
United Flight UA3719 Deals & Information (2025/2026)
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United Flight 3719 Route Deals From $100
The cheapest prices found with in the last 7 days for return flights were $187 and $100 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$187 Roundtrip, found 6 days ago
$187
Roundtrip
found 6 days ago
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$209 Roundtrip, found 6 hours ago
$209
Roundtrip
found 6 hours ago
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$220 Roundtrip, found 6 hours ago
$220
Roundtrip
found 6 hours ago
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$222 Roundtrip, found 17 hours ago
$222
Roundtrip
found 17 hours ago