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 $142 and $149 for one-way flights to Austin-Bergstrom Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 21 - Mon, Oct 27
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$142 Roundtrip, found 3 days ago
$142
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 21 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Oct 27, priced at $142 found 3 days ago
Sun, Nov 23 - Tue, Dec 2
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$159 Roundtrip, found 5 hours ago
$159
Roundtrip
found 5 hours ago
Select Delta flight, departing Sun, Nov 23 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Dec 2, priced at $159 found 5 hours ago
Sun, Oct 26 - Mon, Nov 3
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$169 Roundtrip, found 3 days ago
$169
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Oct 26 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Nov 3, priced at $169 found 3 days ago
Fri, Oct 24 - Mon, Oct 27
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$173 Roundtrip, found 3 days ago
$173
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Oct 24 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Oct 27, priced at $173 found 3 days ago
Sun, Nov 23 - Fri, Nov 28
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$189 Roundtrip, found 5 hours ago
$189
Roundtrip
found 5 hours ago
Select Delta flight, departing Sun, Nov 23 from Memphis Intl. to Austin-Bergstrom Intl., returning Fri, Nov 28, priced at $189 found 5 hours ago
Sat, Sep 20 - Mon, Sep 29
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$193 Roundtrip, found 20 hours ago
$193
Roundtrip
found 20 hours ago
Select Delta flight, departing Sat, Sep 20 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Sep 29, priced at $193 found 20 hours ago
Thu, Oct 9 - Tue, Oct 14
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$219 Roundtrip, found 6 days ago
$219
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 9 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Oct 14, priced at $219 found 6 days ago
Sat, Nov 1 - Mon, Nov 10
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$228 Roundtrip, found 2 days ago
$228
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 1 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Nov 10, priced at $228 found 2 days ago
Thu, Nov 27 - Tue, Dec 2
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$229 Roundtrip, found 7 hours ago
$229
Roundtrip
found 7 hours ago
Select Delta flight, departing Thu, Nov 27 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Dec 2, priced at $229 found 7 hours ago
Wed, Nov 26 - Tue, Dec 2
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$239 Roundtrip, found 5 hours ago
$239
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Nov 26 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Dec 2, priced at $239 found 5 hours ago
Wed, Sep 17 - Sat, Sep 20
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$244 Roundtrip, found 16 hours ago
$244
Roundtrip
found 16 hours ago
Select Delta flight, departing Wed, Sep 17 from Memphis Intl. to Austin-Bergstrom Intl., returning Sat, Sep 20, priced at $244 found 16 hours ago
Thu, Oct 9 - Mon, Oct 13
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 9 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Oct 13, priced at $249 found 6 days ago
Fri, Oct 24 - Sun, Nov 2
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Oct 24 from Memphis Intl. to Austin-Bergstrom Intl., returning Sun, Nov 2, priced at $254 found 3 days ago

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.