How long is the flight from St. Louis to White Plains?

For as low as $261, Delta can have you in White Plains from St. Louis in 7h 39m. St. Louis and White Plains are separated by a distance of 895 mi.

What are the cheapest airlines flying from St. Louis to White Plains round-trip?

Cheapflights users have booked flights from St. Louis to White Plains round-trip from $240. Another airline that can offer you cheap pricing is Delta. American Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from St. Louis to White Plains?

Travelers seeking maximum savings on their St. Louis to White Plains flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from St. Louis to White Plains?

Users have found that flying from St. Louis to White Plains on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from St. Louis to White Plains?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 45 days in advance, which can save you up to 60% on flights from St. Louis to White Plains compared to booking the week you need them. Waiting 45 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $341. For sooner than that we have options available in the next 3 days from $348.

What is the cheapest month to fly from St. Louis to White Plains?

Flights from St. Louis to White Plains lean towards being more expensive in November. Prices are generally better when you fly from St. Louis to White Plains in April, with the cheapest ticket starting at $89.

What is the cheapest time of day to fly from STL to HPN?

One of the essential ways to save on airfare from St. Louis to White Plains is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 8% on airfare.

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

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

How can I find direct flights from St. Louis to White Plains?

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

Can I find deals for business class flights from St. Louis to White Plains?

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

$159+ Cheap Flights from St. Louis to White Plains

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Cheap flight deals from St. Louis to White Plains

Round-trip from	$261 (Delta)
One-way from	$159 (Delta)
Popular in	December
Cheapest in	April
Average price	$314

From Lambert-St Louis to White Plains Westchester County

Search Deals

One-way flight from Lambert-St Louis to White Plains Westchester County

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($97 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($21 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from St. Louis to White Plains

Cheapest flights from St. Louis to White Plains
Explore the most affordable flight options available from St. Louis to White Plains. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Tue 11/43:59 pmSTL - HPN

1 stop5h 10mDelta

Sat 11/86:00 amHPN - STL

1 stop7h 35mDelta

Deal found 8/17

$261

Fri 10/36:00 pmSTL - HPN

1 stop4h 26mAmerican Airlines

Sun 10/56:00 amHPN - STL

1 stop4h 26mAmerican Airlines

Deal found 8/17

$313

Sat 9/135:25 pmSTL - HPN

1 stop4h 34mAmerican Airlines

Sun 10/56:00 amHPN - STL

1 stop4h 26mAmerican Airlines

Deal found 8/17

$314

Tue 9/25:52 pmSTL - HPN

1 stop4h 33mAmerican Airlines

Sat 9/612:00 pmHPN - STL

1 stop4h 52mAmerican Airlines

Deal found 8/18

$315

Thu 9/186:40 amSTL - HPN

1 stop4h 19mDelta

Sun 9/216:00 amHPN - STL

1 stop4h 59mDelta

Deal found 8/18

$350

Thu 8/219:17 amSTL - HPN

1 stop6h 17mDelta

Wed 9/310:26 amHPN - STL

1 stop6h 40mDelta

Deal found 8/17

$353

Mon 9/15:52 pmSTL - HPN

1 stop4h 33mAmerican Airlines

Fri 9/56:30 amHPN - STL

1 stop7h 21mAmerican Airlines

Deal found 8/17

$417

Best flights from St. Louis to White Plains
Discover carefully curated flight deals from St. Louis to White Plains that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Tue 11/41:30 pmSTL - HPN

1 stop7h 39mDelta

Sat 11/812:45 pmHPN - STL

1 stop6h 17mDelta

Deal found 8/15

$261

Fri 10/31:21 pmSTL - HPN

1 stop3h 59mAmerican Airlines

Sun 10/56:00 amHPN - STL

1 stop4h 26mAmerican Airlines

Deal found 8/16

$313

Wed 9/1710:40 amSTL - HPN

1 stop4h 09mDelta

Wed 9/246:00 amHPN - STL

1 stop4h 59mDelta

Deal found 8/18

$261

Sat 9/135:25 pmSTL - HPN

1 stop4h 34mAmerican Airlines

Sun 10/56:00 amHPN - STL

1 stop4h 26mAmerican Airlines

Deal found 8/17

$314

Thu 1/156:45 amSTL - HPN

1 stop4h 05mDelta

Sun 1/186:40 pmHPN - STL

1 stop6h 00mDelta

Deal found 8/18

$313

Tue 9/25:52 pmSTL - HPN

1 stop4h 33mAmerican Airlines

Sat 9/612:00 pmHPN - STL

1 stop4h 52mAmerican Airlines

Deal found 8/18

$315

Fri 12/511:51 amSTL - HPN

1 stop5h 16mDelta

Sun 12/76:00 amHPN - STL

1 stop7h 57mDelta

Deal found 8/18

$335

Last-minute flights from St. Louis to White Plains
Discover last-minute flight deals from St. Louis to White Plains. Data last updated August 18, 2025 and is based on user searches.

Thu 8/219:17 amSTL - HPN

1 stop6h 17mDelta

Tue 9/24:29 pmHPN - STL

1 stop6h 33mDelta

Deal found 8/17

$353

Thu 8/216:00 amSTL - HPN

1 stop4h 28mAmerican Airlines

Tue 9/23:09 pmHPN - STL

2 stops8h 08mAmerican Airlines

Deal found 8/17

$703

Fri 8/2210:45 amSTL - HPN

1 stop4h 04mDelta

Sun 8/246:00 amHPN - STL

1 stop4h 57mDelta

Deal found 8/17

$817

Mon 9/15:52 pmSTL - HPN

1 stop4h 33mAmerican Airlines

Fri 9/56:30 amHPN - STL

1 stop7h 21mAmerican Airlines

Deal found 8/17

$417

Tue 9/25:52 pmSTL - HPN

1 stop4h 33mAmerican Airlines

Sat 9/612:00 pmHPN - STL

1 stop4h 52mAmerican Airlines

Deal found 8/18

$315

Sat 9/66:00 amSTL - HPN

1 stop5h 00mDelta

Sun 9/76:00 amHPN - STL

1 stop7h 31mDelta

Deal found 8/16

$351

Sat 9/135:25 pmSTL - HPN

1 stop4h 34mAmerican Airlines

Sun 10/56:00 amHPN - STL

1 stop4h 26mAmerican Airlines

Deal found 8/17

$314

Wed 9/1710:40 amSTL - HPN

1 stop4h 09mDelta

Wed 9/246:00 amHPN - STL

1 stop4h 59mDelta

Deal found 8/18

$261

Thu 9/186:40 amSTL - HPN

1 stop4h 19mDelta

Sun 9/216:00 amHPN - STL

1 stop4h 59mDelta

Deal found 8/18

$350

One-way flights from St. Louis to White Plains
Search for one-way flight options from St. Louis to White Plains. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Tue 10/1410:45 amSTL - HPN

1 stop4h 04mDelta

Deal found 8/16

$159

Fri 9/126:00 pmSTL - HPN

1 stop4h 26mAmerican Airlines

Deal found 8/17

$179

Sun 10/125:30 amSTL - HPN

1 stop6h 35mAmerican Airlines

Deal found 8/16

$194

Sun 8/246:40 amSTL - HPN

1 stop4h 17mDelta

Deal found 8/18

$243

Mon 9/17:00 amSTL - HPN

1 stop6h 29mDelta

Deal found 8/18

$350

Sat 10/186:33 amSTL - HPN

2 stops27h 56mAlaska Airlines

Deal found 8/17

$393

Fri 9/126:30 pmSTL - HPN

2 stops15h 59mAlaska Airlines

Deal found 8/17

$418

Fri 9/121:57 pmSTL - HPN

3 stops49h 54mMultiple Airlines

Deal found 8/17

$456

Tue 10/147:00 amSTL - HPN

2 stops8h 59mAmerican Airlines

Deal found 8/16

$462

Fri 11/214:15 pmSTL - HPN

2 stops18h 13mAlaska Airlines

Deal found 8/18

$503

Sat 8/233:02 pmSTL - HPN

3 stops48h 49mMultiple Airlines

Deal found 8/16

$517

Cheapflights Fare Finder

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

1:30 pm-10:09 pm

1 stop7h 39m

White Plains Westchester County

Sat 11/8

12:45 pm-6:02 pm

1 stop6h 17m

$261

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Wed 9/17

10:40 am-3:49 pm

1 stop4h 09m

White Plains Westchester County

Wed 9/24

6:00 am-9:59 am

1 stop4h 59m

$261

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Fri 10/3

1:21 pm-6:20 pm

1 stop3h 59m

White Plains Westchester County

Sun 10/5

6:00 am-9:26 am

1 stop4h 26m

$313

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Thu 1/15

6:45 am-11:50 am

1 stop4h 05m

White Plains Westchester County

Sun 1/18

6:40 pm-11:40 pm

1 stop6h 00m

$313

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Sat 9/13

5:25 pm-10:59 pm

1 stop4h 34m

White Plains Westchester County

Sun 10/5

6:00 am-9:26 am

1 stop4h 26m

$314

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 9/2

5:52 pm-11:25 pm

1 stop4h 33m

White Plains Westchester County

Sat 9/6

12:00 pm-3:52 pm

1 stop4h 52m

$315

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Fri 12/5

11:51 am-6:07 pm

1 stop5h 16m

White Plains Westchester County

Sun 12/7

6:00 am-12:57 pm

1 stop7h 57m

$335

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Thu 1/22

10:45 am-4:35 pm

1 stop4h 50m

$159

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Sat 10/18

2:15 pm-10:52 pm

1 stop7h 37m

$159

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 10/14

10:45 am-3:49 pm

1 stop4h 04m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 17 results

Best time to book a flight from St. Louis to White Plains

Have a flexible travel schedule? Discover the best time to fly to White Plains from St. Louis 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 St. Louis to White Plains

What is the cheapest month to book a flight from St. Louis to White Plains?

Currently, January is the cheapest month in which you can book a flight from St. Louis to White Plains (average of $276). Flying from St. Louis to White Plains in March is currently the most expensive (average of $339). 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.

Reviews of airlines servicing White Plains

Get a feel of what it's like to fly with Delta and American Airlines from St. Louis to White Plains by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Delta

8.0

Very good

7,981 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

How long is the flight from St. Louis to White Plains?
For as low as $261, Delta can have you in White Plains from St. Louis in 7h 39m. St. Louis and White Plains are separated by a distance of 895 mi.
What are the cheapest airlines flying from St. Louis to White Plains round-trip?
Cheapflights users have booked flights from St. Louis to White Plains round-trip from $240. Another airline that can offer you cheap pricing is Delta. American Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from St. Louis to White Plains that include hotel bookings?
Yes. In addition to deals on St. Louis to White Plains flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to White Plains?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to White Plains.
Can I find deals for business class flights from St. Louis to White Plains?
Yes. Cheapflights offers flight deals from St. Louis to White Plains 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 St. Louis to White Plains?
Currently, January is the cheapest month in which you can book a flight from St. Louis to White Plains (average of $276). Flying from St. Louis to White Plains in March is currently the most expensive (average of $339). 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

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from St. Louis to White Plains

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$240	Average$376	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$256	Average$342	FlexibilityNo cancel fee	On-timeN/A

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$159+ Cheap flights from St. Louis to White Plains (STL - HPN)

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to White Plains with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to White Plains

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to White Plains

Cheapest flights from St. Louis to White PlainsExplore the most affordable flight options available from St. Louis to White Plains. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Explore the most affordable flight options available from St. Louis to White Plains. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to White Plains that are best for you.

Best time to book a flight from St. Louis to White Plains

Have a flexible travel schedule? Discover the best time to fly to White Plains from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to White Plains

What is the cheapest month to book a flight from St. Louis to White Plains?

Reviews of airlines servicing White Plains

Get a feel of what it's like to fly with Delta and American Airlines from St. Louis to White Plains by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to White Plains. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from St. Louis to White Plains?

What are the cheapest airlines flying from St. Louis to White Plains round-trip?

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

How can I find direct flights from St. Louis to White Plains?

Can I find deals for business class flights from St. Louis to White Plains?

What is the cheapest month to book a flight from St. Louis to White Plains?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to White Plains

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to White Plains

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Book with Flexibility

Travel Smart

Cheapest flights from St. Louis to White Plains
Explore the most affordable flight options available from St. Louis to White Plains. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.