United Flight 4508 Deals & Information (2026/2027)

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United Flight 4508 Route Deals From $101

The cheapest prices found with in the last 7 days for return flights were $203 and $101 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 3 - Thu, Aug 6
DCA
Ronald Reagan Washington National
EWR
Newark Liberty Intl. Airport
$203 Roundtrip, found 6 days ago
$203
Roundtrip
found 6 days ago
Select United flight, departing Mon, Aug 3 from Ronald Reagan Washington National to Newark Liberty Intl. Airport, returning Thu, Aug 6, priced at $203 found 6 days ago
Sun, Aug 2 - Wed, Aug 5
DCA
Ronald Reagan Washington National
EWR
Newark Liberty Intl. Airport
$208 Roundtrip, found 6 days ago
$208
Roundtrip
found 6 days ago
Select United flight, departing Sun, Aug 2 from Ronald Reagan Washington National to Newark Liberty Intl. Airport, returning Wed, Aug 5, priced at $208 found 6 days ago
Fri, Dec 4 - Sat, Dec 5
DCA
Ronald Reagan Washington National
EWR
Newark Liberty Intl. Airport
$209 Roundtrip, found 3 days ago
$209
Roundtrip
found 3 days ago
Select United flight, departing Fri, Dec 4 from Ronald Reagan Washington National to Newark Liberty Intl. Airport, returning Sat, Dec 5, priced at $209 found 3 days ago
Tue, Aug 11 - Sun, Aug 16
DCA
Ronald Reagan Washington National
EWR
Newark Liberty Intl. Airport
$214 Roundtrip, found 2 days ago
$214
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 11 from Ronald Reagan Washington National to Newark Liberty Intl. Airport, returning Sun, Aug 16, priced at $214 found 2 days ago
Sat, Aug 8 - Sun, Aug 9
DCA
Ronald Reagan Washington National
EWR
Newark Liberty Intl. Airport
$222 Roundtrip, found 1 day ago
$222
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 8 from Ronald Reagan Washington National to Newark Liberty Intl. Airport, returning Sun, Aug 9, priced at $222 found 1 day ago
Sun, Aug 23 - Sun, Aug 30
DCA
Ronald Reagan Washington National
EWR
Newark Liberty Intl. Airport
$225 Roundtrip, found 4 days ago
$225
Roundtrip
found 4 days ago
Select United flight, departing Sun, Aug 23 from Ronald Reagan Washington National to Newark Liberty Intl. Airport, returning Sun, Aug 30, priced at $225 found 4 days ago
Sat, Sep 12 - Thu, Sep 17
DCA
Ronald Reagan Washington National
EWR
Newark Liberty Intl. Airport
$226 Roundtrip, found 3 days ago
$226
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 12 from Ronald Reagan Washington National to Newark Liberty Intl. Airport, returning Thu, Sep 17, priced at $226 found 3 days ago
Fri, Aug 7 - Sat, Aug 8
DCA
Ronald Reagan Washington National
EWR
Newark Liberty Intl. Airport
$227 Roundtrip, just found
$227
Roundtrip
just found
Select United flight, departing Fri, Aug 7 from Ronald Reagan Washington National to Newark Liberty Intl. Airport, returning Sat, Aug 8, priced at $227 just found
Fri, Aug 7 - Mon, Aug 10
DCA
Ronald Reagan Washington National
EWR
Newark Liberty Intl. Airport
$228 Roundtrip, found 4 days ago
$228
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 7 from Ronald Reagan Washington National to Newark Liberty Intl. Airport, returning Mon, Aug 10, priced at $228 found 4 days ago
Sat, Aug 1 - Sun, Aug 2
DCA
Ronald Reagan Washington National
EWR
Newark Liberty Intl. Airport
$232 Roundtrip, found 2 days ago
$232
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 1 from Ronald Reagan Washington National to Newark Liberty Intl. Airport, returning Sun, Aug 2, priced at $232 found 2 days ago

Frequently asked questions

What route does flight number UA4508 take?
UA4508 is used on a number of routes. Most often, UA4508 flies straight from STL to Liberty Intl. Airport (EWR). If that's your chosen flight path, you'll be flying for about 2 hours and 19 minutes.
What terminal does UA4508 fly out of?
Terminal 1 is the terminal you'll likely take off from if you're booked on a flight leaving from STL. Lambert Field to Liberty Intl. Airport (EWR) is the most commonly traveled route for flight number UA4508.
What kind of plane is on flight number UA4508?
You'll probably be traveling aboard the Canadair (Bombardier) Regional Jet 550 if you're on flight number UA4508 from STL to Liberty Intl. Airport (EWR). This is the most commonly used type of aircraft on this particular 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 UA4508 flight with Travelocity, please visit our Customer Service Portal.