United Flight DL405 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 405 Route Deals From $73

The cheapest prices found with in the last 7 days for return flights were $145 and $73 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 27 - Sat, Oct 4
DEN
Denver Intl.
LAX
Los Angeles Intl.
$145 Roundtrip, found 2 days ago
$145
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 27 from Denver Intl. to Los Angeles Intl., returning Sat, Oct 4, priced at $145 found 2 days ago
Wed, Sep 10 - Mon, Sep 15
DEN
Denver Intl.
LAX
Los Angeles Intl.
$147 Roundtrip, found 4 hours ago
$147
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 10 from Denver Intl. to Los Angeles Intl., returning Mon, Sep 15, priced at $147 found 4 hours ago
Wed, Aug 6 - Sat, Aug 9
DEN
Denver Intl.
LAX
Los Angeles Intl.
$148 Roundtrip, found 7 hours ago
$148
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 6 from Denver Intl. to Los Angeles Intl., returning Sat, Aug 9, priced at $148 found 7 hours ago
Wed, Sep 10 - Mon, Sep 15
DEN
Denver Intl.
LAX
Los Angeles Intl.
$151 Roundtrip, found 4 hours ago
$151
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 10 from Denver Intl. to Los Angeles Intl., returning Mon, Sep 15, priced at $151 found 4 hours ago
Thu, Oct 9 - Sun, Oct 12
DEN
Denver Intl.
LAX
Los Angeles Intl.
$153 Roundtrip, found 1 hour ago
$153
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 9 from Denver Intl. to Los Angeles Intl., returning Sun, Oct 12, priced at $153 found 1 hour ago
Thu, Aug 14 - Mon, Aug 18
DEN
Denver Intl.
LAX
Los Angeles Intl.
$160 Roundtrip, found 8 hours ago
$160
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Aug 14 from Denver Intl. to Los Angeles Intl., returning Mon, Aug 18, priced at $160 found 8 hours ago
Mon, Nov 10 - Mon, Nov 17
DEN
Denver Intl.
LAX
Los Angeles Intl.
$167 Roundtrip, found 17 hours ago
$167
Roundtrip
found 17 hours ago
Select United flight, departing Mon, Nov 10 from Denver Intl. to Los Angeles Intl., returning Mon, Nov 17, priced at $167 found 17 hours ago
Sat, Oct 25 - Fri, Oct 31
DEN
Denver Intl.
LAX
Los Angeles Intl.
$171 Roundtrip, found 4 days ago
$171
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 25 from Denver Intl. to Los Angeles Intl., returning Fri, Oct 31, priced at $171 found 4 days ago
Wed, Oct 29 - Sun, Nov 2
DEN
Denver Intl.
LAX
Los Angeles Intl.
$174 Roundtrip, found 3 hours ago
$174
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Oct 29 from Denver Intl. to Los Angeles Intl., returning Sun, Nov 2, priced at $174 found 3 hours ago

Frequently asked questions

What route does flight number UA405 take?
UA405 takes multiple routes. The most frequently flown is between DEN and CLE, which flies direct. This service takes roughly 2 hours and 53 minutes. That said, there may possibly be other flights with this number that have one or more stops.
How often is UA405 on time?
If you're taking to the skies with United Airlines flight number UA405 between Denver Intl. Airport (DEN) and Hopkins Intl. Airport (CLE), it's comforting to know that their services depart as scheduled 83% of the time. In the event that a flight runs behind schedule, it will generally be delayed by 25 minutes. Thanks to this airline's quality of service, this journey has a 2.6-star rating.
What kind of plane is on flight number UA405?
If you're on flight UA405 from Denver Intl. Airport (DEN) to CLE, there's every chance you'll be aboard a Boeing 737-800. This flight number serves numerous routes, but this is the busiest.
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 UA405 flight with Travelocity, please visit our Customer Service Portal.