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$121+ Cheap flights from San Juan to Buffalo (BUF)

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUF
abr. 1 — abr. 81
mar. 4/1
mar. 4/8
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan to Buffalo are usually found in September or February, booked 15 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from San Juan to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated marzo 27, 2025.

Round-trip from

$297
(JetBlue)

One-way from

$121
(Delta)

Popular in

July

Cheapest in

September

Average price

$338
From San Juan to Buffalo
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One-way flight from San Juan to Buffalo
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Highest demand for flights based on searches. 11% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from San Juan to Buffalo

Cheapest flights from San Juan to Buffalo
Explore the most affordable flight options available from San Juan to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 27, 2025.

This Frontier deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/22:45 amSJU - BUF
1 stop13h 52mFrontier
dom. 4/65:32 pmBUF - SJU
1 stop8h 37mFrontier
Deal found 3/26$296
This JetBlue deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/159:35 pmSJU - BUF
1 stop10h 30mJetBlue
mar. 4/2211:29 amBUF - SJU
1 stop9h 16mJetBlue
Deal found 3/25$297
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/255:30 amSJU - BUF
1 stop17h 11mAmerican Airlines
lun. 4/286:10 amBUF - SJU
1 stop14h 18mAmerican Airlines
Deal found 3/26$317
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/107:30 amSJU - BUF
1 stop10h 59mDelta
mar. 6/2412:09 pmBUF - SJU
1 stop10h 42mDelta
Deal found 3/26$319
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/247:45 amSJU - BUF
1 stop9h 10mUnited Airlines
mar. 4/296:00 amBUF - SJU
1 stop6h 34mUnited Airlines
Deal found 3/26$331
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/105:30 amSJU - BUF
2 stops10h 35mSouthwest
mar. 6/242:05 pmBUF - SJU
2 stops9h 50mSouthwest
Deal found 3/26$476

Cheapflights Fare Finder

Customize your flight search to find flights from San Juan to Buffalo 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 2,558,603 searches. Data last updated marzo 27, 2025.
Use the filters below to find and compare flights from San Juan to Buffalo that are best for you.

Fly from

San Juan

Fly to

Buffalo

Route

Depart

Return

Price

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mar. 4/15

9:35 pm-8:05 am

1 stop10h 30m

Buffalo

mar. 4/22

11:29 am-8:45 pm

1 stop9h 16m

$297

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

sáb. 4/5

5:45 am-4:08 pm

1 stop10h 23m

Buffalo

dom. 4/13

5:32 pm-2:09 am

1 stop8h 37m

$306

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

vie. 4/25

5:30 am-10:41 pm

1 stop17h 11m

Buffalo

lun. 4/28

6:10 am-8:28 pm

1 stop14h 18m

$317

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mar. 6/10

7:30 am-6:29 pm

1 stop10h 59m

Buffalo

mar. 6/24

12:09 pm-10:51 pm

1 stop10h 42m

$319

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

jue. 4/24

7:45 am-4:55 pm

1 stop9h 10m

Buffalo

mar. 4/29

6:00 am-12:34 pm

1 stop6h 34m

$331

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mar. 6/10

5:30 am-4:05 pm

2 stops10h 35m

Buffalo

mar. 6/24

2:05 pm-11:55 pm

2 stops9h 50m

$476

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mié. 5/21

7:00 am-3:15 pm

1 stop8h 15m

$121

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mar. 4/22

3:56 am-9:02 am

1 stop29h 06m

$123

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mar. 4/15

12:58 am-10:37 am

1 stop9h 39m

$133

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

mar. 4/22

1:05 am-1:20 pm

2 stops12h 15m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 12 results
1
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Best time to book a flight from San Juan to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from San Juan 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 San Juan to Buffalo

How far ahead should I book a flight from San Juan to Buffalo?

Use this chart to determine the optimal time to book a round-trip flight from San Juan to Buffalo. Price data was last updated on March 21, 2025.

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan to Buffalo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Juan to Buffalo?

Currently, January is the cheapest month in which you can book a flight from San Juan to Buffalo (average of $256). Flying from San Juan to Buffalo in December is currently the most expensive (average of $337). 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 SJU to BUF?

Find hourly flight availability from San Juan to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 27, 2025.

When flying from San Juan to Buffalo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 22% versus a flight in the afternoon.

What is the cheapest day to fly from San Juan to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from San Juan to Buffalo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Juan to Buffalo flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated marzo 27, 2025.
Read through reviews of airlines operating flights from San Juan to Buffalo, such as Southwest, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,923 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from San Juan to Buffalo. 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 into for flights to Buffalo from San Juan?

    Most people fly into Buffalo (BUF) if they book a flight to Buffalo from San Juan. On average, Buffalo has 0 inbound flights from San Juan per day from 6 airlines. Buffalo is conveniently located just 8.3 mi from Buffalo’s city center.

  • What are the cheapest airlines flying from San Juan to Buffalo round-trip?

    JetBlue, at $297, was found to be the cheapest airline from San Juan to Buffalo.Alternate airlines to your destination round-trip include Frontier and American Airlines. JetBlue is currently priced 18% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Juan to Buffalo one-way?

    $121 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Frontier and JetBlue, with prices starting from $123 and $133, respectively.

  • Can I find deals for flights from San Juan to Buffalo that include hotel bookings?

    Yes. In addition to deals on San Juan to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to Buffalo.

  • Can I find deals for business class flights from San Juan to Buffalo?

    Yes. Cheapflights offers flight deals from San Juan to Buffalo 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 San Juan to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from San Juan to Buffalo (average of $256). Flying from San Juan to Buffalo in December is currently the most expensive (average of $337). 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

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
West Seneca
Williamsville
Amherst
Batavia
Orchard Park
Cheektowaga

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Alternative routes for San Juan to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from San Juan to Buffalo

Discover the top 6 airlines that operate flights from San Juan to Buffalo. 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 2,558,603 searches. Data last updated marzo 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$245FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$202Average$262FlexibilityNo cancel feeOn-time71%
DeltaCheapest$205Average$442FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$494FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$248Average$385FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$364Average$529FlexibilityNo cancel feeOn-time63%
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