Delta Flight 4001 Deals & Information (2026/2027)

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Delta Flight 4001 Route Deals From $197

The cheapest prices found with in the last 7 days for return flights were $199 and $197 for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 28 - Sat, Nov 7
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$199 Roundtrip, found 3 days ago
$199
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 28 from Los Angeles Intl. to San Diego Intl., returning Sat, Nov 7, priced at $199 found 3 days ago
Thu, Aug 13 - Sun, Aug 16
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$214 Roundtrip, found 18 hours ago
$214
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, Aug 13 from Los Angeles Intl. to San Diego Intl., returning Sun, Aug 16, priced at $214 found 18 hours ago
Wed, Oct 28 - Sat, Nov 7
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$239 Roundtrip, found 3 days ago
$239
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 28 from Los Angeles Intl. to San Diego Intl., returning Sat, Nov 7, priced at $239 found 3 days ago
Sat, Dec 5 - Sun, Dec 6
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$259 Roundtrip, found 6 days ago
$259
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Dec 5 from Los Angeles Intl. to San Diego Intl., returning Sun, Dec 6, priced at $259 found 6 days ago
Wed, Oct 28 - Sat, Nov 7
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 28 from Los Angeles Intl. to San Diego Intl., returning Sat, Nov 7, priced at $269 found 3 days ago

Frequently asked questions

What route does flight number DL4001 take?
DL4001 jets between Salt Lake City, UT Airport (SLC-Salt Lake City Intl.) and Palm Springs Intl. Airport (PSP) directly. This service generally takes 1 hour and 42 minutes.
What kind of plane is on flight number DL4001?
The route for flight number DL4001 is predominantly SLC to Palm Springs Airport, and the Embraer 175 is the aircraft model you'll probably be heading off on.
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 DL4001 flight with Travelocity, please visit our Customer Service Portal.