$126+ Cheap flights from Newburgh, NY to St. Louis (STL)
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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Newburgh to St. Louis 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 Newburgh to St. Louis
Keep the following information in mind while searching for Newburgh to St. Louis flight deals. Data was last updated January 15, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $435 (Kiwi.com) |
One-way from | $126 (Kiwi.com) |
Popular in | November |
Cheapest in | March |
Average price | $331 |
Find flight deals from Newburgh to St. Louis
Cheapest flights from Newburgh to St. LouisExplore the most affordable flight options available from Newburgh to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.
Explore the most affordable flight options available from Newburgh to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Newburgh to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
New WindsorSt. Louis
SWF - STL
SWFSTL
New Windsor Stewart
Sat 2/14
1:29 pm-11:59 pm
1 stop11h 30m
Lambert-St Louis
Sun 2/15
3:49 pm-10:14 am
1 stop17h 25m
New WindsorSt. Louis
SWF - STL
SWFSTL
New Windsor Stewart
Thu 3/19
11:48 am-7:22 am
1 stop20h 34m
Lambert-St Louis
Sun 3/22
4:51 pm-8:57 am
1 stop15h 06m
New WindsorSt. Louis
SWF - STL
SWFSTL
New Windsor Stewart
Fri 2/13
11:04 am-12:27 am
1 stop14h 23m
Lambert-St Louis
Sun 2/15
3:49 pm-10:14 am
1 stop17h 25m
New WindsorSt. Louis
SWF - STL
SWFSTL
New Windsor Stewart
Thu 3/19
11:48 am-11:19 pm
1 stop12h 31m
Lambert-St Louis
Sat 3/21
8:53 pm-11:08 am
1 stop13h 15m
New WindsorSt. Louis
SWF - STL
SWFSTL
New Windsor Stewart
Fri 2/6
12:11 pm-11:33 pm
2 stops12h 22m
New WindsorSt. Louis
SWF - STL
SWFSTL
New Windsor Stewart
Thu 2/26
11:48 am-11:59 pm
1 stop13h 11m
New WindsorSt. Louis
SWF - STL
SWFSTL
New Windsor Stewart
Sun 2/8
11:48 am-11:33 pm
1 stop12h 45m
New WindsorSt. Louis
SWF - STL
SWFSTL
New Windsor Stewart
Mon 3/2
12:11 pm-11:59 pm
2 stops12h 48m
New WindsorSt. Louis
SWF - STL
SWFSTL
New Windsor Stewart
Sun 1/25
12:13 pm-12:50 pm
2 stops25h 37m
New WindsorSt. Louis
SWF - STL
SWFSTL
New Windsor Stewart
Fri 1/30
12:11 pm-11:33 pm
2 stops12h 22m
Best time to book a flight from Newburgh to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Newburgh with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Newburgh to St. Louis
What is the cheapest month to book a flight from Newburgh to St. Louis?
Currently, March is the cheapest month in which you can book a flight from Newburgh to St. Louis (average of $59). Flying from Newburgh to St. Louis in December is currently the most expensive (average of $257). 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.
What is the cheapest time of day to fly from N3W to STL?
Find hourly flight availability from Newburgh to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 15, 2026.
It’s typically best to fly out from Newburgh to St. Louis in the afternoon. Doing so could potentially save you 3% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Newburgh to St. Louis?
Use this chart to determine the cheapest time to fly round-trip from Newburgh to St. Louis. Price data was last updated on January 10, 2026.
Travelers seeking maximum savings on their Newburgh to St. Louis flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Newburgh to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
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Alternative routes for Newburgh to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Newburgh to St. Louis
Discover the top 6 airlines that operate flights from Newburgh to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$176 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$152 | Average$239 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$163 | Average$345 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$356 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$327 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$245 | Average$401 | FlexibilityNo cancel fee | On-time69% |