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Key West

$679+ Cheap flights from Niagara Falls to Key West (IAG - EYW)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAG — EYW
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap flight deals from Niagara Falls to Key West

Cheapest flights from Niagara Falls to Key West
Explore the most affordable flight options available from Niagara Falls to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:00 am
IAG
-
EYW
1 stop11h 43m
Allegiant Air
Mon 3/302:59 pm
EYW
-
IAG
1 stop26h 31m
Allegiant Air
Deal found 3/11$679
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:00 pm
IAG
-
EYW
2 stops35h 26m
Allegiant Air
Fri 4/32:53 pm
EYW
-
IAG
1 stop26h 29m
Allegiant Air
Deal found 3/8$839

Find flight deals from Niagara Falls to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Niagara Falls (IAG) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$679
(Kiwi.com)
Provider with most accurate pricing for Niagara Falls-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Niagara Falls-Key West flights.
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From Niagara Falls to Key West
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Niagara Falls to Key West 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 2,558,603 searches. Data last updated March 11, 2026.
Use the filters below to find and compare flights from Niagara Falls to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Niagara FallsKey West

IAG - EYW

IAGEYW

Niagara Falls

Thu 3/26

10:00 am-9:43 pm

1 stop11h 43m

Key West

Mon 3/30

2:59 pm-5:30 pm

1 stop26h 31m

$679

Niagara FallsKey West

IAG - EYW

IAGEYW

Niagara Falls

Fri 3/27

9:00 pm-8:26 am

2 stops35h 26m

Key West

Fri 4/3

2:53 pm-5:22 pm

1 stop26h 29m

$839

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Niagara Falls-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Niagara Falls-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Niagara Falls-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Niagara Falls-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Niagara Falls-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Niagara Falls to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Niagara Falls with our price prediction graph.
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 West

What is the cheapest month to book a flight from Niagara Falls to Key West?

Currently, May is the cheapest month in which you can book a flight from Niagara Falls to Key West (average of $199). Flying from Niagara Falls to Key West in October is currently the most expensive (average of $299). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Niagara Falls to Key West. 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 West?

    Departing from Niagara Falls to Key West will take you 11h 43m. The distance from Niagara Falls to Key West is about 1291 mi.

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

    Yes. In addition to deals on Niagara Falls to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    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 West.

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

    Yes. Cheapflights offers flight deals from Niagara Falls to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Niagara Falls to Key West?

    Currently, May is the cheapest month in which you can book a flight from Niagara Falls to Key West (average of $199). Flying from Niagara Falls to Key West in October is currently the most expensive (average of $299). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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