Alaska Airlines Flight 3403 Deals & Information (2026/2027)

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Alaska Airlines Flight 3403 Route Deals From $98

The cheapest prices found with in the last 7 days for return flights were $191 and $98 for one-way flights to Sonoma County for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 1 - Mon, May 4
LAS
Harry Reid Intl.
STS
Sonoma County
$191 Roundtrip, found 2 days ago
$191
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, May 1 from Harry Reid Intl. to Sonoma County, returning Mon, May 4, priced at $191 found 2 days ago
Fri, May 8 - Tue, May 12
LAS
Harry Reid Intl.
STS
Sonoma County
$194 Roundtrip, found 2 days ago
$194
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, May 8 from Harry Reid Intl. to Sonoma County, returning Tue, May 12, priced at $194 found 2 days ago
Fri, May 8 - Tue, May 12
LAS
Harry Reid Intl.
STS
Sonoma County
$195 Roundtrip, found 2 days ago
$195
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, May 8 from Harry Reid Intl. to Sonoma County, returning Tue, May 12, priced at $195 found 2 days ago
Fri, May 1 - Mon, May 4
LAS
Harry Reid Intl.
STS
Sonoma County
$202 Roundtrip, found 2 days ago
$202
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, May 1 from Harry Reid Intl. to Sonoma County, returning Mon, May 4, priced at $202 found 2 days ago
Thu, Apr 23 - Wed, Apr 29
LAS
Harry Reid Intl.
STS
Sonoma County
$206 Roundtrip, found 2 days ago
$206
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Apr 23 from Harry Reid Intl. to Sonoma County, returning Wed, Apr 29, priced at $206 found 2 days ago
Fri, May 8 - Tue, May 12
LAS
Harry Reid Intl.
STS
Sonoma County
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, May 8 from Harry Reid Intl. to Sonoma County, returning Tue, May 12, priced at $207 found 2 days ago
Fri, May 1 - Mon, May 4
LAS
Harry Reid Intl.
STS
Sonoma County
$214 Roundtrip, found 2 days ago
$214
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, May 1 from Harry Reid Intl. to Sonoma County, returning Mon, May 4, priced at $214 found 2 days ago
Thu, Apr 23 - Wed, Apr 29
LAS
Harry Reid Intl.
STS
Sonoma County
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Apr 23 from Harry Reid Intl. to Sonoma County, returning Wed, Apr 29, priced at $215 found 2 days ago
Thu, Jun 4 - Wed, Jun 10
LAS
Harry Reid Intl.
STS
Sonoma County
$218 Roundtrip, found 6 days ago
$218
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Jun 4 from Harry Reid Intl. to Sonoma County, returning Wed, Jun 10, priced at $218 found 6 days ago
Tue, Jun 2 - Tue, Jun 9
LAS
Harry Reid Intl.
STS
Sonoma County
$218 Roundtrip, found 18 hours ago
$218
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Tue, Jun 2 from Harry Reid Intl. to Sonoma County, returning Tue, Jun 9, priced at $218 found 18 hours ago

Frequently asked questions

What route does flight number AS3403 take?
Flight number AS3403 takes around 1 hour and 35 minutes to fly direct from San Diego Intl. Airport (SAN) to SFO. We all know there's magic in the destination, but half the fun is in the journey!
What terminal does AS3403 fly out of?
Passengers with tickets for flight number AS3403 from San Diego Intl. Airport (SAN) to San Francisco, CA Airport (SFO-San Francisco Intl.) typically leave from Terminal 2.
What kind of plane is on flight number AS3403?
Prepare to cruise the skies aboard an Embraer 175 if you have a seat on flight AS3403. Nearly all services from San Diego Intl. Airport (SAN) to San Francisco, CA Airport (SFO-San Francisco Intl.) use this model of aircraft.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AS3403 flight with Travelocity, please visit our Customer Service Portal.