$159 Cheap flights from Westchester County to Lambert-St. Louis Intl. (HPN to STL)

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Find The Best Dates To Fly from Westchester County to Lambert-St. Louis Intl.

Amazing HPN to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $324 round trip and $159 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Feb 11 - Sat, Feb 15
HPN
White Plains
STL
St. Louis
$324 Roundtrip, found 4 days ago
$324
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Feb 11 from White Plains to St. Louis, returning Sat, Feb 15, priced at $324 found 4 days ago
Tue, Jan 7 - Wed, Jan 8
HPN
White Plains
STL
St. Louis
$330 Roundtrip, found 1 day ago
$330
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 7 from White Plains to St. Louis, returning Wed, Jan 8, priced at $330 found 1 day ago
Thu, Feb 13 - Sat, Feb 15
HPN
White Plains
STL
St. Louis
$343 Roundtrip, found 4 days ago
$343
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Feb 13 from White Plains to St. Louis, returning Sat, Feb 15, priced at $343 found 4 days ago
Thu, Jan 9 - Sat, Jan 25
HPN
White Plains
STL
St. Louis
$347 Roundtrip, found 5 days ago
$347
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jan 9 from White Plains to St. Louis, returning Sat, Jan 25, priced at $347 found 5 days ago
Tue, Feb 11 - Thu, Feb 20
HPN
White Plains
STL
St. Louis
$349 Roundtrip, found 4 days ago
$349
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Feb 11 from White Plains to St. Louis, returning Thu, Feb 20, priced at $349 found 4 days ago
Mon, Jan 6 - Wed, Jan 8
HPN
White Plains
STL
St. Louis
$350 Roundtrip, found 1 day ago
$350
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 6 from White Plains to St. Louis, returning Wed, Jan 8, priced at $350 found 1 day ago
Thu, Jan 9 - Tue, Jan 28
HPN
White Plains
STL
St. Louis
$353 Roundtrip, found 5 days ago
$353
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jan 9 from White Plains to St. Louis, returning Tue, Jan 28, priced at $353 found 5 days ago
Fri, Jan 10 - Sat, Jan 25
HPN
White Plains
STL
St. Louis
$354 Roundtrip, found 5 days ago
$354
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Jan 10 from White Plains to St. Louis, returning Sat, Jan 25, priced at $354 found 5 days ago
Tue, Jan 7 - Sun, Jan 12
HPN
White Plains
STL
St. Louis
$360 Roundtrip, found 1 day ago
$360
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 7 from White Plains to St. Louis, returning Sun, Jan 12, priced at $360 found 1 day ago
Tue, Dec 31 - Wed, Jan 1
HPN
White Plains
STL
St. Louis
$368 Roundtrip, found 5 days ago
$368
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Dec 31 from White Plains to St. Louis, returning Wed, Jan 1, priced at $368 found 5 days ago

Frequently asked questions

Are there direct flights from Westchester County Airport (HPN) to STL?
You’ll need to factor in time for a stopover when jetting from Westchester County Airport (HPN) to Lambert Field. There are no direct flights on this route, however American Airlines, Delta and United Airlines will get you to your destination as swiftly as possible.
How long is the flight from Westchester County Airport (HPN) to STL?
Flights between Westchester County and St. Louis take about 3 hours and 46 minutes in total. Make the most of that time in the air by resting, reading, checking out the in-flight entertainment or doing all three.
What is the flight distance from HPN to Lambert-St. Louis Intl. Airport (STL)?
With a mere 900 mi separating Westchester County Airport (HPN) and STL, there’ll be little time between the seat belt sign flicking off and the captain asking you to prepare for landing.
What airlines fly from White Plains Airport to Lambert Field?
As there are no direct flights between HPN and STL, at least one stopover will be unavoidable. You will be better off planning ahead if you want to book the most straightforward route and save yourself some time.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Westchester County
Traveling To
Lambert-St. Louis Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$324

Route Info

Flight path for flights from Westchester County Airport to Lambert-St. Louis International Airport


Origin:
HPN - Westchester County Airport
Destination:
STL - Lambert-St. Louis International Airport
Distance:
999.00 miles


Airlines & Aircraft Used on HPN to STL Flight Routes


Airline Carrier
Aircraft
American Airlines
Aerospatiale/Alenia ATR 72
American Airlines
Airbus A319
American Airlines
Boeing 737-800 pax
United Airlines
Aerospatiale/Alenia ATR 72

Discover our best flights from White Plains HPN to St. Louis STL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from White Plains HPN to St. Louis STL at the right price  

Airfares to St. Louis STL from White Plains HPN currently cost between $324 and $368. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from White Plains HPN to St. Louis STL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from White Plains HPN to St. Louis STL on Travelocity starting at $159. Prices and availability subject to change. Additional terms may apply. 

 

Get to St. Louis STL from White Plains HPN quicker with direct flights. 

Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from HPN to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from White Plains HPN to St. Louis STL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from HPN. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from White Plains HPN to St. Louis STL today 

If you’re flexible about when you travel, February is usually the cheapest month to fly from White Plains HPN to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to St. Louis STL from White Plains HPN 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from HPN have this option.  

 

Travel with confidence when you book flights to St. Louis STL from White Plains HPN with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.