$110 Cheap Flights from Buffalo (BUF) to San José (SJO)

View $110 flight on Thu, Dec 4, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO)

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Cheap Flights from Buffalo to San José (BUF-SJO)

Prices were available within the past 7 days and start at $110 for one-way flights and $252 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Dec 4 - Sat, Dec 6
BUF
Buffalo
SJO
San José
$252 Roundtrip, found 2 hours ago
$252
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Buffalo to San José, returning Sat, Dec 6, priced at $252 found 2 hours ago
American Airlines
Tue, Jan 20 - Tue, Jan 27
BUF
Buffalo
SJO
San José
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jan 20 from Buffalo to San José, returning Tue, Jan 27, priced at $255 found 1 day ago
United
Tue, Jan 20 - Tue, Jan 27
BUF
Buffalo
SJO
San José
$256 Roundtrip, found 1 day ago
$256
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jan 20 from Buffalo to San José, returning Tue, Jan 27, priced at $256 found 1 day ago
American Airlines
Thu, Dec 4 - Sat, Dec 6
BUF
Buffalo
SJO
San José
$256 Roundtrip, found 2 hours ago
$256
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Buffalo to San José, returning Sat, Dec 6, priced at $256 found 2 hours ago
Southwest Airlines
Thu, Oct 30 - Thu, Nov 6
BUF
Buffalo
SJO
San José
$258 Roundtrip, found 7 hours ago
$258
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Thu, Oct 30 from Buffalo to San José, returning Thu, Nov 6, priced at $258 found 7 hours ago
American Airlines
Thu, Dec 4 - Sat, Dec 6
BUF
Buffalo
SJO
San José
$258 Roundtrip, found 2 hours ago
$258
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Buffalo to San José, returning Sat, Dec 6, priced at $258 found 2 hours ago
American Airlines
Mon, Feb 2 - Thu, Feb 12
BUF
Buffalo
SJO
San José
$260 Roundtrip, found 2 days ago
$260
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 2 from Buffalo to San José, returning Thu, Feb 12, priced at $260 found 2 days ago
American Airlines
Sun, Feb 1 - Sun, Feb 8
BUF
Buffalo
SJO
San José
$261 Roundtrip, found 5 hours ago
$261
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sun, Feb 1 from Buffalo to San José, returning Sun, Feb 8, priced at $261 found 5 hours ago
JetBlue Airways
Sun, Apr 19 - Fri, Apr 24
BUF
Buffalo
SJO
San José
$289 Roundtrip, found 3 hours ago
$289
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Sun, Apr 19 from Buffalo to San José, returning Fri, Apr 24, priced at $289 found 3 hours ago
Delta
Sun, Dec 7 - Mon, Dec 8
BUF
Buffalo
SJO
San José
$296 Roundtrip, found 2 hours ago
$296
Roundtrip
found 2 hours ago
Select Delta flight, departing Sun, Dec 7 from Buffalo to San José, returning Mon, Dec 8, priced at $296 found 2 hours ago

Find the cheapest month to fly from Buffalo (BUF) to San José (SJO)

October is typically the cheapest month to fly

From $250 - $645 per traveler.

Alternative airports near San José

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

Select flight to Juan Santamaria Intl. SJO. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $258
SJO
Juan Santamaria Intl.
Cheapest
Average driving time to city center20 min
Flights from $258

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO) cost?
Get a cheap one-way flight from $110 or cheap return flight from $252 from Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO)?
December is the least expensive month to fly from BUF to SJO. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO)?
To find the cheapest airline flying from BUF to SJO, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO)?
There aren't any daily nonstop flights departing from Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from BUF to SJO?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO)?
To avoid possible delays on the Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO) last-minute?
Last-minute fares from BUF to SJO are typically more expensive. To lock in the best rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may score a cheap fare just before your departure.
Is it cheaper to book a BUF to SJO flight and hotel package?
You can save money by booking a BUF to SJO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Juan Santamaria Intl. Airport (SJO)?
In most instances, you're able to reschedule or cancel your BUF to SJO flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$251
Distance
2299 mi

Book with confidence

Buffalo to San José Flights

The cheapest times to fly from Buffalo to San José

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to San José are during the month of December. You can find some of the cheapest flights from Buffalo to San José with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to San José

Sunday is one of the best days to book for cheap flights from Buffalo to San José: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buffalo to San José

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to San José in 2025. You can also book with separate airlines for your outbound and return journeys, from $110 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to San José flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buffalo to San José airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Buffalo to San José Flights

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*Available to One Key members.