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Cheap flights from Buffalo to Puerto Rico from $121

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Puerto Rico departing on 6/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Buffalo to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
7:16 am - 11:11 am
BUF
-
SJU
3h 55mnonstop
JetBlue Logo
6:20 pm - 10:58 pm
SJU
-
BUF
4h 38mnonstop
$281JetBlue
Fri, Jun 5 - Fri, Jun 12
Frontier Logo
6:29 pm - 1:50 am
BUF
-
SJU
7h 21m
1 stop
Frontier Logo
6:05 am - 6:01 pm
SJU
-
BUF
11h 56m
1 stop
$296Frontier
Tue, Oct 6 - Tue, Oct 13
JetBlue Logo
7:16 am - 11:11 am
BUF
-
SJU
3h 55mnonstop
JetBlue Logo
6:20 pm - 11:09 pm
SJU
-
BUF
4h 49mnonstop
$300JetBlue
Wed, Jun 3 - Wed, Jun 10
American Airlines Logo
11:59 am - 11:59 pm
BUF
-
SJU
12h 00m
2 stops
American Airlines Logo
7:05 am - 6:04 pm
SJU
-
BUF
10h 59m
1 stop
$302American Airlines
Tue, Aug 18 - Wed, Aug 26
JetBlue Logo
7:16 am - 11:11 am
BUF
-
SJU
3h 55mnonstop
JetBlue Logo
5:20 pm - 10:09 pm
SJU
-
BUF
4h 49mnonstop
$305JetBlue
Wed, Jun 3 - Sat, Jun 6
American Airlines Logo
10:28 am - 10:24 pm
BUF
-
SJU
11h 56m
2 stops
American Airlines Logo
6:51 am - 2:26 pm
SJU
-
BUF
7h 35m
1 stop
$307American Airlines
Wed, Aug 19 - Wed, Sep 2
JetBlue Logo
7:16 am - 11:11 am
BUF
-
SJU
3h 55mnonstop
JetBlue Logo
6:20 pm - 11:09 pm
SJU
-
BUF
4h 49mnonstop
$310JetBlue
Fri, Jun 5 - Mon, Jun 8
Frontier Logo
9:02 pm - 9:42 am
BUF
-
PSE
12h 40m
1 stop
Frontier Logo
10:27 am - 7:12 pm
PSE
-
BUF
8h 45m
1 stop
$334Frontier
Thu, Jun 11 - Mon, Jun 15
United Airlines Logo
6:00 am - 5:21 pm
BUF
-
CPX
11h 21m
2 stops
United Airlines Logo
10:48 am - 11:59 pm
CPX
-
BUF
13h 11m
2 stops
$1,708United Airlines
Thu, Jul 30 - Sat, Aug 8
United Airlines Logo
7:00 am - 6:30 pm
BUF
-
VQS
11h 30m
2 stops
United Airlines Logo
11:51 am - 10:59 pm
VQS
-
BUF
11h 08m
2 stops
$3,686United Airlines
Thu, Jul 30 - Sun, Aug 9

JetBlue flights from Buffalo to Puerto Rico

Our best JetBlue deals on Buffalo to Puerto Rico flight tickets
JetBlue
Jun 5
BUF7:16 amBuffalo
3h 55m
SJU11:11 amSan Juan Luis Munoz Marin Intl
Jun 12
SJU6:20 pmSan Juan Luis Munoz Marin Intl
4h 38m
BUF10:58 pmBuffalo
$281
JetBlue
Jun 3
BUF7:16 amBuffalo
3h 55m
SJU11:11 amSan Juan Luis Munoz Marin Intl
Jun 10
SJU6:20 pmSan Juan Luis Munoz Marin Intl
4h 49m
BUF11:09 pmBuffalo
$300
JetBlue
Jun 3
BUF7:16 amBuffalo
3h 55m
SJU11:11 amSan Juan Luis Munoz Marin Intl
Jun 6
SJU5:20 pmSan Juan Luis Munoz Marin Intl
4h 49m
BUF10:09 pmBuffalo
$305

Delta flights from Buffalo to Puerto Rico

Our best Delta deals on Buffalo to Puerto Rico flight tickets
Delta
Aug 29
BUF6:12 amBuffalo
6h 43m
1 stop
SJU12:55 pmSan Juan Luis Munoz Marin Intl
Sep 2
SJU7:00 amSan Juan Luis Munoz Marin Intl
7h 39m
1 stop
BUF2:39 pmBuffalo
$323
Delta
Aug 22
BUF3:53 pmBuffalo
7h 59m
1 stop
SJU11:52 pmSan Juan Luis Munoz Marin Intl
Aug 26
SJU6:48 amSan Juan Luis Munoz Marin Intl
8h 18m
1 stop
BUF3:06 pmBuffalo
$324
Delta
Sep 16
BUF3:50 pmBuffalo
7h 54m
1 stop
SJU11:44 pmSan Juan Luis Munoz Marin Intl
Sep 25
SJU7:00 amSan Juan Luis Munoz Marin Intl
7h 39m
1 stop
BUF2:39 pmBuffalo
$349

momondo 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, momondo users made 832,500 searches. Data last updated May 23, 2026.
Use the filters below to find and compare flights from Buffalo to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 6/5

7:16 am-11:11 am

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Fri 6/12

6:20 pm-10:58 pm

Nonstop4h 38m

$281

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 10/6

6:29 pm-1:50 am

1 stop7h 21m

San Juan Luis Munoz Marin Intl

Tue 10/13

6:05 am-6:01 pm

1 stop11h 56m

$296

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 6/3

7:16 am-11:11 am

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Wed 6/10

6:20 pm-11:09 pm

Nonstop4h 49m

$300

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 8/18

11:59 am-11:59 pm

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Wed 8/26

7:05 am-6:04 pm

1 stop10h 59m

$302

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 6/3

7:16 am-11:11 am

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Sat 6/6

5:20 pm-10:09 pm

Nonstop4h 49m

$305

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 8/19

10:28 am-10:24 pm

2 stops11h 56m

San Juan Luis Munoz Marin Intl

Wed 9/2

6:51 am-2:26 pm

1 stop7h 35m

$307

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 6/5

7:16 am-11:11 am

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Mon 6/8

6:20 pm-11:09 pm

Nonstop4h 49m

$310

BuffaloPonce

BUF - PSE

BUFPSE

Buffalo

Thu 6/11

9:02 pm-9:42 am

1 stop12h 40m

Ponce Mercedita

Mon 6/15

10:27 am-7:12 pm

1 stop8h 45m

$334

BuffaloCulebra

BUF - CPX

BUFCPX

Buffalo

Thu 7/30

6:00 am-5:21 pm

2 stops11h 21m

Culebra

Sat 8/8

10:48 am-11:59 pm

2 stops13h 11m

$1,708

BuffaloVieques

BUF - VQS

BUFVQS

Buffalo

Thu 7/30

7:00 am-6:30 pm

2 stops11h 30m

Vieques

Sun 8/9

11:51 am-10:59 pm

2 stops11h 08m

$3,686

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Buffalo to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in April, then you should wait until December to fly from Buffalo, when ticket prices are also cheap, with an average price of $103.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Buffalo is on a Friday. momondo users have found tickets for Friday departures for as low as $345. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Saturday, with ticket prices averaging around $485.

What is the cheapest Buffalo to Puerto Rico flight route?

Fly from Buffalo to San Juan Luis Munoz Marin Intl for the best Buffalo - Puerto Rico flight prices

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

You are more likely to see cheaper flights to Puerto Rico from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $378 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Buffalo for as low as $316 on momondo.

What cabin class options are available on Buffalo to Puerto Rico flights?

There are 2 cabin classes available to choose from on Buffalo to Puerto Rico flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Buffalo to Puerto Rico flights?

You could potentially save up to 27% on your flight if you consider stops on a Buffalo to Puerto Rico flight.

Cheap Buffalo to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Puerto Rico

Best Price Found

$141

Fastest flight time

3h 55m

Direct flights

Tue, Thu, Sat and Sun

Airports in Puerto Rico

20 airports
The best one-way flight to Puerto Rico from Buffalo in the past 72 hours is $141. The best round-trip flight deal from Buffalo to Puerto Rico found on momondo in the last 72 hours is $370.
The fastest flight from Buffalo to Puerto Rico takes 3h 55m
Direct flights go from Buffalo to Puerto Rico on Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is JetBlue.
There are 20 airports in Puerto Rico. From Buffalo there are direct flights to San Juan Luis Munoz Marin Intl (SJU).
Search flight deals

Frequently asked questions about flying from Buffalo to Puerto Rico

  • When did momondo last update prices for flights from Buffalo Airport to Puerto Rico?

    Prices for flights from Buffalo Airport to Puerto Rico were last updated today.

  • How many operators does momondo search for flights from Buffalo Airport to Puerto Rico?

  • How old do you have to be to fly from Buffalo Airport to Puerto Rico?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents required for your trip to Puerto Rico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Buffalo to Puerto Rico?

Best airlines flying from Buffalo to Puerto Rico

Compare and see reviews for airlines that fly from Buffalo to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $112Free CancellationRating
7.9
8,445 reviews
Search Delta flights
FrontierPriceFrom $129Free CancellationRating
5.6
2,940 reviews
Search Frontier flights
JetBluePriceFrom $207Free CancellationRating
7.2
2,983 reviews
Search JetBlue flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
9,752 reviews
Search United Airlines flights
SouthwestPriceFrom $225Free CancellationRating
7.9
4,276 reviews
Search Southwest flights
American AirlinesPriceFrom $231Free CancellationRating
7.1
11,639 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Puerto Rico?

Finding the right flight to Puerto Rico from Buffalo is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Puerto Rico quick and easy, saving you time and money.

Can I find flights from Buffalo to Puerto Rico with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Puerto Rico from Buffalo with this policy.

How can momondo help me find flights from Buffalo to Puerto Rico?

Once you have performed a search for Buffalo to Puerto Rico flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Buffalo to Puerto Rico right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Puerto Rico from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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Find better results for your trip to Puerto Rico

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