Delta Flight 3504 Deals & Information (2025/2026)

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Delta Flight 3504 Route Deals From $119

The cheapest prices found with in the last 7 days for return flights were $201 and $119 for one-way flights to Boise for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 13 - Sat, Sep 20
LAX
Los Angeles Intl.
BOI
Boise
$201 Roundtrip, found 13 hours ago
$201
Roundtrip
found 13 hours ago
Select Delta flight, departing Sat, Sep 13 from Los Angeles Intl. to Boise, returning Sat, Sep 20, priced at $201 found 13 hours ago

Frequently asked questions

What route does flight number DL3504 take?
DL3504 takes a few routes. The most popular is between Glacier Park Intl. Airport and LAX, which flies direct. This flight generally takes 2 hours and 57 minutes. However, there may possibly be other flights with the same number that have one or more stops.
What kind of plane is on flight number DL3504?
You're likely to be hopping on board an Embraer 175 if you're booked on flight DL3504 from Glacier Park Intl. Airport to Los Angeles Intl. Airport (LAX). It's the most commonly used aircraft model on this particular route.
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 DL3504 flight with Travelocity, please visit our Customer Service Portal.