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Luis Munoz Marin Intl

$121+ Cheap flights from Buffalo (BUF) to Luis Munoz Marin Intl (SJU)

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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Buffalo to San Juan Luis Munoz Marin Intl are usually found in September or May, booked 42 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Buffalo to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$241
(Delta)

One-way from

$121
(Southwest)

Popular in

December

Cheapest in

September

Average price

$424
Provider with most accurate pricing for Buffalo-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for Buffalo-San Juan Luis Munoz Marin Intl flights.
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From Buffalo to San Juan Luis Munoz Marin Intl
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One-way flight from Buffalo to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Buffalo to Luis Munoz Marin Intl

Cheapest flights from Buffalo to Luis Munoz Marin Intl
Explore the most affordable flight options available from Buffalo to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/203:58 pmBUF - SJU
1 stop6h 44mDelta
Sat 9/272:15 pmSJU - BUF
1 stop8h 48mDelta
Deal found 4/17$241
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:00 amBUF - SJU
1 stop6h 34mUnited Airlines
Sat 5/177:25 amSJU - BUF
1 stop6h 35mUnited Airlines
Deal found 4/17$275
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:17 amBUF - SJU
2 stops13h 53mAmerican Airlines
Wed 10/811:50 amSJU - BUF
1 stop6h 03mAmerican Airlines
Deal found 4/17$281
This Frontier deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/249:52 amBUF - SJU
1 stop12h 10mFrontier
Thu 5/19:30 pmSJU - BUF
1 stop11h 31mFrontier
Deal found 4/17$298
This JetBlue deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:05 amBUF - SJU
1 stop9h 10mJetBlue
Tue 6/311:55 amSJU - BUF
1 stop9h 05mJetBlue
Deal found 4/17$306
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:50 pmBUF - SJU
1 stop9h 35mSouthwest
Tue 5/203:05 pmSJU - BUF
1 stop7h 30mSouthwest
Deal found 4/17$399

Cheapflights Fare Finder

Customize your flight search to find flights from Buffalo to Luis Munoz Marin Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
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

Buffalo

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 9/20

3:58 pm-10:42 pm

1 stop6h 44m

San Juan Luis Munoz Marin Intl

Sat 9/27

2:15 pm-11:03 pm

1 stop8h 48m

$241

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 5/13

6:00 am-12:34 pm

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Sat 5/17

7:25 am-2:00 pm

1 stop6h 35m

$275

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 10/1

6:17 am-8:10 pm

2 stops13h 53m

San Juan Luis Munoz Marin Intl

Wed 10/8

11:50 am-5:53 pm

1 stop6h 03m

$281

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 5/1

9:51 am-10:01 pm

1 stop12h 10m

San Juan Luis Munoz Marin Intl

Mon 5/5

11:20 am-7:37 pm

1 stop8h 17m

$298

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 5/28

7:05 am-4:15 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Tue 6/3

11:55 am-9:00 pm

1 stop9h 05m

$306

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 5/13

4:15 pm-10:30 pm

1 stop6h 15m

San Juan Luis Munoz Marin Intl

Mon 5/19

6:05 am-1:40 pm

1 stop7h 35m

$379

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 6/14

3:53 pm-11:54 pm

1 stop8h 01m

$121

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Thu 5/1

9:51 am-10:01 pm

1 stop12h 10m

$149

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Sat 9/6

6:07 am-8:10 pm

2 stops14h 03m

$161

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 5/21

1:00 pm-8:00 pm

1 stop7h 00m

$196

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 14 results
1
2

Compare providers for flights from Buffalo to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
FlightnetworkPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Buffalo-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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
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 Luis Munoz Marin Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Luis Munoz Marin Intl. Price data was last updated on April 11, 2025.

The best time to book flights from Buffalo to San Juan Luis Munoz Marin Intl Airport is 42 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, September is the cheapest month in which you can book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Buffalo to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $336). 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?

Find hourly flight availability from Buffalo to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to San Juan Luis Munoz Marin Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Buffalo to Luis Munoz Marin Intl. Price data was last updated on December 16, 2024.

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

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated April 17, 2025.
See what other customers who have flown with Southwest, Delta and United 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
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,917 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,667 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,926 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Luis Munoz Marin Intl. 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 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.

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

    According to our current data, Delta ($241), United Airlines ($275), and American Airlines ($281) offers the cheapest pricing from Buffalo to San Juan Luis Munoz Marin Intl Airport. Delta is 39% 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 Southwest. According to our data, you can fly for as low as $121. Users have also found prices from $126 and $147 on Delta and Frontier, respectively.

  • Where are the most common layover locations when flying from Buffalo to San Juan Luis Munoz Marin Intl Airport?

    The most popular layover on flights from Buffalo to San Juan Luis Munoz Marin Intl Airport is New York.

  • What are some popular things to do or see while on a layover in New York?

    The majority of New York visitors spend their time at Times Square, New York City Center, and Madison Square Garden. Times Square, New York City Center, and Madison Square Garden are located about 13.6 mi, 13.6 mi, and 13.6 mi, respectively from New York John F Kennedy Intl. Those landing in New York looking to spend some time exploring during their layover can rent a car for about $68 per day.

  • Where are the least popular layover locations for Buffalo to San Juan Luis Munoz Marin Intl Airport flights?

    Buffalo to San Juan Luis Munoz Marin Intl Airport flights have a layover in Orlando the least frequently.

  • 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, September is the cheapest month in which you can book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Buffalo to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $336). 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.

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Top 6 airlines flying from Buffalo to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from Buffalo to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$139Average$276FlexibilityNo cancel feeOn-time62%
DeltaCheapest$241Average$355FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$252Average$411FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$254Average$505FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$479FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$338Average$517FlexibilityNo cancel feeOn-time63%

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