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$152+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — STL
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from White Plains to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from White Plains (HPN) to St. Louis (STL). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$287
(Delta)

One-way from

$152
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$374
Provider with most accurate pricing for White Plains Westchester County-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for White Plains Westchester County-Lambert-St Louis flights.
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From White Plains Westchester County to Lambert-St Louis
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One-way flight from White Plains Westchester County to Lambert-St Louis
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 28, 2025.

This Delta deal was found by Cheapflights users on 10/26. 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.
Wed 12/176:10 amHPN - STL
1 stop7h 47mDelta
Tue 12/301:22 pmSTL - HPN
1 stop7h 47mDelta
Deal found 10/26$293
This Delta deal was found by Cheapflights users on 10/26. 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.
Wed 12/1712:45 pmHPN - STL
1 stop6h 48mDelta
Thu 12/256:29 amSTL - HPN
1 stop4h 30mDelta
Deal found 10/26$311
This Delta deal was found by Cheapflights users on 10/26. 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 12/186:10 amHPN - STL
1 stop5h 35mDelta
Tue 12/301:22 pmSTL - HPN
1 stop7h 47mDelta
Deal found 10/26$319
This Delta deal was found by Cheapflights users on 10/27. 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 11/115:14 pmHPN - STL
1 stop4h 32mDelta
Sat 11/156:00 amSTL - HPN
1 stop5h 00mDelta
Deal found 10/27$325
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/173:12 pmHPN - STL
1 stop7h 35mAmerican Airlines
Wed 12/246:02 amSTL - HPN
1 stop7h 28mAmerican Airlines
Deal found 10/26$331
This Delta deal was found by Cheapflights users on 10/26. 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 12/186:10 amHPN - STL
1 stop5h 35mDelta
Thu 12/256:29 amSTL - HPN
1 stop4h 30mDelta
Deal found 10/26$337
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 12/225:16 pmHPN - STL
1 stop6h 28mAmerican Airlines
Fri 1/22:06 pmSTL - HPN
1 stop6h 53mAmerican Airlines
Deal found 10/26$344
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/156:49 pmHPN - STL
1 stop6h 16mAmerican Airlines
Sat 11/224:32 pmSTL - HPN
1 stop5h 57mAmerican Airlines
Deal found 10/27$351
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 12/186:29 amHPN - STL
1 stop7h 54mAmerican Airlines
Wed 12/246:02 amSTL - HPN
1 stop7h 28mAmerican Airlines
Deal found 10/26$357
This Delta deal was found by Cheapflights users on 10/26. 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 11/15:20 pmHPN - STL
1 stop5h 44mDelta
Mon 11/33:59 pmSTL - HPN
1 stop5h 10mDelta
Deal found 10/26$363
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/205:21 pmHPN - STL
1 stop5h 24mAmerican Airlines
Sun 11/238:39 amSTL - HPN
1 stop7h 50mAmerican Airlines
Deal found 10/27$377
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/195:16 pmHPN - STL
1 stop6h 28mAmerican Airlines
Wed 12/246:02 amSTL - HPN
1 stop7h 28mAmerican Airlines
Deal found 10/26$389

Cheapflights Fare Finder

 
Customize your flight search to find flights from White Plains to St. Louis 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 October 28, 2025.
Use the filters below to find and compare flights from White Plains to St. Louis that are best for you.

Fly from

White Plains

Fly to

St. Louis

Route

Depart

Return

Price

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Sat 2/28

4:19 pm-11:40 pm

1 stop8h 21m

Lambert-St Louis

Sun 3/1

6:45 am-11:50 am

1 stop4h 05m

$287

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 12/17

6:10 am-12:57 pm

1 stop7h 47m

Lambert-St Louis

Tue 12/30

1:22 pm-10:09 pm

1 stop7h 47m

$293

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Sat 2/21

6:40 pm-11:40 pm

1 stop6h 00m

Lambert-St Louis

Sun 2/22

6:45 am-11:50 am

1 stop4h 05m

$299

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 12/17

12:45 pm-6:33 pm

1 stop6h 48m

Lambert-St Louis

Thu 12/25

6:29 am-11:59 am

1 stop4h 30m

$311

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Fri 2/27

5:10 pm-8:39 pm

1 stop4h 29m

Lambert-St Louis

Sun 3/1

6:45 am-11:50 am

1 stop4h 05m

$313

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Thu 12/18

6:10 am-10:45 am

1 stop5h 35m

Lambert-St Louis

Tue 12/30

1:22 pm-10:09 pm

1 stop7h 47m

$319

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 12/17

3:12 pm-9:47 pm

1 stop7h 35m

Lambert-St Louis

Wed 12/24

6:02 am-2:30 pm

1 stop7h 28m

$331

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Mon 12/22

5:16 pm-10:44 pm

1 stop6h 28m

Lambert-St Louis

Fri 1/2

9:08 am-5:26 pm

1 stop7h 18m

$337

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Thu 12/18

6:10 am-10:45 am

1 stop5h 35m

Lambert-St Louis

Thu 12/25

6:29 am-11:59 am

1 stop4h 30m

$337

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Sat 11/15

6:49 pm-12:05 am

1 stop6h 16m

Lambert-St Louis

Sat 11/22

4:32 pm-11:29 pm

1 stop5h 57m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 18 results
1
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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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust 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 $61). Flying from White Plains to St. Louis in February is currently the most expensive (average of $226). 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

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated October 28, 2025.
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
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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.

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?

    For as low as $287, Delta can have you in St. Louis from White Plains in 8h 21m. 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 ($260), and American Airlines ($283) offers the cheapest pricing from White Plains to St. Louis. Delta is priced at 32% 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 $61). Flying from White Plains to St. Louis in February is currently the most expensive (average of $226). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
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

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Alternative routes for White Plains to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from White Plains to St. Louis

Discover the top 2 airlines that operate flights from White Plains to St. Louis. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$260Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$283Average$419FlexibilityNo cancel feeOn-time71%

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