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$129+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BUF
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This Southwest deal was found by Cheapflights users on 12/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:20 pmSJC - BUF
2 stops13h 45mSouthwest
Thu 12/253:00 pmBUF - SJC
1 stop9h 50mSouthwest
Deal found 12/2$538
This Southwest deal was found by Cheapflights users on 12/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:35 amSJC - BUF
1 stop9h 45mSouthwest
Sun 12/213:10 pmBUF - SJC
1 stop10h 40mSouthwest
Deal found 12/3$557
This Southwest deal was found by Cheapflights users on 12/4. 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 12/224:10 pmSJC - BUF
1 stop6h 10mSouthwest
Sat 1/37:50 pmBUF - SJC
2 stops15h 50mSouthwest
Deal found 12/4$678
This Southwest deal was found by Cheapflights users on 12/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:05 amSJC - BUF
1 stop7h 05mSouthwest
Sun 1/42:45 pmBUF - SJC
2 stops11h 05mSouthwest
Deal found 12/3$797
This Southwest deal was found by Cheapflights users on 12/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:20 pmSJC - BUF
2 stops13h 45mSouthwest
Fri 12/265:45 amBUF - SJC
1 stop9h 50mSouthwest
Deal found 12/2$803

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$262
(Delta)

One-way from

$129
(Delta)

Popular in

December

Cheapest in

August

Average price

$661
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. 12% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 4, 2025.
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

Tue 2/3

8:40 am-8:29 pm

2 stops8h 49m

Buffalo

Wed 2/4

1:59 pm-1:39 pm

2 stops26h 40m

$483

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Thu 5/21

6:00 am-4:29 pm

1 stop7h 29m

Buffalo

Thu 5/28

7:01 am-11:39 am

1 stop7h 38m

$508

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Sat 12/20

9:20 pm-2:05 pm

2 stops13h 45m

Buffalo

Thu 12/25

3:00 pm-9:50 pm

1 stop9h 50m

$538

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Thu 12/18

6:35 am-7:20 pm

1 stop9h 45m

Buffalo

Sun 12/21

3:10 pm-10:50 pm

1 stop10h 40m

$557

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Thu 5/21

9:05 am-11:03 pm

2 stops10h 58m

Buffalo

Thu 5/28

10:30 am-6:49 pm

2 stops11h 19m

$577

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Mon 12/22

4:10 pm-1:20 am

1 stop6h 10m

Buffalo

Sat 1/3

7:50 pm-8:40 am

2 stops15h 50m

$678

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Thu 1/22

10:45 pm-11:08 am

1 stop9h 23m

$129

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Tue 1/6

7:00 pm-8:05 am

2 stops10h 05m

$132

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Thu 1/22

12:34 pm-11:34 am

3 stops44h 00m

$161

San JoseBuffalo

SJC - BUF

SJCBUF

San Jose

Wed 3/25

9:50 pm-7:50 am

1 stop7h 00m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 15 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Jose, California-Buffalo flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $135). 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.

What is the cheapest time of day to fly from SJC to BUF?

Find hourly flight availability from San Jose to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

It’s typically best to fly out from San Jose, California to Buffalo in the evening. Doing so could potentially save you 44% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 December 4, 2025.
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
4,254 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

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
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

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
8,011 reviews
Southwest
8.0
Very good
4,254 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

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 $483, Delta can have you in Buffalo from San Jose, California in 8h 49m. 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 38% 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 $135). 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
Orchard Park
Batavia
Williamsville
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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$272Average$342FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$330Average$436FlexibilityNo cancel feeOn-time63%

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