United Flight 552 Deals & Information (2025/2026)

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United Flight 552 Route Deals From $279

The cheapest prices found with in the last 7 days for return flights were $284 and $279 for one-way flights to Philadelphia Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 3 - Sat, Oct 4
SFO
San Francisco Intl.
PHL
Philadelphia Intl.
$284 Roundtrip, found 4 days ago
$284
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 3 from San Francisco Intl. to Philadelphia Intl., returning Sat, Oct 4, priced at $284 found 4 days ago
Fri, Oct 3 - Mon, Oct 6
SFO
San Francisco Intl.
PHL
Philadelphia Intl.
$299 Roundtrip, found 21 hours ago
$299
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Oct 3 from San Francisco Intl. to Philadelphia Intl., returning Mon, Oct 6, priced at $299 found 21 hours ago
Wed, Aug 13 - Mon, Aug 18
SFO
San Francisco Intl.
PHL
Philadelphia Intl.
$304 Roundtrip, found 1 day ago
$304
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 13 from San Francisco Intl. to Philadelphia Intl., returning Mon, Aug 18, priced at $304 found 1 day ago
Thu, Nov 20 - Tue, Nov 25
SFO
San Francisco Intl.
PHL
Philadelphia Intl.
$313 Roundtrip, found 23 hours ago
$313
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Nov 20 from San Francisco Intl. to Philadelphia Intl., returning Tue, Nov 25, priced at $313 found 23 hours ago

Frequently asked questions

What route does flight number UA552 take?
UA552 is used on multiple routes. Mostly, UA552 flies directly from San Francisco Airport to Los Angeles Intl. Airport (LAX). If that's your chosen flight path, you'll be airborne for approximately 1 hour and 37 minutes.
What terminal does UA552 fly out of?
Terminal 3 is the terminal you'll most likely depart from if you're booked on a flight leaving from San Francisco Airport. San Francisco, CA Airport (SFO-San Francisco Intl.) to Los Angeles, CA Airport (LAX-Los Angeles Intl.) is the most commonly traveled route for flight number UA552.
What kind of plane is on flight number UA552?
UA552 is a flight number that is used on many routes. If you're heading off on its most popular route, San Francisco Intl. Airport (SFO) to Los Angeles, CA Airport (LAX-Los Angeles Intl.), there's a good chance you'll be hopping aboard the Airbus A320.
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 UA552 flight with Travelocity, please visit our Customer Service Portal.