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Cheap flights from Buffalo to Puerto Rico from $109

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:30 am - 11:50 pm
BUF
-
SJU
13h 20m
2 stops
United Airlines Logo
1:25 pm - 11:12 pm
SJU
-
BUF
9h 47m
1 stop
$308United Airlines
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
3:40 pm - 12:15 am
BUF
-
SJU
8h 35m
1 stop
American Airlines Logo
6:00 am - 4:22 pm
SJU
-
BUF
10h 22m
2 stops
$309American Airlines
Sun, Sep 6 - Sat, Sep 12
American Airlines Logo
6:50 am - 11:59 pm
BUF
-
SJU
17h 09m
1 stop
American Airlines Logo
7:30 am - 6:02 pm
SJU
-
BUF
10h 32m
1 stop
$310American Airlines
Fri, Aug 28 - Tue, Sep 8
JetBlue Logo
12:10 pm - 7:42 pm
BUF
-
SJU
7h 32m
1 stop
JetBlue Logo
6:15 pm - 10:53 pm
SJU
-
BUF
4h 38mnonstop
$314JetBlue
Thu, Oct 22 - Mon, Oct 26
JetBlue Logo
7:00 am - 11:40 am
BUF
-
SJU
4h 40mnonstop
JetBlue Logo
6:29 pm - 11:07 pm
SJU
-
BUF
4h 38mnonstop
$322JetBlue
Sat, Aug 22 - Wed, Aug 26
Southwest Logo
1:40 pm - 11:05 pm
BUF
-
SJU
9h 25m
1 stop
Southwest Logo
11:50 am - 9:05 pm
SJU
-
BUF
9h 15m
2 stops
$323Southwest
Fri, Aug 21 - Tue, Aug 25
Frontier Logo
10:02 pm - 9:06 am
BUF
-
PSE
11h 04m
1 stop
Frontier Logo
10:32 am - 7:06 pm
PSE
-
BUF
8h 34m
1 stop
$350Frontier
Sat, Aug 8 - Wed, Aug 12
Frontier Logo
7:57 pm - 11:04 am
BUF
-
BQN
15h 07m
1 stop
Frontier Logo
10:52 am - 5:34 pm
BQN
-
BUF
6h 42m
1 stop
$362Frontier
Wed, Aug 12 - Tue, Sep 15
Multiple Airlines Logo
7:57 pm - 11:04 am
BUF
-
BQN
15h 07m
1 stop
Multiple Airlines Logo
4:23 pm - 1:29 pm
BQN
-
BUF
21h 06m
2 stops
$433Multiple Airlines
Wed, Aug 12 - Tue, Sep 15
Multiple Airlines Logo
6:55 am - 11:59 pm
BUF
-
PSE
17h 04m
2 stops
Multiple Airlines Logo
10:47 am - 6:09 pm
PSE
-
BUF
7h 22m
1 stop
$439Multiple Airlines
Fri, Aug 21 - Mon, Aug 31

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United Airlines flights from Buffalo to Puerto Rico

Our best United Airlines deals on Buffalo to Puerto Rico flight tickets
United Airlines
Sep 12
BUF10:30 amBuffalo
13h 20m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 19
SJU1:25 pmSan Juan Luis Munoz Marin Intl
9h 47m
1 stop
BUF11:12 pmBuffalo
$308
United Airlines
Sep 9
BUF10:30 amBuffalo
13h 20m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 12
SJU1:00 amSan Juan Luis Munoz Marin Intl
8h 48m
2 stops
BUF9:48 amBuffalo
$348
United Airlines
Sep 15
BUF10:30 amBuffalo
13h 20m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 16
SJU1:25 pmSan Juan Luis Munoz Marin Intl
10h 19m
2 stops
BUF11:44 pmBuffalo
$360

Frontier flights from Buffalo to Puerto Rico

Our best Frontier deals on Buffalo to Puerto Rico flight tickets
Frontier
Sep 15
BUF6:29 pmBuffalo
7h 21m
1 stop
SJU1:50 amSan Juan Luis Munoz Marin Intl
Sep 16
SJU4:39 pmSan Juan Luis Munoz Marin Intl
19h 42m
2 stops
BUF12:21 pmBuffalo
$326
Frontier
Aug 25
BUF9:29 pmBuffalo
13h 37m
1 stop
SJU11:06 amSan Juan Luis Munoz Marin Intl
Aug 26
SJU8:57 pmSan Juan Luis Munoz Marin Intl
12h 26m
1 stop
BUF9:23 amBuffalo
$331
Frontier
Aug 12
BUF7:57 pmBuffalo
12h 00m
1 stop
SJU7:57 amSan Juan Luis Munoz Marin Intl
Aug 19
SJU8:57 pmSan Juan Luis Munoz Marin Intl
12h 26m
1 stop
BUF9:23 amBuffalo
$336

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 July 21, 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

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 9/12

10:30 am-11:50 pm

2 stops13h 20m

San Juan Luis Munoz Marin Intl

Sat 9/19

1:25 pm-11:12 pm

1 stop9h 47m

$308

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 9/6

3:40 pm-12:15 am

1 stop8h 35m

San Juan Luis Munoz Marin Intl

Sat 9/12

6:00 am-4:22 pm

2 stops10h 22m

$309

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 8/28

6:50 am-11:59 pm

1 stop17h 09m

San Juan Luis Munoz Marin Intl

Tue 9/8

7:30 am-6:02 pm

1 stop10h 32m

$310

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 10/22

12:10 pm-7:42 pm

1 stop7h 32m

San Juan Luis Munoz Marin Intl

Mon 10/26

6:15 pm-10:53 pm

Nonstop4h 38m

$314
Quickest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 8/22

7:00 am-11:40 am

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Wed 8/26

6:29 pm-11:07 pm

Nonstop4h 38m

$322

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 8/21

1:40 pm-11:05 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Tue 8/25

11:50 am-9:05 pm

2 stops9h 15m

$323

BuffaloPonce

BUF - PSE

BUFPSE

Buffalo

Sat 8/8

10:02 pm-9:06 am

1 stop11h 04m

Ponce Mercedita

Wed 8/12

10:32 am-7:06 pm

1 stop8h 34m

$350

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Wed 8/12

7:57 pm-11:04 am

1 stop15h 07m

Aguadilla Borinquen

Tue 9/15

10:52 am-5:34 pm

1 stop6h 42m

$362

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Wed 8/12

7:57 pm-11:04 am

1 stop15h 07m

Aguadilla Borinquen

Tue 9/15

4:23 pm-1:29 pm

2 stops21h 06m

$433

BuffaloPonce

BUF - PSE

BUFPSE

Buffalo

Fri 8/21

6:55 am-11:59 pm

2 stops17h 04m

Ponce Mercedita

Mon 8/31

10:47 am-6:09 pm

1 stop7h 22m

$439

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 September, then you should wait until March to fly from Buffalo, when ticket prices are also cheap, with an average price of $342.

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 $385. 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 $458.

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 $380 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 $341 on momondo.

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

There is only 1 cabin class 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 37% 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

$204

Fastest flight time

3h 15m

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 $204. The best round-trip flight deal from Buffalo to Puerto Rico found on momondo in the last 72 hours is $380.
The fastest flight from Buffalo to Puerto Rico takes 3h 15m
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 $106Free CancellationRating
7.8
8,477 reviews
Search Delta flights
FrontierPriceFrom $125Free CancellationRating
5.6
2,771 reviews
Search Frontier flights
JetBluePriceFrom $208Free CancellationRating
7.1
3,019 reviews
Search JetBlue flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
10,018 reviews
Search United Airlines flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
American AirlinesPriceFrom $231Free CancellationRating
7.1
11,838 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.
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Find better results for your trip to Puerto Rico

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