Delta Flight 3731 Deals & Information (2025/2026)

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Delta Flight 3731 Route Deals From $101

The cheapest prices found with in the last 7 days for return flights were $167 and $101 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 3 days ago
$167
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Jul 14 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 18, priced at $167 found 3 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
Sat, Jul 12 - Fri, Jul 18
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$177 Roundtrip, found 3 days ago
$177
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jul 12 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 18, priced at $177 found 3 days 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 3 days ago
$181
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jul 15 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Aug 1, priced at $181 found 3 days ago
Mon, Jul 14 - Wed, Jul 16
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$187 Roundtrip, found 3 days ago
$187
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Jul 14 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Wed, Jul 16, priced at $187 found 3 days ago
Fri, Jul 11 - Tue, Jul 15
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$190 Roundtrip, found 20 hours ago
$190
Roundtrip
found 20 hours ago
Select Delta flight, departing Fri, Jul 11 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Tue, Jul 15, priced at $190 found 20 hours 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
Thu, Sep 11 - Sat, Sep 13
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$202 Roundtrip, found 2 hours ago
$202
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Sep 11 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Sat, Sep 13, priced at $202 found 2 hours ago
Fri, Jun 27 - Fri, Jul 4
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$221 Roundtrip, found 2 days ago
$221
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jun 27 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 4, priced at $221 found 2 days ago
Tue, Jul 8 - Fri, Jul 11
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$231 Roundtrip, found 20 hours ago
$231
Roundtrip
found 20 hours ago
Select Delta flight, departing Tue, Jul 8 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Fri, Jul 11, priced at $231 found 20 hours ago
Thu, Sep 11 - Mon, Sep 15
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$232 Roundtrip, found 2 hours ago
$232
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Sep 11 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Mon, Sep 15, priced at $232 found 2 hours ago
Thu, Jul 17 - Sun, Jul 20
AUS
Austin-Bergstrom Intl.
IND
Indianapolis Intl.
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jul 17 from Austin-Bergstrom Intl. to Indianapolis Intl., returning Sun, Jul 20, priced at $242 found 1 day 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.