$151+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJC
May 26 — Jun 21
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to San Jose with Cheapflights
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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 April 26, 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 April 26, 2026.
This Delta deal was found by Cheapflights users on 4/22. 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 5/284:55 pm
BUF
- SJC
1 stop9h 00m
Delta
Mon 6/112:12 pm
SJC
- BUF
1 stop8h 47m
Delta
Deal found 4/22![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 4/22. 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.
Sat 5/302:00 pm
BUF
- SJC
1 stop9h 55m
Southwest
Mon 6/810:55 pm
SJC
- BUF
1 stop8h 30m
Southwest
Deal found 4/22![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 4/25. 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 6/96:00 am
BUF
- SJC
2 stops12h 53m
Delta
Wed 6/106:35 am
SJC
- BUF
1 stop9h 15m
Delta
Deal found 4/25![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 4/25. 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 6/65:26 pm
BUF
- SJC
1 stop8h 29m
Delta
Wed 6/106:35 am
SJC
- BUF
1 stop9h 15m
Delta
Deal found 4/25![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 4/22. 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 5/305:26 pm
BUF
- SJC
1 stop8h 29m
Delta
Mon 6/85:01 pm
SJC
- BUF
2 stops12h 17m
Delta
Deal found 4/22![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/25. 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 6/65:26 pm
BUF
- SJC
1 stop8h 29m
Delta
Tue 6/167:10 pm
SJC
- BUF
2 stops10h 13m
Delta
Deal found 4/25![Delta logo]()
$392
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 April 26, 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 April 26, 2026.
This Delta deal was found by Cheapflights users on 4/22. 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 5/284:55 pm
BUF
- SJC
1 stop9h 00m
Delta
Mon 6/112:12 pm
SJC
- BUF
1 stop8h 47m
Delta
Deal found 4/22![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 4/22. 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.
Mon 6/154:05 pm
BUF
- SJC
1 stop10h 20m
Southwest
Tue 6/239:40 pm
SJC
- BUF
1 stop7h 20m
Southwest
Deal found 4/22![Southwest logo]()
$432
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/35:52 pm
BUF
- SJC
1 stop7h 38m
United Airlines
Sat 6/66:37 pm
SJC
- BUF
2 stops12h 14m
United Airlines
Deal found 4/21![United Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 4/25. 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 7/86:00 am
BUF
- SJC
1 stop8h 30m
Delta
Mon 7/1312:40 pm
SJC
- BUF
1 stop8h 19m
Delta
Deal found 4/25![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 4/21. 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 5/56:00 am
BUF
- SJC
1 stop9h 21m
Delta
Tue 5/127:10 am
SJC
- BUF
1 stop8h 34m
Delta
Deal found 4/21![Delta logo]()
$453
This Southwest deal was found by Cheapflights users on 4/22. 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.
Sun 6/147:20 am
BUF
- SJC
2 stops10h 00m
Southwest
Mon 6/227:40 pm
SJC
- BUF
2 stops9h 20m
Southwest
Deal found 4/22![Southwest logo]()
$508
This Delta deal was found by Cheapflights users on 4/25. 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.
Sun 6/76:29 am
BUF
- SJC
2 stops10h 50m
Delta
Fri 6/127:10 pm
SJC
- BUF
2 stops10h 13m
Delta
Deal found 4/25![Delta logo]()
$468
This Delta deal was found by Cheapflights users on 4/24. 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 7/95:12 pm
BUF
- SJC
1 stop8h 37m
Delta
Thu 7/166:15 am
SJC
- BUF
1 stop9h 09m
Delta
Deal found 4/24![Delta logo]()
$497
Last-minute flights from Buffalo to San JoseDiscover last-minute flight deals from Buffalo to San Jose. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to San Jose. Data last updated April 26, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 4/22. 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.
Wed 5/203:10 pm
BUF
- SJC
2 stops9h 50m
Southwest
Wed 5/279:40 pm
SJC
- BUF
1 stop7h 10m
Southwest
Deal found 4/22![Southwest logo]()
$443
This Delta deal was found by Cheapflights users on 4/25. 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 5/224:55 pm
BUF
- SJC
1 stop9h 00m
Delta
Sun 5/249:40 am
SJC
- BUF
2 stops10h 14m
Delta
Deal found 4/25![Delta logo]()
$462
This Delta deal was found by Cheapflights users on 4/23. 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 5/2612:18 pm
BUF
- SJC
1 stop9h 44m
Delta
Fri 5/297:10 am
SJC
- BUF
1 stop8h 34m
Delta
Deal found 4/23![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/2612:51 pm
BUF
- SJC
2 stops12h 52m
American Airlines
Fri 5/297:24 pm
SJC
- BUF
2 stops11h 48m
American Airlines
Deal found 4/23![American Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 4/22. 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 5/284:55 pm
BUF
- SJC
1 stop9h 00m
Delta
Mon 6/112:12 pm
SJC
- BUF
1 stop8h 47m
Delta
Deal found 4/22![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 4/22. 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.
Sat 5/302:00 pm
BUF
- SJC
1 stop9h 55m
Southwest
Mon 6/810:55 pm
SJC
- BUF
1 stop8h 30m
Southwest
Deal found 4/22![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 4/22. 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 5/305:26 pm
BUF
- SJC
1 stop8h 29m
Delta
Mon 6/85:01 pm
SJC
- BUF
2 stops12h 17m
Delta
Deal found 4/22![Delta logo]()
$379
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 April 26, 2026.
Search for one-way flight options from Buffalo to San Jose. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Fri 6/52:49 pm
BUF
- SJC
2 stops24h 10m
Frontier
Deal found 4/23![Frontier logo]()
$151
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 6/112:04 pm
BUF
- SJC
2 stops13h 10m
Delta
Deal found 4/21![Delta logo]()
$160
This Delta deal was found by Cheapflights users on 4/21. 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 5/124:55 pm
BUF
- SJC
1 stop9h 05m
Delta
Deal found 4/21![Delta logo]()
$165
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/54:46 pm
BUF
- SJC
1 stop9h 27m
American Airlines
Deal found 4/23![American Airlines logo]()
$181
This Southwest deal was found by Cheapflights users on 4/23. 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 6/15:45 am
BUF
- SJC
1 stop9h 35m
Southwest
Deal found 4/23![Southwest logo]()
$189
This Delta deal was found by Cheapflights users on 4/21. 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 6/176:00 am
BUF
- SJC
1 stop8h 36m
Delta
Deal found 4/21![Delta logo]()
$199
This Delta deal was found by Cheapflights users on 4/21. 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 6/166:07 am
BUF
- SJC
2 stops11h 12m
Delta
Deal found 4/21![Delta logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Sun 5/1011:36 am
BUF
- SJC
2 stops27h 23m
Frontier
Deal found 4/24![Frontier logo]()
$214
This Delta deal was found by Cheapflights users on 4/23. 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.
Mon 5/114:55 pm
BUF
- SJC
1 stop9h 00m
Delta
Deal found 4/23![Delta logo]()
$223
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 April 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (Delta) |
One-way from | $151 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $394 |
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 April 26, 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
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Thu 5/28
4:55 pm-10:55 pm
1 stop9h 00m
San Jose
Mon 6/1
12:12 pm-11:59 pm
1 stop8h 47m
$309
Quickest round-trip
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Wed 7/8
6:00 am-11:30 am
1 stop8h 30m
San Jose
Mon 7/13
12:40 pm-11:59 pm
1 stop8h 19m
$427
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Mon 6/15
4:05 pm-11:25 pm
1 stop10h 20m
San Jose
Tue 6/23
9:40 pm-8:00 am
1 stop7h 20m
$432
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Wed 6/3
5:52 pm-10:30 pm
1 stop7h 38m
San Jose
Sat 6/6
6:37 pm-9:51 am
2 stops12h 14m
$447
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Tue 5/5
6:00 am-12:21 pm
1 stop9h 21m
San Jose
Tue 5/12
7:10 am-6:44 pm
1 stop8h 34m
$453
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Sun 6/7
6:29 am-2:19 pm
2 stops10h 50m
San Jose
Fri 6/12
7:10 pm-8:23 am
2 stops10h 13m
$468
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Thu 7/9
5:12 pm-10:49 pm
1 stop8h 37m
San Jose
Thu 7/16
6:15 am-6:24 pm
1 stop9h 09m
$497
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Sun 6/14
7:20 am-2:20 pm
2 stops10h 00m
San Jose
Mon 6/22
7:40 pm-8:00 am
2 stops9h 20m
$508
Cheapest one-way
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Mon 6/1
12:04 pm-10:14 pm
2 stops13h 10m
$160
BuffaloSan Jose
BUF - SJC
BUFSJC
Buffalo
Tue 5/12
12:18 pm-7:02 pm
1 stop9h 44m
$183
Showing 1-10 of 14 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 April.
| 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 April 26, 2026.
Read reviews from past customers who have flown Southwest and Delta 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.
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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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Find flights from Buffalo to San Jose, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and San Jose flights
Browse other Buffalo and San Jose flight options. Last updated on April 26, 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 April 26, 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 April 26, 2026.
Top 2 airlines flying from Buffalo to San Jose
Discover the top 2 airlines 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 April 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$292 | Average$466 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$361 | Average$487 | FlexibilityNo cancel fee | On-time63% |