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$159+ Cheap flights from San Jose, CA to Buffalo (SJC - 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUF
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from San Jose to Buffalo

Cheapest flights from San Jose to Buffalo
Explore the most affordable flight options available from San Jose to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:35 am
SJC
-
BUF
1 stop6h 40m
Southwest
Fri 3/65:45 am
BUF
-
SJC
1 stop10h 00m
Southwest
Deal found 1/21$372
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 6/26:30 pm
SJC
-
BUF
2 stops12h 17m
United Airlines
Wed 6/105:50 pm
BUF
-
SJC
1 stop7h 46m
United Airlines
Deal found 1/21$382
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:40 am
SJC
-
BUF
1 stop8h 10m
Southwest
Sun 5/37:50 pm
BUF
-
SJC
1 stop7h 05m
Southwest
Deal found 1/21$398
This Delta deal was found by Cheapflights users on 1/21. 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 9/910:20 pm
SJC
-
BUF
1 stop9h 55m
Delta
Sun 9/133:50 pm
BUF
-
SJC
1 stop8h 58m
Delta
Deal found 1/21$407
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:45 pm
SJC
-
BUF
2 stops11h 38m
Delta
Fri 5/153:50 pm
BUF
-
SJC
1 stop8h 58m
Delta
Deal found 1/20$416
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:56 pm
SJC
-
BUF
1 stop6h 27m
Delta
Fri 5/153:50 pm
BUF
-
SJC
1 stop8h 58m
Delta
Deal found 1/20$437
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:30 pm
SJC
-
BUF
2 stops12h 56m
United Airlines
Fri 6/55:50 pm
BUF
-
SJC
1 stop7h 46m
United Airlines
Deal found 1/20$442

Find flight deals from San Jose to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$398
(Southwest)

One-way from

$159
(Delta)

Popular in

January

Cheapest in

August

Average price

$699
Provider with most accurate pricing for San Jose-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Buffalo flights.
Search Deals
From San Jose to Buffalo
Search Deals
One-way flight from San Jose to Buffalo
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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 January 21, 2026.
Use the filters below to find and compare flights from San Jose to Buffalo that are best for you.

Fly from

San Jose

Fly to

Buffalo

Route

Depart

Return

Price

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Sat 2/28

6:35 am-4:15 pm

1 stop6h 40m

Buffalo

Fri 3/6

5:45 am-12:45 pm

1 stop10h 00m

$372

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Wed 6/3

6:30 pm-9:47 am

2 stops12h 17m

Buffalo

Wed 6/10

10:50 am-5:43 pm

2 stops9h 53m

$388

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Wed 4/29

11:40 am-10:50 pm

1 stop8h 10m

Buffalo

Sun 5/3

7:50 pm-11:55 pm

1 stop7h 05m

$398

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Sat 5/9

5:45 pm-8:23 am

2 stops11h 38m

Buffalo

Fri 5/15

3:50 pm-9:48 pm

1 stop8h 58m

$416

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Sat 5/23

6:40 am-4:47 pm

1 stop7h 07m

Buffalo

Fri 6/5

5:50 pm-10:36 pm

1 stop7h 46m

$437

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Fri 5/8

10:56 pm-8:23 am

1 stop6h 27m

Buffalo

Fri 5/15

3:50 pm-9:48 pm

1 stop8h 58m

$437

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Sun 5/24

6:40 am-4:47 pm

1 stop7h 07m

Buffalo

Fri 6/5

5:50 pm-10:36 pm

1 stop7h 46m

$437

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Wed 2/18

6:20 am-10:57 pm

2 stops13h 37m

$159

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Tue 4/7

1:25 pm-11:46 pm

1 stop7h 21m

$180

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Wed 3/25

10:15 am-10:40 pm

2 stops9h 25m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 17 results
1
2

Compare providers for flights from San Jose 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 Jose to Buffalo in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Jose, California-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-Buffalo flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-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 Jose to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from San Jose with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Buffalo

What is the cheapest month to book a flight from San Jose, California to Buffalo?

Currently, March is the cheapest month in which you can book a flight from San Jose, California to Buffalo (average of $123). Flying from San Jose, California to Buffalo in July is currently the most expensive (average of $261). 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.

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated January 21, 2026.
Get a feel of what it's like to fly with Southwest and Delta from San Jose to Buffalo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,088 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Jose, California to Buffalo?

    For as low as $372, Southwest can have you in Buffalo from San Jose, California in 6h 40m. There are 2286 mi between San Jose, California and Buffalo. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Jose, California to Buffalo round-trip?

    Flying on Delta is currently your cheapest option to Buffalo, with prices starting at $272. Another option worth looking into is Southwest, starting at $330 round trip. Delta is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from San Jose to Buffalo that include hotel bookings?

    Yes. In addition to deals on San Jose to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Buffalo.

  • Can I find deals for business class flights from San Jose to Buffalo?

    Yes. Cheapflights offers flight deals from San Jose to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Jose, California to Buffalo?

    Currently, March is the cheapest month in which you can book a flight from San Jose, California to Buffalo (average of $123). Flying from San Jose, California to Buffalo in July is currently the most expensive (average of $261). 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.

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Lockport
Cheektowaga
Batavia
Williamsville
Orchard Park
Eden
Amherst
West Seneca

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Top 2 airlines flying from San Jose to Buffalo

Discover the top 2 airlines that operate flights from San Jose to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$272Average$342FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$330Average$436FlexibilityNo cancel feeOn-time63%

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