United Flight UA4478 Deals & Information (2025/2026)

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United Flight 4478 Route Deals From $224

The cheapest prices found with in the last 7 days for return flights were $223 and $224 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 15 - Sat, Aug 30
TVC
Cherry Capital
EWR
Newark Liberty Intl. Airport
$223 Roundtrip, found 4 days ago
$223
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 15 from Cherry Capital to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $223 found 4 days ago
Fri, Oct 31 - Sun, Nov 2
TVC
Cherry Capital
EWR
Newark Liberty Intl. Airport
$229 Roundtrip, found 6 hours ago
$229
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Oct 31 from Cherry Capital to Newark Liberty Intl. Airport, returning Sun, Nov 2, priced at $229 found 6 hours ago
Thu, Aug 21 - Sun, Aug 24
TVC
Cherry Capital
EWR
Newark Liberty Intl. Airport
$244 Roundtrip, found 6 days ago
$244
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 21 from Cherry Capital to Newark Liberty Intl. Airport, returning Sun, Aug 24, priced at $244 found 6 days ago
Fri, Aug 15 - Sun, Aug 17
TVC
Cherry Capital
EWR
Newark Liberty Intl. Airport
$247 Roundtrip, found 12 hours ago
$247
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Aug 15 from Cherry Capital to Newark Liberty Intl. Airport, returning Sun, Aug 17, priced at $247 found 12 hours ago
Fri, Aug 15 - Sun, Aug 17
TVC
Cherry Capital
EWR
Newark Liberty Intl. Airport
$248 Roundtrip, found 12 hours ago
$248
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Aug 15 from Cherry Capital to Newark Liberty Intl. Airport, returning Sun, Aug 17, priced at $248 found 12 hours ago
Fri, Oct 31 - Sun, Nov 2
TVC
Cherry Capital
EWR
Newark Liberty Intl. Airport
$254 Roundtrip, found 6 hours ago
$254
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Oct 31 from Cherry Capital to Newark Liberty Intl. Airport, returning Sun, Nov 2, priced at $254 found 6 hours ago
Fri, Aug 15 - Sat, Aug 30
TVC
Cherry Capital
EWR
Newark Liberty Intl. Airport
$255 Roundtrip, found 4 days ago
$255
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 15 from Cherry Capital to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $255 found 4 days ago
Fri, Aug 15 - Sat, Aug 30
TVC
Cherry Capital
EWR
Newark Liberty Intl. Airport
$260 Roundtrip, found 4 days ago
$260
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 15 from Cherry Capital to Newark Liberty Intl. Airport, returning Sat, Aug 30, priced at $260 found 4 days ago
Thu, Aug 21 - Sun, Aug 24
TVC
Cherry Capital
EWR
Newark Liberty Intl. Airport
$277 Roundtrip, found 6 days ago
$277
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 21 from Cherry Capital to Newark Liberty Intl. Airport, returning Sun, Aug 24, priced at $277 found 6 days ago
Fri, Oct 31 - Sun, Nov 2
TVC
Cherry Capital
EWR
Newark Liberty Intl. Airport
$286 Roundtrip, found 6 hours ago
$286
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Oct 31 from Cherry Capital to Newark Liberty Intl. Airport, returning Sun, Nov 2, priced at $286 found 6 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.