Delta Flight 4001 Deals & Information (2026/2027)

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Delta Flight 4001 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $239 and for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 16 - Sat, Jun 20
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jun 16 from Los Angeles Intl. to San Diego Intl., returning Sat, Jun 20, priced at $239 found 2 days ago
Sat, Jun 6 - Tue, Jun 9
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$243 Roundtrip, found 4 days ago
$243
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jun 6 from Los Angeles Intl. to San Diego Intl., returning Tue, Jun 9, priced at $243 found 4 days ago
Sat, Apr 25 - Sun, Apr 26
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$264 Roundtrip, found 14 hours ago
$264
Roundtrip
found 14 hours ago
Select Delta flight, departing Sat, Apr 25 from Los Angeles Intl. to San Diego Intl., returning Sun, Apr 26, priced at $264 found 14 hours ago
Sat, Apr 25 - Sun, Apr 26
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$285 Roundtrip, found 14 hours ago
$285
Roundtrip
found 14 hours ago
Select Delta flight, departing Sat, Apr 25 from Los Angeles Intl. to San Diego Intl., returning Sun, Apr 26, priced at $285 found 14 hours ago
Tue, Jun 16 - Sat, Jun 20
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jun 16 from Los Angeles Intl. to San Diego Intl., returning Sat, Jun 20, priced at $299 found 2 days ago
Thu, Apr 30 - Sun, May 3
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$305 Roundtrip, found 2 days ago
$305
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Apr 30 from Los Angeles Intl. to San Diego Intl., returning Sun, May 3, priced at $305 found 2 days ago
Tue, Jun 16 - Sat, Jun 20
LAX
Los Angeles Intl.
SAN
San Diego Intl.
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jun 16 from Los Angeles Intl. to San Diego Intl., returning Sat, Jun 20, priced at $309 found 2 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.