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Cheap flights from Buffalo to Puerto Rico from C$ 166

BUF — SJU
31 Oct — 7 Nov1
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

Wed 4/112:00 p.m. -
1 stop9h 59m
Thu 5/113:59 p.m. -
1 stop22h 04m
Deal found 29/9C$ 324
Mon 26/106:00 a.m. -
1 stop7h 46m
Fri 30/1010:45 a.m. -
1 stop8h 17m
Deal found 30/9C$ 334
Mon 26/107:53 p.m. -
1 stop16h 16m
Fri 30/1012:41 p.m. -
1 stop6h 22m
Deal found 29/9C$ 335
Wed 21/106:30 a.m. -
1 stop7h 15m
Mon 26/1012:00 p.m. -
2 stops11h 46m
Deal found 29/9C$ 358
Wed 21/102:54 p.m. -
1 stop8h 55m
Mon 26/106:15 p.m. -
Nonstop4h 42m
Deal found 29/9C$ 359
Fri 30/106:00 a.m. -
1 stop7h 11m
Mon 2/118:05 a.m. -
2 stops13h 31m
Deal found 29/9C$ 364
Sat 17/1011:38 a.m. -
1 stop8h 15m
Wed 21/106:20 a.m. -
1 stop7h 44m
Deal found 28/9C$ 369
Sat 24/1010:10 a.m. -
2 stops13h 40m
Sat 31/106:40 a.m. -
2 stops14h 11m
Deal found 29/9C$ 373
Sat 24/1011:38 a.m. -
1 stop8h 15m
Sat 31/106:00 a.m. -
1 stop7h 19m
Deal found 29/9C$ 375
Fri 16/108:15 a.m. -
Nonstop4h 39m
Fri 23/103:00 p.m. -
1 stop8h 53m
Deal found 26/9C$ 378

Find flight deals from Buffalo to Puerto Rico

Round-trip from

C$ 324

One-way from

C$ 166

Popular in

December

Cheapest in

October

Average price

C$ 453

Good round-trip deal

C$ 391 or less
Frontier
  • Frontier
  • 4/11-5/11
  • 2 total stops
  • 32h 03m total
  • Buffalo to Puerto Rico
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Frontier
  • Frontier
  • 11/11-31/12
  • 1 total stop
  • 9h 59m total
  • Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 124 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 36 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Buffalo to Puerto Rico.
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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

Wed 21/10

2:54 p.m.-11:49 p.m.

1 stop8h 55m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 168

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 21/10

6:30 a.m.-1:45 p.m.

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 168

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 24/10

2:54 p.m.-11:49 p.m.

1 stop8h 55m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 168

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 26/10

6:00 a.m.-1:46 p.m.

1 stop7h 46m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 169

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 17/10

5:15 p.m.-11:55 p.m.

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 202

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 31/10

6:00 a.m.-4:48 p.m.

1 stop10h 48m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 216

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 26/10

6:30 a.m.-9:22 p.m.

2 stops14h 52m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 224

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 28/10

6:00 a.m.-8:00 p.m.

2 stops14h 00m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 239
Quickest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 16/10

5:45 p.m.-12:10 a.m.

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Wed 31/12

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

Nonstop0h 00m

C$ 244

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 26/10

6:00 a.m.-1:46 p.m.

1 stop7h 46m

San Juan Luis Munoz Marin Intl

Fri 30/10

10:45 a.m.-7:02 p.m.

1 stop8h 17m

C$ 334

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/9

Showing 1-10 of 15 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$ 453). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 841). 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 PR?

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

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.
Southwest
8.0
Very good
4,208 reviews
Check prices

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Southwest
8.0
Very good
4,208 reviews
Southwest
8.0
Very good
4,208 reviews
Check prices

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
JetBlue
7.1
Good
3,043 reviews
Southwest
8.0
Very good
4,208 reviews
Check prices

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
American Airlines
7.0
Good
12,102 reviews
Southwest
8.0
Very good
4,208 reviews
Check prices

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Frontier
5.6
Fair
2,564 reviews
Southwest
8.0
Very good
4,208 reviews
Check prices

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

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$ 476, JetBlue can have you in Puerto Rico from Buffalo in 7h 15m. 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.

  • What are the cheapest flights from Buffalo to Puerto Rico?

    The cheapest flight price from Buffalo to Puerto Rico is C$ 210. On average you can expect to pay C$ 579. The most popular route, (Buffalo - San Juan Luis Munoz Marin Intl), can usually be booked for C$ 331.

  • 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$ 453). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 841). 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$ 207AverageC$ 502FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FrontierCheapestC$ 244AverageC$ 517FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 302AverageC$ 509FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 308AverageC$ 663FlexibilityNo 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.

Can Cheapflights notify me if prices for flights from Buffalo to Puerto Rico become cheaper?

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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