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

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

How many flights depart from Buffalo to Caribbean Islands on average per week?

1 flights are operational weekly from Buffalo to Caribbean Islands as of August 2026. The most popular departure day for this route is Wed, with 100% of flights per week taking off on this day.

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 64% of people opting to fly with this airline when travelling to Caribbean Islands. Keep in mind that there are 4 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.

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 August 2026, there are 4 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$ 153 Cheap Flights from Buffalo to Caribbean Islands in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:30 a.m. - 9:24 p.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

13h 54m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

2:05 a.m. - 10:08 a.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

9h 03m1 stop Newark

C$ 410United Airlines

Tue, 3 Nov - Fri, 6 Nov

6:00 a.m. - 1:53 p.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 53m1 stop Newark

4:55 p.m. - 11:50 p.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 55m1 stop Washington, D.C. Dulles Intl

C$ 414United Airlines

Tue, 22 Sep - Thu, 24 Sep

7:42 p.m. - 1:03 p.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

16h 21m1 stop Charlotte Douglas

6:28 a.m. - 3:50 p.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 22m1 stop Dallas/Fort Worth

C$ 416American Airlines

Fri, 6 Nov - Wed, 18 Nov

5:30 p.m. - 1:05 a.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 35m1 stop Baltimore/Washington

6:40 a.m. - 12:05 p.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 25m1 stop Baltimore/Washington

C$ 430Southwest

Fri, 6 Nov - Tue, 10 Nov

4:35 p.m. - 11:55 p.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 20m1 stop Orlando

5:55 a.m. - 4:45 p.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 50m2 stops Baltimore/Washington Orlando

C$ 430Southwest

Mon, 14 Sep - Sat, 19 Sep

7:00 a.m. - 11:40 a.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 40mdirect

6:20 p.m. - 10:58 p.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 38mdirect

C$ 449JetBlue

Sat, 29 Aug - Sat, 5 Sep

11:05 a.m. - 3:46 p.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 41mdirect

6:15 p.m. - 10:50 p.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 35mdirect

C$ 454JetBlue

Sat, 3 Oct - Sat, 10 Oct

1:13 p.m. - 4:25 p.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

26h 12m1 stop Atlanta Hartsfield-Jackson

6:12 p.m. - 12:18 p.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

19h 06m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

C$ 470Frontier

Fri, 6 Nov - Wed, 18 Nov

1:13 p.m. - 4:25 p.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

26h 12m1 stop Atlanta Hartsfield-Jackson

6:12 p.m. - 12:18 p.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

19h 06m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

C$ 490Frontier

Fri, 6 Nov - Wed, 18 Nov

7:53 p.m. - 11:20 a.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

15h 27m1 stop Charlotte Douglas

12:41 p.m. - 7:03 p.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 22m1 stop Charlotte Douglas

C$ 494American Airlines

Fri, 9 Oct - Sun, 18 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:10 p.m. - 12:30 a.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 20m1 stop Orlando

5:00 a.m. - 11:40 a.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 40m1 stop Orlando

C$ 701Southwest

Sun, 9 Aug - Sun, 16 Aug

8:50 a.m. - 6:15 p.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

9h 25m2 stops Baltimore/Washington Tampa

5:00 a.m. - 11:50 a.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 50m1 stop Orlando

C$ 831Southwest

Sat, 8 Aug - Mon, 10 Aug

10:50 a.m. - 9:55 p.m.BUF Buffalo-SJU San Juan Luis Munoz Marin Intl

11h 05m1 stop Baltimore/Washington

5:00 a.m. - 11:50 a.m.SJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 50m1 stop Orlando

C$ 845Southwest

Sat, 8 Aug - Mon, 10 Aug

7:19 p.m. - 11:43 a.m.BUF Buffalo-PUJ Punta Cana

16h 24m1 stop Atlanta Hartsfield-Jackson

4:04 p.m. - 11:59 p.m.PUJ Punta Cana-BUF Buffalo

7h 55m1 stop Atlanta Hartsfield-Jackson

C$ 985Delta

Fri, 7 Aug - Thu, 13 Aug

6:10 p.m. - 11:43 a.m.BUF Buffalo-PUJ Punta Cana

17h 33m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

4:04 p.m. - 11:59 p.m.PUJ Punta Cana-BUF Buffalo

7h 55m1 stop Atlanta Hartsfield-Jackson

C$ 985Delta

Fri, 7 Aug - Thu, 13 Aug

6:59 p.m. - 10:40 a.m.BUF Buffalo-PUJ Punta Cana

15h 41m1 stop Charlotte Douglas

12:10 p.m. - 12:38 p.m.PUJ Punta Cana-BUF Buffalo

24h 28m1 stop Philadelphia

C$ 1,039American Airlines

Sat, 8 Aug - Fri, 14 Aug

5:32 a.m. - 10:40 a.m.BUF Buffalo-PUJ Punta Cana

29h 08m2 stops Washington, D.C. Reagan-National Charlotte Douglas

12:10 p.m. - 12:38 p.m.PUJ Punta Cana-BUF Buffalo

24h 28m1 stop Philadelphia

C$ 1,039American Airlines

Sat, 8 Aug - Fri, 14 Aug

7:19 p.m. - 11:43 a.m.BUF Buffalo-PUJ Punta Cana

16h 24m1 stop Atlanta Hartsfield-Jackson

4:04 p.m. - 11:59 p.m.PUJ Punta Cana-BUF Buffalo

7h 55m1 stop Atlanta Hartsfield-Jackson

C$ 1,052Delta

Tue, 11 Aug - Thu, 13 Aug

6:00 a.m. - 4:40 p.m.BUF Buffalo-AUA Oranjestad Reina Beatrix

10h 40m1 stop Boston Logan Intl

2:25 p.m. - 11:43 p.m.AUA Oranjestad Reina Beatrix-BUF Buffalo

9h 18m1 stop Boston Logan Intl

C$ 1,197JetBlue

Fri, 7 Aug - Tue, 11 Aug

6:55 a.m. - 4:38 p.m.BUF Buffalo-AUA Oranjestad Reina Beatrix

9h 43m1 stop New York John F Kennedy Intl

11:47 a.m. - 6:58 p.m.AUA Oranjestad Reina Beatrix-BUF Buffalo

7h 11m1 stop New York John F Kennedy Intl

C$ 1,197JetBlue

Fri, 7 Aug - Fri, 21 Aug

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United Airlines flights from Buffalo to Caribbean Islands

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

United Airlines

3 Nov

BUF6:30 a.m.Buffalo

13h 54m

2 stops

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

6 Nov

SJU2:05 a.m.San Juan Luis Munoz Marin Intl

9h 03m

1 stop

BUF10:08 a.m.Buffalo

C$ 410

United Airlines

22 Sep

BUF6:00 a.m.Buffalo

7h 53m

1 stop

SJU1:53 p.m.San Juan Luis Munoz Marin Intl

24 Sep

SJU4:55 p.m.San Juan Luis Munoz Marin Intl

6h 55m

1 stop

BUF11:50 p.m.Buffalo

C$ 414

United Airlines

29 Aug

BUF6:55 a.m.Buffalo

13h 43m

2 stops

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

3 Sep

SJU4:55 p.m.San Juan Luis Munoz Marin Intl

6h 49m

1 stop

BUF11:44 p.m.Buffalo

C$ 416

Delta flights from Buffalo to Caribbean Islands

Our best Delta deals on Buffalo to Caribbean Islands flight tickets

Delta

23 Sep

BUF6:05 a.m.Buffalo

7h 40m

1 stop

SJU1:45 p.m.San Juan Luis Munoz Marin Intl

30 Sep

SJU7:00 a.m.San Juan Luis Munoz Marin Intl

7h 51m

1 stop

BUF2:51 p.m.Buffalo

C$ 483

Delta

31 Jan

BUF6:16 a.m.Buffalo

8h 59m

1 stop

NAS3:15 p.m.Nassau Intl

5 Feb

NAS4:25 p.m.Nassau Intl

6h 33m

1 stop

BUF10:58 p.m.Buffalo

C$ 517

Delta

13 Nov

BUF6:00 a.m.Buffalo

10h 25m

1 stop

SJU5:25 p.m.San Juan Luis Munoz Marin Intl

17 Nov

SJU3:10 p.m.San Juan Luis Munoz Marin Intl

9h 49m

1 stop

BUF11:59 p.m.Buffalo

C$ 518

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 3/11

6:30 a.m.-9:24 p.m.

2 stops13h 54m

San Juan Luis Munoz Marin Intl

Fri 6/11

2:05 a.m.-10:08 a.m.

1 stop9h 03m

C$ 410

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 22/9

6:00 a.m.-1:53 p.m.

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Thu 24/9

4:55 p.m.-11:50 p.m.

1 stop6h 55m

C$ 414

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 6/11

7:42 p.m.-1:03 p.m.

1 stop16h 21m

San Juan Luis Munoz Marin Intl

Wed 18/11

6:28 a.m.-3:50 p.m.

1 stop10h 22m

C$ 416

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 6/11

5:30 p.m.-1:05 a.m.

1 stop6h 35m

San Juan Luis Munoz Marin Intl

Tue 10/11

6:40 a.m.-12:05 p.m.

1 stop6h 25m

C$ 430

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 14/9

4:35 p.m.-11:55 p.m.

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Sat 19/9

5:55 a.m.-4:45 p.m.

2 stops10h 50m

C$ 430

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 29/8

7:00 a.m.-11:40 a.m.

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Sat 5/9

6:20 p.m.-10:58 p.m.

Nonstop4h 38m

C$ 449

Quickest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 3/10

11:05 a.m.-3:46 p.m.

Nonstop4h 41m

San Juan Luis Munoz Marin Intl

Sat 10/10

6:15 p.m.-10:50 p.m.

Nonstop4h 35m

C$ 454

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 6/11

1:13 p.m.-4:25 p.m.

1 stop26h 12m

San Juan Luis Munoz Marin Intl

Wed 18/11

6:12 p.m.-12:18 p.m.

2 stops19h 06m

C$ 470

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 6/11

1:13 p.m.-4:25 p.m.

1 stop26h 12m

San Juan Luis Munoz Marin Intl

Wed 18/11

6:12 p.m.-12:18 p.m.

2 stops19h 06m

C$ 490

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 9/10

7:53 p.m.-11:20 a.m.

1 stop15h 27m

San Juan Luis Munoz Marin Intl

Sun 18/10

12:41 p.m.-7:03 p.m.

1 stop6h 22m

C$ 494

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

Other information

What is the cheapest month to fly to Caribbean Islands?

In general, September 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$ 683. If you aren’t able to travel to Caribbean Islands during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 705.

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 from Buffalo 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$ 841 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$ 528 on momondo.

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

There are 2 cabin classes 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 15m
Direct flights	Tue, Thu, Sat and Sun
Airports in Caribbean Islands	100 airports

The fastest flight from Buffalo to Caribbean Islands takes 3h 15m

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

There are 100 airports in Caribbean Islands. From Buffalo there are direct flights to San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

Frequently asked questions about flying 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 August 2026, there are 4 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 23.63% of the total bookings. Other popular models include Airbus A220-300 with 13.79%, Boeing 737 MAX 8 with 7.87%, and Embraer 175 with 7.72%.

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
American Airlines	PriceFrom C$ 204	Free Cancellation	Rating 7.1 11,863 reviews	Search American Airlines flights
Frontier	PriceFrom C$ 241	Free Cancellation	Rating 5.6 2,723 reviews	Search Frontier flights
JetBlue	PriceFrom C$ 299	Free Cancellation	Rating 7.1 3,024 reviews	Search JetBlue flights
Southwest	PriceFrom C$ 316	Free Cancellation	Rating 8.0 4,221 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.