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Cheap flights from St. Louis to New York from $140

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to New York departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:33 am - 3:48 pm
STL
-
HPN
4h 15m
1 stop
Delta Logo
12:36 pm - 5:14 pm
HPN
-
STL
5h 38m
1 stop
$301Delta
Tue, Aug 11 - Sat, Aug 15
Delta Logo
6:30 am - 11:56 am
STL
-
HPN
4h 26m
1 stop
Delta Logo
10:29 am - 4:17 pm
HPN
-
STL
6h 48m
1 stop
$326Delta
Sat, Aug 22 - Thu, Aug 27
Delta Logo
6:30 am - 11:56 am
STL
-
HPN
4h 26m
1 stop
Delta Logo
6:49 pm - 11:53 pm
HPN
-
STL
6h 04m
1 stop
$337Delta
Wed, Jul 15 - Tue, Jul 28
Delta Logo
3:39 pm - 10:21 pm
STL
-
HPN
5h 42m
1 stop
Delta Logo
6:00 am - 9:39 am
HPN
-
STL
4h 39m
1 stop
$351Delta
Thu, Aug 13 - Sun, Aug 16
Delta Logo
1:20 pm - 10:16 pm
STL
-
HPN
7h 56m
1 stop
Delta Logo
4:29 pm - 11:20 pm
HPN
-
STL
7h 51m
1 stop
$354Delta
Sat, Jul 4 - Sat, Jul 11
Delta Logo
7:05 am - 2:29 pm
STL
-
HPN
6h 24m
1 stop
Delta Logo
6:00 am - 10:55 am
HPN
-
STL
5h 55m
1 stop
$360Delta
Tue, Sep 8 - Fri, Oct 2
Delta Logo
10:20 am - 3:49 pm
STL
-
HPN
4h 29m
1 stop
Delta Logo
6:49 pm - 11:53 pm
HPN
-
STL
6h 04m
1 stop
$366Delta
Sat, Jul 4 - Mon, Jul 13
Delta Logo
3:39 pm - 10:21 pm
STL
-
HPN
5h 42m
1 stop
Delta Logo
6:49 pm - 9:20 am
HPN
-
STL
15h 31m
1 stop
$372Delta
Tue, Aug 11 - Fri, Aug 14
Delta Logo
6:00 am - 12:03 pm
STL
-
HPN
5h 03m
1 stop
Delta Logo
10:29 am - 4:17 pm
HPN
-
STL
6h 48m
1 stop
$373Delta
Tue, Aug 4 - Wed, Aug 5
Delta Logo
6:00 am - 12:03 pm
STL
-
HPN
5h 03m
1 stop
Delta Logo
12:40 pm - 11:16 pm
HPN
-
STL
11h 36m
2 stops
$381Delta
Wed, Sep 9 - Wed, Sep 30

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Delta flights from St. Louis to White Plains

Our best Delta deals on St. Louis to White Plains flight tickets
Delta
Aug 11
STL10:33 amLambert-St Louis
4h 15m
1 stop
HPN3:48 pmWhite Plains Westchester County
Aug 15
HPN12:36 pmWhite Plains Westchester County
5h 38m
1 stop
STL5:14 pmLambert-St Louis
$301
Delta
Aug 22
STL6:30 amLambert-St Louis
4h 26m
1 stop
HPN11:56 amWhite Plains Westchester County
Aug 24
HPN5:17 pmWhite Plains Westchester County
4h 25m
1 stop
STL8:42 pmLambert-St Louis
$326
Delta
Jul 15
STL6:30 amLambert-St Louis
4h 26m
1 stop
HPN11:56 amWhite Plains Westchester County
Jul 28
HPN6:49 pmWhite Plains Westchester County
6h 04m
1 stop
STL11:53 pmLambert-St Louis
$337

American Airlines flights from St. Louis to White Plains

Our best American Airlines deals on St. Louis to White Plains flight tickets
American Airlines
Jul 16
STL6:43 amLambert-St Louis
6h 47m
1 stop
HPN2:30 pmWhite Plains Westchester County
Jul 20
HPN5:26 pmWhite Plains Westchester County
4h 55m
1 stop
STL9:21 pmLambert-St Louis
$391
American Airlines
Jul 10
STL10:31 amLambert-St Louis
6h 57m
1 stop
HPN6:28 pmWhite Plains Westchester County
Jul 14
HPN5:26 pmWhite Plains Westchester County
4h 55m
1 stop
STL9:21 pmLambert-St Louis
$422
American Airlines
Jul 16
STL6:43 amLambert-St Louis
6h 47m
1 stop
HPN2:30 pmWhite Plains Westchester County
Jul 20
HPN3:22 pmWhite Plains Westchester County
6h 59m
1 stop
STL9:21 pmLambert-St Louis
$431

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to White Plains 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, momondo users made 832,500 searches. Data last updated June 24, 2026.
Use the filters below to find and compare flights from St. Louis to White Plains that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 8/11

10:33 am-3:48 pm

1 stop4h 15m

White Plains Westchester County

Sat 8/15

12:36 pm-5:14 pm

1 stop5h 38m

$301

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Sat 8/22

6:30 am-11:56 am

1 stop4h 26m

White Plains Westchester County

Thu 8/27

10:29 am-4:17 pm

1 stop6h 48m

$326

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Wed 7/15

6:30 am-11:56 am

1 stop4h 26m

White Plains Westchester County

Tue 7/28

6:49 pm-11:53 pm

1 stop6h 04m

$337

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Thu 8/13

3:39 pm-10:21 pm

1 stop5h 42m

White Plains Westchester County

Sun 8/16

6:00 am-9:39 am

1 stop4h 39m

$351

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Sat 7/4

1:20 pm-10:16 pm

1 stop7h 56m

White Plains Westchester County

Sat 7/11

4:29 pm-11:20 pm

1 stop7h 51m

$354

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 9/8

7:05 am-2:29 pm

1 stop6h 24m

White Plains Westchester County

Fri 10/2

6:00 am-10:55 am

1 stop5h 55m

$360

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Sat 7/4

10:20 am-3:49 pm

1 stop4h 29m

White Plains Westchester County

Mon 7/13

6:49 pm-11:53 pm

1 stop6h 04m

$366

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 8/11

3:39 pm-10:21 pm

1 stop5h 42m

White Plains Westchester County

Fri 8/14

6:49 pm-9:20 am

1 stop15h 31m

$372

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 8/4

6:00 am-12:03 pm

1 stop5h 03m

White Plains Westchester County

Wed 8/5

10:29 am-4:17 pm

1 stop6h 48m

$373

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Wed 9/9

6:00 am-12:03 pm

1 stop5h 03m

White Plains Westchester County

Wed 9/30

12:40 pm-11:16 pm

2 stops11h 36m

$381

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from St. Louis to White Plains

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and White Plains?

What is the cheapest month to fly to White Plains?

If you are unable to visit White Plains during the month of January, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $216.

When to book flights from St. Louis to White Plains

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to White Plains according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to White Plains (STL to HPN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to White Plains

Fastest flight time

4h 16m

Direct flights

None
The fastest flight from St. Louis to White Plains takes 4h 16m
There are no direct flights from St. Louis to White Plains. There are no popular flight routes from St. Louis to White Plains.
Search flight deals

Frequently asked questions about flying from St. Louis to White Plains

  • How far is Lambert-St Louis to White Plains Westchester County by plane?

    There are 885.7 mi between Lambert-St Louis and White Plains Westchester County. 4h 16m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to White Plains Westchester County Airport?

    Prices for flights from Lambert-St Louis Airport to White Plains Westchester County Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to White Plains Westchester County Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to White Plains Westchester County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to White Plains Westchester County Airport.

  • What documentation or ID do you need to fly to White Plains Westchester County Airport?

    The necessary travel and health documents for your White Plains Westchester County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to White Plains?

Best airlines flying from St. Louis to White Plains

Compare and see reviews for airlines that fly from St. Louis to White Plains with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $279Free CancellationRating
7.1
11,751 reviews
Search American Airlines flights
DeltaPriceFrom $300Free CancellationRating
7.8
8,432 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to White Plains?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to White Plains. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to White Plains with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to White Plains flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to White Plains?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to White Plains from St. Louis.

I’m not ready to book a flight from St. Louis to White Plains right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to White Plains from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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