Delta Flight 3515 Deals & Information (2025/2026)

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Delta Flight 3515 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $177 and $90 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 27 - Wed, Dec 3
TUS
Tucson Intl.
LAX
Los Angeles Intl.
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Nov 27 from Tucson Intl. to Los Angeles Intl., returning Wed, Dec 3, priced at $177 found 1 day ago
Mon, Aug 25 - Tue, Sep 2
TUS
Tucson Intl.
LAX
Los Angeles Intl.
$179 Roundtrip, found 5 hours ago
$179
Roundtrip
found 5 hours ago
Select Delta flight, departing Mon, Aug 25 from Tucson Intl. to Los Angeles Intl., returning Tue, Sep 2, priced at $179 found 5 hours ago
Sun, Aug 24 - Thu, Sep 4
TUS
Tucson Intl.
LAX
Los Angeles Intl.
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 24 from Tucson Intl. to Los Angeles Intl., returning Thu, Sep 4, priced at $198 found 3 days ago
Tue, Aug 12 - Fri, Aug 15
TUS
Tucson Intl.
LAX
Los Angeles Intl.
$228 Roundtrip, found 4 days ago
$228
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 12 from Tucson Intl. to Los Angeles Intl., returning Fri, Aug 15, priced at $228 found 4 days ago
Sun, Nov 23 - Wed, Dec 3
TUS
Tucson Intl.
LAX
Los Angeles Intl.
$233 Roundtrip, found 1 day ago
$233
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Nov 23 from Tucson Intl. to Los Angeles Intl., returning Wed, Dec 3, priced at $233 found 1 day ago

Frequently asked questions

What route does flight number DL3515 take?
DL3515 operates between Spokane Intl. Airport (GEG) and Sea-Tac Airport and is a direct flight. This service typically takes 1 hour and 11 minutes.
What kind of plane is on flight number DL3515?
You're likely to be stepping on board the Embraer 175 if you're on flight number DL3515. This flight nearly always sets off from Spokane Intl. Airport and touches down at SEA.
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 DL3515 flight with Travelocity, please visit our Customer Service Portal.