HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$121+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
apr 8 — apr 151
tis 4/8
tis 4/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Puerto Rico with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 april 3, 2025.

Round-trip from

$251
(Delta)

One-way from

$121
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$447
From Buffalo to Puerto Rico
Search Deals
One-way flight from Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 april 3, 2025.

This American Airlines deal was found by Cheapflights users on 4/2. 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.
tis 10/147:58 pmBUF - SJU
1 stop14h 52mAmerican Airlines
ons 10/2211:50 amSJU - BUF
1 stop12h 16mAmerican Airlines
Deal found 4/2$241
This Delta deal was found by Cheapflights users on 4/2. 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.
lör 4/2612:07 pmBUF - SJU
1 stop11h 08mDelta
lör 5/36:35 amSJU - BUF
1 stop8h 37mDelta
Deal found 4/2$251
This JetBlue Airways deal was found by Cheapflights users on 4/1. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 4/248:19 pmBUF - SJU
1 stop6h 31mJetBlue
tis 4/294:00 amSJU - BUF
1 stop6h 37mJetBlue
Deal found 4/1$294
This Frontier deal was found by Cheapflights users on 4/2. 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.
ons 4/1611:24 amBUF - SJU
1 stop10h 14mFrontier
ons 4/239:30 pmSJU - BUF
1 stop11h 32mFrontier
Deal found 4/2$296
This United Airlines deal was found by Cheapflights users on 4/2. 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.
tis 10/147:00 amBUF - SJU
1 stop7h 44mUnited Airlines
tis 10/211:05 amSJU - BUF
1 stop8h 04mUnited Airlines
Deal found 4/2$301
This Frontier deal was found by Cheapflights users on 4/2. 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.
fre 4/257:00 pmBUF - BQN
1 stop6h 54mFrontier
mån 4/289:56 amBQN - BUF
1 stop8h 14mFrontier
Deal found 4/2$306
This CheapOair deal was found by Cheapflights users on 4/2. 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.
tors 5/159:51 amBUF - PSE
1 stop23h 05mFrontier
sön 5/189:46 amPSE - BUF
1 stop8h 42mFrontier
Deal found 4/2$308
This Trip.com deal was found by Cheapflights users on 4/1. 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 4/65:32 pmBUF - SJU
1 stop9h 08mMultiple Airlines
tis 4/83:12 pmSJU - BUF
2 stops26h 58mMultiple Airlines
Deal found 4/1$402
This JetBlue deal was found by Cheapflights users on 4/2. 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.
mån 4/2111:29 amBUF - BQN
1 stop7h 56mJetBlue
ons 4/233:00 amBQN - BUF
1 stop7h 05mJetBlue
Deal found 4/2$443
This Southwest deal was found by Cheapflights users on 4/2. 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.
tors 5/153:35 pmBUF - SJU
2 stops8h 20mSouthwest
sön 5/185:35 pmSJU - BUF
1 stop6h 30mSouthwest
Deal found 4/2$487
This United Airlines deal was found by Cheapflights users on 4/2. 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 4/286:00 amBUF - BQN
2 stops17h 09mUnited Airlines
ons 4/3012:15 amBQN - BUF
2 stops9h 30mUnited Airlines
Deal found 4/2$500

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 april 3, 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

lör 4/26

12:07 pm-11:15 pm

1 stop11h 08m

San Juan Luis Munoz Marin Intl

lör 5/3

6:35 am-3:12 pm

1 stop8h 37m

$251

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

tors 4/24

8:19 pm-2:50 am

1 stop6h 31m

San Juan Luis Munoz Marin Intl

tis 4/29

4:00 am-10:37 am

1 stop6h 37m

$294

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

ons 4/16

11:24 am-9:38 pm

1 stop10h 14m

San Juan Luis Munoz Marin Intl

ons 4/23

9:30 pm-9:02 am

1 stop11h 32m

$296

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

fre 4/25

7:00 pm-1:54 am

1 stop6h 54m

Aguadilla Borinquen

mån 4/28

9:56 am-6:10 pm

1 stop8h 14m

$306

BuffaloPonce

BUF - PSE

BUFPSE

Buffalo

tors 5/15

9:51 am-8:56 am

1 stop23h 05m

Ponce Mercedita

sön 5/18

9:46 am-6:28 pm

1 stop8h 42m

$308

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

lör 4/26

12:54 pm-12:09 am

2 stops11h 15m

San Juan Luis Munoz Marin Intl

lör 5/3

5:30 am-3:27 pm

1 stop9h 57m

$317

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

tis 4/29

4:15 pm-10:30 pm

1 stop6h 15m

San Juan Luis Munoz Marin Intl

tors 5/15

5:35 am-4:35 pm

2 stops11h 00m

$353

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

lör 4/26

1:55 pm-11:54 pm

1 stop9h 59m

San Juan Luis Munoz Marin Intl

fre 5/2

1:05 am-1:20 pm

2 stops12h 15m

$370

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

mån 4/21

11:29 am-7:25 pm

1 stop7h 56m

Aguadilla Borinquen

ons 4/23

3:00 am-10:05 am

1 stop7h 05m

$443

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

mån 4/28

6:00 am-11:09 pm

2 stops17h 09m

Aguadilla Borinquen

ons 4/30

12:15 am-9:45 am

2 stops9h 30m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 18 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 april 3, 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 april 3, 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
4,274 reviews

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,274 reviews
Southwest
8.0
Very good
4,274 reviews

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.0
Very good
4,274 reviews

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,616 reviews
Southwest
8.0
Very good
4,274 reviews

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,919 reviews
Southwest
8.0
Very good
4,274 reviews

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,274 reviews

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 American Airlines, with whom users have recently found tickets for as low as $121. However, be on the lookout for offers from Delta 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 - 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 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Punta Cana flights
LaGuardia to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santiago de los Caballeros flights
John F Kennedy Intl to Montego Bay flights
Newark to Punta Cana flights
Newark to Santiago de los Caballeros flights
John F Kennedy Intl to Santo Domingo flights
Newark to Montego Bay flights
Newark to Oranjestad flights
Newark to Santo Domingo flights
John F Kennedy Intl to Oranjestad flights
Newark to Nassau flights
LaGuardia to Punta Cana flights
John F Kennedy Intl to Nassau flights
John F Kennedy Intl to Bridgetown flights
John F Kennedy Intl to Kingston flights
LaGuardia to Montego Bay flights
Newark to Simpson Bay flights
John F Kennedy Intl to St. John's flights
John F Kennedy Intl to Simpson Bay flights
John F Kennedy Intl to Saint Thomas Island flights
Newark to Providenciales flights
LaGuardia to Oranjestad flights
John F Kennedy Intl to Providenciales flights
Newark to Saint Thomas Island flights
John F Kennedy Intl to Willemstad flights
LaGuardia to Nassau flights
LaGuardia to Santo Domingo flights
John F Kennedy Intl to Port of Spain flights
LaGuardia to Simpson Bay flights
John F Kennedy Intl to Castries flights
LaGuardia to Santiago de los Caballeros flights
John F Kennedy Intl to Puerto Plata flights
LaGuardia to Providenciales flights
LaGuardia to Kingston flights
LaGuardia to Saint Thomas Island flights
John F Kennedy Intl to George Town flights
Newark to Kingston flights
Newark to George Town flights
John F Kennedy Intl to St. George's flights
Newark to Bridgetown flights
John F Kennedy Intl to Aguadilla flights
Newark to St. John's flights
LaGuardia to Bridgetown flights
Newark to Willemstad flights
LaGuardia to George Town flights
LaGuardia to Willemstad flights
White Plains to Luis Munoz Marin Intl 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 april 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$137Average$325FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$245Average$433FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$254Average$505FlexibilityNo cancel feeOn-time69%
DeltaCheapest$261Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$311Average$514FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$338Average$517FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.