United Flight 581 Deals & Information (2026/2027)

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United Flight 581 Route Deals From $129

The cheapest prices found with in the last 7 days for return flights were $257 and $129 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 11 - Sat, Nov 14
BNA
Nashville Intl.
SFO
San Francisco Intl.
$257 Roundtrip, found 3 hours ago
$257
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Nov 11 from Nashville Intl. to San Francisco Intl., returning Sat, Nov 14, priced at $257 found 3 hours ago
Fri, Jan 15 - Thu, Feb 4
BNA
Nashville Intl.
SFO
San Francisco Intl.
$282 Roundtrip, found 23 hours ago
$282
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Jan 15 from Nashville Intl. to San Francisco Intl., returning Thu, Feb 4, priced at $282 found 23 hours ago
Thu, Nov 5 - Tue, Nov 10
BNA
Nashville Intl.
SFO
San Francisco Intl.
$283 Roundtrip, found 1 day ago
$283
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 5 from Nashville Intl. to San Francisco Intl., returning Tue, Nov 10, priced at $283 found 1 day ago
Thu, Nov 5 - Tue, Nov 10
BNA
Nashville Intl.
SFO
San Francisco Intl.
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 5 from Nashville Intl. to San Francisco Intl., returning Tue, Nov 10, priced at $293 found 1 day ago
Wed, Nov 11 - Sat, Nov 14
BNA
Nashville Intl.
SFO
San Francisco Intl.
$295 Roundtrip, found 3 hours ago
$295
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Nov 11 from Nashville Intl. to San Francisco Intl., returning Sat, Nov 14, priced at $295 found 3 hours 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.