$204+ Cheap flights from Key West to Buffalo (EYW - BUF)
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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — BUF
Oct 19 — Oct 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Key West to Buffalo 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 Key West to Buffalo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Key West to BuffaloExplore the most affordable flight options available from Key West to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
Explore the most affordable flight options available from Key West to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/192:54 pm -
1 stop27h 02m
Sat 10/241:44 pm -
2 stops22h 54m
Deal found 9/15![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 11/31:16 pm -
2 stops23h 59m
Sun 11/812:54 pm -
1 stop19h 36m
Deal found 9/16![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/192:54 pm -
1 stop27h 02m
Fri 10/231:44 pm -
2 stops19h 40m
Deal found 9/15![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/201:16 pm -
2 stops23h 43m
Sun 10/2512:53 pm -
1 stop19h 51m
Deal found 9/15![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 11/512:01 pm -
2 stops25h 02m
Sun 11/812:54 pm -
1 stop19h 36m
Deal found 9/16![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/192:54 pm -
1 stop27h 02m
Wed 10/282:00 pm -
2 stops41h 39m
Deal found 9/15![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 11/31:16 pm -
2 stops23h 59m
Thu 11/1212:54 pm -
1 stop18h 41m
Deal found 9/15![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 11/510:59 am -
1 stop6h 53m
Wed 11/112:00 pm -
2 stops21h 21m
Deal found 9/16![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/61:16 pm -
2 stops23h 39m
Sun 10/1112:53 pm -
1 stop25h 11m
Deal found 9/15![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1612:59 pm -
2 stops24h 00m
Thu 10/2212:53 pm -
1 stop21h 26m
Deal found 9/15![Multiple Airlines logo]()
$284
Best flights from Key West to BuffaloDiscover carefully curated flight deals from Key West to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
Discover carefully curated flight deals from Key West to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:00 pm -
1 stop7h 59m
Wed 11/116:00 am -
1 stop4h 48m
Deal found 9/16![Delta logo]()
$406
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:50 pm -
1 stop8h 09m
Wed 11/116:00 am -
1 stop7h 52m
Deal found 9/16![United Airlines logo]()
$443
This deal was found by Cheapflights users on 9/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 pm -
1 stop4h 59m
Sun 11/86:00 am -
1 stop7h 46m
Deal found 9/18![American Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:11 pm -
1 stop5h 48m
Wed 11/116:00 am -
1 stop4h 48m
Deal found 9/16![Delta logo]()
$439
This deal was found by Cheapflights users on 9/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:11 pm -
1 stop5h 48m
Wed 11/116:00 am -
1 stop4h 48m
Deal found 9/18![Delta logo]()
$471
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:50 pm -
3 stops29h 46m
Tue 11/106:00 am -
1 stop7h 52m
Deal found 9/16![United Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:11 pm -
1 stop5h 48m
Tue 11/106:00 am -
1 stop4h 48m
Deal found 9/16![Delta logo]()
$506
This Delta deal was found by Cheapflights users on 9/15. 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 10/156:10 pm -
2 stops16h 28m
Tue 10/206:00 am -
1 stop4h 47m
Deal found 9/15![Delta logo]()
$545
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:11 pm -
1 stop5h 48m
Thu 11/126:00 am -
2 stops14h 00m
Deal found 9/16![Delta logo]()
$570
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:11 pm -
1 stop5h 48m
Sat 11/76:00 am -
2 stops14h 01m
Deal found 9/16![Delta logo]()
$610
Last-minute flights from Key West to BuffaloDiscover last-minute flight deals from Key West to Buffalo. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Key West to Buffalo. Data last updated September 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/61:16 pm -
2 stops23h 39m
Sun 10/1112:53 pm -
1 stop25h 11m
Deal found 9/15![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/61:16 pm -
2 stops23h 39m
Thu 10/1512:53 pm -
1 stop21h 26m
Deal found 9/15![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/131:16 pm -
2 stops23h 43m
Sun 10/1812:53 pm -
1 stop25h 11m
Deal found 9/15![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1510:59 am -
1 stop6h 53m
Wed 10/211:44 pm -
2 stops20h 35m
Deal found 9/15![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/158:45 pm -
2 stops16h 14m
Sun 10/1812:53 pm -
1 stop25h 11m
Deal found 9/15![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1612:59 pm -
2 stops24h 00m
Thu 10/2212:53 pm -
1 stop21h 26m
Deal found 9/15![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/1810:59 am -
1 stop6h 53m
Wed 10/211:44 pm -
2 stops20h 35m
Deal found 9/15![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/192:54 pm -
1 stop27h 02m
Sat 10/241:44 pm -
2 stops22h 54m
Deal found 9/15![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/192:54 pm -
1 stop27h 02m
Fri 10/231:44 pm -
2 stops19h 40m
Deal found 9/15![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/192:54 pm -
1 stop27h 02m
Wed 10/282:00 pm -
2 stops41h 39m
Deal found 9/15![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/201:16 pm -
2 stops23h 43m
Sun 10/2512:53 pm -
1 stop19h 51m
Deal found 9/15![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/2210:59 am -
1 stop6h 53m
Sat 10/241:44 pm -
2 stops22h 54m
Deal found 9/15![Multiple Airlines logo]()
$289
One-way flights from Key West to BuffaloSearch for one-way flight options from Key West to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
Search for one-way flight options from Key West to Buffalo. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Sun 11/2210:59 am -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sun 10/1110:59 am -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/3110:04 am -
3 stops32h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Wed 1/66:44 pm -
3 stops47h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Fri 3/510:59 am -
1 stop9h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/18. 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 1/65:32 pm -
1 stop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 9/17. 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.
Fri 3/56:00 pm -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$303
Find flight deals from Key West to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to Buffalo (BUF). 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 September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Kiwi.com) |
One-way from | $204 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Key West to Buffalo 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 September 19, 2026.
Use the filters below to find and compare flights from Key West to Buffalo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Sat 10/31
10:04 am-12:59 pm
2 stops26h 55m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$230
Quickest round-trip
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Wed 1/6
5:32 pm-10:52 pm
1 stop5h 20m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$283
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Fri 3/5
6:00 pm-11:55 pm
1 stop5h 55m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$303
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Sun 1/3
3:10 pm-4:46 pm
1 stop25h 36m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$309
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Fri 3/5
4:40 pm-11:50 pm
1 stop7h 10m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$323
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Wed 11/4
4:00 pm-11:59 pm
1 stop7h 59m
Buffalo
Wed 11/11
6:00 am-10:48 am
1 stop4h 48m
$406
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Sat 11/7
6:11 pm-11:59 pm
1 stop5h 48m
Buffalo
Wed 11/11
6:00 am-10:48 am
1 stop4h 48m
$439
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Tue 11/3
2:50 pm-10:59 pm
1 stop8h 09m
Buffalo
Wed 11/11
6:00 am-1:52 pm
1 stop7h 52m
$443
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Fri 11/6
6:11 pm-11:59 pm
1 stop5h 48m
Buffalo
Wed 11/11
6:00 am-10:48 am
1 stop4h 48m
$471
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Mon 11/2
6:11 pm-11:59 pm
1 stop5h 48m
Buffalo
Tue 11/10
6:00 am-10:48 am
1 stop4h 48m
$506
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Key West to Buffalo
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 Key West to Buffalo in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Key West-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Key West-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Key West-Buffalo 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 Key West-Buffalo 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 Key West to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Key West with our price prediction graph.
EYW-BUF
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.
Reviews of airlines servicing Buffalo
Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated September 19, 2026.
Read reviews from past customers who have flown Delta from Key West to Buffalo. 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.
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
2.0
MediocreChristopher,Aug 2023
JFK - BUF
Food
7.2
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
2.0
MediocreChristopher,Aug 2023
JFK - BUF
Related info for your journey
Find useful and relevant information for your journey from Key West to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsCheektowaga
Lockport
Amherst
Williamsville
Orchard Park
Eden
Bowmansville
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
Buffalo flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Key West
Popular flights
Alternative routes for Key West to Buffalo
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buffalo
Explore flights to Buffalo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 19, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Key West to Buffalo by cabin class
Find flights from Key West to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Key West and Buffalo flights
Browse other Key West and Buffalo flight options. Last updated on September 19, 2026.
Other flights from Key West
Browse through other flights departing from Key West. Flights are based on user searches made on Cheapflights and were last updated on September 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Key West to Buffalo
Discover the top airline that operate flights from Key West to Buffalo. 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 September 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$322 | Average$373 | FlexibilityNo cancel fee | On-timeN/A |