United Flight WN5640 Deals & Information (2025/2026)

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United Flight 5640 Route Deals From $59

The cheapest prices found with in the last 7 days for return flights were $107 and $59 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 6 - Wed, Oct 22
PHX
Sky Harbor Intl.
LAX
Los Angeles Intl.
$107 Roundtrip, found 6 days ago
$107
Roundtrip
found 6 days ago
Select United flight, departing Mon, Oct 6 from Sky Harbor Intl. to Los Angeles Intl., returning Wed, Oct 22, priced at $107 found 6 days ago
Mon, Oct 6 - Wed, Oct 22
PHX
Sky Harbor Intl.
LAX
Los Angeles Intl.
$109 Roundtrip, found 6 days ago
$109
Roundtrip
found 6 days ago
Select United flight, departing Mon, Oct 6 from Sky Harbor Intl. to Los Angeles Intl., returning Wed, Oct 22, priced at $109 found 6 days ago
Tue, Aug 12 - Sat, Aug 16
PHX
Sky Harbor Intl.
LAX
Los Angeles Intl.
$115 Roundtrip, found 3 days ago
$115
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 12 from Sky Harbor Intl. to Los Angeles Intl., returning Sat, Aug 16, priced at $115 found 3 days ago
Thu, Oct 16 - Mon, Oct 20
PHX
Sky Harbor Intl.
LAX
Los Angeles Intl.
$127 Roundtrip, found 18 hours ago
$127
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Oct 16 from Sky Harbor Intl. to Los Angeles Intl., returning Mon, Oct 20, priced at $127 found 18 hours ago

Frequently asked questions

What route does flight number UA5640 take?
UA5640 operates between Charleston Intl. Airport (CHS) and DEN and is a direct flight. This service takes 4 hours and 3 minutes.
What kind of plane is on flight number UA5640?
The Embraer 175 is the aircraft that's mostly used for flight number UA5640. This flight almost always sets off from Charleston, SC Airport (CHS-Charleston Intl.) and comes in to land at Denver Intl. Airport (DEN).
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 UA5640 flight with Travelocity, please visit our Customer Service Portal.