United Flight UA4558 Deals & Information (2025/2026)

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United Flight 4558 Route Deals From $173

The cheapest prices found with in the last 7 days for return flights were $189 and $173 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 21 - Mon, Aug 25
GSO
Piedmont Triad Intl.
EWR
Newark Liberty Intl. Airport
$189 Roundtrip, found 4 days ago
$189
Roundtrip
found 4 days ago
Select United flight, departing Thu, Aug 21 from Piedmont Triad Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 25, priced at $189 found 4 days ago
Wed, Nov 19 - Mon, Nov 24
GSO
Piedmont Triad Intl.
EWR
Newark Liberty Intl. Airport
$192 Roundtrip, found 4 hours ago
$192
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Nov 19 from Piedmont Triad Intl. to Newark Liberty Intl. Airport, returning Mon, Nov 24, priced at $192 found 4 hours ago
Thu, Jul 17 - Sat, Jul 26
GSO
Piedmont Triad Intl.
EWR
Newark Liberty Intl. Airport
$193 Roundtrip, found 3 days ago
$193
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jul 17 from Piedmont Triad Intl. to Newark Liberty Intl. Airport, returning Sat, Jul 26, priced at $193 found 3 days ago
Wed, Jul 9 - Tue, Jul 22
GSO
Piedmont Triad Intl.
EWR
Newark Liberty Intl. Airport
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jul 9 from Piedmont Triad Intl. to Newark Liberty Intl. Airport, returning Tue, Jul 22, priced at $198 found 3 days ago
Sat, Sep 13 - Sun, Sep 21
GSO
Piedmont Triad Intl.
EWR
Newark Liberty Intl. Airport
$199 Roundtrip, found 1 day ago
$199
Roundtrip
found 1 day ago
Select United flight, departing Sat, Sep 13 from Piedmont Triad Intl. to Newark Liberty Intl. Airport, returning Sun, Sep 21, priced at $199 found 1 day ago
Wed, Nov 19 - Mon, Nov 24
GSO
Piedmont Triad Intl.
EWR
Newark Liberty Intl. Airport
$201 Roundtrip, found 4 hours ago
$201
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Nov 19 from Piedmont Triad Intl. to Newark Liberty Intl. Airport, returning Mon, Nov 24, priced at $201 found 4 hours ago
Wed, Aug 13 - Tue, Aug 19
GSO
Piedmont Triad Intl.
EWR
Newark Liberty Intl. Airport
$202 Roundtrip, found 13 hours ago
$202
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Aug 13 from Piedmont Triad Intl. to Newark Liberty Intl. Airport, returning Tue, Aug 19, priced at $202 found 13 hours ago
Sat, Sep 13 - Tue, Sep 16
GSO
Piedmont Triad Intl.
EWR
Newark Liberty Intl. Airport
$203 Roundtrip, found 6 days ago
$203
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 13 from Piedmont Triad Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 16, priced at $203 found 6 days ago
Thu, Jul 10 - Sun, Jul 13
GSO
Piedmont Triad Intl.
EWR
Newark Liberty Intl. Airport
$208 Roundtrip, found 2 days ago
$208
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jul 10 from Piedmont Triad Intl. to Newark Liberty Intl. Airport, returning Sun, Jul 13, priced at $208 found 2 days ago
Sat, Sep 13 - Tue, Sep 16
GSO
Piedmont Triad Intl.
EWR
Newark Liberty Intl. Airport
$211 Roundtrip, found 6 days ago
$211
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 13 from Piedmont Triad Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 16, priced at $211 found 6 days ago

Frequently asked questions

What route does flight number UA4558 take?
UA4558 operates direct from ORD to Nantucket Memorial Airport (ACK). During this journey, expect to be in the air for about 2 hours and 30 minutes. Book ahead to secure your favorite seat.
What terminal does UA4558 fly out of?
You'll likely be hopping on the plane at Terminal 1 if you're booked on flight UA4558 direct from Chicago, IL Airport (ORD-O'Hare Intl.) to Nantucket Memorial Airport.
What kind of plane is on flight number UA4558?
Get set to jump on board a Canadair (Bombardier) Regional Jet 550 if you're traveling on flight UA4558. Almost all flights from ORD to Nantucket Memorial Airport use this model of aircraft.
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 UA4558 flight with Travelocity, please visit our Customer Service Portal.