Puerto Rico

$95+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
mar. 18 — mar. 251
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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 februar 16, 2026.

This Booking.com deal was found by Cheapflights users on 2/14. 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.
tir. 4/71:02 pm
BUF
-
SJU
1 stop11h 50m
Frontier
ons. 4/153:19 pm
SJU
-
BUF
1 stop27h 54m
Frontier
Deal found 2/14$199
This Travelocity deal was found by Cheapflights users on 2/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 3/112:04 pm
BUF
-
SJU
1 stop13h 21m
Frontier
fre. 3/63:58 am
SJU
-
BUF
1 stop7h 51m
Frontier
Deal found 2/14$206
This Priceline deal was found by Cheapflights users on 2/16. 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.
tir. 3/37:17 pm
BUF
-
SJU
1 stop6h 36m
Multiple Airlines
tir. 3/1010:59 pm
SJU
-
BUF
1 stop10h 36m
Multiple Airlines
Deal found 2/16$207
This Frontier deal was found by Cheapflights users on 2/13. 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.
søn. 4/1911:25 am
BUF
-
SJU
1 stop11h 23m
Frontier
man. 4/206:30 am
SJU
-
BUF
1 stop12h 43m
Frontier
Deal found 2/13$208
This CheapOair deal was found by Cheapflights users on 2/13. 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.
man. 5/411:25 am
BUF
-
SJU
1 stop11h 23m
Frontier
fre. 5/83:19 pm
SJU
-
BUF
1 stop19h 30m
Frontier
Deal found 2/13$211
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 4/257:02 pm
BUF
-
SJU
1 stop7h 05m
Multiple Airlines
fre. 5/13:08 am
SJU
-
BUF
1 stop7h 41m
Multiple Airlines
Deal found 2/12$213
This CheapOair deal was found by Cheapflights users on 2/13. 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.
man. 5/411:25 am
BUF
-
SJU
1 stop11h 23m
Frontier
ons. 5/63:19 pm
SJU
-
BUF
1 stop27h 54m
Frontier
Deal found 2/13$219
This Delta deal was found by Cheapflights users on 2/12. 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.
tir. 4/212:34 pm
BUF
-
SJU
1 stop9h 25m
Delta
ons. 4/297:30 am
SJU
-
BUF
1 stop8h 23m
Delta
Deal found 2/12$222
This KAYAK deal was found by Cheapflights users on 2/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 4/227:02 pm
BUF
-
SJU
1 stop7h 05m
JetBlue
tor. 4/305:01 am
SJU
-
BUF
1 stop6h 28m
JetBlue
Deal found 2/12$223
This Priceline deal was found by Cheapflights users on 2/12. 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.
lør. 2/284:37 pm
BUF
-
SJU
1 stop9h 16m
Frontier
lør. 3/77:55 pm
SJU
-
BUF
1 stop12h 54m
Frontier
Deal found 2/12$227
This Priceline deal was found by Cheapflights users on 2/14. 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.
søn. 2/222:57 pm
BUF
-
SJU
1 stop8h 01m
Multiple Airlines
lør. 2/285:25 pm
SJU
-
BUF
1 stop17h 27m
Multiple Airlines
Deal found 2/14$228
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 4/117:31 pm
BUF
-
PSE
1 stop16h 18m
Frontier
fre. 5/111:36 am
PSE
-
BUF
1 stop23h 13m
Frontier
Deal found 2/15$273

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 februar 16, 2026.

Round-trip from

$199
(Booking.com)

One-way from

$95
(Super.com)

Popular in

December

Cheapest in

September

Average price

$387

Good round-trip deal

$333 or less
From Buffalo to Puerto Rico
One-way flight from Buffalo to Puerto Rico
Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Buffalo to Puerto Rico.

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 februar 16, 2026.
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

lør. 4/11

1:09 pm-12:14 am

1 stop11h 05m

San Juan Luis Munoz Marin Intl

ons. 4/15

3:19 pm-7:13 pm

1 stop27h 54m

$213

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

fre. 4/10

4:54 pm-12:10 am

1 stop7h 16m

San Juan Luis Munoz Marin Intl

ons. 4/15

3:19 pm-7:13 pm

1 stop27h 54m

$213

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

søn. 4/26

6:00 am-1:45 pm

1 stop7h 45m

San Juan Luis Munoz Marin Intl

fre. 5/1

1:00 am-1:18 pm

2 stops12h 18m

$222

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

tir. 3/10

3:56 pm-11:59 pm

1 stop8h 03m

San Juan Luis Munoz Marin Intl

tir. 3/17

7:30 am-6:43 pm

1 stop11h 13m

$222

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

man. 5/4

5:45 am-12:10 pm

1 stop6h 25m

San Juan Luis Munoz Marin Intl

fre. 5/8

5:35 am-4:40 pm

1 stop11h 05m

$222

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

tir. 4/21

7:00 am-8:38 pm

2 stops13h 38m

San Juan Luis Munoz Marin Intl

ons. 4/29

4:55 pm-11:52 pm

1 stop6h 57m

$222

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

søn. 4/19

4:44 pm-11:12 pm

1 stop6h 28m

San Juan Luis Munoz Marin Intl

tir. 4/21

7:30 am-3:53 pm

1 stop8h 23m

$222

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

lør. 4/25

12:06 pm-11:12 pm

1 stop11h 06m

San Juan Luis Munoz Marin Intl

tor. 4/30

5:42 pm-12:49 am

1 stop7h 07m

$222

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

tor. 4/23

12:06 pm-11:12 pm

1 stop11h 06m

San Juan Luis Munoz Marin Intl

tor. 4/30

1:25 pm-12:49 am

1 stop11h 24m

$222

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

lør. 5/2

12:06 pm-11:13 pm

1 stop11h 07m

San Juan Luis Munoz Marin Intl

tor. 5/7

2:30 pm-11:59 pm

1 stop9h 29m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 51 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, August is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of $129). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of $250). 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 februar 16, 2026.
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.

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

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

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

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

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

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

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

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

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

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

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

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 45m. Fly via Frontier, United Airlines, or Delta 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 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?

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

    Looking at all options, your cheapest flight can be booked for $290. While the most popular route (Buffalo - San Juan Luis Munoz Marin Intl) can be booked for $207 on average, our data indicates $475 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, August is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of $129). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of $250). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 februar 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$126Average$298FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$129Average$262FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$192Average$406FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$225Average$478FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$231Average$398FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$418FlexibilityNo cancel feeOn-time69%

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