United Flight 4416 Deals & Information (2025/2026)

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United Flight 4416 Route Deals From $47

The cheapest prices found with in the last 7 days for return flights were $91 and $47 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 5 - Tue, Nov 18
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$91 Roundtrip, found 5 hours ago
$91
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Nov 5 from O'Hare Intl. to Lambert-St. Louis Intl., returning Tue, Nov 18, priced at $91 found 5 hours ago
Wed, Aug 20 - Thu, Aug 21
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$93 Roundtrip, found 2 days ago
$93
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 20 from O'Hare Intl. to Lambert-St. Louis Intl., returning Thu, Aug 21, priced at $93 found 2 days ago
Wed, Nov 5 - Tue, Nov 18
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$111 Roundtrip, found 5 hours ago
$111
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Nov 5 from O'Hare Intl. to Lambert-St. Louis Intl., returning Tue, Nov 18, priced at $111 found 5 hours ago
Wed, Nov 5 - Wed, Nov 19
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$121 Roundtrip, found 5 hours ago
$121
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Nov 5 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Nov 19, priced at $121 found 5 hours ago
Wed, Aug 20 - Thu, Aug 21
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$144 Roundtrip, found 2 days ago
$144
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 20 from O'Hare Intl. to Lambert-St. Louis Intl., returning Thu, Aug 21, priced at $144 found 2 days ago
Mon, Oct 6 - Fri, Oct 10
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$149 Roundtrip, found 3 days ago
$149
Roundtrip
found 3 days ago
Select United flight, departing Mon, Oct 6 from O'Hare Intl. to Lambert-St. Louis Intl., returning Fri, Oct 10, priced at $149 found 3 days ago
Wed, Aug 20 - Thu, Aug 21
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$153 Roundtrip, found 2 days ago
$153
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 20 from O'Hare Intl. to Lambert-St. Louis Intl., returning Thu, Aug 21, priced at $153 found 2 days ago
Wed, Nov 5 - Tue, Nov 18
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 5 hours ago
$159
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Nov 5 from O'Hare Intl. to Lambert-St. Louis Intl., returning Tue, Nov 18, priced at $159 found 5 hours ago
Wed, Nov 5 - Tue, Nov 18
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$166 Roundtrip, found 5 hours ago
$166
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Nov 5 from O'Hare Intl. to Lambert-St. Louis Intl., returning Tue, Nov 18, priced at $166 found 5 hours ago

Frequently asked questions

What route does flight number UA4416 take?
UA4416 is used on a number of routes. More commonly, UA4416 flies directly from BUF to Liberty Intl. Airport (EWR). If this is your route, you'll be airborne for approximately 1 hour and 19 minutes.
What kind of plane is on flight number UA4416?
It's likely you'll be aboard the Canadair (Bombardier) Regional Jet 550 if you're going from BUF to EWR, one of a few routes used for flight number UA4416.
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 UA4416 flight with Travelocity, please visit our Customer Service Portal.