Which airlines fly to Caribbean Islands?

JetBlue, Southwest and American Airlines are the top three most popular airlines that fly to Caribbean Islands from Buffalo according to our data. JetBlue is the first choice among our users, with 60% of people opting to fly with this airline when travelling to Caribbean Islands. Keep in mind that there are 5 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Buffalo to Caribbean Islands?

Delta, Southwest, and United Airlines are the most popular carriers operating from Buffalo to Caribbean Islands

When did momondo last update prices for flights from Buffalo Airport to Caribbean Islands?

Prices for flights from Buffalo Airport to Caribbean Islands refresh daily.

How many operators does momondo search for flights from Buffalo Airport to Caribbean Islands?

As of March 2026, there are 5 operators available to choose from for flights from Buffalo Airport to Caribbean Islands.

How old do you have to be to fly from Buffalo Airport to Caribbean Islands?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Caribbean Islands.

What documentation or ID do you need to fly to Caribbean Islands?

The required travel and health documents for your Caribbean Islands trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Caribbean Islands. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 145 Cheap Flights from Buffalo to Caribbean Islands in 2026

1 adult

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Find the cheapest flights from Buffalo to Caribbean Islands

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 a.m. - 1:51 p.m.

BUF

STT

7h 51m

1 stop

4:27 p.m. - 12:19 a.m.

STT

BUF

7h 52m

1 stop

C$ 307Delta

Tue, 5 May - Tue, 12 May

6:00 a.m. - 1:25 p.m.

BUF

SJU

7h 25m

1 stop

1:25 p.m. - 12:50 a.m.

SJU

BUF

11h 25m

1 stop

C$ 318Delta

Tue, 14 Apr - Thu, 30 Apr

6:09 a.m. - 12:34 p.m.

BUF

SJU

6h 25m

1 stop

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

SJU

BUF

9h 00m

2 stops

C$ 344United Airlines

Sun, 12 Apr - Wed, 15 Apr

7:00 a.m. - 8:38 p.m.

BUF

SJU

13h 38m

2 stops

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

SJU

BUF

9h 00m

2 stops

C$ 359United Airlines

Sat, 11 Apr - Thu, 16 Apr

11:02 a.m. - 9:24 p.m.

BUF

SJU

10h 22m

2 stops

1:00 a.m. - 9:50 a.m.

SJU

BUF

8h 50m

1 stop

C$ 368United Airlines

Sat, 2 May - Wed, 6 May

5:26 p.m. - 12:50 p.m.

BUF

STT

19h 24m

2 stops

1:50 p.m. - 12:15 p.m.

STT

BUF

22h 25m

2 stops

C$ 396American Airlines

Wed, 16 Sep - Wed, 23 Sep

4:00 p.m. - 11:40 p.m.

BUF

SJU

7h 40m

1 stop

5:35 a.m. - 4:40 p.m.

SJU

BUF

11h 05m

1 stop

C$ 407Southwest

Fri, 24 Apr - Thu, 30 Apr

5:20 p.m. - 11:40 p.m.

BUF

SJU

6h 20m

1 stop

3:15 p.m. - 10:15 p.m.

SJU

BUF

7h 00m

1 stop

C$ 409Southwest

Tue, 19 May - Wed, 27 May

7:20 a.m. - 1:46 p.m.

BUF

STT

6h 26m

1 stop

2:45 p.m. - 10:45 p.m.

STT

BUF

8h 00m

1 stop

C$ 434JetBlue

Wed, 16 Sep - Wed, 23 Sep

6:00 a.m. - 2:18 p.m.

BUF

PUJ

8h 18m

1 stop

12:45 p.m. - 9:25 p.m.

PUJ

BUF

8h 40m

1 stop

C$ 546JetBlue

Mon, 27 Apr - Thu, 30 Apr

United Airlines flights from Buffalo to Caribbean Islands

Our best United Airlines deals on Buffalo to Caribbean Islands flight tickets

United Airlines

12 Apr

BUF6:09 a.m.Buffalo

6h 25m

1 stop

SJU12:34 p.m.San Juan Luis Munoz Marin Intl

15 Apr

SJU1:00 a.m.San Juan Luis Munoz Marin Intl

9h 00m

2 stops

BUF10:00 a.m.Buffalo

C$ 344

United Airlines

11 Apr

BUF7:00 a.m.Buffalo

13h 38m

2 stops

SJU8:38 p.m.San Juan Luis Munoz Marin Intl

16 Apr

SJU1:00 a.m.San Juan Luis Munoz Marin Intl

9h 00m

2 stops

BUF10:00 a.m.Buffalo

C$ 359

United Airlines

2 May

BUF11:02 a.m.Buffalo

10h 22m

2 stops

SJU9:24 p.m.San Juan Luis Munoz Marin Intl

6 May

SJU1:00 a.m.San Juan Luis Munoz Marin Intl

8h 50m

1 stop

BUF9:50 a.m.Buffalo

C$ 368

Southwest flights from Buffalo to Caribbean Islands

Our best Southwest deals on Buffalo to Caribbean Islands flight tickets

Southwest

24 Apr

BUF4:00 p.m.Buffalo

7h 40m

1 stop

SJU11:40 p.m.San Juan Luis Munoz Marin Intl

30 Apr

SJU5:35 a.m.San Juan Luis Munoz Marin Intl

11h 05m

1 stop

BUF4:40 p.m.Buffalo

C$ 407

Southwest

19 May

BUF5:20 p.m.Buffalo

6h 20m

1 stop

SJU11:40 p.m.San Juan Luis Munoz Marin Intl

27 May

SJU3:15 p.m.San Juan Luis Munoz Marin Intl

7h 00m

1 stop

BUF10:15 p.m.Buffalo

C$ 409

Southwest

3 May

BUF2:55 p.m.Buffalo

8h 50m

2 stops

SJU11:45 p.m.San Juan Luis Munoz Marin Intl

7 May

SJU5:05 a.m.San Juan Luis Munoz Marin Intl

13h 30m

1 stop

BUF6:35 p.m.Buffalo

C$ 421

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Tue 5/5

6:00 a.m.-1:51 p.m.

1 stop7h 51m

Saint Thomas Island Cyril E King

Tue 12/5

4:27 p.m.-12:19 a.m.

1 stop7h 52m

C$ 307

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 14/4

6:00 a.m.-1:25 p.m.

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Thu 30/4

1:25 p.m.-12:50 a.m.

1 stop11h 25m

C$ 318

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 12/4

6:09 a.m.-12:34 p.m.

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Wed 15/4

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

2 stops9h 00m

C$ 344

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 11/4

7:00 a.m.-8:38 p.m.

2 stops13h 38m

San Juan Luis Munoz Marin Intl

Thu 16/4

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

2 stops9h 00m

C$ 359

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 2/5

11:02 a.m.-9:24 p.m.

2 stops10h 22m

San Juan Luis Munoz Marin Intl

Wed 6/5

1:00 a.m.-9:50 a.m.

1 stop8h 50m

C$ 368

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Wed 16/9

5:26 p.m.-12:50 p.m.

2 stops19h 24m

Saint Thomas Island Cyril E King

Wed 23/9

1:50 p.m.-12:15 p.m.

2 stops22h 25m

C$ 396

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 24/4

4:00 p.m.-11:40 p.m.

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Thu 30/4

5:35 a.m.-4:40 p.m.

1 stop11h 05m

C$ 407

Quickest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 19/5

5:20 p.m.-11:40 p.m.

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Wed 27/5

3:15 p.m.-10:15 p.m.

1 stop7h 00m

C$ 409

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Wed 16/9

7:20 a.m.-1:46 p.m.

1 stop6h 26m

Saint Thomas Island Cyril E King

Wed 23/9

2:45 p.m.-10:45 p.m.

1 stop8h 00m

C$ 434

BuffaloPunta Cana

BUF - PUJ

BUFPUJ

Buffalo

Mon 27/4

6:00 a.m.-2:18 p.m.

1 stop8h 18m

Punta Cana

Thu 30/4

12:45 p.m.-9:25 p.m.

1 stop8h 40m

C$ 546

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Caribbean Islands

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Caribbean Islands?

In general, January is the cheapest month to fly from Buffalo to Caribbean Islands. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 550. If you aren’t able to travel to Caribbean Islands during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 609.

What is the cheapest Buffalo to Caribbean Islands flight route?

Fly from Buffalo to San Juan Luis Munoz Marin Intl for the best Buffalo - Caribbean Islands flight prices

How far in advance should I book a flight to Caribbean Islands?

You are more likely to see cheaper flights to Caribbean Islands from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around C$ 710 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from Buffalo for as low as C$ 604 on momondo.

What cabin class options are available on Buffalo to Caribbean Islands flights?

There is only 1 cabin class available to choose from on Buffalo to Caribbean Islands flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Buffalo to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between Buffalo to Caribbean Islands.

Cheap Buffalo to Caribbean Islands flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Caribbean Islands

Fastest flight time	3h 55m
Direct flights	Tue, Thu, Sat and Sun
Airports in Caribbean Islands	99 airports

The fastest flight from Buffalo to Caribbean Islands takes 3h 55m

Direct flights go from Buffalo to Caribbean Islands on Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

There are 99 airports in Caribbean Islands. From Buffalo there are direct flights to San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

When did momondo last update prices for flights from Buffalo Airport to Caribbean Islands?
Prices for flights from Buffalo Airport to Caribbean Islands refresh daily.
How many operators does momondo search for flights from Buffalo Airport to Caribbean Islands?
As of March 2026, there are 5 operators available to choose from for flights from Buffalo Airport to Caribbean Islands.
How old do you have to be to fly from Buffalo Airport to Caribbean Islands?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The required travel and health documents for your Caribbean Islands trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Caribbean Islands. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Buffalo to Caribbean Islands?
Based on momondo bookings for flights between Buffalo and Caribbean Islands, the leading plane model is Airbus A320-100/200, making up 19.75% of the total bookings. Other popular models include Boeing 737 MAX 8 with 16.78%, Boeing 737-800 Passenger/BBJ2 (winglets) with 13.10%, and Airbus A320neo with 8.74%.

Best airlines flying from Buffalo to Caribbean Islands

Compare and see reviews for airlines that fly from Buffalo to Caribbean Islands with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom C$ 172	Free Cancellation	Rating 7.9 8,314 reviews	Search Delta flights
American Airlines	PriceFrom C$ 200	Free Cancellation	Rating 7.1 11,486 reviews	Search American Airlines flights
Frontier	PriceFrom C$ 236	Free Cancellation	Rating 5.7 3,019 reviews	Search Frontier flights
JetBlue	PriceFrom C$ 264	Free Cancellation	Rating 7.2 2,908 reviews	Search JetBlue flights
Southwest	PriceFrom C$ 309	Free Cancellation	Rating 8.0 4,324 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Caribbean Islands?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Caribbean Islands from Buffalo.

Can I find flights from Buffalo to Caribbean Islands with flexible booking policies on momondo?

Flights from Buffalo to Caribbean Islands with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to Caribbean Islands?

momondo helps you find the best flight between Buffalo and Caribbean Islands by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Buffalo to Caribbean Islands right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Buffalo to Caribbean Islands flights. All you need is a valid email address and we will do the rest; it is that quick and easy.