When did momondo last update prices for flights from Key West Airport to Buffalo Airport?

Prices for flights from Key West Airport to Buffalo Airport refresh daily.

How many operators does momondo search for flights from Key West Airport to Buffalo Airport?

As of January 2026, there are 2 operators available to choose from for flights from Key West Airport to Buffalo Airport.

How old do you have to be to fly from Key West Airport to Buffalo Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Key West Airport to Buffalo Airport.

What documentation or ID do you need to fly to Buffalo Airport?

The travel and health documents you'll need for your trip to Buffalo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buffalo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$268 Cheap Flights from Key West to Buffalo in 2026

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Find the cheapest flights from Key West to Buffalo

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:04 pm - 10:49 pm

EYW

BUF

5h 45m

1 stop

5:24 am - 11:26 am

BUF

EYW

6h 02m

1 stop

$339American Airlines

Fri, Feb 13 - Tue, Feb 17

4:40 pm - 11:50 pm

EYW

BUF

7h 10m

1 stop

7:00 am - 4:49 pm

BUF

EYW

9h 49m

2 stops

$344American Airlines

Fri, Feb 13 - Tue, Feb 17

2:06 pm - 10:49 pm

EYW

BUF

8h 43m

2 stops

7:00 am - 4:49 pm

BUF

EYW

9h 49m

2 stops

$349American Airlines

Fri, Feb 13 - Tue, Feb 17

4:40 pm - 11:50 pm

EYW

BUF

7h 10m

1 stop

5:30 am - 1:45 pm

BUF

EYW

8h 15m

1 stop

$364American Airlines

Wed, Mar 18 - Mon, Mar 30

7:45 am - 3:54 pm

EYW

BUF

8h 09m

2 stops

5:30 am - 1:45 pm

BUF

EYW

8h 15m

1 stop

$369American Airlines

Wed, Mar 18 - Mon, Mar 30

6:35 pm - 11:44 pm

EYW

BUF

5h 09m

1 stop

6:07 am - 4:07 pm

BUF

EYW

10h 00m

1 stop

$383United Airlines

Thu, Feb 26 - Sun, Mar 1

6:35 pm - 11:44 pm

EYW

BUF

5h 09m

1 stop

6:07 am - 1:15 pm

BUF

EYW

31h 08m

2 stops

$388United Airlines

Thu, Feb 26 - Sun, Mar 1

11:51 am - 12:05 pm

EYW

BUF

24h 14m

2 stops

9:25 pm - 12:26 pm

BUF

EYW

15h 01m

1 stop

$438Multiple Airlines

Wed, Mar 18 - Sun, Mar 29

11:51 am - 10:49 am

EYW

BUF

22h 58m

1 stop

9:25 pm - 12:26 pm

BUF

EYW

15h 01m

1 stop

$444Multiple Airlines

Wed, Mar 18 - Sun, Mar 29

2:15 pm - 11:44 pm

EYW

BUF

9h 29m

2 stops

6:07 am - 1:15 pm

BUF

EYW

31h 08m

2 stops

$453United Airlines

Thu, Feb 26 - Sun, Mar 1

United Airlines flights from Key West to Buffalo

Our best United Airlines deals on Key West to Buffalo flight tickets

United Airlines

Feb 26

EYW6:35 pmKey West

5h 09m

1 stop

BUF11:44 pmBuffalo

Mar 1

BUF6:07 amBuffalo

10h 00m

1 stop

EYW4:07 pmKey West

$383

United Airlines

Feb 26

EYW6:35 pmKey West

5h 09m

1 stop

BUF11:44 pmBuffalo

Mar 1

BUF6:07 amBuffalo

31h 08m

2 stops

EYW1:15 pmKey West

$388

United Airlines

Feb 26

EYW2:15 pmKey West

9h 29m

2 stops

BUF11:44 pmBuffalo

Mar 1

BUF6:07 amBuffalo

31h 08m

2 stops

EYW1:15 pmKey West

$453

American Airlines flights from Key West to Buffalo

Our best American Airlines deals on Key West to Buffalo flight tickets

American Airlines

Feb 13

EYW5:04 pmKey West

5h 45m

1 stop

BUF10:49 pmBuffalo

Feb 17

BUF5:24 amBuffalo

6h 02m

1 stop

EYW11:26 amKey West

$339

American Airlines

Feb 13

EYW4:40 pmKey West

7h 10m

1 stop

BUF11:50 pmBuffalo

Feb 17

BUF7:00 amBuffalo

9h 49m

2 stops

EYW4:49 pmKey West

$344

American Airlines

Feb 13

EYW2:06 pmKey West

8h 43m

2 stops

BUF10:49 pmBuffalo

Feb 17

BUF7:00 amBuffalo

9h 49m

2 stops

EYW4:49 pmKey West

$349

Fly from

Fly to

Route

Depart

Return

Price

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Fri 2/13

5:04 pm-10:49 pm

1 stop5h 45m

Buffalo

Tue 2/17

5:24 am-11:26 am

1 stop6h 02m

$339

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Fri 2/13

4:40 pm-11:50 pm

1 stop7h 10m

Buffalo

Tue 2/17

7:00 am-4:49 pm

2 stops9h 49m

$344

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Fri 2/13

2:06 pm-10:49 pm

2 stops8h 43m

Buffalo

Tue 2/17

7:00 am-4:49 pm

2 stops9h 49m

$349

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Wed 3/18

4:40 pm-11:50 pm

1 stop7h 10m

Buffalo

Mon 3/30

5:30 am-1:45 pm

1 stop8h 15m

$364

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Wed 3/18

7:45 am-3:54 pm

2 stops8h 09m

Buffalo

Mon 3/30

5:30 am-1:45 pm

1 stop8h 15m

$369

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Thu 2/26

6:35 pm-11:44 pm

1 stop5h 09m

Buffalo

Sun 3/1

6:07 am-4:07 pm

1 stop10h 00m

$383

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Thu 2/26

6:35 pm-11:44 pm

1 stop5h 09m

Buffalo

Sun 3/1

6:07 am-1:15 pm

2 stops31h 08m

$388

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Wed 3/18

11:51 am-12:05 pm

2 stops24h 14m

Buffalo

Sun 3/29

9:25 pm-12:26 pm

1 stop15h 01m

$438

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Wed 3/18

11:51 am-10:49 am

1 stop22h 58m

Buffalo

Sun 3/29

9:25 pm-12:26 pm

1 stop15h 01m

$444

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

Thu 2/26

2:15 pm-11:44 pm

2 stops9h 29m

Buffalo

Sun 3/1

6:07 am-1:15 pm

2 stops31h 08m

$453

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Key West to Buffalo

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 airline that flies from Key West to Buffalo?

American Airlines and Delta are the most popular carriers operating from Key West to Buffalo

When to book flights from Key West to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to Buffalo according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Key West to Buffalo (EYW to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Key West to Buffalo

Fastest flight time	5h 09m
Direct flights	None

The fastest flight from Key West to Buffalo takes 5h 09m

There are no direct flights from Key West to Buffalo. There are no popular flight routes from Key West to Buffalo.

Search flight deals

How far is Key West to Buffalo by plane?
Buffalo is 1276.6 mi away from Key West. A reasonable flight in good conditions will take 5h 09m.
When did momondo last update prices for flights from Key West Airport to Buffalo Airport?
Prices for flights from Key West Airport to Buffalo Airport refresh daily.
How many operators does momondo search for flights from Key West Airport to Buffalo Airport?
As of January 2026, there are 2 operators available to choose from for flights from Key West Airport to Buffalo Airport.
How old do you have to be to fly from Key West Airport to Buffalo Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Key West Airport to Buffalo Airport.
What documentation or ID do you need to fly to Buffalo Airport?
The travel and health documents you'll need for your trip to Buffalo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buffalo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Key West to Buffalo?
momondo data reveals that the most frequently booked airline on the route from Key West to Buffalo is Delta, representing 54% of all bookings. The subsequent popular airline is American Airlines at 46%.

Best airlines flying from Key West to Buffalo

Compare and see reviews for airlines that fly from Key West to Buffalo with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $259	Free Cancellation	Rating 7.9 8,128 reviews		Search Delta flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.2 11,205 reviews		Search American Airlines flights

Batavia

Cheektowaga

Amherst

Tonawanda

Grand Island

Williamsville

Orchard Park

Lockport

West Seneca

Bowmansville

East Aurora

Eden

Angola

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Can I find flights from Key West to Buffalo with flexible booking policies on momondo?

All flight searches from Key West to Buffalo on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Key West to Buffalo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Key West to Buffalo.

I’m not ready to book a flight from Key West to Buffalo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Key West to Buffalo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buffalo and let you know when they change.