Delta Flight DL3647 Deals & Information (2025/2026)

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Delta Flight 3647 Route Deals From $149

The cheapest prices found with in the last 7 days for return flights were $139 and $149 for one-way flights to Austin-Bergstrom Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 5 - Sat, Nov 8
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$139 Roundtrip, found 12 hours ago
$139
Roundtrip
found 12 hours ago
Select Delta flight, departing Wed, Nov 5 from Memphis Intl. to Austin-Bergstrom Intl., returning Sat, Nov 8, priced at $139 found 12 hours ago
Wed, Sep 10 - Sat, Sep 13
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$140 Roundtrip, found 1 day ago
$140
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Sep 10 from Memphis Intl. to Austin-Bergstrom Intl., returning Sat, Sep 13, priced at $140 found 1 day ago
Wed, Nov 5 - Mon, Nov 10
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$159 Roundtrip, found 12 hours ago
$159
Roundtrip
found 12 hours ago
Select Delta flight, departing Wed, Nov 5 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Nov 10, priced at $159 found 12 hours ago
Sat, Sep 13 - Sun, Sep 14
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$161 Roundtrip, found 1 day ago
$161
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Sep 13 from Memphis Intl. to Austin-Bergstrom Intl., returning Sun, Sep 14, priced at $161 found 1 day ago
Thu, Sep 11 - Sun, Sep 14
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$181 Roundtrip, found 1 day ago
$181
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 11 from Memphis Intl. to Austin-Bergstrom Intl., returning Sun, Sep 14, priced at $181 found 1 day ago
Thu, Nov 27 - Tue, Dec 2
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$226 Roundtrip, just found
$226
Roundtrip
just found
Select Delta flight, departing Thu, Nov 27 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Dec 2, priced at $226 just found

Frequently asked questions

What route does flight number DL3647 take?
DL3647 takes a few routes. The most frequently flown is between IAH and Wold–Chamberlain Field, which is a direct flight. This flight takes roughly 2 hours and 51 minutes. However, you might find other flights with this number that have one or more stops.
What terminal does DL3647 fly out of?
If you're leaving from IAH, you'll likely board from Terminal A. The most popular route for flight number DL3647 is IAH to Wold–Chamberlain Field, which is a direct flight.
What kind of plane is on flight number DL3647?
Chances are you'll be boarding an Embraer 175 if you're going from George Bush Intercontinental Airport (IAH) to Wold–Chamberlain Field, a popular route for flight number DL3647.
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 DL3647 flight with Travelocity, please visit our Customer Service Portal.