United Flight AA1231 Deals & Information (2025/2026)

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United Flight 1231 Route Deals From $74

The cheapest prices found with in the last 7 days for return flights were $129 and $74 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 25 - Tue, Jul 29
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$129 Roundtrip, found 6 hours ago
$129
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Jul 25 from Miami Intl. to Newark Liberty Intl. Airport, returning Tue, Jul 29, priced at $129 found 6 hours ago
Wed, Oct 15 - Mon, Oct 20
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$142 Roundtrip, found 12 hours ago
$142
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Oct 15 from Miami Intl. to Newark Liberty Intl. Airport, returning Mon, Oct 20, priced at $142 found 12 hours ago
Wed, Oct 15 - Mon, Oct 20
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$153 Roundtrip, found 12 hours ago
$153
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Oct 15 from Miami Intl. to Newark Liberty Intl. Airport, returning Mon, Oct 20, priced at $153 found 12 hours ago
Fri, Jul 25 - Tue, Jul 29
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$160 Roundtrip, found 6 hours ago
$160
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Jul 25 from Miami Intl. to Newark Liberty Intl. Airport, returning Tue, Jul 29, priced at $160 found 6 hours ago
Wed, Oct 15 - Mon, Oct 20
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$162 Roundtrip, found 12 hours ago
$162
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Oct 15 from Miami Intl. to Newark Liberty Intl. Airport, returning Mon, Oct 20, priced at $162 found 12 hours ago
Wed, Oct 15 - Mon, Oct 20
MIA
Miami Intl.
EWR
Newark Liberty Intl. Airport
$166 Roundtrip, found 12 hours ago
$166
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Oct 15 from Miami Intl. to Newark Liberty Intl. Airport, returning Mon, Oct 20, priced at $166 found 12 hours ago

Frequently asked questions

What route does flight number UA1231 take?
UA1231 operates direct from Honolulu, HI Airport (HNL-Daniel K. Inouye Intl.) to Los Angeles, CA Airport (LAX-Los Angeles Intl.). During this journey, expect to be in the air for 5 hours and 24 minutes. It's wise to book ahead to lock in your preferred seat.
How often is UA1231 on time?
Approximately 93% of UA1231 flights depart on time --- so if you'll be up in the air from HNL to Los Angeles, CA Airport (LAX-Los Angeles Intl.), you can rest easy knowing that you'll touch down at your destination as quickly as possible. If your United Airlines trip encounters a delay, you can expect to wait approximately 53 minutes. Because of the carrier's top-quality service, this route has a 2.6-star rating.
What terminal does UA1231 fly out of?
Flights between Honolulu, HI Airport (HNL-Daniel K. Inouye Intl.) and LAX are served by UA1231, and passengers who opt for this flight typically take off from Terminal 2.
What kind of plane is on flight number UA1231?
The Boeing 757-300 is the type of aircraft usually used for flight UA1231. More often than not, this flight departs from Honolulu Intl. Airport and lands at Los Angeles Intl. Airport (LAX).
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 UA1231 flight with Travelocity, please visit our Customer Service Portal.