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$141+ 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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BUF
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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 12/202:30 pmSJO - BUF
1 stop18h 16mUnited Airlines
Sun 1/118:30 amBUF - SJO
1 stop29h 26mUnited Airlines
Deal found 12/14$234
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/242:20 pmSJO - BUF
2 stops29h 34mUnited Airlines
Thu 1/16:30 amBUF - SJO
2 stops17h 02mUnited Airlines
Deal found 12/14$267
This United Airlines deal was found by Cheapflights users on 12/14. 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 34mUnited Airlines
Thu 1/16:30 amBUF - SJO
2 stops17h 02mUnited Airlines
Deal found 12/14$301
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Fri 12/192:20 pmSJO - BUF
2 stops29h 34mUnited Airlines
Thu 1/16:30 amBUF - SJO
2 stops17h 02mUnited Airlines
Deal found 12/14$351
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/242:20 pmSJO - BUF
2 stops25h 25mUnited Airlines
Wed 12/316:30 amBUF - SJO
2 stops15h 09mUnited Airlines
Deal found 12/14$359
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/201:31 pmSJO - BUF
2 stops27h 06mMultiple Airlines
Sun 1/111:15 pmBUF - SJO
1 stop25h 21mMultiple Airlines
Deal found 12/14$377
This United Airlines deal was found by Cheapflights users on 12/14. 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 34mUnited Airlines
Wed 12/316:30 amBUF - SJO
2 stops15h 09mUnited Airlines
Deal found 12/14$393
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/306:30 amSJO - BUF
2 stops37h 24mUnited Airlines
Sun 1/46:30 amBUF - SJO
2 stops15h 09mUnited Airlines
Deal found 12/14$399
This KAYAK deal was found by Cheapflights users on 12/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:36 amSJO - BUF
1 stop9h 14mFrontier
Sun 1/111:15 pmBUF - SJO
1 stop25h 21mFrontier
Deal found 12/14$427
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Sun 12/212:20 pmSJO - BUF
2 stops18h 26mUnited Airlines
Tue 12/306:30 amBUF - SJO
2 stops31h 45mUnited Airlines
Deal found 12/12$564
This Delta deal was found by Cheapflights users on 12/14. 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.
Fri 12/192:31 pmSJO - BUF
2 stops25h 41mDelta
Wed 12/315:52 pmBUF - SJO
2 stops20h 04mDelta
Deal found 12/14$575

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$234
(United Airlines)

One-way from

$141
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$565
Provider with most accurate pricing for San José Juan Santamaria Intl-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Buffalo flights.
Search Deals
From San José Juan Santamaria Intl to Buffalo
Search Deals
One-way flight from San José Juan Santamaria Intl to Buffalo
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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 2/7

6:30 am-8:29 pm

2 stops36h 59m

Buffalo

Sat 2/21

1:52 pm-1:15 pm

2 stops24h 23m

$234

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sat 2/7

7:09 am-11:48 pm

1 stop15h 39m

Buffalo

Sat 2/21

6:00 am-8:13 pm

1 stop15h 13m

$238

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Fri 12/19

9:05 am-6:34 pm

1 stop8h 29m

Buffalo

Thu 1/1

6:30 am-10:32 pm

2 stops17h 02m

$267

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 12/23

2:05 pm-8:54 pm

1 stop29h 49m

Buffalo

Thu 1/1

6:30 am-10:32 pm

2 stops17h 02m

$267

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 1/21

6:30 am-10:31 pm

2 stops15h 01m

Buffalo

Sun 1/25

8:30 am-1:15 pm

2 stops29h 45m

$281

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sat 12/20

2:05 pm-4:54 pm

1 stop25h 49m

$141

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Thu 1/8

7:30 am-11:21 am

2 stops26h 51m

$209

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sat 12/20

1:31 pm-7:13 pm

3 stops28h 42m

$348

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 1/6

6:00 am-11:21 am

2 stops28h 21m

$384

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Fri 1/2

6:30 am-1:24 pm

2 stops29h 54m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 15 results
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Compare providers for flights from San José to Buffalo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to Buffalo in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San José-Buffalo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San José-Buffalo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San José-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-Buffalo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 to Buffalo?

Currently, October is the cheapest month in which you can book a flight from San José to Buffalo (average of $238). Flying from San José to Buffalo in March is currently the most expensive (average of $458). 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.

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 to Buffalo?

    Departing from San José to Buffalo will take you 15h 39m. The distance from San José to Buffalo is about 2299 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San José to Buffalo one-way?

    $140 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $163 and $173, respectively.

  • 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 to Buffalo?

    Currently, October is the cheapest month in which you can book a flight from San José to Buffalo (average of $238). Flying from San José to Buffalo in March is currently the most expensive (average of $458). 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
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

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