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$119+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — STL
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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1. Tell us where you want to go
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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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Delta)

One-way from

$119
(Delta)

Popular in

April

Cheapest in

September

Average price

$481
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. 23% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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 4/234:29 pmHPN - STL
1 stop8h 07mDelta
Wed 4/307:10 amSTL - HPN
1 stop7h 39mDelta
Deal found 3/24$237
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/96:30 amHPN - STL
1 stop4h 22mAmerican Airlines
Wed 4/3010:17 amSTL - HPN
1 stop4h 42mAmerican Airlines
Deal found 3/24$266

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 March 25, 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

Wed 4/23

4:29 pm-11:36 pm

1 stop8h 07m

Lambert-St Louis

Wed 4/30

7:10 am-3:49 pm

1 stop7h 39m

$237

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 4/9

6:30 am-9:52 am

1 stop4h 22m

Lambert-St Louis

Wed 4/30

10:17 am-3:59 pm

1 stop4h 42m

$266

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Tue 4/15

5:15 pm-9:36 pm

1 stop5h 21m

$119

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Mon 4/14

4:30 pm-10:12 pm

1 stop6h 42m

$154

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Sat 4/12

5:20 pm-7:38 pm

3 stops27h 18m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on White Plains-St. Louis flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, 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.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

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.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

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).

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 March 25, 2025.
Delta
8.0
Very good
7,890 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

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
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

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
10,000 reviews
Delta
8.0
Very good
7,890 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

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.

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

    According to our current data, Delta ($237), and American Airlines ($266) offers the cheapest pricing from White Plains to St. Louis. Delta is priced at 39% 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

Traveling to a place near White Plains?

Book flights to White Plains if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$377FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$352FlexibilityNo cancel feeOn-time71%
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