Cheap flights from Seattle to San Jose

One-way fares from $67 · SEA → SJC · prices found by travellers in the last 48 hours

Compare all dates San Jose → Seattle
Cheapest fare
$67

Alaska Airlines · Wed, Dec 16

Cheapest month
December

from $67

Direct flights
Yes

Alaska Airlines

Flight time
2h 09m

1,140 km

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Cheapest month to fly from Seattle to San Jose

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $306
  2. December 2026 Cheapest $67
  3. June 2027 $173

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Alaska Airlines
Depart15:35 Wed, Dec 16SEA → SJC 2h 12m · Direct
$67one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to San Jose

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in San JoseCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in San JoseTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in San JosePre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in San JoseCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Seattle to San Jose

Seattle (SEA) and San Jose (SJC) are about 1,140 km apart. Direct flights take around 2h 09m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $67, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Seattle to San Jose?

The cheapest one-way fare we've seen recently is $67 with Alaska Airlines, departing Wednesday, December 16, 2026. Over the coming months, the lowest fare in each month ranges from $67 to $306.

What is the cheapest month to fly from Seattle to San Jose?

December 2026 currently has the lowest fares, from $67 one way.

Are there direct flights from Seattle to San Jose?

Yes. Recent direct fares were with Alaska Airlines.

How long is the flight from Seattle to San Jose?

A direct flight takes about 2h 09m. Seattle and San Jose are around 1,140 km apart.

Which airlines fly from Seattle to San Jose?

Recent fares on this route were with American Airlines and Alaska Airlines.

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