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St. Louis

$139+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — STL
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap flight deals from Newburgh to St. Louis

Cheapest flights from Newburgh to St. Louis
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 March 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Mon 5/1811:45 am
SWF
-
STL
1 stop13h 36m
Multiple Airlines
Wed 5/205:27 pm
STL
-
SWF
2 stops15h 11m
Multiple Airlines
Deal found 3/19$294
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Fri 5/299:41 am
SWF
-
STL
1 stop15h 40m
Multiple Airlines
Sun 5/313:33 pm
STL
-
SWF
2 stops16h 18m
Multiple Airlines
Deal found 3/22$401
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Mon 6/19:41 am
SWF
-
STL
2 stops30h 07m
Multiple Airlines
Thu 6/44:19 pm
STL
-
SWF
1 stop15h 30m
Multiple Airlines
Deal found 3/19$405
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Fri 5/811:45 am
SWF
-
STL
1 stop13h 36m
Multiple Airlines
Sun 5/104:19 pm
STL
-
SWF
1 stop17h 36m
Multiple Airlines
Deal found 3/19$407
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Fri 6/129:39 am
SWF
-
STL
1 stop15h 35m
Multiple Airlines
Sun 6/143:33 pm
STL
-
SWF
2 stops16h 16m
Multiple Airlines
Deal found 3/23$433
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/2011:45 am
SWF
-
STL
1 stop12h 34m
Multiple Airlines
Sat 4/254:59 pm
STL
-
SWF
2 stops16h 56m
Multiple Airlines
Deal found 3/23$447
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 6/159:39 am
SWF
-
STL
1 stop15h 35m
Multiple Airlines
Wed 6/174:10 pm
STL
-
SWF
1 stop15h 48m
Multiple Airlines
Deal found 3/23$475
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Fri 4/1711:45 am
SWF
-
STL
1 stop12h 34m
Multiple Airlines
Sun 4/1911:16 am
STL
-
SWF
2 stops22h 39m
Multiple Airlines
Deal found 3/22$476

Find 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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$294
(Kiwi.com)

One-way from

$139
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$361
Provider with most accurate pricing for New York (NYC)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Lambert-St Louis flights.
Search Deals
From Newburgh to Lambert-St Louis
Search Deals
One-way flight from Newburgh to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newburgh to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
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

Cheapest round-trip

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

Fri 5/8

11:45 am-12:21 am

1 stop13h 36m

Lambert-St Louis

Sun 5/10

4:19 pm-10:55 am

1 stop17h 36m

$407

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

Fri 6/12

9:39 am-12:14 am

1 stop15h 35m

Lambert-St Louis

Sun 6/14

3:33 pm-8:49 am

2 stops16h 16m

$433

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

Mon 6/15

9:39 am-12:14 am

1 stop15h 35m

Lambert-St Louis

Wed 6/17

4:10 pm-8:58 am

1 stop15h 48m

$475
Quickest round-trip

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

Mon 4/20

11:45 am-11:19 pm

1 stop12h 34m

Lambert-St Louis

Sat 4/25

8:17 pm-11:08 am

2 stops13h 51m

$476

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

Fri 4/17

11:45 am-11:19 pm

1 stop12h 34m

Lambert-St Louis

Sun 4/19

11:16 am-10:55 am

2 stops22h 39m

$477

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

Mon 4/6

11:40 am-10:30 am

2 stops23h 50m

Lambert-St Louis

Wed 4/8

4:59 pm-11:08 am

1 stop17h 09m

$483

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

Thu 5/21

9:38 am-12:21 am

1 stop15h 43m

Lambert-St Louis

Fri 5/29

4:19 pm-11:25 am

2 stops18h 06m

$552
Cheapest one-way

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

Thu 5/7

11:45 am-8:55 am

2 stops22h 10m

$139

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

Fri 6/5

9:39 am-12:21 am

1 stop15h 42m

$184

New WindsorSt. Louis

SWF - STL

SWFSTL

New Windsor Stewart

Fri 4/17

11:45 am-6:50 am

2 stops20h 05m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 $109). Flying from Newburgh to St. Louis in January 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 March 24, 2026.

It’s typically best to fly out from Newburgh to St. Louis in the evening. Doing so could potentially save you 5% on the flight price compared to flying in the afternoon, 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 March 14, 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 afternoons 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.

  • What airport do you fly into for flights to St. Louis from Newburgh?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Newburgh to St. Louis. You should not have trouble finding flights to Lambert-St Louis from Newburgh; the airport handles an average of 0 inbound flights from Newburgh per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the St. Louis airport from Newburgh. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • What are the cheapest flights from Newburgh to St. Louis?

    Looking for the cheapest flight from Newburgh to St. Louis? While on average our users pay $280, our data indicates the cheapest price to be $148. The most popular route (New Windsor Stewart - Lambert-St Louis), is priced around $401.

  • Can I find deals for flights from Newburgh to St. Louis that include hotel bookings?

    Yes. In addition to deals on Newburgh to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newburgh to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newburgh to St. Louis.

  • Can I find deals for business class flights from Newburgh to St. Louis?

    Yes. Cheapflights offers flight deals from Newburgh to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $109). Flying from Newburgh to St. Louis in January 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Newburgh to St. Louis

Discover the top 4 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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$168Average$343FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$207Average$354FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$221Average$369FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$419FlexibilityNo cancel feeOn-time69%

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