United Flight 3409 Deals & Information (2026/2027)

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United Flight 3409 Route Deals From $91

The cheapest prices found with in the last 7 days for return flights were $182 and $91 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 10 - Wed, Feb 18
STL
Lambert-St. Louis Intl.
EWR
Newark Liberty Intl. Airport
$182 Roundtrip, just found
$182
Roundtrip
just found
Select United flight, departing Tue, Feb 10 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Wed, Feb 18, priced at $182 just found
Tue, Feb 10 - Wed, Feb 18
STL
Lambert-St. Louis Intl.
EWR
Newark Liberty Intl. Airport
$192 Roundtrip, just found
$192
Roundtrip
just found
Select United flight, departing Tue, Feb 10 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Wed, Feb 18, priced at $192 just found
Tue, Feb 10 - Wed, Feb 18
STL
Lambert-St. Louis Intl.
EWR
Newark Liberty Intl. Airport
$203 Roundtrip, just found
$203
Roundtrip
just found
Select United flight, departing Tue, Feb 10 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Wed, Feb 18, priced at $203 just found
Tue, Feb 10 - Wed, Feb 18
STL
Lambert-St. Louis Intl.
EWR
Newark Liberty Intl. Airport
$208 Roundtrip, just found
$208
Roundtrip
just found
Select United flight, departing Tue, Feb 10 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Wed, Feb 18, priced at $208 just found
Mon, Feb 23 - Thu, Feb 26
STL
Lambert-St. Louis Intl.
EWR
Newark Liberty Intl. Airport
$211 Roundtrip, found 2 hours ago
$211
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Feb 23 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Thu, Feb 26, priced at $211 found 2 hours ago
Tue, Feb 10 - Wed, Feb 18
STL
Lambert-St. Louis Intl.
EWR
Newark Liberty Intl. Airport
$215 Roundtrip, just found
$215
Roundtrip
just found
Select United flight, departing Tue, Feb 10 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Wed, Feb 18, priced at $215 just found
Mon, Feb 23 - Thu, Feb 26
STL
Lambert-St. Louis Intl.
EWR
Newark Liberty Intl. Airport
$220 Roundtrip, found 2 hours ago
$220
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Feb 23 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Thu, Feb 26, priced at $220 found 2 hours ago
Tue, Feb 10 - Wed, Feb 18
STL
Lambert-St. Louis Intl.
EWR
Newark Liberty Intl. Airport
$225 Roundtrip, just found
$225
Roundtrip
just found
Select United flight, departing Tue, Feb 10 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Wed, Feb 18, priced at $225 just found
Mon, Feb 23 - Thu, Feb 26
STL
Lambert-St. Louis Intl.
EWR
Newark Liberty Intl. Airport
$234 Roundtrip, found 2 hours ago
$234
Roundtrip
found 2 hours ago
Select United flight, departing Mon, Feb 23 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Thu, Feb 26, priced at $234 found 2 hours ago
Sat, Feb 28 - Tue, Mar 3
STL
Lambert-St. Louis Intl.
EWR
Newark Liberty Intl. Airport
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select United flight, departing Sat, Feb 28 from Lambert-St. Louis Intl. to Newark Liberty Intl. Airport, returning Tue, Mar 3, priced at $241 found 1 day ago

Frequently asked questions

What route does flight number UA3409 take?
UA3409 takes approximately 1 hour and 20 minutes to jet straight from John Glenn Columbus Intl. Airport (CMH) to O'Hare Intl. Airport (ORD). We all know there's magic in the destination, but half the fun is in the journey!
What kind of plane is on flight number UA3409?
There's a strong chance you'll find yourself stepping on board the Embraer 170 if you've reserved a seat on flight UA3409. This flight nearly always sets off from Columbus, OH Airport (CMH-John Glenn Columbus Intl.) and touches down at O'Hare Airport.
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 UA3409 flight with Travelocity, please visit our Customer Service Portal.