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$151+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BUF
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$320
(United Airlines)

One-way from

$151
(American Airlines)

Popular in

July

Cheapest in

October

Average price

$503
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. 9% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Expedia deal was found by Cheapflights users on 9/15. 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.
Wed 10/1512:45 pmSJO - BUF
1 stop29h 49mJetBlue
Wed 10/228:30 amBUF - SJO
1 stop29h 25mJetBlue
Deal found 9/15$327
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:40 pmSJO - BUF
2 stops19h 44mAmerican Airlines
Tue 12/306:00 amBUF - SJO
2 stops15h 17mAmerican Airlines
Deal found 9/17$332
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 11/11:20 pmSJO - BUF
2 stops19h 43mUnited Airlines
Sat 11/87:30 pmBUF - SJO
2 stops16h 55mUnited Airlines
Deal found 9/17$341
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/151:00 pmSJO - BUF
2 stops20h 10mAmerican Airlines
Wed 10/226:42 pmBUF - SJO
2 stops20h 56mAmerican Airlines
Deal found 9/15$350
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 12/252:05 pmSJO - BUF
1 stop30h 12mUnited Airlines
Wed 12/316:30 amBUF - SJO
2 stops36h 46mUnited Airlines
Deal found 9/15$362
This JetBlue deal was found by Cheapflights users on 9/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:06 pmSJO - BUF
1 stop9h 02mJetBlue
Tue 12/308:12 amBUF - SJO
1 stop9h 14mJetBlue
Deal found 9/15$408
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amSJO - BUF
2 stops14h 57mDelta
Thu 1/16:00 amBUF - SJO
1 stop16h 55mDelta
Deal found 9/15$439

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 September 17, 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

Wed 10/15

12:45 pm-8:34 pm

1 stop29h 49m

Buffalo

Wed 10/22

8:30 am-11:55 am

1 stop29h 25m

$327

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sat 11/1

1:20 pm-11:03 am

2 stops19h 43m

Buffalo

Sat 11/8

7:30 pm-11:25 am

2 stops16h 55m

$341

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Mon 10/20

7:55 am-9:53 am

2 stops23h 58m

Buffalo

Fri 10/24

5:55 pm-12:26 pm

2 stops20h 31m

$341

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 10/7

6:44 am-10:28 pm

1 stop13h 44m

Buffalo

Tue 12/30

12:34 pm-8:17 pm

1 stop8h 43m

$423

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 9/24

7:27 am-11:08 pm

1 stop13h 41m

Buffalo

Tue 9/30

6:00 am-7:42 pm

2 stops15h 42m

$482

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sat 9/20

7:55 am-9:53 am

2 stops23h 58m

Buffalo

Mon 9/22

5:54 pm-12:26 pm

2 stops20h 32m

$490

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sat 10/4

1:45 pm-11:00 am

1 stop19h 15m

$151

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Fri 10/3

1:55 am-7:04 pm

2 stops15h 09m

$1,170

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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 September 17, 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 19h 43m. Fly via JetBlue or United Airlines to get the fastest option. San José, San José Province and Buffalo are separated by a distance of 2299 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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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