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Puerto Rico

$91+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Cheap 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 December 27, 2025.

This CheapOair deal was found by Cheapflights users on 12/25. 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.
Sun 12/287:58 pmBUF - SJU
1 stop12h 00mFrontier
Sat 1/109:23 pmSJU - BUF
1 stop11h 50mFrontier
Deal found 12/25$373
This Frontier deal was found by Cheapflights users on 12/26. 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.
Tue 12/307:58 pmBUF - SJU
1 stop12h 00mFrontier
Wed 1/77:18 pmSJU - BUF
1 stop13h 55mFrontier
Deal found 12/26$424
This Southwest deal was found by Cheapflights users on 12/26. 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 12/3112:10 pmBUF - SJU
1 stop11h 25mSouthwest
Thu 1/83:50 pmSJU - BUF
1 stop7h 05mSouthwest
Deal found 12/26$433
This American Airlines deal was found by Cheapflights users on 12/26. 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.
Wed 12/3112:50 pmBUF - SJU
2 stops10h 09mAmerican Airlines
Thu 1/86:07 amSJU - BUF
1 stop10h 27mAmerican Airlines
Deal found 12/26$448
This Southwest deal was found by Cheapflights users on 12/25. 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 12/254:55 pmBUF - SJU
1 stop6h 30mSouthwest
Mon 12/299:50 pmSJU - BUF
1 stop13h 50mSouthwest
Deal found 12/25$454
This Faresmojo deal was found by Cheapflights users on 12/25. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:21 amBUF - SJU
1 stop6h 28mJetBlue
Mon 1/122:20 pmSJU - BUF
1 stop10h 27mJetBlue
Deal found 12/25$468
This Delta deal was found by Cheapflights users on 12/25. 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.
Sun 12/2812:07 pmBUF - SJU
1 stop10h 13mDelta
Tue 12/304:48 pmSJU - BUF
1 stop7h 40mDelta
Deal found 12/25$469
This JetBlue deal was found by Cheapflights users on 12/25. 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 12/2611:04 amBUF - SJU
1 stop7h 21mJetBlue
Sun 12/2812:40 pmSJU - BUF
1 stop7h 48mJetBlue
Deal found 12/25$470
This Priceline deal was found by Cheapflights users on 12/26. 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 12/307:58 pmBUF - SJU
1 stop12h 00mFrontier
Sun 2/15:39 pmSJU - BUF
1 stop25h 57mFrontier
Deal found 12/26$472
This Priceline deal was found by Cheapflights users on 12/26. 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 12/275:49 pmBUF - SJU
1 stop28h 26mMultiple Airlines
Mon 12/291:59 amSJU - BUF
1 stop9h 36mMultiple Airlines
Deal found 12/26$490
This Expedia deal was found by Cheapflights users on 12/26. 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.
Sun 12/287:58 pmBUF - SJU
1 stop12h 00mMultiple Airlines
Tue 12/3012:40 pmSJU - BUF
1 stop7h 48mMultiple Airlines
Deal found 12/26$504
This CheapOair deal was found by Cheapflights users on 12/26. 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.
Wed 12/3111:08 amBUF - PSE
1 stop23h 26mFrontier
Thu 1/812:14 pmPSE - BUF
1 stop20h 59mFrontier
Deal found 12/26$671

Find 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 December 27, 2025.

Round-trip from

$176
(Priceline)

One-way from

$91
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$531

Good round-trip deal

$158 or less

Good one-way deal

$230 or less
From Buffalo to Puerto Rico
Search Deals
One-way flight from Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Buffalo to Puerto Rico.
Search Deals
Price to beat on a one-way flight from Buffalo to Puerto Rico.
Search Deals

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 December 27, 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

BuffaloPonce

BUF - PSE

BUFPSE

Buffalo

Sat 1/10

6:33 pm-11:19 am

1 stop15h 46m

Ponce Mercedita

Sat 1/17

1:00 pm-7:11 pm

1 stop7h 11m

$181

BuffaloPonce

BUF - PSE

BUFPSE

Buffalo

Thu 1/8

9:08 am-11:19 am

1 stop25h 11m

Ponce Mercedita

Thu 1/15

12:14 pm-8:03 pm

1 stop8h 49m

$181

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 3/5

7:00 am-4:50 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Wed 3/11

7:30 am-3:51 pm

1 stop8h 21m

$211

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 1/8

8:30 am-9:26 pm

2 stops11h 56m

San Juan Luis Munoz Marin Intl

Mon 1/12

2:05 am-1:24 pm

2 stops12h 19m

$211

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 3/4

12:05 pm-11:58 pm

1 stop10h 53m

San Juan Luis Munoz Marin Intl

Wed 3/11

7:30 am-5:37 pm

1 stop10h 07m

$211

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 3/5

7:00 am-4:50 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Thu 3/12

6:15 am-3:51 pm

1 stop9h 36m

$211

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 2/3

12:14 pm-8:58 pm

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Tue 2/10

7:00 am-2:58 pm

1 stop8h 58m

$211

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 3/27

7:57 pm-2:27 am

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Sat 4/4

12:00 pm-7:37 pm

1 stop7h 37m

$212

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 3/2

7:30 pm-3:51 am

1 stop7h 21m

San Juan Luis Munoz Marin Intl

Wed 3/4

3:25 pm-11:32 pm

1 stop9h 07m

$212

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 5/13

7:39 pm-2:07 am

1 stop6h 28m

San Juan Luis Munoz Marin Intl

Mon 5/18

11:59 pm-9:00 am

1 stop9h 01m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 40 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 December is currently the most expensive (average of $273). 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.

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 December 27, 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
4,256 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,021 reviews
Southwest
8.0
Very good
4,256 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,069 reviews
Southwest
8.0
Very good
4,256 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,902 reviews
Southwest
8.0
Very good
4,256 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,070 reviews
Southwest
8.0
Very good
4,256 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 54m. Fly via Frontier, Delta, or JetBlue to get the fastest option. There are 1819 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 $65. However, be on the lookout for offers from Southwest and Delta, 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.

  • What are the cheapest flights from Buffalo to Puerto Rico?

    Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Buffalo - San Juan Luis Munoz Marin Intl) can be booked for $194 on average, our data indicates $420 when flying 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 December is currently the most expensive (average of $273). 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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$271FlexibilityNo cancel feeOn-time62%
DeltaCheapest$148Average$319FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$225Average$488FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$230Average$401FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$239Average$413FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$241Average$428FlexibilityNo cancel feeOn-time71%

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