United Flight 5644 Deals & Information (2026/2027)

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United Flight 5644 Route Deals From $129

The cheapest prices found with in the last 7 days for return flights were $257 and $129 for one-way flights to Charlotte-Douglas Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 16 - Mon, Dec 21
ORD
O'Hare Intl.
CLT
Charlotte-Douglas Intl.
$257 Roundtrip, found 2 hours ago
$257
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Dec 16 from O'Hare Intl. to Charlotte-Douglas Intl., returning Mon, Dec 21, priced at $257 found 2 hours ago
Tue, Dec 8 - Thu, Dec 10
ORD
O'Hare Intl.
CLT
Charlotte-Douglas Intl.
$272 Roundtrip, found 17 hours ago
$272
Roundtrip
found 17 hours ago
Select United flight, departing Tue, Dec 8 from O'Hare Intl. to Charlotte-Douglas Intl., returning Thu, Dec 10, priced at $272 found 17 hours ago
Tue, Dec 8 - Thu, Dec 10
ORD
O'Hare Intl.
CLT
Charlotte-Douglas Intl.
$281 Roundtrip, found 17 hours ago
$281
Roundtrip
found 17 hours ago
Select United flight, departing Tue, Dec 8 from O'Hare Intl. to Charlotte-Douglas Intl., returning Thu, Dec 10, priced at $281 found 17 hours ago
Tue, Dec 22 - Thu, Dec 31
ORD
O'Hare Intl.
CLT
Charlotte-Douglas Intl.
$283 Roundtrip, found 2 days ago
$283
Roundtrip
found 2 days ago
Select United flight, departing Tue, Dec 22 from O'Hare Intl. to Charlotte-Douglas Intl., returning Thu, Dec 31, priced at $283 found 2 days ago
Sat, Feb 20 - Sat, Feb 27
ORD
O'Hare Intl.
CLT
Charlotte-Douglas Intl.
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select United flight, departing Sat, Feb 20 from O'Hare Intl. to Charlotte-Douglas Intl., returning Sat, Feb 27, priced at $284 found 1 day ago