$424+ Cheap flights from Niagara Falls, NY 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAG — EYW
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Best
Best flights from Niagara Falls to Key WestDiscover carefully curated flight deals from Niagara Falls to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Niagara Falls to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 1/2410:48 am -
2 stops23h 56m
Wed 1/275:10 pm -
1 stop16h 48m
Deal found 9/13![Allegiant Air logo]()
$424
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $302 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 15, 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
Cheapest round-trip
Quickest round-trip
Niagara FallsKey West
IAG Niagara Falls - EYW Key West
IAGEYW
Niagara Falls
Sun 1/24
10:48 am-10:44 am
2 stops23h 56m
Key West
Wed 1/27
5:10 pm-9:58 am
1 stop16h 48m
$424
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Niagara Falls, New York-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, New York-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Niagara Falls, New York-Key West flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Niagara Falls, New York-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, New York-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.
IAG-EYW
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.
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