Cheap Flights from Seattle to Redwood City

View €49 flight on Thu, 21 Aug 2025Opens in a new window

Popular airlines from Seattle to Redwood City

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Cheap flights from Seattle to Redwood City (SEA-SJC)

Prices were available within the past 7 days and start at €49 for one-way flights and €96 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 21 Aug - Mon, 25 Aug
SEA
Seattle
SJC
San Jose
€96 Return, found 1 hour ago
€96
Return
found 1 hour ago
Select Delta flight, departing Thu, 21 Aug from Seattle to San Jose, returning Mon, 25 Aug, priced at €96 found 1 hour ago
Delta
Thu, 21 Aug - Mon, 25 Aug
SEA
Seattle
SJC
San Jose
€105 Return, found 1 hour ago
€105
Return
found 1 hour ago
Select Delta flight, departing Thu, 21 Aug from Seattle to San Jose, returning Mon, 25 Aug, priced at €105 found 1 hour ago
American Airlines
Thu, 21 Aug - Mon, 25 Aug
SEA
Seattle
SJC
San Jose
€146 Return, found 1 hour ago
€146
Return
found 1 hour ago
Select American Airlines flight, departing Thu, 21 Aug from Seattle to San Jose, returning Mon, 25 Aug, priced at €146 found 1 hour ago
United
Sat, 2 Aug - Mon, 4 Aug
SEA
Seattle
SFO
San Francisco
€181 Return, found 22 hours ago
€181
Return
found 22 hours ago
Select United flight, departing Sat, 2 Aug from Seattle to San Francisco, returning Mon, 4 Aug, priced at €181 found 22 hours ago
Alaska Airlines
Thu, 21 Aug - Mon, 25 Aug
PAE
Seattle
SJC
San Jose
€572 Return, found 1 hour ago
€572
Return
found 1 hour ago
Select Alaska Airlines flight, departing Thu, 21 Aug from Seattle to San Jose, returning Mon, 25 Aug, priced at €572 found 1 hour ago
Hawaiian Airlines
Thu, 14 Aug - Sun, 17 Aug
SEA
Seattle
SJC
San Jose
€1,173 Return, found 6 days ago
€1,173
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, 14 Aug from Seattle to San Jose, returning Sun, 17 Aug, priced at €1,173 found 6 days ago

Find the cheapest month to fly from Seattle (SEA) to Los Angeles (LAX)

January is typically the cheapest month to fly

From €41 - €200 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.