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Cheap flights from Buffalo to Puerto Rico from C$ 160

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
17 Jan — 24 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 18 December 2025.

Tue 16/127:00 a.m.BUF - SJU
2 stops13h 26mUnited Airlines
Wed 24/127:45 a.m.SJU - BUF
2 stops16h 48mUnited Airlines
Deal found 16/12C$ 423
Tue 16/1212:35 p.m.BUF - SJU
1 stop9h 45mSouthwest
Wed 24/124:30 p.m.SJU - BUF
1 stop6h 30mSouthwest
Deal found 16/12C$ 546
Tue 23/126:00 a.m.BUF - SJU
1 stop8h 10mJetBlue
Sun 28/121:59 a.m.SJU - BUF
1 stop9h 36mJetBlue
Deal found 17/12C$ 608
Mon 22/1210:43 a.m.BUF - SJU
1 stop8h 44mFrontier
Mon 29/1210:33 a.m.SJU - BUF
1 stop11h 35mFrontier
Deal found 18/12C$ 612
Thu 18/126:30 a.m.BUF - SJU
2 stops12h 39mUnited Airlines
Fri 19/127:45 a.m.SJU - BUF
2 stops14h 09mUnited Airlines
Deal found 17/12C$ 628
Thu 18/126:30 a.m.BUF - SJU
2 stops12h 39mUnited Airlines
Sat 20/128:10 a.m.SJU - BUF
1 stop9h 44mUnited Airlines
Deal found 17/12C$ 632
Thu 18/125:35 p.m.BUF - SJU
2 stops11h 36mUnited Airlines
Wed 24/128:10 a.m.SJU - BUF
1 stop9h 44mUnited Airlines
Deal found 16/12C$ 701
Tue 23/126:10 a.m.BUF - SJU
1 stop7h 23mDelta
Mon 29/124:48 p.m.SJU - BUF
1 stop7h 40mDelta
Deal found 16/12C$ 716
Wed 31/121:55 p.m.BUF - SJU
1 stop6h 41mJetBlue
Thu 8/16:01 a.m.SJU - BUF
1 stop8h 11mJetBlue
Deal found 16/12C$ 767
Wed 31/121:55 p.m.BUF - SJU
1 stop6h 41mJetBlue
Fri 9/16:01 a.m.SJU - BUF
1 stop8h 11mJetBlue
Deal found 16/12C$ 769

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 18 December 2025.

Round-trip from

C$ 314

One-way from

C$ 160

Popular in

December

Cheapest in

September

Average price

C$ 744
JetBlue
  • JetBlue
  • 4/4-10/4
  • 1 total stop
  • 11h 40m total
  • Buffalo to Puerto Rico
Search Deals
American Airlines
  • American Airlines
  • 10/3
  • 2 total stops
  • 11h 19m total
  • Buffalo to Puerto Rico
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 57 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 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 18 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

Sat 4/4

6:00 a.m.-1:15 p.m.

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Fri 10/4

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

Nonstop4h 25m

C$ 314

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 3/2

10:25 a.m.-6:02 p.m.

1 stop6h 37m

San Juan Luis Munoz Marin Intl

Tue 10/2

1:00 p.m.-6:49 p.m.

1 stop6h 49m

C$ 331

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 1/3

12:14 p.m.-11:58 p.m.

1 stop10h 44m

San Juan Luis Munoz Marin Intl

Wed 11/3

7:30 a.m.-3:59 p.m.

1 stop8h 29m

C$ 335

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 2/3

6:00 a.m.-5:17 p.m.

1 stop10h 17m

San Juan Luis Munoz Marin Intl

Wed 4/3

7:00 a.m.-2:56 p.m.

1 stop8h 56m

C$ 335

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

Tue 10/3

10:59 p.m.-9:27 a.m.

1 stop10h 28m

C$ 340

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 4/3

11:59 p.m.-9:28 a.m.

1 stop10h 29m

C$ 340

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 7/2

12:29 p.m.-11:59 p.m.

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Sun 15/2

3:53 a.m.-10:07 a.m.

1 stop7h 14m

C$ 343

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

Thu 12/3

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

1 stop7h 24m

C$ 349

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 10/3

11:15 a.m.-10:34 p.m.

2 stops11h 19m

C$ 160

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 19/1

3:25 p.m.-11:48 p.m.

1 stop7h 23m

C$ 165

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 18 results
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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, February is the cheapest month in which you can book a flight from Buffalo to Puerto Rico (average of C$ 183). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 360). 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 18 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 18 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
7.9
Good
4,249 reviews
Check prices

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

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
7.9
Good
4,249 reviews
Southwest
7.9
Good
4,249 reviews
Check prices

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

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
8,006 reviews
Southwest
7.9
Good
4,249 reviews
Check prices

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

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
2,895 reviews
Southwest
7.9
Good
4,249 reviews
Check prices

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

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
3,082 reviews
Southwest
7.9
Good
4,249 reviews
Check prices

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

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$ 314, JetBlue can have you in Puerto Rico from Buffalo in 7h 15m. 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$ 183). Flying from Buffalo to Puerto Rico in December is currently the most expensive (average of C$ 360). 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 165AverageC$ 624FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FrontierCheapestC$ 231AverageC$ 377FlexibilityNo cancel feeOn-time62%
Search Frontier flights
SouthwestCheapestC$ 310AverageC$ 688FlexibilityNo cancel feeOn-time63%
Search Southwest flights
JetBlueCheapestC$ 387AverageC$ 511FlexibilityNo 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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