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Cheap flights from Buffalo to Key West from $137

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:50 am - 11:49 amBUF  Buffalo-EYW Key West
5h 59m1 stop Charlotte Douglas
American Airlines Logo
3:06 pm - 9:44 pmEYW  Key West-BUF Buffalo
6h 38m1 stop Charlotte Douglas
$333American Airlines
Sat, Oct 24 - Tue, Oct 27
Multiple Airlines Logo
12:49 pm - 10:19 amBUF  Buffalo-EYW Key West
21h 30m1 stop Orlando
Multiple Airlines Logo
10:59 am - 12:50 pmEYW  Key West-BUF Buffalo
49h 51m2 stops Orlando Atlanta Hartsfield-Jackson
$346Multiple Airlines
Sun, Sep 27 - Thu, Oct 1
American Airlines Logo
11:38 am - 6:49 pmBUF  Buffalo-EYW Key West
7h 11m1 stop Charlotte Douglas
American Airlines Logo
3:06 pm - 9:44 pmEYW  Key West-BUF Buffalo
6h 38m1 stop Charlotte Douglas
$353American Airlines
Sat, Oct 24 - Tue, Oct 27
American Airlines Logo
6:00 am - 11:39 amBUF  Buffalo-EYW Key West
5h 39m1 stop Washington, D.C. Reagan-National
American Airlines Logo
2:15 pm - 9:44 pmEYW  Key West-BUF Buffalo
7h 29m1 stop Charlotte Douglas
$353American Airlines
Sat, Oct 24 - Tue, Oct 27
American Airlines Logo
7:03 am - 3:06 pmBUF  Buffalo-EYW Key West
8h 03m1 stop Charlotte Douglas
American Airlines Logo
5:35 pm - 10:44 pmEYW  Key West-BUF Buffalo
5h 09m1 stop Philadelphia
$353American Airlines
Wed, Dec 9 - Tue, Dec 15
Multiple Airlines Logo
12:49 pm - 10:19 amBUF  Buffalo-EYW Key West
21h 30m1 stop Orlando
Multiple Airlines Logo
10:59 am - 5:45 pmEYW  Key West-BUF Buffalo
6h 46m1 stop Orlando
$357Multiple Airlines
Sun, Sep 27 - Thu, Oct 1
Delta Logo
6:00 am - 10:47 amBUF  Buffalo-EYW Key West
4h 47m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:11 pm - 11:59 pmEYW  Key West-BUF Buffalo
5h 48m1 stop Atlanta Hartsfield-Jackson
$386Delta
Tue, Oct 13 - Sat, Oct 17
Multiple Airlines Logo
12:54 pm - 7:35 amBUF  Buffalo-EYW Key West
18h 41m1 stop Orlando
Multiple Airlines Logo
9:54 am - 1:03 pmEYW  Key West-BUF Buffalo
27h 09m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson
$395Multiple Airlines
Thu, Nov 5 - Sun, Nov 8
Delta Logo
12:09 pm - 7:43 pmBUF  Buffalo-EYW Key West
7h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 pm - 11:55 pmEYW  Key West-BUF Buffalo
5h 55m1 stop Atlanta Hartsfield-Jackson
$418Delta
Thu, Jan 7 - Tue, Jan 12
Delta Logo
6:00 am - 1:08 pmBUF  Buffalo-EYW Key West
7h 08m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 pm - 11:55 pmEYW  Key West-BUF Buffalo
5h 55m1 stop Atlanta Hartsfield-Jackson
$418Delta
Fri, Jan 8 - Tue, Jan 12

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American Airlines flights from Buffalo to Key West

Our best American Airlines deals on Buffalo to Key West flight tickets
American Airlines
Oct 24
BUF6:00 amBuffalo
5h 39m
1 stop
EYW11:39 amKey West
Oct 27
EYW2:15 pmKey West
7h 29m
1 stop
BUF9:44 pmBuffalo
$353
American Airlines
Oct 26
BUF6:00 amBuffalo
7h 30m
1 stop
EYW1:30 pmKey West
Oct 31
EYW12:09 pmKey West
5h 47m
1 stop
BUF5:56 pmBuffalo
$398
American Airlines
Oct 26
BUF6:00 amBuffalo
7h 30m
1 stop
EYW1:30 pmKey West
Oct 31
EYW12:09 pmKey West
5h 47m
1 stop
BUF5:56 pmBuffalo
$418

United Airlines flights from Buffalo to Key West

Our best United Airlines deals on Buffalo to Key West flight tickets
United Airlines
Feb 26
BUF6:00 amBuffalo
11h 02m
2 stops
EYW5:02 pmKey West
Mar 5
EYW2:30 pmKey West
8h 07m
1 stop
BUF10:37 pmBuffalo
$565
United Airlines
Feb 26
BUF6:00 amBuffalo
10h 36m
2 stops
EYW4:36 pmKey West
Mar 5
EYW2:30 pmKey West
8h 07m
1 stop
BUF10:37 pmBuffalo
$664
United Airlines
Sep 29
BUF7:59 pmBuffalo
17h 30m
2 stops
EYW1:29 pmKey West
Oct 3
EYW2:15 pmKey West
8h 56m
1 stop
BUF11:11 pmBuffalo
$903

momondo Fare Finder

 
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

Cheapest round-trip

BuffaloKey West

BUF Buffalo - EYW Key West

BUFEYW

Buffalo

Sat 10/24

5:50 am-11:49 am

1 stop5h 59m

Key West

Tue 10/27

3:06 pm-9:44 pm

1 stop6h 38m

$333

BuffaloKey West

BUF Buffalo - EYW Key West

BUFEYW

Buffalo

Sun 9/27

12:49 pm-10:19 am

1 stop21h 30m

Key West

Thu 10/1

10:59 am-12:50 pm

2 stops49h 51m

$346

BuffaloKey West

BUF Buffalo - EYW Key West

BUFEYW

Buffalo

Sat 10/24

11:38 am-6:49 pm

1 stop7h 11m

Key West

Tue 10/27

3:06 pm-9:44 pm

1 stop6h 38m

$353

BuffaloKey West

BUF Buffalo - EYW Key West

BUFEYW

Buffalo

Sat 10/24

6:00 am-11:39 am

1 stop5h 39m

Key West

Tue 10/27

2:15 pm-9:44 pm

1 stop7h 29m

$353

BuffaloKey West

BUF Buffalo - EYW Key West

BUFEYW

Buffalo

Wed 12/9

7:03 am-3:06 pm

1 stop8h 03m

Key West

Tue 12/15

5:35 pm-10:44 pm

1 stop5h 09m

$353

BuffaloKey West

BUF Buffalo - EYW Key West

BUFEYW

Buffalo

Sun 9/27

12:49 pm-10:19 am

1 stop21h 30m

Key West

Thu 10/1

10:59 am-5:45 pm

1 stop6h 46m

$357
Quickest round-trip

BuffaloKey West

BUF Buffalo - EYW Key West

BUFEYW

Buffalo

Tue 10/13

6:00 am-10:47 am

1 stop4h 47m

Key West

Sat 10/17

6:11 pm-11:59 pm

1 stop5h 48m

$386

BuffaloKey West

BUF Buffalo - EYW Key West

BUFEYW

Buffalo

Thu 11/5

12:54 pm-7:35 am

1 stop18h 41m

Key West

Sun 11/8

9:54 am-1:03 pm

2 stops27h 09m

$395

BuffaloKey West

BUF Buffalo - EYW Key West

BUFEYW

Buffalo

Thu 1/7

12:09 pm-7:43 pm

1 stop7h 34m

Key West

Tue 1/12

6:00 pm-11:55 pm

1 stop5h 55m

$418

BuffaloKey West

BUF Buffalo - EYW Key West

BUFEYW

Buffalo

Fri 1/8

6:00 am-1:08 pm

1 stop7h 08m

Key West

Tue 1/12

6:00 pm-11:55 pm

1 stop5h 55m

$418

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, July 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 $322. If you are unable to visit Key West during the month of July, then departing from Buffalo during the month January is also very affordable. Most momondo users find prices during this month for around $394.

How far in advance should I book a flight from Buffalo 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 $456 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 $346 on momondo.

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

You could potentially save up to 29% 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?

As of September 2026, prices for Buffalo to Key West flights are approximately 17% more expensive when compared to flights at the same time last year.

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

Best Price Found

$137

Fastest flight time

4h 47m

Direct flights

None
The best one-way flight to Key West from Buffalo in the past 72 hours is $137. The best round-trip flight deal from Buffalo to Key West found on momondo in the last 72 hours is $333.
The fastest flight from Buffalo to Key West takes 4h 47m
There are no direct flights from Buffalo to Key West. There are no popular flight routes from Buffalo to Key West.
Search flight deals

Frequently asked questions about flying from Buffalo to Key West

  • 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 47m.

  • 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
American AirlinesPriceFrom $282Free CancellationRating
7.1
12,057 reviews
Search American Airlines flights
DeltaPriceFrom $285Free CancellationRating
7.8
8,568 reviews
Search Delta 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.

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