Delta Flight 3664 Deals & Information (2025/2026)

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Delta Flight 3664 Route Deals From $100

The cheapest prices found with in the last 7 days for return flights were $180 and $100 for one-way flights to Austin-Bergstrom Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 10 - Sat, Sep 13
SLC
Salt Lake City Intl.
AUS
Austin-Bergstrom Intl.
$180 Roundtrip, found 5 days ago
$180
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Sep 10 from Salt Lake City Intl. to Austin-Bergstrom Intl., returning Sat, Sep 13, priced at $180 found 5 days ago
Wed, Nov 12 - Mon, Nov 17
SLC
Salt Lake City Intl.
AUS
Austin-Bergstrom Intl.
$197 Roundtrip, found 10 hours ago
$197
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Nov 12 from Salt Lake City Intl. to Austin-Bergstrom Intl., returning Mon, Nov 17, priced at $197 found 10 hours ago
Tue, Dec 2 - Tue, Dec 16
SLC
Salt Lake City Intl.
AUS
Austin-Bergstrom Intl.
$217 Roundtrip, found 6 hours ago
$217
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Dec 2 from Salt Lake City Intl. to Austin-Bergstrom Intl., returning Tue, Dec 16, priced at $217 found 6 hours ago
Thu, Sep 4 - Sun, Sep 7
SLC
Salt Lake City Intl.
AUS
Austin-Bergstrom Intl.
$220 Roundtrip, found 1 day ago
$220
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 4 from Salt Lake City Intl. to Austin-Bergstrom Intl., returning Sun, Sep 7, priced at $220 found 1 day ago
Wed, Sep 3 - Sun, Sep 7
SLC
Salt Lake City Intl.
AUS
Austin-Bergstrom Intl.
$224 Roundtrip, found 3 hours ago
$224
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Sep 3 from Salt Lake City Intl. to Austin-Bergstrom Intl., returning Sun, Sep 7, priced at $224 found 3 hours ago

Frequently asked questions

What route does flight number DL3664 take?
You'll be landing at LAX from Spokane Intl. Airport if you've booked a ticket on flight number DL3664. You'll be in the sky for 2 hours and 49 minutes during this trip. It's also good to note that it conveniently travels non-stop.
What kind of plane is on flight number DL3664?
Expect to cruise aboard an Embraer 175 if you're taking off on flight DL3664. Nearly all flights from Spokane, WA Airport (GEG-Spokane Intl.) to LAX operate using this type of plane.
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 DL3664 flight with Travelocity, please visit our Customer Service Portal.