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White Plains

$169+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HPN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from St. Louis to White Plains

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to White Plains (HPN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$261
(Delta)

One-way from

$169
(Delta)

Popular in

December

Cheapest in

April

Average price

$282
From Lambert-St Louis to White Plains Westchester County
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One-way flight from Lambert-St Louis to White Plains Westchester County
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Highest demand for flights based on searches. 20% potential increase in price ($87 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 September 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 September 16, 2025.

This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:05 amSTL - HPN
1 stop6h 22mDelta
Tue 1/66:40 pmHPN - STL
1 stop6h 00mDelta
Deal found 9/16$261
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:00 amSTL - HPN
1 stop6h 37mDelta
Fri 1/23:15 pmHPN - STL
1 stop7h 53mDelta
Deal found 9/16$287
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:00 amSTL - HPN
1 stop6h 37mDelta
Wed 12/316:00 amHPN - STL
1 stop7h 26mDelta
Deal found 9/16$288
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:00 amSTL - HPN
1 stop6h 37mDelta
Tue 12/303:15 pmHPN - STL
1 stop7h 53mDelta
Deal found 9/16$299
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:08 pmSTL - HPN
1 stop4h 21mAmerican Airlines
Sun 10/265:57 pmHPN - STL
1 stop6h 57mAmerican Airlines
Deal found 9/16$313
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/43:55 pmSTL - HPN
1 stop5h 23mDelta
Tue 10/75:20 pmHPN - STL
1 stop4h 03mDelta
Deal found 9/14$315
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amSTL - HPN
1 stop4h 59mDelta
Wed 1/76:40 pmHPN - STL
1 stop6h 00mDelta
Deal found 9/16$317
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:00 amSTL - HPN
1 stop6h 37mDelta
Sun 12/283:15 pmHPN - STL
1 stop7h 53mDelta
Deal found 9/16$319
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:00 amSTL - HPN
1 stop6h 37mDelta
Fri 1/23:15 pmHPN - STL
1 stop7h 53mDelta
Deal found 9/16$325
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:40 amSTL - HPN
1 stop4h 30mDelta
Wed 12/316:00 amHPN - STL
1 stop7h 26mDelta
Deal found 9/16$326
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:12 amSTL - HPN
1 stop4h 54mAmerican Airlines
Tue 12/303:00 pmHPN - STL
1 stop7h 45mAmerican Airlines
Deal found 9/16$331
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:00 amSTL - HPN
1 stop6h 37mDelta
Thu 1/16:00 amHPN - STL
1 stop7h 26mDelta
Deal found 9/16$337

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from St. Louis to White Plains that are best for you.

Fly from

St. Louis

Fly to

White Plains

Route

Depart

Return

Price

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 11/4

6:40 am-11:59 am

1 stop4h 19m

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 12/17

6:00 am-11:59 am

1 stop4h 59m

White Plains Westchester County

Fri 1/2

3:15 pm-10:08 pm

1 stop7h 53m

$287

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 12/16

9:00 am-4:37 pm

1 stop6h 37m

White Plains Westchester County

Fri 1/2

3:15 pm-10:08 pm

1 stop7h 53m

$287

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 12/9

10:45 am-3:49 pm

1 stop4h 04m

White Plains Westchester County

Fri 1/2

3:15 pm-10:08 pm

1 stop7h 53m

$287

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 12/16

6:40 am-12:10 pm

1 stop4h 30m

White Plains Westchester County

Thu 1/8

12:59 pm-6:04 pm

1 stop6h 05m

$287

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Wed 12/17

6:00 am-11:59 am

1 stop4h 59m

White Plains Westchester County

Thu 1/8

6:40 pm-11:40 pm

1 stop6h 00m

$287

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 12/9

9:00 am-4:37 pm

1 stop6h 37m

White Plains Westchester County

Wed 12/31

6:00 am-12:26 pm

1 stop7h 26m

$288

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Sun 12/14

9:00 am-4:37 pm

1 stop6h 37m

White Plains Westchester County

Tue 12/30

3:15 pm-10:08 pm

1 stop7h 53m

$299

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Mon 12/15

6:00 am-11:59 am

1 stop4h 59m

White Plains Westchester County

Wed 1/7

6:40 pm-11:40 pm

1 stop6h 00m

$299

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Tue 12/9

6:00 am-11:59 am

1 stop4h 59m

White Plains Westchester County

Thu 1/1

6:00 am-12:26 pm

1 stop7h 26m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results
1
2

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 $338). 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 St. Louis to White Plains?

Reviews of airlines servicing White Plains

Get insights into the airlines that provide service to White Plains. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to White Plains. Reviews last updated September 16, 2025.
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
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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

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?

    For as low as $261, Delta can have you in White Plains from St. Louis in 4h 19m. 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 $338). 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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Alternative routes for St. Louis to White Plains

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Top 2 airlines flying from St. Louis to White Plains

Discover the top 2 airlines that operate flights from St. Louis to White Plains. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$240Average$365FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$343FlexibilityNo cancel feeOn-timeN/A

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