United Flight 4478 Deals & Information (2025/2026)

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United Flight 4478 Route Deals From $117

The cheapest prices found with in the last 7 days for return flights were $247 and $117 for one-way flights to Richmond Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 8 - Tue, Nov 11
ORD
O'Hare Intl.
RIC
Richmond Intl.
$247 Roundtrip, found 4 hours ago
$247
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Nov 8 from O'Hare Intl. to Richmond Intl., returning Tue, Nov 11, priced at $247 found 4 hours ago
Thu, Oct 30 - Tue, Nov 4
ORD
O'Hare Intl.
RIC
Richmond Intl.
$250 Roundtrip, found 13 hours ago
$250
Roundtrip
found 13 hours ago
Select United flight, departing Thu, Oct 30 from O'Hare Intl. to Richmond Intl., returning Tue, Nov 4, priced at $250 found 13 hours ago

Frequently asked questions

What route does flight number UA4478 take?
UA4478 takes roughly 2 hours and 1 minute to jet directly from STL to IAD. We all know there's magic in the destination, but half the fun is in the journey!
What terminal does UA4478 fly out of?
Passengers on flight number UA4478 from STL to IAD typically fly out of Terminal 1.
What kind of plane is on flight number UA4478?
The Canadair (Bombardier) Regional Jet 550 is the type of aircraft most commonly used for flight number UA4478. This flight almost always leaves from Lambert Field and lands at IAD.
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 UA4478 flight with Travelocity, please visit our Customer Service Portal.