How long is the flight from Buffalo to San Juan?

Airlines like United Airlines, Delta, and Frontier fly from Buffalo to San Juan in about 6h 36m. The time it takes to get you to your destination can typically vary by up to 7h 46m. 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$ 165, 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 Southwest - these airlines can fly you to your destination from C$ 231 and C$ 310, respectively. Delta is currently priced 69% below the average price you’ll pay for this route.

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, Southwest or Frontier as they are the most popular for this route.

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. 4 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$ 165+ Flights from Buffalo to San Juan

Cheap flight deals from Buffalo to San Juan

Enter your travel dates to find the best prices.

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 16 December 2025.

Mon 15/1210:30 a.m.BUF - SJU

1 stop9h 30mUnited Airlines

Sun 21/128:10 a.m.SJU - BUF

1 stop9h 44mUnited Airlines

Deal found 14/12C$ 423

Tue 16/127:00 a.m.BUF - SJU

2 stops13h 26mUnited Airlines

Wed 24/128:10 a.m.SJU - BUF

1 stop9h 44mUnited Airlines

Deal found 16/12C$ 434

Sat 20/128:14 p.m.BUF - SJU

1 stop11h 44mFrontier

Mon 29/123:55 a.m.SJU - BUF

1 stop9h 57mFrontier

Deal found 15/12C$ 518

Tue 16/1212:35 p.m.BUF - SJU

1 stop9h 45mSouthwest

Wed 24/124:30 p.m.SJU - BUF

1 stop6h 30mSouthwest

Deal found 16/12C$ 545

Mon 15/1212:35 p.m.BUF - SJU

2 stops8h 30mSouthwest

Sun 21/126:15 p.m.SJU - BUF

1 stop6h 50mSouthwest

Deal found 14/12C$ 547

Sun 21/127:58 p.m.BUF - SJU

1 stop27h 56mFrontier

Tue 30/126:00 a.m.SJU - BUF

1 stop7h 52mFrontier

Deal found 14/12C$ 552

Fri 19/122:50 p.m.BUF - SJU

1 stop6h 32mUnited Airlines

Wed 24/1210:15 a.m.SJU - BUF

2 stops14h 18mUnited Airlines

Deal found 15/12C$ 611

Tue 23/127:58 p.m.BUF - SJU

1 stop12h 00mFrontier

Mon 29/127:25 a.m.SJU - BUF

1 stop10h 20mFrontier

Deal found 14/12C$ 613

Tue 16/1212:35 p.m.BUF - SJU

2 stops8h 30mSouthwest

Mon 29/129:50 p.m.SJU - BUF

1 stop13h 50mSouthwest

Deal found 13/12C$ 637

Tue 23/126:10 a.m.BUF - SJU

1 stop7h 23mDelta

Mon 29/124:48 p.m.SJU - BUF

1 stop7h 40mDelta

Deal found 16/12C$ 716

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 16 December 2025.

Sat 24/12:49 p.m.BUF - SJU

2 stops14h 22mUnited Airlines

Wed 28/18:35 a.m.SJU - BUF

1 stop9h 09mUnited Airlines

Deal found 14/12C$ 315

Sun 1/312:14 p.m.BUF - SJU

1 stop10h 44mDelta

Wed 11/37:30 a.m.SJU - BUF

1 stop8h 29mDelta

Deal found 15/12C$ 335

Tue 3/37:17 p.m.BUF - SJU

1 stop6h 36mFrontier

Sat 7/33:08 a.m.SJU - BUF

1 stop7h 41mFrontier

Deal found 15/12C$ 339

Mon 2/37:30 p.m.BUF - SJU

1 stop7h 20mJetBlue

Wed 4/311:59 p.m.SJU - BUF

1 stop10h 29mJetBlue

Deal found 13/12C$ 340

Mon 2/312:14 p.m.BUF - SJU

1 stop10h 44mDelta

Wed 4/37:00 a.m.SJU - BUF

1 stop8h 56mDelta

Deal found 14/12C$ 336

Tue 3/37:30 p.m.BUF - SJU

1 stop7h 20mJetBlue

Tue 10/310:59 p.m.SJU - BUF

1 stop10h 28mJetBlue

Deal found 14/12C$ 340

Sat 7/212:29 p.m.BUF - SJU

1 stop10h 30mFrontier

Sun 15/23:53 a.m.SJU - BUF

1 stop7h 14mFrontier

Deal found 14/12C$ 344

Mon 2/37:30 p.m.BUF - SJU

1 stop7h 20mJetBlue

Tue 10/310:59 p.m.SJU - BUF

1 stop10h 28mJetBlue

Deal found 14/12C$ 340

Mon 2/37:30 p.m.BUF - SJU

1 stop7h 20mJetBlue

Thu 12/35:10 a.m.SJU - BUF

1 stop7h 24mJetBlue

Deal found 15/12C$ 348

Direct flights from Buffalo to San Juan
Explore direct flight options from Buffalo to San Juan based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 December 2025.

Sat 2/57:20 a.m.BUF - SJU

Nonstop4h 15mJetBlue

Mon 11/56:20 p.m.SJU - BUF

Nonstop4h 25mJetBlue

Deal found 15/12C$ 597

Sat 30/57:20 a.m.BUF - SJU

Nonstop4h 15mJetBlue

Mon 8/66:20 p.m.SJU - BUF

Nonstop4h 25mJetBlue

Deal found 15/12C$ 721

Wed 1/47:20 a.m.BUF - SJU

Nonstop4h 15mJetBlue

Wed 8/46:20 p.m.SJU - BUF

Nonstop4h 25mJetBlue

Deal found 14/12C$ 1,231

Mon 6/47:20 a.m.BUF - SJU

Nonstop4h 15mJetBlue

Wed 22/46:20 p.m.SJU - BUF

Nonstop4h 25mJetBlue

Deal found 14/12C$ 1,245

Fri 27/37:20 a.m.BUF - SJU

Nonstop4h 15mJetBlue

Sat 4/46:20 p.m.SJU - BUF

Nonstop4h 25mJetBlue

Deal found 14/12C$ 1,520

Sat 4/47:20 a.m.BUF - SJU

Nonstop4h 15mJetBlue

Fri 10/46:20 p.m.SJU - BUF

Nonstop4h 25mJetBlue

Deal found 16/12C$ 1,616

Last-minute flights from Buffalo to San Juan
Discover last-minute flight deals from Buffalo to San Juan. Data last updated 16 December 2025 and is based on user searches.

Mon 15/1210:30 a.m.BUF - SJU

1 stop9h 30mUnited Airlines

Sun 21/128:10 a.m.SJU - BUF

1 stop9h 44mUnited Airlines

Deal found 14/12C$ 423

Tue 16/127:00 a.m.BUF - SJU

2 stops13h 26mUnited Airlines

Wed 24/128:10 a.m.SJU - BUF

1 stop9h 44mUnited Airlines

Deal found 16/12C$ 434

Mon 12/18:30 a.m.BUF - SJU

2 stops15h 06mUnited Airlines

Thu 15/18:10 a.m.SJU - BUF

2 stops13h 19mUnited Airlines

Deal found 15/12C$ 457

Fri 23/13:25 p.m.BUF - SJU

1 stop7h 23mJetBlue

Thu 29/12:20 p.m.SJU - BUF

1 stop10h 27mJetBlue

Deal found 15/12C$ 337

Fri 23/18:30 a.m.BUF - SJU

2 stops12h 52mUnited Airlines

Fri 30/12:05 a.m.SJU - BUF

2 stops12h 19mUnited Airlines

Deal found 14/12C$ 388

Fri 23/112:38 p.m.BUF - SJU

2 stops10h 18mAmerican Airlines

Thu 29/13:49 p.m.SJU - BUF

1 stop8h 52mAmerican Airlines

Deal found 15/12C$ 405

Fri 23/18:30 a.m.BUF - SJU

2 stops12h 52mUnited Airlines

Thu 29/18:10 a.m.SJU - BUF

2 stops13h 19mUnited Airlines

Deal found 16/12C$ 476

Sat 24/12:49 p.m.BUF - SJU

2 stops14h 22mUnited Airlines

Wed 28/18:35 a.m.SJU - BUF

1 stop9h 09mUnited Airlines

Deal found 14/12C$ 315

Sun 25/18:30 a.m.BUF - SJU

2 stops12h 52mUnited Airlines

Thu 29/18:35 a.m.SJU - BUF

2 stops11h 50mUnited Airlines

Deal found 15/12C$ 333

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 16 December 2025.

Thu 22/112:20 p.m.BUF - SJU

1 stop9h 50mSouthwest

Deal found 15/12C$ 165

Thu 22/17:00 a.m.BUF - SJU

1 stop12h 50mAmerican Airlines

Deal found 15/12C$ 186

Thu 22/11:39 p.m.BUF - SJU

2 stops24h 37mFrontier

Deal found 15/12C$ 193

Tue 17/23:00 p.m.BUF - SJU

1 stop7h 59mJetBlue

Deal found 14/12C$ 194

Sun 11/18:30 a.m.BUF - SJU

2 stops11h 56mUnited Airlines

Deal found 15/12C$ 197

Tue 13/110:25 a.m.BUF - SJU

1 stop6h 40mJetBlue

Deal found 16/12C$ 202

Thu 22/11:39 p.m.BUF - SJU

3 stops28h 47mMultiple Airlines

Deal found 15/12C$ 260

Wed 14/110:45 a.m.BUF - SJU

1 stop9h 15mUnited Airlines

Deal found 15/12C$ 266

Wed 14/11:20 p.m.BUF - SJU

2 stops10h 15mSouthwest

Deal found 15/12C$ 302

Wed 14/12:10 p.m.BUF - SJU

1 stop8h 35mDelta

Deal found 16/12C$ 335

Find flight deals from Buffalo to San Juan

Round-trip from	C$ 315
One-way from	C$ 165
Popular in	December
Cheapest in	September
Average price	C$ 743

United Airlines
24/1-28/1
3 total stops
23h 31m total
Buffalo to San Juan

Search Deals

Southwest
22/1
1 total stop
9h 50m total
Buffalo to San Juan

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 56 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 24/1

2:49 p.m.-6:11 a.m.

2 stops14h 22m

San Juan Luis Munoz Marin Intl

Wed 28/1

8:35 a.m.-4:44 p.m.

1 stop9h 09m

C$ 315

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sun 1/3

12:14 p.m.-11:58 p.m.

1 stop10h 44m

San Juan Luis Munoz Marin Intl

Wed 11/3

7:30 a.m.-3:59 p.m.

1 stop8h 29m

C$ 335

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 2/3

12:14 p.m.-11:58 p.m.

1 stop10h 44m

San Juan Luis Munoz Marin Intl

Wed 4/3

7:00 a.m.-2:56 p.m.

1 stop8h 56m

C$ 336

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 3/3

7:17 p.m.-2:53 a.m.

1 stop6h 36m

San Juan Luis Munoz Marin Intl

Sat 7/3

3:08 a.m.-10:49 a.m.

1 stop7h 41m

C$ 339

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 2/3

7:30 p.m.-3:50 a.m.

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Wed 4/3

11:59 p.m.-9:28 a.m.

1 stop10h 29m

C$ 340

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 3/3

7:30 p.m.-3:50 a.m.

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Tue 10/3

10:59 p.m.-9:27 a.m.

1 stop10h 28m

C$ 340

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 2/3

7:30 p.m.-3:50 a.m.

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Tue 10/3

10:59 p.m.-9:27 a.m.

1 stop10h 28m

C$ 340

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 7/2

12:29 p.m.-11:59 p.m.

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Sun 15/2

3:53 a.m.-10:07 a.m.

1 stop7h 14m

C$ 344

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Mon 2/3

7:30 p.m.-3:50 a.m.

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Thu 12/3

5:10 a.m.-12:34 p.m.

1 stop7h 24m

C$ 348

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 22/1

12:20 p.m.-11:10 p.m.

1 stop9h 50m

C$ 165

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 18 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 72 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, May is the cheapest month in which you can book a flight from Buffalo to San Juan (average of C$ 194). Flying from Buffalo to San Juan in December is currently the most expensive (average of C$ 359). 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 14% on airfare.

Reviews of airlines servicing San Juan

See what other customers who have flown with Southwest,Delta, andJetBlue 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

7.9

Good

4,250 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,010 reviews

Southwest

7.9

Good

4,250 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

JetBlue

7.2

Good

2,895 reviews

Southwest

7.9

Good

4,250 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,082 reviews

Southwest

7.9

Good

4,250 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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. 4 airlines have flights to San Juan from Buffalo on a regular basis.
How long is the flight from Buffalo to San Juan?
Airlines like United Airlines, Delta, and Frontier fly from Buffalo to San Juan in about 6h 36m. The time it takes to get you to your destination can typically vary by up to 7h 46m. 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$ 165, 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 Southwest - these airlines can fly you to your destination from C$ 231 and C$ 310, 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, May is the cheapest month in which you can book a flight from Buffalo to San Juan (average of C$ 194). Flying from Buffalo to San Juan in December is currently the most expensive (average of C$ 359). 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

Buffalo to Luis Munoz Marin Intl flights

John F Kennedy Intl to Luis Munoz Marin Intl flights

Newark to Luis Munoz Marin Intl flights

Complete your trip

San Juan car rentals

San Juan Luis Munoz Marin Intl Airport car rentals

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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

Hato Rey Central car rentals

Top 4 airlines flying from Buffalo to San Juan

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 165	AverageC$ 624	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Frontier	CheapestC$ 231	AverageC$ 377	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Southwest	CheapestC$ 310	AverageC$ 688	FlexibilityNo cancel fee	On-time63%	Search Southwest flights
JetBlue	CheapestC$ 387	AverageC$ 511	FlexibilityNo cancel fee	On-time62%	Search JetBlue 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.

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Cheap flights from Buffalo to San Juan from C$ 165

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 22/1. 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

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 16 December 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 16 December 2025.

Find flight deals from Buffalo to San Juan

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 December 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 16 December 2025.

Reviews of airlines servicing San Juan

See what other customers who have flown with Southwest,Delta, andJetBlue 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 4 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?

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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 16 December 2025.