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

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

What airlines fly to Puerto Rico?

JetBlue, Southwest and Delta 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 45% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 7 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 January 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.

$91 Cheap Flights from Buffalo to Puerto Rico in 2026

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Find the cheapest flights from Buffalo to Puerto Rico

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One-way

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7:31 pm - 12:57 pm

BUF

SJU

16h 26m

1 stop

1:52 pm - 10:49 am

SJU

BUF

21h 57m

1 stop

$182Frontier

lun., feb. 9 - sáb., feb. 14

11:07 am - 2:25 am

BUF

SJU

14h 18m

1 stop

3:53 am - 10:49 am

SJU

BUF

7h 56m

1 stop

$203Frontier

jue., feb. 19 - dom., mar. 1

11:17 am - 2:53 am

BUF

SJU

14h 36m

1 stop

5:25 pm - 9:52 am

SJU

BUF

17h 27m

1 stop

$204Frontier

lun., feb. 23 - sáb., feb. 28

8:30 am - 10:22 pm

BUF

SJU

12h 52m

2 stops

8:35 am - 7:25 pm

SJU

BUF

11h 50m

2 stops

$212United Airlines

sáb., ene. 31 - jue., feb. 5

7:30 pm - 3:51 am

BUF

SJU

7h 21m

1 stop

10:59 pm - 9:35 am

SJU

BUF

10h 36m

1 stop

$213JetBlue

mar., mar. 3 - mar., mar. 10

6:07 pm - 2:29 am

BUF

SJU

7h 22m

1 stop

5:25 pm - 9:57 am

SJU

BUF

17h 32m

1 stop

$217Frontier

dom., feb. 22 - jue., feb. 26

1:20 pm - 8:55 pm

BUF

SJU

6h 35m

1 stop

6:00 am - 11:40 am

SJU

BUF

6h 40m

1 stop

$226Southwest

sáb., feb. 28 - jue., mar. 5

7:35 pm - 3:51 am

BUF

SJU

7h 16m

1 stop

6:10 am - 12:44 pm

SJU

BUF

7h 34m

1 stop

$227JetBlue

dom., mar. 1 - mié., mar. 4

8:30 am - 9:26 pm

BUF

SJU

11h 56m

2 stops

8:10 am - 2:14 pm

SJU

BUF

7h 04m

1 stop

$228United Airlines

sáb., ene. 31 - mar., feb. 3

11:23 am - 9:49 pm

BUF

SJU

9h 26m

2 stops

12:30 pm - 10:49 pm

SJU

BUF

11h 19m

2 stops

$232American Airlines

dom., feb. 22 - jue., feb. 26

Frontier flights from Buffalo to Puerto Rico

Our best Frontier deals on Buffalo to Puerto Rico flight tickets

Frontier

Feb 9

BUF7:31 pmBuffalo

16h 26m

1 stop

SJU12:57 pmSan Juan Luis Munoz Marin Intl

Feb 14

SJU1:52 pmSan Juan Luis Munoz Marin Intl

21h 57m

1 stop

BUF10:49 amBuffalo

$182

Frontier

Feb 19

BUF11:07 amBuffalo

14h 18m

1 stop

SJU2:25 amSan Juan Luis Munoz Marin Intl

Mar 1

SJU3:53 amSan Juan Luis Munoz Marin Intl

7h 56m

1 stop

BUF10:49 amBuffalo

$203

Frontier

Feb 23

BUF11:17 amBuffalo

14h 36m

1 stop

SJU2:53 amSan Juan Luis Munoz Marin Intl

Feb 28

SJU5:25 pmSan Juan Luis Munoz Marin Intl

17h 27m

1 stop

BUF9:52 amBuffalo

$204

JetBlue flights from Buffalo to Puerto Rico

Our best JetBlue deals on Buffalo to Puerto Rico flight tickets

JetBlue

Mar 3

BUF7:30 pmBuffalo

7h 21m

1 stop

SJU3:51 amSan Juan Luis Munoz Marin Intl

Mar 10

SJU10:59 pmSan Juan Luis Munoz Marin Intl

10h 36m

1 stop

BUF9:35 amBuffalo

$213

JetBlue

Mar 1

BUF7:35 pmBuffalo

7h 16m

1 stop

SJU3:51 amSan Juan Luis Munoz Marin Intl

Mar 4

SJU6:10 amSan Juan Luis Munoz Marin Intl

7h 34m

1 stop

BUF12:44 pmBuffalo

$227

JetBlue

Feb 23

BUF3:05 pmBuffalo

7h 54m

1 stop

BQN11:59 pmAguadilla Borinquen

Feb 25

BQN2:30 amAguadilla Borinquen

8h 05m

1 stop

BUF9:35 amBuffalo

$253

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

lun. 2/9

7:31 pm-12:57 pm

1 stop16h 26m

San Juan Luis Munoz Marin Intl

sáb. 2/14

1:52 pm-10:49 am

1 stop21h 57m

$182

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

jue. 2/19

11:07 am-2:25 am

1 stop14h 18m

San Juan Luis Munoz Marin Intl

dom. 3/1

3:53 am-10:49 am

1 stop7h 56m

$203

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

lun. 2/23

11:17 am-2:53 am

1 stop14h 36m

San Juan Luis Munoz Marin Intl

sáb. 2/28

5:25 pm-9:52 am

1 stop17h 27m

$204

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

sáb. 1/31

8:30 am-10:22 pm

2 stops12h 52m

San Juan Luis Munoz Marin Intl

jue. 2/5

8:35 am-7:25 pm

2 stops11h 50m

$212

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

mar. 3/3

7:30 pm-3:51 am

1 stop7h 21m

San Juan Luis Munoz Marin Intl

mar. 3/10

10:59 pm-9:35 am

1 stop10h 36m

$213

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

dom. 2/22

6:07 pm-2:29 am

1 stop7h 22m

San Juan Luis Munoz Marin Intl

jue. 2/26

5:25 pm-9:57 am

1 stop17h 32m

$217

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

sáb. 2/28

1:20 pm-8:55 pm

1 stop6h 35m

San Juan Luis Munoz Marin Intl

jue. 3/5

6:00 am-11:40 am

1 stop6h 40m

$226

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

dom. 3/1

7:35 pm-3:51 am

1 stop7h 16m

San Juan Luis Munoz Marin Intl

mié. 3/4

6:10 am-12:44 pm

1 stop7h 34m

$227

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

sáb. 1/31

8:30 am-9:26 pm

2 stops11h 56m

San Juan Luis Munoz Marin Intl

mar. 2/3

8:10 am-2:14 pm

1 stop7h 04m

$228

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

dom. 2/22

11:23 am-9:49 pm

2 stops9h 26m

San Juan Luis Munoz Marin Intl

jue. 2/26

12:30 pm-10:49 pm

2 stops11h 19m

$232

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 September, then you should wait until May to fly from Buffalo, when ticket prices are also cheap, with an average price of $319.

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 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 $296 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?

No. A direct flight is the cheapest option for a flight between Buffalo to Puerto Rico.

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	$395
Fastest flight time	3h 49m
Direct flights	Tue, Thu, Sat and Sun
Airports in Puerto Rico	20 airports

The best flight deal from Buffalo to Puerto Rico found on momondo in the last 72 hours is $395

The fastest flight from Buffalo to Puerto Rico takes 3h 49m

Direct flights go from Buffalo to Puerto Rico on Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

There are 20 airports in Puerto Rico. From Buffalo there are direct flights to San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

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 January 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
Frontier	PriceFrom $129	Free Cancellation	Rating 5.7 3,057 reviews	Search Frontier flights
Delta	PriceFrom $130	Free Cancellation	Rating 7.9 8,088 reviews	Search Delta flights
JetBlue	PriceFrom $209	Free Cancellation	Rating 7.2 2,890 reviews	Search JetBlue flights
Southwest	PriceFrom $225	Free Cancellation	Rating 8.0 4,266 reviews	Search Southwest flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.2 11,173 reviews	Search American Airlines flights
United Airlines	PriceFrom $239	Free Cancellation	Rating 7.4 9,191 reviews	Search United 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.

Start using Trips

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Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Flights to San Juanfrom $57

Flights to Aguadillafrom $179

Flights to Mayagüezfrom $325

Cheap flights from Buffalo to Puerto Rico from $91

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 4/11. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Buffalo to Puerto Rico

Cheap round-trip flights

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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

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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?

If you don’t want to visit Puerto Rico in September, then you should wait until May to fly from Buffalo, when ticket prices are also cheap, with an average price of $319.

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 to Puerto Rico?

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?

No. A direct flight is the cheapest option for a flight between Buffalo to Puerto Rico.

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

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

What airlines fly to Puerto Rico?

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

Fastest flight time

Direct flights

Airports in Puerto Rico

When did momondo last update prices for flights from Buffalo Airport to Puerto Rico?

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?

What documentation or ID do you need to fly to Puerto Rico?

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

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Puerto Rico?

Can I find flights from Buffalo to Puerto Rico with flexible booking policies on momondo?

How can momondo help me find flights from Buffalo to Puerto Rico?

I’m not ready to book a flight from Buffalo to Puerto Rico right now. Can momondo alert me if 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.

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