Cheap flights from Buffalo to Puerto Rico from C$ 161

BUF — SJU
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Puerto Rico

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Puerto Rico

Mon 14/126:00 a.m. -
1 stop7h 54m
Mon 21/125:28 p.m. -
1 stop7h 28m
Deal found 7/11C$ 340
Wed 9/127:00 a.m. -
1 stop8h 38m
Tue 15/125:01 a.m. -
1 stop8h 46m
Deal found 9/11C$ 348
Sat 5/129:05 a.m. -
Nonstop4h 53m
Wed 16/125:01 a.m. -
1 stop8h 46m
Deal found 6/11C$ 356
Sat 5/123:00 p.m. -
1 stop6h 22m
Wed 9/128:25 a.m. -
1 stop9h 32m
Deal found 8/11C$ 361
Mon 7/129:05 a.m. -
Nonstop4h 53m
Wed 9/125:01 a.m. -
1 stop8h 46m
Deal found 6/11C$ 370
Tue 8/126:00 a.m. -
1 stop7h 54m
Wed 9/125:01 a.m. -
1 stop8h 46m
Deal found 6/11C$ 371
Tue 8/1211:23 a.m. -
2 stops9h 59m
Tue 15/128:05 a.m. -
2 stops11h 05m
Deal found 8/11C$ 374
Sat 5/1210:30 a.m. -
2 stops13h 06m
Sat 12/122:05 a.m. -
1 stop9h 37m
Deal found 5/11C$ 380
Thu 10/121:39 p.m. -
1 stop6h 57m
Mon 14/125:01 a.m. -
1 stop8h 46m
Deal found 9/11C$ 382
Wed 18/116:00 a.m. -
1 stop10h 43m
Mon 23/113:20 p.m. -
1 stop9h 08m
Deal found 7/11C$ 384
Mon 7/126:10 a.m. -
1 stop6h 44m
Tue 15/127:00 a.m. -
1 stop8h 37m
Deal found 6/11C$ 392

Find flight deals from Buffalo to Puerto Rico

Round-trip from

C$ 340

One-way from

C$ 161

Popular in

December

Cheapest in

October

Average price

C$ 511
JetBlue
  • JetBlue
  • 14/12-21/12
  • 2 total stops
  • 15h 22m total
  • Buffalo to Puerto Rico
JetBlue
  • JetBlue
  • 8/12-31/12
  • 1 total stop
  • 6h 57m total
  • Buffalo to Puerto Rico
Highest demand for flights based on searches. 13% potential increase in price (C$ 119 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 36 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Buffalo to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sun 24/1

10:50 a.m.-7:25 p.m.

1 stop7h 35m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 174

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 22/1

3:53 p.m.-12:58 a.m.

1 stop8h 05m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 181

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 5/12

12:50 p.m.-9:15 p.m.

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 181

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 6/1

10:15 a.m.-12:36 a.m.

2 stops13h 21m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 181

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 20/1

12:20 p.m.-11:58 p.m.

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 181

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 20/2

6:05 a.m.-3:34 p.m.

1 stop8h 29m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 196

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 20/1

4:59 p.m.-1:54 a.m.

1 stop7h 55m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 198

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 17/11

6:00 a.m.-5:43 p.m.

1 stop10h 43m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 203

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sun 28/2

6:00 a.m.-1:32 p.m.

1 stop6h 32m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 251
Quickest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 16/12

9:05 a.m.-2:58 p.m.

Nonstop4h 53m

San Juan Luis Munoz Marin Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 255

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Best time to book a flight from Buffalo to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Buffalo with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Puerto Rico

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

Currently, October is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 413). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 808). 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.

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

The price you pay for your flight from Buffalo to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Puerto Rico

Read reviews from past customers who have flown Southwest,JetBlue, andAmerican Airlines from Buffalo to Puerto Rico. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Entertainment

7.4

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Entertainment

7.4

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Entertainment

7.4

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Entertainment

7.4

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Entertainment

7.4

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • What airport do you fly from for flights from Buffalo to Puerto Rico?

    Located just 13.4 km from the city centre, Buffalo (BUF) is the airport most travellers will use when flying to Puerto Rico from Buffalo.

  • How long is the flight from Buffalo to Puerto Rico?

    For as low as C$ 443, JetBlue can have you in Puerto Rico from Buffalo in 6h 45m. The distance from Buffalo to Puerto Rico is about 2974 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

  • How can I find direct flights from Buffalo to Puerto Rico?

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

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

    Yes. Cheapflights offers flight deals from Buffalo to Puerto Rico 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 Puerto Rico?

    Currently, October is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 413). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 808). 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

Top 4 airlines flying from Buffalo to Puerto Rico

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 205AverageC$ 498FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FrontierCheapestC$ 242AverageC$ 513FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 300AverageC$ 519FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 306AverageC$ 659FlexibilityNo cancel feeOn-time63%
Search Southwest flights

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How does Cheapflights help users find flights from Buffalo to Puerto Rico?

When you search for this flight from Buffalo to Puerto Rico, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Puerto Rico?

Millions of users choose and trust Cheapflights to book the best flight deals from Buffalo to Puerto Rico 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 Puerto Rico with no change fees?

Certainly. Search results for flights to Puerto Rico from Buffalo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Yes! Start tracking prices for Buffalo to Puerto Rico flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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