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Cheap flights from Buffalo to Puerto Rico from C$ 215

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
10 Jul — 17 Jul1
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 10 June 2026.

Tue 27/1010:50 a.m.
BUF
-
SJU
2 stops12h 46m
United Airlines
Wed 28/107:30 a.m.
SJU
-
BUF
2 stops10h 29m
United Airlines
Deal found 9/6C$ 423
Sat 5/93:30 p.m.
BUF
-
SJU
1 stop6h 25m
Southwest
Thu 10/910:00 a.m.
SJU
-
BUF
2 stops8h 25m
Southwest
Deal found 6/6C$ 435
Fri 14/811:45 a.m.
BUF
-
SJU
2 stops10h 25m
Southwest
Fri 21/85:00 a.m.
SJU
-
BUF
1 stop6h 50m
Southwest
Deal found 10/6C$ 449
Fri 11/95:40 a.m.
BUF
-
SJU
1 stop8h 50m
Southwest
Thu 17/92:35 p.m.
SJU
-
BUF
1 stop8h 05m
Southwest
Deal found 8/6C$ 450
Fri 4/97:00 a.m.
BUF
-
SJU
Nonstop4h 33m
JetBlue
Sat 3/106:15 p.m.
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 9/6C$ 453
Sun 6/96:05 a.m.
BUF
-
SJU
1 stop10h 33m
Delta
Sat 12/93:10 p.m.
SJU
-
BUF
1 stop7h 53m
Delta
Deal found 8/6C$ 466
Wed 26/812:00 p.m.
BUF
-
SJU
2 stops9h 05m
Southwest
Mon 31/85:00 a.m.
SJU
-
BUF
1 stop6h 50m
Southwest
Deal found 7/6C$ 470
Sat 5/96:40 a.m.
BUF
-
SJU
1 stop6h 36m
Delta
Sun 27/91:32 p.m.
SJU
-
BUF
1 stop10h 40m
Delta
Deal found 9/6C$ 480
Mon 31/87:00 a.m.
BUF
-
SJU
Nonstop4h 33m
JetBlue
Sat 3/106:15 p.m.
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 9/6C$ 481
Thu 20/81:40 p.m.
BUF
-
SJU
1 stop9h 25m
Southwest
Tue 25/81:20 p.m.
SJU
-
BUF
1 stop8h 25m
Southwest
Deal found 9/6C$ 485
Wed 12/87:00 a.m.
BUF
-
SJU
Nonstop4h 33m
JetBlue
Sat 22/86:20 p.m.
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 7/6C$ 488
Mon 29/67:00 a.m.
BUF
-
SJU
Nonstop4h 43m
JetBlue
Fri 3/76:20 p.m.
SJU
-
BUF
Nonstop4h 38m
JetBlue
Deal found 9/6C$ 495

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 10 June 2026.

Round-trip from

C$ 423

One-way from

C$ 215

Popular in

December

Cheapest in

September

Average price

C$ 531

Good round-trip deal

C$ 536 or less
United Airlines
  • United Airlines
  • 27/10-27/10
  • 2 total stops
  • 18h 31m total
  • Buffalo to Puerto Rico
Search Deals
United Airlines
  • United Airlines
  • 9/9
  • 1 total stop
  • 7h 53m total
  • Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 10 June 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 - SJU

BUFSJU

Buffalo

Fri 9/10

3:10 p.m.-11:10 p.m.

1 stop8h 00m

San Juan Luis Munoz Marin Intl

Tue 13/10

5:35 a.m.-2:50 p.m.

2 stops9h 15m

C$ 435

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 3/11

1:15 p.m.-12:56 a.m.

1 stop10h 41m

San Juan Luis Munoz Marin Intl

Tue 10/11

7:15 a.m.-3:36 p.m.

1 stop9h 21m

C$ 466

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 23/10

3:10 p.m.-11:10 p.m.

1 stop8h 00m

San Juan Luis Munoz Marin Intl

Sun 1/11

5:35 a.m.-11:25 a.m.

1 stop6h 50m

C$ 485
Quickest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 16/10

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

Nonstop4h 39m

San Juan Luis Munoz Marin Intl

Wed 21/10

6:15 p.m.-10:50 p.m.

Nonstop4h 35m

C$ 488

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 5/9

7:50 a.m.-6:15 p.m.

2 stops10h 25m

San Juan Luis Munoz Marin Intl

Thu 10/9

10:00 a.m.-6:25 p.m.

2 stops8h 25m

C$ 495

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 19/9

6:00 a.m.-1:34 p.m.

1 stop7h 34m

San Juan Luis Munoz Marin Intl

Sat 26/9

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

Nonstop4h 38m

C$ 505

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 22/9

6:00 a.m.-1:34 p.m.

1 stop7h 34m

San Juan Luis Munoz Marin Intl

Wed 23/9

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

Nonstop4h 38m

C$ 517
Cheapest one-way

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 7/9

5:40 a.m.-2:30 p.m.

1 stop8h 50m

C$ 218

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 14/8

4:35 p.m.-11:50 p.m.

1 stop7h 15m

C$ 218

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 16/8

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

1 stop6h 45m

C$ 218

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 17 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, April is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 130). Flying from Buffalo to Puerto Rico in June is currently the most expensive (average of C$ 294). 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 10 June 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 86 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 10 June 2026.
Read reviews from past customers who have flown Southwest,Delta, andAmerican Airlines 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
7.9
Good
4,237 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
7.9
Good
4,237 reviews
Southwest
7.9
Good
4,237 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Delta
7.9
Good
8,395 reviews
Southwest
7.9
Good
4,237 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
American Airlines
7.1
Good
11,640 reviews
Southwest
7.9
Good
4,237 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
JetBlue
7.1
Good
2,980 reviews
Southwest
7.9
Good
4,237 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Frontier
5.6
Fair
2,898 reviews
Southwest
7.9
Good
4,237 reviews
Check prices

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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$ 488, Southwest can have you in Puerto Rico from Buffalo in 4h 39m. The distance from Buffalo to Puerto Rico is about 2974 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapest flight price from Buffalo to Puerto Rico is C$ 534. On average you can expect to pay C$ 582. The most popular route, (Buffalo - San Juan Luis Munoz Marin Intl), can usually be booked for C$ 1,064.

  • 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$ 130). Flying from Buffalo to Puerto Rico in June is currently the most expensive (average of C$ 294). 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 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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 203AverageC$ 508FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FrontierCheapestC$ 240AverageC$ 518FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 297AverageC$ 506FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 314AverageC$ 625FlexibilityNo cancel feeOn-time63%
Search Southwest flights
DeltaCheapestC$ 370AverageC$ 429FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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