United Flight DL4723 Deals & Information (2025/2026)

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United Flight 4723 Route Deals From $209

The cheapest prices found with in the last 7 days for return flights were $179 and $209 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 19 - Sat, Sep 20
SAN
San Diego Intl.
LAX
Los Angeles Intl.
$179 Roundtrip, found 5 days ago
$179
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 19 from San Diego Intl. to Los Angeles Intl., returning Sat, Sep 20, priced at $179 found 5 days ago

Frequently asked questions

What route does flight number UA4723 take?
UA4723 jets between Denver, CO Airport (DEN-Denver Intl.) and Lambert-St. Louis Intl. Airport (STL) and flies direct. This trip takes 2 hours.
How often is UA4723 on time?
If you’re flying on United Airlines flight number UA4723, you may want to keep a book or tablet handy — 75% of these flights arrive on schedule. If your service encounters a delay, the usual wait time is roughly 17 minutes. This journey has a star rating of 2.2.
What kind of plane is on flight number UA4723?
Get set to step aboard an Embraer 175 if you’re traveling on flight UA4723. Nearly all services from DEN to Lambert Field are operated using 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 UA4723 flight with Travelocity, please visit our Customer Service Portal.