United Flight AA4432 Deals & Information (2025/2026)

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United Flight 4432 Route Deals From $46

The cheapest prices found with in the last 7 days for return flights were $77 and $46 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 4 - Wed, Aug 6
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$77 Roundtrip, found 2 days ago
$77
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 4 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Aug 6, priced at $77 found 2 days ago
Mon, Aug 4 - Wed, Aug 6
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$84 Roundtrip, found 2 days ago
$84
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 4 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Aug 6, priced at $84 found 2 days ago
Wed, Jul 30 - Wed, Aug 13
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$93 Roundtrip, found 2 hours ago
$93
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Jul 30 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Aug 13, priced at $93 found 2 hours ago
Mon, Aug 4 - Wed, Aug 6
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$94 Roundtrip, found 2 days ago
$94
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 4 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Aug 6, priced at $94 found 2 days ago
Mon, Aug 4 - Wed, Aug 6
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$96 Roundtrip, found 2 days ago
$96
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 4 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Aug 6, priced at $96 found 2 days ago
Mon, Aug 4 - Wed, Aug 6
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$109 Roundtrip, found 2 days ago
$109
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 4 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Aug 6, priced at $109 found 2 days ago
Tue, Aug 5 - Sat, Aug 9
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$114 Roundtrip, found 3 days ago
$114
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $114 found 3 days ago
Mon, Aug 4 - Wed, Aug 6
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$116 Roundtrip, found 2 days ago
$116
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 4 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Aug 6, priced at $116 found 2 days ago
Mon, Aug 4 - Wed, Aug 6
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$127 Roundtrip, found 2 days ago
$127
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 4 from Lambert-St. Louis Intl. to O'Hare Intl., returning Wed, Aug 6, priced at $127 found 2 days ago
Thu, Oct 2 - Sat, Oct 4
STL
Lambert-St. Louis Intl.
ORD
O'Hare Intl.
$131 Roundtrip, found 6 days ago
$131
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 2 from Lambert-St. Louis Intl. to O'Hare Intl., returning Sat, Oct 4, priced at $131 found 6 days ago

Frequently asked questions

What route does flight number UA4432 take?
UA4432 serves multiple routes, but the most common is between O'Hare Airport and DCA. If your flight goes direct, you'll land in 1 hour and 51 minutes. Multi-stop flights can also operate under the same number, as can flights on other routes.
What terminal does UA4432 fly out of?
You'll probably board from Terminal 1 if you're flying out of O'Hare Intl. Airport (ORD). Flight number UA4432 serves several routes, but the direct flight between O'Hare Intl. Airport (ORD) and Ronald Reagan Washington National Airport (DCA) is the most frequently traveled.
What kind of plane is on flight number UA4432?
If you've booked a seat on flight UA4432 from Chicago, IL Airport (ORD-O'Hare Intl.) to Ronald Reagan Washington National Airport (DCA), there's a strong chance you'll be jetting off on the Canadair (Bombardier) Regional Jet 550. Flight UA4432 serves more than one route, but this is the most popular.
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 UA4432 flight with Travelocity, please visit our Customer Service Portal.