$171+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — BUF
Nov 2 — Nov 91
Round-trip
1 adult, Economy
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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
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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 October 3, 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 October 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 11/812:39 pm -
1 stop19h 51m
Deal found 10/2![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 11/128:02 pm -
1 stop11h 33m
Deal found 10/2![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 11/412:54 pm -
2 stops42h 13m
Sun 11/812:39 pm -
1 stop19h 51m
Deal found 10/2![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 12/2212:01 pm -
1 stop28h 45m
Fri 1/87:07 pm -
2 stops40h 19m
Deal found 10/1![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 10/2![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 12/2010:59 am -
1 stop23h 44m
Fri 1/87:07 pm -
2 stops40h 19m
Deal found 10/1![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 12/2410:59 am -
1 stop7h 47m
Fri 1/87:07 pm -
2 stops40h 19m
Deal found 10/1![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Thu 10/2212:01 pm -
2 stops24h 58m
Sun 10/2512:53 pm -
1 stop21h 26m
Deal found 9/29![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 stops19h 06m
Sun 11/812:39 pm -
1 stop19h 51m
Deal found 10/2![Multiple Airlines logo]()
$334
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 October 3, 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 October 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Thu 10/2210:59 am -
1 stop6h 53m
Sun 10/2512:53 pm -
1 stop21h 26m
Deal found 9/29![Multiple Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 10/2. 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 12/216:20 pm -
1 stop5h 35m
Wed 1/66:00 am -
1 stop4h 58m
Deal found 10/2![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 12/203:50 pm -
2 stops17h 55m
Fri 1/86:00 am -
2 stops11h 10m
Deal found 10/1![United Airlines logo]()
$653
This Delta deal was found by Cheapflights users on 10/2. 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 12/216:20 pm -
1 stop5h 35m
Tue 1/56:16 am -
1 stop7h 21m
Deal found 10/2![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 10/2. 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 12/2311:48 am -
1 stop6h 06m
Tue 1/56:00 am -
1 stop4h 58m
Deal found 10/2![Delta logo]()
$456
This Delta deal was found by Cheapflights users on 10/2. 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
Mon 11/912:16 pm -
1 stop7h 44m
Deal found 10/2![Delta logo]()
$483
This Delta deal was found by Cheapflights users on 10/1. 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 12/196:20 pm -
1 stop5h 35m
Wed 1/66:00 am -
1 stop4h 58m
Deal found 10/1![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 12/244:04 pm -
2 stops24h 00m
Fri 1/86:00 am -
2 stops11h 10m
Deal found 10/1![United Airlines logo]()
$658
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Mon 12/213:50 pm -
2 stops27h 15m
Fri 1/86:00 am -
2 stops11h 10m
Deal found 10/1![United Airlines logo]()
$724
This Delta deal was found by Cheapflights users on 10/2. 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 12/186:06 pm -
1 stop5h 58m
Thu 1/76:00 am -
1 stop4h 58m
Deal found 10/2![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:15 pm -
2 stops33h 35m
Tue 10/276:00 am -
1 stop7h 54m
Deal found 9/28![United Airlines logo]()
$884
Last-minute flights from Key West to BuffaloDiscover last-minute flight deals from Key West to Buffalo. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Key West to Buffalo. Data last updated October 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Thu 10/2212:01 pm -
2 stops24h 58m
Sun 10/2512:53 pm -
1 stop21h 26m
Deal found 9/29![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 11/812:39 pm -
1 stop19h 51m
Deal found 10/2![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 11/128:02 pm -
1 stop11h 33m
Deal found 10/2![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 11/412:54 pm -
2 stops42h 13m
Sun 11/812:39 pm -
1 stop19h 51m
Deal found 10/2![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 11/411:22 am -
1 stop24h 22m
Wed 11/112:00 pm -
2 stops21h 21m
Deal found 10/2![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 10/2![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 stops19h 06m
Sun 11/812:39 pm -
1 stop19h 51m
Deal found 10/2![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 stops19h 06m
Thu 11/128:02 pm -
1 stop11h 33m
Deal found 10/2![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 10/2. 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
Fri 11/68:02 am -
2 stops25h 22m
Deal found 10/2![Multiple Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Thu 11/52:50 pm -
1 stop8h 09m
Mon 11/96:00 am -
1 stop7h 52m
Deal found 10/2![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 10/2. 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
Tue 11/106:00 am -
1 stop4h 48m
Deal found 10/2![Delta logo]()
$353
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 October 3, 2026.
Search for one-way flight options from Key West to Buffalo. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 2/1812:06 pm -
2 stops30h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Fri 3/510:59 am -
1 stop9h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/30. 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 9/30![Delta logo]()
$303
This KAYAK deal was found by Cheapflights users on 9/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:45 pm -
1 stop6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![JetBlue logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 12/191:35 pm -
1 stop5h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Sun 1/310:59 am -
1 stop23h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$340
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 October 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Kiwi.com) |
One-way from | $171 (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 October 3, 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
Thu 2/18
12:06 pm-6:12 pm
2 stops30h 06m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$171
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
Quickest round-trip
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Sat 12/19
1:35 pm-7:05 pm
1 stop5h 30m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$339
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Sun 1/3
10:59 am-10:43 am
1 stop23h 44m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$340
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Fri 3/5
12:59 pm-8:43 pm
3 stops31h 44m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$350
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Thu 10/22
10:59 am-5:52 pm
1 stop6h 53m
Buffalo
Sun 10/25
12:53 pm-10:19 am
1 stop21h 26m
$379
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Mon 12/21
6:20 pm-11:55 pm
1 stop5h 35m
Buffalo
Wed 1/6
6:00 am-10:58 am
1 stop4h 58m
$418
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Mon 12/21
6:20 pm-11:55 pm
1 stop5h 35m
Buffalo
Tue 1/5
6:16 am-1:37 pm
1 stop7h 21m
$418
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Fri 3/5
7:45 am-3:52 pm
2 stops8h 07m
Buffalo
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$435
Key WestBuffalo
EYW Key West - BUF Buffalo
EYWBUF
Key West
Wed 12/23
11:48 am-5:54 pm
1 stop6h 06m
Buffalo
Tue 1/5
6:00 am-10:58 am
1 stop4h 58m
$456
Showing 1-10 of 17 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 October.
| 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 October 3, 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
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
2.0
MediocreChristopher,Aug 2023
JFK - BUF
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Entertainment
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.
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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 October 3, 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 October 3, 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 October 3, 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 October 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$322 | Average$373 | FlexibilityNo cancel fee | On-timeN/A |