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Cheap flights from Buffalo to Caribbean Islands from C$ 128

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
11 Mar — 18 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Caribbean Islands

Enter your travel dates to find the best prices.

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 9 February 2026.

Sun 22/211:34 a.m.
BUF
-
SJU
1 stop14h 19m
Frontier
Fri 27/27:09 p.m.
SJU
-
BUF
1 stop23h 36m
Frontier
Deal found 7/2C$ 284
Wed 6/512:06 p.m.
BUF
-
SJU
1 stop11h 07m
Delta
Thu 14/52:20 p.m.
SJU
-
BUF
1 stop9h 39m
Delta
Deal found 8/2C$ 290
Sun 22/23:00 p.m.
BUF
-
SJU
1 stop7h 58m
JetBlue
Thu 26/211:59 p.m.
SJU
-
BUF
1 stop10h 36m
JetBlue
Deal found 7/2C$ 291
Wed 16/97:40 p.m.
BUF
-
STT
2 stops17h 10m
American Airlines
Wed 23/95:40 p.m.
STT
-
BUF
2 stops18h 35m
American Airlines
Deal found 6/2C$ 293
Sat 21/24:37 p.m.
BUF
-
SJU
1 stop19h 50m
Frontier
Fri 27/27:09 p.m.
SJU
-
BUF
1 stop23h 36m
Frontier
Deal found 7/2C$ 293
Tue 3/36:00 a.m.
BUF
-
STT
1 stop8h 04m
Delta
Tue 10/33:55 p.m.
STT
-
BUF
1 stop8h 19m
Delta
Deal found 8/2C$ 301
Tue 26/56:00 a.m.
BUF
-
SJU
1 stop7h 45m
United Airlines
Fri 29/51:25 p.m.
SJU
-
BUF
2 stops10h 27m
United Airlines
Deal found 8/2C$ 303
Sat 21/24:37 p.m.
BUF
-
SJU
1 stop19h 50m
Frontier
Sat 28/25:25 p.m.
SJU
-
BUF
1 stop17h 27m
Frontier
Deal found 7/2C$ 306
Mon 23/37:58 p.m.
BUF
-
SJU
1 stop6h 29m
JetBlue
Sat 28/36:20 p.m.
SJU
-
BUF
Nonstop4h 49m
JetBlue
Deal found 6/2C$ 325
Wed 6/56:04 a.m.
BUF
-
SJU
2 stops14h 30m
United Airlines
Tue 12/54:55 p.m.
SJU
-
BUF
1 stop6h 49m
United Airlines
Deal found 6/2C$ 331
Wed 6/54:00 p.m.
BUF
-
SJU
1 stop6h 40m
Southwest
Tue 12/55:05 a.m.
SJU
-
BUF
1 stop9h 30m
Southwest
Deal found 6/2C$ 334
Wed 4/36:00 a.m.
BUF
-
STT
1 stop8h 04m
Delta
Thu 12/33:00 p.m.
STT
-
BUF
1 stop8h 46m
Delta
Deal found 8/2C$ 340

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 9 February 2026.

Round-trip from

C$ 284

One-way from

C$ 128

Popular in

April

Cheapest in

September

Average price

C$ 774
Frontier
  • Frontier
  • 22/2-27/2
  • 2 total stops
  • 37h 55m total
  • Buffalo to Caribbean Islands
Search Deals
United Airlines
  • United Airlines
  • 29/4
  • 2 total stops
  • 16h 23m total
  • Buffalo to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 629,999 searches. Data last updated 9 February 2026.
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

Mon 23/2

6:07 a.m.-1:17 p.m.

1 stop6h 10m

San Juan Luis Munoz Marin Intl

Wed 25/2

2:05 a.m.-1:12 p.m.

2 stops12h 07m

C$ 290

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 19/5

7:00 a.m.-4:23 p.m.

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Thu 28/5

1:55 p.m.-11:59 p.m.

1 stop10h 04m

C$ 290

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 25/4

6:09 a.m.-8:34 p.m.

2 stops14h 25m

San Juan Luis Munoz Marin Intl

Fri 1/5

1:00 a.m.-10:04 a.m.

1 stop9h 04m

C$ 290

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 21/2

11:52 a.m.-11:56 p.m.

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Wed 25/2

6:02 p.m.-12:14 a.m.

1 stop7h 12m

C$ 290

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 5/5

12:06 p.m.-8:24 p.m.

1 stop8h 18m

San Juan Luis Munoz Marin Intl

Thu 14/5

2:20 p.m.-11:59 p.m.

1 stop9h 39m

C$ 290

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 22/2

3:00 p.m.-11:58 p.m.

1 stop7h 58m

San Juan Luis Munoz Marin Intl

Thu 26/2

11:59 p.m.-9:35 a.m.

1 stop10h 36m

C$ 291

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Wed 4/3

6:00 a.m.-3:04 p.m.

1 stop8h 04m

Saint Thomas Island Cyril E King

Wed 11/3

3:55 p.m.-12:14 a.m.

1 stop8h 19m

C$ 301

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Wed 4/3

6:00 a.m.-3:04 p.m.

1 stop8h 04m

Saint Thomas Island Cyril E King

Tue 10/3

3:55 p.m.-12:14 a.m.

1 stop8h 19m

C$ 301

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Tue 10/3

6:00 a.m.-1:47 p.m.

1 stop7h 47m

Saint Thomas Island Cyril E King

Wed 18/3

3:55 p.m.-12:14 a.m.

1 stop8h 19m

C$ 301

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Tue 3/3

6:00 a.m.-3:04 p.m.

1 stop8h 04m

Saint Thomas Island Cyril E King

Tue 10/3

3:55 p.m.-12:14 a.m.

1 stop8h 19m

C$ 301

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 C$ 122). Flying from Buffalo to Caribbean Islands in December is currently the most expensive (average of C$ 342). 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.

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 9 February 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andJetBlue from Buffalo to Caribbean Islands by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,259 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,259 reviews
United Airlines
7.4
Good
9,259 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,255 reviews
United Airlines
7.4
Good
9,259 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
JetBlue
7.2
Good
2,895 reviews
United Airlines
7.4
Good
9,259 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    For a flight from Buffalo to Caribbean Islands, you will be flying from Buffalo. Buffalo (BUF) is just 13.4 km from the centre of the city.

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

    There are many flights that can get you from Buffalo to Caribbean Islands in 6h 10m. Fly via United Airlines, Delta, or American Airlines to get the fastest option. The distance from Buffalo to Caribbean Islands is about 2974 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The most popular flight routes from Buffalo to Caribbean Islands are Buffalo - Punta Cana, Buffalo - Oranjestad Reina Beatrix and Buffalo - Saint Thomas Island Cyril E King.

  • What are the cheapest flights from Buffalo to Caribbean Islands?

    Looking at all options, your cheapest flight can be booked for C$ 486. While the most popular route (Buffalo - Punta Cana) can be booked for C$ 474 on average, our data indicates C$ 527 when flying from Buffalo to Caribbean Islands.

  • 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 C$ 122). Flying from Buffalo to Caribbean Islands in December is currently the most expensive (average of C$ 342). 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 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 629,999 searches. Data last updated 9 February 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 164AverageC$ 421FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 199AverageC$ 546FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FrontierCheapestC$ 235AverageC$ 481FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 291AverageC$ 709FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 308AverageC$ 662FlexibilityNo cancel feeOn-time63%
Search Southwest flights
United AirlinesCheapestC$ 323AverageC$ 793FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to Caribbean Islands?

Cheapflights helps you search for flights from Buffalo to Caribbean Islands via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Caribbean Islands?

Millions of users choose and trust Cheapflights to book the best flight deals from Buffalo to Caribbean Islands for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Buffalo to Caribbean Islands with no change fees?

Yes! Cheapflights helps users easily find flights from Buffalo to Caribbean Islands with no change fees.

Can Cheapflights notify me if prices for flights from Buffalo to Caribbean Islands become cheaper?

Yes, Cheapflights offers price alerts on Buffalo to Caribbean Islands flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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