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San José

$112+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Find cheap flights from Buffalo to San José with Cheapflights

1. Tell us where you want to go

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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

Cheap 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 December 28, 2025.

This Delta deal was found by Cheapflights users on 12/26. 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 12/3112:01 pmBUF - SJO
2 stops10h 54mDelta
Thu 1/152:31 pmSJO - BUF
1 stop8h 25mDelta
Deal found 12/26$446
This American Airlines deal was found by Cheapflights users on 12/26. 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 12/316:00 amBUF - SJO
1 stop15h 14mAmerican Airlines
Thu 1/157:09 amSJO - BUF
1 stop15h 39mAmerican Airlines
Deal found 12/26$491
This United Airlines deal was found by Cheapflights users on 12/26. 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 12/315:35 pmBUF - SJO
2 stops20h 40mUnited Airlines
Thu 1/156:30 amSJO - BUF
2 stops12h 59mUnited Airlines
Deal found 12/26$563
This Expedia deal was found by Cheapflights users on 12/26. 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 12/3111:04 amBUF - SJO
2 stops22h 34mMultiple Airlines
Thu 1/159:35 amSJO - BUF
3 stops22h 27mMultiple Airlines
Deal found 12/26$732
This United Airlines deal was found by Cheapflights users on 12/26. 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 12/296:30 amBUF - SJO
2 stops15h 09mUnited Airlines
Sat 1/38:45 amSJO - BUF
2 stops31h 09mUnited Airlines
Deal found 12/26$1,221
This Trip.com deal was found by Cheapflights users on 12/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amBUF - SJO
1 stop10h 20mMultiple Airlines
Sat 1/37:22 amSJO - BUF
1 stop14h 19mMultiple Airlines
Deal found 12/26$1,332
This American Airlines deal was found by Cheapflights users on 12/26. 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.
Mon 12/297:15 pmBUF - SJO
2 stops16h 17mAmerican Airlines
Sat 1/36:20 amSJO - BUF
1 stop16h 28mAmerican Airlines
Deal found 12/26$1,336

Find 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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(American Airlines)

One-way from

$112
(American Airlines)

Popular in

July

Cheapest in

September

Average price

$778
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 ($222 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 December 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 December 28, 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

Wed 1/21

6:53 am-11:43 pm

1 stop17h 50m

San José Juan Santamaria Intl

Mon 1/26

7:09 am-11:48 pm

1 stop15h 39m

$244

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

12:34 pm-8:13 pm

1 stop8h 39m

San José Juan Santamaria Intl

Mon 3/9

11:35 pm-10:41 pm

1 stop21h 06m

$251

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/9

12:14 pm-10:15 pm

1 stop11h 01m

San José Juan Santamaria Intl

Tue 2/24

7:00 am-9:48 am

2 stops25h 48m

$321

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sat 2/7

5:44 pm-10:15 pm

2 stops29h 31m

San José Juan Santamaria Intl

Sat 2/14

3:46 pm-10:57 pm

2 stops30h 11m

$321

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 1/20

7:30 am-10:30 pm

1 stop16h 00m

San José Juan Santamaria Intl

Thu 1/29

1:51 pm-11:41 pm

1 stop8h 50m

$326

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/23

10:35 am-11:40 pm

2 stops14h 05m

San José Juan Santamaria Intl

Mon 3/2

7:50 pm-9:35 am

2 stops12h 45m

$329

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Tue 1/20

12:14 pm-10:15 pm

1 stop11h 01m

San José Juan Santamaria Intl

Fri 1/23

7:00 am-5:54 pm

1 stop9h 54m

$343

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 1/18

5:35 pm-10:15 pm

2 stops29h 40m

San José Juan Santamaria Intl

Thu 1/29

2:31 pm-11:28 pm

1 stop7h 57m

$348

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Sun 2/8

11:27 am-10:30 pm

1 stop12h 03m

$136

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

Mon 2/9

4:01 pm-12:38 pm

2 stops21h 37m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 16 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 December.
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 December 26, 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.

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 December 28, 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
4,256 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,018 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,113 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,072 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,901 reviews
Southwest
8.0
Very good
4,256 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 17h 50m. American Airlines provides one of the quickest options available for as low as $244. The distance from Buffalo to San José is about 2299 mi.

  • 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 American Airlines and Delta, starting at $313 and $315 round-trip. Users have found that JetBlue is 58% 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
Manuel Antonio
Alajuela
Monteverde
Jacó
Heredia
Dominical

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See prices for flight routes from nearby airports that may be better suited for you.
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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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$251Average$551FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$313Average$582FlexibilityNo cancel feeOn-time71%
DeltaCheapest$315Average$496FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$371Average$628FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$466Average$676FlexibilityNo cancel feeOn-time63%

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