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.

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

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

How many flights depart from Buffalo to Puerto Rico on average per week?

4 flights are operational weekly from Buffalo to Puerto Rico as of July 2026. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.

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 July 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.

$109 Cheap Flights from Buffalo to Puerto Rico in 2026

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.

6:00 am - 1:11 pm

BUF

SJU

7h 11m

1 stop

6:19 pm - 10:57 pm

SJU

BUF

4h 38mnonstop

$301JetBlue

Sat, Aug 29 - Wed, Sep 2

6:27 am - 3:07 pm

BUF

SJU

8h 40m

1 stop

2:22 pm - 11:40 pm

SJU

BUF

9h 18m

1 stop

$302American Airlines

Sun, Sep 13 - Fri, Sep 18

4:49 pm - 11:59 pm

BUF

SJU

7h 10m

1 stop

7:03 am - 4:56 pm

SJU

BUF

9h 53m

1 stop

$303American Airlines

Mon, Aug 17 - Wed, Sep 2

6:00 am - 3:38 pm

BUF

SJU

9h 38m

2 stops

3:51 pm - 10:50 pm

SJU

BUF

6h 59m

1 stop

$304American Airlines

Wed, Oct 7 - Mon, Oct 12

6:55 am - 2:44 pm

BUF

SJU

7h 49m

1 stop

4:55 pm - 11:44 pm

SJU

BUF

6h 49m

1 stop

$305United Airlines

Sun, Sep 13 - Fri, Sep 18

3:10 pm - 11:58 pm

BUF

SJU

8h 48m

1 stop

6:00 am - 3:01 pm

SJU

BUF

9h 01m

1 stop

$306JetBlue

Tue, Oct 20 - Sat, Oct 24

6:00 am - 1:53 pm

BUF

SJU

7h 53m

1 stop

1:00 am - 9:48 am

SJU

BUF

8h 48m

2 stops

$308United Airlines

Wed, Sep 9 - Sat, Sep 12

11:25 am - 10:50 pm

BUF

SJU

11h 25m

1 stop

5:15 am - 3:15 pm

SJU

BUF

10h 00m

2 stops

$310Southwest

Mon, Aug 17 - Wed, Sep 2

7:57 pm - 11:04 am

BUF

BQN

15h 07m

1 stop

10:52 am - 5:34 pm

BQN

BUF

6h 42m

1 stop

$362Frontier

Wed, Aug 12 - Tue, Sep 15

6:54 pm - 2:10 am

BUF

BQN

7h 16m

1 stop

3:10 am - 6:09 pm

BQN

BUF

14h 59m

1 stop

$364Frontier

Fri, Aug 28 - Sun, Aug 30

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JetBlue flights from Buffalo to Puerto Rico

Our best JetBlue deals on Buffalo to Puerto Rico flight tickets

JetBlue

Aug 29

BUF6:00 amBuffalo

7h 11m

1 stop

SJU1:11 pmSan Juan Luis Munoz Marin Intl

Sep 2

SJU6:19 pmSan Juan Luis Munoz Marin Intl

4h 38m

BUF10:57 pmBuffalo

$301

JetBlue

Oct 20

BUF3:10 pmBuffalo

8h 48m

1 stop

SJU11:58 pmSan Juan Luis Munoz Marin Intl

Oct 24

SJU6:00 amSan Juan Luis Munoz Marin Intl

9h 01m

1 stop

BUF3:01 pmBuffalo

$306

JetBlue

Oct 20

BUF3:10 pmBuffalo

8h 48m

1 stop

SJU11:58 pmSan Juan Luis Munoz Marin Intl

Oct 24

SJU6:15 pmSan Juan Luis Munoz Marin Intl

4h 35m

BUF10:50 pmBuffalo

$315

American Airlines flights from Buffalo to Puerto Rico

Our best American Airlines deals on Buffalo to Puerto Rico flight tickets

American Airlines

Sep 13

BUF6:27 amBuffalo

8h 40m

1 stop

SJU3:07 pmSan Juan Luis Munoz Marin Intl

Sep 18

SJU2:22 pmSan Juan Luis Munoz Marin Intl

9h 18m

1 stop

BUF11:40 pmBuffalo

$302

American Airlines

Aug 17

BUF4:49 pmBuffalo

7h 10m

1 stop

SJU11:59 pmSan Juan Luis Munoz Marin Intl

Sep 2

SJU7:03 amSan Juan Luis Munoz Marin Intl

9h 53m

1 stop

BUF4:56 pmBuffalo

$303

American Airlines

Oct 7

BUF6:00 amBuffalo

9h 38m

2 stops

SJU3:38 pmSan Juan Luis Munoz Marin Intl

Oct 12

SJU3:51 pmSan Juan Luis Munoz Marin Intl

6h 59m

1 stop

BUF10:50 pmBuffalo

$304

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 8/29

6:00 am-1:11 pm

1 stop7h 11m

San Juan Luis Munoz Marin Intl

Wed 9/2

6:19 pm-10:57 pm

Nonstop4h 38m

$301

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 9/13

6:27 am-3:07 pm

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Fri 9/18

2:22 pm-11:40 pm

1 stop9h 18m

$302

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 8/17

4:49 pm-11:59 pm

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Wed 9/2

7:03 am-4:56 pm

1 stop9h 53m

$303

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 10/7

6:00 am-3:38 pm

2 stops9h 38m

San Juan Luis Munoz Marin Intl

Mon 10/12

3:51 pm-10:50 pm

1 stop6h 59m

$304

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 9/13

6:55 am-2:44 pm

1 stop7h 49m

San Juan Luis Munoz Marin Intl

Fri 9/18

4:55 pm-11:44 pm

1 stop6h 49m

$305

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 10/20

3:10 pm-11:58 pm

1 stop8h 48m

San Juan Luis Munoz Marin Intl

Sat 10/24

6:00 am-3:01 pm

1 stop9h 01m

$306

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 9/9

6:00 am-1:53 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Sat 9/12

1:00 am-9:48 am

2 stops8h 48m

$308

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 8/17

11:25 am-10:50 pm

1 stop11h 25m

San Juan Luis Munoz Marin Intl

Wed 9/2

5:15 am-3:15 pm

2 stops10h 00m

$310

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

Fri 8/28

6:54 pm-2:10 am

1 stop7h 16m

Aguadilla Borinquen

Sun 8/30

3:10 am-6:09 pm

1 stop14h 59m

$364

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

Other information

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 $375.

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?
There are 6 operators available for flights from Buffalo Airport to Puerto Rico as of July 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 8,483 reviews	Search Delta flights
Frontier	PriceFrom $125	Free Cancellation	Rating 5.6 2,754 reviews	Search Frontier flights
JetBlue	PriceFrom $208	Free Cancellation	Rating 7.1 3,026 reviews	Search JetBlue flights
United Airlines	PriceFrom $211	Free Cancellation	Rating 7.4 10,042 reviews	Search United Airlines flights
Southwest	PriceFrom $225	Free Cancellation	Rating 8.0 4,229 reviews	Search Southwest flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 11,837 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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Popular cities in Puerto Rico

Flights to San Juanfrom $98

Flights to Aguadillafrom $214

Flights to Poncefrom $237

Flights to Culebrafrom $383

Flights to Mayagüezfrom $380

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 9/12. 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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JetBlue flights from Buffalo to Puerto Rico

Our best JetBlue deals on Buffalo to Puerto Rico flight tickets

American Airlines flights from Buffalo to Puerto Rico

Our best American Airlines deals on Buffalo to Puerto Rico flight tickets

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

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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?

How many flights depart from Buffalo to Puerto Rico on average per week?

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

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According to popular flight searches on momondo this year