Cheap flights from Buffalo (BUF) to San Juan (SJU)

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The best prices from Buffalo to San Juan are usually found in August or July, booked 19 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

How to find the cheapest flight from
Buffalo (BUF) to San Juan (SJU)

All the information you need to plan the best BUF to SJU flight in 2021: compare Buffalo to San Juan flight prices with the expected peak season, weather and rainfall in San Juan.
BUF - PR1
Price
$299 - $562
PR1
Temperature
82.4 - 89.6 °F
PR1
Rainfall
1.3 - 5.8 inches

Popular in

December

High demand for flights, 38% potential price rise

Cheapest in

August

Best time to find cheap flights, 15% potential price drop

Round-trip from

$299

From Buffalo to San Juan

One-way from

$166

One-way flight from Buffalo to San Juan

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Buffalo to San Juan?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Juan. Check prices with Cheapflights to find a great deal for your trip.

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

To save on the cost of your flight from Buffalo to San Juan, book at least 19 days before your planned departure. Booking around this time can save you about 7% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $262 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $281.

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

August can be a great time to fly to San Juan from Buffalo with a flight ticket averaging about $313. Cheapflights users have found deals in the month of August for as cheap as $121. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Buffalo to San Juan (BUF - PR1)?

One of the essential ways to save on airfare from Buffalo to San Juan is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 7% on airfare.

Cheap flights from Buffalo to San Juan in May, June 2021

The best prices found for BUF to SJU flights for May, June
5 Jun - 11 Jun
$256pp
BUF
Buffalo
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
BUF
Buffalo
15 May - 18 May
$263pp
BUF
Buffalo
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
   
2 STOPS
BUF
Buffalo
9 Jun - 15 Jun
$266pp
BUF
Buffalo
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
BUF
Buffalo

Buffalo to San Juan 2021 flight deals

Cheap flights to San Juan from Buffalo found for this year
5 Jun - 11 Jun
$256pp
BUF
Buffalo
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
BUF
Buffalo
15 May - 18 May
$263pp
BUF
Buffalo
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
   
2 STOPS
BUF
Buffalo
9 Jun - 15 Jun
$266pp
BUF
Buffalo
Frontier
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Frontier
 
1 STOP
BUF
Buffalo

Last minute flights from Buffalo to San Juan

Late deals on round-trip flights to San Juan from Buffalo, departing today and this week
21 May - 24 May
$378pp
BUF
Buffalo
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
 
1 STOP
BUF
Buffalo
21 May - 24 May
$388pp
BUF
Buffalo
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
     
3 STOPS
BUF
Buffalo
21 May - 25 May
$416pp
BUF
Buffalo
Multiple Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Multiple Airlines
   
2 STOPS
BUF
Buffalo

One-way flights to San Juan from Buffalo

The cheapest one-way flights from Buffalo to San Juan
5:16 am - 12:12 pm
JetBlue
1 Stop
6h 56m
BUF - SJU
JetBlue
1:03 am - 7:17 am
American Airlines
1 Stop
6h 14m
BUF - SJU
American Airlines
8:10 am - 10:19 pm
Frontier
1 Stop
14h 09m
BUF - SJU
Frontier
$198
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Buffalo</span> to <span class="emphasized">San Juan</span> flights.

Flight FAQs

From Buffalo to San Juan

Are flight prices decreasing from Buffalo to San Juan due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Buffalo and San Juan for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Buffalo to San Juan have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like JetBlue, Delta, and American Airlines flying from Buffalo to San Juan have implemented new flexible cancellation policies.

What airport do you fly from for flights from Buffalo to San Juan?

Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to San Juan. You should not have trouble finding flights to San Juan from Buffalo; the airport handles an average of 0 outbound flights to San Juan per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Buffalo airport to San Juan. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.

Can I find flights from Buffalo to San Juan for under $300 on Cheapflights?

Yes, there are multiple flights from Buffalo to San Juan for under $300. The cheapest flight booked recently is on Frontier for just $256, but on average you can expect to pay $309.

Are there nonstop flights from Buffalo to San Juan for under $300 on Cheapflights?

There are no nonstop flights from Buffalo to San Juan, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Buffalo to San Juan for under $400?

There are currently 20+ open flights from Buffalo to San Juan within the next 7 days for less than $400.

Is Buffalo weather warmer or cooler than San Juan?

We forecast the temperature to be around the 90 °F's in June, on average. The temperature in San Juan is generally hotter than in Buffalo. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Buffalo to San Juan?

For as low as $338, United Airlines can have you in San Juan from Buffalo in 6h 33m. Both multi-stop and nonstop flights can be found to your destination and back.

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

Our cheapest airline available from Buffalo to San Juan is Frontier. Our recent data shows that you can find tickets from as low as $256 on this airline. An additional option worth looking into is United Airlines, starting at $301. You may be able to fly from Buffalo to San Juan for 26% less than the average price by searching for these airlines.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $128. Users have also found prices from $148 and $166 on Frontier and United Airlines, respectively.

Alternative routes for Buffalo to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Juan

Things to know before you go - useful duration and weather info for your trip from Buffalo to San Juan.
Today's exchange rate
$1 = $1.00
Average temperature for May in San Juan
87.8 °F
Avg rainfall for May in San Juan
3.6 ″

Airports servicing Buffalo

Airports servicing San Juan

San Juan Isla Grande (SIG)

Top 5 airlines flying from Buffalo to San Juan

The chart below displays the airlines Cheapflights users traveling from Buffalo to San Juan choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
$144 $343 No cancel fee N/A
Frontier
$173 $343 No cancel fee 62%
United Airlines
$144 $377 No cancel fee 69%
American Airlines
$154 $395 No cancel fee 71%
JetBlue
$180 $476 No cancel fee 62%

Hourly flight availability from Buffalo to San Juan

See what time of day planes typically take off from Buffalo towards San Juan.
Morning 6 AM to noon 100% of BUF to SJU departures
Early morning Midnight to 6 AM 0% of BUF to SJU departures
Afternoon Noon to 6 PM 0% of BUF to SJU departures
Evening 6 PM to midnight 0% of BUF to SJU departures
Midnight
6 AM
Noon
6 PM
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