Caribbean

$121+ Cheap flights from Buffalo (BUF) to Caribbean

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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Jul 18 — Jul 251
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Cheap flight deals from Buffalo to Caribbean

Cheapest flights from Buffalo to Caribbean
Explore the most affordable flight options available from Buffalo to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.

This Priceline deal was found by Cheapflights users on 6/13. 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 6/207:00 am
BUF
-
SJU
Nonstop4h 43m
JetBlue
Fri 6/266:20 pm
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 6/13$295
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 am
BUF
-
SJU
Nonstop4h 33m
JetBlue
Fri 8/146:20 pm
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 6/15$300
This Justfly.com deal was found by Cheapflights users on 6/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
BUF
-
SJU
Nonstop4h 33m
JetBlue
Sat 8/226:20 pm
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 6/14$305
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 9/117:34 pm
BUF
-
SJU
2 stops13h 50m
American Airlines
Thu 9/172:22 pm
SJU
-
BUF
1 stop9h 18m
American Airlines
Deal found 6/15$312
This American Airlines deal was found by Cheapflights users on 6/15. 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 8/126:00 am
BUF
-
SJU
1 stop16h 24m
American Airlines
Wed 8/197:30 am
SJU
-
BUF
2 stops9h 59m
American Airlines
Deal found 6/15$317
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:05 am
BUF
-
STT
1 stop7h 39m
Delta
Tue 9/222:54 pm
STT
-
BUF
1 stop9h 00m
Delta
Deal found 6/17$320
This Faresmojo deal was found by Cheapflights users on 6/13. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:35 am
BUF
-
SJU
1 stop9h 23m
JetBlue
Mon 8/316:20 pm
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 6/13$321
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:50 am
BUF
-
SJU
1 stop6h 45m
Southwest
Wed 9/3011:50 am
SJU
-
BUF
2 stops9h 15m
Southwest
Deal found 6/17$322
This American Airlines deal was found by Cheapflights users on 6/14. 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 9/96:00 am
BUF
-
SJU
2 stops8h 50m
American Airlines
Thu 10/83:50 pm
SJU
-
BUF
1 stop8h 21m
American Airlines
Deal found 6/14$324
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:00 am
BUF
-
SJU
Nonstop4h 33m
JetBlue
Sat 8/156:20 pm
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 6/13$325
This Delta deal was found by Cheapflights users on 6/16. 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.
Sun 9/66:05 am
BUF
-
SJU
1 stop10h 33m
Delta
Sat 9/123:10 pm
SJU
-
BUF
1 stop7h 26m
Delta
Deal found 6/16$326
This American Airlines deal was found by Cheapflights users on 6/18. 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 8/196:00 am
BUF
-
SJU
2 stops10h 11m
American Airlines
Wed 9/27:00 am
SJU
-
BUF
1 stop7h 26m
American Airlines
Deal found 6/18$327

Find flight deals from Buffalo to Caribbean

Keep the following information in mind while searching for Buffalo to Caribbean flight deals. Data was last updated June 18, 2026.

Round-trip from

$295
(Priceline)

One-way from

$121
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$375

Good round-trip deal

$350 or less

Good one-way deal

$158 or less
From Buffalo to Caribbean
One-way flight from Buffalo to Caribbean
Highest demand for flights based on searches. 12% potential increase in price ($51 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Buffalo to Caribbean.
Price to beat on a one-way flight from Buffalo to Caribbean.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Caribbean 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 June 18, 2026.
Use the filters below to find and compare flights from Buffalo to Caribbean that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 9/5

10:40 am-6:05 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Thu 9/10

10:00 am-6:25 pm

2 stops8h 25m

$312

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 9/16

7:00 am-8:38 pm

2 stops13h 38m

San Juan Luis Munoz Marin Intl

Sat 9/19

7:00 am-9:07 pm

2 stops14h 07m

$312
Quickest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 9/16

6:50 am-1:35 pm

1 stop6h 45m

San Juan Luis Munoz Marin Intl

Sat 9/19

2:00 pm-9:05 pm

1 stop7h 05m

$312

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 9/15

7:00 am-8:38 pm

2 stops13h 38m

San Juan Luis Munoz Marin Intl

Sat 9/19

7:00 am-9:07 pm

2 stops14h 07m

$322

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 9/6

6:05 am-4:38 pm

1 stop10h 33m

San Juan Luis Munoz Marin Intl

Sat 9/12

3:10 pm-10:36 pm

1 stop7h 26m

$326

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 11/8

6:00 am-1:41 pm

1 stop6h 41m

San Juan Luis Munoz Marin Intl

Wed 11/11

8:30 am-8:31 pm

2 stops13h 01m

$343

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Wed 9/16

2:23 pm-12:51 pm

2 stops22h 28m

Saint Thomas Island Cyril E King

Wed 9/23

1:41 pm-10:18 am

2 stops20h 37m

$344

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Mon 8/31

6:50 am-2:59 pm

1 stop8h 09m

Saint Thomas Island Cyril E King

Mon 9/7

4:42 pm-12:38 pm

2 stops19h 56m

$349

BuffaloNassau

BUF - NAS

BUFNAS

Buffalo

Sun 9/20

7:51 pm-1:26 pm

2 stops17h 35m

Nassau Intl

Sat 9/26

6:45 pm-11:39 am

2 stops16h 54m

$354

BuffaloNassau

BUF - NAS

BUFNAS

Buffalo

Sat 7/25

5:20 am-3:13 pm

2 stops9h 53m

Nassau Intl

Tue 7/28

12:39 pm-9:07 pm

2 stops8h 28m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Buffalo to Caribbean

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

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

Currently, December is the cheapest month in which you can book a flight from Buffalo to Caribbean (average of $103). Flying from Buffalo to Caribbean in May is currently the most expensive (average of $680). 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 CB?

Find hourly flight availability from Buffalo to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Caribbean as you normally would.

How far ahead should I book a flight from Buffalo to Caribbean?

The price you pay for your flight from Buffalo to Caribbean may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Caribbean

Get insights into the airlines that provide service to Caribbean. 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. Reviews last updated June 18, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Buffalo to Caribbean by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Overall

7.9

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Overall

7.9

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Overall

7.9

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Overall

7.9

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Overall

7.9

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Caribbean. 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?

    If you book a flight to Caribbean from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 8.3 mi from the center of Buffalo.

  • How long is the flight from Buffalo to Caribbean?

    For as low as $312, Southwest can have you in Caribbean from Buffalo in 6h 45m. Airlines will cover a distance of 1848 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $96. Users have also found prices from $96 and $102 on American Airlines and Southwest, respectively.

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

  • What are the cheapest flights from Buffalo to Caribbean?

    Looking at all options, your cheapest flight can be booked for $158. While the most popular route (Buffalo - San Juan Luis Munoz Marin Intl) can be booked for $300 on average, our data indicates $299 when flying from Buffalo to Caribbean.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buffalo to Caribbean 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?

    Currently, December is the cheapest month in which you can book a flight from Buffalo to Caribbean (average of $103). Flying from Buffalo to Caribbean in May is currently the most expensive (average of $680). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buffalo to Caribbean

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

Top 6 airlines flying from Buffalo to Caribbean

Discover the top 6 airlines that operate flights from Buffalo to Caribbean. 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$106Average$436FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$129Average$267FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$138Average$552FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$204Average$499FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$225Average$624FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$231Average$548FlexibilityNo cancel feeOn-time71%

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