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Cheap flights from Buffalo to Puerto Rico from C$ 156

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap 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 September 2025.

Round-trip from

C$ 311

One-way from

C$ 156

Popular in

December

Cheapest in

September

Average price

C$ 422
Southwest
  • Southwest
  • 7/10-16/10
  • 2 total stops
  • 12h 50m total
  • Buffalo to Puerto Rico
Search Deals
Southwest
  • Southwest
  • 7/10
  • 1 total stop
  • 6h 30m total
  • Buffalo to Puerto Rico
Search Deals
High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Buffalo to Puerto Rico

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 September 2025.

Tue 7/104:15 p.m.BUF - SJU
1 stop6h 30mSouthwest
Thu 16/105:50 a.m.SJU - BUF
1 stop6h 20mSouthwest
Deal found 14/9C$ 311
Mon 20/103:57 p.m.BUF - SJU
1 stop7h 59mDelta
Sat 25/107:00 a.m.SJU - BUF
1 stop8h 10mDelta
Deal found 15/9C$ 332
Sun 28/97:07 a.m.BUF - SJU
1 stop7h 37mUnited Airlines
Thu 2/101:30 p.m.SJU - BUF
1 stop9h 12mUnited Airlines
Deal found 14/9C$ 353
Sat 6/123:40 p.m.BUF - SJU
1 stop6h 20mSouthwest
Tue 9/125:45 a.m.SJU - BUF
2 stops9h 35mSouthwest
Deal found 13/9C$ 361
Wed 1/108:25 a.m.BUF - SJU
1 stop6h 30mSouthwest
Sun 5/105:45 a.m.SJU - BUF
1 stop10h 05mSouthwest
Deal found 12/9C$ 363
Thu 13/113:40 p.m.BUF - SJU
1 stop8h 45mSouthwest
Wed 19/112:05 p.m.SJU - BUF
2 stops8h 55mSouthwest
Deal found 13/9C$ 389
Fri 31/106:32 p.m.BUF - SJU
1 stop8h 16mJetBlue
Mon 3/1112:30 p.m.SJU - BUF
1 stop9h 04mJetBlue
Deal found 15/9C$ 390
Sat 11/109:45 p.m.BUF - SJU
1 stop11h 57mFrontier
Sat 18/107:58 p.m.SJU - BUF
1 stop16h 37mFrontier
Deal found 12/9C$ 393
Thu 2/103:55 p.m.BUF - SJU
1 stop9h 02mJetBlue
Sat 11/102:30 a.m.SJU - BUF
1 stop6h 23mJetBlue
Deal found 13/9C$ 401
Fri 10/104:15 p.m.BUF - SJU
1 stop8h 30mSouthwest
Fri 17/105:30 p.m.SJU - BUF
1 stop6h 20mSouthwest
Deal found 12/9C$ 422
Sat 11/104:00 p.m.BUF - SJU
1 stop7h 25mSouthwest
Thu 16/105:50 a.m.SJU - BUF
1 stop6h 20mSouthwest
Deal found 13/9C$ 425
Tue 14/106:30 a.m.BUF - SJU
1 stop7h 15mUnited Airlines
Mon 20/101:05 a.m.SJU - BUF
2 stops8h 38mUnited Airlines
Deal found 14/9C$ 440

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 September 2025.
Use the filters below to find and compare flights from Buffalo to Puerto Rico that are best for you.

Fly from

Buffalo

Fly to

Puerto Rico

Route

Depart

Return

Price

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 7/10

4:15 p.m.-10:45 p.m.

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Thu 16/10

5:50 a.m.-12:10 p.m.

1 stop6h 20m

C$ 311

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 15/11

3:45 p.m.-11:56 p.m.

1 stop7h 11m

San Juan Luis Munoz Marin Intl

Tue 18/11

3:20 p.m.-10:57 p.m.

1 stop8h 37m

C$ 311

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 13/11

3:40 p.m.-1:25 a.m.

1 stop8h 45m

San Juan Luis Munoz Marin Intl

Wed 19/11

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

1 stop6h 25m

C$ 311

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 20/10

3:57 p.m.-11:56 p.m.

1 stop7h 59m

San Juan Luis Munoz Marin Intl

Sat 25/10

7:00 a.m.-3:10 p.m.

1 stop8h 10m

C$ 332

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 28/9

7:07 a.m.-2:44 p.m.

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Thu 2/10

1:30 p.m.-10:42 p.m.

1 stop9h 12m

C$ 353

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 2/10

6:00 a.m.-4:31 p.m.

1 stop10h 31m

San Juan Luis Munoz Marin Intl

Thu 9/10

1:06 p.m.-11:56 p.m.

1 stop10h 50m

C$ 353

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 6/12

3:40 p.m.-11:00 p.m.

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Tue 9/12

5:45 a.m.-2:20 p.m.

2 stops9h 35m

C$ 361

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 27/10

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

1 stop7h 00m

C$ 156

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 8/10

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

1 stop7h 15m

C$ 156

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 7/10

4:15 p.m.-10:45 p.m.

1 stop6h 30m

C$ 156

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 16 results
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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
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, April is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 254). Flying from Buffalo to Puerto Rico in July is currently the most expensive (average of C$ 580). 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 September 2025.

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 September 2025.
Read reviews from past customers who have flown Southwest,Delta, andUnited 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
4,242 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,954 reviews
Southwest
8.0
Very good
4,242 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,912 reviews
Southwest
8.0
Very good
4,242 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews
Check prices

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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$ 311, Southwest can have you in Puerto Rico from Buffalo in 6h 30m. 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, April is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 254). Flying from Buffalo to Puerto Rico in July is currently the most expensive (average of C$ 580). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 166AverageC$ 623FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FrontierCheapestC$ 235AverageC$ 381FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 380AverageC$ 582FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 393AverageC$ 690FlexibilityNo cancel feeOn-time63%
Search Southwest flights
United AirlinesCheapestC$ 522AverageC$ 856FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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