A mountainous landscape with dense green forests and a city in the distance.

CA $242 Cheap Flights from Buffalo (BUF) to San José (SJO)

View CA $242 flight on Thu, Aug 27, 2026Opens 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 (BUF) to San José (SJO)

Prices were available within the past 7 days and start at CA $242 for one-way flights and CA $570 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Jan 24 - Wed, Feb 10
BUF
Buffalo
SJO
San José
CA $570 Roundtrip, found 1 day ago
CA $570
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Jan 24 from Buffalo to San José, returning Wed, Feb 10, priced at CA $570 found 1 day ago
Delta
Tue, Sep 29 - Sat, Oct 10
BUF
Buffalo
SJO
San José
CA $575 Roundtrip, found 5 days ago
CA $575
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Sep 29 from Buffalo to San José, returning Sat, Oct 10, priced at CA $575 found 5 days ago
Delta
Sun, Jan 24 - Thu, Feb 11
BUF
Buffalo
SJO
San José
CA $632 Roundtrip, found 1 day ago
CA $632
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Jan 24 from Buffalo to San José, returning Thu, Feb 11, priced at CA $632 found 1 day ago
Delta
Sun, Sep 27 - Sat, Oct 10
BUF
Buffalo
SJO
San José
CA $634 Roundtrip, found 5 days ago
CA $634
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Sep 27 from Buffalo to San José, returning Sat, Oct 10, priced at CA $634 found 5 days ago
JetBlue Airways
Wed, Jan 20 - Fri, Feb 5
BUF
Buffalo
SJO
San José
CA $641 Roundtrip, found 1 day ago
CA $641
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Jan 20 from Buffalo to San José, returning Fri, Feb 5, priced at CA $641 found 1 day ago
JetBlue Airways
Fri, Feb 26 - Fri, Mar 12
BUF
Buffalo
SJO
San José
CA $646 Roundtrip, found 5 days ago
CA $646
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Fri, Feb 26 from Buffalo to San José, returning Fri, Mar 12, priced at CA $646 found 5 days ago
JetBlue Airways
Thu, Oct 29 - Wed, Nov 4
BUF
Buffalo
SJO
San José
CA $649 Roundtrip, found 2 days ago
CA $649
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, Oct 29 from Buffalo to San José, returning Wed, Nov 4, priced at CA $649 found 2 days ago
United
Tue, Jan 19 - Sat, Feb 6
BUF
Buffalo
SJO
San José
CA $738 Roundtrip, found 1 day ago
CA $738
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jan 19 from Buffalo to San José, returning Sat, Feb 6, priced at CA $738 found 1 day ago
American Airlines
Tue, Jan 5 - Wed, Jan 13
BUF
Buffalo
SJO
San José
CA $760 Roundtrip, found 20 hours ago
CA $760
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Tue, Jan 5 from Buffalo to San José, returning Wed, Jan 13, priced at CA $760 found 20 hours ago
Air Canada
Thu, Jan 21 - Wed, Feb 3
BUF
Buffalo
SJO
San José
CA $1,747 Roundtrip, found 5 days ago
CA $1,747
Roundtrip
found 5 days ago
Select Air Canada flight, departing Thu, Jan 21 from Buffalo to San José, returning Wed, Feb 3, priced at CA $1,747 found 5 days ago

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 centre is 20 minutes. Flights from CA $817
SJO
Juan Santamaria Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $817

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

March is typically the cheapest month to fly

From CA $350 - CA $652 per traveller.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.) cost?
You can find cheap one-way flights from CA $242 and cheap return flights from CA $570 BUF to SJO with Expedia. One-way flights typically cost between CA$179 and CA$1048, and return flights often range between CA$551 and CA$2612. 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 BUF to SJO ticket fares go up or down.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
The cheapest months to fly from BUF to SJO are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
Enter BUF to SJO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
JetBlue Airways is one of the cheapest airlines offering connecting return flights from Buffalo Niagara Intl. (BUF) to Juan Santamaría Intl. (SJO), with tickets starting from around CA$447 for flights that can be booked for departure within the next year. These flights typically include a layover in John F. Kennedy Intl. (JFK). 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría 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 time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
There are approximately 61 connecting flights per day from Buffalo Niagara Intl. (BUF) to Juan Santamaria Intl. (SJO). Some common connection points include John F. Kennedy Intl. (JFK), O'Hare Intl. (ORD), and Washington Dulles Intl. (IAD).
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
The earliest flight from Buffalo Niagara Intl. (BUF) to San José Juan Santamaria Intl. (SJO) typically departs around 5:00 AM local time. This flight is operated by American Airlines. This is a seasonal service active in December. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
You'll typically find the most flights from Buffalo Niagara Intl. (BUF) to San José (SJO) on a Tuesday, with around 39 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and JetBlue Airways. Flight schedules are 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to Juan Santamaria Intl. (SJO) are in the morning, from 6am to 9am. Many major carriers, including American Airlines, United and Southwest Airlines, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to settle in and start your trip.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
There are no nonstop flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.). For flights with one stop, you can expect the journey to take around 7 hours 48 minutes. If your flight has two or more stops, the travel time will be longer, typically around 14 hours 48 minutes. The distance covered on this route is approximately 3,701 kilometres. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind patterns.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
Yes, you can fly business class between BUF and SJO. You can fly business class with Frontier Airlines and United.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría 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 San José (SJO) from Buffalo, NY (BUF)?
If you're planning to travel to San Jose from Buffalo Niagara Intl. (BUF), you can fly directly into Juan Santamaria Intl. (SJO). Some flights may connect through major hubs like Washington Dulles Intl. (IAD), O'Hare Intl. (ORD), or Charlotte-Douglas Intl. (CLT) before reaching San Jose. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to San José (SJO-Juan Santamaría 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
Buffalo Niagara Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Air Canada, American Airlines, Delta, JetBlue Airways, United
Roundtrip price
CA $569
Distance
3678 km

Book with confidence

Buffalo to San José Flights

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

With Expedia, it’s simple to find and book flights to San José from Buffalo 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 Juan Santamaría 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 Buffalo to San José today, tomorrow, or this week.  

 

Save dollars with cheap flights from Buffalo Niagara Intl., BUF to Juan Santamaría Intl., SJO 

Sort your search results by price to find great deals on your flight from Buffalo to San José—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San José from Buffalo currently is just CA $570 rising to CA $1,747.  

Here are more money-saving tips: 

  • Fly in January when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to San José  
  • 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 San José from Buffalo 

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 San José with Expedia today.

Buffalo to San José Flights

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*Available to Expedia members.