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San Jose

$144+ Cheap flights from Buffalo to San Jose (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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 12, 2025.

Round-trip from

$287
(Delta)

One-way from

$144
(Delta)

Popular in

December

Cheapest in

July

Average price

$456
From Buffalo to San Jose
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One-way flight from Buffalo to San Jose
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Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Buffalo to San Jose

Cheapest flights from Buffalo to San Jose
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 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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 8/65:03 pmBUF - SJC
1 stop8h 47mDelta
Wed 8/1310:25 pmSJC - BUF
1 stop6h 57mDelta
Deal found 6/11$287
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/67:08 amBUF - SJC
1 stop8h 11mAmerican Airlines
Wed 8/138:00 amSJC - BUF
2 stops10h 40mAmerican Airlines
Deal found 6/11$292
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/286:00 amBUF - SJC
2 stops14h 17mUnited Airlines
Mon 9/16:30 amSJC - BUF
1 stop7h 22mUnited Airlines
Deal found 6/11$302
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.
Wed 10/223:05 pmBUF - SJC
1 stop10h 35mSouthwest
Sun 10/268:25 amSJC - BUF
1 stop7h 20mSouthwest
Deal found 6/10$353
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/411:40 amBUF - SJC
2 stops25h 56mMultiple Airlines
Thu 8/76:30 amSJC - BUF
2 stops25h 08mMultiple Airlines
Deal found 6/10$380
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Wed 7/25:04 pmBUF - SJC
1 stop21h 14mFrontier
Thu 7/2412:18 pmSJC - BUF
1 stop21h 58mFrontier
Deal found 6/11$426
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:02 amBUF - SJC
2 stops12h 13mAlaska Airlines
Sun 10/1210:53 amSJC - BUF
2 stops9h 32mAlaska Airlines
Deal found 6/11$858

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 12, 2025.
Use the filters below to find and compare flights from Buffalo to San Jose that are best for you.

Fly from

Buffalo

Fly to

San Jose

Route

Depart

Return

Price

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Wed 8/6

5:03 pm-10:50 pm

1 stop8h 47m

San Jose

Wed 8/13

10:25 pm-8:22 am

1 stop6h 57m

$287

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Wed 8/6

7:08 am-12:19 pm

1 stop8h 11m

San Jose

Wed 8/13

8:00 am-9:40 pm

2 stops10h 40m

$292

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Thu 8/28

6:00 am-5:17 pm

2 stops14h 17m

San Jose

Mon 9/1

6:30 am-4:52 pm

1 stop7h 22m

$302

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Wed 10/22

3:05 pm-10:40 pm

1 stop10h 35m

San Jose

Sun 10/26

8:25 am-6:45 pm

1 stop7h 20m

$353

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Mon 8/4

11:40 am-10:36 am

2 stops25h 56m

San Jose

Thu 8/7

6:30 am-10:38 am

2 stops25h 08m

$380

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Wed 7/2

5:04 pm-11:18 am

1 stop21h 14m

San Jose

Thu 7/24

12:18 pm-1:16 pm

1 stop21h 58m

$426

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Fri 10/10

8:02 am-5:15 pm

2 stops12h 13m

San Jose

Mon 10/20

10:53 am-11:25 pm

2 stops9h 32m

$727

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Wed 9/3

5:10 pm-10:23 pm

1 stop8h 13m

$144

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Fri 7/4

10:50 am-6:26 pm

1 stop10h 36m

$183

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Wed 7/9

6:15 am-5:00 pm

1 stop13h 45m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 13 results
1
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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.
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?

Currently, September is the cheapest month in which you can book a flight from Buffalo to San Jose (average of $255). Flying from Buffalo to San Jose in June is currently the most expensive (average of $344). 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 BUF to SJC?

Find hourly flight availability from Buffalo to San Jose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Buffalo to San Jose at noon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the morning.

Rainfall in San Jose by month

Plan your trip to San Jose by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Jose ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose when rainfall is around 0.0 in.

Temperature in San Jose by month

Plan your trip to San Jose by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Jose, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

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 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    According to our current data, Delta ($287), American Airlines ($292), and United Airlines ($302) offers the cheapest pricing from Buffalo to San Jose. Delta is currently priced 38% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Buffalo to San Jose one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $144. However, be on the lookout for offers from United Airlines and Southwest, as they are both options that can get you from Buffalo to San Jose for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buffalo to San Jose 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 Buffalo to San Jose?

    Currently, September is the cheapest month in which you can book a flight from Buffalo to San Jose (average of $255). Flying from Buffalo to San Jose in June is currently the most expensive (average of $344). 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

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Top 4 airlines flying from Buffalo to San Jose

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$260Average$536FlexibilityNo cancel feeOn-time71%
DeltaCheapest$292Average$446FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$356Average$462FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$475Average$713FlexibilityNo cancel feeOn-time69%

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