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Cheap flights from Buffalo to Key West from $121

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 1/29. 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
8:06 pm - 9:26 am
BUF
-
EYW
13h 20m1 stop
Multiple Airlines Logo
10:06 am - 12:44 pm
EYW
-
BUF
26h 38m2 stops
$219Multiple Airlines
Sat, Jan 17 - Sun, Jan 25
Multiple Airlines Logo
8:06 pm - 9:26 am
BUF
-
EYW
13h 20m1 stop
Multiple Airlines Logo
1:06 pm - 11:34 am
EYW
-
BUF
22h 28m1 stop
$223Multiple Airlines
Sat, Jan 17 - Fri, Jan 23
Multiple Airlines Logo
8:06 pm - 9:26 am
BUF
-
EYW
13h 20m1 stop
Multiple Airlines Logo
1:06 pm - 11:34 am
EYW
-
BUF
22h 28m1 stop
$226Multiple Airlines
Sat, Jan 17 - Fri, Jan 23
Multiple Airlines Logo
9:08 am - 12:26 pm
BUF
-
EYW
27h 18m1 stop
Multiple Airlines Logo
10:06 am - 8:03 pm
EYW
-
BUF
9h 57m1 stop
$243Multiple Airlines
Sun, Jan 11 - Sun, Jan 18
Multiple Airlines Logo
8:06 pm - 9:26 am
BUF
-
EYW
13h 20m1 stop
Multiple Airlines Logo
2:25 pm - 12:44 pm
EYW
-
BUF
46h 19m2 stops
$254Multiple Airlines
Sat, Jan 17 - Fri, Jan 23
Multiple Airlines Logo
1:39 pm - 1:30 pm
BUF
-
EYW
23h 51m2 stops
Multiple Airlines Logo
1:06 pm - 11:34 am
EYW
-
BUF
22h 28m1 stop
$256Multiple Airlines
Sun, Jan 25 - Fri, Jan 30
American Airlines Logo
5:12 am - 10:38 am
BUF
-
EYW
5h 26m1 stop
American Airlines Logo
2:44 pm - 10:40 pm
EYW
-
BUF
7h 56m1 stop
$257American Airlines
Tue, Jan 20 - Mon, Jan 26
American Airlines Logo
12:58 pm - 11:56 pm
BUF
-
EYW
10h 58m2 stops
American Airlines Logo
7:15 am - 12:08 pm
EYW
-
BUF
4h 53m1 stop
$259American Airlines
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
12:15 pm - 11:56 am
BUF
-
EYW
47h 41m2 stops
Multiple Airlines Logo
1:06 pm - 11:34 am
EYW
-
BUF
22h 28m1 stop
$261Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
American Airlines Logo
11:50 am - 9:47 pm
BUF
-
EYW
9h 57m2 stops
American Airlines Logo
2:44 pm - 10:40 pm
EYW
-
BUF
7h 56m1 stop
$262American Airlines
Tue, Jan 20 - Mon, Jan 26

American Airlines flights from Buffalo to Key West

Our best American Airlines deals on Buffalo to Key West flight tickets
American Airlines
Jan 20
BUF6:00 amBuffalo
8h 06m
1 stop
EYW2:06 pmKey West
Jan 26
EYW2:44 pmKey West
7h 56m
1 stop
BUF10:40 pmBuffalo
$257
Find similar
American Airlines
Jan 17
BUF12:58 pmBuffalo
10h 58m
2 stops
EYW11:56 pmKey West
Jan 24
EYW7:15 amKey West
4h 53m
1 stop
BUF12:08 pmBuffalo
$259
Find similar
American Airlines
Jan 20
BUF11:50 amBuffalo
9h 57m
2 stops
EYW9:47 pmKey West
Jan 26
EYW2:44 pmKey West
7h 56m
1 stop
BUF10:40 pmBuffalo
$262
Find similar

Delta flights from Buffalo to Key West

Our best Delta deals on Buffalo to Key West flight tickets
Delta
Jan 23
BUF12:13 pmBuffalo
7h 27m
1 stop
EYW7:40 pmKey West
Jan 30
EYW6:06 pmKey West
5h 22m
1 stop
BUF11:28 pmBuffalo
$309
Find similar
Delta
Jan 23
BUF7:00 amBuffalo
12h 40m
2 stops
EYW7:40 pmKey West
Jan 30
EYW7:10 amKey West
9h 54m
2 stops
BUF5:04 pmBuffalo
$319
Find similar
Delta
Jan 17
BUF7:52 pmBuffalo
15h 37m
2 stops
EYW11:29 amKey West
Jan 23
EYW7:10 amKey West
9h 54m
2 stops
BUF5:04 pmBuffalo
$342
Find similar

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 December 16, 2025.
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

Sat 1/17

8:06 pm-9:26 am

1 stop13h 20m

Key West

Sun 1/25

10:06 am-12:44 pm

2 stops26h 38m

$219

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 1/17

8:06 pm-9:26 am

1 stop13h 20m

Key West

Fri 1/23

1:06 pm-11:34 am

1 stop22h 28m

$223

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 1/17

8:06 pm-9:26 am

1 stop13h 20m

Key West

Fri 1/23

1:06 pm-11:34 am

1 stop22h 28m

$226

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sun 1/11

9:08 am-12:26 pm

1 stop27h 18m

Key West

Sun 1/18

10:06 am-8:03 pm

1 stop9h 57m

$243

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 1/17

8:06 pm-9:26 am

1 stop13h 20m

Key West

Fri 1/23

2:25 pm-12:44 pm

2 stops46h 19m

$254

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sun 1/25

1:39 pm-1:30 pm

2 stops23h 51m

Key West

Fri 1/30

1:06 pm-11:34 am

1 stop22h 28m

$256

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 1/20

5:12 am-10:38 am

1 stop5h 26m

Key West

Mon 1/26

2:44 pm-10:40 pm

1 stop7h 56m

$257

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 1/17

12:58 pm-11:56 pm

2 stops10h 58m

Key West

Sat 1/24

7:15 am-12:08 pm

1 stop4h 53m

$259

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Fri 1/16

12:15 pm-11:56 am

2 stops47h 41m

Key West

Fri 1/23

1:06 pm-11:34 am

1 stop22h 28m

$261

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 1/20

11:50 am-9:47 pm

2 stops9h 57m

Key West

Mon 1/26

2:44 pm-10:40 pm

1 stop7h 56m

$262

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.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Buffalo is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $348. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Buffalo to Key West for around $518.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the afternoon. momondo users have found flights departing from Buffalo to Key West in the afternoon for as low as $261. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $424. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $428 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 31% 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
DeltaPriceFrom $268Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
9,092 reviews
Search United 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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