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Cheap flights from Buffalo to Key West from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Key West departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Buffalo to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:47 pm - 12:26 pm
BUF
-
EYW
14h 39m
1 stop
Multiple Airlines Logo
9:46 am - 10:49 am
EYW
-
BUF
25h 03m
1 stop
$225Multiple Airlines
Sun, Mar 22 - Thu, Mar 26
American Airlines Logo
7:00 am - 1:27 pm
BUF
-
EYW
6h 27m
1 stop
American Airlines Logo
1:57 pm - 10:04 pm
EYW
-
BUF
8h 07m
1 stop
$283American Airlines
Wed, May 13 - Wed, May 20
American Airlines Logo
5:30 am - 12:17 pm
BUF
-
EYW
6h 47m
1 stop
American Airlines Logo
5:04 pm - 10:45 pm
EYW
-
BUF
5h 41m
1 stop
$286American Airlines
Mon, Mar 9 - Wed, Mar 18
American Airlines Logo
1:45 pm - 10:58 pm
BUF
-
EYW
9h 13m
2 stops
American Airlines Logo
4:20 pm - 11:50 pm
EYW
-
BUF
7h 30m
1 stop
$288American Airlines
Wed, May 13 - Wed, May 20
American Airlines Logo
5:30 am - 1:45 pm
BUF
-
EYW
8h 15m
1 stop
American Airlines Logo
3:56 pm - 11:50 pm
EYW
-
BUF
7h 54m
2 stops
$291American Airlines
Mon, Mar 9 - Wed, Mar 18
American Airlines Logo
5:30 am - 12:17 pm
BUF
-
EYW
6h 47m
1 stop
American Airlines Logo
5:04 pm - 10:45 pm
EYW
-
BUF
5h 41m
1 stop
$293American Airlines
Wed, Mar 11 - Wed, Mar 18
American Airlines Logo
5:24 am - 11:32 am
BUF
-
EYW
6h 08m
1 stop
American Airlines Logo
7:45 am - 12:51 pm
EYW
-
BUF
5h 06m
1 stop
$297American Airlines
Wed, Mar 4 - Wed, Mar 11
American Airlines Logo
5:30 am - 12:17 pm
BUF
-
EYW
6h 47m
1 stop
American Airlines Logo
3:56 pm - 11:50 pm
EYW
-
BUF
7h 54m
2 stops
$298American Airlines
Wed, Mar 11 - Wed, Mar 18
Delta Logo
11:37 am - 7:41 pm
BUF
-
EYW
8h 04m
2 stops
Delta Logo
2:40 pm - 12:49 am
EYW
-
BUF
10h 09m
2 stops
$303Delta
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
7:00 am - 3:00 pm
BUF
-
EYW
8h 00m
1 stop
United Airlines Logo
6:35 pm - 11:44 pm
EYW
-
BUF
5h 09m
1 stop
$314United Airlines
Wed, Feb 25 - Tue, Mar 3

American Airlines flights from Buffalo to Key West

Our best American Airlines deals on Buffalo to Key West flight tickets
American Airlines
May 13
BUF6:00 amBuffalo
7h 21m
1 stop
EYW1:21 pmKey West
May 20
EYW4:20 pmKey West
7h 30m
1 stop
BUF11:50 pmBuffalo
$283
American Airlines
Mar 9
BUF5:30 amBuffalo
6h 47m
1 stop
EYW12:17 pmKey West
Mar 18
EYW5:04 pmKey West
5h 41m
1 stop
BUF10:45 pmBuffalo
$286
American Airlines
May 13
BUF7:25 amBuffalo
8h 15m
2 stops
EYW3:40 pmKey West
May 20
EYW4:20 pmKey West
7h 30m
1 stop
BUF11:50 pmBuffalo
$288

Delta flights from Buffalo to Key West

Our best Delta deals on Buffalo to Key West flight tickets
Delta
Apr 7
BUF11:37 amBuffalo
8h 04m
2 stops
EYW7:41 pmKey West
Apr 14
EYW2:40 pmKey West
10h 09m
2 stops
BUF12:49 amBuffalo
$303
Delta
Mar 17
BUF6:02 amBuffalo
6h 40m
1 stop
EYW12:42 pmKey West
Mar 24
EYW6:25 pmKey West
5h 21m
1 stop
BUF11:46 pmBuffalo
$321
Delta
Feb 27
BUF12:05 pmBuffalo
7h 37m
1 stop
EYW7:42 pmKey West
Mar 4
EYW5:56 pmKey West
5h 30m
1 stop
BUF11:26 pmBuffalo
$324

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Key West 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, momondo users made 832,500 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Buffalo to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sun 3/22

9:47 pm-12:26 pm

1 stop14h 39m

Key West

Thu 3/26

9:46 am-10:49 am

1 stop25h 03m

$225

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 5/13

7:00 am-1:27 pm

1 stop6h 27m

Key West

Wed 5/20

1:57 pm-10:04 pm

1 stop8h 07m

$283

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Mon 3/9

5:30 am-12:17 pm

1 stop6h 47m

Key West

Wed 3/18

5:04 pm-10:45 pm

1 stop5h 41m

$286

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 5/13

1:45 pm-10:58 pm

2 stops9h 13m

Key West

Wed 5/20

4:20 pm-11:50 pm

1 stop7h 30m

$288

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Mon 3/9

5:30 am-1:45 pm

1 stop8h 15m

Key West

Wed 3/18

3:56 pm-11:50 pm

2 stops7h 54m

$291

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 3/11

5:30 am-12:17 pm

1 stop6h 47m

Key West

Wed 3/18

5:04 pm-10:45 pm

1 stop5h 41m

$293

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 3/4

5:24 am-11:32 am

1 stop6h 08m

Key West

Wed 3/11

7:45 am-12:51 pm

1 stop5h 06m

$297

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 3/11

5:30 am-12:17 pm

1 stop6h 47m

Key West

Wed 3/18

3:56 pm-11:50 pm

2 stops7h 54m

$298

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 4/7

11:37 am-7:41 pm

2 stops8h 04m

Key West

Tue 4/14

2:40 pm-12:49 am

2 stops10h 09m

$303

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 2/25

7:00 am-3:00 pm

1 stop8h 00m

Key West

Tue 3/3

6:35 pm-11:44 pm

1 stop5h 09m

$314

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from Buffalo to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Key West?

In general, September is the cheapest month to fly from Buffalo to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you are unable to visit Key West during the month of September, then departing from Buffalo during the month August is also very affordable. Most momondo users find prices during this month for around $303.

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $422 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Buffalo for as low as $315 on momondo.

Can stopping save me money on Buffalo to Key West flights?

You could potentially save up to 1% on your flight if you consider stops on a Buffalo to Key West flight.

How have Buffalo to Key West flight prices changed over time?

When to book flights from Buffalo to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Key West (BUF to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Key West

Fastest flight time

4h 58m

Direct flights

None
The fastest flight from Buffalo to Key West takes 4h 58m
There are no direct flights from Buffalo to Key West. There are no popular flight routes from Buffalo to Key West.
Search flight deals

  • How far is Buffalo to Key West by plane?

    The distance between Buffalo and Key West is about 1276.6 mi. In terms of flight time, this usually takes a little over 4h 58m.

  • When did momondo last update prices for flights from Buffalo Airport to Key West Airport?

    Prices for flights from Buffalo Airport to Key West Airport were last updated today.

  • How many operators does momondo search for flights from Buffalo Airport to Key West Airport?

  • How old do you have to be to fly from Buffalo Airport to Key West Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Buffalo to Key West?

Best airlines flying from Buffalo to Key West

Compare and see reviews for airlines that fly from Buffalo to Key West with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $183Free CancellationRating
7.4
9,283 reviews
Search United Airlines flights
DeltaPriceFrom $249Free CancellationRating
7.9
8,187 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,275 reviews
Search American Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Key West?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West from Buffalo.

Can I find flights from Buffalo to Key West with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Buffalo to Key West flights to just show those with flexible booking policies.

How can momondo help me find flights from Buffalo to Key West?

Once you have performed a search for Buffalo to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Buffalo to Key West right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Buffalo to Key West flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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