Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Buffalo to Puerto Rico from C$ 148

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
3 Jan — 10 Jan1
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 4 December 2025.

Sun 14/125:45 p.m.BUF - SJU
1 stop6h 40mSouthwest
Wed 17/128:55 a.m.SJU - BUF
1 stop7h 05mSouthwest
Deal found 4/12C$ 363
Wed 10/126:12 a.m.BUF - SJU
1 stop6h 47mDelta
Wed 17/123:32 p.m.SJU - BUF
1 stop9h 27mDelta
Deal found 3/12C$ 381
Tue 9/1212:35 p.m.BUF - SJU
2 stops11h 00mSouthwest
Fri 12/125:55 p.m.SJU - BUF
1 stop6h 45mSouthwest
Deal found 2/12C$ 385
Wed 10/1212:10 p.m.BUF - SJU
1 stop11h 25mSouthwest
Thu 11/125:45 a.m.SJU - BUF
2 stops9h 35mSouthwest
Deal found 4/12C$ 394
Wed 10/126:00 a.m.BUF - SJU
2 stops14h 26mUnited Airlines
Wed 17/127:45 a.m.SJU - BUF
2 stops16h 49mUnited Airlines
Deal found 3/12C$ 409
Mon 8/127:00 a.m.BUF - SJU
1 stop13h 30mSouthwest
Wed 14/12:35 p.m.SJU - BUF
1 stop6h 55mSouthwest
Deal found 3/12C$ 420
Sun 7/1212:40 p.m.BUF - SJU
1 stop10h 55mSouthwest
Thu 11/125:45 a.m.SJU - BUF
2 stops9h 35mSouthwest
Deal found 2/12C$ 423
Thu 4/126:12 a.m.BUF - SJU
1 stop6h 47mDelta
Thu 11/121:55 p.m.SJU - BUF
1 stop11h 04mDelta
Deal found 3/12C$ 428
Fri 5/126:12 a.m.BUF - SJU
1 stop6h 47mDelta
Sat 13/126:35 p.m.SJU - BUF
1 stop6h 41mDelta
Deal found 2/12C$ 445
Thu 11/1212:10 p.m.BUF - SJU
1 stop11h 25mSouthwest
Tue 16/125:45 a.m.SJU - BUF
2 stops9h 35mSouthwest
Deal found 3/12C$ 452

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 4 December 2025.

Round-trip from

C$ 353

One-way from

C$ 148

Popular in

December

Cheapest in

September

Average price

C$ 738
JetBlue
  • JetBlue
  • 10/3-19/3
  • 2 total stops
  • 14h 49m total
  • Buffalo to Puerto Rico
Search Deals
Delta
  • Delta
  • 10/12
  • 1 total stop
  • 10h 28m total
  • Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 4 December 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

Mon 2/3

7:30 p.m.-3:50 a.m.

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Wed 25/3

5:10 a.m.-12:34 p.m.

1 stop7h 24m

C$ 353

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 4/3

3:05 p.m.-11:49 p.m.

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Wed 11/3

10:59 p.m.-9:04 a.m.

1 stop10h 05m

C$ 353

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 14/12

5:45 p.m.-1:25 a.m.

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Wed 17/12

8:55 a.m.-3:00 p.m.

1 stop7h 05m

C$ 363

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 3/2

8:45 a.m.-7:05 p.m.

2 stops9h 20m

San Juan Luis Munoz Marin Intl

Sat 7/2

5:30 a.m.-11:55 a.m.

1 stop7h 25m

C$ 375

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 2/2

8:45 a.m.-7:05 p.m.

2 stops9h 20m

San Juan Luis Munoz Marin Intl

Mon 9/2

5:35 a.m.-12:05 p.m.

1 stop7h 30m

C$ 375

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 4/4

7:26 p.m.-2:55 a.m.

1 stop7h 29m

San Juan Luis Munoz Marin Intl

Sat 11/4

6:20 p.m.-10:45 p.m.

Nonstop4h 25m

C$ 388

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 3/2

10:45 a.m.-12:36 a.m.

2 stops12h 51m

San Juan Luis Munoz Marin Intl

Fri 6/2

2:05 a.m.-1:24 p.m.

2 stops12h 19m

C$ 394

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 25/1

2:49 p.m.-10:22 p.m.

1 stop6h 33m

San Juan Luis Munoz Marin Intl

Wed 28/1

2:05 a.m.-1:24 p.m.

2 stops12h 19m

C$ 399

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 3/4

12:50 p.m.-8:20 p.m.

1 stop7h 30m

San Juan Luis Munoz Marin Intl

Fri 10/4

5:00 p.m.-11:51 p.m.

1 stop6h 51m

C$ 402

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 11/3

6:00 a.m.-1:40 p.m.

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Tue 17/3

1:05 a.m.-2:14 p.m.

2 stops13h 09m

C$ 405

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 21 results
1
2
3

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, February is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 186). Flying from Buffalo to Puerto Rico in June is currently the most expensive (average of C$ 345). 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 4 December 2025.

When flying from Buffalo to Puerto Rico, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 53% versus a flight in the evening.

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 4 December 2025.
Read reviews from past customers who have flown Southwest,Delta, 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
4,250 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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
4,250 reviews
Southwest
8.0
Very good
4,250 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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
8,011 reviews
Southwest
8.0
Very good
4,250 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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
2,899 reviews
Southwest
8.0
Very good
4,250 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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
5.8
Fair
3,090 reviews
Southwest
8.0
Very good
4,250 reviews
Check prices

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

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$ 363, JetBlue can have you in Puerto Rico from Buffalo in 6h 40m. 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.

  • 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, February is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 186). Flying from Buffalo to Puerto Rico in June is currently the most expensive (average of C$ 345). 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 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 167AverageC$ 632FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FrontierCheapestC$ 234AverageC$ 382FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 391AverageC$ 582FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
SouthwestCheapestC$ 396AverageC$ 690FlexibilityNo 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.