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

Delta can get you from Niagara Falls to Key Largo in just under 9h 17m. 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$ 186 and Air Transat from C$ 193 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$ 1,010, our data indicates the cheapest price to be C$ 195. The most popular route (Toronto Pearson Intl - Miami), is priced around C$ 408.

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 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$ 263+ 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$ 637 and C$ 423 in October. The cheapest round-trip price found within the last 3 days was C$ 408 on Air Transat (16 Oct-23 Oct).

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

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 11 May 2026.

Sat 9/58:00 a.m.

YYZ

MIA

1 stop9h 07m

Air Canada

Wed 13/59:45 p.m.

MIA

YYZ

Nonstop3h 14m

Air Canada

Deal found 8/5C$ 391

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 10/5C$ 408

Tue 22/97:20 a.m.

YYZ

MIA

Nonstop3h 35m

American Airlines

Wed 30/97:45 p.m.

MIA

YYZ

Nonstop3h 15m

American Airlines

Deal found 10/5C$ 453

Sun 31/58:55 a.m.

YYZ

MIA

Nonstop3h 18m

Air Canada

Wed 3/69:45 p.m.

MIA

YYZ

Nonstop3h 14m

Air Canada

Deal found 11/5C$ 464

Sun 10/55:59 p.m.

YYZ

MIA

Nonstop3h 25m

American Airlines

Wed 13/56:45 a.m.

MIA

YYZ

1 stop7h 58m

American Airlines

Deal found 10/5C$ 466

Sun 10/54:00 p.m.

YYZ

MIA

1 stop6h 17m

Air Canada

Sat 13/69:45 p.m.

MIA

YYZ

Nonstop3h 14m

Air Canada

Deal found 9/5C$ 469

Sat 17/104:15 p.m.

YYZ

MIA

1 stop6h 32m

American Airlines

Thu 22/107:45 p.m.

MIA

YYZ

Nonstop3h 15m

American Airlines

Deal found 11/5C$ 475

Tue 26/56:00 a.m.

YYZ

MIA

Nonstop3h 35m

American Airlines

Sat 30/56:20 a.m.

MIA

YYZ

1 stop10h 28m

American Airlines

Deal found 9/5C$ 477

Sun 7/66:00 a.m.

YYZ

MIA

Nonstop3h 35m

American Airlines

Tue 16/69:55 a.m.

MIA

YYZ

1 stop5h 04m

American Airlines

Deal found 9/5C$ 480

Find flight deals from Niagara Falls to Key Largo

Round-trip from	C$ 408
One-way from	C$ 263
Popular in	December
Cheapest in	June
Average price	C$ 506

Air Transat
16/10-23/10
Nonstop
6h 49m total
Niagara Falls to Key Largo

Search Deals

American Airlines
16/5
Nonstop
3h 25m total
Niagara Falls to Key Largo

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 36 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 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

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Fri 29/5

1:34 p.m.-10:51 p.m.

1 stop9h 17m

Miami

Tue 2/6

2:01 p.m.-11:58 p.m.

1 stop9h 57m

C$ 485

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 27/8

6:00 a.m.-1:02 p.m.

1 stop7h 02m

Miami

Wed 2/9

5:55 p.m.-12:04 a.m.

1 stop6h 09m

C$ 485

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Tue 21/7

11:40 a.m.-4:55 p.m.

1 stop5h 15m

Miami

Tue 28/7

2:09 p.m.-11:58 p.m.

1 stop9h 49m

C$ 485

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Wed 27/5

6:30 p.m.-12:47 a.m.

1 stop6h 17m

Miami

Tue 2/6

5:51 p.m.-11:58 p.m.

1 stop6h 07m

C$ 485

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Mon 6/7

12:09 p.m.-6:04 p.m.

1 stop5h 55m

Miami

Thu 9/7

4:00 p.m.-11:58 p.m.

1 stop7h 58m

C$ 487

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Thu 28/5

2:30 p.m.-9:03 p.m.

1 stop6h 33m

Miami

Sat 30/5

9:00 a.m.-4:12 p.m.

1 stop7h 12m

C$ 487

Quickest round-trip

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Mon 8/6

12:09 p.m.-6:04 p.m.

1 stop5h 55m

Miami

Wed 10/6

4:00 p.m.-9:59 p.m.

1 stop5h 59m

C$ 487

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Fri 11/9

6:00 p.m.-12:54 a.m.

1 stop6h 54m

Miami

Thu 17/9

5:55 p.m.-12:04 a.m.

1 stop6h 09m

C$ 488

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Tue 14/7

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

1 stop10h 35m

Miami

Sat 1/8

7:05 a.m.-5:19 p.m.

1 stop10h 14m

C$ 566

TorontoMiami

YYZ - MIA

YYZMIA

Toronto Pearson Intl

Sat 13/6

1:40 p.m.-10:17 p.m.

1 stop8h 37m

Miami

Mon 15/6

6:25 a.m.-4:15 p.m.

1 stop9h 50m

C$ 568

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/5

Showing 1-10 of 21 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 20% versus a flight in the afternoon.

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.

Weekly flight availability from Niagara Falls to Key Largo

The most flights from NI4 to KE9 are scheduled on a Sunday (6 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?

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

436 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Porter Airlines

8.0

Very good

436 reviews

Porter Airlines

8.0

Very good

436 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Air Transat

7.8

Good

550 reviews

Porter Airlines

8.0

Very good

436 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

WestJet

7.2

Good

3,332 reviews

Porter Airlines

8.0

Very good

436 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

American Airlines

7.1

Good

11,665 reviews

Porter Airlines

8.0

Very good

436 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Air Canada

7.1

Good

11,017 reviews

Porter Airlines

8.0

Very good

436 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

How long is the flight from Niagara Falls to Key Largo?
Delta can get you from Niagara Falls to Key Largo in just under 9h 17m. 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$ 186 and Air Transat from C$ 193 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$ 1,010, our data indicates the cheapest price to be C$ 195. The most popular route (Toronto Pearson Intl - Miami), is priced around C$ 408.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Niagara Falls to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 117	AverageC$ 474	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Flair Airlines	CheapestC$ 137	AverageC$ 303	FlexibilityNo cancel fee	On-timeN/A	Search Flair Airlines flights
Porter Airlines	CheapestC$ 184	AverageC$ 386	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Delta	CheapestC$ 190	AverageC$ 396	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 199	AverageC$ 667	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
American Airlines	CheapestC$ 208	AverageC$ 458	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 246	AverageC$ 477	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Transat	CheapestC$ 250	AverageC$ 438	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
WestJet Encore	CheapestC$ 536	AverageC$ 768	FlexibilityNo cancel fee	On-timeN/A	Search WestJet Encore flights
APG Airlines	CheapestC$ 620	AverageC$ 667	FlexibilityNo cancel fee	On-timeN/A	Search APG Airlines flights

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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.

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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$ 263

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 16/5. 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 11 May 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 11 May 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 11 May 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 11 May 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 11 May 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 11 May 2026.

Last-minute flights from Niagara Falls to Key LargoDiscover last-minute flight deals from Niagara Falls to Key Largo. Data last updated 11 May 2026 and is based on user searches.

Discover last-minute flight deals from Niagara Falls to Key Largo. Data last updated 11 May 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 11 May 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 11 May 2026.

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 11 May 2026.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Everything you need to know about your flight from Niagara Falls to Key Largo

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 11 May 2026.

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 9 May 2026.

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 11 May 2026.

How much does it cost to fly round-trip from Niagara Falls to Key Largo?

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

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?

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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Niagara Falls and Key Largo flights

Browse other Niagara Falls and Key Largo flight options. Last updated on 11 May 2026.

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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 11 May 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 11 May 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 11 May 2026.

Last-minute flights from Niagara Falls to Key Largo
Discover last-minute flight deals from Niagara Falls to Key Largo. Data last updated 11 May 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 11 May 2026.