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 $261. Another airline that can offer you cheap pricing is American Airlines. Delta is 23% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from St. Louis to White Plains one-way?

One-way options have recently been found by users for as low as $151 on Delta. Other airlines that offer cheap prices include American Airlines from $349 and Alaska Airlines from $598 one-way.

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 71% 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 $370. For sooner than that we have options available in the next 3 days from $381.

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.

$151+ Flights from St. Louis to White Plains

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Round-trip from	$261 (Delta)
One-way from	$151 (Delta)
Popular in	December
Cheapest in	April
Average price	$389

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. 17% potential increase in price ($75 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 June 16, 2025.

Sat 8/163:36 pmSTL - HPN

1 stop5h 47mDelta

Sat 8/233:10 pmHPN - STL

1 stop4h 57mDelta

Deal found 6/15

$261

Sat 6/286:00 amSTL - HPN

1 stop4h 28mAmerican Airlines

Sat 7/56:51 pmHPN - STL

1 stop6h 08mAmerican Airlines

Deal found 6/14

$353

Mon 7/1410:47 amSTL - HPN

2 stops9h 12mMultiple Airlines

Sat 7/198:10 amHPN - STL

2 stops26h 42mMultiple Airlines

Deal found 6/13

$542

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 June 16, 2025.

Sat 8/163:36 pmSTL - HPN

1 stop5h 47mDelta

Sat 8/233:10 pmHPN - STL

1 stop4h 57mDelta

Deal found 6/15

$261

Sat 6/286:00 amSTL - HPN

1 stop4h 28mAmerican Airlines

Sat 7/56:51 pmHPN - STL

1 stop6h 08mAmerican Airlines

Deal found 6/14

$353

Mon 7/1410:47 amSTL - HPN

2 stops9h 12mMultiple Airlines

Sat 7/198:10 amHPN - STL

2 stops26h 42mMultiple Airlines

Deal found 6/13

$542

Last-minute flights from St. Louis to White Plains
Discover last-minute flight deals from St. Louis to White Plains. Data last updated June 16, 2025 and is based on user searches.

Sat 6/216:40 amSTL - HPN

1 stop4h 18mDelta

Mon 6/236:44 pmHPN - STL

1 stop6h 07mDelta

Deal found 6/14

$617

Sun 6/225:30 amSTL - HPN

1 stop6h 35mAmerican Airlines

Sat 6/286:00 amHPN - STL

1 stop7h 54mAmerican Airlines

Deal found 6/14

$541

Sun 6/226:36 pmSTL - HPN

2 stops25h 23mMultiple Airlines

Sat 6/2812:35 pmHPN - STL

3 stops29h 29mMultiple Airlines

Deal found 6/14

$978

Sat 6/286:00 amSTL - HPN

1 stop4h 28mAmerican Airlines

Sat 7/56:51 pmHPN - STL

1 stop6h 08mAmerican Airlines

Deal found 6/14

$353

Mon 7/1410:47 amSTL - HPN

2 stops9h 12mMultiple Airlines

Sat 7/198:10 amHPN - STL

2 stops26h 42mMultiple Airlines

Deal found 6/13

$542

Mon 7/213:41 pmSTL - HPN

1 stop5h 43mDelta

Fri 7/256:00 amHPN - STL

1 stop4h 41mDelta

Deal found 6/15

$347

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 June 16, 2025.

Fri 7/43:42 pmSTL - HPN

1 stop5h 43mDelta

Deal found 6/16

$151

Fri 7/2510:47 amSTL - HPN

2 stops9h 12mMultiple Airlines

Deal found 6/14

$247

Sun 6/225:30 amSTL - HPN

1 stop6h 35mAmerican Airlines

Deal found 6/13

$349

Fri 8/17:32 pmSTL - HPN

2 stops24h 58mAlaska Airlines

Deal found 6/16

$598

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

Sat 8/16

3:36 pm-10:23 pm

1 stop5h 47m

White Plains Westchester County

Sat 8/23

3:10 pm-7:07 pm

1 stop4h 57m

$261

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Sat 6/28

6:00 am-11:28 am

1 stop4h 28m

White Plains Westchester County

Sat 7/5

6:51 pm-11:59 pm

1 stop6h 08m

$353

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Mon 7/14

10:47 am-8:59 pm

2 stops9h 12m

White Plains Westchester County

Sat 7/19

8:10 am-9:52 am

2 stops26h 42m

$542

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Fri 7/4

3:42 pm-10:25 pm

1 stop5h 43m

$151

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Fri 7/25

10:47 am-8:59 pm

2 stops9h 12m

$247

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Sun 6/22

5:30 am-1:05 pm

1 stop6h 35m

$349

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Fri 8/1

7:32 pm-9:30 pm

2 stops24h 58m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

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

Read through reviews of airlines operating flights from St. Louis to White Plains, such as Alaska Airlines, Delta and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,963 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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 $261. Another airline that can offer you cheap pricing is American Airlines. Delta is 23% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from St. Louis to White Plains one-way?
One-way options have recently been found by users for as low as $151 on Delta. Other airlines that offer cheap prices include American Airlines from $349 and Alaska Airlines from $598 one-way.
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$248	Average$336	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$256	Average$309	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$151+ 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 7/4. 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 June 16, 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 June 16, 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

Read through reviews of airlines operating flights from St. Louis to White Plains, such as Alaska Airlines, Delta and American Airlines. 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.

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

What are the cheapest airlines to fly from St. Louis to White Plains one-way?

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

100% Free

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 June 16, 2025.