United Flight 1251 Deals & Information (2025/2026)

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United Flight 1251 Route Deals From $142

The cheapest prices found with in the last 7 days for return flights were $276 and $142 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 12 - Mon, Feb 16
HNL
Daniel K. Inouye Intl.
LAX
Los Angeles Intl.
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 12 from Daniel K. Inouye Intl. to Los Angeles Intl., returning Mon, Feb 16, priced at $276 found 1 day ago
Tue, Feb 17 - Mon, Feb 23
HNL
Daniel K. Inouye Intl.
LAX
Los Angeles Intl.
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select United flight, departing Tue, Feb 17 from Daniel K. Inouye Intl. to Los Angeles Intl., returning Mon, Feb 23, priced at $283 found 4 days ago
Mon, Jan 19 - Mon, Jan 26
HNL
Daniel K. Inouye Intl.
LAX
Los Angeles Intl.
$300 Roundtrip, found 1 day ago
$300
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 19 from Daniel K. Inouye Intl. to Los Angeles Intl., returning Mon, Jan 26, priced at $300 found 1 day ago

Frequently asked questions

What route does flight number UA1251 take?
UA1251 flies directly from BOS to O'Hare Intl. Airport (ORD). During this trip, you can expect to be in the air for approximately 2 hours and 47 minutes. It pays to book ahead to lock in your preferred seat.
What terminal does UA1251 fly out of?
Flight number UA1251 runs between Logan Intl. Airport (BOS) and O'Hare Intl. Airport (ORD), and travelers on this flight commonly depart from Terminal B.
What kind of plane is on flight number UA1251?
You're likely to be on the Boeing 737-800 if you're booked on flight number UA1251. Generally, this flight leaves from Logan Intl. Airport (BOS) and comes in to land at Chicago, IL Airport (ORD-O'Hare Intl.).
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 UA1251 flight with Travelocity, please visit our Customer Service Portal.