$178+ Cheap flights from Buffalo to San Jose, CA (BUF - SJC)
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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJC
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to San Jose with Cheapflights
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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 JoseExplore the most affordable flight options available from Buffalo to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
Explore the most affordable flight options available from Buffalo to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:15 pm
BUF
- SJC
1 stop7h 05m
Southwest
Sat 9/512:50 pm
SJC
- BUF
1 stop6h 55m
Southwest
Deal found 6/19![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 6/22. 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.
Sat 9/266:05 am
BUF
- SJC
1 stop8h 31m
Delta
Mon 9/286:30 am
SJC
- BUF
1 stop8h 24m
Delta
Deal found 6/22![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 6/22. 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 9/243:58 pm
BUF
- SJC
1 stop8h 24m
Delta
Mon 9/286:10 am
SJC
- BUF
1 stop9h 11m
Delta
Deal found 6/22![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 6/22. 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.
Thu 8/65:25 pm
BUF
- SJC
1 stop7h 55m
Southwest
Tue 8/1111:00 pm
SJC
- BUF
1 stop9h 20m
Southwest
Deal found 6/22![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:50 am
BUF
- SJC
2 stops9h 45m
Southwest
Sat 8/2211:00 pm
SJC
- BUF
2 stops10h 25m
Southwest
Deal found 6/18![Southwest logo]()
$401
This Delta deal was found by Cheapflights users on 6/22. 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 8/194:13 pm
BUF
- SJC
1 stop8h 28m
Delta
Fri 8/2112:35 pm
SJC
- BUF
1 stop8h 24m
Delta
Deal found 6/22![Delta logo]()
$406
Best flights from Buffalo to San JoseDiscover carefully curated flight deals from Buffalo to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
Discover carefully curated flight deals from Buffalo to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:50 am
BUF
- SJC
1 stop6h 45m
Southwest
Sat 8/2211:00 pm
SJC
- BUF
1 stop8h 50m
Southwest
Deal found 6/18![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 6/19. 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.
Thu 9/243:55 pm
BUF
- SJC
1 stop9h 02m
Delta
Mon 9/286:10 am
SJC
- BUF
1 stop9h 06m
Delta
Deal found 6/19![Delta logo]()
$381
This Delta deal was found by Cheapflights users on 6/19. 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.
Sat 9/266:05 am
BUF
- SJC
1 stop8h 31m
Delta
Mon 9/286:00 am
SJC
- BUF
2 stops9h 16m
Delta
Deal found 6/19![Delta logo]()
$386
This Southwest deal was found by Cheapflights users on 6/22. 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.
Thu 8/65:25 pm
BUF
- SJC
1 stop7h 55m
Southwest
Tue 8/1111:00 pm
SJC
- BUF
1 stop9h 20m
Southwest
Deal found 6/22![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 6/22. 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 8/194:13 pm
BUF
- SJC
1 stop8h 28m
Delta
Fri 8/2112:35 pm
SJC
- BUF
1 stop8h 24m
Delta
Deal found 6/22![Delta logo]()
$406
This Southwest deal was found by Cheapflights users on 6/20. 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.
Sat 7/255:05 am
BUF
- SJC
1 stop7h 20m
Southwest
Sat 8/110:55 pm
SJC
- BUF
1 stop8h 25m
Southwest
Deal found 6/20![Southwest logo]()
$429
This Delta deal was found by Cheapflights users on 6/19. 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.
Sat 9/266:05 am
BUF
- SJC
1 stop8h 31m
Delta
Sun 9/2710:10 pm
SJC
- BUF
1 stop9h 52m
Delta
Deal found 6/19![Delta logo]()
$419
Last-minute flights from Buffalo to San JoseDiscover last-minute flight deals from Buffalo to San Jose. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Jose. Data last updated June 23, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:45 am
BUF
- SJC
1 stop9h 40m
Southwest
Tue 7/149:40 pm
SJC
- BUF
1 stop7h 20m
Southwest
Deal found 6/19![Southwest logo]()
$466
This American Airlines deal was found by Cheapflights users on 6/19. 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 7/92:44 pm
BUF
- SJC
2 stops10h 57m
American Airlines
Tue 7/146:01 am
SJC
- BUF
2 stops12h 06m
American Airlines
Deal found 6/19![American Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:35 am
BUF
- SJC
2 stops9h 15m
Southwest
Sun 7/196:00 am
SJC
- BUF
1 stop8h 20m
Southwest
Deal found 6/19![Southwest logo]()
$492
This Southwest deal was found by Cheapflights users on 6/20. 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 7/222:55 pm
BUF
- SJC
2 stops10h 05m
Southwest
Sun 7/266:00 am
SJC
- BUF
1 stop8h 20m
Southwest
Deal found 6/20![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 6/20. 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.
Fri 7/2412:40 pm
BUF
- SJC
2 stops13h 50m
Southwest
Sat 8/110:55 pm
SJC
- BUF
1 stop8h 25m
Southwest
Deal found 6/20![Southwest logo]()
$434
This American Airlines deal was found by Cheapflights users on 6/20. 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 7/247:01 am
BUF
- SJC
1 stop9h 32m
American Airlines
Mon 7/277:23 pm
SJC
- BUF
2 stops13h 25m
American Airlines
Deal found 6/20![American Airlines logo]()
$488
This Southwest deal was found by Cheapflights users on 6/20. 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.
Sat 7/255:05 am
BUF
- SJC
1 stop7h 20m
Southwest
Sat 8/110:55 pm
SJC
- BUF
1 stop8h 25m
Southwest
Deal found 6/20![Southwest logo]()
$429
One-way flights from Buffalo to San JoseSearch for one-way flight options from Buffalo to San Jose. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from Buffalo to San Jose. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Delta deal was found by Cheapflights users on 6/22. 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.
Sat 9/266:05 am
BUF
- SJC
1 stop8h 31m
Delta
Deal found 6/22![Delta logo]()
$178
This Southwest deal was found by Cheapflights users on 6/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:25 pm
BUF
- SJC
1 stop7h 35m
Southwest
Deal found 6/18![Southwest logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:09 pm
BUF
- SJC
2 stops49h 19m
Frontier
Deal found 6/19![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:57 pm
BUF
- SJC
2 stops50h 31m
Frontier
Deal found 6/19![Frontier logo]()
$196
This Southwest deal was found by Cheapflights users on 6/22. 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 7/286:00 am
BUF
- SJC
1 stop9h 20m
Southwest
Deal found 6/22![Southwest logo]()
$209
This Southwest deal was found by Cheapflights users on 6/22. 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.
Fri 9/257:10 pm
BUF
- SJC
1 stop7h 10m
Southwest
Deal found 6/22![Southwest logo]()
$229
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 8/126:55 am
BUF
- SJC
1 stop7h 51m
United Airlines
Deal found 6/18![United Airlines logo]()
$233
This United Airlines deal was found by Cheapflights users on 6/22. 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 9/2610:40 am
BUF
- SJC
2 stops13h 08m
United Airlines
Deal found 6/22![United Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 7/1810:02 pm
BUF
- SJC
2 stops42h 15m
Frontier
Deal found 6/20![Frontier logo]()
$241
Find flight deals from Buffalo to San Jose
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to San Jose (SJC). 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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $355 (Southwest) |
One-way from | $178 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $612 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to San Jose 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 23, 2026.
Use the filters below to find and compare flights from Buffalo to San Jose that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Thu 8/20
6:50 am-10:35 am
1 stop6h 45m
San Jose
Sat 8/22
11:00 pm-10:50 am
1 stop8h 50m
$381
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Thu 9/24
3:55 pm-9:57 pm
1 stop9h 02m
San Jose
Mon 9/28
6:10 am-6:16 pm
1 stop9h 06m
$381
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Sat 9/26
6:05 am-11:36 am
1 stop8h 31m
San Jose
Mon 9/28
6:00 am-6:16 pm
2 stops9h 16m
$386
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Thu 8/6
5:25 pm-10:20 pm
1 stop7h 55m
San Jose
Tue 8/11
11:00 pm-11:20 am
1 stop9h 20m
$397
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Wed 8/19
4:13 pm-9:41 pm
1 stop8h 28m
San Jose
Fri 8/21
12:35 pm-11:59 pm
1 stop8h 24m
$406
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Sat 9/26
6:05 am-11:36 am
1 stop8h 31m
San Jose
Sun 9/27
10:10 pm-11:02 am
1 stop9h 52m
$419
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Sat 7/25
5:05 am-9:25 am
1 stop7h 20m
San Jose
Sat 8/1
10:55 pm-10:20 am
1 stop8h 25m
$429
Cheapest one-way
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Tue 8/11
6:25 pm-11:00 pm
1 stop7h 35m
$191
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Mon 7/27
4:40 pm-10:35 pm
2 stops8h 55m
$264
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Tue 8/4
3:55 pm-10:15 pm
1 stop9h 20m
$270
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Buffalo to San Jose
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 Jose in June.
| 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 Buffalo-San Jose, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San Jose, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San Jose, California flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-San Jose, California 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 Jose, California 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 Jose
Have a flexible travel schedule? Discover the best time to fly to San Jose from Buffalo with our price prediction graph.
BUF-SJC
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 Jose
What is the cheapest month to book a flight from Buffalo to San Jose, California?
Currently, January is the cheapest month in which you can book a flight from Buffalo to San Jose, California (average of $393). Flying from Buffalo to San Jose, California in December is currently the most expensive (average of $692). 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 Jose, California?
Reviews of airlines servicing San Jose
Get insights into the airlines that provide service to San Jose. 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 Jose. Reviews last updated June 23, 2026.
Read reviews from past customers who have flown Southwest from Buffalo to San Jose. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Buffalo to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to San Jose by adding a car rental and/or hotel reservation to your travel itinerary.
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Buffalo and San Jose flights
Browse other Buffalo and San Jose flight options. Last updated on June 23, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Jose
Explore flights to San Jose departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
Top airline flying from Buffalo to San Jose
Discover the top airline that operate flights from Buffalo to San Jose. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$367 | Average$546 | FlexibilityNo cancel fee | On-time63% |