BUF - EYW

C$ 395 Find Cheap Flights from Buffalo to Key West – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 538
Typical prices: C$ 511-C$ 823
Delta
Sat 13/10Wed 17/10
BUF - EYW • 1 stop
Cheapest one-way flights
C$ 395
Typical prices: C$ 472-C$ 554
Delta
Sat 20/10
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 48% compared to booking last minute.
Insights
Insights
When to travel
July
Cheapest • 28% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
New York LaGuardia (LGA)
Cheapest • Avg C$ 479 (round-trip)
Washington, D.C. Reagan-National (DCA)
Shortest trip • 5h 19m (one-way)
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Insights
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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

Tue, 13 Oct - Sat, 17 Oct
Delta Logo
6:00 a.m. - 10:47 a.m.BUF  Buffalo-EYW Key West
4h 47m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:11 p.m. - 11:59 p.m.EYW  Key West-BUF Buffalo
5h 48m1 stop Atlanta Hartsfield-Jackson
C$ 538Delta
Sat, 9 Jan - Thu, 14 Jan
Delta Logo
2:10 p.m. - 7:43 p.m.BUF  Buffalo-EYW Key West
5h 33m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:45 a.m. - 5:31 p.m.EYW  Key West-BUF Buffalo
5h 46m1 stop Atlanta Hartsfield-Jackson
C$ 583Delta
Thu, 7 Jan - Tue, 12 Jan
Delta Logo
12:09 p.m. - 7:43 p.m.BUF  Buffalo-EYW Key West
7h 34m1 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$ 583Delta
Fri, 8 Jan - Tue, 12 Jan
Delta Logo
6:00 a.m. - 1:08 p.m.BUF  Buffalo-EYW Key West
7h 08m1 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$ 583Delta
Tue, 16 Feb - Fri, 26 Feb
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$ 583Delta
Sun, 1 Nov - Sat, 7 Nov
Delta Logo
12:21 p.m. - 8:01 p.m.BUF  Buffalo-EYW Key West
7h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:11 p.m. - 11:59 p.m.EYW  Key West-BUF Buffalo
5h 48m1 stop Atlanta Hartsfield-Jackson
C$ 629Delta
Sun, 1 Nov - Sat, 7 Nov
Delta Logo
6:00 a.m. - 10:47 a.m.BUF  Buffalo-EYW Key West
4h 47m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:11 p.m. - 11:59 p.m.EYW  Key West-BUF Buffalo
5h 48m1 stop Atlanta Hartsfield-Jackson
C$ 643Delta
Tue, 2 Mar - Tue, 9 Mar
United Airlines Logo
6:00 a.m. - 4:36 p.m.BUF  Buffalo-EYW Key West
10h 36m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
2:30 p.m. - 10:37 p.m.EYW  Key West-BUF Buffalo
8h 07m1 stop Newark
C$ 660United Airlines
Fri, 26 Feb - Fri, 5 Mar
Delta Logo
12:09 p.m. - 7:43 p.m.BUF  Buffalo-EYW Key West
7h 34m1 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$ 674Delta
Thu, 7 Jan - Mon, 11 Jan
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$ 674Delta
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 from Buffalo to Key West with more confidence.

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

Round-trip flights from Buffalo to Key West start at C$ 538. Prices are typical for this route right now, with typical round-trip fares ranging from C$ 511 to C$ 823. The lowest price found in the past 5 days was C$ 538 on Delta.

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

Friday is the cheapest day of the week to fly from Buffalo to Key West and is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 33% higher than average. Based on deals found by KAYAK users in the last 12 months.

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$ 449 round-trip.
•April (C$ 918) and December (C$ 747) 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 prices 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 48% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Buffalo to Key West flights

Low season

July

Cheapest flight

C$ 395
Best time to beat the crowds (28% less expensive on average)
Most popular time to fly and prices are also 3% lower on average.
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

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

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

  • 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) – 62% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 26% of one-stop connections
    • Washington, D.C. Reagan-National (DCA) – 3% of one-stop connections
    • Philadelphia (PHL) – 3% of one-stop connections

    Charlotte Douglas (CLT) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 32% on the Buffalo to Key West route. Friday is the cheapest departure day at C$ 566 round-trip on average, while Sunday is the most expensive at C$ 830, a difference of C$ 264. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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.

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

    Last-minute fares on this route – booked within 2 weeks of departure – run 25% above the route average of C$ 623. Book 26 weeks before departure for the lowest fares.

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

    A direct flight from Buffalo to Key West takes 0h 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 a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Buffalo to Key West changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 538 to C$ 2,650. That means the highest observed fare was about 5x higher than the lowest one.

  • 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$ 493.

  • 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 19m, compared with 5h 33m via Charlotte Douglas (CLT) and 5h 34m via Washington, D.C. Dulles Intl (IAD).

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

    Key West Airport (EYW) hosts 5 major car rental companies, with daily rates starting from around C$ 40 for economy cars. Top options include:
    • Dollar
    • Hertz
    • Budget
    • Enterprise Rent-A-Car
    • Alamo

  • 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$ 511 to C$ 823, with an average of C$ 623 over the past 12 months. Anything below C$ 511 counts as a good deal.

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 Friday departure instead of Sunday. On this route, Friday flights average C$ 566 – about C$ 264 less than Sunday (32% 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 48% 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$ 449 round-trip in that month – typically C$ 469 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.
    - Havana Cabana at Key West
    - Parrot Key Hotel & Villas
    - Fairfield Inn & Suites by Marriott Key West at The Keys Collection

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