Alaska Airlines Flight 15 Deals & Information (2026/2027)

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Alaska Airlines Flight 15 Route Deals From $184

The cheapest prices found with in the last 7 days for return flights were $333 and $184 for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 29 - Sat, Sep 5
DCA
Ronald Reagan Washington National
SAN
San Diego Intl.
$333 Roundtrip, found 10 hours ago
$333
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Sat, Aug 29 from Ronald Reagan Washington National to San Diego Intl., returning Sat, Sep 5, priced at $333 found 10 hours ago
Sat, Sep 12 - Tue, Sep 15
DCA
Ronald Reagan Washington National
SAN
San Diego Intl.
$337 Roundtrip, just found
$337
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 12 from Ronald Reagan Washington National to San Diego Intl., returning Tue, Sep 15, priced at $337 just found
Sat, Sep 5 - Wed, Sep 9
DCA
Ronald Reagan Washington National
SAN
San Diego Intl.
$338 Roundtrip, found 5 hours ago
$338
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, Sep 5 from Ronald Reagan Washington National to San Diego Intl., returning Wed, Sep 9, priced at $338 found 5 hours ago
Wed, Sep 2 - Tue, Sep 8
DCA
Ronald Reagan Washington National
SAN
San Diego Intl.
$347 Roundtrip, found 1 hour ago
$347
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Sep 2 from Ronald Reagan Washington National to San Diego Intl., returning Tue, Sep 8, priced at $347 found 1 hour ago

Frequently asked questions

What route does flight number AS15 take?
AS15 operates between BOS and Seattle - Tacoma Intl. Airport (SEA) and flies direct. This journey usually takes 6 hours and 10 minutes.
What terminal does AS15 fly out of?
Direct flights to and from Boston, MA Airport (BOS-Logan Intl.) and Sea-Tac Airport are served by flight number AS15, and passengers booked on this flight usually board from Terminal B.
What kind of plane is on flight number AS15?
Get ready to step aboard an Airbus A321 if you've reserved a seat on flight AS15. Almost all flights from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA) operate using this aircraft model.
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 AS15 flight with Travelocity, please visit our Customer Service Portal.