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

For as low as $240, Delta can have you in St. Louis from White Plains in 4h 31m. The distance from White Plains to St. Louis is about 895 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

According to our current data, Delta ($260), and American Airlines ($280) offers the cheapest pricing from White Plains to St. Louis. Delta is priced at 37% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from White Plains to St. Louis as you normally would.

Most accurate provider : When it comes to deals on White Plains-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on White Plains-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from White Plains-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on White Plains-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for White Plains-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

Yes. Cheapflights offers flight deals from White Plains 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.

$169+ Flights from White Plains to St. Louis

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Cheap flight deals from White Plains to St. Louis

Cheapest flights from White Plains to St. Louis
Explore the most affordable flight options available from White Plains to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

Thu 12/184:29 pmHPN - STL

1 stop6h 28mDelta

Fri 12/197:05 amSTL - HPN

1 stop6h 23mDelta

Deal found 12/12

$645

Best flights from White Plains to St. Louis
Discover carefully curated flight deals from White Plains to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.

Tue 1/205:12 pmHPN - STL

1 stop4h 31mDelta

Sat 1/247:10 amSTL - HPN

1 stop6h 16mDelta

Deal found 12/13

$240

Mon 1/196:00 amHPN - STL

1 stop5h 20mAmerican Airlines

Sat 1/248:13 amSTL - HPN

1 stop7h 27mAmerican Airlines

Deal found 12/14

$287

Thu 1/112:00 pmHPN - STL

1 stop5h 23mAmerican Airlines

Sun 1/46:02 amSTL - HPN

1 stop7h 28mAmerican Airlines

Deal found 12/12

$319

Fri 1/912:36 pmHPN - STL

1 stop5h 01mDelta

Sun 1/116:35 amSTL - HPN

1 stop4h 23mDelta

Deal found 12/12

$345

Mon 1/55:56 pmHPN - STL

1 stop6h 48mAmerican Airlines

Mon 1/126:52 amSTL - HPN

1 stop5h 08mAmerican Airlines

Deal found 12/12

$345

Mon 1/56:56 pmHPN - STL

1 stop5h 59mAmerican Airlines

Sun 1/113:54 pmSTL - HPN

1 stop5h 01mAmerican Airlines

Deal found 12/12

$345

Fri 1/911:00 amHPN - STL

1 stop5h 04mAmerican Airlines

Sun 1/116:52 amSTL - HPN

1 stop5h 08mAmerican Airlines

Deal found 12/12

$345

Thu 3/266:59 pmHPN - STL

1 stop5h 43mDelta

Sun 3/296:32 amSTL - HPN

1 stop4h 11mDelta

Deal found 12/11

$438

Sun 6/73:12 pmHPN - STL

1 stop6h 48mAmerican Airlines

Mon 6/86:28 amSTL - HPN

1 stop3h 50mAmerican Airlines

Deal found 12/13

$412

Sat 1/36:56 pmHPN - STL

1 stop6h 00mAmerican Airlines

Sun 1/46:00 amSTL - HPN

1 stop4h 29mAmerican Airlines

Deal found 12/12

$446

Last-minute flights from White Plains to St. Louis
Discover last-minute flight deals from White Plains to St. Louis. Data last updated December 14, 2025 and is based on user searches.

Thu 12/184:29 pmHPN - STL

1 stop6h 28mDelta

Fri 12/197:05 amSTL - HPN

1 stop6h 23mDelta

Deal found 12/12

$645

Thu 1/15:16 pmHPN - STL

1 stop5h 29mAmerican Airlines

Sun 1/46:02 amSTL - HPN

1 stop7h 28mAmerican Airlines

Deal found 12/14

$319

Sat 1/36:56 pmHPN - STL

1 stop6h 00mAmerican Airlines

Sun 1/46:00 amSTL - HPN

1 stop4h 29mAmerican Airlines

Deal found 12/12

$446

Mon 1/55:56 pmHPN - STL

1 stop6h 48mAmerican Airlines

Mon 1/126:52 amSTL - HPN

1 stop5h 08mAmerican Airlines

Deal found 12/12

$345

Fri 1/95:12 pmHPN - STL

2 stops7h 13mDelta

Sun 1/116:10 amSTL - HPN

2 stops8h 39mDelta

Deal found 12/12

$1,607

Mon 1/196:00 amHPN - STL

1 stop5h 20mAmerican Airlines

Sat 1/248:13 amSTL - HPN

1 stop7h 27mAmerican Airlines

Deal found 12/14

$287

Tue 1/205:12 pmHPN - STL

1 stop4h 31mDelta

Sat 1/247:10 amSTL - HPN

1 stop6h 16mDelta

Deal found 12/13

$240

Tue 1/2010:00 amHPN - STL

1 stop12h 51mAmerican Airlines

Sat 1/248:13 amSTL - HPN

2 stops10h 47mAmerican Airlines

Deal found 12/13

$556

One-way flights from White Plains to St. Louis
Search for one-way flight options from White Plains to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 14, 2025.

Sun 3/156:59 pmHPN - STL

1 stop5h 43mDelta

Deal found 12/13

$169

Fri 12/196:10 amHPN - STL

1 stop5h 44mDelta

Deal found 12/12

$258

Wed 12/247:52 amHPN - STL

1 stop6h 22mAmerican Airlines

Deal found 12/12

$338

Sun 12/216:55 pmHPN - STL

1 stop5h 47mDelta

Deal found 12/13

$429

Fri 12/197:00 amHPN - STL

2 stops13h 30mAmerican Airlines

Deal found 12/12

$627

Sat 12/207:52 amHPN - STL

2 stops12h 34mAmerican Airlines

Deal found 12/13

$679

Find flight deals from White Plains to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$240 (Delta)
One-way from	$169 (Delta)
Popular in	December
Cheapest in	August
Average price	$798

Provider with most accurate pricing for White Plains Westchester County-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for White Plains Westchester County-Lambert-St Louis flights.

Search Deals

From White Plains Westchester County to Lambert-St Louis

Search Deals

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

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($110 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Tue 1/20

5:12 pm-8:43 pm

1 stop4h 31m

Lambert-St Louis

Sat 1/24

7:10 am-2:26 pm

1 stop6h 16m

$240

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Mon 1/19

6:00 am-10:20 am

1 stop5h 20m

Lambert-St Louis

Sat 1/24

8:13 am-4:40 pm

1 stop7h 27m

$287

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Thu 1/1

12:00 pm-4:23 pm

1 stop5h 23m

Lambert-St Louis

Sun 1/4

6:02 am-2:30 pm

1 stop7h 28m

$319

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Fri 1/9

12:36 pm-4:37 pm

1 stop5h 01m

Lambert-St Louis

Sun 1/11

6:35 am-11:58 am

1 stop4h 23m

$345

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Mon 1/5

5:56 pm-11:44 pm

1 stop6h 48m

Lambert-St Louis

Mon 1/12

6:52 am-1:00 pm

1 stop5h 08m

$345

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Mon 1/5

6:56 pm-11:55 pm

1 stop5h 59m

Lambert-St Louis

Sun 1/11

3:54 pm-9:55 pm

1 stop5h 01m

$345

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Fri 1/9

11:00 am-3:04 pm

1 stop5h 04m

Lambert-St Louis

Sun 1/11

6:52 am-1:00 pm

1 stop5h 08m

$345

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Sun 6/7

3:12 pm-9:00 pm

1 stop6h 48m

Lambert-St Louis

Mon 6/8

6:28 am-11:18 am

1 stop3h 50m

$412

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Thu 3/26

6:59 pm-11:42 pm

1 stop5h 43m

Lambert-St Louis

Sun 3/29

6:32 am-11:43 am

1 stop4h 11m

$438

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Sat 1/3

6:56 pm-11:56 pm

1 stop6h 00m

Lambert-St Louis

Sun 1/4

6:00 am-11:29 am

1 stop4h 29m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 17 results

Compare providers for flights from White Plains to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from White Plains to St. Louis in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on White Plains-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on White Plains-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from White Plains-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on White Plains-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for White Plains-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

Currently, March is the cheapest month in which you can book a flight from White Plains to St. Louis (average of $60). Flying from White Plains to St. Louis in December is currently the most expensive (average of $259). 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 St. Louis

Read through reviews of airlines operating flights from White Plains to St. Louis, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta

7.9

Good

8,007 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

American Airlines

7.2

Good

11,054 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

Related info for your journey

How long is the flight from White Plains to St. Louis?
For as low as $240, Delta can have you in St. Louis from White Plains in 4h 31m. The distance from White Plains to St. Louis is about 895 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from White Plains to St. Louis round-trip?
According to our current data, Delta ($260), and American Airlines ($280) offers the cheapest pricing from White Plains to St. Louis. Delta is priced at 37% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from White Plains to St. Louis that include hotel bookings?
Yes. In addition to deals on White Plains to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from White Plains to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from White Plains to St. Louis.
Can I find deals for business class flights from White Plains to St. Louis?
Yes. Cheapflights offers flight deals from White Plains 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 White Plains to St. Louis?
Currently, March is the cheapest month in which you can book a flight from White Plains to St. Louis (average of $60). Flying from White Plains to St. Louis in December is currently the most expensive (average of $259). 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

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Other flights to St. Louis

Top 2 airlines flying from White Plains to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$260	Average$368	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$280	Average$415	FlexibilityNo cancel fee	On-time71%

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$169+ Cheap flights from White Plains to St. Louis (HPN - 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.

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

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Cheap flight deals from White Plains to St. Louis

Cheapest flights from White Plains to St. LouisExplore the most affordable flight options available from White Plains to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

Explore the most affordable flight options available from White Plains to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

Find flight deals from White Plains to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from White Plains to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from White Plains to St. Louis in December.

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

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

Cheapflights Insights

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

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

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from White Plains to St. Louis, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from White Plains to St. Louis. 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 White Plains to St. Louis?

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

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

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

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

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

Traveling to a place near St. Louis?

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 White Plains to St. Louis

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

Top 2 airlines flying from White Plains to St. Louis

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Cheapest flights from White Plains to St. Louis
Explore the most affordable flight options available from White Plains to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.