What are the cheapest airlines flying from Buffalo to Key West round-trip?

Delta, at $243, was found to be the cheapest airline from Buffalo to Key West.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Users have found that Delta is 43% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Buffalo to Key West one-way?

The cheapest airlines for a one-way flight from Buffalo to Key West are United Airlines ($208), Delta ($250), and American Airlines ($325).

What is the cheapest day to fly from Buffalo to Key West?

Travelers seeking maximum savings on their Buffalo to Key West flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Buffalo to Key West?

Before booking your flight from Buffalo to Key West check out the most popular airlines for this route: American Airlines, JetBlue or Delta.

What is the cheapest day to fly round-trip from Buffalo to Key West?

Saturday flights are found to be more expensive to fly from Buffalo to Key West. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Key West.

How far in advance should I book a flight from Buffalo to Key West?

To save up to 56% on this flight, we recommend booking at least 35 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Buffalo to Key West from $348 1-2 weeks out and tickets from $428 for flights departing within the next 72 hours.

What is the cheapest month to fly from Buffalo to Key West?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, January can be a great choice for travel to Key West. Flights to Key West from Buffalo in January are about $432 on average during January, but can be found for as low as $235.

Most accurate provider : When it comes to deals on Buffalo-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Key West flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Buffalo-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 Buffalo-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Buffalo to Key West that include hotel bookings?

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

How can I find direct flights from Buffalo to Key West?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Key West.

Can I find deals for business class flights from Buffalo to Key West?

Yes. Cheapflights offers flight deals from Buffalo 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.

$208+ Flights from Buffalo to Key West - Compare & Save Big

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Find cheap flights from Buffalo 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.

Cheapflights Tip: The best prices from Buffalo to Key West are usually found in January or February, booked 62 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Buffalo to Key West

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$243 (Delta)
One-way from	$208 (United Airlines)
Popular in	April
Cheapest in	January
Average price	$487

Provider with most accurate pricing for Buffalo-Key West flight deals.

Search Deals

Provider most trusted by Cheapflights users for Buffalo-Key West flights.

Search Deals

From Buffalo to Key West

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One-way flight from Buffalo to Key West

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Buffalo to Key West

Cheapest flights from Buffalo to Key West
Explore the most affordable flight options available from Buffalo to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Tue 7/112:10 pmBUF - EYW

1 stop5h 24mDelta

Thu 7/1011:48 amEYW - BUF

1 stop6h 52mDelta

Deal found 4/28

$243

Wed 7/25:31 amBUF - EYW

1 stop5h 52mAmerican Airlines

Fri 7/1112:01 pmEYW - BUF

2 stops10h 07mAmerican Airlines

Deal found 4/28

$324

Wed 6/116:15 amBUF - EYW

2 stops11h 50mUnited Airlines

Wed 6/182:12 pmEYW - BUF

2 stops9h 32mUnited Airlines

Deal found 4/28

$375

Best flights from Buffalo to Key West
Discover carefully curated flight deals from Buffalo to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Tue 7/112:10 pmBUF - EYW

1 stop7h 29mDelta

Fri 7/116:27 pmEYW - BUF

1 stop5h 32mDelta

Deal found 4/29

$243

Wed 7/26:00 amBUF - EYW

1 stop6h 42mUnited Airlines

Fri 7/116:45 pmEYW - BUF

2 stops28h 59mUnited Airlines

Deal found 4/29

$326

Wed 6/1111:10 amBUF - EYW

2 stops7h 52mAmerican Airlines

Wed 6/181:24 pmEYW - BUF

2 stops11h 14mAmerican Airlines

Deal found 4/29

$352

Last-minute flights from Buffalo to Key West
Discover last-minute flight deals from Buffalo to Key West. Data last updated April 29, 2025 and is based on user searches.

Sun 5/46:00 amBUF - EYW

1 stop6h 59mUnited Airlines

Sat 5/108:45 amEYW - BUF

2 stops15h 12mUnited Airlines

Deal found 4/29

$502

Tue 5/66:00 amBUF - EYW

1 stop5h 30mDelta

Tue 5/136:25 pmEYW - BUF

1 stop5h 28mDelta

Deal found 4/29

$324

Tue 5/65:30 amBUF - EYW

2 stops9h 07mAmerican Airlines

Tue 5/135:30 pmEYW - BUF

2 stops6h 44mAmerican Airlines

Deal found 4/29

$334

Wed 5/286:00 amBUF - EYW

1 stop4h 51mDelta

Mon 6/26:25 pmEYW - BUF

1 stop5h 30mDelta

Deal found 4/29

$288

Wed 5/281:57 pmBUF - EYW

2 stops28h 08mUnited Airlines

Mon 6/26:45 pmEYW - BUF

2 stops24h 11mUnited Airlines

Deal found 4/29

$374

One-way flights from Buffalo to Key West
Search for one-way flight options from Buffalo to Key West. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Tue 5/136:00 amBUF - EYW

2 stops12h 05mUnited Airlines

Deal found 4/29

$208

Sat 6/146:00 amBUF - EYW

1 stop4h 53mDelta

Deal found 4/29

$250

Tue 5/135:30 amBUF - EYW

1 stop8h 09mAmerican Airlines

Deal found 4/29

$325

Cheapflights Fare Finder

Use the filters below to find and compare flights from Buffalo to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 7/1

12:10 pm-5:34 pm

1 stop5h 24m

Key West

Thu 7/10

11:48 am-6:40 pm

1 stop6h 52m

$243

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 7/2

5:31 am-11:23 am

1 stop5h 52m

Key West

Fri 7/11

12:01 pm-10:08 pm

2 stops10h 07m

$324

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 6/11

6:15 am-6:05 pm

2 stops11h 50m

Key West

Wed 6/18

2:12 pm-11:44 pm

2 stops9h 32m

$375

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 5/13

6:00 am-6:05 pm

2 stops12h 05m

$208

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 6/14

6:00 am-10:53 am

1 stop4h 53m

$250

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 5/13

5:30 am-1:39 pm

1 stop8h 09m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Buffalo to Key West

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Key West in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust 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 Buffalo-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Key West flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Buffalo-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 Buffalo-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 Buffalo to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Buffalo 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 Buffalo to Key West

How far ahead should I book a flight from Buffalo to Key West?

To ensure you get the cheapest price possible for a flight from Buffalo to Key West, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Buffalo to Key West (average of $328). Flying from Buffalo to Key West in March is currently the most expensive (average of $493). 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.

What is the cheapest time of day to fly from BUF to EYW?

One of the essential ways to save on airfare from Buffalo to Key West is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 39% on airfare.

Rainfall in Key West by month

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Key West

See what other customers who have flown with Delta, United Airlines and American Airlines from Buffalo to Key West have to say. 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.

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta

8.0

Very good

7,936 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Related info for your journey

What are the cheapest airlines flying from Buffalo to Key West round-trip?
Delta, at $243, was found to be the cheapest airline from Buffalo to Key West.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Users have found that Delta is 43% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Buffalo to Key West one-way?
The cheapest airlines for a one-way flight from Buffalo to Key West are United Airlines ($208), Delta ($250), and American Airlines ($325).
Can I find deals for flights from Buffalo to Key West that include hotel bookings?
Yes. In addition to deals on Buffalo to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Buffalo to Key West?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Key West.
Can I find deals for business class flights from Buffalo to Key West?
Yes. Cheapflights offers flight deals from Buffalo 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 Buffalo to Key West?
Currently, August is the cheapest month in which you can book a flight from Buffalo to Key West (average of $328). Flying from Buffalo to Key West in March is currently the most expensive (average of $493). 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

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Other flights to Key West

Top 4 airlines flying from Buffalo to Key West

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$157	Average$519	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$223	Average$404	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$255	Average$421	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$300	Average$429	FlexibilityNo cancel fee	On-time69%

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$208+ Cheap flights from Buffalo to Key West (BUF - EYW)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Buffalo to Key West with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Buffalo to Key West are usually found in January or February, booked 62 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Buffalo to Key West

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Buffalo to Key West

Cheapest flights from Buffalo to Key WestExplore the most affordable flight options available from Buffalo to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Buffalo to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Buffalo to Key West that are best for you.

Compare providers for flights from Buffalo 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 Buffalo to Key West in April.

Best time to book a flight from Buffalo to Key West

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

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Key West

How far ahead should I book a flight from Buffalo to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Key West. Price data was last updated on April 25, 2025.

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

What is the cheapest time of day to fly from BUF to EYW?

Find hourly flight availability from Buffalo to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

Reviews of airlines servicing Key West

See what other customers who have flown with Delta, United Airlines and American Airlines from Buffalo to Key West have to say. 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 Buffalo to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Buffalo to Key West round-trip?

What are the cheapest airlines to fly from Buffalo to Key West one-way?

Can I find deals for flights from Buffalo to Key West that include hotel bookings?

How can I find direct flights from Buffalo to Key West?

Can I find deals for business class flights from Buffalo to Key West?

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

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 Buffalo to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Buffalo to Key West

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Cheapest flights from Buffalo to Key West
Explore the most affordable flight options available from Buffalo to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.