:10 a.m.-5:19 p.m.
1 stop10h 09m
C$ 484
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Sun 24/5
6:30 p.m.-12:43 a.m.
1 stop6h 13m
Miami
Fri 29/5
6:35 a.m.-1:40 p.m.
1 stop7h 05m
C$ 486
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Tue 26/5
6:10 a.m.-11:35 a.m.
1 stop5h 25m
Miami
Wed 3/6
2:01 p.m.-9:55 p.m.
1 stop7h 54m
C$ 486
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Fri 9/10
12:15 p.m.-9:38 p.m.
1 stop9h 23m
Miami
Mon 12/10
8:05 a.m.-5:22 p.m.
1 stop9h 17m
C$ 486
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Fri 29/5
2:30 p.m.-9:03 p.m.
1 stop6h 33m
Miami
Tue 2/6
6:00 a.m.-12:19 p.m.
1 stop6h 19m
C$ 486
Quickest round-trip
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Tue 26/5
11:29 a.m.-6:34 p.m.
1 stop7h 05m
Miami
Wed 10/6
12:01 p.m.-5:19 p.m.
1 stop5h 18m
C$ 486
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Thu 23/7
7:45 a.m.-4:55 p.m.
1 stop9h 10m
Miami
Wed 29/7
2:09 p.m.-10:01 p.m.
1 stop7h 52m
C$ 486
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Wed 27/5
11:29 a.m.-6:34 p.m.
1 stop7h 05m
Miami
Sat 6/6
9:00 a.m.-5:59 p.m.
1 stop8h 59m
C$ 486
TorontoMiami
YYZ - MIA
YYZMIA
Toronto Pearson Intl
Mon 8/6
7:55 a.m.-2:24 p.m.
1 stop6h 29m
Miami
Wed 10/6
10:40 a.m.-5:19 p.m.
1 stop6h 39m
C$ 487
Flights are sorted by cheapest round-trip flights first.
Deals found on 1/5
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 5 May 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 in the morning, which can drop the price by up to 20% versus a flight in the afternoon.
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 2 May 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.
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 5 May 2026.
The most flights from NI4 to KE9 are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Niagara Falls to Key Largo?
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 5 May 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.
I'm 6ft 4in. The seats don't have enough room. But was a good flight.
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 can get you from Niagara Falls to Key Largo in just under 10h 25m. Your travel time can differ by up to . Airlines will cover a distance of 1988 km.
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$ 126 on Flair Airlines. Other airlines that offer cheap prices include Porter Airlines from C$ 185 and Air Transat from C$ 192 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 (72%) and Porter Airlines (67%).
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$ 660, our data indicates the cheapest price to be C$ 194. The most popular route (Toronto Pearson Intl - Miami), is priced around C$ 426.
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 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 5 May 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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