Cheap flights from SeaTac to Napa

View AU$106 flight on Tue, 23 Sep. 2025Opens in a new window

Popular airlines from SeaTac to Napa

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Cheap Flights from SeaTac (SEA) to Napa (SMF)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 16 Aug. - Sun, 17 Aug.
SEA
Seattle
OAK
Oakland
AU$228 Return, found 5 days ago
AU$228
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 16 Aug. from Seattle to Oakland, returning Sun, 17 Aug., priced at AU$228 found 5 days ago
Alaska Airlines
Wed, 20 Aug. - Sat, 23 Aug.
SEA
Seattle
SMF
Sacramento
AU$241 Return, found 6 days ago
AU$241
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 20 Aug. from Seattle to Sacramento, returning Sat, 23 Aug., priced at AU$241 found 6 days ago
Delta
Wed, 20 Aug. - Sat, 23 Aug.
SEA
Seattle
SMF
Sacramento
AU$242 Return, found 6 days ago
AU$242
Return
found 6 days ago
Select Delta flight, departing Wed, 20 Aug. from Seattle to Sacramento, returning Sat, 23 Aug., priced at AU$242 found 6 days ago
Hawaiian Airlines
Wed, 20 Aug. - Fri, 5 Sep.
SEA
Seattle
SMF
Sacramento
AU$258 Return, found 3 days ago
AU$258
Return
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, 20 Aug. from Seattle to Sacramento, returning Fri, 5 Sep., priced at AU$258 found 3 days ago
United
Wed, 20 Aug. - Sat, 23 Aug.
SEA
Seattle
SMF
Sacramento
AU$310 Return, found 6 days ago
AU$310
Return
found 6 days ago
Select United flight, departing Wed, 20 Aug. from Seattle to Sacramento, returning Sat, 23 Aug., priced at AU$310 found 6 days ago
American Airlines
Thu, 21 Aug. - Sat, 23 Aug.
SEA
Seattle
SMF
Sacramento
AU$365 Return, found 2 days ago
AU$365
Return
found 2 days ago
Select American Airlines flight, departing Thu, 21 Aug. from Seattle to Sacramento, returning Sat, 23 Aug., priced at AU$365 found 2 days ago

Find the cheapest month to fly from Seattle (SEA) to Oakland (OAK)

October is typically the cheapest month to fly

From AU$106 - AU$225 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.