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St. Louis

$128+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — STL
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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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 diciembre 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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.
mié. 12/1012:00 pmHPN - STL
1 stop5h 50mAmerican Airlines
sáb. 12/132:09 pmSTL - HPN
1 stop7h 38mAmerican Airlines
Deal found 12/10$345
This Delta deal was found by Cheapflights users on 12/10. 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.
mié. 12/105:17 pmHPN - STL
1 stop4h 30mDelta
dom. 12/149:00 amSTL - HPN
1 stop6h 37mDelta
Deal found 12/10$383
This American Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 12/263:00 pmHPN - STL
1 stop7h 45mAmerican Airlines
mar. 12/306:02 amSTL - HPN
1 stop7h 28mAmerican Airlines
Deal found 12/11$430
This American Airlines deal was found by Cheapflights users on 12/11. 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.
dom. 12/285:16 pmHPN - STL
2 stops7h 28mAmerican Airlines
sáb. 1/36:02 amSTL - HPN
1 stop7h 28mAmerican Airlines
Deal found 12/11$701
This American Airlines deal was found by Cheapflights users on 12/11. 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.
sáb. 12/131:36 pmHPN - STL
2 stops8h 02mAmerican Airlines
mar. 12/168:13 amSTL - HPN
1 stop7h 33mAmerican Airlines
Deal found 12/11$743
This American Airlines deal was found by Cheapflights users on 12/10. 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.
mié. 12/101:30 pmHPN - STL
2 stops9h 17mAmerican Airlines
dom. 12/147:35 amSTL - HPN
1 stop6h 07mAmerican Airlines
Deal found 12/10$748
This Delta deal was found by Cheapflights users on 12/11. 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.
sáb. 12/1312:55 pmHPN - STL
2 stops10h 02mDelta
mar. 12/166:00 amSTL - HPN
2 stops8h 49mDelta
Deal found 12/11$1,766
This Delta deal was found by Cheapflights users on 12/11. 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.
vie. 12/2612:55 pmHPN - STL
2 stops11h 47mDelta
mar. 12/306:05 amSTL - HPN
2 stops8h 44mDelta
Deal found 12/11$2,654
This Delta deal was found by Cheapflights users on 12/11. 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.
dom. 12/2812:55 pmHPN - STL
2 stops11h 47mDelta
sáb. 1/35:55 amSTL - HPN
2 stops8h 54mDelta
Deal found 12/11$3,025

Find 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$299
(Delta)

One-way from

$128
(Kiwi.com)

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

 
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 diciembre 12, 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

mié. 3/25

12:23 pm-4:42 pm

1 stop5h 19m

Lambert-St Louis

sáb. 3/28

6:00 am-2:29 pm

1 stop7h 29m

$299

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

vie. 1/23

10:29 am-5:50 pm

1 stop8h 21m

Lambert-St Louis

dom. 1/25

10:19 am-3:49 pm

1 stop4h 30m

$313

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

jue. 1/1

4:30 pm-11:44 pm

1 stop8h 14m

Lambert-St Louis

dom. 1/4

6:00 am-11:29 am

1 stop4h 29m

$319

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

vie. 12/26

3:00 pm-9:45 pm

1 stop7h 45m

Lambert-St Louis

mar. 12/30

6:02 am-2:30 pm

1 stop7h 28m

$430

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

dom. 12/28

5:16 pm-9:45 pm

1 stop5h 29m

Lambert-St Louis

sáb. 1/3

6:02 am-2:30 pm

1 stop7h 28m

$430

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

jue. 3/26

6:59 pm-11:42 pm

1 stop5h 43m

Lambert-St Louis

dom. 3/29

6:32 am-11:43 am

1 stop4h 11m

$438

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

vie. 1/23

6:30 am-1:03 pm

2 stops7h 33m

Lambert-St Louis

dom. 1/25

6:52 am-1:00 pm

1 stop5h 08m

$685

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

mié. 3/25

5:16 pm-9:26 pm

1 stop5h 10m

Lambert-St Louis

sáb. 3/28

11:47 am-11:00 pm

2 stops10h 13m

$709

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

jue. 3/26

6:59 pm-11:42 pm

1 stop5h 43m

Lambert-St Louis

lun. 3/30

6:00 am-12:03 pm

1 stop5h 03m

$748

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

mié. 1/7

1:17 pm-10:33 pm

2 stops34h 16m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 17 results
1
2

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.
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 $60). Flying from White Plains to St. Louis in December is currently the most expensive (average of $267). 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 diciembre 12, 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
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
11,050 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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 $299, Delta can have you in St. Louis from White Plains in 5h 19m. 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 $267). 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
Swansea
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

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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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$260Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$280Average$415FlexibilityNo cancel feeOn-time71%

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