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Puerto Rico

$126+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
maj 17 — maj 242
lör 5/17
lör 5/24
2 travelers, 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 maj 12, 2025.

Round-trip from

$251
(Delta)

One-way from

$126
(Delta)

Popular in

December

Cheapest in

September

Average price

$342
From Buffalo to Puerto Rico
Search Deals
One-way flight from Buffalo to Puerto Rico
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Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in May 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 maj 12, 2025.

This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 10/87:00 amBUF - SJU
1 stop9h 25mDelta
ons 10/157:00 amSJU - BUF
1 stop8h 16mDelta
Deal found 5/12$251
This American Airlines deal was found by Cheapflights users on 5/11. 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.
lör 9/208:14 amBUF - SJU
2 stops11h 56mAmerican Airlines
lör 9/273:55 pmSJU - BUF
1 stop16h 56mAmerican Airlines
Deal found 5/11$257
This eDestinos deal was found by Cheapflights users on 5/11. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lör 9/207:11 pmBUF - SJU
1 stop12h 48mFrontier
fre 9/263:40 amSJU - BUF
1 stop14h 36mFrontier
Deal found 5/11$295
This JetBlue deal was found by Cheapflights users on 5/11. 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.
tis 6/106:10 amBUF - SJU
1 stop8h 55mJetBlue
mån 6/163:23 amSJU - BUF
1 stop8h 21mJetBlue
Deal found 5/11$322
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 10/110:50 amBUF - SJU
2 stops13h 07mUnited Airlines
tis 10/71:05 amSJU - BUF
2 stops8h 41mUnited Airlines
Deal found 5/12$341
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 5/229:37 pmBUF - BQN
1 stop28h 20mFrontier
ons 5/282:59 amBQN - BUF
1 stop28h 52mFrontier
Deal found 5/11$348
This Southwest deal was found by Cheapflights users on 5/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 8/198:25 amBUF - SJU
1 stop6h 30mSouthwest
sön 8/2410:25 pmSJU - BUF
1 stop13h 15mSouthwest
Deal found 5/10$384
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 6/89:37 pmBUF - SJU
1 stop27h 17mMultiple Airlines
lör 6/141:27 amSJU - BUF
2 stops30h 23mMultiple Airlines
Deal found 5/11$408
This Priceline deal was found by Cheapflights users on 5/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 6/89:37 pmBUF - PSE
1 stop10h 48mFrontier
sön 6/159:10 amPSE - BUF
1 stop22h 40mFrontier
Deal found 5/11$468
This JetBlue deal was found by Cheapflights users on 5/11. 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.
ons 6/187:53 pmBUF - BQN
1 stop7h 06mJetBlue
ons 7/29:40 amBQN - BUF
1 stop9h 20mJetBlue
Deal found 5/11$548
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 6/267:00 amBUF - BQN
3 stops16h 09mUnited Airlines
tis 7/812:15 amBQN - BUF
2 stops9h 31mUnited Airlines
Deal found 5/11$608
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 5/266:00 amBUF - CPX
2 stops11h 21mUnited Airlines
fre 5/3010:13 amCPX - BUF
2 stops11h 28mUnited Airlines
Deal found 5/11$1,221

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 maj 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

ons 10/8

7:00 am-4:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

ons 10/15

7:00 am-3:16 pm

1 stop8h 16m

$251

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

lör 9/20

8:14 am-8:10 pm

2 stops11h 56m

San Juan Luis Munoz Marin Intl

lör 9/27

3:55 pm-8:51 am

1 stop16h 56m

$257

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

lör 9/20

7:11 pm-7:59 am

1 stop12h 48m

San Juan Luis Munoz Marin Intl

fre 9/26

3:40 am-6:16 pm

1 stop14h 36m

$295

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

tis 6/10

6:10 am-3:05 pm

1 stop8h 55m

San Juan Luis Munoz Marin Intl

mån 6/16

3:23 am-11:44 am

1 stop8h 21m

$322

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

ons 10/1

10:50 am-11:57 pm

2 stops13h 07m

San Juan Luis Munoz Marin Intl

tis 10/7

1:05 am-9:46 am

2 stops8h 41m

$341

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

tors 5/22

9:37 pm-1:57 am

1 stop28h 20m

Aguadilla Borinquen

ons 5/28

2:59 am-7:51 am

1 stop28h 52m

$348

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

tis 8/19

8:25 am-2:55 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

sön 8/24

10:25 pm-11:40 am

1 stop13h 15m

$384

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

sön 6/8

9:37 pm-12:54 am

1 stop27h 17m

San Juan Luis Munoz Marin Intl

lör 6/14

1:27 am-7:50 am

2 stops30h 23m

$408

BuffaloPonce

BUF - PSE

BUFPSE

Buffalo

sön 6/8

9:37 pm-8:25 am

1 stop10h 48m

Ponce Mercedita

sön 6/15

9:10 am-7:50 am

1 stop22h 40m

$468

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

ons 6/18

7:53 pm-2:59 am

1 stop7h 06m

Aguadilla Borinquen

ons 7/2

9:40 am-7:00 pm

1 stop9h 20m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 20 results
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, 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 December is currently the most expensive (average of $336). 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 maj 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 maj 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
4,290 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,290 reviews
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,724 reviews
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,924 reviews
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 Delta, with whom users have recently found tickets for as low as $126. However, be on the lookout for offers from American Airlines and Frontier, 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 - Ponce Mercedita 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 December is currently the most expensive (average of $336). 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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John F Kennedy Intl to Castries flights

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 maj 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$135Average$377FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$220Average$440FlexibilityNo cancel feeOn-time62%
DeltaCheapest$240Average$340FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$267Average$467FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$280Average$466FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$338Average$529FlexibilityNo cancel feeOn-time63%

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