What is the cheapest airline that flies from Buffalo to San Jose?

Frontier, Delta, and Southwest are the most popular carriers operating from Buffalo to San Jose

What airlines fly to San Jose?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to San Jose from Buffalo according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to San Jose. Keep in mind that there are 6 different airlines that fly to San Jose on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Buffalo Airport to San Jose Airport?

Prices for flights from Buffalo Airport to San Jose Airport are updated daily.

How many operators does momondo search for flights from Buffalo Airport to San Jose Airport?

There are 3 operators available for flights from Buffalo Airport to San Jose Airport as of July 2025.

How old do you have to be to fly from Buffalo Airport to San Jose Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to San Jose Airport.

What documentation or ID do you need to fly to San Jose Airport?

The required travel and health documents for your San Jose Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Jose Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$137 Cheap Flights from Buffalo to San Jose in 2025

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Find the cheapest flights from Buffalo to San Jose

Round-trip

One-way

Last minute

Cheap round-trip flights

5:14 pm - 10:17 pmBUF-SJC

8h 03m1 stop

12:27 pm - 11:40 pmSJC-BUF

8h 13m1 stop

$287Delta

Find Deal

Sat, Nov 1 - Tue, Nov 4

6:20 am - 2:42 pmBUF-SJC

11h 22m2 stops

12:27 pm - 11:40 pmSJC-BUF

8h 13m1 stop

$292Delta

Find Deal

Sat, Nov 1 - Tue, Nov 4

7:25 am - 12:30 pmBUF-SJC

8h 05m1 stop

11:10 am - 11:30 pmSJC-BUF

9h 20m1 stop

$312Southwest

Find Deal

Sun, Aug 31 - Thu, Sep 4

7:25 am - 12:30 pmBUF-SJC

8h 05m1 stop

11:30 am - 11:30 pmSJC-BUF

9h 00m2 stops

$317Southwest

Find Deal

Sun, Aug 31 - Thu, Sep 4

6:34 am - 1:18 pmBUF-SJC

9h 44m1 stop

6:00 am - 4:26 pmSJC-BUF

7h 26m1 stop

$377American Airlines

Find Deal

Fri, Nov 7 - Mon, Nov 10

10:09 am - 6:31 pmBUF-SJC

11h 22m2 stops

6:00 am - 4:26 pmSJC-BUF

7h 26m1 stop

$382American Airlines

Find Deal

Fri, Nov 7 - Mon, Nov 10

5:54 pm - 10:40 pmBUF-SJC

7h 46m1 stop

8:45 am - 9:16 pmSJC-BUF

9h 31m2 stops

$432United Airlines

Find Deal

Wed, Aug 27 - Sun, Aug 31

8:33 am - 1:34 pmBUF-SJC

8h 01m1 stop

6:30 am - 4:52 pmSJC-BUF

7h 22m1 stop

$472United Airlines

Find Deal

Sun, Aug 31 - Thu, Sep 4

11:48 am - 7:21 pmBUF-SJC

10h 33m2 stops

7:02 pm - 11:04 amSJC-BUF

13h 02m2 stops

$557Alaska Airlines

Find Deal

Wed, Aug 27 - Sun, Aug 31

5:30 am - 2:28 pmBUF-SJC

11h 58m2 stops

6:11 pm - 9:39 amSJC-BUF

12h 28m2 stops

$979Alaska Airlines

Find Deal

Fri, Aug 15 - Tue, Aug 19

Delta flights from Buffalo to San Jose

Our best Delta deals on Buffalo to San Jose flight tickets

Delta

Nov 1

BUF5:14 pmBuffalo

8h 03m

1 stop

SJC10:17 pmSan Jose

Nov 4

SJC12:27 pmSan Jose

8h 13m

1 stop

BUF11:40 pmBuffalo

$287

Find similar

Delta

Nov 1

BUF6:20 amBuffalo

11h 22m

2 stops

SJC2:42 pmSan Jose

Nov 4

SJC12:27 pmSan Jose

8h 13m

1 stop

BUF11:40 pmBuffalo

$292

Find similar

Delta

Nov 1

BUF6:20 amBuffalo

9h 30m

2 stops

SJC12:50 pmSan Jose

Nov 4

SJC8:10 pmSan Jose

11h 09m

2 stops

BUF10:19 amBuffalo

$297

Find similar

Southwest flights from Buffalo to San Jose

Our best Southwest deals on Buffalo to San Jose flight tickets

Southwest

Aug 31

BUF7:25 amBuffalo

8h 05m

1 stop

SJC12:30 pmSan Jose

Sep 4

SJC11:10 amSan Jose

9h 20m

1 stop

BUF11:30 pmBuffalo

$312

Find similar

Southwest

Aug 31

BUF7:25 amBuffalo

8h 05m

1 stop

SJC12:30 pmSan Jose

Sep 4

SJC11:30 amSan Jose

9h 00m

2 stops

BUF11:30 pmBuffalo

$317

Find similar

Southwest

Oct 11

BUF5:05 pmBuffalo

7h 25m

1 stop

SJC9:30 pmSan Jose

Oct 16

SJC8:55 pmSan Jose

7h 55m

1 stop

BUF7:50 amBuffalo

$331

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Sat 11/1

5:14 pm-10:17 pm

1 stop8h 03m

San Jose

Tue 11/4

12:27 pm-11:40 pm

1 stop8h 13m

$287

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Sat 11/1

6:20 am-2:42 pm

2 stops11h 22m

San Jose

Tue 11/4

12:27 pm-11:40 pm

1 stop8h 13m

$292

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Sun 8/31

7:25 am-12:30 pm

1 stop8h 05m

San Jose

Thu 9/4

11:10 am-11:30 pm

1 stop9h 20m

$312

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Sun 8/31

7:25 am-12:30 pm

1 stop8h 05m

San Jose

Thu 9/4

11:30 am-11:30 pm

2 stops9h 00m

$317

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Fri 11/7

6:34 am-1:18 pm

1 stop9h 44m

San Jose

Mon 11/10

6:00 am-4:26 pm

1 stop7h 26m

$377

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Fri 11/7

10:09 am-6:31 pm

2 stops11h 22m

San Jose

Mon 11/10

6:00 am-4:26 pm

1 stop7h 26m

$382

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Wed 8/27

5:54 pm-10:40 pm

1 stop7h 46m

San Jose

Sun 8/31

8:45 am-9:16 pm

2 stops9h 31m

$432

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Sun 8/31

8:33 am-1:34 pm

1 stop8h 01m

San Jose

Thu 9/4

6:30 am-4:52 pm

1 stop7h 22m

$472

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Wed 8/27

11:48 am-7:21 pm

2 stops10h 33m

San Jose

Sun 8/31

7:02 pm-11:04 am

2 stops13h 02m

$557

BuffaloSan Jose

BUF - SJC

BUFSJC

Buffalo

Fri 8/15

5:30 am-2:28 pm

2 stops11h 58m

San Jose

Tue 8/19

6:11 pm-9:39 am

2 stops12h 28m

$979

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to San Jose

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to San Jose?

In general, January is the cheapest month to fly from Buffalo to San Jose. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $381. If you aren’t able to travel to San Jose during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $381.

What is the cheapest day to depart on your flight to San Jose?

The cheapest day to depart on your flight to San Jose is on a Thursday when prices can be found for as low as $477. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Jose on Sunday is $813.

What is the cheapest time of day to depart on your flight to San Jose?

Our most recent data shows that the best time of day to fly to San Jose is in the afternoon. Flights from Buffalo to San Jose during this time can be as low as $481. In contrast, the most expensive time of day to depart to San Jose is in the morning when prices are around $568.

How have Buffalo to San Jose flight prices changed over time?

When to book flights from Buffalo to San Jose

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to San Jose according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Buffalo to San Jose (BUF to SJC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to San Jose

Best Price Found	$137
Fastest flight time	7h 25m
Direct flights	None
Airports in San Jose	1 airport

The best one-way flight to San Jose from Buffalo in the past 72 hours is $137. The best round-trip flight deal from Buffalo to San Jose found on momondo in the last 72 hours is $287.

The fastest flight from Buffalo to San Jose takes 7h 25m

There are no direct flights from Buffalo to San Jose. Popular non-direct route for this connection is Buffalo Airport - San Jose Airport.

There is 1 airport near San Jose: San Jose (SJC)

Search flight deals

How far is Buffalo to San Jose by plane?
A flight from Buffalo to San Jose will travel around 2277.9 mi. 7h 25m is a normal flight duration for this route.
When did momondo last update prices for flights from Buffalo Airport to San Jose Airport?
Prices for flights from Buffalo Airport to San Jose Airport are updated daily.
How many operators does momondo search for flights from Buffalo Airport to San Jose Airport?
There are 3 operators available for flights from Buffalo Airport to San Jose Airport as of July 2025.
How old do you have to be to fly from Buffalo Airport to San Jose Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to San Jose Airport.
What documentation or ID do you need to fly to San Jose Airport?
The required travel and health documents for your San Jose Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Jose Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Buffalo to San Jose?
momondo data reveals that the most frequently booked airline on the route from Buffalo to San Jose is Southwest, representing 69% of all bookings. The subsequent popular airlines are Delta at 19% and American Airlines at 12%.

Best airlines flying from Buffalo to San Jose

Compare and see reviews for airlines that fly from Buffalo to San Jose with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $260	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $292	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Southwest	PriceFrom $355	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to San Jose?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to San Jose. momondo saves you time and could save you money on your trip.

Can I find flights from Buffalo to San Jose with flexible booking policies on momondo?

Yes. All flights to San Jose from Buffalo on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Buffalo to San Jose?

Once all potential Buffalo to San Jose flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Buffalo to San Jose right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Buffalo to San Jose now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Jose and let you know when they change.