United Flight UA5873 Deals & Information (2025/2026)

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United Flight 5873 Route Deals From $291

The cheapest prices found with in the last 7 days for return flights were $295 and $291 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 17 - Mon, Jul 21
ILM
Wilmington Intl.
DEN
Denver Intl.
$295 Roundtrip, found 3 days ago
$295
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jul 17 from Wilmington Intl. to Denver Intl., returning Mon, Jul 21, priced at $295 found 3 days ago
Fri, Jun 27 - Fri, Jul 4
ILM
Wilmington Intl.
DEN
Denver Intl.
$347 Roundtrip, found 22 hours ago
$347
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Jun 27 from Wilmington Intl. to Denver Intl., returning Fri, Jul 4, priced at $347 found 22 hours ago
Sat, Jun 28 - Sat, Jul 5
ILM
Wilmington Intl.
DEN
Denver Intl.
$849 Roundtrip, found 17 hours ago
$849
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Jun 28 from Wilmington Intl. to Denver Intl., returning Sat, Jul 5, priced at $849 found 17 hours ago