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Cheap flights from Buffalo to Key West from $188

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 10/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
8:18 pm - 1:30 pmBUF-EYW
17h 12m2 stops
Multiple Airlines Logo
9:46 am - 7:23 pmEYW-BUF
9h 37m1 stop
$230Multiple Airlines
Find Deal
Mon, Jan 26 - Thu, Jan 29
Multiple Airlines Logo
8:18 pm - 1:30 pmBUF-EYW
17h 12m2 stops
Multiple Airlines Logo
9:46 am - 7:23 pmEYW-BUF
9h 37m1 stop
$235Multiple Airlines
Find Deal
Mon, Jan 26 - Thu, Jan 29
Delta Logo
6:16 am - 12:44 pmBUF-EYW
6h 28m1 stop
Delta Logo
6:00 pm - 11:57 pmEYW-BUF
5h 57m1 stop
$269Delta
Find Deal
Tue, Jan 20 - Mon, Jan 26
Delta Logo
6:16 am - 12:44 pmBUF-EYW
6h 28m1 stop
Delta Logo
7:00 am - 5:26 pmEYW-BUF
10h 26m2 stops
$274Delta
Find Deal
Tue, Jan 20 - Mon, Jan 26
American Airlines Logo
6:00 am - 2:06 pmBUF-EYW
8h 06m1 stop
American Airlines Logo
2:18 pm - 10:43 pmEYW-BUF
8h 25m1 stop
$276American Airlines
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Tue, Feb 10 - Sat, Feb 14
Delta Logo
6:16 am - 5:13 pmBUF-EYW
10h 57m2 stops
Delta Logo
7:00 am - 5:26 pmEYW-BUF
10h 26m2 stops
$279Delta
Find Deal
Tue, Jan 20 - Mon, Jan 26
American Airlines Logo
11:39 am - 9:46 pmBUF-EYW
10h 07m2 stops
American Airlines Logo
3:18 pm - 10:54 pmEYW-BUF
7h 36m1 stop
$281American Airlines
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Wed, Dec 10 - Sat, Dec 13
United Airlines Logo
7:00 am - 3:00 pmBUF-EYW
8h 00m1 stop
United Airlines Logo
2:15 pm - 9:02 pmEYW-BUF
6h 47m1 stop
$497United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
6:00 am - 3:00 pmBUF-EYW
9h 00m2 stops
United Airlines Logo
6:35 pm - 11:44 pmEYW-BUF
5h 09m1 stop
$502United Airlines
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Tue, Mar 3 - Wed, Mar 4
JetBlue Logo
7:26 pm - 11:21 amBUF-EYW
15h 55m2 stops
JetBlue Logo
12:07 pm - 11:41 pmEYW-BUF
11h 34m2 stops
$515JetBlue
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Mon, Mar 30 - Sat, Apr 4

American Airlines flights from Buffalo to Key West

Our best American Airlines deals on Buffalo to Key West flight tickets
American Airlines
Feb 10
BUF6:00 amBuffalo
8h 06m
1 stop
EYW2:06 pmKey West
Feb 14
EYW2:18 pmKey West
8h 25m
1 stop
BUF10:43 pmBuffalo
$276
Find similar
American Airlines
Dec 10
BUF11:39 amBuffalo
10h 07m
2 stops
EYW9:46 pmKey West
Dec 13
EYW3:18 pmKey West
7h 36m
1 stop
BUF10:54 pmBuffalo
$281
Find similar
American Airlines
Dec 10
BUF12:43 pmBuffalo
10h 24m
2 stops
EYW11:07 pmKey West
Dec 13
EYW4:20 pmKey West
7h 47m
2 stops
BUF12:07 amBuffalo
$286
Find similar

Delta flights from Buffalo to Key West

Our best Delta deals on Buffalo to Key West flight tickets
Delta
Jan 20
BUF6:16 amBuffalo
6h 28m
1 stop
EYW12:44 pmKey West
Jan 26
EYW6:00 pmKey West
5h 57m
1 stop
BUF11:57 pmBuffalo
$269
Find similar
Delta
Jan 20
BUF6:16 amBuffalo
6h 28m
1 stop
EYW12:44 pmKey West
Jan 26
EYW7:00 amKey West
10h 26m
2 stops
BUF5:26 pmBuffalo
$274
Find similar
Delta
Jan 20
BUF6:16 amBuffalo
10h 57m
2 stops
EYW5:13 pmKey West
Jan 26
EYW7:00 amKey West
10h 26m
2 stops
BUF5:26 pmBuffalo
$279
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 October 23, 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

Mon 1/26

8:18 pm-1:30 pm

2 stops17h 12m

Key West

Thu 1/29

9:46 am-7:23 pm

1 stop9h 37m

$230

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Mon 1/26

8:18 pm-1:30 pm

2 stops17h 12m

Key West

Thu 1/29

9:46 am-7:23 pm

1 stop9h 37m

$235

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 1/20

6:16 am-12:44 pm

1 stop6h 28m

Key West

Mon 1/26

6:00 pm-11:57 pm

1 stop5h 57m

$269

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 1/20

6:16 am-12:44 pm

1 stop6h 28m

Key West

Mon 1/26

7:00 am-5:26 pm

2 stops10h 26m

$274

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 2/10

6:00 am-2:06 pm

1 stop8h 06m

Key West

Sat 2/14

2:18 pm-10:43 pm

1 stop8h 25m

$276

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 1/20

6:16 am-5:13 pm

2 stops10h 57m

Key West

Mon 1/26

7:00 am-5:26 pm

2 stops10h 26m

$279

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 12/10

11:39 am-9:46 pm

2 stops10h 07m

Key West

Sat 12/13

3:18 pm-10:54 pm

1 stop7h 36m

$281

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 3/3

7:00 am-3:00 pm

1 stop8h 00m

Key West

Wed 3/4

2:15 pm-9:02 pm

1 stop6h 47m

$497

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Tue 3/3

6:00 am-3:00 pm

2 stops9h 00m

Key West

Wed 3/4

6:35 pm-11:44 pm

1 stop5h 09m

$502

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Mon 3/30

7:26 pm-11:21 am

2 stops15h 55m

Key West

Sat 4/4

12:07 pm-11:41 pm

2 stops11h 34m

$515

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 typical price of a round-trip flight between Buffalo and Key West?

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 $415 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 $323 on momondo.

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

You could potentially save up to 18% on your flight if you consider stops on a Buffalo to Key West flight.

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

Direct flights

None
There are no direct flights from Buffalo to Key West. There are no popular flight routes from Buffalo to Key West.
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  • 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 54m.

  • 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 $220Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
DeltaPriceFrom $244Free CancellationRating
7.9
7,982 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,032 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

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