Delta Flight 3515 Deals & Information (2025/2026)

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Delta Flight 3515 Route Deals From $85

The cheapest prices found with in the last 7 days for return flights were $169 and $85 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 17 - Wed, Mar 4
TUS
Tucson Intl.
LAX
Los Angeles Intl.
$169 Roundtrip, found 6 days ago
$169
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Feb 17 from Tucson Intl. to Los Angeles Intl., returning Wed, Mar 4, priced at $169 found 6 days ago
Tue, Feb 17 - Wed, Mar 4
TUS
Tucson Intl.
LAX
Los Angeles Intl.
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Feb 17 from Tucson Intl. to Los Angeles Intl., returning Wed, Mar 4, priced at $179 found 6 days 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.