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$164+ Cheap flights from San José (SJO) 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BUF
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
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Cheap flight deals from San José to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) 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 August 19, 2025.

Round-trip from

$280
(United Airlines)

One-way from

$164
(United Airlines)

Popular in

July

Cheapest in

August

Average price

$330
From San José Juan Santamaria Intl to Buffalo
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One-way flight from San José Juan Santamaria Intl to Buffalo
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Highest demand for flights based on searches. 7% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San José to Buffalo

Cheapest flights from San José to Buffalo
Explore the most affordable flight options available from San José to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. 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 12/1611:28 pmSJO - BUF
1 stop10h 19mUnited Airlines
Sun 1/117:00 amBUF - SJO
1 stop30h 56mUnited Airlines
Deal found 8/17$280
This Southwest deal was found by Cheapflights users on 8/18. 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.
Wed 9/248:50 amSJO - BUF
1 stop9h 55mSouthwest
Tue 9/306:10 amBUF - SJO
1 stop8h 35mSouthwest
Deal found 8/18$289
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 12/172:20 pmSJO - BUF
2 stops29h 57mUnited Airlines
Mon 1/56:30 amBUF - SJO
2 stops17h 02mUnited Airlines
Deal found 8/17$310
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/246:00 amSJO - BUF
2 stops13h 51mAmerican Airlines
Tue 9/306:00 amBUF - SJO
2 stops15h 42mAmerican Airlines
Deal found 8/19$319
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 12/222:20 pmSJO - BUF
2 stops29h 57mUnited Airlines
Thu 1/82:44 pmBUF - SJO
2 stops23h 12mUnited Airlines
Deal found 8/19$341
This Southwest deal was found by Cheapflights users on 8/18. 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.
Wed 9/248:50 amSJO - BUF
1 stop9h 55mSouthwest
Wed 10/16:10 amBUF - SJO
1 stop8h 35mSouthwest
Deal found 8/18$362
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 12/172:20 pmSJO - BUF
2 stops29h 57mUnited Airlines
Sun 1/116:45 pmBUF - SJO
2 stops19h 11mUnited Airlines
Deal found 8/17$372
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/246:00 amSJO - BUF
2 stops13h 51mAmerican Airlines
Wed 10/110:12 amBUF - SJO
2 stops11h 30mAmerican Airlines
Deal found 8/18$377
This United Airlines deal was found by Cheapflights users on 8/17. 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 12/168:45 amSJO - BUF
2 stops13h 49mUnited Airlines
Fri 1/96:45 pmBUF - SJO
2 stops19h 10mUnited Airlines
Deal found 8/17$392

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José 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 August 19, 2025.
Use the filters below to find and compare flights from San José to Buffalo that are best for you.

Fly from

San José

Fly to

Buffalo

Route

Depart

Return

Price

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sat 12/20

2:05 pm-9:17 pm

1 stop30h 12m

Buffalo

Thu 1/8

6:45 pm-12:56 pm

2 stops19h 11m

$280

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 12/24

2:20 pm-9:17 pm

2 stops29h 57m

Buffalo

Thu 1/1

5:41 pm-8:39 pm

2 stops27h 58m

$280

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Mon 12/22

2:05 pm-9:17 pm

1 stop30h 12m

Buffalo

Thu 1/8

7:30 pm-12:56 pm

2 stops18h 26m

$280

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 12/16

8:45 am-11:34 pm

2 stops13h 49m

Buffalo

Mon 1/5

6:30 am-10:32 pm

2 stops17h 02m

$280

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Mon 12/22

2:05 pm-9:17 pm

1 stop30h 12m

Buffalo

Thu 1/1

5:41 pm-8:39 pm

2 stops27h 58m

$280

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 12/16

11:28 pm-10:47 am

1 stop10h 19m

Buffalo

Sun 1/11

7:00 am-12:56 pm

1 stop30h 56m

$280

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Mon 12/22

2:05 pm-9:17 pm

1 stop30h 12m

Buffalo

Sun 1/11

5:50 pm-12:56 pm

1 stop20h 06m

$280

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 12/16

11:28 pm-10:47 am

1 stop10h 19m

Buffalo

Thu 1/8

1:55 pm-12:56 pm

1 stop24h 01m

$280

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Mon 12/22

2:05 pm-9:17 pm

1 stop30h 12m

Buffalo

Mon 1/5

6:30 am-10:32 pm

2 stops17h 02m

$280

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 10/1

1:30 pm-10:42 pm

2 stops31h 12m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 18 results
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Best time to book a flight from San José to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from San José 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 José to Buffalo

What is the cheapest month to book a flight from San José, San José Province to Buffalo?

Currently, January is the cheapest month in which you can book a flight from San José, San José Province to Buffalo (average of $256). Flying from San José, San José Province to Buffalo in December is currently the most expensive (average of $337). 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 SJO to BUF?

Find hourly flight availability from San José 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 August 19, 2025.

When flying from San José, San José Province to Buffalo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 12% versus a flight in the afternoon.

How much does it cost to fly round-trip from San José, San José Province to Buffalo?

Related info for your journey

Find useful and relevant information for your journey from San José to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San José, San José Province to Buffalo?

    There are many flights that can get you from San José, San José Province to Buffalo in 30h 12m. Fly via United Airlines to get the fastest option. San José, San José Province and Buffalo are separated by a distance of 2299 mi.

  • Can I find deals for flights from San José to Buffalo that include hotel bookings?

    Yes. In addition to deals on San José to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San José to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Buffalo.

  • Can I find deals for business class flights from San José to Buffalo?

    Yes. Cheapflights offers flight deals from San José 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 José, San José Province to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from San José, San José Province to Buffalo (average of $256). Flying from San José, San José Province to Buffalo in December is currently the most expensive (average of $337). 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
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

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