San Jose to Seattle flights
The cheapest round trip we found from San Jose to Seattle is $124 (Dec 15 – 24, Nonstop), 20% below the usual $155.
SJC to SEA · Round trip · Economy · Prices per person in USD · Price found (6 minutes ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $173 |
| December 2026 | $124 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 15 – 24 9 nights · leave Tue$124 −20% vs usual$124 −20% vs usual Book
Southwest Airlines Nonstop · 2h 20m -
Dec 16 – 24 8 nights · leave Wed$134 −14% vs usual$134 −14% vs usual Book
Alaska Airlines Nonstop · 2h 21m -
Dec 23 – 29 6 nights · leave Wed$241 +55% vs usual$241 +55% vs usual Book
Alaska Airlines 1 stop · 3h 02m
-
Nov 27 – 29 2 nights · leave Fri$264 +70% vs usual$264 +70% vs usual Book
Alaska Airlines Nonstop · 2h 19m
-
Nov 5 – 11 6 nights · leave Thu$623 +302% vs usual$623 +302% vs usual Book
American Airlines 1 stop · 5h 25m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Seattle
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Airport transfer to Seattle
Fixed prices from SEA on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
Seattle · Dec 15 – 24Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
More from San Jose
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- Long Beach $89 −18%
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- Ontario $89 −5%
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Flights to Seattle from other cities
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- Ontario $208 −8%
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San Jose to Seattle: questions
How much does a flight from San Jose to Seattle cost?
The cheapest round trip we have found right now is $124, leaving December 15 and returning December 24. The usual price on this route is about $155, so this fare is 20% less. Prices are per person, economy, in USD.
Which airports do San Jose to Seattle flights use?
San Jose airports include Norman Y. Mineta San Jose International (SJC). Seattle airports include Seattle-Tacoma International (SEA) and Boeing Field International (BFI). The prices on this page cover every airport in both cities (SJC and SEA are the city codes).
About this route
We track round-trip economy fares from San Jose (United States) to Seattle (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $124, departing December 15 and returning December 24 on a nonstop flight, about 20% below the usual $155. Right now we're following 5 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $124. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.