United Flight 4566 Deals & Information (2026/2027)

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United Flight 4566 Route Deals From $228

The cheapest prices found with in the last 7 days for return flights were $266 and $228 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 6 - Sun, Feb 8
SCE
University Park
ORD
O'Hare Intl.
$266 Roundtrip, found 3 days ago
$266
Roundtrip
found 3 days ago
Select United flight, departing Fri, Feb 6 from University Park to O'Hare Intl., returning Sun, Feb 8, priced at $266 found 3 days ago
Fri, Feb 6 - Sun, Feb 8
SCE
University Park
ORD
O'Hare Intl.
$288 Roundtrip, found 3 days ago
$288
Roundtrip
found 3 days ago
Select United flight, departing Fri, Feb 6 from University Park to O'Hare Intl., returning Sun, Feb 8, priced at $288 found 3 days ago
Fri, Feb 6 - Sun, Feb 8
SCE
University Park
ORD
O'Hare Intl.
$292 Roundtrip, found 3 days ago
$292
Roundtrip
found 3 days ago
Select United flight, departing Fri, Feb 6 from University Park to O'Hare Intl., returning Sun, Feb 8, priced at $292 found 3 days ago
Thu, Apr 23 - Sun, Apr 26
SCE
University Park
ORD
O'Hare Intl.
$313 Roundtrip, just found
$313
Roundtrip
just found
Select United flight, departing Thu, Apr 23 from University Park to O'Hare Intl., returning Sun, Apr 26, priced at $313 just found
Fri, Feb 6 - Sun, Feb 8
SCE
University Park
ORD
O'Hare Intl.
$337 Roundtrip, found 3 days ago
$337
Roundtrip
found 3 days ago
Select United flight, departing Fri, Feb 6 from University Park to O'Hare Intl., returning Sun, Feb 8, priced at $337 found 3 days ago
Fri, Feb 6 - Sun, Feb 8
SCE
University Park
ORD
O'Hare Intl.
$354 Roundtrip, found 3 days ago
$354
Roundtrip
found 3 days ago
Select United flight, departing Fri, Feb 6 from University Park to O'Hare Intl., returning Sun, Feb 8, priced at $354 found 3 days ago
Fri, Feb 6 - Sun, Feb 8
SCE
University Park
ORD
O'Hare Intl.
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select United flight, departing Fri, Feb 6 from University Park to O'Hare Intl., returning Sun, Feb 8, priced at $359 found 3 days ago
Fri, Feb 6 - Sun, Feb 8
SCE
University Park
ORD
O'Hare Intl.
$364 Roundtrip, found 3 days ago
$364
Roundtrip
found 3 days ago
Select United flight, departing Fri, Feb 6 from University Park to O'Hare Intl., returning Sun, Feb 8, priced at $364 found 3 days ago
Sat, Jul 11 - Sun, Jul 26
SCE
University Park
ORD
O'Hare Intl.
$370 Roundtrip, found 7 hours ago
$370
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Jul 11 from University Park to O'Hare Intl., returning Sun, Jul 26, priced at $370 found 7 hours ago
Thu, Apr 23 - Sun, Apr 26
SCE
University Park
ORD
O'Hare Intl.
$382 Roundtrip, just found
$382
Roundtrip
just found
Select United flight, departing Thu, Apr 23 from University Park to O'Hare Intl., returning Sun, Apr 26, priced at $382 just found

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.