$94+ Cheap flights from Key West to Buffalo (EYW - BUF)
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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — BUF
Apr 26 — May 31
Round-trip
1 adult, Economy
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Find cheap flights from Key West to Buffalo with Cheapflights
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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 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 March 27, 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 March 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/169:46 am
EYW
- BUF
1 stop24h 11m
Multiple Airlines
Mon 4/2012:32 pm
BUF
- EYW
2 stops23h 49m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 6/1812:05 pm
EYW
- BUF
1 stop7h 02m
Multiple Airlines
Tue 6/2311:35 am
BUF
- EYW
2 stops23h 31m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/241:06 pm
EYW
- BUF
1 stop21h 43m
Multiple Airlines
Fri 5/112:18 pm
BUF
- EYW
2 stops46h 03m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/166:22 pm
EYW
- BUF
1 stop5h 28m
United Airlines
Mon 4/2010:35 am
BUF
- EYW
1 stop6h 07m
United Airlines
Deal found 3/25![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 4/163:58 pm
EYW
- BUF
2 stops7h 49m
American Airlines
Mon 4/206:00 am
BUF
- EYW
2 stops10h 30m
American Airlines
Deal found 3/25![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/246:22 pm
EYW
- BUF
1 stop5h 28m
United Airlines
Fri 5/17:00 am
BUF
- EYW
1 stop8h 07m
United Airlines
Deal found 3/27![United Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 6/184:44 pm
EYW
- BUF
1 stop5h 52m
American Airlines
Tue 6/231:45 pm
BUF
- EYW
1 stop5h 04m
American Airlines
Deal found 3/26![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 4/243:58 pm
EYW
- BUF
2 stops7h 49m
American Airlines
Fri 5/11:45 pm
BUF
- EYW
2 stops9h 13m
American Airlines
Deal found 3/27![American Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 3/25. 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 7/41:01 pm
EYW
- BUF
1 stop5h 44m
American Airlines
Thu 7/91:46 pm
BUF
- EYW
1 stop5h 01m
American Airlines
Deal found 3/25![American Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 7/612:07 pm
EYW
- BUF
2 stops22h 33m
Multiple Airlines
Thu 7/98:57 pm
BUF
- EYW
1 stop14h 30m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 3/25. 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 7/71:01 pm
EYW
- BUF
1 stop5h 43m
American Airlines
Sat 7/111:46 pm
BUF
- EYW
1 stop5h 01m
American Airlines
Deal found 3/25![American Airlines logo]()
$479
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 March 27, 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 March 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/169:46 am
EYW
- BUF
1 stop24h 11m
Multiple Airlines
Mon 4/2012:32 pm
BUF
- EYW
2 stops23h 49m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/166:22 pm
EYW
- BUF
1 stop5h 28m
United Airlines
Mon 4/2010:35 am
BUF
- EYW
1 stop6h 07m
United Airlines
Deal found 3/25![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 4/163:58 pm
EYW
- BUF
2 stops7h 49m
American Airlines
Mon 4/206:00 am
BUF
- EYW
2 stops10h 30m
American Airlines
Deal found 3/25![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 3/24. 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 5/16:23 pm
EYW
- BUF
1 stop5h 14m
Delta
Tue 5/512:09 pm
BUF
- EYW
1 stop7h 31m
Delta
Deal found 3/24![Delta logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 6/1812:05 pm
EYW
- BUF
1 stop7h 02m
Multiple Airlines
Tue 6/2311:35 am
BUF
- EYW
2 stops23h 31m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/241:06 pm
EYW
- BUF
1 stop21h 43m
Multiple Airlines
Fri 5/112:18 pm
BUF
- EYW
2 stops46h 03m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/246:22 pm
EYW
- BUF
1 stop5h 28m
United Airlines
Fri 5/17:00 am
BUF
- EYW
1 stop8h 07m
United Airlines
Deal found 3/27![United Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 6/184:44 pm
EYW
- BUF
1 stop5h 52m
American Airlines
Tue 6/231:45 pm
BUF
- EYW
1 stop5h 04m
American Airlines
Deal found 3/26![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 4/243:58 pm
EYW
- BUF
2 stops7h 49m
American Airlines
Fri 5/11:45 pm
BUF
- EYW
2 stops9h 13m
American Airlines
Deal found 3/27![American Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/296:22 pm
EYW
- BUF
1 stop5h 30m
United Airlines
Sun 5/37:00 am
BUF
- EYW
1 stop8h 07m
United Airlines
Deal found 3/22![United Airlines logo]()
$518
This American Airlines deal was found by Cheapflights users on 3/25. 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 7/41:01 pm
EYW
- BUF
1 stop5h 44m
American Airlines
Thu 7/910:44 am
BUF
- EYW
2 stops8h 03m
American Airlines
Deal found 3/25![American Airlines logo]()
$501
Last-minute flights from Key West to BuffaloDiscover last-minute flight deals from Key West to Buffalo. Data last updated March 27, 2026 and is based on user searches.
Discover last-minute flight deals from Key West to Buffalo. Data last updated March 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/169:46 am
EYW
- BUF
1 stop24h 11m
Multiple Airlines
Mon 4/2012:32 pm
BUF
- EYW
2 stops23h 49m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/166:22 pm
EYW
- BUF
1 stop5h 28m
United Airlines
Mon 4/2010:35 am
BUF
- EYW
1 stop6h 07m
United Airlines
Deal found 3/25![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 4/163:58 pm
EYW
- BUF
2 stops7h 49m
American Airlines
Mon 4/206:00 am
BUF
- EYW
2 stops10h 30m
American Airlines
Deal found 3/25![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/241:06 pm
EYW
- BUF
1 stop21h 43m
Multiple Airlines
Fri 5/112:18 pm
BUF
- EYW
2 stops46h 03m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/246:22 pm
EYW
- BUF
1 stop5h 28m
United Airlines
Fri 5/17:00 am
BUF
- EYW
1 stop8h 07m
United Airlines
Deal found 3/27![United Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 4/243:58 pm
EYW
- BUF
2 stops7h 49m
American Airlines
Fri 5/11:45 pm
BUF
- EYW
2 stops9h 13m
American Airlines
Deal found 3/27![American Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/296:22 pm
EYW
- BUF
1 stop5h 30m
United Airlines
Sun 5/37:00 am
BUF
- EYW
1 stop8h 07m
United Airlines
Deal found 3/22![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/304:47 pm
EYW
- BUF
2 stops31h 08m
United Airlines
Mon 5/47:00 am
BUF
- EYW
1 stop8h 07m
United Airlines
Deal found 3/25![United Airlines logo]()
$604
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 March 27, 2026.
Search for one-way flight options from Key West to Buffalo. Find affordable one-way fares based on user searches. Data last updated March 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/234:38 pm
EYW
- BUF
1 stop17h 29m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 5/2711:46 am
EYW
- BUF
2 stops22h 55m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/811:51 am
EYW
- BUF
1 stop7h 08m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/71:01 pm
EYW
- BUF
2 stops22h 32m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$155
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 March 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Kiwi.com) |
One-way from | $94 (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 2,558,603 searches. Data last updated March 27, 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 - BUF
EYWBUF
Key West
Thu 4/16
9:46 am-9:57 am
1 stop24h 11m
Buffalo
Mon 4/20
12:32 pm-12:21 pm
2 stops23h 49m
$307
Key WestBuffalo
EYW - BUF
EYWBUF
Key West
Thu 6/18
12:05 pm-7:07 pm
1 stop7h 02m
Buffalo
Tue 6/23
11:35 am-11:06 am
2 stops23h 31m
$319
Key WestBuffalo
EYW - BUF
EYWBUF
Key West
Fri 4/24
1:06 pm-10:49 am
1 stop21h 43m
Buffalo
Fri 5/1
12:18 pm-10:21 am
2 stops46h 03m
$331
Key WestBuffalo
EYW - BUF
EYWBUF
Key West
Thu 4/16
6:22 pm-11:50 pm
1 stop5h 28m
Buffalo
Mon 4/20
10:35 am-4:42 pm
1 stop6h 07m
$349
Key WestBuffalo
EYW - BUF
EYWBUF
Key West
Thu 4/16
3:58 pm-11:47 pm
2 stops7h 49m
Buffalo
Mon 4/20
6:00 am-4:30 pm
2 stops10h 30m
$359
Key WestBuffalo
EYW - BUF
EYWBUF
Key West
Fri 4/24
6:22 pm-11:50 pm
1 stop5h 28m
Buffalo
Fri 5/1
7:00 am-3:07 pm
1 stop8h 07m
$367
Quickest round-trip
Key WestBuffalo
EYW - BUF
EYWBUF
Key West
Thu 6/18
4:44 pm-10:36 pm
1 stop5h 52m
Buffalo
Tue 6/23
1:45 pm-6:49 pm
1 stop5h 04m
$378
Key WestBuffalo
EYW - BUF
EYWBUF
Key West
Fri 4/24
3:58 pm-11:47 pm
2 stops7h 49m
Buffalo
Fri 5/1
1:45 pm-10:58 pm
2 stops9h 13m
$401
Key WestBuffalo
EYW - BUF
EYWBUF
Key West
Sat 7/4
1:01 pm-6:45 pm
1 stop5h 44m
Buffalo
Thu 7/9
10:44 am-6:47 pm
2 stops8h 03m
$501
Key WestBuffalo
EYW - BUF
EYWBUF
Key West
Wed 4/29
6:22 pm-11:52 pm
1 stop5h 30m
Buffalo
Sun 5/3
7:00 am-3:07 pm
1 stop8h 07m
$518
Showing 1-10 of 20 resultsSorted by cheapest first
- 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 March 27, 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.
Entertainment
7.8
Comfort
7.9
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Entertainment
7.8
Comfort
7.9
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
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 locationsLockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca
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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 March 27, 2026.
Complete your trip
Complete your trip to Buffalo by adding a car rental and/or hotel reservation to your travel itinerary.
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Key West and Buffalo flights
Browse other Key West and Buffalo flight options. Last updated on March 27, 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 March 27, 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 2,558,603 searches. Data last updated March 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$259 | Average$393 | FlexibilityNo cancel fee | On-timeN/A |