How long is the flight from San Juan Luis Munoz Marin Intl Airport to Buffalo?

JetBlue, Frontier, and Delta can get you from San Juan Luis Munoz Marin Intl Airport to Buffalo in just under 6h 56m. Your travel time can differ by up to 10h 22m. There are 1848 mi between San Juan Luis Munoz Marin Intl Airport and Buffalo. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Buffalo round-trip?

Currently priced at $80, Delta will fly you from San Juan Luis Munoz Marin Intl Airport to Buffalo 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 $124 and $211, respectively. These flights start at 76% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from San Juan Luis Munoz Marin Intl Airport to Buffalo one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $79. Delta flights start at $102 while deals on United Airlines start at $112 one-way.

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What are the most popular airlines that fly from San Juan Luis Munoz Marin Intl Airport to Buffalo?

Before booking your flight from San Juan Luis Munoz Marin Intl Airport to Buffalo check out the most popular airlines for this route: JetBlue, Southwest or Delta.

Most accurate provider : When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Buffalo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Buffalo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Buffalo flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Buffalo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Buffalo from San Juan Luis Munoz Marin Intl?

Buffalo (BUF) is the airport you will fly into if you book a flight from San Juan Luis Munoz Marin Intl to Buffalo. You should not have trouble finding flights to Buffalo from San Juan Luis Munoz Marin Intl; the airport handles an average of 0 inbound flights from San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Buffalo airport from San Juan Luis Munoz Marin Intl. It is only a 8.3 mi journey from Buffalo (BUF) to Buffalo’s city center.

Can I find deals for flights from Luis Munoz Marin Intl to Buffalo that include hotel bookings?

Yes. In addition to deals on Luis Munoz Marin Intl to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Luis Munoz Marin Intl to Buffalo?

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

Can I find deals for business class flights from Luis Munoz Marin Intl to Buffalo?

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

$85+ Flights from San Juan Luis Munoz Marin Intl Airport to Buffalo

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Find cheap flights from Luis Munoz Marin Intl to Buffalo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Buffalo are usually found in September or February, booked 71 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Luis Munoz Marin Intl to Buffalo

Cheapest flights from Luis Munoz Marin Intl to Buffalo
Explore the most affordable flight options available from Luis Munoz Marin Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Thu 12/256:00 amSJU - BUF

1 stop8h 12mFrontier

Thu 1/12:07 pmBUF - SJU

1 stop11h 43mFrontier

Deal found 12/10

$245

Sat 12/207:50 amSJU - BUF

1 stop11h 20mFrontier

Sat 1/38:14 pmBUF - SJU

1 stop11h 44mFrontier

Deal found 12/10

$250

Thu 12/186:00 amSJU - BUF

1 stop8h 12mFrontier

Sun 12/211:37 pmBUF - SJU

1 stop12h 13mFrontier

Deal found 12/8

$284

Thu 12/256:00 amSJU - BUF

1 stop8h 12mFrontier

Tue 12/301:47 pmBUF - SJU

1 stop12h 03mFrontier

Deal found 12/8

$285

Mon 12/291:59 amSJU - BUF

1 stop9h 36mJetBlue

Tue 1/68:50 amBUF - SJU

1 stop8h 15mJetBlue

Deal found 12/11

$291

Tue 12/302:39 pmSJU - BUF

2 stops9h 53mAmerican Airlines

Tue 1/66:00 amBUF - SJU

1 stop6h 37mAmerican Airlines

Deal found 12/9

$338

Tue 12/306:00 amSJU - BUF

1 stop7h 52mFrontier

Thu 1/12:07 pmBUF - SJU

1 stop11h 43mFrontier

Deal found 12/9

$355

Fri 12/265:22 pmSJU - BUF

1 stop24h 42mFrontier

Tue 12/301:47 pmBUF - SJU

1 stop12h 03mFrontier

Deal found 12/8

$360

Mon 12/293:55 amSJU - BUF

1 stop9h 57mFrontier

Sun 1/47:58 pmBUF - SJU

1 stop12h 00mFrontier

Deal found 12/10

$373

Best flights from Luis Munoz Marin Intl to Buffalo
Discover carefully curated flight deals from Luis Munoz Marin Intl to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Thu 4/303:30 amSJU - BUF

1 stop7h 59mJetBlue

Sun 5/39:45 amBUF - SJU

1 stop10h 18mJetBlue

Deal found 12/8

$168

Wed 2/253:55 amSJU - BUF

1 stop17h 18mFrontier

Tue 3/36:08 pmBUF - SJU

1 stop7h 42mFrontier

Deal found 12/8

$180

Fri 2/276:02 pmSJU - BUF

1 stop6h 56mDelta

Mon 3/211:51 amBUF - SJU

1 stop11h 05mDelta

Deal found 12/9

$211

Wed 2/252:35 pmSJU - BUF

1 stop6h 55mSouthwest

Sat 2/283:10 pmBUF - SJU

1 stop7h 45mSouthwest

Deal found 12/9

$225

Fri 3/206:33 amSJU - BUF

1 stop16h 08mAmerican Airlines

Mon 3/236:19 amBUF - SJU

1 stop14h 30mAmerican Airlines

Deal found 12/9

$231

Sat 1/318:00 amSJU - BUF

1 stop27h 07mFrontier

Thu 2/57:59 pmBUF - SJU

1 stop13h 25mFrontier

Deal found 12/8

$181

Fri 1/301:24 pmSJU - BUF

2 stops10h 31mAmerican Airlines

Sun 2/16:05 amBUF - SJU

2 stops11h 17mAmerican Airlines

Deal found 12/11

$231

Wed 2/185:51 pmSJU - BUF

1 stop6h 47mAmerican Airlines

Sun 2/2211:24 amBUF - SJU

2 stops9h 09mAmerican Airlines

Deal found 12/10

$236

Wed 2/46:00 amSJU - BUF

2 stops10h 17mAmerican Airlines

Sun 2/811:50 amBUF - SJU

1 stop11h 06mAmerican Airlines

Deal found 12/10

$236

Thu 2/266:15 pmSJU - BUF

1 stop6h 38mAmerican Airlines

Tue 3/35:00 amBUF - SJU

2 stops13h 06mAmerican Airlines

Deal found 12/8

$236

Last-minute flights from Luis Munoz Marin Intl to Buffalo
Discover last-minute flight deals from Luis Munoz Marin Intl to Buffalo. Data last updated December 12, 2025 and is based on user searches.

Thu 12/186:00 amSJU - BUF

1 stop8h 12mFrontier

Sun 12/211:37 pmBUF - SJU

1 stop12h 13mFrontier

Deal found 12/8

$284

Sat 12/207:50 amSJU - BUF

1 stop11h 20mFrontier

Sat 1/38:14 pmBUF - SJU

1 stop11h 44mFrontier

Deal found 12/10

$250

Thu 12/256:00 amSJU - BUF

1 stop8h 12mFrontier

Thu 1/12:07 pmBUF - SJU

1 stop11h 43mFrontier

Deal found 12/10

$245

Thu 12/256:00 amSJU - BUF

1 stop8h 12mFrontier

Tue 12/301:47 pmBUF - SJU

1 stop12h 03mFrontier

Deal found 12/8

$285

Mon 12/291:59 amSJU - BUF

1 stop9h 36mJetBlue

Tue 1/68:50 amBUF - SJU

1 stop8h 15mJetBlue

Deal found 12/11

$291

Fri 1/910:45 amSJU - BUF

1 stop10h 33mJetBlue

Mon 4/2012:50 pmBUF - SJU

1 stop7h 30mJetBlue

Deal found 12/9

$313

Wed 1/214:36 pmSJU - BUF

1 stop27h 28mFrontier

Sat 1/2412:29 pmBUF - SJU

1 stop10h 30mFrontier

Deal found 12/9

$290

Fri 1/301:24 pmSJU - BUF

2 stops10h 31mAmerican Airlines

Sun 2/16:05 amBUF - SJU

2 stops11h 17mAmerican Airlines

Deal found 12/11

$231

Sat 1/318:00 amSJU - BUF

1 stop27h 07mFrontier

Thu 2/57:59 pmBUF - SJU

1 stop13h 25mFrontier

Deal found 12/8

$181

One-way flights from Luis Munoz Marin Intl to Buffalo
Search for one-way flight options from Luis Munoz Marin Intl to Buffalo. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Wed 12/175:15 amSJU - BUF

1 stop7h 19mJetBlue

Deal found 12/9

$85

Sun 3/83:08 amSJU - BUF

1 stop7h 41mFrontier

Deal found 12/11

$90

Sat 2/285:25 pmSJU - BUF

1 stop15h 26mFrontier

Deal found 12/11

$91

Mon 12/227:25 amSJU - BUF

1 stop10h 20mFrontier

Deal found 12/10

$102

Wed 12/176:40 amSJU - BUF

1 stop6h 20mSouthwest

Deal found 12/9

$106

Tue 12/239:37 pmSJU - BUF

1 stop24h 03mFrontier

Deal found 12/11

$108

Sat 3/73:08 amSJU - BUF

1 stop7h 41mFrontier

Deal found 12/11

$125

Sun 3/17:03 pmSJU - BUF

1 stop21h 47mFrontier

Deal found 12/10

$132

Sun 2/17:15 pmSJU - BUF

1 stop14h 47mJetBlue

Deal found 12/9

$138

Thu 12/188:30 amSJU - BUF

2 stops13h 24mUnited Airlines

Deal found 12/8

$139

Thu 1/89:23 pmSJU - BUF

1 stop11h 50mFrontier

Deal found 12/9

$141

Find flight deals from Luis Munoz Marin Intl to Buffalo

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$168 (Trip.com)
One-way from	$85 (Trip.com)
Popular in	December
Cheapest in	September
Average price	$455

Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Buffalo flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Buffalo flights.

Search Deals

From San Juan Luis Munoz Marin Intl to Buffalo

Search Deals

One-way flight from San Juan Luis Munoz Marin Intl to Buffalo

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($46 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Thu 4/30

3:30 am-11:29 am

1 stop7h 59m

Buffalo

Sun 5/3

9:45 am-8:03 pm

1 stop10h 18m

$168

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/25

3:55 am-8:13 pm

1 stop17h 18m

Buffalo

Tue 3/3

6:08 pm-2:50 am

1 stop7h 42m

$180

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Sat 1/31

8:00 am-10:07 am

1 stop27h 07m

Buffalo

Thu 2/5

7:59 pm-10:24 am

1 stop13h 25m

$181

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Fri 2/27

6:02 pm-11:58 pm

1 stop6h 56m

Buffalo

Mon 3/2

11:51 am-11:56 pm

1 stop11h 05m

$211

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/25

2:35 pm-8:30 pm

1 stop6h 55m

Buffalo

Sat 2/28

3:10 pm-11:55 pm

1 stop7h 45m

$225

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Fri 3/20

6:33 am-10:41 pm

1 stop16h 08m

Buffalo

Mon 3/23

6:19 am-8:49 pm

1 stop14h 30m

$231

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Fri 1/30

1:24 pm-10:55 pm

2 stops10h 31m

Buffalo

Sun 2/1

6:05 am-6:22 pm

2 stops11h 17m

$231

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/18

5:51 pm-11:38 pm

1 stop6h 47m

Buffalo

Sun 2/22

11:24 am-9:33 pm

2 stops9h 09m

$236

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/4

6:00 am-3:17 pm

2 stops10h 17m

Buffalo

Sun 2/8

11:50 am-11:56 pm

1 stop11h 06m

$236

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Thu 2/26

6:15 pm-11:53 pm

1 stop6h 38m

Buffalo

Tue 3/3

5:00 am-7:06 pm

2 stops13h 06m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 19 results

Compare providers for flights from Luis Munoz Marin Intl to Buffalo

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Buffalo in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Buffalo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Buffalo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Buffalo flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Buffalo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Luis Munoz Marin Intl to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to Buffalo

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Buffalo?

Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to Buffalo. 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 San Juan Luis Munoz Marin Intl Airport to Buffalo?

Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Buffalo (average of $118). Flying from San Juan Luis Munoz Marin Intl Airport to Buffalo in October is currently the most expensive (average of $225). 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 SJU to BUF?

When flying from San Juan Luis Munoz Marin Intl Airport to Buffalo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight in the afternoon.

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to Buffalo?

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Buffalo flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Buffalo

Read reviews from past customers who have flown Southwest, Delta, and American Airlines from San Juan Luis Munoz Marin Intl Airport to Buffalo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,252 reviews

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

4,252 reviews

Southwest

7.9

Good

4,252 reviews

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

8,009 reviews

Southwest

7.9

Good

4,252 reviews

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

American Airlines

7.2

Good

11,049 reviews

Southwest

7.9

Good

4,252 reviews

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

2,898 reviews

Southwest

7.9

Good

4,252 reviews

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

3,084 reviews

Southwest

7.9

Good

4,252 reviews

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 into for flights to Buffalo from San Juan Luis Munoz Marin Intl?
Buffalo (BUF) is the airport you will fly into if you book a flight from San Juan Luis Munoz Marin Intl to Buffalo. You should not have trouble finding flights to Buffalo from San Juan Luis Munoz Marin Intl; the airport handles an average of 0 inbound flights from San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the Buffalo airport from San Juan Luis Munoz Marin Intl. It is only a 8.3 mi journey from Buffalo (BUF) to Buffalo’s city center.
How long is the flight from San Juan Luis Munoz Marin Intl Airport to Buffalo?
JetBlue, Frontier, and Delta can get you from San Juan Luis Munoz Marin Intl Airport to Buffalo in just under 6h 56m. Your travel time can differ by up to 10h 22m. There are 1848 mi between San Juan Luis Munoz Marin Intl Airport and Buffalo. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Buffalo round-trip?
Currently priced at $80, Delta will fly you from San Juan Luis Munoz Marin Intl Airport to Buffalo 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 $124 and $211, respectively. These flights start at 76% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from San Juan Luis Munoz Marin Intl Airport to Buffalo one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $79. Delta flights start at $102 while deals on United Airlines start at $112 one-way.
Can I find deals for flights from Luis Munoz Marin Intl to Buffalo that include hotel bookings?
Yes. In addition to deals on Luis Munoz Marin Intl to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Luis Munoz Marin Intl to Buffalo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luis Munoz Marin Intl to Buffalo.
Can I find deals for business class flights from Luis Munoz Marin Intl to Buffalo?
Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Buffalo 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 San Juan Luis Munoz Marin Intl Airport to Buffalo?
Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Buffalo (average of $118). Flying from San Juan Luis Munoz Marin Intl Airport to Buffalo in October is currently the most expensive (average of $225). 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

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Top 5 airlines flying from Luis Munoz Marin Intl to Buffalo

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$102	Average$306	FlexibilityNo cancel fee	On-timeN/A
Frontier	Cheapest$124	Average$172	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$211	Average$498	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$215	Average$390	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$264	Average$433	FlexibilityNo cancel fee	On-time62%

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$85+ Cheap flights from Luis Munoz Marin Intl (SJU) to Buffalo (BUF)

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Luis Munoz Marin Intl to Buffalo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Buffalo are usually found in September or February, booked 71 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Luis Munoz Marin Intl to Buffalo

Cheapest flights from Luis Munoz Marin Intl to BuffaloExplore the most affordable flight options available from Luis Munoz Marin Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Luis Munoz Marin Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Luis Munoz Marin Intl to Buffalo

Most accurate provider

Most trusted provider

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 San Juan Luis Munoz Marin Intl Airport to Buffalo that are best for you.

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Related info for your journey

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

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Alternative routes for Luis Munoz Marin Intl to Buffalo

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Cheapest flights from Luis Munoz Marin Intl to Buffalo
Explore the most affordable flight options available from Luis Munoz Marin Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.