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Cheap flights from Buffalo to Puerto Rico from C$ 183

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
19 Jun — 26 Jun1
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
Explore the most affordable flight options available from Buffalo to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 May 2026.

Sat 6/67:16 a.m.
BUF
-
SJU
Nonstop3h 55m
JetBlue
Fri 12/66:20 p.m.
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 19/5C$ 385
Wed 19/87:00 a.m.
BUF
-
SJU
1 stop9h 33m
Delta
Wed 26/86:48 a.m.
SJU
-
BUF
1 stop8h 18m
Delta
Deal found 15/5C$ 415
Mon 1/67:16 a.m.
BUF
-
SJU
Nonstop3h 55m
JetBlue
Fri 5/66:20 p.m.
SJU
-
BUF
Nonstop4h 49m
JetBlue
Deal found 17/5C$ 419
Sat 13/67:00 a.m.
BUF
-
SJU
Nonstop4h 43m
JetBlue
Sat 20/66:20 p.m.
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 18/5C$ 425
Fri 12/67:35 a.m.
BUF
-
SJU
Nonstop4h 33m
JetBlue
Fri 19/66:20 p.m.
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 15/5C$ 433
Wed 19/81:03 p.m.
BUF
-
SJU
1 stop9h 21m
American Airlines
Wed 26/87:05 a.m.
SJU
-
BUF
2 stops10h 24m
American Airlines
Deal found 15/5C$ 436
Tue 18/83:00 p.m.
BUF
-
SJU
1 stop7h 00m
Southwest
Thu 27/811:35 a.m.
SJU
-
BUF
1 stop11h 05m
Southwest
Deal found 19/5C$ 443
Wed 9/912:09 p.m.
BUF
-
SJU
1 stop10h 14m
Delta
Thu 8/107:00 a.m.
SJU
-
BUF
1 stop7h 34m
Delta
Deal found 18/5C$ 446
Sat 22/87:00 a.m.
BUF
-
SJU
1 stop9h 33m
Delta
Wed 26/86:48 a.m.
SJU
-
BUF
1 stop8h 18m
Delta
Deal found 19/5C$ 447
Wed 19/86:00 a.m.
BUF
-
SJU
1 stop6h 50m
Southwest
Wed 26/82:25 p.m.
SJU
-
BUF
1 stop6h 40m
Southwest
Deal found 15/5C$ 457

Find flight deals from Buffalo to Puerto Rico

Keep the following information in mind while searching for Buffalo to Puerto Rico flight deals. Data was last updated 20 May 2026.

Round-trip from

C$ 385

One-way from

C$ 183

Popular in

December

Cheapest in

September

Average price

C$ 451

Good round-trip deal

C$ 518 or less
JetBlue
  • JetBlue
  • 6/6-12/6
  • Nonstop
  • 8h 33m total
  • Buffalo to Puerto Rico
Search Deals
JetBlue
  • JetBlue
  • 6/6
  • Nonstop
  • 3h 55m total
  • Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Buffalo to Puerto Rico.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Puerto Rico 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 20 May 2026.
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 - SJU

BUFSJU

Buffalo

Wed 19/8

7:00 a.m.-4:33 p.m.

1 stop9h 33m

San Juan Luis Munoz Marin Intl

Wed 26/8

6:48 a.m.-3:06 p.m.

1 stop8h 18m

C$ 415

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 22/8

3:53 p.m.-11:52 p.m.

1 stop7h 59m

San Juan Luis Munoz Marin Intl

Wed 26/8

6:48 a.m.-3:06 p.m.

1 stop8h 18m

C$ 446

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 19/8

6:00 a.m.-12:50 p.m.

1 stop6h 50m

San Juan Luis Munoz Marin Intl

Wed 26/8

2:25 p.m.-9:05 p.m.

1 stop6h 40m

C$ 457

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 6/10

7:55 a.m.-9:40 p.m.

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Tue 13/10

5:35 a.m.-2:50 p.m.

2 stops9h 15m

C$ 479
Quickest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 19/8

3:52 p.m.-12:10 a.m.

1 stop8h 18m

San Juan Luis Munoz Marin Intl

Wed 26/8

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

Nonstop4h 38m

C$ 484

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 28/8

3:53 p.m.-11:52 p.m.

1 stop7h 59m

San Juan Luis Munoz Marin Intl

Mon 31/8

7:00 a.m.-2:39 p.m.

1 stop7h 39m

C$ 494

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 22/8

7:00 a.m.-11:33 a.m.

Nonstop4h 33m

San Juan Luis Munoz Marin Intl

Wed 26/8

9:42 a.m.-6:58 p.m.

1 stop9h 16m

C$ 517

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 3/10

12:20 p.m.-9:30 p.m.

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Thu 8/10

6:00 a.m.-3:20 p.m.

2 stops9h 20m

C$ 520
Cheapest one-way

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 1/6

3:53 p.m.-11:35 p.m.

1 stop7h 42m

C$ 204

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 15/8

6:12 a.m.-12:55 p.m.

1 stop6h 43m

C$ 208

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/5

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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
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 Puerto Rico

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

Currently, January is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 91). Flying from Buffalo to Puerto Rico in July is currently the most expensive (average of C$ 275). 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?

Find hourly flight availability from Buffalo to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 May 2026.

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 86 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

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated 20 May 2026.
Read reviews from past customers who have flown Southwest,Delta, andJetBlue 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
7.9
Good
4,285 reviews
Check prices

Food

7.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
7.9
Good
4,285 reviews
Southwest
7.9
Good
4,285 reviews
Check prices

Food

7.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Delta
7.9
Good
8,454 reviews
Southwest
7.9
Good
4,285 reviews
Check prices

Food

7.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
JetBlue
7.2
Good
2,983 reviews
Southwest
7.9
Good
4,285 reviews
Check prices

Food

7.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
American Airlines
7.1
Good
11,641 reviews
Southwest
7.9
Good
4,285 reviews
Check prices

Food

7.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Frontier
5.7
Fair
2,944 reviews
Southwest
7.9
Good
4,285 reviews
Check prices

Food

7.0

Entertainment

7.5

Overall

7.9

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Puerto Rico. 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 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$ 457, Delta can have you in Puerto Rico from Buffalo in 6h 50m. 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$ 483. On average you can expect to pay C$ 564. The most popular route, (Buffalo - San Juan Luis Munoz Marin Intl), can usually be booked for C$ 759.

  • 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, January is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 91). Flying from Buffalo to Puerto Rico in July is currently the most expensive (average of C$ 275). 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

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Top 5 airlines flying from Buffalo to Puerto Rico

Discover the top 5 airlines that operate flights from Buffalo to Puerto Rico. 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 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 173AverageC$ 424FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 200AverageC$ 501FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FrontierCheapestC$ 236AverageC$ 500FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 293AverageC$ 499FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 309AverageC$ 623FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

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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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