$120+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — EYW
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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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
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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 Buffalo to Key West
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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 August 21, 2026.
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 August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/112:49 pm -
1 stop21h 30m
Tue 10/61:16 pm -
2 stops23h 39m
Deal found 8/18![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/2412:49 pm -
1 stop21h 30m
Thu 10/110:59 am -
1 stop6h 46m
Deal found 8/19![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/176:47 pm -
2 stops38h 37m
Thu 9/2410:59 am -
1 stop6h 46m
Deal found 8/18![Multiple Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 8/17. 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.
Wed 9/166:05 am -
1 stop4h 41m
Wed 9/237:40 am -
1 stop7h 11m
Deal found 8/17![Delta logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 10/112:49 pm -
1 stop21h 30m
Sun 10/410:59 am -
1 stop6h 46m
Deal found 8/20![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Fri 10/301:13 pm -
2 stops20h 11m
Sun 11/110:59 am -
1 stop7h 08m
Deal found 8/17![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 10/112:49 pm -
1 stop21h 30m
Mon 10/54:33 pm -
2 stops44h 22m
Deal found 8/19![Multiple Airlines logo]()
$366
Best flights from Buffalo to Key WestDiscover 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 August 21, 2026.
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 August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sat 10/101:44 pm -
2 stops20h 35m
Thu 10/1510:59 am -
1 stop6h 53m
Deal found 8/20![Multiple Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 8/17. 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.
Wed 9/166:05 am -
1 stop4h 41m
Wed 9/237:40 am -
1 stop7h 11m
Deal found 8/17![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 11/15:18 am -
1 stop7h 11m
Sat 11/71:41 pm -
2 stops6h 44m
Deal found 8/20![American Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 10/16:47 pm -
2 stops15h 32m
Sun 10/410:59 am -
1 stop6h 46m
Deal found 8/20![Multiple Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 8/19. 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.
Sun 11/112:21 pm -
1 stop7h 40m
Sat 11/76:11 pm -
1 stop5h 48m
Deal found 8/19![Delta logo]()
$431
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 10/1011:38 am -
1 stop7h 11m
Thu 10/1512:48 pm -
1 stop6h 15m
Deal found 8/20![American Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 8/18. 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.
Thu 10/112:17 pm -
1 stop7h 43m
Tue 10/66:10 pm -
1 stop5h 49m
Deal found 8/18![Delta logo]()
$496
This Delta deal was found by Cheapflights users on 8/19. 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.
Fri 8/286:05 am -
1 stop6h 55m
Tue 9/16:15 pm -
1 stop5h 44m
Deal found 8/19![Delta logo]()
$516
Last-minute flights from Buffalo to Key WestDiscover last-minute flight deals from Buffalo to Key West. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Key West. Data last updated August 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 8/2710:09 am -
1 stop24h 18m
Mon 8/3112:07 pm -
2 stops22h 22m
Deal found 8/17![Multiple Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 8/17. 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.
Wed 9/166:05 am -
1 stop4h 41m
Wed 9/237:40 am -
1 stop7h 11m
Deal found 8/17![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/166:30 am -
1 stop6h 41m
Wed 9/232:15 pm -
1 stop7h 32m
Deal found 8/18![American Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/176:47 pm -
2 stops38h 37m
Thu 9/2410:59 am -
1 stop6h 46m
Deal found 8/18![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/1712:49 pm -
1 stop21h 30m
Sun 9/2010:59 am -
1 stop6h 46m
Deal found 8/18![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/2412:49 pm -
1 stop21h 30m
Thu 10/110:59 am -
1 stop6h 46m
Deal found 8/19![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/2412:49 pm -
1 stop21h 30m
Sun 9/2712:01 pm -
2 stops24h 54m
Deal found 8/20![Multiple Airlines logo]()
$423
One-way flights from Buffalo to Key WestSearch for one-way flight options from Buffalo to Key West. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Buffalo to Key West. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 11/112:54 pm -
1 stop19h 50m
Deal found 8/20![Multiple Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Fri 10/301:13 pm -
2 stops20h 11m
Deal found 8/16![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 10/812:53 pm -
3 stops44h 31m
Deal found 8/20![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Mon 9/281:40 pm -
3 stops43h 44m
Deal found 8/18![Multiple Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 8/17. 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 11/256:00 am -
1 stop6h 03m
Deal found 8/17![American Airlines logo]()
$273
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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $275 (Kiwi.com) |
One-way from | $120 (Kiwi.com) |
Popular in | April |
Cheapest in | July |
Average price | $422 |
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 7,457,451 searches. Data last updated August 21, 2026.
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
Cheapest round-trip
BuffaloKey West
BUF Buffalo - EYW Key West
BUFEYW
Buffalo
Sat 10/10
1:44 pm-10:19 am
2 stops20h 35m
Key West
Thu 10/15
10:59 am-5:52 pm
1 stop6h 53m
$301
Quickest round-trip
BuffaloKey West
BUF Buffalo - EYW Key West
BUFEYW
Buffalo
Wed 9/16
6:05 am-10:46 am
1 stop4h 41m
Key West
Wed 9/23
7:40 am-2:51 pm
1 stop7h 11m
$333
BuffaloKey West
BUF Buffalo - EYW Key West
BUFEYW
Buffalo
Thu 10/1
6:47 pm-10:19 am
2 stops15h 32m
Key West
Sun 10/4
10:59 am-5:45 pm
1 stop6h 46m
$413
BuffaloKey West
BUF Buffalo - EYW Key West
BUFEYW
Buffalo
Sun 11/1
12:21 pm-8:01 pm
1 stop7h 40m
Key West
Sat 11/7
6:11 pm-11:59 pm
1 stop5h 48m
$431
BuffaloKey West
BUF Buffalo - EYW Key West
BUFEYW
Buffalo
Thu 10/1
12:17 pm-8:00 pm
1 stop7h 43m
Key West
Tue 10/6
6:10 pm-11:59 pm
1 stop5h 49m
$496
BuffaloKey West
BUF Buffalo - EYW Key West
BUFEYW
Buffalo
Fri 8/28
6:05 am-1:00 pm
1 stop6h 55m
Key West
Tue 9/1
6:15 pm-11:59 pm
1 stop5h 44m
$516
BuffaloKey West
BUF Buffalo - EYW Key West
BUFEYW
Buffalo
Sun 11/1
5:18 am-12:29 pm
1 stop7h 11m
Key West
Sat 11/7
1:41 pm-8:25 pm
2 stops6h 44m
$520
BuffaloKey West
BUF Buffalo - EYW Key West
BUFEYW
Buffalo
Sat 10/10
11:38 am-6:49 pm
1 stop7h 11m
Key West
Thu 10/15
12:48 pm-7:03 pm
1 stop6h 15m
$537
Cheapest one-way
BuffaloKey West
BUF Buffalo - EYW Key West
BUFEYW
Buffalo
Sun 11/1
6:47 pm-8:44 am
2 stops13h 57m
$213
BuffaloKey West
BUF Buffalo - EYW Key West
BUFEYW
Buffalo
Thu 10/8
12:53 pm-9:24 am
3 stops44h 31m
$223
Showing 1-10 of 15 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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 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 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.
BUF-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.
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 83 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, July is the cheapest month in which you can book a flight from Buffalo to Key West (average of $322). Flying from Buffalo to Key West in April is currently the most expensive (average of $658). 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.
How much does it cost to fly round-trip from Buffalo to Key West?
Airfare is below average for this route at the moment.
Buffalo to Key West flights typically cost between $385 and $511 in October.The cheapest round-trip price found within the last 5 days was $275 on Multiple Airlines (Oct 1-Oct 6).
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 August 21, 2026.
See what other customers who have flown with Delta 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.
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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.
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Complete your trip
Complete your trip to Key West by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Buffalo to Key West, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Key West
Explore flights to Key West departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Buffalo and Key West flights
Browse other Buffalo and Key West flight options. Last updated on August 21, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Buffalo to Key West
Discover the top 2 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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$282 | Average$453 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$285 | Average$474 | FlexibilityNo cancel fee | On-timeN/A |