United Flight UA3855 Deals & Information (2025/2026)

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United Flight 3855 Route Deals From $164

The cheapest prices found with in the last 7 days for return flights were $327 and $164 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 16 - Sun, Oct 19
HNL
Daniel K. Inouye Intl.
SFO
San Francisco Intl.
$327 Roundtrip, found 6 days ago
$327
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 16 from Daniel K. Inouye Intl. to San Francisco Intl., returning Sun, Oct 19, priced at $327 found 6 days ago
Thu, Oct 16 - Sun, Oct 19
HNL
Daniel K. Inouye Intl.
SFO
San Francisco Intl.
$327 Roundtrip, found 6 days ago
$327
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 16 from Daniel K. Inouye Intl. to San Francisco Intl., returning Sun, Oct 19, priced at $327 found 6 days ago
Wed, Sep 10 - Sun, Sep 14
HNL
Daniel K. Inouye Intl.
SFO
San Francisco Intl.
$335 Roundtrip, found 1 hour ago
$335
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 10 from Daniel K. Inouye Intl. to San Francisco Intl., returning Sun, Sep 14, priced at $335 found 1 hour ago
Wed, Nov 5 - Sun, Nov 9
HNL
Daniel K. Inouye Intl.
SFO
San Francisco Intl.
$338 Roundtrip, found 3 days ago
$338
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 5 from Daniel K. Inouye Intl. to San Francisco Intl., returning Sun, Nov 9, priced at $338 found 3 days ago
Thu, Oct 2 - Mon, Oct 6
HNL
Daniel K. Inouye Intl.
SFO
San Francisco Intl.
$340 Roundtrip, found 2 days ago
$340
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 2 from Daniel K. Inouye Intl. to San Francisco Intl., returning Mon, Oct 6, priced at $340 found 2 days ago
Wed, Sep 10 - Sun, Sep 14
HNL
Daniel K. Inouye Intl.
SFO
San Francisco Intl.
$342 Roundtrip, found 1 hour ago
$342
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 10 from Daniel K. Inouye Intl. to San Francisco Intl., returning Sun, Sep 14, priced at $342 found 1 hour ago
Wed, Sep 10 - Sun, Sep 14
HNL
Daniel K. Inouye Intl.
SFO
San Francisco Intl.
$343 Roundtrip, found 1 hour ago
$343
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 10 from Daniel K. Inouye Intl. to San Francisco Intl., returning Sun, Sep 14, priced at $343 found 1 hour ago
Wed, Sep 10 - Sun, Sep 14
HNL
Daniel K. Inouye Intl.
SFO
San Francisco Intl.
$352 Roundtrip, found 1 hour ago
$352
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 10 from Daniel K. Inouye Intl. to San Francisco Intl., returning Sun, Sep 14, priced at $352 found 1 hour ago
Wed, Sep 10 - Sun, Sep 14
HNL
Daniel K. Inouye Intl.
SFO
San Francisco Intl.
$354 Roundtrip, found 1 hour ago
$354
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 10 from Daniel K. Inouye Intl. to San Francisco Intl., returning Sun, Sep 14, priced at $354 found 1 hour ago

Frequently asked questions

What route does flight number UA3855 take?
UA3855 operates non-stop from Washington, DC Airport (IAD-Washington Dulles Intl.) to Philadelphia Intl. Airport (PHL). During this journey, you'll be in the air for about 1 hour and 5 minutes. Book ahead to lock in your preferred seat.
How often is UA3855 on time?
If you're flying on United Airlines flight number UA3855 between Washington Dulles Intl. Airport (IAD) and Philadelphia Intl. Airport (PHL), it's comforting knowing that 91% of these services arrive on time. In the rare event of a delay, expect an average wait time of about 15 minutes. This service has a 3.55-star rating.
What kind of plane is on flight number UA3855?
The Bombardier CRJ is the type of aircraft most commonly used for flight UA3855. This flight almost always departs from Dulles Intl. Airport and comes in to land at PHL.
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 UA3855 flight with Travelocity, please visit our Customer Service Portal.