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White Plains

$159+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HPN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$217
(American Airlines)

One-way from

$159
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$338
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. 17% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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 9/176:00 pmSTL - HPN
1 stop4h 26mAmerican Airlines
Mon 9/226:50 pmHPN - STL
1 stop5h 17mAmerican Airlines
Deal found 7/2$217
This Delta deal was found by Cheapflights users on 7/2. 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 11/410:45 amSTL - HPN
1 stop4h 49mDelta
Sat 11/86:00 amHPN - STL
1 stop7h 25mDelta
Deal found 7/2$237
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Fri 7/1810:47 amSTL - HPN
2 stops9h 12mMultiple Airlines
Tue 7/2212:16 pmHPN - STL
3 stops23h 13mMultiple Airlines
Deal found 7/3$718

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 July 3, 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

Wed 9/17

6:00 pm-11:26 pm

1 stop4h 26m

White Plains Westchester County

Mon 9/22

6:50 pm-11:07 pm

1 stop5h 17m

$217

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Fri 7/18

6:00 am-12:01 pm

1 stop5h 01m

White Plains Westchester County

Tue 7/22

6:49 pm-11:53 pm

1 stop6h 04m

$353

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Fri 7/18

10:47 am-8:59 pm

2 stops9h 12m

White Plains Westchester County

Tue 7/22

12:16 pm-10:29 am

3 stops23h 13m

$718

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Thu 7/31

9:09 am-4:59 pm

1 stop6h 50m

$159

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Thu 7/31

10:47 am-11:21 am

3 stops23h 34m

$241

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Fri 7/11

6:00 am-12:01 pm

1 stop5h 01m

$243

St. LouisWhite Plains

STL - HPN

STLHPN

Lambert-St Louis

Fri 7/11

7:32 pm-9:30 pm

2 stops24h 58m

$852

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $339). 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 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 July 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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 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.

  • 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 $217. Another airline that can offer you cheap pricing is Delta. American Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $159 on American Airlines. Other airlines that offer cheap prices include Delta from $243 and Alaska Airlines from $852 one-way.

  • 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 $339). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$341FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$309FlexibilityNo cancel feeOn-timeN/A

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