Cheap flights from San Jose to Seattle

One-way fares from $68 · SJC → SEA · prices found by travellers in the last 48 hours

Compare all dates Seattle → San Jose
Cheapest fare
$68

Alaska Airlines · Mon, Dec 7

Cheapest month
December

from $68

Direct flights
Yes

Alaska Airlines

Flight time
2h 18m

1,140 km

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Cheapest month to fly from San Jose to Seattle

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

  1. November 2026 $180
  2. December 2026 Cheapest $68

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About flights from San Jose to Seattle

San Jose (SJC) and Seattle (SEA) are about 1,140 km apart. Direct flights take around 2h 18m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $68, 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 San Jose to Seattle?

The cheapest one-way fare we've seen recently is $68 with Alaska Airlines, departing Monday, December 7, 2026. Over the coming months, the lowest fare in each month ranges from $68 to $180.

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

December 2026 currently has the lowest fares, from $68 one way.

Are there direct flights from San Jose to Seattle?

Yes. Recent direct fares were with Alaska Airlines.

How long is the flight from San Jose to Seattle?

A direct flight takes about 2h 18m. San Jose and Seattle are around 1,140 km apart.

Which airlines fly from San Jose to Seattle?

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

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