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Cheap flights from Buffalo to Key West from $145

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 11/3. 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
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
11:35 am - 6:49 pm
BUF
-
EYW
7h 14m
1 stop
American Airlines Logo
5:34 pm - 11:32 pm
EYW
-
BUF
5h 58m
1 stop
$323American Airlines
Wed, Oct 7 - Wed, Oct 14
American Airlines Logo
5:20 am - 1:40 pm
BUF
-
EYW
8h 20m
1 stop
American Airlines Logo
5:34 pm - 11:53 pm
EYW
-
BUF
6h 19m
1 stop
$337American Airlines
Wed, Jul 22 - Tue, Jul 28
Multiple Airlines Logo
10:02 pm - 11:25 am
BUF
-
EYW
13h 23m
1 stop
Multiple Airlines Logo
11:46 am - 10:29 am
EYW
-
BUF
22h 43m
2 stops
$341Multiple Airlines
Sat, Aug 8 - Wed, Aug 12
Multiple Airlines Logo
10:02 pm - 11:25 am
BUF
-
EYW
13h 23m
1 stop
Multiple Airlines Logo
11:46 am - 10:29 am
EYW
-
BUF
22h 43m
2 stops
$347Multiple Airlines
Sat, Aug 8 - Wed, Aug 12
American Airlines Logo
5:20 am - 1:40 pm
BUF
-
EYW
8h 20m
1 stop
American Airlines Logo
5:34 pm - 11:53 pm
EYW
-
BUF
6h 19m
1 stop
$351American Airlines
Wed, Jul 22 - Mon, Jul 27
Multiple Airlines Logo
10:02 pm - 11:25 am
BUF
-
EYW
13h 23m
1 stop
Multiple Airlines Logo
1:11 pm - 10:29 am
EYW
-
BUF
45h 18m
2 stops
$357Multiple Airlines
Sat, Aug 1 - Fri, Aug 7
Multiple Airlines Logo
2:48 pm - 3:45 pm
BUF
-
EYW
24h 57m
2 stops
Multiple Airlines Logo
12:07 pm - 7:06 pm
EYW
-
BUF
6h 59m
1 stop
$359Multiple Airlines
Fri, Aug 7 - Mon, Aug 10
Multiple Airlines Logo
1:16 pm - 11:21 am
BUF
-
EYW
22h 05m
2 stops
Multiple Airlines Logo
10:04 am - 9:48 am
EYW
-
BUF
23h 44m
1 stop
$371Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
10:02 pm - 11:25 am
BUF
-
EYW
13h 23m
1 stop
Multiple Airlines Logo
12:07 pm - 7:06 pm
EYW
-
BUF
6h 59m
1 stop
$374Multiple Airlines
Sat, Aug 1 - Fri, Aug 7
American Airlines Logo
11:35 am - 6:49 pm
BUF
-
EYW
7h 14m
1 stop
American Airlines Logo
2:02 pm - 10:28 pm
EYW
-
BUF
8h 26m
1 stop
$376American Airlines
Wed, Oct 7 - Sat, Oct 17

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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 7
BUF11:35 amBuffalo
7h 14m
1 stop
EYW6:49 pmKey West
Oct 14
EYW5:34 pmKey West
5h 58m
1 stop
BUF11:32 pmBuffalo
$323
American Airlines
Jul 22
BUF5:20 amBuffalo
8h 20m
1 stop
EYW1:40 pmKey West
Jul 28
EYW5:34 pmKey West
6h 19m
1 stop
BUF11:53 pmBuffalo
$337
American Airlines
Jul 22
BUF5:20 amBuffalo
8h 20m
1 stop
EYW1:40 pmKey West
Jul 27
EYW5:34 pmKey West
6h 19m
1 stop
BUF11:53 pmBuffalo
$351

United Airlines flights from Buffalo to Key West

Our best United Airlines deals on Buffalo to Key West flight tickets
United Airlines
Jul 23
BUF6:15 amBuffalo
9h 04m
2 stops
EYW3:19 pmKey West
Jul 28
EYW4:00 pmKey West
30h 59m
2 stops
BUF10:59 pmBuffalo
$651
United Airlines
Oct 27
BUF6:00 amBuffalo
7h 59m
1 stop
EYW1:59 pmKey West
Oct 30
EYW2:55 pmKey West
8h 34m
2 stops
BUF11:29 pmBuffalo
$652
United Airlines
Jul 23
BUF6:15 amBuffalo
9h 04m
2 stops
EYW3:19 pmKey West
Jul 28
EYW2:26 pmKey West
9h 33m
2 stops
BUF11:59 pmBuffalo
$682

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 July 2, 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

Cheapest round-trip
Quickest round-trip

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 10/7

11:35 am-6:49 pm

1 stop7h 14m

Key West

Wed 10/14

5:34 pm-11:32 pm

1 stop5h 58m

$323

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 7/22

5:20 am-1:40 pm

1 stop8h 20m

Key West

Tue 7/28

5:34 pm-11:53 pm

1 stop6h 19m

$337

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 8/8

10:02 pm-11:25 am

1 stop13h 23m

Key West

Wed 8/12

11:46 am-10:29 am

2 stops22h 43m

$341

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 8/8

10:02 pm-11:25 am

1 stop13h 23m

Key West

Wed 8/12

11:46 am-10:29 am

2 stops22h 43m

$347

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 7/22

5:20 am-1:40 pm

1 stop8h 20m

Key West

Mon 7/27

5:34 pm-11:53 pm

1 stop6h 19m

$351

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 8/1

10:02 pm-11:25 am

1 stop13h 23m

Key West

Fri 8/7

1:11 pm-10:29 am

2 stops45h 18m

$357

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Fri 8/7

2:48 pm-3:45 pm

2 stops24h 57m

Key West

Mon 8/10

12:07 pm-7:06 pm

1 stop6h 59m

$359

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 10/7

1:16 pm-11:21 am

2 stops22h 05m

Key West

Wed 10/14

10:04 am-9:48 am

1 stop23h 44m

$371

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Sat 8/1

10:02 pm-11:25 am

1 stop13h 23m

Key West

Fri 8/7

12:07 pm-7:06 pm

1 stop6h 59m

$374

BuffaloKey West

BUF - EYW

BUFEYW

Buffalo

Wed 10/7

11:35 am-6:49 pm

1 stop7h 14m

Key West

Sat 10/17

2:02 pm-10:28 pm

1 stop8h 26m

$376

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 $322. If you are unable to visit Key West during the month of September, 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 $449 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 $319 on momondo.

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

You could potentially save up to 16% 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

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 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
7.8
8,452 reviews
Search Delta flights
American AirlinesPriceFrom $275Free CancellationRating
7.1
11,770 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.

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