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

For as low as $239, Delta can have you in St. Louis from White Plains in 5h 24m. The distance from White Plains to St. Louis is about 895 mi.

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

According to our current data, Delta ($236), and American Airlines ($268) offers the cheapest pricing from White Plains to St. Louis. Delta is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

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

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 day to fly round-trip from White Plains to St. Louis?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to St. Louis. Check prices with Cheapflights to find a great deal for your trip.

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

To save up to 64% on this flight, we recommend booking at least 57 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from White Plains to St. Louis from $333 1-2 weeks out and tickets from $390 for flights departing within the next 72 hours.

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

Flights from White Plains to St. Louis lean towards being more expensive in December. Prices are generally better when you fly from White Plains to St. Louis in January, with the cheapest ticket starting at $207.

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

When flying from White Plains to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 18% versus a flight at noon.

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.

$126+ Flights from White Plains to St. Louis

Q: How much does it cost to fly round-trip from White Plains to St. Louis?

Airfare is below average for this route at the moment. White Plains to St. Louis flights typically cost between $268 and $295 in December. The cheapest round-trip price found within the last 3 days was $239 on Delta (Dec 6-Dec 16).

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Cheap flight deals from White Plains to St. Louis

Round-trip from	$239 (Delta)
One-way from	$126 (American Airlines)
Popular in	December
Cheapest in	November
Average price	$279

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. 1% potential increase in price ($3 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find 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 September 11, 2025.

Sat 12/66:00 amHPN - STL

1 stop5h 24mDelta

Tue 12/161:55 pmSTL - HPN

1 stop7h 13mDelta

Deal found 9/11

$239

Tue 10/145:57 pmHPN - STL

1 stop6h 57mAmerican Airlines

Wed 10/156:00 amSTL - HPN

1 stop4h 29mAmerican Airlines

Deal found 9/10

$253

Sat 10/412:42 pmHPN - STL

1 stop5h 00mDelta

Wed 10/86:00 amSTL - HPN

1 stop5h 00mDelta

Deal found 9/10

$262

Tue 10/144:30 pmHPN - STL

1 stop4h 56mAmerican Airlines

Thu 10/168:42 amSTL - HPN

1 stop6h 17mAmerican Airlines

Deal found 9/11

$264

Tue 9/306:00 amHPN - STL

1 stop4h 59mDelta

Sat 10/46:40 amSTL - HPN

1 stop4h 19mDelta

Deal found 9/10

$265

Sat 10/412:42 pmHPN - STL

1 stop5h 00mDelta

Mon 10/63:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$271

Wed 10/110:29 amHPN - STL

1 stop5h 06mDelta

Tue 10/73:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$273

Sat 10/114:30 pmHPN - STL

1 stop4h 56mAmerican Airlines

Sun 10/126:00 amSTL - HPN

1 stop4h 29mAmerican Airlines

Deal found 9/10

$275

Tue 9/306:00 amHPN - STL

1 stop4h 59mDelta

Wed 10/86:00 amSTL - HPN

1 stop5h 00mDelta

Deal found 9/10

$276

Wed 10/16:00 amHPN - STL

1 stop7h 21mDelta

Mon 10/63:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$282

Tue 9/3012:45 pmHPN - STL

1 stop7h 20mDelta

Mon 10/63:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$285

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 September 11, 2025.

Sat 12/66:00 amHPN - STL

1 stop5h 24mDelta

Tue 12/161:55 pmSTL - HPN

1 stop7h 13mDelta

Deal found 9/11

$239

Sat 10/412:42 pmHPN - STL

1 stop5h 00mDelta

Wed 10/86:00 amSTL - HPN

1 stop5h 00mDelta

Deal found 9/10

$262

Wed 10/16:00 amHPN - STL

1 stop4h 59mDelta

Sat 10/46:40 amSTL - HPN

1 stop4h 19mDelta

Deal found 9/10

$262

Mon 10/276:40 pmHPN - STL

1 stop6h 01mDelta

Wed 10/296:40 amSTL - HPN

1 stop4h 19mDelta

Deal found 9/10

$272

Wed 10/16:00 amHPN - STL

1 stop4h 59mDelta

Wed 10/86:00 amSTL - HPN

1 stop5h 00mDelta

Deal found 9/10

$273

Wed 10/110:29 amHPN - STL

1 stop5h 06mDelta

Tue 10/73:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$273

Tue 9/306:00 amHPN - STL

1 stop4h 59mDelta

Wed 10/86:00 amSTL - HPN

1 stop5h 00mDelta

Deal found 9/10

$276

Wed 10/16:00 amHPN - STL

1 stop7h 21mDelta

Mon 10/63:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$282

Tue 9/3012:45 pmHPN - STL

1 stop7h 20mDelta

Mon 10/63:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$285

Fri 1/305:10 pmHPN - STL

1 stop4h 29mDelta

Mon 2/26:45 amSTL - HPN

1 stop4h 05mDelta

Deal found 9/11

$285

Fri 10/36:40 pmHPN - STL

1 stop5h 44mDelta

Sat 10/46:40 amSTL - HPN

1 stop4h 19mDelta

Deal found 9/10

$287

Thu 10/26:00 amHPN - STL

1 stop4h 59mDelta

Tue 10/71:30 pmSTL - HPN

1 stop7h 39mDelta

Deal found 9/10

$298

Last-minute flights from White Plains to St. Louis
Discover last-minute flight deals from White Plains to St. Louis. Data last updated September 11, 2025 and is based on user searches.

Tue 9/306:00 amHPN - STL

1 stop4h 59mDelta

Sat 10/46:40 amSTL - HPN

1 stop4h 19mDelta

Deal found 9/10

$265

Tue 9/306:00 amHPN - STL

1 stop4h 59mDelta

Wed 10/86:00 amSTL - HPN

1 stop5h 00mDelta

Deal found 9/10

$276

Tue 9/3012:45 pmHPN - STL

1 stop7h 20mDelta

Mon 10/63:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$285

Wed 10/110:29 amHPN - STL

1 stop5h 06mDelta

Tue 10/73:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$273

Wed 10/16:00 amHPN - STL

1 stop7h 21mDelta

Mon 10/63:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$282

Thu 10/26:00 amHPN - STL

1 stop4h 59mDelta

Sat 10/41:26 pmSTL - HPN

1 stop7h 52mDelta

Deal found 9/10

$287

Sat 10/412:42 pmHPN - STL

1 stop5h 00mDelta

Wed 10/86:00 amSTL - HPN

1 stop5h 00mDelta

Deal found 9/10

$262

Sat 10/412:42 pmHPN - STL

1 stop5h 00mDelta

Mon 10/63:59 pmSTL - HPN

1 stop5h 10mDelta

Deal found 9/10

$271

Sat 10/114:30 pmHPN - STL

1 stop4h 56mAmerican Airlines

Sun 10/126:00 amSTL - HPN

1 stop4h 29mAmerican Airlines

Deal found 9/10

$275

Tue 10/145:57 pmHPN - STL

1 stop6h 57mAmerican Airlines

Wed 10/156:00 amSTL - HPN

1 stop4h 29mAmerican Airlines

Deal found 9/10

$253

Tue 10/144:30 pmHPN - STL

1 stop4h 56mAmerican Airlines

Thu 10/168:42 amSTL - HPN

1 stop6h 17mAmerican Airlines

Deal found 9/11

$264

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 September 11, 2025.

Sat 10/46:50 pmHPN - STL

1 stop5h 17mAmerican Airlines

Deal found 9/10

$126

Wed 12/36:00 amHPN - STL

1 stop8h 00mDelta

Deal found 9/10

$127

Thu 12/46:41 pmHPN - STL

1 stop6h 00mDelta

Deal found 9/10

$138

Sat 10/1812:45 pmHPN - STL

1 stop6h 17mDelta

Deal found 9/10

$140

Tue 12/25:21 pmHPN - STL

1 stop5h 26mAmerican Airlines

Deal found 9/10

$150

Sun 10/56:00 amHPN - STL

1 stop4h 26mAmerican Airlines

Deal found 9/10

$162

Sat 12/273:15 pmHPN - STL

1 stop7h 53mDelta

Deal found 9/10

$169

Mon 12/226:55 pmHPN - STL

1 stop5h 44mDelta

Deal found 9/10

$189

Mon 10/205:57 pmHPN - STL

1 stop6h 57mAmerican Airlines

Deal found 9/10

$197

Sun 10/195:57 pmHPN - STL

1 stop6h 57mAmerican Airlines

Deal found 9/10

$204

Mon 10/1312:10 pmHPN - STL

3 stops45h 57mMultiple Airlines

Deal found 9/9

$214

Thu 12/1812:44 pmHPN - STL

1 stop6h 50mDelta

Deal found 9/10

$240

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

Sat 12/6

6:00 am-10:24 am

1 stop5h 24m

Lambert-St Louis

Tue 12/16

1:55 pm-10:08 pm

1 stop7h 13m

$239

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Sat 10/4

12:42 pm-4:42 pm

1 stop5h 00m

Lambert-St Louis

Wed 10/8

6:00 am-12:00 pm

1 stop5h 00m

$262

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 10/1

6:00 am-9:59 am

1 stop4h 59m

Lambert-St Louis

Sat 10/4

6:40 am-11:59 am

1 stop4h 19m

$262

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Mon 10/27

6:40 pm-11:41 pm

1 stop6h 01m

Lambert-St Louis

Wed 10/29

6:40 am-11:59 am

1 stop4h 19m

$272

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 10/1

6:00 am-9:59 am

1 stop4h 59m

Lambert-St Louis

Wed 10/8

6:00 am-12:00 pm

1 stop5h 00m

$273

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 10/1

10:29 am-2:35 pm

1 stop5h 06m

Lambert-St Louis

Tue 10/7

3:59 pm-10:09 pm

1 stop5h 10m

$273

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Tue 9/30

6:00 am-9:59 am

1 stop4h 59m

Lambert-St Louis

Wed 10/8

6:00 am-12:00 pm

1 stop5h 00m

$276

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 10/1

6:00 am-12:21 pm

1 stop7h 21m

Lambert-St Louis

Mon 10/6

3:59 pm-10:09 pm

1 stop5h 10m

$282

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Tue 9/30

12:45 pm-7:05 pm

1 stop7h 20m

Lambert-St Louis

Mon 10/6

3:59 pm-10:09 pm

1 stop5h 10m

$285

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Fri 1/30

5:10 pm-8:39 pm

1 stop4h 29m

Lambert-St Louis

Mon 2/2

6:45 am-11:50 am

1 stop4h 05m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 24 results

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, August is the cheapest month in which you can book a flight from White Plains to St. Louis (average of $311). Flying from White Plains to St. Louis in March is currently the most expensive (average of $356). 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.

How much does it cost to fly round-trip 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.

Delta

8.0

Very good

7,960 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

8.0

Very good

7,960 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kymberlee,Oct 2024

JFK - ATL

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,960 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 $239, Delta can have you in St. Louis from White Plains in 5h 24m. The distance from White Plains to St. Louis is about 895 mi.
What are the cheapest airlines flying from White Plains to St. Louis round-trip?
According to our current data, Delta ($236), and American Airlines ($268) offers the cheapest pricing from White Plains to St. Louis. Delta is priced at 38% 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, August is the cheapest month in which you can book a flight from White Plains to St. Louis (average of $311). Flying from White Plains to St. Louis in March is currently the most expensive (average of $356). 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

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

St. Peters

Chesterfield

Alton

Farmington

Festus

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from White Plains to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$236	Average$368	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$268	Average$403	FlexibilityNo cancel fee	On-time71%

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$126+ 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 10/4. 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

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Find 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 September 11, 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 September 11, 2025.

Cheapflights Fare Finder

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

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?

How much does it cost to fly round-trip 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 September 11, 2025.