Delta Flight 3647 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 $159 and $149 for one-way flights to Austin-Bergstrom Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 24 - Sat, May 30
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$159 Roundtrip, found 4 days ago
$159
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, May 24 from Memphis Intl. to Austin-Bergstrom Intl., returning Sat, May 30, priced at $159 found 4 days ago
Wed, Jan 14 - Wed, Jan 21
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$160 Roundtrip, found 3 days ago
$160
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 14 from Memphis Intl. to Austin-Bergstrom Intl., returning Wed, Jan 21, priced at $160 found 3 days ago
Wed, Jan 14 - Tue, Jan 20
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$162 Roundtrip, found 3 days ago
$162
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 14 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Jan 20, priced at $162 found 3 days ago
Thu, Jan 1 - Tue, Jan 6
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$187 Roundtrip, found 2 hours ago
$187
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Jan 1 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Jan 6, priced at $187 found 2 hours ago
Sun, May 24 - Thu, May 28
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$197 Roundtrip, found 4 days ago
$197
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, May 24 from Memphis Intl. to Austin-Bergstrom Intl., returning Thu, May 28, priced at $197 found 4 days ago
Mon, Jan 19 - Thu, Jan 22
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$201 Roundtrip, found 3 days ago
$201
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Jan 19 from Memphis Intl. to Austin-Bergstrom Intl., returning Thu, Jan 22, priced at $201 found 3 days ago
Sun, Jan 18 - Wed, Jan 21
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$202 Roundtrip, found 3 days ago
$202
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Jan 18 from Memphis Intl. to Austin-Bergstrom Intl., returning Wed, Jan 21, priced at $202 found 3 days ago
Wed, Jan 14 - Mon, Jan 19
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$203 Roundtrip, found 3 days ago
$203
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 14 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Jan 19, priced at $203 found 3 days ago
Thu, Jan 1 - Fri, Jan 2
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$225 Roundtrip, found 2 hours ago
$225
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Jan 1 from Memphis Intl. to Austin-Bergstrom Intl., returning Fri, Jan 2, priced at $225 found 2 hours ago
Wed, Dec 31 - Wed, Jan 7
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$233 Roundtrip, found 2 hours ago
$233
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Dec 31 from Memphis Intl. to Austin-Bergstrom Intl., returning Wed, Jan 7, priced at $233 found 2 hours ago
Tue, Dec 30 - Tue, Jan 6
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$234 Roundtrip, found 2 hours ago
$234
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Dec 30 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Jan 6, priced at $234 found 2 hours ago
Wed, Dec 31 - Tue, Jan 6
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$235 Roundtrip, found 2 hours ago
$235
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Dec 31 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Jan 6, priced at $235 found 2 hours ago
Wed, Dec 31 - Mon, Jan 5
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$252 Roundtrip, found 2 hours ago
$252
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Dec 31 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Jan 5, priced at $252 found 2 hours ago
Tue, Dec 30 - Mon, Jan 5
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$253 Roundtrip, found 2 hours ago
$253
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Dec 30 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Jan 5, priced at $253 found 2 hours ago
Wed, Dec 31 - Thu, Jan 1
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$255 Roundtrip, found 2 hours ago
$255
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Dec 31 from Memphis Intl. to Austin-Bergstrom Intl., returning Thu, Jan 1, priced at $255 found 2 hours ago
Tue, Dec 30 - Thu, Jan 1
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$256 Roundtrip, found 2 hours ago
$256
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Dec 30 from Memphis Intl. to Austin-Bergstrom Intl., returning Thu, Jan 1, priced at $256 found 2 hours ago
Tue, Dec 30 - Fri, Jan 2
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$273 Roundtrip, found 2 hours ago
$273
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Dec 30 from Memphis Intl. to Austin-Bergstrom Intl., returning Fri, Jan 2, priced at $273 found 2 hours 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.