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?

Frontier, Southwest, and American Airlines are the most popular carriers operating 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.

$93 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.

11:38 am - 11:52 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

11h 14m1 stop Atlanta Hartsfield-Jackson

3:50 am - 6:46 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

15h 56m1 stop Orlando

$200Frontier

Mon, Dec 7 - Fri, Dec 11

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

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

6h 25m1 stop Baltimore/Washington

5:50 am - 12:05 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 15m1 stop Baltimore/Washington

$210Southwest

Thu, Oct 22 - Tue, Oct 27

5:45 pm - 12:05 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 20m1 stop Baltimore/Washington

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

6h 10m1 stop Baltimore/Washington

$210Southwest

Fri, Oct 2 - Fri, Oct 9

6:51 pm - 1:13 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

17h 22m1 stop Charlotte Douglas

8:30 am - 6:17 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 47m1 stop Philadelphia

$210American Airlines

Sun, Jan 31 - Sat, Feb 6

6:55 am - 3:05 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

8h 10m1 stop Boston Logan Intl

7:00 am - 1:19 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

7h 19m1 stop Boston Logan Intl

$211JetBlue

Wed, Oct 28 - Wed, Nov 4

6:51 pm - 9:18 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

14h 27m1 stop Orlando

7:23 am - 5:52 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

11h 29m1 stop Orlando

$214Frontier

Tue, Oct 13 - Sun, Nov 1

8:00 am - 12:50 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 50mnonstop

11:20 am - 7:02 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 42m1 stop New York John F Kennedy Intl

$241JetBlue

Wed, Oct 28 - Wed, Nov 4

6:51 pm - 9:18 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

14h 27m1 stop Orlando

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

4h 35mnonstop

$254Multiple Airlines

Tue, Oct 13 - Wed, Oct 21

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

11h 11m1 stop Atlanta Hartsfield-Jackson

7:15 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 42mnonstop

$255Multiple Airlines

Fri, Oct 30 - Mon, Nov 2

Cheap last minute flights

Enter your travel dates to find the best prices.

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

$265Frontier

Tue, Sep 15 - Sun, Sep 27

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

$265Frontier

Tue, Sep 15 - Thu, Oct 1

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

6h 21m1 stop Atlanta Hartsfield-Jackson

2:30 pm - 10:35 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 05m1 stop Detroit Metropolitan Wayne County

$379Delta

Tue, Sep 15 - Sat, Oct 3

11:30 am - 11:55 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

12h 25m1 stop Baltimore/Washington

10:00 am - 6:25 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 25m2 stops Orlando Baltimore/Washington

$388Southwest

Sun, Sep 13 - Fri, Sep 18

11:30 am - 11:55 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

12h 25m1 stop Baltimore/Washington

5:00 am - 11:50 amSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 50m1 stop Orlando

$388Southwest

Sun, Sep 13 - Fri, Sep 18

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

6h 21m1 stop Atlanta Hartsfield-Jackson

2:30 pm - 10:35 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 05m1 stop Detroit Metropolitan Wayne County

$389Delta

Tue, Sep 15 - Sat, Oct 3

6:00 am - 8:47 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

14h 47m2 stops New York LaGuardia Miami

2:58 pm - 11:18 amSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

20h 20m2 stops Miami Washington, D.C. Reagan-National

$405American Airlines

Tue, Sep 15 - Tue, Sep 29

5:44 pm - 2:50 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

21h 06m2 stops Washington, D.C. Reagan-National Charlotte Douglas

6:00 am - 11:54 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

17h 54m2 stops Miami Washington, D.C. Reagan-National

$405American Airlines

Mon, Sep 14 - Wed, Sep 30

10:33 am - 11:50 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

13h 17m2 stops Washington, D.C. Dulles Intl Newark

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

12h 11m2 stops Newark Chicago O'Hare Intl

$412United Airlines

Tue, Sep 15 - Mon, Sep 28

10:33 am - 11:50 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

13h 17m2 stops Washington, D.C. Dulles Intl Newark

1:25 pm - 11:11 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

9h 46m1 stop Newark

$412United Airlines

Mon, Sep 14 - Thu, Oct 1

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Frontier flights from Buffalo to Puerto Rico

Our best Frontier deals on Buffalo to Puerto Rico flight tickets

Frontier

Dec 7

BUF11:38 amBuffalo

11h 14m

1 stop

SJU11:52 pmSan Juan Luis Munoz Marin Intl

Dec 11

SJU3:50 amSan Juan Luis Munoz Marin Intl

15h 56m

1 stop

BUF6:46 pmBuffalo

$200

Frontier

Oct 13

BUF6:51 pmBuffalo

14h 27m

1 stop

SJU9:18 amSan Juan Luis Munoz Marin Intl

Nov 1

SJU7:23 amSan Juan Luis Munoz Marin Intl

11h 29m

1 stop

BUF5:52 pmBuffalo

$214

Frontier

Oct 28

BUF2:00 pmBuffalo

10h 59m

1 stop

SJU12:59 amSan Juan Luis Munoz Marin Intl

Oct 31

SJU6:26 pmSan Juan Luis Munoz Marin Intl

24h 26m

1 stop

BUF6:52 pmBuffalo

$216

Southwest flights from Buffalo to Puerto Rico

Our best Southwest deals on Buffalo to Puerto Rico flight tickets

Southwest

Oct 2

BUF5:45 pmBuffalo

6h 20m

1 stop

SJU12:05 amSan Juan Luis Munoz Marin Intl

Oct 9

SJU5:35 pmSan Juan Luis Munoz Marin Intl

6h 10m

1 stop

BUF11:45 pmBuffalo

$210

Southwest

Oct 17

BUF6:00 amBuffalo

6h 25m

1 stop

SJU12:25 pmSan Juan Luis Munoz Marin Intl

Oct 21

SJU5:50 amSan Juan Luis Munoz Marin Intl

9h 30m

1 stop

BUF3:20 pmBuffalo

$241

Southwest

Oct 7

BUF4:25 pmBuffalo

6h 45m

1 stop

SJU11:10 pmSan Juan Luis Munoz Marin Intl

Oct 14

SJU6:35 amSan Juan Luis Munoz Marin Intl

12h 15m

1 stop

BUF6:50 pmBuffalo

$286

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 12/7

11:38 am-11:52 pm

1 stop11h 14m

San Juan Luis Munoz Marin Intl

Fri 12/11

3:50 am-6:46 pm

1 stop15h 56m

$200

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

Thu 10/22

5:45 pm-12:10 am

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Tue 10/27

5:50 am-12:05 pm

1 stop6h 15m

$210

Quickest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 10/2

5:45 pm-12:05 am

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Fri 10/9

5:35 pm-11:45 pm

1 stop6h 10m

$210

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sun 1/31

6:51 pm-1:13 pm

1 stop17h 22m

San Juan Luis Munoz Marin Intl

Sat 2/6

8:30 am-6:17 pm

1 stop10h 47m

$210

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 10/28

6:55 am-3:05 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

Wed 11/4

7:00 am-1:19 pm

1 stop7h 19m

$211

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 10/13

6:51 pm-9:18 am

1 stop14h 27m

San Juan Luis Munoz Marin Intl

Sun 11/1

7:23 am-5:52 pm

1 stop11h 29m

$214

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 10/28

8:00 am-12:50 pm

Nonstop4h 50m

San Juan Luis Munoz Marin Intl

Wed 11/4

11:20 am-7:02 pm

1 stop8h 42m

$241

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 10/13

6:51 pm-9:18 am

1 stop14h 27m

San Juan Luis Munoz Marin Intl

Wed 10/21

6:15 pm-10:50 pm

Nonstop4h 35m

$254

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 10/30

1:48 pm-12:59 am

1 stop11h 11m

San Juan Luis Munoz Marin Intl

Mon 11/2

7:15 pm-10:57 pm

Nonstop4h 42m

$255

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 September to fly from Buffalo, when ticket prices are also cheap, with an average price of $344.

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 $483.

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 $381 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 $326 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	$93
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 $93. The best round-trip flight deal from Buffalo to Puerto Rico found on momondo in the last 72 hours is $200.

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 8,553 reviews	Search Delta flights
Frontier	PriceFrom $153	Free Cancellation	Rating 5.6 2,611 reviews	Search Frontier flights
JetBlue	PriceFrom $211	Free Cancellation	Rating 7.1 3,041 reviews	Search JetBlue flights
United Airlines	PriceFrom $211	Free Cancellation	Rating 7.4 10,194 reviews	Search United Airlines flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 12,045 reviews	Search American Airlines flights
Southwest	PriceFrom $240	Free Cancellation	Rating 8.0 4,195 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 $128

Flights to Aguadillafrom $224

Flights to Poncefrom $257

Flights to Viequesfrom $500

Flights to Culebrafrom $436

Flights to Mayagüezfrom $333

Cheap flights from Buffalo to Puerto Rico from $93

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 12/7. 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

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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

Southwest flights from Buffalo to Puerto Rico

Our best Southwest 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