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

Frontier, American Airlines, and United Airlines 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 44% 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.

$76 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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8:58 pm - 8:29 pm

BUF

SJU

22h 31m1 stop

4:36 pm - 10:07 am

SJU

BUF

18h 31m1 stop

$177Frontier

Thu, Jan 15 - Sat, Jan 24

4:45 pm - 2:25 am

BUF

SJU

8h 40m1 stop

5:25 pm - 9:52 am

SJU

BUF

17h 27m1 stop

$181Frontier

Mon, Feb 23 - Sat, Feb 28

8:58 pm - 11:29 pm

BUF

SJU

25h 31m1 stop

4:36 pm - 10:07 am

SJU

BUF

18h 31m1 stop

$182Frontier

Thu, Jan 15 - Sat, Jan 24

8:30 pm - 4:11 am

BUF

SJU

6h 41m1 stop

5:25 pm - 9:52 am

SJU

BUF

17h 27m1 stop

$196Multiple Airlines

Sat, Feb 21 - Sat, Feb 28

3:00 pm - 10:32 pm

BUF

SJU

6h 32m1 stop

5:25 pm - 9:57 am

SJU

BUF

17h 32m1 stop

$197Multiple Airlines

Sat, Feb 21 - Thu, Feb 26

1:15 pm - 12:25 am

BUF

SJU

10h 10m1 stop

8:57 am - 7:11 pm

SJU

BUF

11h 14m1 stop

$201Frontier

Mon, Jan 12 - Sat, Jan 17

10:45 am - 12:36 am

BUF

SJU

12h 51m2 stops

2:05 am - 1:24 pm

SJU

BUF

12h 19m2 stops

$211United Airlines

Tue, Feb 3 - Mon, Feb 9

3:53 pm - 11:20 pm

BUF

BQN

6h 27m1 stop

4:35 pm - 11:33 pm

BQN

BUF

7h 58m1 stop

$229JetBlue

Mon, Feb 23 - Thu, Feb 26

3:05 pm - 11:59 pm

BUF

BQN

7h 54m1 stop

4:35 pm - 11:33 pm

BQN

BUF

7h 58m1 stop

$250JetBlue

Mon, Feb 23 - Thu, Feb 26

2:00 pm - 11:09 pm

BUF

BQN

9h 09m1 stop

12:15 am - 9:47 am

BQN

BUF

9h 32m2 stops

$333United Airlines

Thu, Apr 30 - Tue, May 5

Delta flights from Buffalo to Puerto Rico

Our best Delta deals on Buffalo to Puerto Rico flight tickets

Delta

Mar 1

BUF3:39 pmBuffalo

7h 20m

1 stop

SJU11:59 pmSan Juan Luis Munoz Marin Intl

Mar 4

SJU2:16 pmSan Juan Luis Munoz Marin Intl

10h 58m

1 stop

BUF12:14 amBuffalo

$245

Find similar

Delta

Jan 10

BUF7:00 amBuffalo

8h 50m

1 stop

SJU4:50 pmSan Juan Luis Munoz Marin Intl

Jan 14

SJU7:00 amSan Juan Luis Munoz Marin Intl

8h 58m

1 stop

BUF2:58 pmBuffalo

$246

Find similar

Delta

Jan 13

BUF6:03 amBuffalo

7h 07m

1 stop

SJU2:10 pmSan Juan Luis Munoz Marin Intl

Jan 14

SJU2:15 pmSan Juan Luis Munoz Marin Intl

11h 01m

1 stop

BUF12:16 amBuffalo

$280

Find similar

Frontier flights from Buffalo to Puerto Rico

Our best Frontier deals on Buffalo to Puerto Rico flight tickets

Frontier

Jan 15

BUF8:58 pmBuffalo

22h 31m

1 stop

SJU8:29 pmSan Juan Luis Munoz Marin Intl

Jan 24

SJU4:36 pmSan Juan Luis Munoz Marin Intl

18h 31m

1 stop

BUF10:07 amBuffalo

$177

Find similar

Frontier

Feb 23

BUF4:45 pmBuffalo

8h 40m

1 stop

SJU2:25 amSan Juan Luis Munoz Marin Intl

Feb 28

SJU5:25 pmSan Juan Luis Munoz Marin Intl

17h 27m

1 stop

BUF9:52 amBuffalo

$181

Find similar

Frontier

Jan 15

BUF8:58 pmBuffalo

25h 31m

1 stop

SJU11:29 pmSan Juan Luis Munoz Marin Intl

Jan 24

SJU4:36 pmSan Juan Luis Munoz Marin Intl

18h 31m

1 stop

BUF10:07 amBuffalo

$182

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 1/15

8:58 pm-8:29 pm

1 stop22h 31m

San Juan Luis Munoz Marin Intl

Sat 1/24

4:36 pm-10:07 am

1 stop18h 31m

$177

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 2/23

4:45 pm-2:25 am

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Sat 2/28

5:25 pm-9:52 am

1 stop17h 27m

$181

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 1/15

8:58 pm-11:29 pm

1 stop25h 31m

San Juan Luis Munoz Marin Intl

Sat 1/24

4:36 pm-10:07 am

1 stop18h 31m

$182

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 2/21

8:30 pm-4:11 am

1 stop6h 41m

San Juan Luis Munoz Marin Intl

Sat 2/28

5:25 pm-9:52 am

1 stop17h 27m

$196

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 2/21

3:00 pm-10:32 pm

1 stop6h 32m

San Juan Luis Munoz Marin Intl

Thu 2/26

5:25 pm-9:57 am

1 stop17h 32m

$197

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 1/12

1:15 pm-12:25 am

1 stop10h 10m

San Juan Luis Munoz Marin Intl

Sat 1/17

8:57 am-7:11 pm

1 stop11h 14m

$201

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 2/3

10:45 am-12:36 am

2 stops12h 51m

San Juan Luis Munoz Marin Intl

Mon 2/9

2:05 am-1:24 pm

2 stops12h 19m

$211

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Mon 2/23

3:53 pm-11:20 pm

1 stop6h 27m

Aguadilla Borinquen

Thu 2/26

4:35 pm-11:33 pm

1 stop7h 58m

$229

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Mon 2/23

3:05 pm-11:59 pm

1 stop7h 54m

Aguadilla Borinquen

Thu 2/26

4:35 pm-11:33 pm

1 stop7h 58m

$250

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Thu 4/30

2:00 pm-11:09 pm

1 stop9h 09m

Aguadilla Borinquen

Tue 5/5

12:15 am-9:47 am

2 stops9h 32m

$333

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 $321.

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 $390 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 $292 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	$230
Fastest flight time	3h 54m
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 $230. The best round-trip flight deal from Buffalo to Puerto Rico found on momondo in the last 72 hours is $158.

The fastest flight from Buffalo to Puerto Rico takes 3h 54m

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

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 $130	Free Cancellation	Rating 5.7 3,066 reviews	Search Frontier flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.9 8,020 reviews	Search Delta flights
Southwest	PriceFrom $225	Free Cancellation	Rating 8.0 4,252 reviews	Search Southwest flights
JetBlue	PriceFrom $230	Free Cancellation	Rating 7.2 2,903 reviews	Search JetBlue flights
United Airlines	PriceFrom $239	Free Cancellation	Rating 7.4 9,132 reviews	Search United Airlines flights
American Airlines	PriceFrom $241	Free Cancellation	Rating 7.2 11,072 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.

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 $75

Flights to Aguadillafrom $116

Flights to Mayagüezfrom $327

Cheap flights from Buffalo to Puerto Rico from $76

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 1/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Buffalo to Puerto Rico

Cheap round-trip flights

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Cheap last minute flights

Cheap direct flights

Delta flights from Buffalo to Puerto Rico

Our best Delta 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

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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?

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 $321.

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, American Airlines, and United Airlines 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