United Flight 4566 Deals & Information (2026/2027)

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United Flight 4566 Route Deals From $254

The cheapest prices found with in the last 7 days for return flights were $274 and $254 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 13 - Wed, Jun 17
SCE
University Park
ORD
O'Hare Intl.
$274 Roundtrip, found 6 days ago
$274
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 13 from University Park to O'Hare Intl., returning Wed, Jun 17, priced at $274 found 6 days ago
Tue, Apr 14 - Sat, Apr 18
SCE
University Park
ORD
O'Hare Intl.
$281 Roundtrip, found 1 day ago
$281
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 14 from University Park to O'Hare Intl., returning Sat, Apr 18, priced at $281 found 1 day ago
Sat, Jun 13 - Wed, Jun 17
SCE
University Park
ORD
O'Hare Intl.
$284 Roundtrip, found 6 days ago
$284
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 13 from University Park to O'Hare Intl., returning Wed, Jun 17, priced at $284 found 6 days ago
Sat, Jun 13 - Wed, Jun 17
SCE
University Park
ORD
O'Hare Intl.
$287 Roundtrip, found 6 days ago
$287
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 13 from University Park to O'Hare Intl., returning Wed, Jun 17, priced at $287 found 6 days ago
Tue, Apr 14 - Sat, Apr 18
SCE
University Park
ORD
O'Hare Intl.
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 14 from University Park to O'Hare Intl., returning Sat, Apr 18, priced at $291 found 1 day ago
Tue, Apr 14 - Sat, Apr 18
SCE
University Park
ORD
O'Hare Intl.
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 14 from University Park to O'Hare Intl., returning Sat, Apr 18, priced at $293 found 1 day ago
Tue, Apr 14 - Sat, Apr 18
SCE
University Park
ORD
O'Hare Intl.
$297 Roundtrip, found 1 day ago
$297
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 14 from University Park to O'Hare Intl., returning Sat, Apr 18, priced at $297 found 1 day ago
Thu, Apr 9 - Thu, Apr 16
SCE
University Park
ORD
O'Hare Intl.
$302 Roundtrip, found 17 hours ago
$302
Roundtrip
found 17 hours ago
Select United flight, departing Thu, Apr 9 from University Park to O'Hare Intl., returning Thu, Apr 16, priced at $302 found 17 hours ago
Tue, Apr 14 - Sat, Apr 18
SCE
University Park
ORD
O'Hare Intl.
$303 Roundtrip, found 1 day ago
$303
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 14 from University Park to O'Hare Intl., returning Sat, Apr 18, priced at $303 found 1 day ago
Thu, Apr 16 - Sun, Apr 19
SCE
University Park
ORD
O'Hare Intl.
$306 Roundtrip, found 3 days ago
$306
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 16 from University Park to O'Hare Intl., returning Sun, Apr 19, priced at $306 found 3 days ago
Tue, Apr 14 - Sat, Apr 18
SCE
University Park
ORD
O'Hare Intl.
$307 Roundtrip, found 1 day ago
$307
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 14 from University Park to O'Hare Intl., returning Sat, Apr 18, priced at $307 found 1 day ago
Thu, Apr 16 - Sun, Apr 19
SCE
University Park
ORD
O'Hare Intl.
$310 Roundtrip, found 3 days ago
$310
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 16 from University Park to O'Hare Intl., returning Sun, Apr 19, priced at $310 found 3 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.