$156+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BUF
Mar 5 — Mar 121
1 adult, Economy
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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
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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
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Cheapest flights from San José to BuffaloExplore 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 3, 2026.
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 3, 2026.
This Faresmojo deal was found by Cheapflights users on 2/2. 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.
Sat 3/71:10 pm
SJO
- BUF
1 stop8h 01m
JetBlue
Sat 3/216:20 am
BUF
- SJO
1 stop7h 30m
JetBlue
Deal found 2/2![JetBlue logo]()
$321
This Faresmojo deal was found by Cheapflights users on 2/1. 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
Thu 6/188:30 am
BUF
- SJO
1 stop6h 50m
JetBlue
Deal found 2/1![JetBlue logo]()
$333
This Faresmojo deal was found by Cheapflights users on 2/3. 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.
Sat 3/288:59 am
SJO
- BUF
1 stop11h 14m
JetBlue
Sat 4/47:15 am
BUF
- SJO
1 stop6h 41m
JetBlue
Deal found 2/3![JetBlue logo]()
$353
This Avianca deal was found by Cheapflights users on 2/2. 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 2/2![Multiple Airlines logo]()
$367
This Avianca deal was found by Cheapflights users on 2/2. 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 2/2![Multiple Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 2/2. 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 30m
United Airlines
Sat 6/206:00 am
BUF
- SJO
2 stops18h 39m
United Airlines
Deal found 2/2![United Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 2/2. 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 stops20h 43m
American Airlines
Tue 4/216:59 pm
BUF
- SJO
1 stop18h 26m
American Airlines
Deal found 2/2![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Sat 5/211:35 pm
SJO
- BUF
1 stop21h 44m
American Airlines
Sat 5/167:28 pm
BUF
- SJO
2 stops17h 39m
American Airlines
Deal found 2/2![American Airlines logo]()
$423
Best flights from San José to BuffaloDiscover carefully curated flight deals from San José to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from San José to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Faresmojo deal was found by Cheapflights users on 2/1. 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 6/217:10 am
BUF
- SJO
1 stop6h 45m
JetBlue
Deal found 2/1![JetBlue logo]()
$333
This Avianca deal was found by Cheapflights users on 2/2. 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 2/2![Multiple Airlines logo]()
$367
This Faresmojo deal was found by Cheapflights users on 2/1. 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.
Sat 7/49:00 am
SJO
- BUF
1 stop11h 29m
JetBlue
Sat 7/187:10 am
BUF
- SJO
1 stop6h 45m
JetBlue
Deal found 2/1![JetBlue logo]()
$333
This Faresmojo deal was found by Cheapflights users on 2/1. 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.
Sat 3/288:59 am
SJO
- BUF
1 stop11h 14m
JetBlue
Sat 4/47:15 am
BUF
- SJO
1 stop6h 41m
JetBlue
Deal found 2/1![JetBlue logo]()
$333
This Avianca deal was found by Cheapflights users on 2/2. 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 2/2![Multiple Airlines logo]()
$368
This Faresmojo deal was found by Cheapflights users on 2/1. 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
Thu 6/188:30 am
BUF
- SJO
1 stop6h 50m
JetBlue
Deal found 2/1![JetBlue logo]()
$333
This Faresmojo deal was found by Cheapflights users on 2/3. 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.
Sat 5/212:40 pm
SJO
- BUF
1 stop8h 08m
JetBlue
Sat 5/167:20 am
BUF
- SJO
1 stop6h 35m
JetBlue
Deal found 2/3![JetBlue logo]()
$353
Last-minute flights from San José to BuffaloDiscover last-minute flight deals from San José to Buffalo. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from San José to Buffalo. Data last updated February 3, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/2. 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.
Sat 2/75:00 am
SJO
- BUF
2 stops17h 51m
Multiple Airlines
Sat 2/148:59 pm
BUF
- SJO
2 stops28h 16m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 2/72:30 pm
SJO
- BUF
1 stop22h 44m
United Airlines
Sat 2/146:25 pm
BUF
- SJO
2 stops19h 30m
United Airlines
Deal found 2/3![United Airlines logo]()
$467
This Avianca deal was found by Cheapflights users on 2/2. 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 2/2![Multiple Airlines logo]()
$368
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:10 pm
SJO
- BUF
1 stop8h 01m
JetBlue
Fri 3/66:00 am
BUF
- SJO
1 stop8h 50m
JetBlue
Deal found 2/1![JetBlue logo]()
$426
This Faresmojo deal was found by Cheapflights users on 2/2. 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.
Sat 3/71:10 pm
SJO
- BUF
1 stop8h 01m
JetBlue
Sat 3/216:20 am
BUF
- SJO
1 stop7h 30m
JetBlue
Deal found 2/2![JetBlue logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 3/712:35 pm
SJO
- BUF
2 stops21h 30m
Multiple Airlines
Sat 3/2110:44 am
BUF
- SJO
1 stop25h 58m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Sat 3/712:35 pm
SJO
- BUF
2 stops19h 15m
United Airlines
Sat 3/217:30 pm
BUF
- SJO
2 stops26h 09m
United Airlines
Deal found 2/2![United Airlines logo]()
$439
This Faresmojo deal was found by Cheapflights users on 2/2. 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.
Sat 3/288:59 am
SJO
- BUF
1 stop11h 14m
JetBlue
Sat 4/47:15 am
BUF
- SJO
1 stop6h 41m
JetBlue
Deal found 2/2![JetBlue logo]()
$333
One-way flights from San José to BuffaloSearch for one-way flight options from San José to Buffalo. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from San José to Buffalo. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This United Airlines deal was found by Cheapflights users on 2/1. 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 5/117:55 am
SJO
- BUF
2 stops30h 59m
United Airlines
Deal found 2/1![United Airlines logo]()
$156
This American Airlines deal was found by Cheapflights users on 2/3. 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 2/137:00 am
SJO
- BUF
1 stop15h 40m
American Airlines
Deal found 2/3![American Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 2/3. 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.
Fri 2/137:00 am
SJO
- BUF
2 stops14h 57m
Delta
Deal found 2/3![Delta logo]()
$175
This Ovago deal was found by Cheapflights users on 2/1. 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.
Mon 3/23:59 pm
SJO
- BUF
2 stops19h 52m
GOL
Deal found 2/1![GOL logo]()
$201
This Priceline deal was found by Cheapflights users on 2/1. 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.
Sat 2/282:30 pm
SJO
- BUF
1 stop21h 54m
Frontier
Deal found 2/1![Frontier logo]()
$204
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Sat 2/287:00 am
SJO
- BUF
2 stops38h 41m
American Airlines
Deal found 2/1![American Airlines logo]()
$214
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Sun 3/112:35 am
SJO
- BUF
1 stop21h 06m
American Airlines
Deal found 2/1![American Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Sat 2/287:45 am
SJO
- BUF
3 stops25h 07m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$250
This Trip.com deal was found by Cheapflights users on 2/1. 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 5/117:00 am
SJO
- BUF
1 stop10h 13m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/3012:19 pm
SJO
- BUF
2 stops44h 30m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$264
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/134:15 pm
SJO
- BUF
2 stops14h 49m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$277
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $286 (United Airlines) |
One-way from | $156 (United Airlines) |
Popular in | July |
Cheapest in | October |
Average price | $508 |
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 3, 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
Sun 6/14
9:00 am-10:29 pm
1 stop11h 29m
Buffalo
Sun 6/21
7:10 am-11:55 am
1 stop6h 45m
$333
San JoséBuffalo
SJO - BUF
SJOBUF
San José Juan Santamaria Intl
Sat 7/4
9:00 am-10:29 pm
1 stop11h 29m
Buffalo
Sat 7/18
7:10 am-11:55 am
1 stop6h 45m
$333
San JoséBuffalo
SJO - BUF
SJOBUF
San José Juan Santamaria Intl
Sat 3/28
8:59 am-10:13 pm
1 stop11h 14m
Buffalo
Sat 4/4
7:15 am-11:56 am
1 stop6h 41m
$333
San JoséBuffalo
SJO - BUF
SJOBUF
San José Juan Santamaria Intl
Sun 6/14
9:00 am-10:29 pm
1 stop11h 29m
Buffalo
Thu 6/18
8:30 am-1:20 pm
1 stop6h 50m
$333
San JoséBuffalo
SJO - BUF
SJOBUF
San José Juan Santamaria Intl
Sat 5/2
12:40 pm-10:48 pm
1 stop8h 08m
Buffalo
Sat 5/16
7:20 am-11:55 am
1 stop6h 35m
$353
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
$367
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
Mon 5/11
7:55 am-4:54 pm
2 stops30h 59m
$156
San JoséBuffalo
SJO - BUF
SJOBUF
San José Juan Santamaria Intl
Fri 2/13
7:00 am-11:40 pm
1 stop15h 40m
$157
San JoséBuffalo
SJO - BUF
SJOBUF
San José Juan Santamaria Intl
Fri 2/13
7:00 am-10:57 pm
2 stops14h 57m
$175
Showing 1-10 of 17 results
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SJO-BUF
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 $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.
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.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsLockport
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West Seneca