Delta Flight 3647 Deals & Information (2025/2026)

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Delta Flight 3647 Route Deals From $152

The cheapest prices found with in the last 7 days for return flights were $159 and $152 for one-way flights to Austin-Bergstrom Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 8 - Thu, Jan 15
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$159 Roundtrip, found 17 hours ago
$159
Roundtrip
found 17 hours ago
Select Delta flight, departing Thu, Jan 8 from Memphis Intl. to Austin-Bergstrom Intl., returning Thu, Jan 15, priced at $159 found 17 hours ago
Mon, Dec 22 - Thu, Dec 25
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$161 Roundtrip, found 6 days ago
$161
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Dec 22 from Memphis Intl. to Austin-Bergstrom Intl., returning Thu, Dec 25, priced at $161 found 6 days ago
Fri, Jan 9 - Mon, Jan 12
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$163 Roundtrip, found 17 hours ago
$163
Roundtrip
found 17 hours ago
Select Delta flight, departing Fri, Jan 9 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, Jan 12, priced at $163 found 17 hours ago
Sat, May 2 - Mon, May 4
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$164 Roundtrip, found 5 days ago
$164
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, May 2 from Memphis Intl. to Austin-Bergstrom Intl., returning Mon, May 4, priced at $164 found 5 days ago
Tue, Dec 23 - Tue, Dec 30
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$179 Roundtrip, found 4 days ago
$179
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 23 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Dec 30, priced at $179 found 4 days ago
Tue, Dec 23 - Sun, Dec 28
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$181 Roundtrip, found 4 days ago
$181
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 23 from Memphis Intl. to Austin-Bergstrom Intl., returning Sun, Dec 28, priced at $181 found 4 days ago
Sun, Dec 21 - Wed, Dec 31
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$183 Roundtrip, found 4 days ago
$183
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Dec 21 from Memphis Intl. to Austin-Bergstrom Intl., returning Wed, Dec 31, priced at $183 found 4 days ago
Sun, Jan 11 - Thu, Jan 15
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$197 Roundtrip, found 10 hours ago
$197
Roundtrip
found 10 hours ago
Select Delta flight, departing Sun, Jan 11 from Memphis Intl. to Austin-Bergstrom Intl., returning Thu, Jan 15, priced at $197 found 10 hours ago
Mon, Dec 29 - Tue, Jan 13
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Dec 29 from Memphis Intl. to Austin-Bergstrom Intl., returning Tue, Jan 13, priced at $199 found 4 days ago
Tue, Dec 23 - Thu, Dec 25
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$204 Roundtrip, found 20 hours ago
$204
Roundtrip
found 20 hours ago
Select Delta flight, departing Tue, Dec 23 from Memphis Intl. to Austin-Bergstrom Intl., returning Thu, Dec 25, priced at $204 found 20 hours ago
Tue, Dec 23 - Sat, Jan 3
MEM
Memphis Intl.
AUS
Austin-Bergstrom Intl.
$219 Roundtrip, found 4 days ago
$219
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 23 from Memphis Intl. to Austin-Bergstrom Intl., returning Sat, Jan 3, priced at $219 found 4 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.