$121 Find Cheap Flights from Puerto Rico to Buffalo

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Buffalo departing on 5/2. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Buffalo

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Buffalo, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Buffalo, as well as popular online travel agencies
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Cheap Flight Deals from Puerto Rico to Buffalo

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Puerto Rico to Buffalo 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.

Recent round-trip flight deals from Puerto Rico to Buffalo

KAYAK's recommended round-trip deals from the most popular airlines that fly from Puerto Rico to Buffalo.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Delta Logo
7:15 am - 5:40 pmSJU-BUF
10h 25m1 stop
Delta Logo
7:00 am - 4:27 pmBUF-SJU
9h 27m1 stop
$241Delta
Find Deal
Fri, May 2 - Mon, May 5
Delta Logo
6:35 am - 3:12 pmSJU-BUF
8h 37m1 stop
Delta Logo
7:00 am - 4:44 pmBUF-SJU
9h 44m1 stop
$261Delta
Find Deal
Tue, Apr 29 - Wed, May 7
United Airlines Logo
7:00 am - 11:44 pmSJU-BUF
16h 44m2 stops
United Airlines Logo
6:45 am - 2:44 pmBUF-SJU
7h 59m1 stop
$276United Airlines
Find Deal
Tue, Apr 29 - Tue, May 6
Frontier Logo
9:37 pm - 10:24 amSJU-BUF
12h 47m1 stop
Frontier Logo
4:03 pm - 12:48 amBUF-SJU
8h 45m1 stop
$298Frontier
Find Deal
Mon, Apr 14 - Thu, Apr 17
Frontier Logo
5:01 am - 1:48 pmSJU-BUF
8h 47m1 stop
Frontier Logo
2:48 pm - 12:54 amBUF-SJU
10h 06m1 stop
$306Frontier
Find Deal
Fri, Apr 11 - Mon, Apr 14
JetBlue Logo
12:58 am - 10:37 amSJU-BUF
9h 39m1 stop
JetBlue Logo
11:29 am - 7:34 pmBUF-SJU
8h 05m1 stop
$314JetBlue
Find Deal
Wed, Apr 23 - Tue, Apr 29
American Airlines Logo
6:21 am - 5:08 pmSJU-BUF
10h 47m2 stops
American Airlines Logo
1:08 pm - 10:30 pmBUF-SJU
9h 22m1 stop
$317American Airlines
Find Deal
Tue, Apr 29 - Wed, May 7
American Airlines Logo
7:15 am - 12:31 amSJU-BUF
17h 16m1 stop
American Airlines Logo
12:40 pm - 10:30 pmBUF-SJU
9h 50m2 stops
$321American Airlines
Find Deal
Fri, May 2 - Mon, May 5
United Airlines Logo
7:45 am - 6:47 pmSJU-BUF
11h 02m2 stops
United Airlines Logo
11:00 am - 11:57 pmBUF-SJU
12h 57m2 stops
$323United Airlines
Find Deal
Tue, Apr 29 - Tue, May 6
JetBlue Logo
12:58 am - 10:37 amSJU-BUF
9h 39m1 stop
JetBlue Logo
3:05 pm - 9:30 pmBUF-SJU
6h 25m1 stop
$333JetBlue
Find Deal
Mon, Apr 28 - Tue, May 6

KAYAK's insights & trends for flights to Buffalo

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

What is the cheapest day to fly to Buffalo?

The average price of all round-trip flights to Buffalo clicked on KAYAK for each day over the last 12 months.
Based on KAYAK data, the cheapest day to fly to Buffalo is Thursday where round-trip tickets can be as cheap as $317. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $410 on average.

What is the cheapest month to fly to Buffalo?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Buffalo, 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 to Buffalo is September, where tickets cost $284 on average for return flights. On the other hand, the most expensive months are July and June, where the average cost of tickets from Puerto Rico is $485 and $443 respectively. For one-way flights, the best month to travel is September with an average price of $284.

What is the cheapest time of day to fly to Buffalo?

The average price for all round-trip flights to Buffalo depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Buffalo is generally at night, when round-trip flights cost $327 on average. The most expensive time of day to fly to Buffalo is generally in the evening, which is peak travel time and where the average cost of a ticket is $412.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Buffalo, 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, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low season

February

High season

December

Cheapest flight

$121
Best time to beat the crowds with an average 42% drop in price.
Most popular time to fly with an average 67% increase in price.
Flight from San Juan to Buffalo

FAQs - booking Buffalo flights

  • How far is Buffalo Airport from central Buffalo?

    You’ll need to travel 8 miles to reach the Buffalo city center from Buffalo Airport.

  • What is the name of Buffalo’s airport?

    When flying to Buffalo, you'll arrive at Buffalo Airport (BUF). The airport is also known as Buffalo or Buffalo Niagara Intl.

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

    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 to Buffalo.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to 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 to Buffalo?

    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 Buffalo with an airline and back with another airline.

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

    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 Buffalo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to Buffalo are there each week?

    Each week there are around 617 direct flights from within Puerto Rico to Buffalo. The most common day for departures is Monday, with 16% of flights taking off on this day.

See more FAQs

Top tips for finding cheap flights to Buffalo

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Buffalo flight deals.

Top 5 airlines serving from Puerto Rico to Buffalo

 
See real verified KAYAK customer reviews for airlines flying to Buffalo. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Puerto Rico to Buffalo. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Buffalo? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 7898 reviews
8.5Crew
7.9Entertainment
7.9Comfort
7.3Food
8.2Boarding
Airline reviews

third trip overseas with delta recently where the TV did not work- not acceptable for a 8 hour flight! your food really has declined crew great and I am loyal to delta

8.0 ExcellentHolly, Mar 2025BCN - JFK
Read more Delta reviews

third trip overseas with delta recently where the TV did not work- not acceptable for a 8 hour flight! your food really has declined crew great and I am loyal to delta

The plane was old with small storage areas that had problems closing/latching and not enough storage for everyone, and worn, damaged seats. Service was great but feel a little unsafe on such well used planes.

Great staff. Wifi is terrible. Signing up for skylines is a painstaking process. Had to call customer service just to get my flight itinerary and confirmation sent to me. Consistent delays. A well staffed company that is run so poorly. Upper management needs to be renewed.

Boarding is, as it always is… horrible. Gate lice. Slow moving zones. Too many people with carry ons

Everything was ok!! Just bags came up a little be late.

Tasty snacks. On-time departure and early arrival. Luggage arrived quickly at the carrousel. The only negative was a man behind us that was heavily inebriated. He was served 3 double drinks during the flight. There was no telling how much he had before the flight. He was so out of it that he spilled a drink and broke the heavy liquor glass on the floor. I don't believe he should have been served so much alcohol on a two-hour flight.

It was terrible, I sat next to a person with a cat, I'm allergic to animal dander, my discomfort was extreme

I sat in comfort plus. It was fine. Seats were comfortable. I got drinks and snacks.

Good and consistent Printer in lounge did not work for me :(

Flight heavily delayed. No food available despite purchasing an upgrade. No in cabin service.

The gate was too far away for the connecting flight

Plane temperature was comfortable (not to hot) when boarding and waiting for takeoff.

Compared with other carriers business class for an overnight was not worth the extra expense.

Generally good. The aisles have gotten narrower which can slow down boarding. Flight crew was great! Healthier complimentary snacks would be appreciated. Due to earthquake in San Francisco we had to circle in air space for a bit but then had a smooth landing. I laud the flight crew for their patience ;)

Easy to board. Flight was super crowded though so I didn't sleep well on that cross country red-eye flight. The aisles seem ot have gotten narrower and the seat smaller whn luggage and people are getting bigger so it would be AWESOME to have more space and breathing room in general ;)

Michael, our FA was very attentive, even finding me a chocolate brownie from economy class when the dessert selections were all dairy based. ( intolerant, not allergic so don’t usually need to order dairy free)

We tried to upgrade to economy premium but were told this was not possible as we had booked through United Airlines (and Air Canada was operating the flight). This seemed silly given there was ample space in economy premium. Additionally, we had to wait almost 1.5 hours upon arrival to taxi to the gate. Otherwise, the crew were very pleasant and passengers were friendly.

We boarded but then sat there waiting on some missed connection people to get on so we sat for about 15 minutes for that. Then we sat again because the passenger manifest was wrong and they had to figure it out before we could leave. That took about another 20 minutes or so. The crew was working hard to figure it out so it’s not their fault. It ended up being a system glitch where someone was upgraded to first class while another person was also in the same seat and it just created a mess that took a little while to figure out. They literally went to every person on the plane asking their names to see who was sitting in the wrong seat. I also hate the entertainment that must be watched on your phone or tablet. Just give us setback screens. It’s so much better. Almost every Delta flight has this now and it is so nice to have them. The crew did a great job. I have no complaints from them. They were very hard working, even with the mishap and a disgruntled passenger.

Mostly the experience was good except for the flight changes made by UA which meant longer layover in DC

We were Polaris passengers and found the service poor. The food was ok but the flight attendants were not attentive and rushed the service.

The flight was delayed for 4 hours. Once onboard the crew was wonderful.

I rate it is good we had a 4-hour travel delay at one point but JetBlue gave out food vouchers and travel points credits for another flight so they try to make up for it

Did not enjoy this flight at all. All of my coworkers flew delta and I chose JetBlue because I really value how simple the WiFi and entertainment is and this flight I didn’t get either. Crew staff was unsympathetic to my system not working, everyone I asked for help with was extremely bothered by my request for help.

Little snafu at boarding. Staff communicated with gate poorly. Flight attendant was rude making disembark early. This was an older mint class. Needs an overhaul for sure. Food was good. The male flight attendant was really nice.

Like the space, did not like the snack options, there was no power outlet in seats, no entertainment, no flyfi.

In-flight staff was very helpful and excellent. However, the flight was delayed by 90 minutes. Also the boarding process should be expedited in case of delayed flights. This will help the passengers trying to make international connections.

They delayed our flight by 45 minutes and then re-updated the departure time back to normal schedule with no notification, email, or app update causing probably 40 people to miss the flight as they left without us.

The walk from baggage claim to the taxi is very difficult for older people I will never fly into JFK again. It is physically challenging

Overall fine but both ways for this trip was delayed.

Flight was delayed by almost 5 hours. Suitcase was not loaded despite the flight being near empty (my colleagues’ suitcases did reach JFK, unlike mine). Had to argue on phone to get JetBlue to deliver the case to my hotel. Never again

You ant watch TV if you don't have a device, the seats have more space, and the snacks are different.

Flight was empty so had a whole row to myself. Still had to wait to get the bag due to the negligence at Palm Springs departure.

I flew out of Reagan National. My flight was delayed, delayed, delayed, and then canceled ...THREE TIMES over TWO DAYS. Staff were seemingly not empowered to provide information on why the flights were screwed up. A real nightmare.

Amazingly comfy flight - I had upgraded for a reasonable price and it was worth it. The food also was good.

Random carry-on baggage inspection before boarding for NO REASON. The crew kept talking loudly the entire time, making it impossible to rest. When I asked the crew for something, they said they would come back later but never did. It was an EXTREMELY UNPLEASANT and UNCOMFORTABLE flight.

Only thing that I liked it that I got to my destination safely, otherwise American Airlines stinks.

Ok. Got us there safely and a bit early. Need food available on this long flight. Almost 3 hours.

It was good overall but the prices of snacks are ridiculous.

Flight was delayed multiple times and I chose to switch to another flight that had a layover. I finally arrived 7 hours later than I was supposed to.

Flight overall was good. Landing was a little rough, but could be attributed to the rainy weather.

Cancelled and declined to find alternatives Earlier flight is 2 days later Sent the cancellation notification very late, wish I knew earlier would have stayed to watch the Miami open final game Very disappointing service

The worst flight of my life. Never will I fly frontier again

Landing in terminal 2, but my luggage is terminal 3. We (and others) were looking for it in terminal 1. We probably missed the crew broadcast, but the communication could have been clearer for non native (or elderly) passengers.

I chose the seats when booked the flight and paid for them. However after checking in I found we were assigned different seats!

Bag should not be so much money. This is how Frontier takes advantage of customers

The plane was comfortable. The time to board was way too slow and very unorganized! The crew was not as friendly as normally. The was not a single time that they offered water nor anything!!!

They switched my flight to Spirit, Never using Kayak again,

i was denied boarding, even though i had an assigned seat, checked in on line and was at airport early. Then they refused to fully refund the the fair and replacement fair because they claimed it was "no show/denied boarding". I will never fly this airline again

I was not permitted on my flight and had to purchase another flight ticket to Las Vegas.

This was a full flight and I was in Zone 1, however upon boarding, several other zones went in ahead of me, leaving no overhead cabin space near my seat. This created a challenging disembarkment process.

Everything you need to know for your flight to Buffalo

Information on the airport you'll fly into in Buffalo

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