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Key West

$129+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — EYW
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
1 adult, Economy
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Cheap 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 December 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Wed 12/3111:08 amBUF - EYW
1 stop21h 07mMultiple Airlines
Mon 1/51:10 pmEYW - BUF
1 stop7h 58mMultiple Airlines
Deal found 12/28$483
This American Airlines deal was found by Cheapflights users on 12/28. 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.
Wed 12/3112:50 pmBUF - EYW
2 stops9h 54mAmerican Airlines
Mon 1/54:03 pmEYW - BUF
2 stops7h 56mAmerican Airlines
Deal found 12/28$645
This Kiwi.com deal was found by Cheapflights users on 12/29. 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.
Wed 12/3111:08 amBUF - EYW
1 stop21h 07mMultiple Airlines
Sat 1/37:47 amEYW - BUF
1 stop9h 17mMultiple Airlines
Deal found 12/29$907
This United Airlines deal was found by Cheapflights users on 12/29. 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.
Wed 12/316:47 pmBUF - EYW
2 stops16h 54mUnited Airlines
Sat 1/34:29 pmEYW - BUF
2 stops21h 45mUnited Airlines
Deal found 12/29$1,199
This American Airlines deal was found by Cheapflights users on 12/29. 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.
Wed 12/315:26 pmBUF - EYW
1 stop17h 17mAmerican Airlines
Sun 1/44:03 pmEYW - BUF
2 stops7h 29mAmerican Airlines
Deal found 12/29$1,528
This United Airlines deal was found by Cheapflights users on 12/29. 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.
Wed 12/317:48 pmBUF - EYW
1 stop15h 53mUnited Airlines
Sun 1/41:25 pmEYW - BUF
1 stop5h 41mUnited Airlines
Deal found 12/29$1,536

Find 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 December 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$202
(Kiwi.com)

One-way from

$129
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$422
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
Search Deals
One-way flight from Buffalo to Key West
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 30, 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

Sun 1/25

11:02 am-12:26 pm

1 stop25h 24m

Key West

Sun 2/1

12:51 pm-12:44 pm

2 stops23h 53m

$245

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Fri 1/16

8:58 pm-11:56 am

2 stops38h 58m

Key West

Fri 1/23

1:06 pm-11:34 am

1 stop22h 28m

$282

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 3/10

6:00 am-1:45 pm

1 stop7h 45m

Key West

Tue 3/17

12:06 pm-4:52 pm

1 stop4h 46m

$283

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 2/18

7:00 am-1:48 pm

1 stop6h 48m

Key West

Tue 2/24

6:34 pm-11:38 pm

1 stop5h 04m

$283

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 2/4

12:58 pm-6:01 pm

1 stop5h 03m

Key West

Wed 2/11

2:44 pm-10:40 pm

1 stop7h 56m

$283

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 1/31

11:50 am-9:47 pm

2 stops9h 57m

Key West

Sat 2/7

6:53 pm-11:53 pm

1 stop5h 00m

$288

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 3/3

8:55 am-7:15 pm

2 stops10h 20m

Key West

Tue 3/10

6:34 pm-11:38 pm

1 stop5h 04m

$288

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 1/24

6:00 am-1:23 pm

1 stop7h 23m

Key West

Sat 1/31

4:37 pm-11:53 pm

2 stops7h 16m

$291

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Fri 1/23

5:12 am-10:38 am

1 stop5h 26m

Key West

Mon 1/26

4:37 pm-11:41 pm

2 stops7h 04m

$294

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sun 3/22

9:47 pm-12:26 pm

1 stop14h 39m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 15 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-Key West flight deals on Cheapflights vs. eDreams >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?

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 December 26, 2025.

To ensure you get the cheapest price possible for a flight from Buffalo to Key West, you should look to book at least 9 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, May is the cheapest month in which you can book a flight from Buffalo to Key West (average of $199). Flying from Buffalo 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.

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 December 30, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Buffalo to Key West have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,017 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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
7.9
Good
8,017 reviews
Delta
7.9
Good
8,017 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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
9,121 reviews
Delta
7.9
Good
8,017 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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
11,073 reviews
Delta
7.9
Good
8,017 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

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.

  • How long is the flight from Buffalo to Key West?

    Departing from Buffalo to Key West will take you 7h 45m. The distance between Buffalo and Key West is about 1281 mi.

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

    United Airlines, at $183, was found to be the cheapest airline from Buffalo to Key West.Alternate airlines to your destination round-trip include Delta and American Airlines. Users have found that United Airlines is 57% cheaper than the other options available to this destination.

  • 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, May is the cheapest month in which you can book a flight from Buffalo to Key West (average of $199). Flying from Buffalo 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

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Top 3 airlines flying from Buffalo to Key West

Discover the top 3 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 December 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$413FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$444FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$289Average$471FlexibilityNo cancel feeOn-time69%

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