HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buffalo

$181+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BUF
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San José to Buffalo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 18, 2026.

This United Airlines deal was found by Cheapflights users on 2/16. 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 5/11:25 pm
SJO
-
BUF
2 stops29h 36m
United Airlines
Wed 5/68:40 pm
BUF
-
SJO
2 stops17h 41m
United Airlines
Deal found 2/16$297
This Delta deal was found by Cheapflights users on 2/15. 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.
Mon 2/167:00 am
SJO
-
BUF
1 stop15h 27m
Delta
Mon 2/2312:05 pm
BUF
-
SJO
1 stop10h 57m
Delta
Deal found 2/15$302
This Avianca deal was found by Cheapflights users on 2/15. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:50 pm
SJO
-
BUF
2 stops12h 50m
Multiple Airlines
Fri 3/610:30 am
BUF
-
SJO
2 stops14h 10m
Multiple Airlines
Deal found 2/15$368
This Avianca deal was found by Cheapflights users on 2/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:45 pm
SJO
-
BUF
2 stops11h 15m
Multiple Airlines
Sat 5/167:39 pm
BUF
-
SJO
2 stops15h 06m
Multiple Airlines
Deal found 2/14$370
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Sun 2/222:05 pm
SJO
-
BUF
2 stops32h 39m
United Airlines
Sat 2/287:00 am
BUF
-
SJO
1 stop30h 56m
United Airlines
Deal found 2/17$379
This Avianca deal was found by Cheapflights users on 2/15. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/23:10 pm
SJO
-
BUF
2 stops14h 56m
Multiple Airlines
Sun 4/58:59 pm
BUF
-
SJO
2 stops13h 46m
Multiple Airlines
Deal found 2/15$385
This JetBlue deal was found by Cheapflights users on 2/16. 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.
Fri 5/111:59 pm
SJO
-
BUF
1 stop13h 00m
JetBlue
Wed 5/612:25 pm
BUF
-
SJO
1 stop11h 49m
JetBlue
Deal found 2/16$402
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Fri 5/111:35 pm
SJO
-
BUF
2 stops12h 46m
American Airlines
Wed 5/67:28 pm
BUF
-
SJO
1 stop17h 57m
American Airlines
Deal found 2/17$413
This Avianca deal was found by Cheapflights users on 2/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:50 pm
SJO
-
BUF
2 stops11h 14m
Multiple Airlines
Mon 3/308:00 pm
BUF
-
SJO
2 stops14h 45m
Multiple Airlines
Deal found 2/14$418
This United Airlines deal was found by Cheapflights users on 2/16. 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 3/265:30 am
SJO
-
BUF
2 stops33h 12m
United Airlines
Mon 3/307:00 am
BUF
-
SJO
2 stops29h 11m
United Airlines
Deal found 2/16$419

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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(United Airlines)

One-way from

$181
(American Airlines)

Popular in

July

Cheapest in

October

Average price

$508
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 ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 18, 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

Fri 5/1

1:25 pm-9:01 pm

2 stops29h 36m

Buffalo

Wed 5/6

8:40 pm-12:21 pm

2 stops17h 41m

$297

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Tue 3/3

7:50 pm-9:40 am

2 stops12h 50m

Buffalo

Fri 3/6

10:30 am-11:40 pm

2 stops14h 10m

$368

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sat 5/2

7:45 pm-9:00 am

2 stops11h 15m

Buffalo

Sat 5/16

7:39 pm-8:45 am

2 stops15h 06m

$370

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sun 2/22

2:05 pm-11:44 pm

2 stops32h 39m

Buffalo

Sat 2/28

6:07 am-12:56 pm

2 stops31h 49m

$379

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Thu 4/2

3:10 pm-8:06 am

2 stops14h 56m

Buffalo

Sun 4/5

8:59 pm-8:45 am

2 stops13h 46m

$385

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Fri 5/1

11:59 pm-2:59 pm

1 stop13h 00m

Buffalo

Wed 5/6

12:25 pm-10:14 pm

1 stop11h 49m

$402

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sat 2/21

8:25 am-11:00 am

2 stops25h 35m

Buffalo

Sat 2/28

5:44 pm-1:00 pm

2 stops20h 16m

$407

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Thu 3/26

7:50 pm-9:04 am

2 stops11h 14m

Buffalo

Mon 3/30

8:00 pm-8:45 am

2 stops14h 45m

$418

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Thu 3/26

5:30 am-4:42 pm

2 stops33h 12m

Buffalo

Mon 3/30

7:00 am-10:11 am

2 stops29h 11m

$419

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Thu 3/5

1:46 pm-11:50 pm

1 stop9h 04m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 20 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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 FlightHub the most. FlightHub 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, April is the cheapest month in which you can book a flight from San José to Buffalo (average of $209). Flying from San José to Buffalo in March is currently the most expensive (average of $427). 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 29h 36m. The distance from San José to Buffalo is about 2299 mi.

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

    $141 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on JetBlue and Southwest, with prices starting from $145 and $168, 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, April is the cheapest month in which you can book a flight from San José to Buffalo (average of $209). Flying from San José to Buffalo in March is currently the most expensive (average of $427). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.