United Flight 581 Deals & Information (2026/2027)

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United Flight 581 Route Deals From $359

The cheapest prices found with in the last 7 days for return flights were $437 and $359 for one-way flights to Hopkins Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 24 - Thu, Dec 31
SFO
San Francisco Intl.
CLE
Hopkins Intl.
$437 Roundtrip, found 1 day ago
$437
Roundtrip
found 1 day ago
Select United flight, departing Thu, Dec 24 from San Francisco Intl. to Hopkins Intl., returning Thu, Dec 31, priced at $437 found 1 day ago
Thu, Dec 24 - Thu, Dec 31
SFO
San Francisco Intl.
CLE
Hopkins Intl.
$482 Roundtrip, found 1 day ago
$482
Roundtrip
found 1 day ago
Select United flight, departing Thu, Dec 24 from San Francisco Intl. to Hopkins Intl., returning Thu, Dec 31, priced at $482 found 1 day ago

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.