Buffalo

$87+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUF
Jan 24 — Jan 311
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Find cheap flights from Luis Munoz Marin Intl to Buffalo with Cheapflights

1. Tell us where you want to go

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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 Wednesday

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 25, 2025.

This CheapOair deal was found by Cheapflights users on 12/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:37 pmSJU - BUF
1 stop16h 35mFrontier
Sun 1/46:32 pmBUF - SJU
1 stop27h 43mFrontier
Deal found 12/23$248
This Trip.com deal was found by Cheapflights users on 12/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:05 amSJU - BUF
1 stop9h 14mMultiple Airlines
Wed 1/77:00 amBUF - SJU
1 stop12h 54mMultiple Airlines
Deal found 12/24$280
This Priceline deal was found by Cheapflights users on 12/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:30 amSJU - BUF
1 stop10h 19mMultiple Airlines
Sat 1/38:50 amBUF - SJU
1 stop9h 35mMultiple Airlines
Deal found 12/24$317
This CheapOair deal was found by Cheapflights users on 12/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:40 pmSJU - BUF
1 stop7h 48mJetBlue
Wed 1/710:00 amBUF - SJU
1 stop14h 22mJetBlue
Deal found 12/23$330
This Trip.com deal was found by Cheapflights users on 12/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amSJU - BUF
1 stop7h 52mMultiple Airlines
Wed 1/77:00 amBUF - SJU
1 stop12h 54mMultiple Airlines
Deal found 12/23$332
This Expedia deal was found by Cheapflights users on 12/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:05 amSJU - BUF
1 stop9h 14mJetBlue
Wed 1/77:00 amBUF - SJU
2 stops17h 22mJetBlue
Deal found 12/24$351
This Expedia deal was found by Cheapflights users on 12/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:36 amSJU - BUF
1 stop7h 36mMultiple Airlines
Mon 1/510:43 amBUF - SJU
1 stop15h 07mMultiple Airlines
Deal found 12/23$365
This Frontier deal was found by Cheapflights users on 12/23. 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.
Tue 12/306:00 amSJU - BUF
1 stop7h 52mFrontier
Sun 1/47:58 pmBUF - SJU
1 stop12h 00mFrontier
Deal found 12/23$378
This Expedia deal was found by Cheapflights users on 12/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amSJU - BUF
1 stop7h 52mMultiple Airlines
Tue 1/68:50 amBUF - SJU
1 stop8h 15mMultiple Airlines
Deal found 12/23$381

Find flight deals from Luis Munoz Marin Intl to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Buffalo (BUF). 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 December 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$215
(Expedia)

One-way from

$87
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$454
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Buffalo flight deals.
Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Buffalo flights.
From San Juan Luis Munoz Marin Intl to Buffalo
One-way flight from San Juan Luis Munoz Marin Intl to Buffalo
Highest demand for flights based on searches. 12% potential increase in price ($47 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Buffalo 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 December 25, 2025.
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

Luis Munoz Marin Intl

Fly to

Buffalo

Route

Depart

Return

Price

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Sat 2/14

7:54 pm-10:49 am

1 stop15h 55m

Buffalo

Fri 2/20

5:09 pm-2:25 am

1 stop8h 16m

$215

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Fri 5/8

3:30 am-11:29 am

1 stop7h 59m

Buffalo

Sat 5/16

12:25 pm-8:03 pm

1 stop7h 38m

$227

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 3/25

7:40 am-11:50 pm

1 stop16h 10m

Buffalo

Sat 3/28

11:23 am-11:52 pm

1 stop12h 29m

$235

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/4

2:28 pm-11:42 pm

2 stops10h 14m

Buffalo

Sun 2/8

6:53 pm-1:08 pm

1 stop17h 15m

$236

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Tue 2/3

7:00 am-3:34 pm

1 stop9h 34m

Buffalo

Sat 2/7

6:00 am-11:56 pm

1 stop16h 56m

$255

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/18

7:00 am-4:54 pm

2 stops10h 54m

Buffalo

Sun 2/22

5:19 am-4:16 pm

2 stops9h 57m

$256

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Sat 2/28

5:25 pm-9:52 am

1 stop17h 27m

$87

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Thu 1/8

4:07 pm-8:13 am

1 stop17h 06m

$91

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Sat 1/31

8:00 am-10:07 am

1 stop27h 07m

$96

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Tue 3/24

7:00 am-3:14 pm

1 stop8h 14m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 15 results
1
2

Compare providers for flights from Luis Munoz Marin Intl to Buffalo

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 Luis Munoz Marin Intl to Buffalo in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 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?

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Buffalo. Price data was last updated on December 19, 2025.

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?

Find hourly flight availability from Luis Munoz Marin Intl to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 25, 2025.

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?

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

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

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated December 25, 2025.
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.

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

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

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.
  • 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?

    Frontier, JetBlue, and American Airlines can get you from San Juan Luis Munoz Marin Intl Airport to Buffalo in just under 7h 59m. Your travel time can differ by up to 8h 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 $106 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

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

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Top 5 airlines flying from Luis Munoz Marin Intl to Buffalo

Discover the top 5 airlines that operate flights from Luis Munoz Marin Intl to Buffalo. 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 December 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$102Average$306FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$124Average$213FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$211Average$470FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$215Average$390FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$264Average$428FlexibilityNo cancel feeOn-time62%

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