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$125+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — EYW
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Buffalo to Key West are usually found in January or August, booked 63 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Buffalo to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) 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 June 12, 2025.

Round-trip from

$269
(Delta)

One-way from

$125
(Trip.com)

Popular in

April

Cheapest in

January

Average price

$442
From Buffalo to Key West
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One-way flight from Buffalo to Key West
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Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2312:02 pmBUF - EYW
1 stop5h 25mDelta
Thu 8/286:20 pmEYW - BUF
1 stop5h 37mDelta
Deal found 6/10$269
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:20 amBUF - EYW
1 stop6h 03mAmerican Airlines
Wed 7/94:58 pmEYW - BUF
1 stop5h 59mAmerican Airlines
Deal found 6/11$276
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:00 amBUF - EYW
1 stop7h 12mUnited Airlines
Fri 7/116:45 pmEYW - BUF
2 stops28h 59mUnited Airlines
Deal found 6/10$352

Cheapflights Fare Finder

Customize your flight search to find flights from Buffalo 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 June 12, 2025.
Use the filters below to find and compare flights from Buffalo to Key West that are best for you.

Fly from

Buffalo

Fly to

Key West

Route

Depart

Return

Price

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 8/23

12:02 pm-5:27 pm

1 stop5h 25m

Key West

Thu 8/28

6:20 pm-11:57 pm

1 stop5h 37m

$269

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 7/1

5:20 am-11:23 am

1 stop6h 03m

Key West

Wed 7/9

4:58 pm-10:57 pm

1 stop5h 59m

$276

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 7/8

6:00 am-1:12 pm

1 stop7h 12m

Key West

Fri 7/11

6:45 pm-11:44 pm

2 stops28h 59m

$352

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 7/26

7:50 pm-8:00 am

1 stop12h 10m

$125

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 7/8

6:04 am-5:32 pm

2 stops11h 28m

$236

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sun 6/22

7:00 am-8:00 am

2 stops25h 00m

$283

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 7/26

6:00 am-3:26 pm

2 stops9h 26m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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?

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 June 9, 2025.

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?

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 June 12, 2025.

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

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

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

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated June 12, 2025.
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
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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.

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?

    Delta, at $269, was found to be the cheapest airline from Buffalo to Key West.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Users have found that Delta is 36% 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 Delta ($236), United Airlines ($283), and American Airlines ($342).

  • 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

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Top 4 airlines flying from Buffalo to Key West

Discover the top 4 airlines that operate flights from Buffalo to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$157Average$482FlexibilityNo cancel feeOn-time62%
DeltaCheapest$226Average$386FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$251Average$423FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$289Average$471FlexibilityNo cancel feeOn-time69%

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