United Flight UA1685 Deals & Information (2025/2026)

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United Flight 1685 Route Deals From $139

The cheapest prices found with in the last 7 days for return flights were $737 and $139 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 9 - Wed, Dec 17
LIH
Lihue
SFO
San Francisco Intl.
$737 Roundtrip, found 3 days ago
$737
Roundtrip
found 3 days ago
Select United flight, departing Tue, Dec 9 from Lihue to San Francisco Intl., returning Wed, Dec 17, priced at $737 found 3 days ago

Frequently asked questions

What route does flight number UA1685 take?
You'll be touching down at Denver, CO Airport (DEN-Denver Intl.) from Lihue, HI Airport (LIH) if you're traveling on flight number UA1685. You'll be in the sky for 6 hours and 52 minutes during this journey. What's more, it conveniently travels non-stop.
How often is UA1685 on time?
For those flying with United Airlines flight number UA1685 between Lihue Airport and Denver, CO Airport (DEN-Denver Intl.), 100% of these services leave on schedule. In the rare event of a delay, you're likely to wait about 7 minutes on average. Thanks to this carrier's top-notch service, this service has earned a 3.85-star rating.
What kind of plane is on flight number UA1685?
You're likely to find yourself traveling aboard the Boeing 757-200 if you're on flight number UA1685. Typically, this flight sets off from Lihue Airport and lands at DEN.
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 UA1685 flight with Travelocity, please visit our Customer Service Portal.