HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$154+ Cheap flights from Buffalo (BUF) to San José (SJO)

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Dec 14 — Dec 211
Sun 12/14
Sun 12/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to San José 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.

Cheapflights Tip: The best prices from Buffalo to San José Juan Santamaria Intl are usually found in September or November, booked 78 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Find flight deals from Buffalo to San José

Cheapest flights from Buffalo to San José
Explore the most affordable flight options available from Buffalo to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2025.

This deal was found by Cheapflights users on 11/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:45 amBUF - SJO
1 stop7h 11mJetBlue
Sun 12/1410:00 amSJO - BUF
1 stop11h 12mJetBlue
Deal found 11/12$244
This American Airlines deal was found by Cheapflights users on 11/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:14 amBUF - SJO
1 stop13h 14mAmerican Airlines
Sun 12/146:00 amSJO - BUF
1 stop9h 00mAmerican Airlines
Deal found 11/12$249
This Priceline deal was found by Cheapflights users on 11/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:05 amBUF - SJO
1 stop8h 47mJetBlue
Sun 12/1410:00 amSJO - BUF
1 stop11h 12mJetBlue
Deal found 11/12$282
This Avianca deal was found by Cheapflights users on 11/13. 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.
Mon 11/1710:08 amBUF - SJO
2 stops14h 32mMultiple Airlines
Wed 11/194:15 pmSJO - BUF
2 stops17h 36mMultiple Airlines
Deal found 11/13$327
This American Airlines deal was found by Cheapflights users on 11/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:27 amBUF - SJO
1 stop16h 01mAmerican Airlines
Sun 12/146:00 amSJO - BUF
1 stop9h 00mAmerican Airlines
Deal found 11/12$337
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/83:18 pmBUF - SJO
1 stop21h 24mMultiple Airlines
Sun 12/1412:39 pmSJO - BUF
2 stops21h 06mMultiple Airlines
Deal found 11/12$365
This Delta deal was found by Cheapflights users on 11/13. 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.
Thu 12/116:00 amBUF - SJO
1 stop17h 20mDelta
Wed 12/247:00 amSJO - BUF
1 stop15h 37mDelta
Deal found 11/13$393
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 12/1110:30 amBUF - SJO
2 stops27h 45mUnited Airlines
Sun 12/148:45 amSJO - BUF
2 stops24h 03mUnited Airlines
Deal found 11/12$475
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Wed 12/105:40 pmBUF - SJO
2 stops27h 59mUnited Airlines
Sun 12/148:45 amSJO - BUF
2 stops24h 03mUnited Airlines
Deal found 11/12$492

Cheap flight deals from Buffalo to San José

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San José (SJO). 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 November 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(American Airlines)

One-way from

$154
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$441
Provider with most accurate pricing for Buffalo-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-San José Juan Santamaria Intl flights.
Search Deals
From Buffalo to San José Juan Santamaria Intl
Search Deals
One-way flight from Buffalo to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($225 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to San José 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 November 14, 2025.
Use the filters below to find and compare flights from Buffalo to San José that are best for you.

Fly from

Buffalo

Fly to

San José

Route

Depart

Return

Price

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 2/1

11:27 am-10:30 pm

1 stop12h 03m

San José Juan Santamaria Intl

Wed 2/11

7:09 am-11:48 pm

1 stop15h 39m

$244

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 3/3

7:00 am-1:00 pm

1 stop7h 00m

San José Juan Santamaria Intl

Wed 3/4

1:10 pm-11:59 pm

1 stop9h 49m

$285

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 3/8

6:33 am-7:02 pm

1 stop14h 29m

San José Juan Santamaria Intl

Thu 3/19

2:55 pm-10:47 am

2 stops17h 52m

$308

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 2/1

7:45 pm-8:40 am

2 stops13h 55m

San José Juan Santamaria Intl

Wed 2/11

4:15 pm-9:28 am

2 stops16h 13m

$318

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 1/30

11:22 am-10:30 pm

1 stop12h 08m

San José Juan Santamaria Intl

Sat 2/7

7:09 am-11:48 pm

1 stop15h 39m

$332

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

12:33 pm-8:14 pm

1 stop8h 41m

San José Juan Santamaria Intl

Mon 3/2

1:48 pm-11:52 pm

1 stop9h 04m

$332

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Thu 1/8

12:38 pm-9:02 pm

2 stops9h 24m

San José Juan Santamaria Intl

Mon 1/12

7:09 am-11:48 pm

1 stop15h 39m

$336

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 1/17

1:59 pm-12:56 pm

1 stop23h 57m

San José Juan Santamaria Intl

Sat 1/31

6:30 am-8:29 pm

2 stops12h 59m

$345

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Fri 1/30

10:33 am-10:15 pm

2 stops12h 42m

San José Juan Santamaria Intl

Sat 2/7

7:00 am-8:21 pm

2 stops12h 21m

$348

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 1/5

10:43 am-11:42 am

1 stop25h 59m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 15 results
1
2

Compare providers for flights from Buffalo to San José

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 Buffalo to San José in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 Buffalo-San José flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-San José flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Buffalo-San José flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-San José 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 Buffalo-San José 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 Buffalo to San José

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

How far ahead should I book a flight from Buffalo to San José?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to San José. Price data was last updated on November 7, 2025.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to San José. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Buffalo to San José (average of $238). Flying from Buffalo to San José in July is currently the most expensive (average of $463). 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 BUF to SJO?

Find hourly flight availability from Buffalo to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Buffalo to San José in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at noon.

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

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San José. Reviews last updated November 14, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Buffalo to San José by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,006 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,016 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,051 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,905 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Buffalo to San José. 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 Buffalo to San José?

    A quick flight from Buffalo to San José can take about 7h. American Airlines provides one of the quickest options available for as low as $285. The distance from Buffalo to San José is about 2299 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Buffalo to San José round-trip?

    Our cheapest airline available from Buffalo to San José is JetBlue. Our recent data shows that you can find tickets from as low as $251 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $315 and $333 round-trip. Users have found that JetBlue is 59% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Buffalo to San José (average of $238). Flying from Buffalo to San José in July is currently the most expensive (average of $463). 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 San José?

Book flights to San José if you plan to visit one of these locations
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó
Dominical

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.

Alternative routes for Buffalo to San José

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to San José flights
Newark to San José flights
LaGuardia to San José flights
Newark to Liberia flights
John F Kennedy Intl to Liberia flights
LaGuardia to Liberia flights
Syracuse to San José flights
Albany to San José flights
Rochester to San José flights
White Plains to San José flights
Buffalo to Liberia flights
Islip to San José flights
Syracuse to Liberia flights
Albany to Liberia flights
Rochester to Liberia flights
White Plains to Liberia flights
Stewart to San José flights
Ithaca to San José flights
Ithaca to Liberia flights
Elmira to San José flights
Binghamton to Liberia flights
Watertown to Liberia flights
Plattsburgh to San José flights
Binghamton to San José flights
Islip to Liberia flights
Niagara Falls to San José flights

Top 5 airlines flying from Buffalo to San José

Discover the top 5 airlines that operate flights from Buffalo to San José. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$578FlexibilityNo cancel feeOn-time62%
DeltaCheapest$315Average$539FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$333Average$610FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$466Average$698FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$497Average$670FlexibilityNo cancel feeOn-time69%

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.
Site
Cookie settings©2025 Cheapflights