How do I get Price Alerts for flights from Key West to Buffalo?

Price Alerts will notify you by email when the price for flights to Buffalo from Key West decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Key West to Buffalo with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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 September 2026, there is 1 operator 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.

$137 Cheap Flights from Key West to Buffalo in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Key West to Buffalo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:59 am - 5:52 pmEYW Key West-BUF Buffalo

6h 53m1 stop Orlando

2:00 pm - 10:19 amBUF Buffalo-EYW Key West

20h 19m2 stops Atlanta Hartsfield-Jackson Orlando

$308Multiple Airlines

Sun, Oct 18 - Wed, Oct 28

10:59 am - 5:52 pmEYW Key West-BUF Buffalo

6h 53m1 stop Orlando

2:00 pm - 10:19 amBUF Buffalo-EYW Key West

20h 19m2 stops Atlanta Hartsfield-Jackson Orlando

$319Multiple Airlines

Thu, Oct 22 - Wed, Oct 28

12:01 pm - 12:59 pmEYW Key West-BUF Buffalo

24h 58m2 stops Tampa Atlanta Hartsfield-Jackson

12:53 pm - 10:19 amBUF Buffalo-EYW Key West

21h 26m1 stop Orlando

$332Multiple Airlines

Thu, Oct 22 - Sun, Oct 25

10:59 am - 5:52 pmEYW Key West-BUF Buffalo

6h 53m1 stop Orlando

12:53 pm - 10:19 amBUF Buffalo-EYW Key West

21h 26m1 stop Orlando

$379Multiple Airlines

Thu, Oct 22 - Sun, Oct 25

6:10 pm - 11:59 pmEYW Key West-BUF Buffalo

5h 49m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:47 amBUF Buffalo-EYW Key West

4h 47m1 stop Atlanta Hartsfield-Jackson

$406Delta

Tue, Oct 20 - Wed, Oct 28

11:51 am - 5:49 pmEYW Key West-BUF Buffalo

5h 58m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:47 amBUF Buffalo-EYW Key West

4h 47m1 stop Atlanta Hartsfield-Jackson

$406Delta

Wed, Oct 21 - Wed, Oct 28

7:40 am - 2:58 pmEYW Key West-BUF Buffalo

7h 18m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:47 amBUF Buffalo-EYW Key West

4h 47m1 stop Atlanta Hartsfield-Jackson

$483Delta

Mon, Oct 19 - Wed, Oct 28

6:10 pm - 11:59 pmEYW Key West-BUF Buffalo

5h 49m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:47 amBUF Buffalo-EYW Key West

4h 47m1 stop Atlanta Hartsfield-Jackson

$483Delta

Thu, Oct 22 - Wed, Oct 28

5:34 pm - 11:32 pmEYW Key West-BUF Buffalo

5h 58m1 stop Philadelphia

8:00 am - 4:58 pmBUF Buffalo-EYW Key West

8h 58m2 stops Philadelphia Miami

$528American Airlines

Tue, Oct 20 - Wed, Oct 28

7:40 am - 2:53 pmEYW Key West-BUF Buffalo

7h 13m1 stop Atlanta Hartsfield-Jackson

6:15 am - 8:01 pmBUF Buffalo-EYW Key West

13h 46m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

$574Delta

Wed, Oct 21 - Wed, Oct 28

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Delta flights from Key West to Buffalo

Our best Delta deals on Key West to Buffalo flight tickets

Delta

Oct 20

EYW6:10 pmKey West

5h 49m

1 stop

BUF11:59 pmBuffalo

Oct 28

BUF6:00 amBuffalo

4h 47m

1 stop

EYW10:47 amKey West

$406

Delta

Oct 19

EYW7:40 amKey West

7h 18m

1 stop

BUF2:58 pmBuffalo

Oct 28

BUF6:00 amBuffalo

4h 47m

1 stop

EYW10:47 amKey West

$483

Delta

Oct 21

EYW7:40 amKey West

7h 13m

1 stop

BUF2:53 pmBuffalo

Oct 28

BUF6:15 amBuffalo

13h 46m

2 stops

EYW8:01 pmKey West

$574

American Airlines flights from Key West to Buffalo

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

American Airlines

Oct 20

EYW5:34 pmKey West

5h 58m

1 stop

BUF11:32 pmBuffalo

Oct 28

BUF8:00 amBuffalo

8h 58m

2 stops

EYW4:58 pmKey West

$528

American Airlines

Oct 20

EYW5:28 pmKey West

6h 31m

2 stops

BUF11:59 pmBuffalo

Oct 28

BUF6:08 amBuffalo

10h 03m

2 stops

EYW4:11 pmKey West

$597

American Airlines

Oct 19

EYW8:03 pmKey West

18h 21m

2 stops

BUF2:24 pmBuffalo

Oct 28

BUF6:00 amBuffalo

10h 58m

2 stops

EYW4:58 pmKey West

$701

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestBuffalo

EYW Key West - BUF Buffalo

EYWBUF

Key West

Sun 10/18

10:59 am-5:52 pm

1 stop6h 53m

Buffalo

Wed 10/28

2:00 pm-10:19 am

2 stops20h 19m

$308

Key WestBuffalo

EYW Key West - BUF Buffalo

EYWBUF

Key West

Thu 10/22

10:59 am-5:52 pm

1 stop6h 53m

Buffalo

Wed 10/28

2:00 pm-10:19 am

2 stops20h 19m

$319

Key WestBuffalo

EYW Key West - BUF Buffalo

EYWBUF

Key West

Thu 10/22

12:01 pm-12:59 pm

2 stops24h 58m

Buffalo

Sun 10/25

12:53 pm-10:19 am

1 stop21h 26m

$332

Key WestBuffalo

EYW Key West - BUF Buffalo

EYWBUF

Key West

Thu 10/22

10:59 am-5:52 pm

1 stop6h 53m

Buffalo

Sun 10/25

12:53 pm-10:19 am

1 stop21h 26m

$379

Quickest round-trip

Key WestBuffalo

EYW Key West - BUF Buffalo

EYWBUF

Key West

Tue 10/20

6:10 pm-11:59 pm

1 stop5h 49m

Buffalo

Wed 10/28

6:00 am-10:47 am

1 stop4h 47m

$406

Key WestBuffalo

EYW Key West - BUF Buffalo

EYWBUF

Key West

Wed 10/21

11:51 am-5:49 pm

1 stop5h 58m

Buffalo

Wed 10/28

6:00 am-10:47 am

1 stop4h 47m

$406

Key WestBuffalo

EYW Key West - BUF Buffalo

EYWBUF

Key West

Mon 10/19

7:40 am-2:58 pm

1 stop7h 18m

Buffalo

Wed 10/28

6:00 am-10:47 am

1 stop4h 47m

$483

Key WestBuffalo

EYW Key West - BUF Buffalo

EYWBUF

Key West

Thu 10/22

6:10 pm-11:59 pm

1 stop5h 49m

Buffalo

Wed 10/28

6:00 am-10:47 am

1 stop4h 47m

$483

Key WestBuffalo

EYW Key West - BUF Buffalo

EYWBUF

Key West

Tue 10/20

5:34 pm-11:32 pm

1 stop5h 58m

Buffalo

Wed 10/28

8:00 am-4:58 pm

2 stops8h 58m

$528

Key WestBuffalo

EYW Key West - BUF Buffalo

EYWBUF

Key West

Wed 10/21

7:40 am-2:53 pm

1 stop7h 13m

Buffalo

Wed 10/28

6:15 am-8:01 pm

2 stops13h 46m

$574

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Best Price Found	$137
Fastest flight time	24h 58m
Direct flights	None

The best one-way flight to Buffalo from Key West in the past 72 hours is $137. The best round-trip flight deal from Key West to Buffalo found on momondo in the last 72 hours is $308.

The fastest flight from Key West to Buffalo takes 24h 58m

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

Search flight deals

Frequently asked questions about flying from Key West to Buffalo

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 24h 58m.
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 September 2026, there is 1 operator 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 100% of all bookings.

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 $322	Free Cancellation	Rating 7.8 8,611 reviews		Search Delta flights

Frequently asked questions about flying from Key West to Buffalo

How do I get Price Alerts for flights from Key West to Buffalo?
Price Alerts will notify you by email when the price for flights to Buffalo from Key West decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Key West to Buffalo with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Batavia

Cheektowaga

Amherst

Williamsville

Tonawanda

Bowmansville

Lockport

West Seneca

Orchard Park

Grand Island

East Aurora

Angola

Why use momondo?

Why should I use momondo to find a flight deal from Key West to Buffalo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Key West to Buffalo. Millions of users trust and use momondo every year so you are in good hands.

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.

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Cheap flights from Key West to Buffalo from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Buffalo 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.

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Delta flights from Key West to Buffalo

Our best Delta deals on Key West to Buffalo flight tickets

American Airlines flights from Key West to Buffalo

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

momondo Fare Finder

Use the filters below to find and compare flights from Key West to Buffalo that are best for you.

When to book flights from Key West to Buffalo

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

Best Price Found

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Frequently asked questions about flying from Key West to Buffalo

Best airlines flying from Key West to Buffalo

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

Frequently asked questions about flying from Key West to Buffalo

Traveling to a place near Buffalo?

Why use momondo?

An easier way to manage your Buffalo 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing New York

Fly your favorite airline to Buffalo

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buffalo

List of cabin classes available on flights landing in Buffalo. Availability may vary depending on flight origin and airline.

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