Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Buffalo to Puerto Rico from C$ 153

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Puerto Rico

Enter your travel dates to find the best prices.

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 6 August 2026.

Tue 3/116:30 a.m. -
2 stops13h 54m
Fri 6/112:05 a.m. -
1 stop9h 03m
Deal found 5/8C$ 410
Tue 22/97:00 a.m. -
2 stops13h 38m
Thu 24/94:55 p.m. -
1 stop6h 55m
Deal found 5/8C$ 414
Sat 29/86:55 a.m. -
2 stops13h 43m
Thu 3/94:55 p.m. -
1 stop6h 49m
Deal found 1/8C$ 416
Tue 3/116:00 a.m. -
1 stop6h 15m
Tue 10/118:25 a.m. -
2 stops15h 34m
Deal found 4/8C$ 421
Mon 14/94:35 p.m. -
1 stop7h 20m
Sat 19/95:55 a.m. -
2 stops10h 50m
Deal found 5/8C$ 430
Sat 24/1010:46 a.m. -
2 stops13h 04m
Tue 27/101:05 a.m. -
2 stops12h 12m
Deal found 2/8C$ 433
Tue 22/97:00 a.m. -
2 stops13h 38m
Sat 26/91:00 a.m. -
2 stops8h 35m
Deal found 4/8C$ 437
Tue 25/82:35 p.m. -
1 stop7h 25m
Thu 27/85:30 a.m. -
1 stop7h 15m
Deal found 1/8C$ 444
Sat 29/87:00 a.m. -
Nonstop4h 40m
Sat 5/96:20 p.m. -
Nonstop4h 38m
Deal found 3/8C$ 449
Wed 16/97:00 a.m. -
2 stops13h 38m
Tue 22/97:00 a.m. -
2 stops14h 07m
Deal found 4/8C$ 451
Sat 24/108:00 a.m. -
Nonstop4h 39m
Wed 28/106:15 p.m. -
Nonstop4h 38m
Deal found 3/8C$ 454

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 6 August 2026.

Round-trip from

C$ 410

One-way from

C$ 153

Popular in

December

Cheapest in

March

Average price

C$ 511

Good round-trip deal

C$ 463 or less
United Airlines
  • United Airlines
  • 3/11-6/11
  • 3 total stops
  • 22h 57m total
  • Buffalo to Puerto Rico
Search Deals
United Airlines
  • United Airlines
  • 2/9
  • 1 total stop
  • 7h 45m total
  • Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip 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 629,999 searches. Data last updated 6 August 2026.
Use the filters below to find and compare flights from Buffalo to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 16/9

7:00 a.m.-8:38 p.m.

2 stops13h 38m

San Juan Luis Munoz Marin Intl

Sat 19/9

1:00 a.m.-9:48 a.m.

2 stops8h 48m

C$ 433

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 11/9

6:55 a.m.-2:44 p.m.

1 stop7h 49m

San Juan Luis Munoz Marin Intl

Mon 14/9

4:55 p.m.-11:44 p.m.

1 stop6h 49m

C$ 433

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 24/10

10:46 a.m.-11:50 p.m.

2 stops13h 04m

San Juan Luis Munoz Marin Intl

Tue 27/10

1:05 a.m.-1:17 p.m.

2 stops12h 12m

C$ 433

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 22/9

6:00 a.m.-1:53 p.m.

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Mon 28/9

1:00 a.m.-1:11 p.m.

2 stops12h 11m

C$ 434

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 25/8

2:35 p.m.-10:00 p.m.

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Thu 27/8

5:30 a.m.-12:45 p.m.

1 stop7h 15m

C$ 444

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 28/9

4:35 p.m.-11:55 p.m.

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Fri 2/10

6:00 a.m.-1:45 p.m.

1 stop7h 45m

C$ 444
Quickest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 24/10

8:00 a.m.-12:39 p.m.

Nonstop4h 39m

San Juan Luis Munoz Marin Intl

Wed 28/10

6:15 p.m.-10:53 p.m.

Nonstop4h 38m

C$ 454

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 11/9

6:00 a.m.-1:45 p.m.

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Thu 17/9

4:55 p.m.-11:44 p.m.

1 stop6h 49m

C$ 455
Cheapest one-way

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 2/9

6:00 a.m.-1:45 p.m.

1 stop7h 45m

C$ 153

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 9/9

8:05 a.m.-7:05 p.m.

1 stop11h 00m

C$ 153

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 19 resultsSorted by cheapest first
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, March is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 480). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 861). 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 6 August 2026.

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.

How far ahead should I book a flight from Buffalo to Puerto Rico?

The price you pay for your flight from Buffalo to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 6 August 2026.
Read reviews from past customers who have flown Southwest,American Airlines, andJetBlue from Buffalo to Puerto Rico. 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
4,218 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,218 reviews
Southwest
8.0
Very good
4,218 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,867 reviews
Southwest
8.0
Very good
4,218 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
JetBlue
7.1
Good
3,024 reviews
Southwest
8.0
Very good
4,218 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Frontier
5.6
Fair
2,723 reviews
Southwest
8.0
Very good
4,218 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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.

  • How long is the flight from Buffalo to Puerto Rico?

    For as low as C$ 433, United Airlines can have you in Puerto Rico from Buffalo in 13h 38m. The distance from Buffalo to Puerto Rico is about 2974 km.

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

    The cheapest flight price from Buffalo to Puerto Rico is C$ 428. On average you can expect to pay C$ 480. The most popular route, (Buffalo - San Juan Luis Munoz Marin Intl), can usually be booked for C$ 392.

  • 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, March is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 480). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 861). 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.

Top 4 airlines flying from Buffalo to Puerto Rico

Discover the top 4 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 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 204AverageC$ 496FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FrontierCheapestC$ 241AverageC$ 526FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 299AverageC$ 504FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 316AverageC$ 629FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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.