Cheap Flights from Boise to Napa

View €90 flight on Sun, 4 Jan 2026Opens in a new window

Popular airlines from Boise to Napa

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Cheap flights from Boise to Napa (BOI-SMF)

Prices were available within the past 7 days and start at €90 for one-way flights and €325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 26 Dec - Sun, 4 Jan
BOI
Boise
SMF
Sacramento
€325 Return, found 4 hours ago
€325
Return
found 4 hours ago
Select Delta flight, departing Fri, 26 Dec from Boise to Sacramento, returning Sun, 4 Jan, priced at €325 found 4 hours ago
Delta
Fri, 26 Dec - Sun, 4 Jan
BOI
Boise
SMF
Sacramento
€329 Return, found 4 hours ago
€329
Return
found 4 hours ago
Select Delta flight, departing Fri, 26 Dec from Boise to Sacramento, returning Sun, 4 Jan, priced at €329 found 4 hours ago
United
Fri, 26 Dec - Sun, 4 Jan
BOI
Boise
SMF
Sacramento
€350 Return, found 4 hours ago
€350
Return
found 4 hours ago
Select United flight, departing Fri, 26 Dec from Boise to Sacramento, returning Sun, 4 Jan, priced at €350 found 4 hours ago
Delta
Fri, 26 Dec - Sun, 4 Jan
BOI
Boise
SMF
Sacramento
€356 Return, found 4 hours ago
€356
Return
found 4 hours ago
Select Delta flight, departing Fri, 26 Dec from Boise to Sacramento, returning Sun, 4 Jan, priced at €356 found 4 hours ago
Alaska Airlines
Fri, 26 Dec - Sun, 4 Jan
BOI
Boise
SMF
Sacramento
€422 Return, found 4 hours ago
€422
Return
found 4 hours ago
Select Alaska Airlines flight, departing Fri, 26 Dec from Boise to Sacramento, returning Sun, 4 Jan, priced at €422 found 4 hours ago
American Airlines
Fri, 26 Dec - Sun, 4 Jan
BOI
Boise
SMF
Sacramento
€835 Return, found 4 hours ago
€835
Return
found 4 hours ago
Select American Airlines flight, departing Fri, 26 Dec from Boise to Sacramento, returning Sun, 4 Jan, priced at €835 found 4 hours ago

Find the cheapest month to fly from Boise (BOI) to Oakland (OAK)

November is typically the cheapest month to fly

From €74 - €369 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.