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Caribbean Islands

$113+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$225
(Southwest)

One-way from

$113
(Delta)

Popular in

December

Cheapest in

September

Average price

$305
From Buffalo to Caribbean Islands
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One-way flight from Buffalo to Caribbean Islands
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/113:45 pmBUF - SJU
1 stop7h 11mDelta
Thu 11/203:20 pmSJU - BUF
1 stop8h 37mDelta
Deal found 9/15$225
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:45 pmBUF - SJU
2 stops17h 39mFrontier
Wed 10/295:51 pmSJU - BUF
2 stops19h 46mFrontier
Deal found 9/14$229
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/316:07 amBUF - SJU
2 stops9h 47mAmerican Airlines
Wed 11/57:15 amSJU - BUF
1 stop10h 11mAmerican Airlines
Deal found 9/14$235
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/203:57 pmBUF - SJU
1 stop7h 59mDelta
Sat 10/257:00 amSJU - BUF
1 stop8h 10mDelta
Deal found 9/15$240
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/208:00 amBUF - SJU
1 stop15h 59mAmerican Airlines
Sat 10/257:10 amSJU - BUF
2 stops11h 00mAmerican Airlines
Deal found 9/15$241
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:17 pmBUF - SJU
2 stops21h 39mFrontier
Mon 9/299:07 amSJU - BUF
1 stop9h 07mFrontier
Deal found 9/15$250
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:59 pmBUF - SJU
1 stop7h 35mFrontier
Wed 9/249:26 pmSJU - BUF
2 stops20h 01mFrontier
Deal found 9/15$254
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:07 amBUF - SJU
1 stop7h 37mUnited Airlines
Wed 10/11:05 amSJU - BUF
2 stops8h 38mUnited Airlines
Deal found 9/14$255
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:13 pmBUF - SJU
2 stops18h 11mFrontier
Sat 10/257:58 pmSJU - BUF
2 stops15h 21mFrontier
Deal found 9/14$260
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:13 pmBUF - SJU
2 stops18h 11mFrontier
Sat 10/187:58 pmSJU - BUF
2 stops15h 21mFrontier
Deal found 9/15$262
This Priceline deal was found by Cheapflights users on 9/16. 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 12/56:45 amBUF - NAS
1 stop10h 37mJetBlue
Fri 12/121:31 pmNAS - BUF
1 stop9h 00mJetBlue
Deal found 9/16$313
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/285:14 amBUF - STT
2 stops10h 51mAmerican Airlines
Sun 11/24:17 pmSTT - BUF
2 stops19h 50mAmerican Airlines
Deal found 9/14$315

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 September 16, 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

Tue 10/7

4:15 pm-10:45 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Thu 10/16

5:50 am-12:10 pm

1 stop6h 20m

$225

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 11/15

3:45 pm-11:56 pm

1 stop7h 11m

San Juan Luis Munoz Marin Intl

Tue 11/18

3:20 pm-10:57 pm

1 stop8h 37m

$225

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 10/29

1:05 pm-10:45 pm

1 stop9h 40m

San Juan Luis Munoz Marin Intl

Mon 11/3

6:40 am-2:20 pm

1 stop8h 40m

$225

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 11/11

6:00 am-5:26 pm

1 stop10h 26m

San Juan Luis Munoz Marin Intl

Thu 11/20

3:20 pm-10:57 pm

1 stop8h 37m

$225

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 11/13

3:40 pm-1:25 am

1 stop8h 45m

San Juan Luis Munoz Marin Intl

Wed 11/19

6:40 am-12:05 pm

1 stop6h 25m

$225

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 10/20

3:57 pm-11:56 pm

1 stop7h 59m

San Juan Luis Munoz Marin Intl

Sat 10/25

7:00 am-3:10 pm

1 stop8h 10m

$225

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 10/14

3:57 pm-11:56 pm

1 stop7h 59m

San Juan Luis Munoz Marin Intl

Tue 10/21

7:00 am-3:10 pm

1 stop8h 10m

$240

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 10/2

6:00 am-4:31 pm

1 stop10h 31m

San Juan Luis Munoz Marin Intl

Thu 10/9

1:06 pm-11:56 pm

1 stop10h 50m

$240

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 9/28

7:07 am-2:44 pm

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Thu 10/2

1:30 pm-10:42 pm

1 stop9h 12m

$255

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Tue 10/28

5:14 am-4:05 pm

2 stops10h 51m

Saint Thomas Island Cyril E King

Sun 11/2

4:17 pm-11:07 am

2 stops19h 50m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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, September is the cheapest month in which you can book a flight from Buffalo to Caribbean Islands (average of $254). Flying from Buffalo to Caribbean Islands in June is currently the most expensive (average of $339). 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 September 16, 2025.

When flying from Buffalo to Caribbean Islands, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 16, 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
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
2,914 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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 $225, Southwest can have you in Caribbean Islands from Buffalo in 6h 30m. 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 Southwest and American Airlines, with prices starting from $113 and $171, 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, September is the cheapest month in which you can book a flight from Buffalo to Caribbean Islands (average of $254). Flying from Buffalo to Caribbean Islands in June is currently the most expensive (average of $339). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$135Average$266FlexibilityNo cancel feeOn-time62%
DeltaCheapest$167Average$501FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$243Average$737FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$263Average$568FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$265Average$560FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$295Average$678FlexibilityNo cancel feeOn-time69%

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