Delta Flight 3901 Deals & Information (2025/2026)

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Delta Flight 3901 Route Deals From $205

The cheapest prices found with in the last 7 days for return flights were $259 and $205 for one-way flights to Salt Lake City Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 10 - Sat, Nov 15
HLN
Helena Regional
SLC
Salt Lake City Intl.
$259 Roundtrip, found 5 days ago
$259
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Nov 10 from Helena Regional to Salt Lake City Intl., returning Sat, Nov 15, priced at $259 found 5 days ago
Tue, Nov 4 - Tue, Nov 11
HLN
Helena Regional
SLC
Salt Lake City Intl.
$264 Roundtrip, found 5 days ago
$264
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 4 from Helena Regional to Salt Lake City Intl., returning Tue, Nov 11, priced at $264 found 5 days ago
Wed, Nov 5 - Thu, Nov 13
HLN
Helena Regional
SLC
Salt Lake City Intl.
$315 Roundtrip, found 5 days ago
$315
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Nov 5 from Helena Regional to Salt Lake City Intl., returning Thu, Nov 13, priced at $315 found 5 days ago
Mon, Sep 29 - Wed, Oct 8
HLN
Helena Regional
SLC
Salt Lake City Intl.
$319 Roundtrip, found 4 days ago
$319
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 29 from Helena Regional to Salt Lake City Intl., returning Wed, Oct 8, priced at $319 found 4 days ago
Fri, Nov 7 - Sun, Nov 9
HLN
Helena Regional
SLC
Salt Lake City Intl.
$326 Roundtrip, found 5 days ago
$326
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Nov 7 from Helena Regional to Salt Lake City Intl., returning Sun, Nov 9, priced at $326 found 5 days ago
Sat, Sep 27 - Sun, Sep 28
HLN
Helena Regional
SLC
Salt Lake City Intl.
$347 Roundtrip, found 2 days ago
$347
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep 27 from Helena Regional to Salt Lake City Intl., returning Sun, Sep 28, priced at $347 found 2 days ago
Mon, Sep 29 - Wed, Oct 8
HLN
Helena Regional
SLC
Salt Lake City Intl.
$349 Roundtrip, found 4 days ago
$349
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 29 from Helena Regional to Salt Lake City Intl., returning Wed, Oct 8, priced at $349 found 4 days ago
Fri, Nov 7 - Sun, Nov 9
HLN
Helena Regional
SLC
Salt Lake City Intl.
$366 Roundtrip, found 5 days ago
$366
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Nov 7 from Helena Regional to Salt Lake City Intl., returning Sun, Nov 9, priced at $366 found 5 days ago
Mon, Sep 29 - Wed, Oct 8
HLN
Helena Regional
SLC
Salt Lake City Intl.
$379 Roundtrip, found 4 days ago
$379
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 29 from Helena Regional to Salt Lake City Intl., returning Wed, Oct 8, priced at $379 found 4 days ago
Sun, Sep 21 - Sat, Sep 27
HLN
Helena Regional
SLC
Salt Lake City Intl.
$408 Roundtrip, found 2 days ago
$408
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Sep 21 from Helena Regional to Salt Lake City Intl., returning Sat, Sep 27, priced at $408 found 2 days ago
Mon, Sep 29 - Wed, Oct 8
HLN
Helena Regional
SLC
Salt Lake City Intl.
$409 Roundtrip, found 4 days ago
$409
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 29 from Helena Regional to Salt Lake City Intl., returning Wed, Oct 8, priced at $409 found 4 days ago
Mon, Sep 29 - Wed, Oct 8
HLN
Helena Regional
SLC
Salt Lake City Intl.
$439 Roundtrip, found 4 days ago
$439
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 29 from Helena Regional to Salt Lake City Intl., returning Wed, Oct 8, priced at $439 found 4 days ago
Mon, Sep 29 - Wed, Oct 8
HLN
Helena Regional
SLC
Salt Lake City Intl.
$479 Roundtrip, found 4 days ago
$479
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 29 from Helena Regional to Salt Lake City Intl., returning Wed, Oct 8, priced at $479 found 4 days ago

Frequently asked questions

What route does flight number DL3901 take?
DL3901 travels between SMF and LAX and is a direct flight. This journey usually takes 1 hour and 28 minutes.
What terminal does DL3901 fly out of?
Direct flights to and from Sacramento, CA Airport (SMF-Sacramento Intl.) and Los Angeles Intl. Airport (LAX) are served by DL3901, and passengers who travel on this flight typically board from Terminal A.
What kind of plane is on flight number DL3901?
Get set to board an Embraer 175 if you're booked on flight DL3901. Almost all flights from Sacramento, CA Airport (SMF-Sacramento Intl.) to Los Angeles Intl. Airport (LAX) use this model of aircraft.
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 DL3901 flight with Travelocity, please visit our Customer Service Portal.