$58 Cheap flight deals from Newark (NYC) to O'Fallon (STL)
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This Weekend's Flight Deals from Newark to O'Fallon
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$440 Roundtrip, found 1 day ago
$440
Roundtrip
found 1 day ago
HPN
Westchester County
STL
Lambert-St. Louis Intl.
$475 Roundtrip, found 1 day ago
$475
Roundtrip
found 1 day ago
JFK
John F. Kennedy Intl.
STL
Lambert-St. Louis Intl.
$513 Roundtrip, found 1 day ago
$513
Roundtrip
found 1 day ago
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$528 Roundtrip, found 2 days ago
$528
Roundtrip
found 2 days ago
Airfares from $58 One Way, $187 Round Trip from Newark to O'Fallon
Prices starting at $187 for return flights and $58 for one-way flights to O'Fallon were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
LGA
New York
STL
St. Louis
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
LGA
New York
STL
St. Louis
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
EWR
New York
STL
St. Louis
$221 Roundtrip, found 23 hours ago
$221
Roundtrip
found 23 hours ago
EWR
New York
STL
St. Louis
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
EWR
New York
STL
St. Louis
$293 Roundtrip, found 20 hours ago
$293
Roundtrip
found 20 hours ago
O'Fallon economy flight packages
Price found within the past 48 hours. Click for updated prices.
3.5-star property
Hermann Crown Suites
9.4/10 Exceptional! (841 reviews)
Nov 12 - Nov 14
2 night stay
Newark Liberty Intl. Airport (EWR) to St. Louis (STL)
United • Roundtrip • Coach
Price was $518, price is now $473 per person
$473
per person
found 1 day ago
Very comfortable and clean. Staff was wonderful, bar was fun. Highly recommend!
Reviewed on Sep 25, 2026
More About Flying To O'Fallon from Newark
Route Information for Flights from Newark to O'Fallon
Origin Airport IATA Code | NYC |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
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