What is the cheapest airline that flies from Buffalo to Puerto Rico?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Buffalo to Puerto Rico

What airlines fly to Puerto Rico?

JetBlue, Southwest and American Airlines are the top three most popular airlines that fly to Puerto Rico from Buffalo according to our data. JetBlue is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 6 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

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?

There are 6 operators available for flights from Buffalo Airport to Puerto Rico as of September 2026.

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.

$110 Cheap Flights from Buffalo to Puerto Rico in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Puerto Rico

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:54 pm - 11:49 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

8h 55m1 stop Boston Logan Intl

6:00 am - 1:19 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

7h 19m1 stop Boston Logan Intl

$216JetBlue

Sat, Oct 24 - Fri, Oct 30

7:33 pm - 11:42 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

15h 09m1 stop Charlotte Douglas

6:15 pm - 11:52 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 37m1 stop Charlotte Douglas

$220American Airlines

Mon, Feb 22 - Thu, Feb 25

5:45 pm - 12:10 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 25m1 stop Baltimore/Washington

6:30 am - 4:10 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

9h 40m1 stop Orlando

$220Southwest

Fri, Oct 16 - Mon, Oct 19

5:45 pm - 12:10 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 25m1 stop Baltimore/Washington

5:35 pm - 11:45 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 10m1 stop Baltimore/Washington

$220Southwest

Fri, Oct 16 - Fri, Oct 23

6:00 am - 1:46 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 46m1 stop New York John F Kennedy Intl

10:45 am - 7:02 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 17m1 stop New York John F Kennedy Intl

$220JetBlue

Mon, Oct 26 - Wed, Oct 28

7:53 pm - 12:09 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

16h 16m1 stop Charlotte Douglas

12:21 pm - 10:24 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 03m2 stops Miami New York LaGuardia

$220American Airlines

Mon, Oct 26 - Wed, Oct 28

1:48 pm - 12:59 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

10h 11m1 stop Atlanta Hartsfield-Jackson

10:21 pm - 8:24 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

23h 03m1 stop Orlando

$222Frontier

Mon, Nov 16 - Mon, Nov 23

1:48 pm - 12:59 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

10h 11m1 stop Atlanta Hartsfield-Jackson

6:25 pm - 6:34 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

25h 09m1 stop Atlanta Hartsfield-Jackson

$222Frontier

Mon, Nov 16 - Thu, Dec 3

6:30 am - 1:45 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 15m1 stop Newark

12:00 pm - 11:46 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

11h 46m2 stops Newark Washington, D.C. Dulles Intl

$231United Airlines

Mon, Oct 19 - Mon, Oct 26

6:00 am - 1:11 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 11m1 stop Newark

2:05 am - 10:26 amSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

9h 21m1 stop Newark

$292United Airlines

Tue, Mar 2 - Tue, Mar 9

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 pm - 9:24 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

16h 24m2 stops Washington, D.C. Reagan-National Miami

3:51 pm - 10:50 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 59m1 stop Charlotte Douglas

$318American Airlines

Sat, Sep 19 - Sat, Oct 24

6:51 pm - 1:52 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 01m1 stop Orlando

7:00 am - 5:45 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 45m1 stop Orlando

$326Frontier

Tue, Sep 22 - Thu, Oct 1

6:51 pm - 1:52 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 01m1 stop Orlando

7:00 am - 5:45 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 45m1 stop Orlando

$336Frontier

Tue, Sep 22 - Sun, Oct 4

6:10 am - 12:54 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 44m1 stop Washington, D.C. Dulles Intl

1:00 am - 1:11 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

12h 11m2 stops Newark Chicago O'Hare Intl

$350United Airlines

Mon, Sep 21 - Fri, Oct 23

12:00 pm - 10:05 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

10h 05m2 stops Baltimore/Washington Orlando

2:25 pm - 9:10 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 45m1 stop Baltimore/Washington

$356Southwest

Wed, Sep 23 - Wed, Sep 30

3:00 pm - 10:05 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 05m1 stop Baltimore/Washington

6:00 am - 12:30 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 30m1 stop Baltimore/Washington

$356Southwest

Wed, Sep 23 - Wed, Sep 30

3:58 pm - 10:19 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 21m1 stop Atlanta Hartsfield-Jackson

2:59 pm - 11:52 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 53m1 stop Atlanta Hartsfield-Jackson

$364Delta

Wed, Sep 23 - Wed, Sep 30

6:05 am - 1:45 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 40m1 stop Atlanta Hartsfield-Jackson

2:59 pm - 11:52 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 53m1 stop Atlanta Hartsfield-Jackson

$364Delta

Tue, Sep 22 - Wed, Sep 30

5:00 pm - 9:24 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

16h 24m2 stops Washington, D.C. Reagan-National Miami

12:41 pm - 10:50 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 09m1 stop Charlotte Douglas

$366American Airlines

Sat, Sep 19 - Sat, Oct 24

7:00 am - 8:38 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

13h 38m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

1:00 am - 1:11 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

12h 11m2 stops Newark Chicago O'Hare Intl

$370United Airlines

Sat, Sep 19 - Fri, Oct 23

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Frontier flights from Buffalo to Puerto Rico

Our best Frontier deals on Buffalo to Puerto Rico flight tickets

Frontier

Nov 16

BUF1:48 pmBuffalo

10h 11m

1 stop

SJU12:59 amSan Juan Luis Munoz Marin Intl

Nov 23

SJU10:21 pmSan Juan Luis Munoz Marin Intl

23h 03m

1 stop

BUF8:24 pmBuffalo

$222

Frontier

Oct 13

BUF6:51 pmBuffalo

19h 45m

1 stop

SJU2:36 pmSan Juan Luis Munoz Marin Intl

Oct 20

SJU7:20 amSan Juan Luis Munoz Marin Intl

10h 36m

1 stop

BUF5:56 pmBuffalo

$254

Frontier

Oct 13

BUF6:51 pmBuffalo

19h 45m

1 stop

SJU2:36 pmSan Juan Luis Munoz Marin Intl

Oct 21

SJU6:42 pmSan Juan Luis Munoz Marin Intl

23h 10m

1 stop

BUF5:52 pmBuffalo

$259

JetBlue flights from Buffalo to Puerto Rico

Our best JetBlue deals on Buffalo to Puerto Rico flight tickets

JetBlue

Oct 24

BUF2:54 pmBuffalo

8h 55m

1 stop

SJU11:49 pmSan Juan Luis Munoz Marin Intl

Oct 30

SJU6:00 amSan Juan Luis Munoz Marin Intl

7h 19m

1 stop

BUF1:19 pmBuffalo

$216

JetBlue

Oct 13

BUF2:54 pmBuffalo

8h 55m

1 stop

SJU11:49 pmSan Juan Luis Munoz Marin Intl

Oct 21

SJU10:30 amSan Juan Luis Munoz Marin Intl

8h 33m

1 stop

BUF7:03 pmBuffalo

$221

JetBlue

Oct 14

BUF8:15 amBuffalo

4h 39m

SJU12:54 pmSan Juan Luis Munoz Marin Intl

Oct 21

SJU10:30 amSan Juan Luis Munoz Marin Intl

8h 33m

1 stop

BUF7:03 pmBuffalo

$246

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 10/24

2:54 pm-11:49 pm

1 stop8h 55m

San Juan Luis Munoz Marin Intl

Fri 10/30

6:00 am-1:19 pm

1 stop7h 19m

$216

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 2/22

7:33 pm-11:42 am

1 stop15h 09m

San Juan Luis Munoz Marin Intl

Thu 2/25

6:15 pm-11:52 pm

1 stop6h 37m

$220

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 10/16

5:45 pm-12:10 am

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Mon 10/19

6:30 am-4:10 pm

1 stop9h 40m

$220

Quickest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 10/16

5:45 pm-12:10 am

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Fri 10/23

5:35 pm-11:45 pm

1 stop6h 10m

$220

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 10/26

6:00 am-1:46 pm

1 stop7h 46m

San Juan Luis Munoz Marin Intl

Wed 10/28

10:45 am-7:02 pm

1 stop8h 17m

$220

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 10/26

7:53 pm-12:09 pm

1 stop16h 16m

San Juan Luis Munoz Marin Intl

Wed 10/28

12:21 pm-10:24 pm

2 stops10h 03m

$220

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 11/16

1:48 pm-12:59 am

1 stop10h 11m

San Juan Luis Munoz Marin Intl

Mon 11/23

10:21 pm-8:24 pm

1 stop23h 03m

$222

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 11/16

1:48 pm-12:59 am

1 stop10h 11m

San Juan Luis Munoz Marin Intl

Thu 12/3

6:25 pm-6:34 pm

1 stop25h 09m

$222

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 10/19

6:30 am-1:45 pm

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Mon 10/26

12:00 pm-11:46 pm

2 stops11h 46m

$231

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 3/2

6:00 am-1:11 pm

1 stop6h 11m

San Juan Luis Munoz Marin Intl

Tue 3/9

2:05 am-10:26 am

1 stop9h 21m

$292

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in October, then you should wait until March to fly from Buffalo, when ticket prices are also cheap, with an average price of $347.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $390. 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 $495.

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 $384 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 $317 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 33% 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	$110
Fastest flight time	3h 15m
Direct flights	Mon, 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 $110. The best round-trip flight deal from Buffalo to Puerto Rico found on momondo in the last 72 hours is $216.

The fastest flight from Buffalo to Puerto Rico takes 3h 15m

Direct flights go from Buffalo to Puerto Rico on Monday, 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?
There are 6 operators available for flights from Buffalo Airport to Puerto Rico as of September 2026.
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?
Based on momondo bookings for flights between Buffalo and Puerto Rico, the leading plane model is Airbus A320-100/200, making up 100.00% of the total bookings.

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
Delta	PriceFrom $106	Free Cancellation	Rating 7.8 8,579 reviews	Search Delta flights
Frontier	PriceFrom $153	Free Cancellation	Rating 5.6 2,600 reviews	Search Frontier flights
JetBlue	PriceFrom $211	Free Cancellation	Rating 7.1 3,035 reviews	Search JetBlue flights
United Airlines	PriceFrom $211	Free Cancellation	Rating 7.4 10,213 reviews	Search United Airlines flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 12,076 reviews	Search American Airlines flights
Southwest	PriceFrom $250	Free Cancellation	Rating 8.0 4,188 reviews	Search Southwest 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

Popular cities

Other flights from Buffalo

Other flights to Puerto Rico

Airlines

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Complete your trip

Feeling lucky

Popular cities in Puerto Rico

Flights to San Juanfrom $118

Flights to Aguadillafrom $199

Flights to Poncefrom $257

Flights to Viequesfrom $465

Flights to Culebrafrom $390

Flights to Mayagüezfrom $311

Cheap flights from Buffalo to Puerto Rico from $110

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 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Buffalo to Puerto Rico

Cheap round-trip flights

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Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

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Trusted and free

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Frontier flights from Buffalo to Puerto Rico

Our best Frontier deals on Buffalo to Puerto Rico flight tickets

JetBlue flights from Buffalo to Puerto Rico

Our best JetBlue deals on Buffalo to Puerto Rico flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Buffalo to Puerto Rico that are best for you.

See travel insights to Puerto Rico from

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

What is the cheapest month to fly to Puerto Rico?

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

What is the cheapest Buffalo to Puerto Rico flight route?

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

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

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

What is the cheapest airline that flies from Buffalo to Puerto Rico?

What airlines fly to Puerto Rico?

Cheap Buffalo to Puerto Rico flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Puerto Rico

Frequently asked questions about flying 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

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo

Buffalo flight routes

According to popular flight searches on momondo this year

Puerto Rico flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Puerto Rico

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Puerto Rico

List of cabin classes available on flights landing in Puerto Rico. Availability may vary depending on flight origin and airline.

Complete your trip to Puerto Rico

Explore popular destinations other users love

According to popular flight searches on momondo this year