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 6h 20m. Your travel time can differ by up to 2h 53m. 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$ 133 on Flair Airlines. Other airlines that offer cheap prices include Porter Airlines from C$ 191 and Air Transat from C$ 199 one-way.

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 mm per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Key Largo when rainfall is around 41.0 mm.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

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$ 1,460, our data indicates the cheapest price to be C$ 252. The most popular route (Toronto Pearson Intl - Miami), is priced around C$ 372.

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 (80%), Brussels Airlines (78%) and American Airlines (76%).

What are the most popular airlines that fly from Niagara Falls to Key Largo?

Consider Air Canada, Porter Airlines or American Airlines when booking your flight. These represent the most popular airlines when flying from Niagara Falls to Key Largo.

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.

C$ 240+ Cheap Flights from Niagara Falls, ON to Key Largo

Q: 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$ 459 and C$ 730 in September. The cheapest round-trip price found within the last 5 days was C$ 364 on Air Canada (1 Sep-8 Sep).

Cheapflights Tip: The best prices from Niagara Falls to Key Largo are usually found in September or April, booked 33 days in advance, depart on a Monday or Sunday and return on a Sunday

Cheap flight deals from Niagara Falls to Key Largo

Enter your travel dates to find the best prices.

Cheapest

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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 23 July 2026.

Tue 1/98:55 a.m.

YYZ

MIA

Nonstop3h 18m

Air Canada

Tue 8/91:15 p.m.

MIA

YYZ

Nonstop3h 09m

Air Canada

Deal found 18/7C$ 364

Thu 26/119:35 a.m.

YYZ

MIA

Nonstop3h 30m

Porter Airlines

Mon 30/112:05 p.m.

MIA

YYZ

Nonstop3h 20m

Porter Airlines

Deal found 19/7C$ 372

Wed 2/98:55 a.m.

YYZ

MIA

Nonstop3h 18m

Air Canada

Wed 9/91:15 p.m.

MIA

YYZ

Nonstop3h 09m

Air Canada

Deal found 19/7C$ 373

Thu 3/129:35 a.m.

YYZ

MIA

Nonstop3h 30m

Porter Airlines

Mon 14/122:05 p.m.

MIA

YYZ

Nonstop3h 20m

Porter Airlines

Deal found 22/7C$ 383

Tue 11/85:30 p.m.

YYZ

MIA

Nonstop3h 18m

Air Canada

Wed 12/89:45 p.m.

MIA

YYZ

Nonstop3h 14m

Air Canada

Deal found 19/7C$ 395

Sun 6/129:35 a.m.

YYZ

MIA

Nonstop3h 30m

Porter Airlines

Mon 7/122:05 p.m.

MIA

YYZ

Nonstop3h 20m

Porter Airlines

Deal found 19/7C$ 396

Wed 19/84:00 p.m.

YYZ

MIA

1 stop6h 11m

Air Canada

Wed 26/81:10 p.m.

MIA

YYZ

Nonstop3h 19m

Air Canada

Deal found 19/7C$ 400

Mon 30/119:35 a.m.

YYZ

MIA

Nonstop3h 30m

Porter Airlines

Mon 7/122:05 p.m.

MIA

YYZ

Nonstop3h 20m

Porter Airlines

Deal found 21/7C$ 402

Find flight deals from Niagara Falls to Key Largo

Round-trip from	C$ 364
One-way from	C$ 240
Popular in	August
Cheapest in	September
Average price	C$ 567

Air Canada
1/9-8/9
Nonstop
6h 27m total
Niagara Falls to Key Largo

Search Deals

Air Canada
25/8
1 total stop
6h 11m total
Niagara Falls to Key Largo

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (C$ 4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease (C$ 7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2026

Search Deals

Cheapflights Fare Finder

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

Quickest round-trip

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Tue 12/1

8:35 a.m.-2:55 p.m.

1 stop6h 20m

Miami

Tue 12/1

6:00 p.m.-12:19 a.m.

1 stop6h 19m

C$ 452

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Tue 22/9

10:45 a.m.-6:52 p.m.

1 stop8h 07m

Miami

Tue 29/9

4:01 p.m.-11:59 p.m.

1 stop7h 58m

C$ 459

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Sun 6/12

12:45 p.m.-6:35 p.m.

1 stop5h 50m

Miami

Sat 12/12

6:30 a.m.-1:43 p.m.

1 stop7h 13m

C$ 489

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 13/8

1:38 p.m.-10:51 p.m.

1 stop9h 13m

Miami

Tue 18/8

10:35 a.m.-5:19 p.m.

1 stop6h 44m

C$ 490

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Wed 12/8

7:55 a.m.-6:30 p.m.

1 stop10h 35m

Miami

Tue 18/8

10:35 a.m.-5:19 p.m.

1 stop6h 44m

C$ 499

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Wed 19/8

6:00 a.m.-2:54 p.m.

1 stop8h 54m

Miami

Sat 5/9

7:15 a.m.-6:12 p.m.

1 stop10h 57m

C$ 499

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Fri 27/11

3:35 p.m.-10:21 p.m.

1 stop6h 46m

Miami

Sat 5/12

1:00 p.m.-12:19 a.m.

2 stops11h 19m

C$ 499

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Fri 18/9

7:00 a.m.-2:51 p.m.

1 stop7h 51m

Miami

Sat 26/9

8:54 a.m.-7:00 p.m.

1 stop10h 06m

C$ 500

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Fri 13/11

6:45 a.m.-6:45 p.m.

1 stop12h 00m

Miami

Sat 21/11

7:20 a.m.-10:34 a.m.

Nonstop3h 14m

C$ 514

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Sun 6/12

6:15 a.m.-12:21 p.m.

1 stop6h 06m

Miami

Mon 7/12

4:40 p.m.-12:01 a.m.

1 stop7h 21m

C$ 531

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/7

Showing 1-10 of 24 resultsSorted by cheapest first

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?

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 23% versus a flight in the afternoon.

Weekly flight availability from Niagara Falls to Key Largo

The most flights from NI4 to KE9 are scheduled on a Monday (6 on average). You will have fewer flight options on Sunday, 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?

What is the cheapest day to fly from Niagara Falls to Key Largo?

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

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.

Porter Airlines

8.0

Very good

448 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Porter Airlines

8.0

Very good

448 reviews

Porter Airlines

8.0

Very good

448 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Air Transat

7.8

Good

566 reviews

Porter Airlines

8.0

Very good

448 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

WestJet

7.2

Good

3,411 reviews

Porter Airlines

8.0

Very good

448 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

American Airlines

7.1

Good

11,831 reviews

Porter Airlines

8.0

Very good

448 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Air Canada

7.1

Good

11,371 reviews

Porter Airlines

8.0

Very good

448 reviews

Check prices

Reviews

1 / 20

6.0

Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

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 6h 20m. Your travel time can differ by up to 2h 53m. 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$ 133 on Flair Airlines. Other airlines that offer cheap prices include Porter Airlines from C$ 191 and Air Transat from C$ 199 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 (80%), Brussels Airlines (78%) and American Airlines (76%).
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$ 1,460, our data indicates the cheapest price to be C$ 252. The most popular route (Toronto Pearson Intl - Miami), is priced around C$ 372.
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.

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Top 9 airlines flying from Niagara Falls to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 121	AverageC$ 486	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Flair Airlines	CheapestC$ 154	AverageC$ 320	FlexibilityNo cancel fee	On-timeN/A	Search Flair Airlines flights
Porter Airlines	CheapestC$ 189	AverageC$ 399	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Delta	CheapestC$ 195	AverageC$ 408	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 207	AverageC$ 622	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
American Airlines	CheapestC$ 233	AverageC$ 523	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 253	AverageC$ 488	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 260	AverageC$ 463	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
APG Airlines	CheapestC$ 639	AverageC$ 688	FlexibilityNo cancel fee	On-timeN/A	Search APG Airlines flights

Fly with Cheapflights

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.

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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?

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Cheap flights from Niagara Falls, ON to Key Largo from C$ 240

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.

Cheap 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 23 July 2026.

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 23 July 2026.

Best flights from Niagara Falls to Key LargoDiscover 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 23 July 2026.

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 23 July 2026.

Direct flights from Niagara Falls to Key LargoExplore 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 23 July 2026.

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 23 July 2026.

Last-minute flights from Niagara Falls to Key LargoDiscover last-minute flight deals from Niagara Falls to Key Largo. Data last updated 23 July 2026 and is based on user searches.

Discover last-minute flight deals from Niagara Falls to Key Largo. Data last updated 23 July 2026 and is based on user searches.

One-way flights from Niagara Falls to Key LargoSearch for one-way flight options from Niagara Falls to Key Largo. Find affordable one-way fares based on user searches. Data last updated 23 July 2026.

Search for one-way flight options from Niagara Falls to Key Largo. Find affordable one-way fares based on user searches. Data last updated 23 July 2026.

Find flight deals from Niagara Falls to Key Largo

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Niagara Falls to Key Largo that are best for you.

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.

Cheapflights Insights

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 23 July 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 23% versus a flight in the afternoon.

Weekly flight availability from Niagara Falls to Key Largo

The most flights from NI4 to KE9 are scheduled on a Monday (6 on average). You will have fewer flight options on Sunday, 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?

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 18 July 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

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.

Related info for your journey

How long is the flight from Niagara Falls to Key Largo?

What are the cheapest airlines to fly from Niagara Falls to Key Largo one-way?

What are the most reliable airlines from Niagara Falls to Key Largo?

What are the cheapest flights from Niagara Falls to Key Largo?

Can I find deals for flights from Niagara Falls to Key Largo that include hotel bookings?

How can I find direct flights from Niagara Falls to Key Largo?

Can I find deals for business class flights from Niagara Falls to Key Largo?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Niagara Falls to Key Largo

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Complete your trip

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Niagara Falls and Key Largo flights

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Top 9 airlines flying 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 23 July 2026.

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 23 July 2026.

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 23 July 2026.

Last-minute flights from Niagara Falls to Key Largo
Discover last-minute flight deals from Niagara Falls to Key Largo. Data last updated 23 July 2026 and is based on user searches.

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 23 July 2026.