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$145+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BUF
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/21. 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 6/512:30 am
SJO
-
BUF
2 stops31h 19m
United Airlines
Sat 6/207:00 am
BUF
-
SJO
2 stops29h 11m
United Airlines
Deal found 1/21$286
This Ovago deal was found by Cheapflights users on 1/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:15 pm
SJO
-
BUF
2 stops18h 49m
GOL
Tue 9/157:40 pm
BUF
-
SJO
2 stops17h 25m
GOL
Deal found 1/21$339
This Ovago deal was found by Cheapflights users on 1/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/22:07 pm
SJO
-
BUF
2 stops20h 47m
GOL
Tue 8/187:40 pm
BUF
-
SJO
2 stops19h 35m
GOL
Deal found 1/20$345
This Faresmojo deal was found by Cheapflights users on 1/20. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:00 am
SJO
-
BUF
1 stop11h 29m
JetBlue
Sun 6/218:30 am
BUF
-
SJO
1 stop6h 50m
JetBlue
Deal found 1/20$353
This JetBlue deal was found by Cheapflights users on 1/21. 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 2/1811:59 pm
SJO
-
BUF
1 stop8h 40m
JetBlue
Wed 2/256:00 am
BUF
-
SJO
1 stop8h 50m
JetBlue
Deal found 1/21$363
This American Airlines deal was found by Cheapflights users on 1/21. 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 4/142:22 pm
SJO
-
BUF
2 stops17h 56m
American Airlines
Tue 4/216:14 am
BUF
-
SJO
2 stops14h 53m
American Airlines
Deal found 1/21$365
This Avianca deal was found by Cheapflights users on 1/20. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:00 am
SJO
-
BUF
2 stops12h 35m
Multiple Airlines
Fri 3/610:30 am
BUF
-
SJO
2 stops14h 10m
Multiple Airlines
Deal found 1/20$368
This American Airlines deal was found by Cheapflights users on 1/21. 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 9/17:25 am
SJO
-
BUF
1 stop13h 09m
American Airlines
Tue 9/157:56 pm
BUF
-
SJO
2 stops17h 09m
American Airlines
Deal found 1/21$372
This Faresmojo deal was found by Cheapflights users on 1/21. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:00 am
SJO
-
BUF
1 stop11h 29m
JetBlue
Tue 9/156:00 am
BUF
-
SJO
1 stop9h 00m
JetBlue
Deal found 1/21$375
This American Airlines deal was found by Cheapflights users on 1/21. 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 2/1812:35 am
SJO
-
BUF
2 stops13h 50m
American Airlines
Thu 2/266:05 am
BUF
-
SJO
1 stop15h 07m
American Airlines
Deal found 1/21$396
This Faresmojo deal was found by Cheapflights users on 1/21. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:59 pm
SJO
-
BUF
1 stop19h 16m
JetBlue
Tue 4/216:00 am
BUF
-
SJO
1 stop8h 30m
JetBlue
Deal found 1/21$414

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$286
(United Airlines)

One-way from

$145
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$425
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. 13% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
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 3/28

8:59 am-10:40 pm

1 stop11h 41m

Buffalo

Sat 4/4

7:15 am-11:56 am

1 stop6h 41m

$353

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 2/18

11:59 pm-9:39 am

1 stop8h 40m

Buffalo

Wed 2/25

6:00 am-1:50 pm

1 stop8h 50m

$363

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 4/14

2:22 pm-10:18 am

2 stops17h 56m

Buffalo

Tue 4/21

6:14 am-7:07 pm

2 stops14h 53m

$365

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 3/3

5:00 am-6:35 pm

2 stops12h 35m

Buffalo

Fri 3/6

10:30 am-11:40 pm

2 stops14h 10m

$368

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 2/18

12:35 am-3:25 pm

2 stops13h 50m

Buffalo

Thu 2/26

7:41 pm-10:24 am

2 stops15h 43m

$396

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 4/14

11:59 pm-9:15 pm

1 stop19h 16m

Buffalo

Tue 4/21

6:00 am-12:30 pm

1 stop8h 30m

$414

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 4/14

12:40 pm-8:58 am

3 stops18h 18m

Buffalo

Tue 4/21

7:02 pm-11:30 am

2 stops18h 28m

$420

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 3/3

1:10 pm-10:11 pm

1 stop8h 01m

Buffalo

Fri 3/6

6:00 am-1:50 pm

1 stop8h 50m

$427

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 2/18

8:45 am-11:44 pm

2 stops13h 59m

Buffalo

Wed 2/25

1:52 pm-12:56 pm

1 stop24h 04m

$432

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Mon 2/9

2:05 pm-1:24 pm

1 stop22h 19m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 18 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-Buffalo flight deals on Cheapflights vs. FlightHub >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 Expedia the most. Expedia 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.

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

    Departing from San José to Buffalo will take you 11h 41m. 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.

  • 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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