Delta Flight 3731 Deals & Information (2025/2026)

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Delta Flight 3731 Route Deals From $94

The cheapest prices found with in the last 7 days for return flights were $167 and $94 for one-way flights to Indianapolis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 14 - Fri, Jul 18
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$167 Roundtrip, found 4 days ago
$167
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jul 14 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 18, priced at $167 found 4 days ago
Wed, Aug 6 - Mon, Aug 18
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$175 Roundtrip, found 4 days ago
$175
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Aug 6 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Mon, Aug 18, priced at $175 found 4 days ago
Mon, Jul 14 - Fri, Jul 18
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$177 Roundtrip, found 2 hours ago
$177
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Jul 14 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 18, priced at $177 found 2 hours ago
Tue, Aug 5 - Mon, Aug 18
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$179 Roundtrip, found 4 days ago
$179
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 5 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Mon, Aug 18, priced at $179 found 4 days ago
Tue, Jul 15 - Fri, Aug 1
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$181 Roundtrip, found 4 days ago
$181
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jul 15 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Aug 1, priced at $181 found 4 days ago
Mon, Jul 14 - Fri, Jul 25
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$187 Roundtrip, found 2 hours ago
$187
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Jul 14 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 25, priced at $187 found 2 hours ago
Mon, Jul 14 - Wed, Jul 16
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$187 Roundtrip, found 4 days ago
$187
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jul 14 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Wed, Jul 16, priced at $187 found 4 days ago
Fri, Jul 18 - Fri, Jul 25
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$190 Roundtrip, found 2 hours ago
$190
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Jul 18 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 25, priced at $190 found 2 hours ago
Fri, Jul 11 - Tue, Jul 15
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jul 11 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Tue, Jul 15, priced at $190 found 1 day ago
Wed, Jul 16 - Fri, Jul 25
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$191 Roundtrip, found 5 days ago
$191
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jul 16 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 25, priced at $191 found 5 days ago
Mon, Jul 14 - Tue, Jul 22
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$197 Roundtrip, found 2 hours ago
$197
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Jul 14 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Tue, Jul 22, priced at $197 found 2 hours ago
Thu, Sep 11 - Sat, Sep 13
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$202 Roundtrip, found 6 hours ago
$202
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Sep 11 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Sat, Sep 13, priced at $202 found 6 hours ago
Wed, Jul 16 - Fri, Jul 18
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$205 Roundtrip, found 2 hours ago
$205
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Jul 16 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 18, priced at $205 found 2 hours ago
Wed, Jul 16 - Fri, Jul 25
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$210 Roundtrip, found 2 hours ago
$210
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Jul 16 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 25, priced at $210 found 2 hours ago

Frequently asked questions

What route does flight number DL3731 take?
DL3731 serves multiple routes, but the most common is between Sacramento Intl. Airport (SMF) and Los Angeles Intl. Airport (LAX). If on a non-stop flight, you’ll step off the plane in approximately 1 hour and 32 minutes. Multi-stop flights can also operate under the same number, as can services on other routes.
What terminal does DL3731 fly out of?
Terminal An is the terminal you’ll likely board from if you’re booked on a flight out of Sacramento Intl. Airport (SMF). Sacramento Intl. Airport (SMF) to Los Angeles, CA Airport (LAX-Los Angeles Intl.) is the most commonly traveled route for flight number DL3731.
What kind of plane is on flight number DL3731?
It’s possible you’ll be taking off on an Embraer 175 if you’re going from SMF to LAX, a common route for flight DL3731.
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 DL3731 flight with Travelocity, please visit our Customer Service Portal.