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Cheap flights from St. Louis to New York from $149

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 9/29. 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
0 bags

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Find the cheapest flights from St. Louis to New York

Cheap round-trip flights

Delta Logo
6:00 am - 11:59 amSTL-HPN
4h 59m1 stop
Delta Logo
6:00 am - 12:35 pmHPN-STL
7h 35m1 stop
$261Delta
Find Deal
Tue, Nov 4 - Sat, Nov 8
Delta Logo
3:59 pm - 10:09 pmSTL-HPN
5h 10m1 stop
Delta Logo
12:44 pm - 6:02 pmHPN-STL
6h 18m1 stop
$297Delta
Find Deal
Mon, Oct 27 - Wed, Oct 29
Delta Logo
3:59 pm - 10:09 pmSTL-HPN
5h 10m1 stop
Delta Logo
6:00 am - 4:32 pmHPN-STL
11h 32m2 stops
$342Delta
Find Deal
Tue, Nov 4 - Sat, Nov 8
Delta Logo
3:40 pm - 10:23 pmSTL-HPN
5h 43m1 stop
Delta Logo
3:09 pm - 10:02 pmHPN-STL
7h 53m1 stop
$357Delta
Find Deal
Mon, Aug 18 - Mon, Aug 25
Delta Logo
1:30 pm - 10:09 pmSTL-HPN
7h 39m1 stop
Delta Logo
6:00 am - 4:32 pmHPN-STL
11h 32m2 stops
$358Delta
Find Deal
Tue, Nov 4 - Sat, Nov 8
Delta Logo
6:01 am - 11:59 amSTL-HPN
4h 58m1 stop
Delta Logo
6:00 am - 9:59 amHPN-STL
4h 59m1 stop
$380Delta
Find Deal
Thu, Sep 18 - Sun, Sep 21
American Airlines Logo
6:00 am - 11:28 amSTL-HPN
4h 28m1 stop
American Airlines Logo
6:30 am - 9:40 amHPN-STL
4h 10m1 stop
$417American Airlines
Find Deal
Mon, Aug 18 - Fri, Aug 22
Delta Logo
6:40 am - 12:01 pmSTL-HPN
4h 21m1 stop
Delta Logo
5:20 pm - 9:50 pmHPN-STL
5h 30m1 stop
$607Delta
Find Deal
Sat, Sep 27 - Sat, Sep 27
American Airlines Logo
6:00 am - 2:39 pmSTL-HPN
7h 39m2 stops
American Airlines Logo
6:54 pm - 11:05 pmHPN-STL
5h 11m1 stop
$698American Airlines
Find Deal
Mon, Aug 18 - Mon, Aug 25
Delta Logo
6:40 am - 12:01 pmSTL-HPN
4h 21m1 stop
Delta Logo
6:00 am - 9:59 amHPN-STL
4h 59m1 stop
$728Delta
Find Deal
Thu, Sep 18 - Sun, Sep 21

Delta flights from St. Louis to White Plains

Our best Delta deals on St. Louis to White Plains flight tickets
Delta
Nov 4
STL6:00 amLambert-St Louis
4h 59m
1 stop
HPN11:59 amWhite Plains Westchester County
Nov 8
HPN6:00 amWhite Plains Westchester County
7h 35m
1 stop
STL12:35 pmLambert-St Louis
$261
Find similar
Delta
Oct 27
STL3:59 pmLambert-St Louis
5h 10m
1 stop
HPN10:09 pmWhite Plains Westchester County
Oct 29
HPN12:44 pmWhite Plains Westchester County
6h 18m
1 stop
STL6:02 pmLambert-St Louis
$297
Find similar
Delta
Nov 4
STL3:59 pmLambert-St Louis
5h 10m
1 stop
HPN10:09 pmWhite Plains Westchester County
Nov 8
HPN6:00 amWhite Plains Westchester County
11h 32m
2 stops
STL4:32 pmLambert-St Louis
$342
Find similar

American Airlines flights from St. Louis to White Plains

Our best American Airlines deals on St. Louis to White Plains flight tickets
American Airlines
Aug 18
STL6:00 amLambert-St Louis
4h 28m
1 stop
HPN11:28 amWhite Plains Westchester County
Aug 22
HPN6:30 amWhite Plains Westchester County
4h 10m
1 stop
STL9:40 amLambert-St Louis
$417
Find similar
American Airlines
Aug 18
STL6:00 amLambert-St Louis
7h 39m
2 stops
HPN2:39 pmWhite Plains Westchester County
Aug 25
HPN6:54 pmWhite Plains Westchester County
5h 11m
1 stop
STL11:05 pmLambert-St Louis
$698
Find similar
American Airlines
Sep 27
STL6:29 amLambert-St Louis
8h 30m
2 stops
HPN3:59 pmWhite Plains Westchester County
Sep 27
HPN6:50 pmWhite Plains Westchester County
5h 17m
1 stop
STL11:07 pmLambert-St Louis
$1,234
Find similar

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 August 3, 2025.
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

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 11/4

6:00 am-11:59 am

1 stop4h 59m

White Plains Westchester County

Sat 11/8

6:00 am-12:35 pm

1 stop7h 35m

$261

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Mon 10/27

3:59 pm-10:09 pm

1 stop5h 10m

White Plains Westchester County

Wed 10/29

12:44 pm-6:02 pm

1 stop6h 18m

$297

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 11/4

3:59 pm-10:09 pm

1 stop5h 10m

White Plains Westchester County

Sat 11/8

6:00 am-4:32 pm

2 stops11h 32m

$342

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Mon 8/18

3:40 pm-10:23 pm

1 stop5h 43m

White Plains Westchester County

Mon 8/25

3:09 pm-10:02 pm

1 stop7h 53m

$357

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 11/4

1:30 pm-10:09 pm

1 stop7h 39m

White Plains Westchester County

Sat 11/8

6:00 am-4:32 pm

2 stops11h 32m

$358

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Thu 9/18

6:01 am-11:59 am

1 stop4h 58m

White Plains Westchester County

Sun 9/21

6:00 am-9:59 am

1 stop4h 59m

$380

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Mon 8/18

6:00 am-11:28 am

1 stop4h 28m

White Plains Westchester County

Fri 8/22

6:30 am-9:40 am

1 stop4h 10m

$417

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Sat 9/27

6:40 am-12:01 pm

1 stop4h 21m

White Plains Westchester County

Sat 9/27

5:20 pm-9:50 pm

1 stop5h 30m

$607

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Mon 8/18

6:00 am-2:39 pm

2 stops7h 39m

White Plains Westchester County

Mon 8/25

6:54 pm-11:05 pm

1 stop5h 11m

$698

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Thu 9/18

6:40 am-12:01 pm

1 stop4h 21m

White Plains Westchester County

Sun 9/21

6:00 am-9:59 am

1 stop4h 59m

$728

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 day to depart on your flight to White Plains?

According to our data, Wednesday is the cheapest day to fly to White Plains from St. Louis. The lowest ticket price found for a Wednesday departure recently was $290. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $468. These prices are subject to change though, so be sure to set up a Price Alert for flights to White Plains.

What is the cheapest time of day to depart on your flight to White Plains?

The cheapest time of day to fly to White Plains is in the afternoon when flights can be purchased for as low as $351. In the morning is when there is more demand to fly to White Plains, so prices are often more expensive at around $381 per ticket.

How have St. Louis to White Plains flight prices changed over time?

As of August 2025, prices for St. Louis to White Plains flights are approximately 78% more expensive when compared to flights at the same time last year.

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

Best Price Found

$149

Fastest flight time

4h 21m

Direct flights

None

Airports in White Plains

1 airport
The best one-way flight to White Plains from St. Louis in the past 72 hours is $149. The best round-trip flight deal from St. Louis to White Plains found on momondo in the last 72 hours is $261.
The fastest flight from St. Louis to White Plains takes 4h 21m
There are no direct flights from St. Louis to White Plains. Popular non-direct route for this connection is Lambert-St Louis Airport - White Plains Westchester County Airport.
There is 1 airport near White Plains: White Plains Westchester County (HPN)
Search flight deals

  • 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 21m 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 $240Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,985 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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