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Cheap flights from Buffalo to Puerto Rico from C$ 189

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
15 May — 22 May1
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 15 April 2026.

Sat 2/58:00 a.m.
BUF
-
SJU
Nonstop3h 54m
JetBlue
Wed 6/57:00 p.m.
SJU
-
BUF
Nonstop4h 48m
JetBlue
Deal found 12/4C$ 365
Sat 2/53:32 p.m.
BUF
-
SJU
1 stop8h 27m
Delta
Wed 6/52:45 p.m.
SJU
-
BUF
1 stop8h 52m
Delta
Deal found 12/4C$ 377
Sun 3/511:02 a.m.
BUF
-
SJU
1 stop9h 32m
United Airlines
Wed 6/51:00 a.m.
SJU
-
BUF
2 stops8h 53m
United Airlines
Deal found 12/4C$ 395
Wed 22/410:55 a.m.
BUF
-
SJU
2 stops10h 29m
United Airlines
Tue 12/51:00 a.m.
SJU
-
BUF
2 stops8h 53m
United Airlines
Deal found 14/4C$ 396
Wed 13/59:19 a.m.
BUF
-
SJU
Nonstop3h 54m
JetBlue
Mon 18/57:00 p.m.
SJU
-
BUF
Nonstop4h 48m
JetBlue
Deal found 13/4C$ 399
Fri 8/56:25 a.m.
BUF
-
SJU
1 stop6h 55m
Delta
Wed 13/52:35 p.m.
SJU
-
BUF
1 stop9h 24m
Delta
Deal found 15/4C$ 416
Wed 6/56:05 a.m.
BUF
-
SJU
1 stop6h 47m
Delta
Thu 14/57:30 a.m.
SJU
-
BUF
1 stop11h 14m
Delta
Deal found 11/4C$ 419

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 15 April 2026.

Round-trip from

C$ 365

One-way from

C$ 189

Popular in

December

Cheapest in

September

Average price

C$ 511

Good round-trip deal

C$ 237 or less
JetBlue
  • JetBlue
  • 2/5-6/5
  • Nonstop
  • 8h 42m total
  • Buffalo to Puerto Rico
Search Deals
Delta
  • Delta
  • 27/5
  • 1 total stop
  • 9h 29m 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 April 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 15 April 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
Quickest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 2/5

8:00 a.m.-11:54 a.m.

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Wed 6/5

7:00 p.m.-11:48 p.m.

Nonstop4h 48m

C$ 365

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 2/5

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

2 stops13h 38m

San Juan Luis Munoz Marin Intl

Tue 5/5

7:20 a.m.-2:10 p.m.

1 stop6h 50m

C$ 377

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 2/5

3:32 p.m.-11:59 p.m.

1 stop8h 27m

San Juan Luis Munoz Marin Intl

Wed 6/5

2:03 p.m.-10:39 p.m.

1 stop8h 36m

C$ 377

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 3/5

11:02 a.m.-8:34 p.m.

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Wed 6/5

1:00 a.m.-9:53 a.m.

2 stops8h 53m

C$ 395

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 6/5

6:05 a.m.-12:52 p.m.

1 stop6h 47m

San Juan Luis Munoz Marin Intl

Thu 14/5

7:30 a.m.-6:44 p.m.

1 stop11h 14m

C$ 419

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 16/6

6:07 a.m.-12:54 p.m.

1 stop6h 47m

San Juan Luis Munoz Marin Intl

Tue 23/6

1:10 p.m.-12:38 a.m.

1 stop11h 28m

C$ 439
Cheapest one-way

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 12/5

7:00 a.m.-4:29 p.m.

1 stop9h 29m

C$ 189

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 9/5

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

2 stops13h 38m

C$ 189

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 2/5

6:00 a.m.-8:34 p.m.

2 stops14h 34m

C$ 189
Quickest one-way

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 22/4

6:05 a.m.-12:52 p.m.

1 stop6h 47m

C$ 208

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 15 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, February is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 190). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 361). 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 15 April 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.

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 15 April 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
8.0
Very good
4,330 reviews
Check prices

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
8.0
Very good
4,330 reviews
Southwest
8.0
Very good
4,330 reviews
Check prices

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
8,407 reviews
Southwest
8.0
Very good
4,330 reviews
Check prices

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
2,936 reviews
Southwest
8.0
Very good
4,330 reviews
Check prices

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
11,582 reviews
Southwest
8.0
Very good
4,330 reviews
Check prices

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
2,988 reviews
Southwest
8.0
Very good
4,330 reviews
Check prices

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

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$ 366, JetBlue can have you in Puerto Rico from Buffalo in 3h 54m. 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$ 128. On average you can expect to pay C$ 648. The most popular route, (Buffalo - San Juan Luis Munoz Marin Intl), can usually be booked for C$ 511.

  • 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, February is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 190). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 361). 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 15 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 173AverageC$ 424FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 200AverageC$ 502FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FrontierCheapestC$ 237AverageC$ 501FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 293AverageC$ 494FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 310AverageC$ 624FlexibilityNo 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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