United Flight WN581 Deals & Information (2025/2026)

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United Flight 581 Route Deals From $89

The cheapest prices found with in the last 7 days for return flights were $165 and $89 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 15 - Mon, Aug 18
DSM
Des Moines Intl.
DEN
Denver Intl.
$165 Roundtrip, just found
$165
Roundtrip
just found
Select United flight, departing Fri, Aug 15 from Des Moines Intl. to Denver Intl., returning Mon, Aug 18, priced at $165 just found
Fri, Aug 15 - Sun, Aug 17
DSM
Des Moines Intl.
DEN
Denver Intl.
$180 Roundtrip, found 9 hours ago
$180
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Aug 15 from Des Moines Intl. to Denver Intl., returning Sun, Aug 17, priced at $180 found 9 hours ago
Fri, Aug 15 - Mon, Aug 18
DSM
Des Moines Intl.
DEN
Denver Intl.
$190 Roundtrip, just found
$190
Roundtrip
just found
Select United flight, departing Fri, Aug 15 from Des Moines Intl. to Denver Intl., returning Mon, Aug 18, priced at $190 just found

Frequently asked questions

What route does flight number UA581 take?
UA581 is used on a range of routes. More commonly, UA581 flies directly from Houston, TX Airport (IAH-George Bush Intercontinental) to Miami, FL Airport (MIA-Miami Intl.). If that's your chosen flight path, you'll be in the air for roughly 2 hours and 25 minutes.
What terminal does UA581 fly out of?
UA581 flights out of IAH generally depart from Terminal C. This flight number runs on a number of different routes, but the most frequented one is IAH to Miami Intl. Airport (MIA).
What kind of plane is on flight number UA581?
It's more than likely you'll be traveling aboard an Airbus A320 if you've booked a fare on flight UA581 from Houston Airport to Miami, FL Airport (MIA-Miami Intl.). This is the most commonly used aircraft on this route.
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 UA581 flight with Travelocity, please visit our Customer Service Portal.