$112+ Cheap flights from St. Louis to New Windsor (STL - SWF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to Stewart with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Stewart
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Stewart (SWF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.
Round-trip from | $228 (Kiwi.com) |
|---|---|
One-way from | $112 (Kiwi.com) |
Popular in | November |
Cheapest in | April |
Average price | $328 |
Find flight deals from St. Louis to Stewart
Cheapest flights from St. Louis to StewartExplore the most affordable flight options available from St. Louis to Stewart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.
Explore the most affordable flight options available from St. Louis to Stewart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Use the filters below to find and compare flights from St. Louis to New Windsor that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisNew Windsor
STL - SWF
STLSWF
Lambert-St Louis
Sun 10/5
10:57 am-10:11 am
1 stop22h 14m
New Windsor Stewart
Fri 10/17
11:31 am-5:45 pm
1 stop31h 14m
St. LouisNew Windsor
STL - SWF
STLSWF
Lambert-St Louis
Thu 10/16
10:54 am-10:41 am
1 stop22h 47m
St. LouisNew Windsor
STL - SWF
STLSWF
Lambert-St Louis
Thu 10/23
10:57 am-10:41 am
1 stop22h 44m
St. LouisNew Windsor
STL - SWF
STLSWF
Lambert-St Louis
Sun 10/12
10:54 am-10:11 am
1 stop22h 17m
St. LouisNew Windsor
STL - SWF
STLSWF
Lambert-St Louis
Sun 11/2
10:57 am-11:11 am
1 stop23h 14m
St. LouisNew Windsor
STL - SWF
STLSWF
Lambert-St Louis
Sun 8/24
10:37 am-4:46 pm
1 stop29h 09m
St. LouisNew Windsor
STL - SWF
STLSWF
Lambert-St Louis
Sat 10/18
7:00 pm-6:21 pm
2 stops22h 21m
Best time to book a flight from St. Louis to Stewart
Have a flexible travel schedule? Discover the best time to fly to Stewart from St. Louis with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to New Windsor
What is the cheapest month to book a flight from St. Louis to New Windsor?
Currently, October is the cheapest month in which you can book a flight from St. Louis to New Windsor (average of $109). Flying from St. Louis to New Windsor in December is currently the most expensive (average of $202). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.