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

Frontier and JetBlue 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.

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

1 flights are operational weekly from Buffalo to Puerto Rico as of August 2026. The most popular departure day for this route is Mon, with 100% 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 August 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.

$87 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.

12:49 pm - 1:52 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

13h 03m1 stop Orlando

10:42 am - 5:45 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

7h 03m1 stop Orlando

$174Frontier

Sun, Sep 20 - Thu, Sep 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

$174Frontier

Tue, Sep 22 - Thu, Sep 24

6:51 pm - 11:20 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

16h 29m1 stop Charlotte Douglas

6:20 am - 5:10 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 50m2 stops Miami New York LaGuardia

$210American Airlines

Tue, Oct 13 - Wed, Oct 21

5:57 pm - 9:46 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

15h 49m2 stops Washington, D.C. Reagan-National Miami

6:20 am - 5:10 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 50m2 stops Miami New York LaGuardia

$210American Airlines

Tue, Oct 13 - Wed, Oct 21

6:51 pm - 9:35 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

14h 44m1 stop Orlando

1:15 pm - 5:49 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 34mnonstop

$235Multiple Airlines

Tue, Sep 22 - Sat, Sep 26

3:30 pm - 10:00 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 30m1 stop Baltimore/Washington

5:15 am - 11:40 amSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 25m1 stop Orlando

$238Southwest

Sat, Sep 26 - Wed, Sep 30

11:05 am - 3:46 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 41mnonstop

6:42 pm - 5:45 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

23h 03m1 stop Orlando

$241Multiple Airlines

Sat, Sep 26 - Wed, Sep 30

2:35 pm - 10:05 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 30m1 stop Orlando

8:50 pm - 10:00 amSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

13h 10m1 stop Orlando

$253JetBlue

Wed, Sep 9 - Thu, Oct 8

6:00 am - 12:50 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 50m1 stop Baltimore/Washington

5:55 am - 5:40 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

11h 45m1 stop Baltimore/Washington

$260Southwest

Tue, Sep 22 - Sat, Sep 26

8:00 am - 12:39 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 39mnonstop

6:15 pm - 10:50 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 35mnonstop

$273JetBlue

Sat, Oct 10 - Wed, Oct 14

Cheap last minute flights

Enter your travel dates to find the best prices.

6:54 pm - 2:15 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 21m1 stop Orlando

8:57 pm - 9:23 amSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

12h 26m1 stop Orlando

$296Frontier

Wed, Aug 19 - Sat, Aug 29

6:54 pm - 8:11 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

13h 17m1 stop Orlando

8:57 pm - 9:23 amSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

12h 26m1 stop Orlando

$296Frontier

Sat, Aug 22 - Wed, Aug 26

6:54 pm - 2:15 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 21m1 stop Orlando

6:19 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 38mnonstop

$340Multiple Airlines

Wed, Aug 19 - Wed, Sep 2

6:54 pm - 2:15 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 21m1 stop Orlando

6:19 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 38mnonstop

$346Multiple Airlines

Wed, Aug 19 - Wed, Sep 2

12:00 pm - 9:05 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

9h 05m2 stops Baltimore/Washington Orlando

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

6h 30m1 stop Baltimore/Washington

$383Southwest

Wed, Aug 19 - Wed, Sep 23

12:00 pm - 9:05 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

9h 05m2 stops Baltimore/Washington Orlando

10:30 am - 9:10 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 40m2 stops Orlando Baltimore/Washington

$409Southwest

Wed, Aug 19 - Wed, Sep 23

7:00 am - 11:40 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 40mnonstop

6:29 pm - 11:07 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 38mnonstop

$422JetBlue

Sat, Aug 22 - Wed, Aug 26

7:00 am - 11:40 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 40mnonstop

6:29 pm - 11:07 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 38mnonstop

$422JetBlue

Sat, Aug 22 - Wed, Aug 26

7:00 am - 4:33 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

9h 33m1 stop New York John F Kennedy Intl

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

9h 00m1 stop Atlanta Hartsfield-Jackson

$424Delta

Wed, Aug 19 - Wed, Sep 2

3:53 pm - 11:52 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 59m1 stop New York John F Kennedy Intl

7:00 am - 3:06 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 06m1 stop Atlanta Hartsfield-Jackson

$434Delta

Sat, Aug 22 - Wed, Aug 26

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JetBlue flights from Buffalo to Puerto Rico

Our best JetBlue deals on Buffalo to Puerto Rico flight tickets

JetBlue

Sep 9

BUF2:35 pmBuffalo

7h 30m

1 stop

SJU10:05 pmSan Juan Luis Munoz Marin Intl

Oct 8

SJU8:50 pmSan Juan Luis Munoz Marin Intl

13h 10m

1 stop

BUF10:00 amBuffalo

$253

JetBlue

Sep 5

BUF7:00 amBuffalo

4h 40m

SJU11:40 amSan Juan Luis Munoz Marin Intl

Sep 12

SJU1:15 pmSan Juan Luis Munoz Marin Intl

4h 34m

BUF5:49 pmBuffalo

$273

JetBlue

Sep 7

BUF6:00 amBuffalo

4h 32m

SJU10:32 amSan Juan Luis Munoz Marin Intl

Sep 19

SJU1:15 pmSan Juan Luis Munoz Marin Intl

4h 34m

BUF5:49 pmBuffalo

$275

Frontier flights from Buffalo to Puerto Rico

Our best Frontier deals on Buffalo to Puerto Rico flight tickets

Frontier

Sep 20

BUF12:49 pmBuffalo

13h 03m

1 stop

SJU1:52 amSan Juan Luis Munoz Marin Intl

Sep 24

SJU10:42 amSan Juan Luis Munoz Marin Intl

7h 03m

1 stop

BUF5:45 pmBuffalo

$174

Frontier

Sep 20

BUF12:49 pmBuffalo

13h 03m

1 stop

SJU1:52 amSan Juan Luis Munoz Marin Intl

Sep 27

SJU7:00 amSan Juan Luis Munoz Marin Intl

10h 45m

1 stop

BUF5:45 pmBuffalo

$190

Frontier

Sep 22

BUF6:51 pmBuffalo

7h 01m

1 stop

SJU1:52 amSan Juan Luis Munoz Marin Intl

Sep 29

SJU10:42 amSan Juan Luis Munoz Marin Intl

7h 07m

1 stop

BUF5:49 pmBuffalo

$202

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sun 9/20

12:49 pm-1:52 am

1 stop13h 03m

San Juan Luis Munoz Marin Intl

Thu 9/24

10:42 am-5:45 pm

1 stop7h 03m

$174

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 9/22

6:51 pm-1:52 am

1 stop7h 01m

San Juan Luis Munoz Marin Intl

Thu 9/24

7:00 am-5:45 pm

1 stop10h 45m

$174

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 10/13

6:51 pm-11:20 am

1 stop16h 29m

San Juan Luis Munoz Marin Intl

Wed 10/21

6:20 am-5:10 pm

2 stops10h 50m

$210

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 10/13

5:57 pm-9:46 am

2 stops15h 49m

San Juan Luis Munoz Marin Intl

Wed 10/21

6:20 am-5:10 pm

2 stops10h 50m

$210

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 9/22

6:51 pm-9:35 am

1 stop14h 44m

San Juan Luis Munoz Marin Intl

Sat 9/26

1:15 pm-5:49 pm

Nonstop4h 34m

$235

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 9/26

3:30 pm-10:00 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Wed 9/30

5:15 am-11:40 am

1 stop6h 25m

$238

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 9/26

11:05 am-3:46 pm

Nonstop4h 41m

San Juan Luis Munoz Marin Intl

Wed 9/30

6:42 pm-5:45 pm

1 stop23h 03m

$241

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 9/9

2:35 pm-10:05 pm

1 stop7h 30m

San Juan Luis Munoz Marin Intl

Thu 10/8

8:50 pm-10:00 am

1 stop13h 10m

$253

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 9/22

6:00 am-12:50 pm

1 stop6h 50m

San Juan Luis Munoz Marin Intl

Sat 9/26

5:55 am-5:40 pm

1 stop11h 45m

$260

Quickest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 10/10

8:00 am-12:39 pm

Nonstop4h 39m

San Juan Luis Munoz Marin Intl

Wed 10/14

6:15 pm-10:50 pm

Nonstop4h 35m

$273

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 March, then you should wait until October to fly from Buffalo, when ticket prices are also cheap, with an average price of $362.

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 $480.

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 $387 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 $349 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 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	$87
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 $87. The best round-trip flight deal from Buffalo to Puerto Rico found on momondo in the last 72 hours is $174.

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 August 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 8,502 reviews	Search Delta flights
Frontier	PriceFrom $153	Free Cancellation	Rating 5.6 2,674 reviews	Search Frontier flights
JetBlue	PriceFrom $211	Free Cancellation	Rating 7.1 3,032 reviews	Search JetBlue flights
United Airlines	PriceFrom $211	Free Cancellation	Rating 7.4 10,106 reviews	Search United Airlines flights
Southwest	PriceFrom $225	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 11,946 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

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Complete your trip

Feeling lucky

Popular cities in Puerto Rico

Flights to San Juanfrom $94

Flights to Aguadillafrom $238

Flights to Poncefrom $228

Flights to Viequesfrom $485

Flights to Culebrafrom $455

Flights to Mayagüezfrom $226

Cheap flights from Buffalo to Puerto Rico from $87

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 10/20. 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

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JetBlue flights from Buffalo to Puerto Rico

Our best JetBlue deals on Buffalo to Puerto Rico flight tickets

Frontier flights from Buffalo to Puerto Rico

Our best Frontier 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?

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

Explore popular destinations other users love

According to popular flight searches on momondo this year