Luis Munoz Marin Intl

$96+ Cheap flights from Buffalo (BUF) to Luis Munoz Marin Intl (SJU)

BUF — SJU
Dec 10 — Dec 171
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1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Buffalo to San Juan Luis Munoz Marin Intl are usually found in October or August, booked 88 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Buffalo to Luis Munoz Marin Intl

Cheapest flights from Buffalo to Luis Munoz Marin Intl

Sun 11/812:39 pm -
1 stop20h 36m
Wed 11/117:25 pm -
1 stop22h 22m
Deal found 11/7$238
Fri 12/41:15 pm -
1 stop10h 52m
Thu 12/103:43 am -
1 stop10h 52m
Deal found 11/6$241
Fri 12/41:15 pm -
1 stop10h 52m
Wed 12/95:01 am -
1 stop8h 19m
Deal found 11/6$243
Wed 12/21:15 pm -
1 stop10h 52m
Wed 12/95:01 am -
1 stop8h 19m
Deal found 11/9$246
Fri 12/41:15 pm -
1 stop10h 52m
Fri 12/116:15 pm -
Nonstop4h 42m
Deal found 11/6$247
Wed 12/21:15 pm -
1 stop10h 52m
Wed 12/164:04 pm -
1 stop26h 36m
Deal found 11/9$248
Sun 11/229:20 pm -
1 stop28h 04m
Thu 11/2610:21 pm -
1 stop23h 03m
Deal found 11/7$250
Wed 12/96:00 am -
1 stop7h 54m
Tue 12/155:01 am -
1 stop8h 46m
Deal found 11/7$251
Sat 12/59:05 am -
Nonstop4h 53m
Wed 12/165:01 am -
1 stop8h 46m
Deal found 11/6$252
Sat 12/53:00 pm -
1 stop6h 22m
Wed 12/98:25 am -
1 stop9h 32m
Deal found 11/8$256
Mon 11/237:45 am -
Nonstop4h 50m
Thu 12/38:44 pm -
1 stop17h 51m
Deal found 11/5$257
Wed 11/182:00 pm -
1 stop9h 59m
Mon 11/232:30 pm -
Nonstop4h 41m
Deal found 11/7$258

Find flight deals from Buffalo to Luis Munoz Marin Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241
(Cheapflightsfares)

One-way from

$96
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$362

Good round-trip deal

$331 or less

Good one-way deal

$244 or less
Provider with most accurate pricing for Buffalo-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for Buffalo-San Juan Luis Munoz Marin Intl flights.
From Buffalo to San Juan Luis Munoz Marin Intl
One-way flight from Buffalo to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 13% potential increase in price ($60 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Buffalo to San Juan Luis Munoz Marin Intl.
Price to beat on a one-way flight from Buffalo to San Juan Luis Munoz Marin Intl.

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sun 1/24

3:53 pm-12:58 am

1 stop8h 05m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$128
Quickest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 12/5

12:50 pm-9:15 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$128

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 1/20

12:20 pm-11:58 pm

1 stop10h 38m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$128

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 2/3

4:59 pm-1:54 am

1 stop7h 55m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$160

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 1/9

5:43 pm-6:15 am

2 stops11h 32m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$178

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 1/6

10:15 am-12:36 am

2 stops13h 21m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$178

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sun 11/15

6:00 am-5:00 pm

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$185

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 11/17

2:00 pm-12:50 am

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$185

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 11/16

6:30 am-10:22 pm

2 stops14h 52m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$194

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 1/30

2:23 pm-11:58 pm

1 stop8h 35m

San Juan Luis Munoz Marin Intl

Fri 2/5

4:10 pm-11:59 pm

1 stop8h 49m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Buffalo to Luis Munoz Marin Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Luis Munoz Marin Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars

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

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Buffalo with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Buffalo to San Juan Luis Munoz Marin Intl Airport

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

The best time to book flights from Buffalo to San Juan Luis Munoz Marin Intl Airport is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport (average of $293). Flying from Buffalo to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $576). 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.

How much does it cost to fly round-trip from Buffalo to San Juan Luis Munoz Marin Intl Airport?

Airfare is below average for this route at the moment.

Buffalo to San Juan Luis Munoz Marin Intl Airport flights typically cost between $288 and $472 in December.
The cheapest round-trip price found within the last 5 days was $241 on Frontier (Dec 4-Dec 10).

Reviews of airlines servicing Luis Munoz Marin Intl

Peruse reviews from past customers who have flown with Southwest,Delta, andJetBlue from Buffalo to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

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

    Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to San Juan Luis Munoz Marin Intl. You should not have trouble finding flights to San Juan Luis Munoz Marin Intl from Buffalo; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Buffalo airport to San Juan Luis Munoz Marin Intl. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.

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

    Airlines like Delta, Southwest, and United Airlines fly from Buffalo to San Juan Luis Munoz Marin Intl Airport in about 6h 32m. The time it takes to get you to your destination can typically vary by up to 2h 13m. Airlines will cover a distance of 1848 mi. This flight may include one or multiple stops.

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

    According to our current data, Delta ($106), Frontier ($153), and JetBlue ($202) offers the cheapest pricing from Buffalo to San Juan Luis Munoz Marin Intl Airport. Delta is 72% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $89. Users have also found prices from $106 and $109 on Delta and United Airlines, respectively.

  • What are the cheapest flights from Buffalo to San Juan Luis Munoz Marin Intl Airport?

    The cheapest flight price from Buffalo to San Juan Luis Munoz Marin Intl Airport is $202. On average you can expect to pay $389. The most popular route, (Buffalo - San Juan Luis Munoz Marin Intl), can usually be booked for $212.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buffalo to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport (average of $293). Flying from Buffalo to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $576). 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Rio Grande
Luquillo
Fajardo
Dorado
Humacao
Bayamón

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Buffalo to Luis Munoz Marin Intl

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$106Average$320FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$153Average$288FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$202Average$390FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$231Average$417FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$339FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$418FlexibilityNo cancel feeOn-time63%

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