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CA $166 Cheap Flights from San Juan (SJU) to Buffalo (BUF)

View CA $166 flight on Fri, Dec 25, 2026Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Buffalo Niagara Intl. Airport (BUF)

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Cheap flights from San Juan (SJU) to Buffalo (BUF)

Prices were available within the past 7 days and start at CA $166 for one-way flights and CA $375 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Sat, Oct 10 - Sat, Oct 17
SJU
San Juan
BUF
Buffalo
CA $375 Roundtrip, found 1 hour ago
CA $375
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Sat, Oct 10 from San Juan to Buffalo, returning Sat, Oct 17, priced at CA $375 found 1 hour ago
Delta
Sat, Oct 10 - Sat, Oct 17
SJU
San Juan
BUF
Buffalo
CA $382 Roundtrip, found 1 hour ago
CA $382
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Oct 10 from San Juan to Buffalo, returning Sat, Oct 17, priced at CA $382 found 1 hour ago
JetBlue Airways
Sat, Oct 10 - Sat, Oct 17
SJU
San Juan
BUF
Buffalo
CA $389 Roundtrip, found 1 hour ago
CA $389
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Sat, Oct 10 from San Juan to Buffalo, returning Sat, Oct 17, priced at CA $389 found 1 hour ago
Delta
Sat, Oct 10 - Sat, Oct 17
SJU
San Juan
BUF
Buffalo
CA $423 Roundtrip, found 1 hour ago
CA $423
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Oct 10 from San Juan to Buffalo, returning Sat, Oct 17, priced at CA $423 found 1 hour ago
JetBlue Airways
Wed, Oct 14 - Wed, Oct 21
SJU
San Juan
BUF
Buffalo
CA $434 Roundtrip, found 6 days ago
CA $434
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Wed, Oct 14 from San Juan to Buffalo, returning Wed, Oct 21, priced at CA $434 found 6 days ago
JetBlue Airways
Wed, Oct 14 - Wed, Oct 21
SJU
San Juan
BUF
Buffalo
CA $442 Roundtrip, found 6 days ago
CA $442
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Wed, Oct 14 from San Juan to Buffalo, returning Wed, Oct 21, priced at CA $442 found 6 days ago
American Airlines
Wed, Feb 24 - Sun, Mar 7
SJU
San Juan
BUF
Buffalo
CA $450 Roundtrip, found 2 hours ago
CA $450
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Feb 24 from San Juan to Buffalo, returning Sun, Mar 7, priced at CA $450 found 2 hours ago
American Airlines
Wed, Oct 14 - Wed, Oct 21
SJU
San Juan
BUF
Buffalo
CA $451 Roundtrip, found 6 days ago
CA $451
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 14 from San Juan to Buffalo, returning Wed, Oct 21, priced at CA $451 found 6 days ago
Southwest Airlines
Sun, Mar 14 - Mon, Mar 22
SJU
San Juan
BUF
Buffalo
CA $804 Roundtrip, found 15 hours ago
CA $804
Roundtrip
found 15 hours ago
Select Southwest Airlines flight, departing Sun, Mar 14 from San Juan to Buffalo, returning Mon, Mar 22, priced at CA $804 found 15 hours ago
United
Sun, Mar 14 - Mon, Mar 22
SJU
San Juan
BUF
Buffalo
CA $1,185 Roundtrip, found 15 hours ago
CA $1,185
Roundtrip
found 15 hours ago
Select United flight, departing Sun, Mar 14 from San Juan to Buffalo, returning Mon, Mar 22, priced at CA $1,185 found 15 hours ago

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city centre is 16 minutes. Flights from CA $375
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city centre16 min
Flights from CA $375

Find the cheapest month to fly from San Juan (SJU) to Buffalo (BUF)

October is typically the cheapest month to fly

From CA $242 - CA $519 per traveller.

Frequently asked questions

How much does a flight from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from CA $166 and cheap return flights from CA $375 SJU to BUF with Expedia. One-way flights typically cost between CA$285 and CA$985. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SJU to BUF ticket fares go up or down.
What is the cheapest month to fly from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
September is typically the cheapest month to fly from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), with average return fares around CA$424. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly this route include February and October.
Which airlines fly direct from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Only one airline offers direct flights from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.). JetBlue Airways operates 7 direct flights from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) every week.
What is the cheapest airline that flies from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
JetBlue Airways is one of the cheapest airlines offering nonstop return flights from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), with tickets starting from around CA$332 for flights that can be booked for departure within the next year. Sun Country Airlines offers one of the cheapest connecting return flights from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) starting from around CA$705. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best airline to fly with from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will differ from traveler to traveler. If you like to fly early, JetBlue Airways offers early morning flights. If price is the most important factor, JetBlue Airways typically offers the lowest fares. American Airlines offers the most daily flights from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest months to fly from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) are typically September and October, with average return flights around CA$424. However, the most popular months for this route are November and December, meaning you'll find more flight options during these times. While there isn't a single month that is both the cheapest and most popular, you can weigh whether saving money in the autumn or having more schedule flexibility closer to winter works best for your travel plans.
How many flights per day from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
There are approximately 60 connecting flights per day from San Juan (SJU) to Buffalo (BUF). Some common connection points include Orlando Intl. (MCO), Miami Intl. (MIA), and Liberty Intl. (EWR).
What is the earliest flight from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) typically departs around 12:25 AM local time. This flight is operated by Frontier Airlines. This is a seasonal service, active only in September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll generally find the most flights from San Juan (SJU) to Buffalo, NY (BUF) on a Saturday, with around 40 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include JetBlue Airways, American Airlines, and Southwest Airlines. Flight schedules are quite consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.
What are the most popular departure times for flights from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) are in the early morning, from 6am to 9am. Many major carriers, including United, Delta and American Airlines, offer flights during this window. Many travelers prefer this because it allows for an early start to their journey, often leading to an earlier arrival at their destination.
How long does it take to fly from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
When flying from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), you'll cover a distance of approximately 2976 kilometres. A nonstop flight typically takes around 4 hours 48 minutes. If you opt for a flight with one stop, your travel time will generally be longer, averaging about 7 hours. Flights with two or more stops usually take around 15 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Yes, you can fly business class or first class between SJU and BUF. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Delta and United.
How do I earn miles on a San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo, NY (BUF) from San Juan (SJU)?
If you're planning to travel to Buffalo from Luis Munoz Marin Intl. (SJU), you can fly directly into Buffalo Niagara Intl. (BUF). Some flights may connect through major hubs like Liberty Intl. (EWR), George Bush Intercontinental (IAH), or Miami Intl. (MIA) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your San Juan (SJU-Luis Munoz Marin Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Buffalo Niagara Intl.
Roundtrip price
CA $375
Distance
2957 km
Average flight time
5 hours 34 mins

Book with confidence

San Juan to Buffalo Flights

The easy way to book your flights from San Juan to Buffalo 

With Expedia, it’s simple to find and book flights to Buffalo from San Juan whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Buffalo Niagara Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Juan to Buffalo today, tomorrow, or this week.  

 

Save dollars with cheap flights from Luis Munoz Marin Intl., SJU to Buffalo Niagara Intl., BUF 

Sort your search results by price to find great deals on your flight from San Juan to Buffalo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Buffalo from San Juan currently is just CA $375 rising to CA $1,185.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Buffalo  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Buffalo from San Juan 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Buffalo with Expedia today.

San Juan to Buffalo Flights

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