How long is the flight from Buffalo to San Juan?

Airlines like Southwest and Delta fly from Buffalo to San Juan in about 6h 30m. The time it takes to get you to your destination can typically vary by up to 41m. Buffalo and San Juan are separated by a distance of 2974 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines flying from Buffalo to San Juan round-trip?

Currently priced at C$ 166, Delta will fly you from Buffalo to San Juan and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and JetBlue - these airlines can fly you to your destination from C$ 235 and C$ 380, respectively. Delta is currently priced 69% below the average price you’ll pay for this route.

What is the cheapest day to fly from Buffalo to San Juan?

Travelers seeking maximum savings on their Buffalo to San Juan flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Juan ranges from 55.0 - 156.0 mm per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan when rainfall is around 55.0 mm.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

What are the most popular airlines that fly from Buffalo to San Juan?

When booking a flight from Buffalo to San Juan, you may want to consider flying on JetBlue, Delta or Frontier as they are the most popular for this route.

What is the cheapest day to fly round-trip from Buffalo to San Juan?

Users have found that flying from Buffalo to San Juan on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Buffalo to San Juan?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 45 days in advance, which can save you up to 60% on flights from Buffalo to San Juan compared to booking the week you need them. Waiting 45 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 414. For sooner than that we have options available in the next 3 days from C$ 765.

What is the cheapest month to fly from Buffalo to San Juan?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to San Juan. Flights to San Juan from Buffalo in September are about C$ 550 on average during September, but can be found for as low as C$ 231.

What airport do you fly from for flights from Buffalo to San Juan?

For a flight from Buffalo to San Juan, you will be flying from Buffalo. Buffalo (BUF) is just 13.4 km from the centre of the city. Buffalo is the only Buffalo airport and it handles 0 outbound flights to San Juan per day. 5 airlines have flights to San Juan from Buffalo on a regular basis.

Can I find deals for flights from Buffalo to San Juan that include hotel bookings?

Yes. In addition to deals on Buffalo to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Buffalo to San Juan?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to San Juan.

Can I find deals for business class flights from Buffalo to San Juan?

Yes. Cheapflights offers flight deals from Buffalo to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 156+ Flights from Buffalo to San Juan

Cheap flight deals from Buffalo to San Juan

Round-trip from	C$ 311
One-way from	C$ 156
Popular in	December
Cheapest in	September
Average price	C$ 422

Southwest
7/10-16/10
2 total stops
12h 50m total
Buffalo to San Juan

Search Deals

Southwest
7/10
1 total stop
6h 30m total
Buffalo to San Juan

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Buffalo to San Juan

Cheapest flights from Buffalo to San Juan
Explore the most affordable flight options available from Buffalo to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Tue 7/104:15 p.m.BUF - SJU

1 stop6h 30mSouthwest

Thu 16/105:50 a.m.SJU - BUF

1 stop6h 20mSouthwest

Deal found 14/9C$ 311

Mon 20/103:57 p.m.BUF - SJU

1 stop7h 59mDelta

Sat 25/107:00 a.m.SJU - BUF

1 stop8h 10mDelta

Deal found 15/9C$ 332

Sun 28/97:07 a.m.BUF - SJU

1 stop7h 37mUnited Airlines

Thu 2/101:30 p.m.SJU - BUF

1 stop9h 12mUnited Airlines

Deal found 14/9C$ 353

Sat 6/123:40 p.m.BUF - SJU

1 stop6h 20mSouthwest

Tue 9/125:45 a.m.SJU - BUF

2 stops9h 35mSouthwest

Deal found 13/9C$ 361

Wed 1/108:25 a.m.BUF - SJU

1 stop6h 30mSouthwest

Sun 5/105:45 a.m.SJU - BUF

1 stop10h 05mSouthwest

Deal found 12/9C$ 363

Thu 13/113:40 p.m.BUF - SJU

1 stop8h 45mSouthwest

Wed 19/112:05 p.m.SJU - BUF

2 stops8h 55mSouthwest

Deal found 13/9C$ 389

Fri 31/106:32 p.m.BUF - SJU

1 stop8h 16mJetBlue

Mon 3/1112:30 p.m.SJU - BUF

1 stop9h 04mJetBlue

Deal found 15/9C$ 390

Sat 11/109:45 p.m.BUF - SJU

1 stop11h 57mFrontier

Sat 18/107:58 p.m.SJU - BUF

1 stop16h 37mFrontier

Deal found 12/9C$ 393

Thu 2/103:55 p.m.BUF - SJU

1 stop9h 02mJetBlue

Sat 11/102:30 a.m.SJU - BUF

1 stop6h 23mJetBlue

Deal found 13/9C$ 401

Fri 10/104:15 p.m.BUF - SJU

1 stop8h 30mSouthwest

Fri 17/105:30 p.m.SJU - BUF

1 stop6h 20mSouthwest

Deal found 12/9C$ 422

Sat 11/104:00 p.m.BUF - SJU

1 stop7h 25mSouthwest

Thu 16/105:50 a.m.SJU - BUF

1 stop6h 20mSouthwest

Deal found 13/9C$ 425

Tue 14/106:30 a.m.BUF - SJU

1 stop7h 15mUnited Airlines

Mon 20/101:05 a.m.SJU - BUF

2 stops8h 38mUnited Airlines

Deal found 14/9C$ 440

Best flights from Buffalo to San Juan
Discover carefully curated flight deals from Buffalo to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 15 September 2025.

Tue 7/104:15 p.m.BUF - SJU

1 stop6h 30mSouthwest

Thu 16/105:50 a.m.SJU - BUF

1 stop6h 20mSouthwest

Deal found 13/9C$ 311

Sat 15/113:45 p.m.BUF - SJU

1 stop7h 11mDelta

Tue 18/113:20 p.m.SJU - BUF

1 stop8h 37mDelta

Deal found 13/9C$ 311

Sun 28/97:07 a.m.BUF - SJU

1 stop7h 37mUnited Airlines

Thu 2/101:30 p.m.SJU - BUF

1 stop9h 12mUnited Airlines

Deal found 14/9C$ 353

Thu 13/113:40 p.m.BUF - SJU

1 stop8h 45mSouthwest

Wed 19/116:40 a.m.SJU - BUF

1 stop6h 25mSouthwest

Deal found 13/9C$ 311

Mon 20/103:57 p.m.BUF - SJU

1 stop7h 59mDelta

Sat 25/107:00 a.m.SJU - BUF

1 stop8h 10mDelta

Deal found 13/9C$ 332

Thu 2/106:00 a.m.BUF - SJU

1 stop10h 31mDelta

Thu 9/101:06 p.m.SJU - BUF

1 stop10h 50mDelta

Deal found 13/9C$ 353

Sat 6/123:40 p.m.BUF - SJU

1 stop6h 20mSouthwest

Tue 9/125:45 a.m.SJU - BUF

2 stops9h 35mSouthwest

Deal found 13/9C$ 361

Last-minute flights from Buffalo to San Juan
Discover last-minute flight deals from Buffalo to San Juan. Data last updated 15 September 2025 and is based on user searches.

Sun 28/97:07 a.m.BUF - SJU

1 stop7h 37mUnited Airlines

Thu 2/101:30 p.m.SJU - BUF

1 stop9h 12mUnited Airlines

Deal found 14/9C$ 353

Wed 1/108:25 a.m.BUF - SJU

1 stop6h 30mSouthwest

Sun 5/105:45 a.m.SJU - BUF

1 stop10h 05mSouthwest

Deal found 12/9C$ 363

Wed 1/106:30 a.m.BUF - SJU

2 stops14h 08mUnited Airlines

Tue 7/101:30 p.m.SJU - BUF

1 stop9h 12mUnited Airlines

Deal found 14/9C$ 442

Thu 2/103:55 p.m.BUF - SJU

1 stop9h 02mJetBlue

Sat 11/102:30 a.m.SJU - BUF

1 stop6h 23mJetBlue

Deal found 13/9C$ 401

Tue 7/104:15 p.m.BUF - SJU

1 stop6h 30mSouthwest

Thu 16/105:50 a.m.SJU - BUF

1 stop6h 20mSouthwest

Deal found 14/9C$ 311

Fri 10/104:15 p.m.BUF - SJU

1 stop8h 30mSouthwest

Fri 17/105:30 p.m.SJU - BUF

1 stop6h 20mSouthwest

Deal found 12/9C$ 422

Sat 11/109:45 p.m.BUF - SJU

1 stop11h 57mFrontier

Sat 18/107:58 p.m.SJU - BUF

1 stop16h 37mFrontier

Deal found 12/9C$ 393

Sat 11/104:00 p.m.BUF - SJU

1 stop7h 25mSouthwest

Thu 16/105:50 a.m.SJU - BUF

1 stop6h 20mSouthwest

Deal found 13/9C$ 425

Tue 14/106:30 a.m.BUF - SJU

1 stop7h 15mUnited Airlines

Mon 20/101:05 a.m.SJU - BUF

2 stops8h 38mUnited Airlines

Deal found 14/9C$ 440

Mon 20/103:57 p.m.BUF - SJU

1 stop7h 59mDelta

Sat 25/107:00 a.m.SJU - BUF

1 stop8h 10mDelta

Deal found 15/9C$ 332

Fri 31/106:32 p.m.BUF - SJU

1 stop8h 16mJetBlue

Mon 3/1112:30 p.m.SJU - BUF

1 stop9h 04mJetBlue

Deal found 15/9C$ 390

One-way flights from Buffalo to San Juan
Search for one-way flight options from Buffalo to San Juan. Find affordable one-way fares based on user searches. Data last updated 15 September 2025.

Tue 7/104:15 p.m.BUF - SJU

1 stop6h 30mSouthwest

Deal found 13/9C$ 156

Tue 14/107:00 a.m.BUF - SJU

1 stop9h 25mDelta

Deal found 14/9C$ 177

Wed 15/105:30 a.m.BUF - SJU

2 stops11h 45mSouthwest

Deal found 12/9C$ 267

Thu 18/910:55 a.m.BUF - SJU

2 stops13h 02mUnited Airlines

Deal found 14/9C$ 321

Wed 26/112:45 p.m.BUF - SJU

2 stops9h 55mSouthwest

Deal found 15/9C$ 378

Tue 25/116:00 a.m.BUF - SJU

2 stops10h 20mSouthwest

Deal found 15/9C$ 394

Tue 25/111:52 p.m.BUF - SJU

3 stops27h 33mUnited Airlines

Deal found 15/9C$ 669

Sun 30/116:00 a.m.BUF - SJU

2 stops10h 20mSouthwest

Deal found 13/9C$ 675

Sun 30/1110:00 p.m.BUF - SJU

3 stops15h 40mUnited Airlines

Deal found 13/9C$ 1,828

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 7/10

4:15 p.m.-10:45 p.m.

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Thu 16/10

5:50 a.m.-12:10 p.m.

1 stop6h 20m

C$ 311

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 15/11

3:45 p.m.-11:56 p.m.

1 stop7h 11m

San Juan Luis Munoz Marin Intl

Tue 18/11

3:20 p.m.-10:57 p.m.

1 stop8h 37m

C$ 311

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 13/11

3:40 p.m.-1:25 a.m.

1 stop8h 45m

San Juan Luis Munoz Marin Intl

Wed 19/11

6:40 a.m.-12:05 p.m.

1 stop6h 25m

C$ 311

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 20/10

3:57 p.m.-11:56 p.m.

1 stop7h 59m

San Juan Luis Munoz Marin Intl

Sat 25/10

7:00 a.m.-3:10 p.m.

1 stop8h 10m

C$ 332

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 28/9

7:07 a.m.-2:44 p.m.

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Thu 2/10

1:30 p.m.-10:42 p.m.

1 stop9h 12m

C$ 353

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 2/10

6:00 a.m.-4:31 p.m.

1 stop10h 31m

San Juan Luis Munoz Marin Intl

Thu 9/10

1:06 p.m.-11:56 p.m.

1 stop10h 50m

C$ 353

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 6/12

3:40 p.m.-11:00 p.m.

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Tue 9/12

5:45 a.m.-2:20 p.m.

2 stops9h 35m

C$ 361

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 27/10

5:45 p.m.-12:45 a.m.

1 stop7h 00m

C$ 156

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 8/10

6:30 a.m.-1:45 p.m.

1 stop7h 15m

C$ 156

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 7/10

4:15 p.m.-10:45 p.m.

1 stop6h 30m

C$ 156

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 16 results

Best time to book a flight from Buffalo to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Buffalo with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to San Juan

How far ahead should I book a flight from Buffalo to San Juan?

Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Buffalo to San Juan?

Currently, April is the cheapest month in which you can book a flight from Buffalo to San Juan (average of C$ 254). Flying from Buffalo to San Juan in July is currently the most expensive (average of C$ 580). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUF to SJU?

One of the essential ways to save on airfare from Buffalo to San Juan is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 15% on airfare.

Reviews of airlines servicing San Juan

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,242 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,242 reviews

Southwest

8.0

Very good

4,242 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

8.0

Very good

7,954 reviews

Southwest

8.0

Very good

4,242 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,929 reviews

Southwest

8.0

Very good

4,242 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

JetBlue

7.2

Good

2,912 reviews

Southwest

8.0

Very good

4,242 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Frontier

5.8

Fair

3,172 reviews

Southwest

8.0

Very good

4,242 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

What airport do you fly from for flights from Buffalo to San Juan?
For a flight from Buffalo to San Juan, you will be flying from Buffalo. Buffalo (BUF) is just 13.4 km from the centre of the city. Buffalo is the only Buffalo airport and it handles 0 outbound flights to San Juan per day. 5 airlines have flights to San Juan from Buffalo on a regular basis.
How long is the flight from Buffalo to San Juan?
Airlines like Southwest and Delta fly from Buffalo to San Juan in about 6h 30m. The time it takes to get you to your destination can typically vary by up to 41m. Buffalo and San Juan are separated by a distance of 2974 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Buffalo to San Juan round-trip?
Currently priced at C$ 166, Delta will fly you from Buffalo to San Juan and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and JetBlue - these airlines can fly you to your destination from C$ 235 and C$ 380, respectively. Delta is currently priced 69% below the average price you’ll pay for this route.
Can I find deals for flights from Buffalo to San Juan that include hotel bookings?
Yes. In addition to deals on Buffalo to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Buffalo to San Juan?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to San Juan.
Can I find deals for business class flights from Buffalo to San Juan?
Yes. Cheapflights offers flight deals from Buffalo to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Buffalo to San Juan?
Currently, April is the cheapest month in which you can book a flight from Buffalo to San Juan (average of C$ 254). Flying from Buffalo to San Juan in July is currently the most expensive (average of C$ 580). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Buffalo to San Juan

Newark to Luis Munoz Marin Intl flights

John F Kennedy Intl to Luis Munoz Marin Intl flights

Buffalo to Luis Munoz Marin Intl flights

Complete your trip

San Juan car rentals

San Juan Luis Munoz Marin Intl Airport car rentals

Ponce Mercedita Airport car rentals

San Juan Isla Grande Airport car rentals

Vieques Airport car rentals

Aguadilla car rentals

Condado car rentals

Santurce car rentals

San Juan Antiguo car rentals

Hato Rey Sur car rentals

Hato Rey Norte car rentals

Gobernador Piñero car rentals

Top 5 airlines flying from Buffalo to San Juan

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 166	AverageC$ 623	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Frontier	CheapestC$ 235	AverageC$ 381	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
JetBlue	CheapestC$ 380	AverageC$ 582	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Southwest	CheapestC$ 393	AverageC$ 690	FlexibilityNo cancel fee	On-time63%	Search Southwest flights
United Airlines	CheapestC$ 522	AverageC$ 856	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Buffalo to San Juan?

Cheapflights makes it easy to find Buffalo to San Juan flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to San Juan?

Millions of users choose and trust Cheapflights to book the best flight deals from Buffalo to San Juan for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Buffalo to San Juan with no change fees?

Need flexible booking options for your flight to San Juan from Buffalo? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Buffalo to San Juan become cheaper?

Yes! Start tracking prices for Buffalo to San Juan flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Buffalo to San Juan from C$ 156

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Buffalo to San Juan

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Buffalo to San Juan

Cheapest flights from Buffalo to San JuanExplore the most affordable flight options available from Buffalo to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Explore the most affordable flight options available from Buffalo to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Buffalo to San Juan that are best for you.

Best time to book a flight from Buffalo to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Buffalo with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to San Juan

How far ahead should I book a flight from Buffalo to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to San Juan. Price data was last updated on 12 September 2025.

What is the cheapest month to book a flight from Buffalo to San Juan?

What is the cheapest time of day to fly from BUF to SJU?

Find hourly flight availability from Buffalo to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

Reviews of airlines servicing San Juan

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Buffalo to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Buffalo to San Juan?

How long is the flight from Buffalo to San Juan?

What are the cheapest airlines flying from Buffalo to San Juan round-trip?

Can I find deals for flights from Buffalo to San Juan that include hotel bookings?

How can I find direct flights from Buffalo to San Juan?

Can I find deals for business class flights from Buffalo to San Juan?

What is the cheapest month to book a flight from Buffalo to San Juan?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Buffalo to San Juan

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to San Juan?

Why should you use Cheapflights to find cheap flight tickets from Buffalo to San Juan?

Can Cheapflights find flights from Buffalo to San Juan with no change fees?

Can Cheapflights notify me if prices for flights from Buffalo to San Juan become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Buffalo to San Juan
Explore the most affordable flight options available from Buffalo to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.