United Flight 4566 Deals & Information (2026/2027)

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United Flight 4566 Route Deals From $324

The cheapest prices found with in the last 7 days for return flights were $329 and $324 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 18 - Sun, Feb 21
SCE
University Park
ORD
O'Hare Intl.
$329 Roundtrip, found 4 days ago
$329
Roundtrip
found 4 days ago
Select United flight, departing Thu, Feb 18 from University Park to O'Hare Intl., returning Sun, Feb 21, priced at $329 found 4 days ago
Mon, Jan 11 - Sat, Jan 16
SCE
University Park
ORD
O'Hare Intl.
$339 Roundtrip, found 2 days ago
$339
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jan 11 from University Park to O'Hare Intl., returning Sat, Jan 16, priced at $339 found 2 days ago
Wed, Nov 18 - Sun, Nov 22
SCE
University Park
ORD
O'Hare Intl.
$344 Roundtrip, found 4 days ago
$344
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 18 from University Park to O'Hare Intl., returning Sun, Nov 22, priced at $344 found 4 days ago
Sat, Dec 26 - Mon, Jan 4
SCE
University Park
ORD
O'Hare Intl.
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 26 from University Park to O'Hare Intl., returning Mon, Jan 4, priced at $349 found 1 day ago
Mon, Jan 11 - Sat, Jan 16
SCE
University Park
ORD
O'Hare Intl.
$353 Roundtrip, found 2 days ago
$353
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jan 11 from University Park to O'Hare Intl., returning Sat, Jan 16, priced at $353 found 2 days ago
Mon, Jan 11 - Sat, Jan 16
SCE
University Park
ORD
O'Hare Intl.
$356 Roundtrip, found 2 days ago
$356
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jan 11 from University Park to O'Hare Intl., returning Sat, Jan 16, priced at $356 found 2 days ago
Fri, Nov 6 - Sat, Nov 7
SCE
University Park
ORD
O'Hare Intl.
$358 Roundtrip, found 3 days ago
$358
Roundtrip
found 3 days ago
Select United flight, departing Fri, Nov 6 from University Park to O'Hare Intl., returning Sat, Nov 7, priced at $358 found 3 days ago
Sat, Dec 26 - Mon, Jan 4
SCE
University Park
ORD
O'Hare Intl.
$359 Roundtrip, found 1 day ago
$359
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 26 from University Park to O'Hare Intl., returning Mon, Jan 4, priced at $359 found 1 day ago
Mon, Jan 11 - Sat, Jan 16
SCE
University Park
ORD
O'Hare Intl.
$359 Roundtrip, found 2 days ago
$359
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jan 11 from University Park to O'Hare Intl., returning Sat, Jan 16, priced at $359 found 2 days ago
Mon, Jan 11 - Sat, Jan 16
SCE
University Park
ORD
O'Hare Intl.
$363 Roundtrip, found 2 days ago
$363
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jan 11 from University Park to O'Hare Intl., returning Sat, Jan 16, priced at $363 found 2 days ago

Frequently asked questions

What route does flight number UA4566 take?
Flight number UA4566 takes about 2 hours and 17 minutes to fly directly from Hilton Head Island Airport (HHH) to STL. We all know there's magic in the destination, but the journey is always half the fun!
What kind of plane is on flight number UA4566?
Get set to hop on board a Canadair (Bombardier) Regional Jet 550 if your flight number is UA4566. The majority of flights from Hilton Head Island Airport (HHH) to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) operate using this type of plane.
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 UA4566 flight with Travelocity, please visit our Customer Service Portal.