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Cheap flights from Buffalo to Puerto Rico from C$ 131

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
26 Mar — 2 Apr1
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 24 February 2026.

Tue 3/36:07 a.m.
BUF
-
SJU
2 stops14h 19m
United Airlines
Wed 4/32:05 a.m.
SJU
-
BUF
1 stop8h 43m
United Airlines
Deal found 24/2C$ 304
Sat 11/45:00 p.m.
BUF
-
SJU
1 stop6h 15m
Southwest
Wed 15/42:00 p.m.
SJU
-
BUF
1 stop7h 45m
Southwest
Deal found 21/2C$ 317
Wed 6/511:02 a.m.
BUF
-
SJU
2 stops12h 48m
United Airlines
Mon 11/51:00 a.m.
SJU
-
BUF
2 stops8h 53m
United Airlines
Deal found 23/2C$ 334
Fri 10/410:55 a.m.
BUF
-
SJU
1 stop13h 00m
Southwest
Fri 24/45:35 a.m.
SJU
-
BUF
1 stop6h 25m
Southwest
Deal found 23/2C$ 339
Sat 2/512:09 p.m.
BUF
-
SJU
1 stop11h 04m
Delta
Mon 11/52:25 p.m.
SJU
-
BUF
1 stop9h 34m
Delta
Deal found 24/2C$ 342
Wed 22/412:09 p.m.
BUF
-
SJU
1 stop11h 03m
Delta
Fri 1/55:42 p.m.
SJU
-
BUF
1 stop7h 08m
Delta
Deal found 21/2C$ 353
Mon 2/36:00 a.m.
BUF
-
SJU
2 stops14h 00m
United Airlines
Tue 3/32:05 a.m.
SJU
-
BUF
1 stop9h 13m
United Airlines
Deal found 23/2C$ 356
Fri 10/410:55 a.m.
BUF
-
SJU
1 stop13h 00m
Southwest
Wed 15/42:00 p.m.
SJU
-
BUF
1 stop7h 45m
Southwest
Deal found 22/2C$ 360
Tue 28/41:34 p.m.
BUF
-
SJU
1 stop7h 17m
American Airlines
Tue 5/55:45 a.m.
SJU
-
BUF
2 stops10h 47m
American Airlines
Deal found 22/2C$ 367
Wed 2/121:15 p.m.
BUF
-
SJU
1 stop9h 40m
Delta
Tue 8/121:55 p.m.
SJU
-
BUF
1 stop11h 00m
Delta
Deal found 21/2C$ 368
Tue 14/45:30 a.m.
BUF
-
SJU
2 stops12h 40m
American Airlines
Tue 21/45:45 a.m.
SJU
-
BUF
2 stops10h 47m
American Airlines
Deal found 23/2C$ 369
Fri 1/55:20 p.m.
BUF
-
SJU
1 stop6h 20m
Southwest
Tue 12/511:25 a.m.
SJU
-
BUF
2 stops10h 50m
Southwest
Deal found 24/2C$ 373

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 24 February 2026.

Round-trip from

C$ 304

One-way from

C$ 131

Popular in

December

Cheapest in

September

Average price

C$ 525

Good round-trip deal

C$ 474 or less
Delta
  • Delta
  • 14/4-22/4
  • 2 total stops
  • 17h 53m total
  • Buffalo to Puerto Rico
Search Deals
Frontier
  • Frontier
  • 7/4
  • 1 total stop
  • 11h 50m total
  • Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 24 February 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

Tue 28/4

12:09 p.m.-11:13 p.m.

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Tue 5/5

5:42 p.m.-12:50 a.m.

1 stop7h 08m

C$ 304

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 14/5

12:18 p.m.-10:17 p.m.

1 stop9h 59m

San Juan Luis Munoz Marin Intl

Tue 19/5

7:05 a.m.-3:02 p.m.

1 stop7h 57m

C$ 342

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 7/7

12:45 p.m.-10:45 p.m.

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Tue 14/7

10:00 a.m.-7:55 p.m.

1 stop9h 55m

C$ 360

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 16/5

7:20 a.m.-11:14 a.m.

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Mon 18/5

6:15 p.m.-11:04 p.m.

Nonstop4h 49m

C$ 404

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 13/5

7:20 a.m.-11:14 a.m.

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Mon 18/5

6:15 p.m.-11:04 p.m.

Nonstop4h 49m

C$ 404

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 1/6

12:10 p.m.-10:17 p.m.

1 stop10h 07m

San Juan Luis Munoz Marin Intl

Sat 6/6

6:15 a.m.-4:00 p.m.

1 stop9h 45m

C$ 408

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 13/5

1:10 p.m.-11:40 p.m.

2 stops10h 30m

San Juan Luis Munoz Marin Intl

Mon 18/5

8:40 p.m.-9:00 a.m.

1 stop12h 20m

C$ 473

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 26/4

6:00 a.m.-4:23 p.m.

1 stop10h 23m

C$ 141

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 3/3

7:00 a.m.-10:22 p.m.

2 stops14h 22m

C$ 152

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 24/3

4:53 p.m.-11:15 p.m.

1 stop6h 22m

C$ 152

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/2

Showing 1-10 of 17 results
1
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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 C$ 176). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 342). 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 24 February 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
8.0
Very good
4,300 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
Southwest
8.0
Very good
4,300 reviews
Southwest
8.0
Very good
4,300 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
Delta
7.9
Good
8,239 reviews
Southwest
8.0
Very good
4,300 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
American Airlines
7.2
Good
11,344 reviews
Southwest
8.0
Very good
4,300 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
JetBlue
7.2
Good
2,900 reviews
Southwest
8.0
Very good
4,300 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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
Frontier
5.7
Fair
3,043 reviews
Southwest
8.0
Very good
4,300 reviews
Check prices

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

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?

    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$ 404, Delta can have you in Puerto Rico from Buffalo in 3h 54m. 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$ 360. On average you can expect to pay C$ 527. The most popular route, (Buffalo - San Juan Luis Munoz Marin Intl), can usually be booked for C$ 304.

  • 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 C$ 176). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 342). 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 24 February 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 164AverageC$ 421FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 199AverageC$ 483FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FrontierCheapestC$ 235AverageC$ 512FlexibilityNo cancel feeOn-time62%
Search Frontier flights
SouthwestCheapestC$ 308AverageC$ 662FlexibilityNo cancel feeOn-time63%
Search Southwest flights
JetBlueCheapestC$ 310AverageC$ 494FlexibilityNo cancel feeOn-time62%
Search JetBlue 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.

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