United Flight 581 Deals & Information (2026/2027)

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United Flight 581 Route Deals From $165

The cheapest prices found with in the last 7 days for return flights were $330 and $165 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 2 - Sat, Dec 5
BNA
Nashville Intl.
SFO
San Francisco Intl.
$330 Roundtrip, just found
$330
Roundtrip
just found
Select United flight, departing Wed, Dec 2 from Nashville Intl. to San Francisco Intl., returning Sat, Dec 5, priced at $330 just found
Wed, Oct 7 - Sat, Oct 10
BNA
Nashville Intl.
SFO
San Francisco Intl.
$335 Roundtrip, just found
$335
Roundtrip
just found
Select United flight, departing Wed, Oct 7 from Nashville Intl. to San Francisco Intl., returning Sat, Oct 10, priced at $335 just found
Wed, Dec 2 - Sat, Dec 5
BNA
Nashville Intl.
SFO
San Francisco Intl.
$345 Roundtrip, just found
$345
Roundtrip
just found
Select United flight, departing Wed, Dec 2 from Nashville Intl. to San Francisco Intl., returning Sat, Dec 5, priced at $345 just found
Wed, Oct 7 - Sat, Oct 10
BNA
Nashville Intl.
SFO
San Francisco Intl.
$350 Roundtrip, just found
$350
Roundtrip
just found
Select United flight, departing Wed, Oct 7 from Nashville Intl. to San Francisco Intl., returning Sat, Oct 10, priced at $350 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.