$133+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJO
Jul 10 — Jul 171
Round-trip
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
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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 June 10, 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 June 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/186:59 pm
BUF
- SJO
2 stops19h 04m
American Airlines
Wed 8/262:56 pm
SJO
- BUF
2 stops19h 10m
American Airlines
Deal found 6/9![American Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 6/8. 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 10/267:40 pm
BUF
- SJO
2 stops17h 25m
American Airlines
Sat 10/311:05 pm
SJO
- BUF
2 stops20h 32m
American Airlines
Deal found 6/8![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/8. 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 8/185:00 am
BUF
- SJO
2 stops16h 52m
American Airlines
Fri 8/282:56 pm
SJO
- BUF
2 stops19h 10m
American Airlines
Deal found 6/8![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/9. 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 11/115:50 pm
BUF
- SJO
2 stops18h 35m
United Airlines
Wed 11/1812:35 pm
SJO
- BUF
2 stops20h 14m
United Airlines
Deal found 6/9![United Airlines logo]()
$419
This BusinessClass deal was found by Cheapflights users on 6/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am
BUF
- SJO
1 stop8h 58m
GOL
Sat 10/312:45 pm
SJO
- BUF
2 stops19h 17m
GOL
Deal found 6/8![GOL logo]()
$440
This American Airlines deal was found by Cheapflights users on 6/9. 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 11/117:12 pm
BUF
- SJO
1 stop18h 10m
American Airlines
Wed 11/181:23 pm
SJO
- BUF
1 stop9h 45m
American Airlines
Deal found 6/9![American Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 6/8. 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 10/267:30 pm
BUF
- SJO
2 stops18h 45m
United Airlines
Sat 10/311:05 pm
SJO
- BUF
1 stop19h 44m
United Airlines
Deal found 6/8![United Airlines logo]()
$464
This Frontier deal was found by Cheapflights users on 6/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:02 pm
BUF
- SJO
1 stop12h 18m
Frontier
Sat 8/159:45 am
SJO
- BUF
1 stop9h 22m
Frontier
Deal found 6/8![Frontier logo]()
$468
Best flights from Buffalo to San JoséDiscover carefully curated flight deals from Buffalo to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Buffalo to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. 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 11/115:50 pm
BUF
- SJO
2 stops18h 35m
United Airlines
Wed 11/1811:28 pm
SJO
- BUF
1 stop22h 09m
United Airlines
Deal found 6/9![United Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:05 am
BUF
- SJO
1 stop8h 55m
Southwest
Sat 10/319:00 am
SJO
- BUF
1 stop11h 35m
Southwest
Deal found 6/8![Southwest logo]()
$570
This FlightHub deal was found by Cheapflights users on 6/8. 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.
Tue 8/188:02 pm
BUF
- SJO
3 stops17h 43m
Multiple Airlines
Wed 8/2612:40 pm
SJO
- BUF
3 stops17h 10m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$613
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/125:00 am
BUF
- SJO
2 stops10h 52m
American Airlines
Tue 8/251:03 pm
SJO
- BUF
2 stops21h 03m
American Airlines
Deal found 6/5![American Airlines logo]()
$667
This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:40 am
BUF
- SJO
1 stop8h 00m
JetBlue
Tue 8/182:02 pm
SJO
- BUF
1 stop26h 56m
JetBlue
Deal found 6/9![JetBlue logo]()
$690
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/710:57 am
BUF
- SJO
2 stops25h 14m
United Airlines
Sun 7/127:55 am
SJO
- BUF
2 stops24h 05m
United Airlines
Deal found 6/7![United Airlines logo]()
$589
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 am
BUF
- SJO
1 stop7h 55m
Southwest
Wed 8/269:00 am
SJO
- BUF
1 stop10h 40m
Southwest
Deal found 6/9![Southwest logo]()
$598
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/227:52 pm
BUF
- SJO
2 stops25h 45m
United Airlines
Thu 7/2312:30 am
SJO
- BUF
2 stops31h 30m
United Airlines
Deal found 6/8![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/110:57 am
BUF
- SJO
2 stops37h 42m
United Airlines
Thu 7/3012:30 am
SJO
- BUF
2 stops38h 11m
United Airlines
Deal found 6/9![United Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 6/9. 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 12/210:50 am
BUF
- SJO
2 stops26h 52m
United Airlines
Wed 12/911:28 pm
SJO
- BUF
1 stop17h 31m
United Airlines
Deal found 6/9![United Airlines logo]()
$666
Last-minute flights from Buffalo to San JoséDiscover last-minute flight deals from Buffalo to San José. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San José. Data last updated June 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/126:04 pm
BUF
- SJO
1 stop19h 51m
United Airlines
Mon 6/227:55 am
SJO
- BUF
2 stops35h 08m
United Airlines
Deal found 6/9![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/147:00 am
BUF
- SJO
2 stops38h 37m
United Airlines
Mon 6/227:55 am
SJO
- BUF
2 stops35h 08m
United Airlines
Deal found 6/9![United Airlines logo]()
$634
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:10 am
BUF
- SJO
1 stop7h 25m
Southwest
Mon 6/221:40 pm
SJO
- BUF
2 stops16h 20m
Southwest
Deal found 6/9![Southwest logo]()
$640
This KAYAK deal was found by Cheapflights users on 6/9. 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.
Mon 6/157:52 pm
BUF
- SJO
2 stops25h 45m
Multiple Airlines
Mon 6/227:55 am
SJO
- BUF
2 stops30h 46m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$592
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/157:05 pm
BUF
- SJO
1 stop18h 33m
United Airlines
Mon 6/227:55 am
SJO
- BUF
2 stops35h 08m
United Airlines
Deal found 6/9![United Airlines logo]()
$623
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/227:52 pm
BUF
- SJO
2 stops25h 45m
United Airlines
Thu 7/2312:30 am
SJO
- BUF
2 stops31h 30m
United Airlines
Deal found 6/8![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/2910:57 am
BUF
- SJO
2 stops25h 14m
United Airlines
Mon 12/142:20 pm
SJO
- BUF
2 stops18h 29m
United Airlines
Deal found 6/10![United Airlines logo]()
$606
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/110:34 am
BUF
- SJO
2 stops38h 05m
United Airlines
Thu 7/3012:30 am
SJO
- BUF
2 stops38h 11m
United Airlines
Deal found 6/6![United Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/710:57 am
BUF
- SJO
2 stops25h 14m
United Airlines
Sun 7/127:55 am
SJO
- BUF
2 stops24h 05m
United Airlines
Deal found 6/7![United Airlines logo]()
$589
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/81:54 pm
BUF
- SJO
2 stops22h 17m
United Airlines
Tue 7/1412:30 am
SJO
- BUF
2 stops21h 29m
United Airlines
Deal found 6/10![United Airlines logo]()
$639
This American Airlines deal was found by Cheapflights users on 6/7. 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 7/317:01 am
BUF
- SJO
1 stop17h 37m
American Airlines
Mon 8/33:37 pm
SJO
- BUF
2 stops19h 28m
American Airlines
Deal found 6/7![American Airlines logo]()
$517
One-way flights from Buffalo to San JoséSearch for one-way flight options from Buffalo to San José. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Buffalo to San José. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/10. 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 10/56:49 pm
BUF
- SJO
2 stops20h 11m
American Airlines
Deal found 6/10![American Airlines logo]()
$133
This Expedia deal was found by Cheapflights users on 6/9. 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 8/110:02 pm
BUF
- SJO
1 stop12h 18m
Frontier
Deal found 6/9![Frontier logo]()
$218
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/207:00 am
BUF
- SJO
2 stops29h 11m
United Airlines
Deal found 6/8![United Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:05 am
BUF
- SJO
1 stop8h 55m
Southwest
Deal found 6/10![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:30 am
BUF
- SJO
2 stops13h 10m
Southwest
Deal found 6/9![Southwest logo]()
$268
This Trip.com deal was found by Cheapflights users on 6/9. 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.
Wed 6/177:57 pm
BUF
- SJO
1 stop14h 23m
Frontier
Deal found 6/9![Frontier logo]()
$277
This KAYAK deal was found by Cheapflights users on 6/8. 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.
Sun 8/27:35 pm
BUF
- SJO
2 stops18h 15m
GOL
Deal found 6/8![GOL logo]()
$281
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:10 am
BUF
- SJO
1 stop7h 25m
Southwest
Deal found 6/10![Southwest logo]()
$283
This United Airlines deal was found by Cheapflights users on 6/7. 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 6/297:00 am
BUF
- SJO
2 stops29h 11m
United Airlines
Deal found 6/7![United Airlines logo]()
$286
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/210:57 am
BUF
- SJO
2 stops25h 14m
United Airlines
Deal found 6/7![United Airlines logo]()
$316
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (American Airlines) |
One-way from | $133 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $513 |
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 June 10, 2026.
Use the filters below to find and compare flights from Buffalo to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 11/11
5:50 pm-11:25 am
2 stops18h 35m
San José Juan Santamaria Intl
Wed 11/18
11:28 pm-10:37 pm
1 stop22h 09m
$425
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 10/26
5:05 am-12:00 pm
1 stop8h 55m
San José Juan Santamaria Intl
Sat 10/31
9:00 am-10:35 pm
1 stop11h 35m
$570
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 7/7
10:57 am-10:11 am
2 stops25h 14m
San José Juan Santamaria Intl
Sun 7/12
7:55 am-10:00 am
2 stops24h 05m
$589
Quickest round-trip
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
6:50 am-12:45 pm
1 stop7h 55m
San José Juan Santamaria Intl
Wed 8/26
9:00 am-9:40 pm
1 stop10h 40m
$598
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/18
8:02 pm-11:45 am
3 stops17h 43m
San José Juan Santamaria Intl
Wed 8/26
12:40 pm-7:50 am
3 stops17h 10m
$613
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Mon 6/22
7:52 pm-7:37 pm
2 stops25h 45m
San José Juan Santamaria Intl
Thu 7/23
12:30 am-10:00 am
2 stops31h 30m
$643
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 7/1
10:57 am-10:39 pm
2 stops37h 42m
San José Juan Santamaria Intl
Thu 7/30
12:30 am-4:41 pm
2 stops38h 11m
$659
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 12/2
10:50 am-12:42 pm
2 stops26h 52m
San José Juan Santamaria Intl
Wed 12/9
11:28 pm-5:59 pm
1 stop17h 31m
$666
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Wed 8/12
5:00 am-1:52 pm
2 stops10h 52m
San José Juan Santamaria Intl
Tue 8/25
1:03 pm-12:06 pm
2 stops21h 03m
$667
BuffaloSan José
BUF - SJO
BUFSJO
Buffalo
Tue 8/4
6:40 am-12:40 pm
1 stop8h 00m
San José Juan Santamaria Intl
Tue 8/18
2:02 pm-6:58 pm
1 stop26h 56m
$690
Showing 1-10 of 22 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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 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 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.
BUF-SJO
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
What is the cheapest month to book a flight from Buffalo to San José?
Currently, September is the cheapest month in which you can book a flight from Buffalo to San José (average of $344). Flying from Buffalo to San José in December is currently the most expensive (average of $778). 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 June 10, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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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Buffalo and San José flights
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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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$463 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$487 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$305 | Average$527 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$369 | Average$628 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$470 | Average$705 | FlexibilityNo cancel fee | On-time63% |