What are the cheapest airlines flying from Key West to Buffalo round-trip?

Flying on Delta is currently your cheapest option to Buffalo, with prices starting at $319. Another option worth looking into is American Airlines, starting at $329 round trip. Delta is currently priced 26% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Key West to Buffalo one-way?

One-way options have recently been found by users for as low as $184 on United Airlines. Other airlines that offer cheap prices include American Airlines from $197 and JetBlue from $220 one-way.

What is the cheapest month to book a flight from Key West to Buffalo?

Currently, January is the cheapest month in which you can book a flight from Key West to Buffalo (average of $256). Flying from Key West to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Key West to Buffalo?

Travelers seeking maximum savings on their Key West to Buffalo flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Key West to Buffalo?

It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Key West to Buffalo?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, October can be a great choice for travel to Buffalo. Flights to Buffalo from Key West in October are about $434 on average during October, but can be found for as low as $212.

What is the cheapest time of day to fly from EYW to BUF?

One of the essential ways to save on airfare from Key West to Buffalo is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 30% on airfare.

Most accurate provider : When it comes to deals on Key West-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Key West-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-Buffalo flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Key West-Buffalo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Key West-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Key West to Buffalo that include hotel bookings?

Yes. In addition to deals on Key West to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Key West to Buffalo?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to Buffalo.

Can I find deals for business class flights from Key West to Buffalo?

Yes. Cheapflights offers flight deals from Key West to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$184+ Flights from Key West to Buffalo - Compare & Save Big

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Find cheap flights from Key West to Buffalo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Key West to Buffalo

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$319 (Delta)
One-way from	$184 (United Airlines)
Popular in	February
Cheapest in	October
Average price	$259

Provider with most accurate pricing for Key West-Buffalo flight deals.

Search Deals

Provider most trusted by Cheapflights users for Key West-Buffalo flights.

Search Deals

From Key West to Buffalo

Search Deals

One-way flight from Key West to Buffalo

Search Deals

Highest demand for flights based on searches. 29% potential increase in price ($179 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 14% potential price decrease ($55 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Find flight deals from Key West to Buffalo

Cheapest flights from Key West to Buffalo
Explore the most affordable flight options available from Key West to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

mié. 5/146:25 pmEYW - BUF

1 stop5h 28mDelta

mar. 5/206:00 amBUF - EYW

1 stop4h 51mDelta

Deal found 4/30

$319

mié. 5/141:39 pmEYW - BUF

2 stops10h 14mAmerican Airlines

mar. 5/206:01 amBUF - EYW

2 stops6h 50mAmerican Airlines

Deal found 4/30

$329

Best flights from Key West to Buffalo
Discover carefully curated flight deals from Key West to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mayo 1, 2025.

mié. 5/146:25 pmEYW - BUF

1 stop5h 28mDelta

mar. 5/206:00 amBUF - EYW

1 stop4h 51mDelta

Deal found 4/30

$319

mié. 5/141:39 pmEYW - BUF

2 stops10h 14mAmerican Airlines

mar. 5/206:01 amBUF - EYW

2 stops6h 50mAmerican Airlines

Deal found 4/30

$329

Last-minute flights from Key West to Buffalo
Discover last-minute flight deals from Key West to Buffalo. Data last updated mayo 1, 2025 and is based on user searches.

mié. 5/146:25 pmEYW - BUF

1 stop5h 28mDelta

mar. 5/206:00 amBUF - EYW

1 stop4h 51mDelta

Deal found 4/30

$319

mié. 5/141:39 pmEYW - BUF

2 stops10h 14mAmerican Airlines

mar. 5/206:01 amBUF - EYW

2 stops6h 50mAmerican Airlines

Deal found 4/30

$329

One-way flights from Key West to Buffalo
Search for one-way flight options from Key West to Buffalo. Find affordable one-way fares based on user searches. Data last updated mayo 1, 2025.

vie. 7/116:45 pmEYW - BUF

2 stops28h 53mUnited Airlines

Deal found 4/30

$184

lun. 7/284:58 pmEYW - BUF

1 stop5h 59mAmerican Airlines

Deal found 4/30

$197

vie. 7/118:45 amEYW - BUF

1 stop6h 13mJetBlue

Deal found 4/30

$220

sáb. 10/187:00 amEYW - BUF

1 stop7h 30mDelta

Deal found 4/30

$250

vie. 7/1112:01 pmEYW - BUF

3 stops28h 13mAlaska Airlines

Deal found 4/30

$772

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

mié. 5/14

6:25 pm-11:53 pm

1 stop5h 28m

Buffalo

mar. 5/20

6:00 am-10:51 am

1 stop4h 51m

$319

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

mié. 5/14

1:39 pm-11:53 pm

2 stops10h 14m

Buffalo

mar. 5/20

6:01 am-12:51 pm

2 stops6h 50m

$329

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

vie. 7/11

6:45 pm-11:38 pm

2 stops28h 53m

$184

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

lun. 7/28

4:58 pm-10:57 pm

1 stop5h 59m

$197

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

vie. 7/11

8:45 am-2:58 pm

1 stop6h 13m

$220

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

sáb. 10/18

7:00 am-2:30 pm

1 stop7h 30m

$250

Key WestBuffalo

EYW - BUF

EYWBUF

Key West

vie. 7/11

12:01 pm-4:14 pm

3 stops28h 13m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Compare providers for flights from Key West to Buffalo

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Key West to Buffalo in May.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Key West-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Key West-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-Buffalo flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Key West-Buffalo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Key West-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Key West to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Key West with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Key West to Buffalo

Rainfall in Buffalo by month

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,968 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,934 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

JetBlue

7.3

Good

2,922 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Key West to Buffalo round-trip?
Flying on Delta is currently your cheapest option to Buffalo, with prices starting at $319. Another option worth looking into is American Airlines, starting at $329 round trip. Delta is currently priced 26% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Key West to Buffalo one-way?
One-way options have recently been found by users for as low as $184 on United Airlines. Other airlines that offer cheap prices include American Airlines from $197 and JetBlue from $220 one-way.
Can I find deals for flights from Key West to Buffalo that include hotel bookings?
Yes. In addition to deals on Key West to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Key West to Buffalo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to Buffalo.
Can I find deals for business class flights from Key West to Buffalo?
Yes. Cheapflights offers flight deals from Key West to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Key West to Buffalo?
Currently, January is the cheapest month in which you can book a flight from Key West to Buffalo (average of $256). Flying from Key West to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Key West to Buffalo

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$259	Average$359	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$287	Average$418	FlexibilityNo cancel fee	On-time71%

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$184+ Cheap flights from Key West to Buffalo (EYW - BUF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Key West to Buffalo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Key West to Buffalo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Key West to Buffalo

Cheapest flights from Key West to BuffaloExplore the most affordable flight options available from Key West to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

Explore the most affordable flight options available from Key West to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Key West to Buffalo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Key West to Buffalo in May.

Best time to book a flight from Key West to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Key West with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Key West to Buffalo

Rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average rainfall totals by month.

Temperature in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature totals by month.

Reviews of airlines servicing Buffalo

Related info for your journey

Find useful and relevant information for your journey from Key West to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Key West to Buffalo round-trip?

What are the cheapest airlines to fly from Key West to Buffalo one-way?

Can I find deals for flights from Key West to Buffalo that include hotel bookings?

How can I find direct flights from Key West to Buffalo?

Can I find deals for business class flights from Key West to Buffalo?

What is the cheapest month to book a flight from Key West to Buffalo?

Traveling to a place near Key West?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Key West to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Key West to Buffalo

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Book with Flexibility

Travel Smart

Cheapest flights from Key West to Buffalo
Explore the most affordable flight options available from Key West to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.