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Caribbean Islands

$104+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:42 amBUF - SJU
1 stop16h 08mFrontier
Tue 12/236:00 amSJU - BUF
1 stop7h 52mFrontier
Deal found 12/16$284
This Orbitz deal was found by Cheapflights users on 12/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:58 pmBUF - SJU
1 stop12h 00mFrontier
Wed 1/77:18 pmSJU - BUF
1 stop13h 55mFrontier
Deal found 12/16$302
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/167:00 amBUF - SJU
2 stops13h 26mUnited Airlines
Wed 12/247:45 amSJU - BUF
2 stops16h 48mUnited Airlines
Deal found 12/16$307
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:43 amBUF - SJU
1 stop21h 40mFrontier
Mon 12/295:22 pmSJU - BUF
1 stop25h 15mFrontier
Deal found 12/17$323
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:08 amBUF - SJU
1 stop21h 15mFrontier
Thu 1/16:00 amSJU - BUF
1 stop8h 12mFrontier
Deal found 12/16$325
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:43 amBUF - SJU
1 stop21h 40mFrontier
Thu 1/16:00 amSJU - BUF
1 stop8h 12mFrontier
Deal found 12/16$326
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:32 amBUF - SJU
1 stop9h 37mMultiple Airlines
Wed 12/2410:33 amSJU - BUF
1 stop11h 07mMultiple Airlines
Deal found 12/16$328
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:50 amBUF - SJU
1 stop9h 35mMultiple Airlines
Mon 12/296:00 amSJU - BUF
1 stop16h 08mMultiple Airlines
Deal found 12/17$340
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:35 pmBUF - PUJ
1 stop15h 53mAmerican Airlines
Tue 12/231:27 pmPUJ - BUF
1 stop10h 06mAmerican Airlines
Deal found 12/16$348
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:28 amBUF - SJU
1 stop22h 30mFrontier
Mon 12/226:00 amSJU - BUF
1 stop16h 08mFrontier
Deal found 12/16$353
This Delta deal was found by Cheapflights users on 12/16. 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.
Fri 12/196:25 pmBUF - PUJ
1 stop17h 16mDelta
Thu 12/254:00 pmPUJ - BUF
1 stop7h 33mDelta
Deal found 12/16$358
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:35 pmBUF - AUA
1 stop17h 09mAmerican Airlines
Mon 12/225:59 pmAUA - BUF
1 stop7h 00mAmerican Airlines
Deal found 12/16$366

Find 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 December 18, 2025.

Round-trip from

$228
(JetBlue)

One-way from

$104
(JetBlue)

Popular in

December

Cheapest in

September

Average price

$540
From Buffalo to Caribbean Islands
Search Deals
One-way flight from Buffalo to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Sat 4/4

6:00 am-1:15 pm

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Fri 4/10

6:20 pm-10:45 pm

Nonstop4h 25m

$228

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 1/24

11:24 am-10:22 pm

2 stops9h 58m

San Juan Luis Munoz Marin Intl

Fri 1/30

2:05 am-1:24 pm

2 stops12h 19m

$229

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 2/24

6:46 am-8:36 pm

2 stops12h 50m

San Juan Luis Munoz Marin Intl

Wed 3/4

1:58 pm-10:37 pm

2 stops9h 39m

$231

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 1/23

3:25 pm-11:48 pm

1 stop7h 23m

San Juan Luis Munoz Marin Intl

Thu 1/29

6:01 am-2:30 pm

1 stop9h 29m

$240

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 3/18

3:56 pm-10:18 pm

1 stop6h 22m

San Juan Luis Munoz Marin Intl

Mon 3/23

6:15 am-3:59 pm

1 stop9h 44m

$243

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 3/2

12:14 pm-11:58 pm

1 stop10h 44m

San Juan Luis Munoz Marin Intl

Wed 3/4

7:00 am-2:56 pm

1 stop8h 56m

$244

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 3/2

7:30 pm-3:50 am

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Tue 3/10

10:59 pm-9:27 am

1 stop10h 28m

$247

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 3/2

7:30 pm-3:50 am

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Wed 3/4

11:59 pm-9:28 am

1 stop10h 29m

$247

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 2/7

12:29 pm-11:59 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Sun 2/15

3:53 am-10:07 am

1 stop7h 14m

$249

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 3/2

7:30 pm-3:50 am

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Thu 3/12

5:10 am-12:34 pm

1 stop7h 24m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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, February is the cheapest month in which you can book a flight from Buffalo to Caribbean Islands (average of $89). Flying from Buffalo to Caribbean Islands in December is currently the most expensive (average of $261). 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 December 18, 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 40% 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 Wednesday mornings 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 December 18, 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
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,055 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,897 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 $228, JetBlue can have you in Caribbean Islands from Buffalo in 7h 15m. 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?

    $65 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and Delta, with prices starting from $102 and $102, 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 - Oranjestad Reina Beatrix and Buffalo - Punta Cana.

  • 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, February is the cheapest month in which you can book a flight from Buffalo to Caribbean Islands (average of $89). Flying from Buffalo to Caribbean Islands in December is currently the most expensive (average of $261). 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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Alternative routes for Buffalo to Caribbean Islands

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$269FlexibilityNo cancel feeOn-time62%
DeltaCheapest$152Average$535FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$225Average$678FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$239Average$535FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$245Average$555FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$264Average$559FlexibilityNo cancel feeOn-time71%

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