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Puerto Rico

$128+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$251
(Delta)

One-way from

$128
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$471
From Buffalo to Puerto Rico
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One-way flight from Buffalo to Puerto Rico
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Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:06 pmBUF - SJU
1 stop9h 54mDelta
Mon 10/61:10 pmSJU - BUF
1 stop10h 40mDelta
Deal found 6/30$251
This American Airlines deal was found by Cheapflights users on 6/30. 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 9/206:00 amBUF - SJU
2 stops17h 37mAmerican Airlines
Sat 9/277:05 pmSJU - BUF
2 stops17h 58mAmerican Airlines
Deal found 6/30$256
This Frontier deal was found by Cheapflights users on 7/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/179:07 pmBUF - SJU
1 stop11h 57mFrontier
Fri 7/187:28 pmSJU - BUF
1 stop13h 24mFrontier
Deal found 7/1$259
This Southwest deal was found by Cheapflights users on 6/29. 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.
Mon 8/1810:30 amBUF - SJU
1 stop13h 00mSouthwest
Thu 8/214:05 pmSJU - BUF
1 stop7h 00mSouthwest
Deal found 6/29$273
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/29:37 pmBUF - PSE
1 stop10h 49mFrontier
Fri 8/159:16 amPSE - BUF
1 stop23h 36mFrontier
Deal found 6/30$280
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:50 amBUF - SJU
2 stops10h 32mUnited Airlines
Wed 11/128:10 amSJU - BUF
2 stops11h 36mUnited Airlines
Deal found 6/30$309
This JetBlue deal was found by Cheapflights users on 7/1. 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.
Tue 7/228:30 amBUF - SJU
1 stop9h 34mJetBlue
Tue 7/293:05 amSJU - BUF
1 stop8h 51mJetBlue
Deal found 7/1$316
This JetBlue deal was found by Cheapflights users on 6/29. 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.
Tue 8/51:43 pmBUF - BQN
1 stop10h 06mJetBlue
Tue 8/125:01 amBQN - BUF
1 stop7h 47mJetBlue
Deal found 6/29$338
This Orbitz deal was found by Cheapflights users on 6/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/53:37 pmBUF - BQN
2 stops10h 24mFrontier
Mon 8/112:59 amBQN - BUF
2 stops11h 53mFrontier
Deal found 6/29$350
This Expedia deal was found by Cheapflights users on 7/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:30 pmBUF - PSE
2 stops13h 32mJetBlue
Tue 8/51:59 amPSE - BUF
1 stop10h 02mJetBlue
Deal found 7/1$370
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:00 amBUF - BQN
2 stops16h 09mUnited Airlines
Sun 8/2412:15 amBQN - BUF
2 stops22h 41mUnited Airlines
Deal found 6/30$607

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 July 1, 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 9/20

6:15 am-12:59 pm

1 stop6h 44m

San Juan Luis Munoz Marin Intl

Sat 9/27

2:15 pm-10:36 pm

1 stop8h 21m

$251

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 9/20

6:00 am-11:37 pm

2 stops17h 37m

San Juan Luis Munoz Marin Intl

Sat 9/27

7:05 pm-1:03 pm

2 stops17h 58m

$256

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 7/17

9:07 pm-9:04 am

1 stop11h 57m

San Juan Luis Munoz Marin Intl

Fri 7/18

7:28 pm-8:52 am

1 stop13h 24m

$259

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 8/18

10:30 am-11:30 pm

1 stop13h 00m

San Juan Luis Munoz Marin Intl

Thu 8/21

4:05 pm-11:05 pm

1 stop7h 00m

$273

BuffaloPonce

BUF - PSE

BUFPSE

Buffalo

Sat 8/2

9:37 pm-8:26 am

1 stop10h 49m

Ponce Mercedita

Fri 8/15

9:16 am-8:52 am

1 stop23h 36m

$280

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 7/22

8:30 am-6:04 pm

1 stop9h 34m

San Juan Luis Munoz Marin Intl

Tue 7/29

3:05 am-11:56 am

1 stop8h 51m

$316

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 9/20

10:55 am-11:57 pm

2 stops13h 02m

San Juan Luis Munoz Marin Intl

Fri 9/26

1:05 am-11:43 am

2 stops10h 38m

$341

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Wed 7/23

7:55 pm-2:59 am

1 stop7h 04m

Aguadilla Borinquen

Wed 7/30

10:28 pm-11:56 am

2 stops13h 28m

$348

BuffaloPonce

BUF - PSE

BUFPSE

Buffalo

Wed 7/30

6:30 pm-8:02 am

2 stops13h 32m

Ponce Mercedita

Tue 8/5

1:59 am-12:01 pm

1 stop10h 02m

$370

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Tue 8/12

7:00 am-11:09 pm

2 stops16h 09m

Aguadilla Borinquen

Sun 8/24

12:15 am-10:56 pm

2 stops22h 41m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 21 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, September is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of $254). Flying from Buffalo to Puerto Rico in June is currently the most expensive (average of $339). 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 July 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Puerto Rico as you normally would.

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 July 1, 2025.
See what other customers who have flown with Southwest, Delta, and United 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
4,273 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,273 reviews
Southwest
8.0
Very good
4,273 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,273 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,858 reviews
Southwest
8.0
Very good
4,273 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,919 reviews
Southwest
8.0
Very good
4,273 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,273 reviews

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $128. However, be on the lookout for offers from Frontier and JetBlue, 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 - Aguadilla Borinquen or Buffalo - Culebra 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, September is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of $254). Flying from Buffalo to Puerto Rico in June is currently the most expensive (average of $339). 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$135Average$324FlexibilityNo cancel feeOn-time62%
DeltaCheapest$167Average$334FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$220Average$462FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$290Average$470FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$312Average$518FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$317Average$462FlexibilityNo cancel feeOn-time71%

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