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Puerto Rico

$69+ Cheap flights from Buffalo (BUF) to Puerto Rico

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 November 13, 2025.

Round-trip from

$251
(CheapOair)

One-way from

$69
(Expedia)

Popular in

December

Cheapest in

September

Average price

$368
From Buffalo to Puerto Rico
Search Deals
One-way flight from Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 13, 2025.

This CheapOair deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:55 pmBUF - SJU
1 stop20h 34mFrontier
Sat 12/63:55 amSJU - BUF
1 stop11h 28mFrontier
Deal found 11/12$251
This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:20 pmBUF - SJU
1 stop16h 41mAmerican Airlines
Mon 12/84:50 pmSJU - BUF
1 stop7h 01mAmerican Airlines
Deal found 11/12$258
This Southwest deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:10 pmBUF - SJU
1 stop11h 25mSouthwest
Thu 12/185:55 pmSJU - BUF
1 stop6h 45mSouthwest
Deal found 11/12$262
This SmartFares deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:00 pmBUF - SJU
1 stop9h 48mJetBlue
Sat 12/135:10 amSJU - BUF
1 stop7h 23mJetBlue
Deal found 11/11$263
This CheapOair deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:55 pmBUF - SJU
1 stop20h 34mFrontier
Sun 12/73:55 amSJU - BUF
1 stop11h 20mFrontier
Deal found 11/12$266
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/213:28 pmBUF - SJU
1 stop7h 59mFrontier
Sun 11/232:25 amSJU - BUF
2 stops14h 55mFrontier
Deal found 11/12$268
This JetBlue deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:45 amBUF - SJU
1 stop7h 07mJetBlue
Tue 12/28:05 amSJU - BUF
1 stop8h 54mJetBlue
Deal found 11/11$279
This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:54 amBUF - SJU
1 stop9h 11mAmerican Airlines
Mon 12/86:25 amSJU - BUF
1 stop17h 26mAmerican Airlines
Deal found 11/12$281
This Priceline deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amBUF - SJU
1 stop10h 20mJetBlue
Wed 3/1812:59 amSJU - BUF
1 stop7h 30mJetBlue
Deal found 11/12$282
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:30 amBUF - SJU
2 stops11h 46mMultiple Airlines
Fri 12/197:30 amSJU - BUF
1 stop10h 15mMultiple Airlines
Deal found 11/12$286
This American Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:00 amBUF - SJU
1 stop15h 05mAmerican Airlines
Wed 12/104:50 pmSJU - BUF
1 stop7h 01mAmerican Airlines
Deal found 11/11$290
This JetBlue deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:36 amBUF - BQN
1 stop8h 54mJetBlue
Fri 12/56:01 amBQN - BUF
1 stop6h 32mJetBlue
Deal found 11/12$361

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 2,558,603 searches. Data last updated November 13, 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

Sat 12/6

11:39 am-10:05 pm

2 stops9h 26m

San Juan Luis Munoz Marin Intl

Wed 12/10

2:36 pm-11:44 pm

2 stops10h 08m

$258

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 12/11

12:10 pm-12:35 am

1 stop11h 25m

San Juan Luis Munoz Marin Intl

Thu 12/18

5:55 pm-11:40 pm

1 stop6h 45m

$262

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 2/5

2:30 pm-12:05 am

1 stop8h 35m

San Juan Luis Munoz Marin Intl

Tue 2/10

6:10 am-4:15 pm

2 stops11h 05m

$277

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 1/31

5:50 am-6:30 pm

2 stops11h 40m

San Juan Luis Munoz Marin Intl

Sat 2/7

6:00 am-4:00 pm

1 stop11h 00m

$284

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 12/16

3:00 pm-10:22 pm

1 stop6h 22m

San Juan Luis Munoz Marin Intl

Wed 1/7

8:35 am-4:44 pm

1 stop9h 09m

$315

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 11/18

8:05 am-6:35 pm

2 stops9h 30m

San Juan Luis Munoz Marin Intl

Wed 11/19

5:45 am-2:20 pm

2 stops9h 35m

$317

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 12/10

5:03 am-5:03 pm

2 stops11h 00m

San Juan Luis Munoz Marin Intl

Sat 12/13

8:18 am-4:31 pm

2 stops9h 13m

$352

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 12/16

7:05 am-3:22 pm

1 stop7h 17m

San Juan Luis Munoz Marin Intl

Sat 12/20

2:20 pm-11:54 pm

1 stop10h 34m

$357

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Fri 11/21

11:36 am-9:30 pm

1 stop8h 54m

Aguadilla Borinquen

Fri 12/5

6:01 am-11:33 am

1 stop6h 32m

$361

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 11/16

6:25 am-2:40 pm

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Tue 11/18

8:30 am-2:20 pm

1 stop6h 50m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 50 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, February is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of $133). Flying from Buffalo to Puerto Rico in June is currently the most expensive (average of $254). 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 November 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to Puerto Rico in the evening. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Buffalo to Puerto Rico?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to Puerto Rico. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Buffalo to Puerto Rico flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 13, 2025.
See what other customers who have flown with Southwest, Delta, and American Airlines from Buffalo to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,236 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,236 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
American Airlines
7.2
Good
11,050 reviews
Southwest
8.0
Very good
4,236 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
2,907 reviews
Southwest
8.0
Very good
4,236 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
3,114 reviews
Southwest
8.0
Very good
4,236 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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?

    For a flight from Buffalo to Puerto Rico, you will be flying from Buffalo. Buffalo (BUF) is just 8.3 mi from the center of the city.

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

    There are many flights that can get you from Buffalo to Puerto Rico in 6h 22m. Fly via American Airlines, Southwest, or United Airlines to get the fastest option. There are 1848 mi between Buffalo and Puerto Rico. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Buffalo to Puerto Rico one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $84. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Buffalo to Puerto Rico for a low price.

  • What are the most popular routes from Buffalo to Puerto Rico?

    Most travelers choose Buffalo - San Juan Luis Munoz Marin Intl, Buffalo - Ponce Mercedita or Buffalo - Aguadilla Borinquen when deciding on the best route from Buffalo to Puerto Rico.

  • 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 $133). Flying from Buffalo to Puerto Rico in June is currently the most expensive (average of $254). 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

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Alternative routes for Buffalo to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Buffalo to Puerto Rico

Discover the top 6 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 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$271FlexibilityNo cancel feeOn-time62%
DeltaCheapest$160Average$317FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$225Average$491FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$245Average$405FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$254Average$414FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$264Average$394FlexibilityNo cancel feeOn-time71%

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