United Flight 1251 Deals & Information (2025/2026)

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United Flight 1251 Route Deals From $153

The cheapest prices found with in the last 7 days for return flights were $316 and $153 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Dec 19 - Wed, Dec 31
HNL
Daniel K. Inouye Intl.
LAX
Los Angeles Intl.
$316 Roundtrip, found 13 hours ago
$316
Roundtrip
found 13 hours ago
Select United flight, departing Fri, Dec 19 from Daniel K. Inouye Intl. to Los Angeles Intl., returning Wed, Dec 31, priced at $316 found 13 hours ago
Fri, Sep 5 - Mon, Sep 8
HNL
Daniel K. Inouye Intl.
LAX
Los Angeles Intl.
$401 Roundtrip, just found
$401
Roundtrip
just found
Select United flight, departing Fri, Sep 5 from Daniel K. Inouye Intl. to Los Angeles Intl., returning Mon, Sep 8, priced at $401 just found

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.