HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$972+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAG — EYW
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Niagara Falls to Key West with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/253:37 pmIAG - EYW
2 stops21h 27mAllegiant Air
Mon 12/2910:01 pmEYW - IAG
1 stop20h 29mAllegiant Air
Deal found 12/9$972
This Mytrip deal was found by Cheapflights users on 12/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:37 pmIAG - EYW
2 stops21h 27mMultiple Airlines
Mon 12/292:30 pmEYW - IAG
3 stops28h 00mMultiple Airlines
Deal found 12/9$1,298

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$972
(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.
Search Deals
From Niagara Falls to Key West
Search Deals

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 December 12, 2025.
Use the filters below to find and compare flights from Niagara Falls to Key West that are best for you.

Fly from

Niagara Falls

Fly to

Key West

Route

Depart

Return

Price

Niagara FallsKey West

IAG - EYW

IAGEYW

Niagara Falls

Thu 12/25

3:37 pm-1:04 pm

2 stops21h 27m

Key West

Mon 12/29

10:01 pm-6:30 pm

1 stop20h 29m

$972

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Niagara Falls to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Niagara Falls to Key West in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Niagara Falls-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Niagara Falls-Key West flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 21h 27m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Niagara Falls to Key West

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Fort Lauderdale flights
Newark to Miami flights
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Orlando flights
Newark to Orlando flights
Newark to West Palm Beach flights
LaGuardia to Orlando flights
John F Kennedy Intl to West Palm Beach flights
LaGuardia to Tampa flights
LaGuardia to West Palm Beach flights
Newark to Tampa flights
John F Kennedy Intl to Tampa flights
Newark to Fort Myers flights
White Plains to Orlando flights
John F Kennedy Intl to Fort Myers flights
John F Kennedy Intl to Sarasota flights
Buffalo to Orlando flights
John F Kennedy Intl to Jacksonville flights
Islip to West Palm Beach flights
LaGuardia to Fort Myers flights
Newark to Key West flights
Newark to Sarasota flights
Islip to Orlando flights
Syracuse to Orlando flights
LaGuardia to Jacksonville flights
Newark to Jacksonville flights
White Plains to Fort Lauderdale flights
Stewart to Orlando flights
Albany to Orlando flights
Islip to Fort Lauderdale flights
White Plains to Miami flights
Buffalo to Fort Lauderdale flights
LaGuardia to Sarasota flights
LaGuardia to Key West flights
Stewart to Fort Lauderdale flights
White Plains to Tampa flights
John F Kennedy Intl to Key West flights
White Plains to West Palm Beach flights
Rochester to Orlando flights
Buffalo to Tampa flights
White Plains to Fort Myers flights
Islip to Tampa flights
John F Kennedy Intl to Daytona Beach flights
Albany to Fort Lauderdale flights
Newark to St Petersburg flights
Islip to Fort Myers flights
Newark to Orlando Sanford Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.