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Cheap flights from Buffalo to Puerto Rico from C$ 191

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 343

One-way from

C$ 191

Popular in

December

Cheapest in

September

Average price

C$ 625
Southwest
  • Southwest
  • 5/7-12/7
  • 2 total stops
  • 18h 05m total
  • Buffalo to Puerto Rico
Search Deals
Frontier
  • Frontier
  • 26/7
  • 1 total stop
  • 11h 27m total
  • Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 12 June 2025.

Fri 26/97:07 a.m.BUF - SJU
1 stop7h 37mUnited Airlines
Mon 29/91:05 a.m.SJU - BUF
2 stops8h 38mUnited Airlines
Deal found 10/6C$ 343
Mon 1/96:20 a.m.BUF - SJU
1 stop6h 50mDelta
Mon 8/92:20 p.m.SJU - BUF
1 stop8h 39mDelta
Deal found 10/6C$ 373
Tue 12/84:05 p.m.BUF - SJU
1 stop6h 40mSouthwest
Tue 19/81:35 p.m.SJU - BUF
1 stop6h 45mSouthwest
Deal found 11/6C$ 403
Fri 4/73:55 p.m.BUF - SJU
1 stop7h 04mJetBlue
Mon 7/73:05 a.m.SJU - BUF
1 stop8h 51mJetBlue
Deal found 9/6C$ 442
Fri 28/111:34 p.m.BUF - SJU
1 stop8h 57mAmerican Airlines
Sat 6/122:30 p.m.SJU - BUF
1 stop10h 37mAmerican Airlines
Deal found 11/6C$ 494
Thu 17/79:07 p.m.BUF - SJU
1 stop27h 25mFrontier
Thu 24/73:51 p.m.SJU - BUF
1 stop15h 56mFrontier
Deal found 10/6C$ 505

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 629,999 searches. Data last updated 12 June 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

Sat 5/7

8:30 a.m.-5:30 p.m.

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Sat 12/7

1:25 p.m.-10:30 p.m.

1 stop9h 05m

C$ 343

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 1/9

6:20 a.m.-1:10 p.m.

1 stop6h 50m

San Juan Luis Munoz Marin Intl

Mon 8/9

2:20 p.m.-10:59 p.m.

1 stop8h 39m

C$ 373

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 4/7

3:55 p.m.-10:59 p.m.

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Mon 7/7

3:05 a.m.-11:56 a.m.

1 stop8h 51m

C$ 442

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 17/7

9:07 p.m.-12:32 a.m.

1 stop27h 25m

San Juan Luis Munoz Marin Intl

Thu 24/7

3:51 p.m.-7:47 a.m.

1 stop15h 56m

C$ 505

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 4/7

10:50 a.m.-12:02 a.m.

2 stops13h 12m

San Juan Luis Munoz Marin Intl

Tue 8/7

1:10 a.m.-10:27 a.m.

1 stop9h 17m

C$ 520

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 26/7

9:37 p.m.-9:04 a.m.

1 stop11h 27m

C$ 191

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 4/7

3:55 p.m.-10:59 p.m.

1 stop7h 04m

C$ 197

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 6/8

8:25 a.m.-2:55 p.m.

1 stop6h 30m

C$ 250

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 4/7

10:50 a.m.-12:02 a.m.

2 stops13h 12m

C$ 287

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 26/7

9:56 a.m.-11:32 a.m.

2 stops25h 36m

C$ 312

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 11 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, April is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 254). Flying from Buffalo to Puerto Rico in July is currently the most expensive (average of C$ 580). 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 12 June 2025.

When flying from Buffalo to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 55.0 - 156.0 mm per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit Puerto Rico when rainfall is around 55.0 mm.

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 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

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 12 June 2025.
Read through reviews of airlines operating flights from Buffalo to Puerto Rico, such as Southwest, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,925 reviews
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
5.9
Fair
3,295 reviews
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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?

    Located just 13.4 km from the city centre, Buffalo (BUF) is the airport most travellers will use when flying to Puerto Rico from Buffalo.

  • What are the cheapest airlines to fly from Buffalo to Puerto Rico one-way?

    One-way options have recently been found by users for as low as C$ 191 on Frontier. Other airlines that offer cheap prices include JetBlue from C$ 197 and Southwest from C$ 250 one-way.

  • 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, April is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 254). Flying from Buffalo to Puerto Rico in July is currently the most expensive (average of C$ 580). 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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Top 5 airlines flying from Buffalo to Puerto Rico

Discover the top 5 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 164AverageC$ 615FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FrontierCheapestC$ 232AverageC$ 370FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 339AverageC$ 585FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 459AverageC$ 748FlexibilityNo cancel feeOn-time63%
Search Southwest flights
United AirlinesCheapestC$ 507AverageC$ 845FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Buffalo to Puerto Rico?

When you search for this flight from Buffalo to Puerto Rico, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Puerto Rico?

Millions of users choose and trust Cheapflights to book the best flight deals from Buffalo to Puerto Rico for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Buffalo to Puerto Rico with no change fees?

Certainly. Search results for flights to Puerto Rico from Buffalo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Buffalo to Puerto Rico become cheaper?

Yes! Start tracking prices for Buffalo to Puerto Rico flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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