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Caribbean Islands

$84+ Cheap flights from Buffalo (BUF) to Caribbean Islands

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Buffalo to Caribbean Islands

Cheapest flights from Buffalo to Caribbean Islands
Explore the most affordable flight options available from Buffalo to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2910:24 amBUF - SJU
1 stop13h 42mFrontier
Sun 12/77:00 amSJU - BUF
1 stop10h 00mFrontier
Deal found 10/30$246
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:00 amBUF - SJU
1 stop9h 20mDelta
Wed 11/197:15 amSJU - BUF
1 stop8h 50mDelta
Deal found 10/28$253
This Frontier deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:29 pmBUF - SJU
2 stops12h 03mFrontier
Thu 11/203:59 amSJU - BUF
1 stop11h 44mFrontier
Deal found 10/28$254
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:48 amBUF - SJU
2 stops9h 34mUnited Airlines
Tue 11/182:05 amSJU - BUF
2 stops12h 12mUnited Airlines
Deal found 10/29$257
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amBUF - SJU
1 stop7h 22mJetBlue
Wed 11/198:05 amSJU - BUF
1 stop8h 34mJetBlue
Deal found 10/30$264
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:00 amBUF - SJU
1 stop13h 30mSouthwest
Wed 11/123:55 pmSJU - BUF
1 stop7h 30mSouthwest
Deal found 10/29$268
This Frontier deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:54 pmBUF - SJU
2 stops17h 25mFrontier
Thu 11/203:59 amSJU - BUF
1 stop11h 44mFrontier
Deal found 10/28$275
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:10 pmBUF - SJU
1 stop8h 55mSouthwest
Wed 11/196:40 amSJU - BUF
1 stop6h 25mSouthwest
Deal found 10/29$277
This JetBlue deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:00 amBUF - SJU
1 stop7h 22mJetBlue
Wed 11/191:59 amSJU - BUF
1 stop8h 00mJetBlue
Deal found 10/28$282
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:10 pmBUF - SJU
1 stop10h 10mDelta
Thu 12/183:32 pmSJU - BUF
1 stop9h 27mDelta
Deal found 10/30$284
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:00 amBUF - SJU
1 stop7h 40mUnited Airlines
Fri 11/147:45 amSJU - BUF
2 stops16h 37mUnited Airlines
Deal found 10/29$285
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:30 amBUF - SJU
1 stop13h 20mSouthwest
Thu 11/205:45 amSJU - BUF
2 stops9h 35mSouthwest
Deal found 10/29$290

Cheap flight deals from Buffalo to Caribbean Islands

Keep the following information in mind while searching for Buffalo to Caribbean Islands flight deals. Data was last updated October 30, 2025.

Round-trip from

$242
(Mytrip)

One-way from

$84
(Priceline)

Popular in

December

Cheapest in

September

Average price

$378
From Buffalo to Caribbean Islands
Search Deals
One-way flight from Buffalo to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Caribbean Islands 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Buffalo to Caribbean Islands that are best for you.

Fly from

Buffalo

Fly to

Caribbean Islands

Route

Depart

Return

Price

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 1/21

10:45 am-10:22 pm

2 stops10h 37m

San Juan Luis Munoz Marin Intl

Fri 1/23

8:10 am-8:29 pm

2 stops13h 19m

$250

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 11/10

7:00 am-5:20 pm

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Thu 11/20

7:15 am-3:05 pm

1 stop8h 50m

$253

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 11/5

7:00 am-9:30 pm

1 stop13h 30m

San Juan Luis Munoz Marin Intl

Wed 11/12

3:55 pm-10:25 pm

1 stop7h 30m

$268

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 11/11

7:00 am-3:22 pm

1 stop7h 22m

San Juan Luis Munoz Marin Intl

Thu 11/20

5:23 am-10:51 am

1 stop6h 28m

$282

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 11/14

10:08 am-6:20 pm

1 stop7h 12m

San Juan Luis Munoz Marin Intl

Wed 11/19

9:30 am-3:39 pm

1 stop7h 09m

$282

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 11/14

10:08 am-6:20 pm

1 stop7h 12m

San Juan Luis Munoz Marin Intl

Thu 11/20

5:23 am-10:51 am

1 stop6h 28m

$282

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 11/8

7:28 pm-3:48 am

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Mon 11/17

12:30 pm-8:34 pm

1 stop9h 04m

$282

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 11/10

7:00 am-3:40 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Fri 11/14

7:45 am-11:22 pm

2 stops16h 37m

$285

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 11/12

12:40 pm-12:35 am

2 stops10h 55m

San Juan Luis Munoz Marin Intl

Wed 11/19

6:40 am-12:05 pm

1 stop6h 25m

$299

BuffaloPunta Cana

BUF - PUJ

BUFPUJ

Buffalo

Fri 1/9

6:53 pm-12:55 pm

1 stop17h 02m

Punta Cana

Fri 1/16

2:10 pm-11:41 pm

1 stop10h 31m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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Best time to book a flight from Buffalo to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands from Buffalo 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 Buffalo to Caribbean Islands

What is the cheapest month to book a flight from Buffalo to Caribbean Islands?

Currently, May is the cheapest month in which you can book a flight from Buffalo to Caribbean Islands (average of $141). Flying from Buffalo to Caribbean Islands in November is currently the most expensive (average of $212). 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 time of day to fly from BUF to EPX?

Find hourly flight availability from Buffalo to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to Caribbean Islands at noon. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Buffalo to Caribbean Islands?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to Caribbean Islands. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Buffalo to Caribbean Islands flight should consider departing on Monday 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.

Reviews of airlines servicing Caribbean Islands

Get insights into the airlines that provide service to Caribbean Islands. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Caribbean Islands. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Buffalo to Caribbean Islands to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,906 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • What airport do you fly from for flights from Buffalo to Caribbean Islands?

    Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to Caribbean Islands. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.

  • How long is the flight from Buffalo to Caribbean Islands?

    For as low as $253, United Airlines can have you in Caribbean Islands from Buffalo in 9h 20m. The distance from Buffalo to Caribbean Islands is about 1848 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Buffalo to Caribbean Islands one-way?

    $113 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and JetBlue, with prices starting from $120 and $123, respectively.

  • What are the most popular routes from Buffalo to Caribbean Islands?

    The most popular flight routes from Buffalo to Caribbean Islands are Buffalo - San Juan Luis Munoz Marin Intl, Buffalo - Punta Cana and Buffalo - Oranjestad Reina Beatrix.

  • Can I find deals for flights from Buffalo to Caribbean Islands that include hotel bookings?

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

  • How can I find direct flights from Buffalo to Caribbean Islands?

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

  • Can I find deals for business class flights from Buffalo to Caribbean Islands?

    Yes. Cheapflights offers flight deals from Buffalo to Caribbean Islands 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 Buffalo to Caribbean Islands?

    Currently, May is the cheapest month in which you can book a flight from Buffalo to Caribbean Islands (average of $141). Flying from Buffalo to Caribbean Islands in November is currently the most expensive (average of $212). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Buffalo to Caribbean Islands

Discover the top 6 airlines that operate flights from Buffalo to Caribbean Islands. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$269FlexibilityNo cancel feeOn-time62%
DeltaCheapest$161Average$520FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$225Average$710FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$264Average$526FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$276Average$556FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$284Average$544FlexibilityNo cancel feeOn-time69%

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