United Flight 3556 Deals & Information (2026/2027)

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United Flight 3556 Route Deals From $157

The cheapest prices found with in the last 7 days for return flights were $291 and $157 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 3 - Tue, Sep 8
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$291 Roundtrip, found 3 days ago
$291
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 3 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Tue, Sep 8, priced at $291 found 3 days ago
Tue, Aug 18 - Wed, Aug 19
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$300 Roundtrip, just found
$300
Roundtrip
just found
Select United flight, departing Tue, Aug 18 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Wed, Aug 19, priced at $300 just found
Tue, Aug 18 - Wed, Aug 19
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$310 Roundtrip, just found
$310
Roundtrip
just found
Select United flight, departing Tue, Aug 18 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Wed, Aug 19, priced at $310 just found

Frequently asked questions

What route does flight number UA3556 take?
UA3556 is used on multiple routes. Typically, UA3556 flies straight from Birmingham Intl. Airport (BHM) to ORD. If this is your route, you'll be flying for around 2 hours and 9 minutes.
What kind of plane is on flight number UA3556?
Chances are you'll be boarding an Embraer 175 if you've booked a ticket on flight UA3556 from Birmingham-Shuttlesworth International Airport to ORD. It's the most commonly used aircraft type on this route.
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 UA3556 flight with Travelocity, please visit our Customer Service Portal.