BUF - EYW

C$ 438 Find Cheap Flights from Buffalo to Key West – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 522
Typical prices: C$ 529-C$ 866
Delta
Wed 12/12Sun 16/12
BUF - EYW • 1 stop
Cheapest one-way flights
C$ 438
Typical prices: C$ 481-C$ 556
Delta
Tue 11/12
BUF - EYW • 1 stop
Direct flights
Not available
There are currently no direct flights between Buffalo and Key West. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
26 weeks
in advance
Our data shows that travellers who book at least 26 weeks in advance save around 50% compared to booking last minute.
Insights
Insights
When to travel
July
Cheapest • 29% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Newark (EWR)
Cheapest • Avg C$ 406 (round-trip)
Washington, D.C. Reagan-National (DCA)
Shortest trip • 5h 24m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Key West!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Buffalo to Key West (BUF-EYW)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Buffalo to Key West

Sat, 12 Dec - Wed, 16 Dec
Delta Logo
12:11 p.m. - 8:01 p.m.BUF  Buffalo-EYW Key West
7h 50m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:06 p.m. - 12:04 a.m.EYW  Key West-BUF Buffalo
5h 58m1 stop Atlanta Hartsfield-Jackson
C$ 522Delta
18 hours ago
Sat, 27 Feb - Wed, 3 Mar
Delta Logo
6:16 a.m. - 1:37 p.m.BUF  Buffalo-EYW Key West
7h 21m1 stop New York LaGuardia
Delta Logo
6:00 p.m. - 11:55 p.m.EYW  Key West-BUF Buffalo
5h 55m1 stop Atlanta Hartsfield-Jackson
C$ 522Delta
3+ days ago
Tue, 5 Jan - Sat, 9 Jan
Delta Logo
2:29 p.m. - 8:49 p.m.BUF  Buffalo-EYW Key West
6h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:35 p.m. - 9:26 p.m.EYW  Key West-BUF Buffalo
7h 51m1 stop New York LaGuardia
C$ 522Delta
1 day ago
Tue, 23 Feb - Wed, 3 Mar
Delta Logo
6:00 a.m. - 10:58 a.m.BUF  Buffalo-EYW Key West
4h 58m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 p.m. - 11:55 p.m.EYW  Key West-BUF Buffalo
5h 55m1 stop Atlanta Hartsfield-Jackson
C$ 522Delta
3+ days ago
Tue, 8 Dec - Tue, 15 Dec
Delta Logo
12:11 p.m. - 5:10 p.m.BUF  Buffalo-EYW Key West
4h 59m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:06 p.m. - 12:04 a.m.EYW  Key West-BUF Buffalo
5h 58m1 stop Atlanta Hartsfield-Jackson
C$ 522Delta
2 days ago
Wed, 24 Feb - Wed, 3 Mar
Delta Logo
12:09 p.m. - 5:11 p.m.BUF  Buffalo-EYW Key West
5h 02m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 p.m. - 11:55 p.m.EYW  Key West-BUF Buffalo
5h 55m1 stop Atlanta Hartsfield-Jackson
C$ 522Delta
3+ days ago
Tue, 23 Feb - Tue, 2 Mar
Multiple Airlines Logo
9:38 p.m. - 10:39 a.m.BUF  Buffalo-EYW Key West
13h 01m1 stop Orlando
Multiple Airlines Logo
10:59 a.m. - 8:43 p.m.EYW  Key West-BUF Buffalo
9h 44m1 stop Orlando
C$ 544Multiple Airlines
3+ days ago
Thu, 1 Apr - Wed, 7 Apr
United Airlines Logo
6:00 a.m. - 5:02 p.m.BUF  Buffalo-EYW Key West
11h 02m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
6:20 p.m. - 11:42 p.m.EYW  Key West-BUF Buffalo
5h 22m1 stop Washington, D.C. Dulles Intl
C$ 545United Airlines
3+ days ago
Sat, 27 Feb - Sat, 6 Mar
American Airlines Logo
8:04 a.m. - 3:09 p.m.BUF  Buffalo-EYW Key West
7h 05m1 stop New York LaGuardia
American Airlines Logo
5:01 p.m. - 10:24 p.m.EYW  Key West-BUF Buffalo
5h 23m1 stop Washington, D.C. Reagan-National
C$ 853American Airlines
3+ days ago
Tue, 23 Feb - Sat, 6 Mar
American Airlines Logo
12:27 p.m. - 6:02 p.m.BUF  Buffalo-EYW Key West
5h 35m1 stop Washington, D.C. Reagan-National
American Airlines Logo
5:01 p.m. - 10:24 p.m.EYW  Key West-BUF Buffalo
5h 23m1 stop Washington, D.C. Reagan-National
C$ 853American Airlines
3+ days ago
Booking Insights

Price, demand, and travel trends for Buffalo to Key West flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Buffalo to Key West?

Round-trip flights from Buffalo to Key West typically range from C$ 529 to C$ 866. The lowest price found in the past 5 days was C$ 522, on Delta.

What's the cheapest day of the week to fly from Buffalo to Key West?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Buffalo to Key West. It's 7% cheaper than the average day, while Thursday is the most expensive, with prices 34% higher.

What is the cheapest month to fly from Buffalo to Key West?

•July is the cheapest month to fly from Buffalo to Key West at C$ 450 round-trip.
•April (C$ 920) and December (C$ 771) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 104% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Buffalo to Key West the cheapest?

Flights from Buffalo to Key West are cheapest 26 weeks before departure. Booking in this window typically costs about 50% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Buffalo to Key West flights

Low season

July

Cheapest flight

C$ 438
Beat the crowds with an average 67% drop in traveller numbers.
The most popular month to fly with an average 85% increase in traveller numbers.
One-way flight from Buffalo to Key West

When to book flights from Buffalo to Key West

Are your dates flexible? Find out the best times to travel from Buffalo to Key West based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Buffalo to Key West flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Buffalo to Key West?

    Only Economy Class is available on flights from Buffalo to Key West.

  • How long does a flight from Buffalo to Key West take?

    A direct flight from Buffalo to Key West takes 00m, covering 3,318 km.

  • Do I need a passport to fly from Buffalo to Key West?

    No, a passport is not required for this domestic route, but you will need another form of identification, such as a driver's licence.

  • How much should I expect to pay for a Buffalo to Key West flight?

    Round-trip flights from Buffalo to Key West range from C$ 529 to C$ 866, with an average of C$ 634 over the past 12 months. Anything below C$ 529 counts as a good deal.

  • How expensive are last-minute Buffalo to Key West flights?

    Last-minute fares on this route (booked within two weeks of departure) run 29% above the C$ 634 route average. Book 26 weeks before departure for the lowest fares.

  • How are flight prices from Buffalo to Key West looking right now?

    One-way fares from Buffalo to Key West are currently in line with typical prices for this route. Average one-way fares are about C$ 537.

  • What car rental options are available at Key West Airport (EYW)?

    Key West Airport (EYW) hosts 5 major car rental companies, with daily rates averaging C$ 94 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Enterprise Rent-A-Car
    • Alamo

  • Which airports can I use when flying from Buffalo to Key West?

    Flights from Buffalo to Key West usually depart from Buffalo (BUF) and arrive at Key West (EYW).

  • Which airports do connecting flights from Buffalo to Key West pass through?

    One-stop flights from Buffalo to Key West most commonly connect through:

    • Charlotte Douglas (CLT) – 59% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 27% of one-stop connections
    • Washington, D.C. Reagan-National (DCA) – 6% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Buffalo to Key West?

    Yes. Flexible dates can save you up to 31% on flights from Buffalo to Key West. Wednesday is the cheapest departure day at C$ 592 round-trip on average, while Thursday is the most expensive at C$ 850, a difference of C$ 259.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport when travelling from Buffalo to Key West?

    Flying via Washington, D.C. Reagan-National (DCA) gives the shortest average 1-stop total travel time at 5h 24m, compared with 5h 34m via Washington, D.C. Dulles Intl (IAD) and 5h 40m via Charlotte Douglas (CLT).

  • Which popular places can I visit in Key West?

    Some of the most popular sights in Key West are Duval Street, U.S. Coast Guard Headquarters, Key West Station, and Ernest Hemingway Home and Museum. These are among the most viewed places in Key West on KAYAK.

Your guide to booking Buffalo to Key West flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average C$ 592, about C$ 259 less than Thursday fares (30% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 50% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Buffalo to Key West trip for July. Fares historically average C$ 450 round-trip in that month – typically C$ 470 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Key West Airport.

    • Parrot Key Hotel & Villas
    • Margaritaville Beach House Key West
    • Havana Cabana at Key West

More options for your flight from Buffalo to Key West

Complete your trip to Key West with a hotel stay or car rental

Car rentals in Key West
Hotels in Key West
Vacations in Key West