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Puerto Rico

$113+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Oct 30 — Nov 61
Thu 10/30
Thu 11/6
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 September 30, 2025.

Round-trip from

$225
(Southwest)

One-way from

$113
(Southwest)

Popular in

December

Cheapest in

September

Average price

$307
From Buffalo to Puerto Rico
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One-way flight from Buffalo to Puerto Rico
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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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 September 30, 2025.

This Southwest deal was found by Cheapflights users on 9/29. 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.
Wed 10/295:10 pmBUF - SJU
1 stop6h 40mSouthwest
Wed 11/55:45 amSJU - BUF
2 stops9h 35mSouthwest
Deal found 9/29$225
This eDestinos deal was found by Cheapflights users on 9/28. 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.
Mon 10/209:13 pmBUF - SJU
1 stop29h 17mFrontier
Sat 10/257:58 pmSJU - BUF
1 stop16h 37mFrontier
Deal found 9/28$231
This CheapOair deal was found by Cheapflights users on 9/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:00 amBUF - SJU
1 stop10h 42mJetBlue
Sat 10/256:00 pmSJU - BUF
1 stop15h 20mJetBlue
Deal found 9/29$233
This American Airlines deal was found by Cheapflights users on 9/28. 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 11/110:45 amBUF - SJU
1 stop12h 20mAmerican Airlines
Wed 11/52:47 pmSJU - BUF
2 stops9h 57mAmerican Airlines
Deal found 9/28$235
This Priceline deal was found by Cheapflights users on 9/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:00 amBUF - SJU
1 stop13h 54mJetBlue
Sun 11/25:27 amSJU - BUF
1 stop27h 53mJetBlue
Deal found 9/29$240
This Priceline deal was found by Cheapflights users on 9/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:15 pmBUF - SJU
1 stop14h 33mJetBlue
Thu 11/201:44 amSJU - BUF
1 stop10h 07mJetBlue
Deal found 9/29$244
This JetBlue deal was found by Cheapflights users on 9/29. 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.
Fri 10/317:00 amBUF - SJU
1 stop7h 21mJetBlue
Wed 11/59:30 amSJU - BUF
1 stop7h 09mJetBlue
Deal found 9/29$246
This CheapOair deal was found by Cheapflights users on 9/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:28 pmBUF - SJU
1 stop18h 53mJetBlue
Sun 11/28:05 amSJU - BUF
1 stop28h 14mJetBlue
Deal found 9/29$248
This CheapOair deal was found by Cheapflights users on 9/28. 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.
Fri 11/147:28 pmBUF - SJU
1 stop7h 20mJetBlue
Fri 11/218:20 pmSJU - BUF
1 stop26h 31mJetBlue
Deal found 9/28$252
This JetBlue deal was found by Cheapflights users on 9/29. 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 11/1111:00 amBUF - SJU
1 stop10h 04mJetBlue
Tue 11/188:05 amSJU - BUF
1 stop8h 34mJetBlue
Deal found 9/29$253
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 10/288:00 amBUF - SJU
2 stops14h 10mAmerican Airlines
Tue 11/46:00 amSJU - BUF
2 stops10h 02mAmerican Airlines
Deal found 9/28$258
This JetBlue deal was found by Cheapflights users on 9/29. 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 10/77:59 pmBUF - BQN
1 stop6h 32mJetBlue
Tue 10/215:01 amBQN - BUF
1 stop9h 58mJetBlue
Deal found 9/29$328

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 September 30, 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

Sun 11/9

3:45 pm-11:56 pm

1 stop7h 11m

San Juan Luis Munoz Marin Intl

Thu 11/20

3:20 pm-10:57 pm

1 stop8h 37m

$225

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 10/28

7:00 am-4:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Tue 11/4

7:00 am-3:10 pm

1 stop9h 10m

$225

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 11/13

7:28 pm-3:48 am

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Tue 11/18

8:05 am-3:39 pm

1 stop8h 34m

$233

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 11/12

12:15 pm-9:54 pm

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Wed 11/19

8:05 am-3:39 pm

1 stop8h 34m

$233

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 10/15

7:00 am-4:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Thu 10/30

12:46 pm-11:39 pm

1 stop10h 53m

$240

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 11/13

7:28 pm-3:48 am

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Thu 11/20

1:44 am-10:51 am

1 stop10h 07m

$244

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 10/31

7:00 am-2:21 pm

1 stop7h 21m

San Juan Luis Munoz Marin Intl

Wed 11/5

9:30 am-3:39 pm

1 stop7h 09m

$246

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 10/8

6:30 am-8:38 pm

2 stops14h 08m

San Juan Luis Munoz Marin Intl

Tue 10/21

1:05 am-9:43 am

2 stops8h 38m

$253

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 11/11

11:00 am-10:04 pm

1 stop10h 04m

San Juan Luis Munoz Marin Intl

Wed 11/19

8:05 am-3:39 pm

1 stop8h 34m

$253

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 11/11

11:00 am-10:04 pm

1 stop10h 04m

San Juan Luis Munoz Marin Intl

Tue 11/18

8:05 am-3:39 pm

1 stop8h 34m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 45 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 September 30, 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 September 30, 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
4,245 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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
7,964 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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
2,913 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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
3,155 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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 7h 11m. Fly via Delta, JetBlue, or Frontier 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 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 September 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$271FlexibilityNo cancel feeOn-time62%
DeltaCheapest$166Average$328FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$220Average$449FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$227Average$488FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$264Average$424FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$471FlexibilityNo cancel feeOn-time69%

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