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

Frontier, JetBlue, and American 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 42% 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 December 2025.

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 2025/26

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5:05 pm - 12:35 am

BUF

SJU

6h 30m1 stop

5:35 am - 12:05 pm

SJU

BUF

7h 30m1 stop

$225Southwest

Wed, Feb 4 - Mon, Feb 9

6:00 am - 5:01 pm

BUF

SJU

10h 01m2 stops

7:00 am - 3:34 pm

SJU

BUF

9h 34m1 stop

$231American Airlines

Tue, Feb 3 - Tue, Feb 10

8:58 pm - 11:29 pm

BUF

SJU

25h 31m1 stop

8:00 am - 10:07 am

SJU

BUF

27h 07m1 stop

$232Frontier

Thu, Jan 15 - Sat, Jan 24

8:06 pm - 1:36 pm

BUF

SJU

16h 30m1 stop

4:36 pm - 11:34 am

SJU

BUF

19h 58m1 stop

$234Frontier

Sat, Jan 17 - Fri, Jan 23

7:42 pm - 11:41 am

BUF

SJU

14h 59m1 stop

1:58 pm - 11:38 pm

SJU

BUF

10h 40m1 stop

$236American Airlines

Sat, Feb 28 - Wed, Mar 4

12:14 pm - 8:58 pm

BUF

SJU

7h 44m1 stop

7:00 am - 2:58 pm

SJU

BUF

8h 58m1 stop

$240Delta

Thu, Jan 29 - Wed, Feb 4

7:39 pm - 2:56 am

BUF

BQN

7h 17m1 stop

6:05 am - 3:10 pm

BQN

BUF

9h 05m1 stop

$244JetBlue

Tue, Jun 2 - Wed, Jun 3

7:30 pm - 3:50 am

BUF

SJU

7h 20m1 stop

3:05 pm - 11:33 pm

SJU

BUF

9h 28m1 stop

$247JetBlue

Mon, Mar 2 - Wed, Mar 4

2:54 pm - 11:57 pm

BUF

BQN

32h 03m2 stops

1:09 am - 1:17 pm

BQN

BUF

13h 08m2 stops

$1,049United Airlines

Fri, Feb 13 - Mon, Feb 23

6:30 am - 11:57 pm

BUF

BQN

16h 27m3 stops

1:09 am - 9:51 am

BQN

BUF

9h 42m2 stops

$1,589United Airlines

Tue, Dec 23 - Fri, Dec 26

American Airlines flights from Buffalo to Puerto Rico

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

American Airlines

Feb 3

BUF6:00 amBuffalo

10h 01m

2 stops

SJU5:01 pmSan Juan Luis Munoz Marin Intl

Feb 10

SJU7:00 amSan Juan Luis Munoz Marin Intl

9h 34m

1 stop

BUF3:34 pmBuffalo

$231

Find similar

American Airlines

Feb 28

BUF7:42 pmBuffalo

14h 59m

1 stop

SJU11:41 amSan Juan Luis Munoz Marin Intl

Mar 4

SJU1:58 pmSan Juan Luis Munoz Marin Intl

9h 39m

2 stops

BUF10:37 pmBuffalo

$236

Find similar

American Airlines

Feb 3

BUF5:12 amBuffalo

10h 49m

2 stops

SJU5:01 pmSan Juan Luis Munoz Marin Intl

Feb 10

SJU6:00 amSan Juan Luis Munoz Marin Intl

10h 34m

2 stops

BUF3:34 pmBuffalo

$250

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

25h 31m

1 stop

SJU11:29 pmSan Juan Luis Munoz Marin Intl

Jan 24

SJU8:00 amSan Juan Luis Munoz Marin Intl

27h 07m

1 stop

BUF10:07 amBuffalo

$232

Find similar

Frontier

Jan 17

BUF8:06 pmBuffalo

16h 30m

1 stop

SJU1:36 pmSan Juan Luis Munoz Marin Intl

Jan 23

SJU4:36 pmSan Juan Luis Munoz Marin Intl

19h 58m

1 stop

BUF11:34 amBuffalo

$234

Find similar

Frontier

Dec 11

BUF4:55 pmBuffalo

20h 34m

1 stop

SJU2:29 pmSan Juan Luis Munoz Marin Intl

Dec 14

SJU3:55 amSan Juan Luis Munoz Marin Intl

11h 20m

1 stop

BUF2:15 pmBuffalo

$252

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 2/4

5:05 pm-12:35 am

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Mon 2/9

5:35 am-12:05 pm

1 stop7h 30m

$225

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 2/3

6:00 am-5:01 pm

2 stops10h 01m

San Juan Luis Munoz Marin Intl

Tue 2/10

7:00 am-3:34 pm

1 stop9h 34m

$231

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

8:00 am-10:07 am

1 stop27h 07m

$232

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 1/17

8:06 pm-1:36 pm

1 stop16h 30m

San Juan Luis Munoz Marin Intl

Fri 1/23

4:36 pm-11:34 am

1 stop19h 58m

$234

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 2/28

7:42 pm-11:41 am

1 stop14h 59m

San Juan Luis Munoz Marin Intl

Wed 3/4

1:58 pm-11:38 pm

1 stop10h 40m

$236

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 1/29

12:14 pm-8:58 pm

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Wed 2/4

7:00 am-2:58 pm

1 stop8h 58m

$240

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Tue 6/2

7:39 pm-2:56 am

1 stop7h 17m

Aguadilla Borinquen

Wed 6/3

6:05 am-3:10 pm

1 stop9h 05m

$244

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 3/2

7:30 pm-3:50 am

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Wed 3/4

3:05 pm-11:33 pm

1 stop9h 28m

$247

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Fri 2/13

2:54 pm-11:57 pm

2 stops32h 03m

Aguadilla Borinquen

Mon 2/23

1:09 am-1:17 pm

2 stops13h 08m

$1,049

BuffaloAguadilla

BUF - BQN

BUFBQN

Buffalo

Tue 12/23

6:30 am-11:57 pm

3 stops16h 27m

Aguadilla Borinquen

Fri 12/26

1:09 am-9:51 am

2 stops9h 42m

$1,589

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 $339.

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 $374. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Sunday, with ticket prices averaging around $468.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Buffalo to Puerto Rico during this time can be as low as $325. In contrast, the most expensive time of day to depart to Puerto Rico is at noon when prices are around $468.

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 $396 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.

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

Fastest flight time	4h 15m
Direct flights	Tue, Thu, Sat and Sun
Airports in Puerto Rico	1 airport

The fastest flight from Buffalo to Puerto Rico takes 4h 15m

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

There is 1 airport near Puerto Rico: 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 December 2025.
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.

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 5.8 3,085 reviews	Search Frontier flights
Delta	PriceFrom $152	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
Southwest	PriceFrom $225	Free Cancellation	Rating 7.9 4,252 reviews	Search Southwest flights
JetBlue	PriceFrom $245	Free Cancellation	Rating 7.2 2,899 reviews	Search JetBlue flights
United Airlines	PriceFrom $250	Free Cancellation	Rating 7.4 9,089 reviews	Search United Airlines flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.2 11,043 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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Thu 1/8

Thu 1/15

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Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Flights to San Juanfrom $105

Flights to Aguadillafrom $166

Flights to Mayagüezfrom $336

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 1/15. 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

Price Alerts

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Find the cheapest flights from Buffalo to Puerto Rico

Cheap round-trip flights

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Cheap last minute flights

Cheap direct flights

American Airlines flights from Buffalo to Puerto Rico

Our best American Airlines 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

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

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 $339.

What is the cheapest day to depart on your flight to Puerto Rico?

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Buffalo to Puerto Rico during this time can be as low as $325. In contrast, the most expensive time of day to depart to Puerto Rico is at noon when prices are around $468.

How far in advance should I book a flight to Puerto Rico?

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, JetBlue, and American 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

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?

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