St. Louis

$179+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — STL
Jul 16 — Jul 231
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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 July 11, 2025.

Round-trip from

$217
(American Airlines)

One-way from

$179
(Delta)

Popular in

December

Cheapest in

September

Average price

$353
From White Plains Westchester County to Lambert-St Louis
One-way flight from White Plains Westchester County to Lambert-St Louis
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 11, 2025.

This American Airlines deal was found by Cheapflights users on 7/8. 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 9/1711:15 amHPN - STL
1 stop6h 00mAmerican Airlines
Sun 9/216:05 amSTL - HPN
1 stop4h 24mAmerican Airlines
Deal found 7/8$217
This Delta deal was found by Cheapflights users on 7/9. 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.
Fri 8/153:10 pmHPN - STL
1 stop7h 17mDelta
Mon 8/181:26 pmSTL - HPN
1 stop7h 57mDelta
Deal found 7/9$313
This Mytrip deal was found by Cheapflights users on 7/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/68:10 amHPN - STL
2 stops26h 42mMultiple Airlines
Thu 8/75:26 pmSTL - HPN
2 stops26h 33mMultiple Airlines
Deal found 7/8$505

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 July 11, 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 9/17

11:15 am-4:15 pm

1 stop6h 00m

Lambert-St Louis

Sun 9/21

6:05 am-11:29 am

1 stop4h 24m

$217

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Fri 8/15

3:10 pm-9:27 pm

1 stop7h 17m

Lambert-St Louis

Mon 8/18

1:26 pm-10:23 pm

1 stop7h 57m

$313

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 8/6

8:10 am-9:52 am

2 stops26h 42m

Lambert-St Louis

Thu 8/7

5:26 pm-8:59 pm

2 stops26h 33m

$505

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Thu 7/31

6:49 pm-11:53 pm

1 stop6h 04m

$179

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Thu 7/24

10:05 am-11:57 pm

2 stops14h 52m

$289

White PlainsSt. Louis

HPN - STL

HPNSTL

White Plains Westchester County

Fri 8/1

4:30 pm-2:26 pm

2 stops22h 56m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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.

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 July 11, 2025.
Read through reviews of airlines operating flights from White Plains to St. Louis, such as Alaska Airlines, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, American Airlines ($217), and Delta ($313) offers the cheapest pricing from White Plains to St. Louis. American Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from White Plains to St. Louis one-way?

    One-way options have recently been found by users for as low as $179 on Delta. Other airlines that offer cheap prices include American Airlines from $289 and Alaska Airlines from $632 one-way.

  • 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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

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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.

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 July 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$242Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$265Average$374FlexibilityNo cancel feeOn-time71%

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