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Cheap flights from Buffalo to Key West from $212

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 10/20. 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 (BUF-EYW)

Cheap round-trip flights

Delta Logo
6:00 am - 10:55 amBUF-EYW
4h 55m1 stop
Delta Logo
6:10 pm - 11:37 pmEYW-BUF
5h 27m1 stop
$269Delta
Find Deal
mié., sep. 17 - sáb., sep. 20
Delta Logo
9:01 am - 8:07 pmBUF-EYW
11h 06m2 stops
Delta Logo
6:10 pm - 11:37 pmEYW-BUF
5h 27m1 stop
$274Delta
Find Deal
mié., sep. 17 - sáb., sep. 20
American Airlines Logo
6:16 am - 1:55 pmBUF-EYW
7h 39m1 stop
American Airlines Logo
5:39 pm - 11:23 pmEYW-BUF
5h 44m1 stop
$276American Airlines
Find Deal
sáb., ene. 31 - sáb., feb. 7
American Airlines Logo
6:16 am - 1:55 pmBUF-EYW
7h 39m1 stop
American Airlines Logo
1:55 pm - 11:23 pmEYW-BUF
9h 28m2 stops
$281American Airlines
Find Deal
sáb., ene. 31 - sáb., feb. 7
Delta Logo
10:30 am - 8:07 pmBUF-EYW
9h 37m2 stops
Delta Logo
11:50 am - 10:36 pmEYW-BUF
10h 46m2 stops
$304Delta
Find Deal
mar., sep. 16 - sáb., sep. 20
American Airlines Logo
6:20 am - 11:55 amBUF-EYW
5h 35m1 stop
American Airlines Logo
11:22 am - 7:45 pmEYW-BUF
8h 23m2 stops
$314American Airlines
Find Deal
sáb., oct. 11 - sáb., oct. 18
American Airlines Logo
6:00 am - 2:08 pmBUF-EYW
8h 08m1 stop
American Airlines Logo
1:33 pm - 11:26 pmEYW-BUF
9h 53m2 stops
$319American Airlines
Find Deal
vie., nov. 21 - lun., nov. 24
United Airlines Logo
6:30 am - 2:01 pmBUF-EYW
7h 31m1 stop
United Airlines Logo
3:05 pm - 11:59 pmEYW-BUF
8h 54m2 stops
$339United Airlines
Find Deal
mar., sep. 9 - sáb., sep. 13
Logo
9:04 pm - 9:51 amBUF-EYW
12h 47m1 stop
Logo
3:07 pm - 10:08 amEYW-BUF
19h 01m1 stop
$410
Find Deal
dom., nov. 9 - vie., nov. 14
Logo
4:57 pm - 9:12 amBUF-EYW
40h 15m2 stops
Logo
9:52 am - 12:38 pmEYW-BUF
26h 46m1 stop
$453
Find Deal
lun., sep. 8 - sáb., sep. 13

American Airlines flights from Buffalo to Key West

Our best American Airlines deals on Buffalo to Key West flight tickets
American Airlines
Jan 31
BUF6:16 amBuffalo
7h 39m
1 stop
EYW1:55 pmKey West
Feb 7
EYW5:39 pmKey West
5h 44m
1 stop
BUF11:23 pmBuffalo
$276
Find similar
American Airlines
Jan 31
BUF6:16 amBuffalo
7h 39m
1 stop
EYW1:55 pmKey West
Feb 7
EYW1:55 pmKey West
9h 28m
2 stops
BUF11:23 pmBuffalo
$281
Find similar
American Airlines
Oct 11
BUF6:20 amBuffalo
5h 35m
1 stop
EYW11:55 amKey West
Oct 18
EYW11:22 amKey West
8h 23m
2 stops
BUF7:45 pmBuffalo
$314
Find similar

Delta flights from Buffalo to Key West

Our best Delta deals on Buffalo to Key West flight tickets
Delta
Sep 17
BUF6:00 amBuffalo
4h 55m
1 stop
EYW10:55 amKey West
Sep 20
EYW6:10 pmKey West
5h 27m
1 stop
BUF11:37 pmBuffalo
$269
Find similar
Delta
Sep 17
BUF9:01 amBuffalo
11h 06m
2 stops
EYW8:07 pmKey West
Sep 20
EYW6:10 pmKey West
5h 27m
1 stop
BUF11:37 pmBuffalo
$274
Find similar
Delta
Aug 30
BUF6:20 amBuffalo
11h 05m
2 stops
EYW5:25 pmKey West
Sep 3
EYW6:20 pmKey West
5h 37m
1 stop
BUF11:57 pmBuffalo
$288
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 agosto 28, 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

mié. 9/17

6:00 am-10:55 am

1 stop4h 55m

Key West

sáb. 9/20

6:10 pm-11:37 pm

1 stop5h 27m

$269

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

mié. 9/17

9:01 am-8:07 pm

2 stops11h 06m

Key West

sáb. 9/20

6:10 pm-11:37 pm

1 stop5h 27m

$274

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

sáb. 1/31

6:16 am-1:55 pm

1 stop7h 39m

Key West

sáb. 2/7

5:39 pm-11:23 pm

1 stop5h 44m

$276

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

sáb. 1/31

6:16 am-1:55 pm

1 stop7h 39m

Key West

sáb. 2/7

1:55 pm-11:23 pm

2 stops9h 28m

$281

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

mar. 9/16

10:30 am-8:07 pm

2 stops9h 37m

Key West

sáb. 9/20

11:50 am-10:36 pm

2 stops10h 46m

$304

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

sáb. 10/11

6:20 am-11:55 am

1 stop5h 35m

Key West

sáb. 10/18

11:22 am-7:45 pm

2 stops8h 23m

$314

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

vie. 11/21

6:00 am-2:08 pm

1 stop8h 08m

Key West

lun. 11/24

1:33 pm-11:26 pm

2 stops9h 53m

$319

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

mar. 9/9

6:30 am-2:01 pm

1 stop7h 31m

Key West

sáb. 9/13

3:05 pm-11:59 pm

2 stops8h 54m

$339

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

dom. 11/9

9:04 pm-9:51 am

1 stop12h 47m

Key West

vie. 11/14

3:07 pm-10:08 am

1 stop19h 01m

$410

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

lun. 9/8

4:57 pm-9:12 am

2 stops40h 15m

Key West

sáb. 9/13

9:52 am-12:38 pm

1 stop26h 46m

$453

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, August 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 $303. If you are unable to visit Key West during the month of August, then departing from Buffalo during the month September is also very affordable. Most momondo users find prices during this month for around $329.

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 $410 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 $273 on momondo.

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

You could potentially save up to 8% 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

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 48m.

  • 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
8,944 reviews
Search United Airlines flights
DeltaPriceFrom $243Free CancellationRating
7.9
7,977 reviews
Search Delta flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
10,000 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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