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Puerto Rico

$107+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$187
(Priceline)

One-way from

$107
(Priceline)

Popular in

December

Cheapest in

September

Average price

$457
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. 4% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Priceline deal was found by Cheapflights users on 6/12. 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.
Sat 9/137:11 pmBUF - SJU
1 stop7h 23mFrontier
Sun 9/219:07 amSJU - BUF
1 stop7h 54mFrontier
Deal found 6/12$187
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 9/267:07 amBUF - SJU
1 stop7h 37mUnited Airlines
Mon 9/291:05 amSJU - BUF
2 stops12h 17mUnited Airlines
Deal found 6/10$251
This Southwest deal was found by Cheapflights users on 6/12. 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.
Tue 8/124:05 pmBUF - SJU
1 stop6h 40mSouthwest
Tue 8/191:35 pmSJU - BUF
1 stop6h 45mSouthwest
Deal found 6/12$295
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 10/207:58 pmBUF - SJU
1 stop14h 52mAmerican Airlines
Sat 10/251:55 pmSJU - BUF
2 stops8h 57mAmerican Airlines
Deal found 6/9$339
This JetBlue deal was found by Cheapflights users on 6/9. 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 7/43:55 pmBUF - SJU
1 stop7h 04mJetBlue
Thu 7/1010:35 amSJU - BUF
1 stop8h 25mJetBlue
Deal found 6/9$345
This Delta deal was found by Cheapflights users on 6/9. 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.
Mon 6/307:00 amBUF - SJU
1 stop9h 28mDelta
Tue 7/81:34 pmSJU - BUF
1 stop11h 19mDelta
Deal found 6/9$357
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/29:56 amBUF - PSE
2 stops46h 30mFrontier
Thu 8/149:16 amPSE - BUF
1 stop22h 31mFrontier
Deal found 6/11$410
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/255:04 pmBUF - BQN
2 stops41h 02mFrontier
Sat 6/282:59 amBQN - BUF
1 stop28h 51mFrontier
Deal found 6/10$470
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/810:50 amBUF - BQN
2 stops12h 19mUnited Airlines
Mon 7/1412:15 amBQN - BUF
2 stops13h 06mUnited Airlines
Deal found 6/10$505
This JetBlue deal was found by Cheapflights users on 6/10. 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 7/87:56 pmBUF - BQN
1 stop7h 03mJetBlue
Tue 7/159:40 amBQN - BUF
1 stop9h 20mJetBlue
Deal found 6/10$520

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 June 12, 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 9/13

7:11 pm-2:34 am

1 stop7h 23m

San Juan Luis Munoz Marin Intl

Sun 9/21

9:07 am-5:01 pm

1 stop7h 54m

$187

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 9/26

7:07 am-2:44 pm

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Mon 9/29

1:05 am-1:22 pm

2 stops12h 17m

$251

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 8/12

4:05 pm-10:45 pm

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Tue 8/19

1:35 pm-8:20 pm

1 stop6h 45m

$295

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 7/4

3:55 pm-10:59 pm

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Sat 7/12

5:40 am-12:49 pm

1 stop7h 09m

$331

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 10/20

7:58 pm-10:50 am

1 stop14h 52m

San Juan Luis Munoz Marin Intl

Sat 10/25

1:55 pm-10:52 pm

2 stops8h 57m

$339

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 6/30

7:00 am-4:28 pm

1 stop9h 28m

San Juan Luis Munoz Marin Intl

Tue 7/8

1:34 pm-12:53 am

1 stop11h 19m

$357

BuffaloPonce

BUF - PSE

BUFPSE

Buffalo

Sat 8/2

9:56 am-8:26 am

2 stops46h 30m

Ponce Mercedita

Thu 8/14

9:16 am-7:47 am

1 stop22h 31m

$410

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Wed 6/25

5:04 pm-10:06 am

2 stops41h 02m

Aguadilla Borinquen

Sat 6/28

2:59 am-7:50 am

1 stop28h 51m

$470

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Tue 7/8

10:50 am-11:09 pm

2 stops12h 19m

Aguadilla Borinquen

Mon 7/14

12:15 am-1:21 pm

2 stops13h 06m

$505

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Tue 7/8

7:56 pm-2:59 am

1 stop7h 03m

Aguadilla Borinquen

Tue 7/15

9:40 am-7:00 pm

1 stop9h 20m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 22 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 June 12, 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.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 June 12, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Buffalo to Puerto Rico. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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
2,925 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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 Frontier, with whom users have recently found tickets for as low as $107. However, be on the lookout for offers from JetBlue 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, 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$319FlexibilityNo cancel feeOn-time62%
DeltaCheapest$167Average$334FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$220Average$489FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$288Average$470FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$463FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$338Average$531FlexibilityNo cancel feeOn-time63%

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