$114+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Feb 19 — Feb 261
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
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 Buffalo to San José
Cheapest flights from Buffalo to San JoséExplore 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 January 20, 2026.
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 January 20, 2026.
This American Airlines deal was found by Cheapflights users on 1/18. 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 1/207:30 am
BUF
- SJO
1 stop16h 00m
American Airlines
Fri 1/237:09 am
SJO
- BUF
1 stop15h 39m
American Airlines
Deal found 1/18![American Airlines logo]()
$273
This American Airlines deal was found by Cheapflights users on 1/19. 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 4/167:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Fri 4/242:22 pm
SJO
- BUF
2 stops17h 56m
American Airlines
Deal found 1/19![American Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 1/18. 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 10/227:56 pm
BUF
- SJO
2 stops19h 04m
American Airlines
Sun 10/251:05 pm
SJO
- BUF
2 stops19h 14m
American Airlines
Deal found 1/18![American Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 1/18. 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 6/96:00 am
BUF
- SJO
1 stop7h 38m
United Airlines
Tue 6/1612:30 am
SJO
- BUF
2 stops14h 17m
United Airlines
Deal found 1/18![United Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 1/19. 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.
Tue 1/2010:37 am
BUF
- SJO
2 stops12h 38m
Delta
Fri 1/237:00 am
SJO
- BUF
2 stops14h 52m
Delta
Deal found 1/19![Delta logo]()
$322
This JetBlue deal was found by Cheapflights users on 1/19. 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 2/207:00 am
BUF
- SJO
1 stop7h 00m
JetBlue
Wed 2/251:10 pm
SJO
- BUF
1 stop8h 01m
JetBlue
Deal found 1/19![JetBlue logo]()
$323
This Trip.com deal was found by Cheapflights users on 1/19. 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.
Fri 1/237:45 pm
BUF
- SJO
2 stops21h 25m
Multiple Airlines
Sun 1/2510:45 pm
SJO
- BUF
2 stops24h 02m
Multiple Airlines
Deal found 1/19![Multiple Airlines logo]()
$332
This Gurufare deal was found by Cheapflights users on 1/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:51 pm
BUF
- SJO
2 stops17h 40m
GOL
Wed 2/257:00 am
SJO
- BUF
1 stop15h 40m
GOL
Deal found 1/19![GOL logo]()
$333
This Gurufare deal was found by Cheapflights users on 1/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:40 pm
BUF
- SJO
2 stops19h 35m
GOL
Wed 8/192:15 pm
SJO
- BUF
2 stops18h 04m
GOL
Deal found 1/19![GOL logo]()
$344
This American Airlines deal was found by Cheapflights users on 1/18. 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 2/236:05 am
BUF
- SJO
1 stop15h 07m
American Airlines
Mon 3/96:00 am
SJO
- BUF
1 stop15h 40m
American Airlines
Deal found 1/18![American Airlines logo]()
$350
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 January 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $275 (American Airlines) |
One-way from | $114 (American Airlines) |
Popular in | July |
Cheapest in | September |
Average price | $516 |
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 January 20, 2026.
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
Fri 2/20
7:00 am-1:00 pm
1 stop7h 00m
San José Juan Santamaria Intl
Wed 2/25
1:10 pm-10:11 pm
1 stop8h 01m
$323
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Fri 1/23
7:45 pm-4:10 pm
2 stops21h 25m
San José Juan Santamaria Intl
Sun 1/25
10:45 pm-11:47 pm
2 stops24h 02m
$332
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Sat 2/21
7:02 pm-2:15 pm
2 stops20h 13m
San José Juan Santamaria Intl
Wed 2/25
3:59 pm-10:53 am
2 stops17h 54m
$333
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Fri 2/27
7:45 pm-1:55 pm
2 stops19h 10m
San José Juan Santamaria Intl
Sat 3/7
11:24 am-9:58 am
2 stops21h 34m
$333
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 2/23
6:05 am-8:12 pm
1 stop15h 07m
San José Juan Santamaria Intl
Mon 3/9
6:00 am-11:40 pm
1 stop15h 40m
$350
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 2/23
6:05 am-8:12 pm
1 stop15h 07m
San José Juan Santamaria Intl
Sun 3/1
12:35 am-10:41 pm
1 stop21h 06m
$360
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 3/18
6:34 am-1:55 pm
1 stop9h 21m
$114
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 3/18
7:30 pm-7:39 pm
2 stops26h 09m
$189
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 3/18
7:30 pm-11:45 am
3 stops18h 15m
$363
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-San José flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San José flight deals on Cheapflights vs. FlightHub >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 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 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 January 16, 2026.
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.
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 January 20, 2026.
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.
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Traveling to a place near San José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio
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Alternative routes for Buffalo to San José
See prices for flight routes from nearby airports that may be better suited for you.
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 January 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$485 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$313 | Average$573 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$315 | Average$489 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$398 | Average$575 | FlexibilityNo cancel fee | On-time63% |