BUF - SJU

$93 Find Cheap Flights from Buffalo to San Juan - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Buffalo to San Juan departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$186
Typical prices: $261-$413
Frontier
Thu 9/10Sun 9/13
BUF - SJU • 1 stop
Cheapest non-stop
$253
Typical prices: $335-$410
JetBlue
Sat 9/5Sat 9/12
BUF - SJU • Non-stop
Nonstop flights
4 days a week
Mon, Wed, Fri, Sat
You can fly direct with JetBlue. Average duration is 4h 38m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Atlanta (ATL)
Cheapest • Avg $289 (round-trip)
Washington, D.C. (IAD)
Shortest trip • 6h 21m (one-way)
Insights
Insights
Insights
Insights
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 17% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
March
Cheapest • 12% price drop
March
Most popular
Good to know
Good to know
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We hope you love your trip to San Juan!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Buffalo to San Juan (BUF-SJU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Buffalo to San Juan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Buffalo to San Juan

Thu, Sep 10 - Sun, Sep 13
Frontier Logo
12:49 pm - 1:52 amBUF  Buffalo-SJU San Juan Luis Munoz Marin Intl
13h 03m1 stop Orlando
Frontier Logo
7:00 am - 5:45 pmSJU  San Juan Luis Munoz Marin Intl-BUF Buffalo
10h 45m1 stop Orlando
$186Frontier
Thu, Sep 10 - Tue, Sep 15
Frontier Logo
12:49 pm - 11:13 pmBUF  Buffalo-SJU San Juan Luis Munoz Marin Intl
10h 24m1 stop Orlando
Frontier Logo
10:42 am - 5:49 pmSJU  San Juan Luis Munoz Marin Intl-BUF Buffalo
7h 07m1 stop Orlando
$186Frontier
Fri, Oct 23 - Wed, Oct 28
American Airlines Logo
7:53 pm - 11:20 amBUF  Buffalo-SJU San Juan Luis Munoz Marin Intl
15h 27m1 stop Charlotte Douglas
American Airlines Logo
10:36 am - 10:24 pmSJU  San Juan Luis Munoz Marin Intl-BUF Buffalo
11h 48m2 stops Miami New York LaGuardia
$210American Airlines
Fri, Sep 11 - Thu, Sep 17
American Airlines Logo
5:44 pm - 9:24 amBUF  Buffalo-SJU San Juan Luis Munoz Marin Intl
15h 40m2 stops Washington, D.C. Reagan-National Miami
American Airlines Logo
6:00 am - 4:21 pmSJU  San Juan Luis Munoz Marin Intl-BUF Buffalo
10h 21m2 stops Miami Boston Logan Intl
$210American Airlines
Sat, Sep 5 - Sat, Sep 12
Southwest Logo
3:30 pm - 10:00 pmBUF  Buffalo-SJU San Juan Luis Munoz Marin Intl
6h 30m1 stop Baltimore/Washington
Southwest Logo
6:25 am - 4:45 pmSJU  San Juan Luis Munoz Marin Intl-BUF Buffalo
10h 20m1 stop Orlando
$225Southwest
Sat, Sep 19 - Tue, Sep 22
Multiple Airlines Logo
11:05 am - 3:46 pmBUF  Buffalo-SJU San Juan Luis Munoz Marin Intl
4h 41mnonstop
Multiple Airlines Logo
10:42 am - 5:49 pmSJU  San Juan Luis Munoz Marin Intl-BUF Buffalo
7h 07m1 stop Orlando
$241Multiple Airlines
Thu, Sep 17 - Mon, Sep 21
Southwest Logo
1:40 pm - 11:10 pmBUF  Buffalo-SJU San Juan Luis Munoz Marin Intl
9h 30m1 stop Tampa
Southwest Logo
5:30 am - 6:25 pmSJU  San Juan Luis Munoz Marin Intl-BUF Buffalo
12h 55m1 stop Baltimore/Washington
$247Southwest
Wed, Oct 21 - Sat, Oct 24
JetBlue Logo
8:00 am - 12:39 pmBUF  Buffalo-SJU San Juan Luis Munoz Marin Intl
4h 39mnonstop
JetBlue Logo
6:15 pm - 10:50 pmSJU  San Juan Luis Munoz Marin Intl-BUF Buffalo
4h 35mnonstop
$253JetBlue
Sat, Sep 5 - Sat, Sep 12
JetBlue Logo
7:00 am - 11:40 amBUF  Buffalo-SJU San Juan Luis Munoz Marin Intl
4h 40mnonstop
JetBlue Logo
1:15 pm - 5:49 pmSJU  San Juan Luis Munoz Marin Intl-BUF Buffalo
4h 34mnonstop
$253JetBlue
Wed, Sep 23 - Mon, Sep 28
Multiple Airlines Logo
7:15 am - 3:27 pmBUF  Buffalo-SJU San Juan Luis Munoz Marin Intl
8h 12m1 stop Orlando
Multiple Airlines Logo
3:55 pm - 5:49 pmSJU  San Juan Luis Munoz Marin Intl-BUF Buffalo
25h 54m1 stop Orlando
$274Multiple Airlines
Booking Insights

KAYAK's insights & trends for Buffalo to San Juan flights

Get data-powered insights and trends into flights from Buffalo to San Juan to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Buffalo to San Juan Luis Munoz Marin Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport departing in September.

Flight prices are below average for this route right now.

Flights to San Juan Luis Munoz Marin Intl Airport from Buffalo usually cost between $328 and $431 in September.
The lowest price found in the past 5 days was $186 on Frontier (Sep 10-Sep 15).

What’s the cheapest day of the week to fly from Buffalo to San Juan?

The average price of all round-trip flights from Buffalo to San Juan Luis Munoz Marin Intl Airport clicked on KAYAK for each day over the last 12 months.

For Buffalo to San Juan, Friday is the cheapest day to fly on average and Saturday is the most expensive. Flying from San Juan back to Buffalo, the best deals are generally found on Wednesday, with Monday being the most expensive.

What is the cheapest month to fly from Buffalo to San Juan Luis Munoz Marin Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Buffalo to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Buffalo to San Juan Luis Munoz Marin Intl Airport is March, where tickets cost $339 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $590 and $421 respectively.

Can I save money by flying with a layover from Buffalo to San Juan Luis Munoz Marin Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $364 on average.

How far in advance should I book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Buffalo to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Buffalo to San Juan Luis Munoz Marin Intl Airport, you should book around 3 weeks before departure, which saves you about 17% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Find deals

Good to know

Low season

October

Cheapest flight

$93
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Buffalo to San Juan

When to book flights from Buffalo to San Juan

Are your dates flexible? Find out the best times to travel from Buffalo to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Buffalo to San Juan flights

  • How many flights are there between Buffalo and San Juan Luis Munoz Marin Intl Airport per day?

    There is a maximum of 1 nonstop flight a day that takes off from Buffalo and lands in San Juan Luis Munoz Marin Intl Airport, with an average flight time of 4h 38m. The most common departure time is 6:00 am and most flights take off in the morning. Each week, there are 4 flights.

  • What is the cheapest flight from Buffalo to San Juan Luis Munoz Marin Intl Airport?

    In the last 5 days, the lowest price for a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport was $93 for a one-way ticket and $186 for a round-trip.

  • Do I need a passport to fly between Buffalo and San Juan?

    Yes

  • Which airports will I be using when flying from Buffalo to San Juan?

    Buffalo airport is called Buffalo and the only airport in San Juan is San Juan Luis Munoz Marin Intl.

  • Which airlines offer Wi-Fi service onboard planes from Buffalo to San Juan?

    Only JetBlue offers inflight Wi-Fi service on the Buffalo to San Juan flight route.

  • Which aircraft models fly most regularly from Buffalo to San Juan?

    The Airbus A320-100/200 is the aircraft model that flies most regularly on the Buffalo to San Juan flight route.

  • Which airline alliances offer flights from Buffalo to San Juan?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Buffalo and San Juan, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Buffalo to San Juan?

    You can catch a nonstop flight from Buffalo to San Juan on Monday, Wednesday, Friday, and Saturday.

  • Which is the best airline for flights from Buffalo to San Juan, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Buffalo to San Juan are Southwest and Delta. With an average price for the route of $417 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $319 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Buffalo to San Juan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Buffalo to San Juan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Buffalo to San Juan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Buffalo is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Buffalo to San Juan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to Buffalo with another airline. Booking your flights between Buffalo and SJU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Buffalo to San Juan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Buffalo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Buffalo to San Juan Luis Munoz Marin Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $200 or less one-way and $417 or less round-trip.

Prefer to fly direct from Buffalo to San Juan?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Buffalo to San Juan Luis Munoz Marin Intl.
Find which airlines fly direct from Buffalo Airport to San Juan Luis Munoz Marin Intl Airport, which days they fly and book direct flights.

Direct departures

Buffalo to San Juan Luis Munoz Marin Intl

Monday

JetBlue

JetBlue

Wednesday

JetBlue

JetBlue

Friday

JetBlue

JetBlue

Saturday

JetBlue

JetBlue

See more direct flights

Direct returns

San Juan Luis Munoz Marin Intl to Buffalo

Monday

JetBlue

JetBlue

Wednesday

JetBlue

JetBlue

Friday

JetBlue

JetBlue

Saturday

JetBlue

JetBlue

See more direct flights

Everything you need to know for your flight from Buffalo to San Juan

Information on your arrival and departure airports

Buffalo (BUF)
Luis Munoz Marin Intl (SJU)