What are the cheapest airlines to fly from Westchester County to St. Louis one-way?

One-way options have recently been found by users for as low as $143 on Delta. Other airlines that offer cheap prices include United Airlines from $193 and American Airlines from $224 one-way.

Can I find flights from Westchester County to St. Louis for under $400 on Cheapflights?

Yes, there are multiple flights from Westchester County to St. Louis for under $400. The cheapest flight booked recently is on American Airlines for just $362, but on average you can expect to pay $503.

Are there nonstop flights from Westchester County to St. Louis for under $700 on Cheapflights?

Cheapflights has at least 1 direct flight from Westchester County to St. Louis under $700. A good price for a nonstop flight from Westchester County to St. Louis is less than $636.

Which airlines flying from Westchester County to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Westchester County to Lambert-St Louis that may be offering flexible cancellation policies are American Airlines and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

How far in advance should I book a flight from Westchester County to St. Louis?

To save up to 52% on this flight, we recommend booking at least 30 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Westchester County to St. Louis from $375 1-2 weeks out and tickets from $482 for flights departing within the next 72 hours.

What is the cheapest month to fly from Westchester County to St. Louis?

February is one of the best times of the year to fly to St. Louis from Westchester County. Prices for February average $333 per person but you can even find prices for as low as $195. The most expensive prices can be found in the month of June. Opting for a February flight can save you 17% on your journey compared to booking in June

When is the cheapest time to fly from Westchester County to St. Louis (REU - STL)?

When flying from Westchester County to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to St. Louis from Westchester County?

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Westchester County to St. Louis.

What does HPN to STL mean?

This is defined as White Plains Westchester County Airport (HPN) and Lambert-St Louis Airport (STL). Codes like Lambert-St Louis Airport are often used to just call airports uniquely.

Flights from Westchester County to St. Louis, MO from $143

Q: Are there last-minute flights available from Westchester County to St. Louis for under $500?

There are currently 12+ open flights from Westchester County to St. Louis within the next 7 days for less than $500.

Cheap flights from Westchester County to St. Louis in May, June 2023

Listed are some of the best fares we've found on flights departing from Westchester County to St. Louis in 2023. More deals are always being added, so be sure to check back regularly.

Jun 7 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 59m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$383

American Airlines

Deal found 5/24

Jun 4 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 54m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$451

American Airlines

Deal found 5/24

Jun 8 - Jun 15

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 16m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$454

American Airlines

Deal found 5/25

Jun 10 - Jun 13

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 16m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$456

American Airlines

Deal found 5/24

Jun 1 - Jun 6

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

4h 52m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

6h 32m

$514

American Airlines

Deal found 5/24

Jun 3 - Jun 5

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

7h 43m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 20m

$515

American Airlines

Deal found 5/24

May 26 - May 29

HPN

White Plains Westchester County

STL

Lambert-St Louis

Nonstop

2h 47m

STL

Lambert-St Louis

HPN

White Plains Westchester County

Nonstop

0h 47m

$517

Undisclosed Carrier

Deal found 5/24

Jun 6 - Jun 6

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 16m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$521

American Airlines

Deal found 5/24

Jun 6 - Jun 7

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

7h 24m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$522

American Airlines

Deal found 5/24

Westchester County to St. Louis 2023 flight deals

Listed are some of the best fares we've found on flights departing from Westchester County to St. Louis in 2023. More deals are always being added, so be sure to check back regularly.

Aug 26 - Aug 28

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

7h 43m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

5h 50m

$362

American Airlines

Deal found 5/25

Jun 7 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 59m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$383

American Airlines

Deal found 5/24

Aug 17 - Aug 20

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

7h 29m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

5h 50m

$405

American Airlines

Deal found 5/24

Jul 25 - Aug 4

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

7h 21m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$411

American Airlines

Deal found 5/23

Jul 15 - Jul 22

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

4h 54m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

7h 37m

$439

Delta

Deal found 5/24

Jun 4 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 54m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$451

American Airlines

Deal found 5/24

Jun 8 - Jun 15

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 16m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$454

American Airlines

Deal found 5/25

Jun 10 - Jun 13

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 16m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$456

American Airlines

Deal found 5/24

Jun 1 - Jun 6

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

4h 52m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

6h 32m

$514

American Airlines

Deal found 5/24

Cheap American Airlines flights from Westchester County to St. Louis

Find some of the cheapest American Airlines flights traveling from Westchester County to St. Louis. Deals update often to give you more flight options matching your criteria

Aug 14 - Aug 18

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

7h 39m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

5h 50m

$362

American Airlines

Deal found 5/25

Jun 7 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 59m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$383

American Airlines

Deal found 5/24

Aug 17 - Aug 20

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

7h 29m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

5h 50m

$405

American Airlines

Deal found 5/24

Jun 14 - Jun 16

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 16m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$411

American Airlines

Deal found 5/25

Jun 7 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 39m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$449

American Airlines

Deal found 5/25

Jun 4 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 54m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$451

American Airlines

Deal found 5/24

Jun 8 - Jun 15

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 16m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$454

American Airlines

Deal found 5/25

Jun 10 - Jun 13

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 16m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$456

American Airlines

Deal found 5/24

Jun 15 - Jun 18

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 54m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

5h 19m

$489

American Airlines

Deal found 5/25

Cheap Delta flights from Westchester County to St. Louis

Some of the best deals we've found on Delta flights traveling from Westchester County to St. Louis. Make sure to examine the flight information before completing your reservation.

Jul 15 - Jul 22

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

4h 54m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

7h 37m

$439

Delta

Deal found 5/24

May 31 - Jun 7

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

4h 39m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 47m

$709

Delta

Deal found 5/23

Jul 15 - Jul 22

HPN

White Plains Westchester County

STL

Lambert-St Louis

2 stops

8h 24m

STL

Lambert-St Louis

HPN

White Plains Westchester County

2 stops

9h 59m

$1,134

Delta

Deal found 5/24

Jun 3 - Jun 5

HPN

White Plains Westchester County

STL

Lambert-St Louis

2 stops

11h 21m

STL

Lambert-St Louis

HPN

White Plains Westchester County

2 stops

7h 24m

$1,174

Delta

Deal found 5/24

Jun 3 - Jun 5

HPN

White Plains Westchester County

STL

Lambert-St Louis

2 stops

7h 14m

STL

Lambert-St Louis

HPN

White Plains Westchester County

2 stops

7h 24m

$1,214

Delta

Deal found 5/25

Non-stop flights to St. Louis from Westchester County

For a quicker trip, book one of these direct flights from Westchester County to St. Louis. Search for alternative flights from Westchester County to St. Louis by utilizing the search form above.

Jun 4 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

Nonstop

2h 47m

STL

Lambert-St Louis

HPN

White Plains Westchester County

Nonstop

0h 47m

$636

Undisclosed Carrier

Deal found 5/24

Last minute flights from Westchester County to St. Louis

Consider one of these great deals we found on last-minute flights from Westchester County to St. Louis. To prevent any unwanted surprises, users should verify their flight info before booking.

Jun 4 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 54m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 24m

$451

American Airlines

Deal found 5/24

Jun 1 - Jun 6

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

4h 52m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

6h 32m

$514

American Airlines

Deal found 5/24

Jun 3 - Jun 5

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

7h 43m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 20m

$515

American Airlines

Deal found 5/24

Jun 4 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

Nonstop

2h 47m

STL

Lambert-St Louis

HPN

White Plains Westchester County

Nonstop

0h 47m

$636

Undisclosed Carrier

Deal found 5/24

Jun 3 - Jun 5

HPN

White Plains Westchester County

STL

Lambert-St Louis

Nonstop

2h 47m

STL

Lambert-St Louis

HPN

White Plains Westchester County

Nonstop

0h 47m

$655

Undisclosed Carrier

Deal found 5/24

Jun 3 - Jun 5

HPN

White Plains Westchester County

STL

Lambert-St Louis

Nonstop

2h 47m

STL

Lambert-St Louis

HPN

White Plains Westchester County

Nonstop

0h 47m

$680

Undisclosed Carrier

Deal found 5/25

May 31 - Jun 7

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

4h 39m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 47m

$709

Delta

Deal found 5/23

Jun 4 - Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 54m

STL

Lambert-St Louis

HPN

White Plains Westchester County

2 stops

14h 14m

$711

American Airlines

Deal found 5/24

Jun 3 - Jun 5

HPN

White Plains Westchester County

STL

Lambert-St Louis

2 stops

10h 15m

STL

Lambert-St Louis

HPN

White Plains Westchester County

1 stop

4h 20m

$758

American Airlines

Deal found 5/24

One-way flights to St. Louis from Westchester County

If you're seeking multiple options on one-way flights from Westchester County to St. Louis, be sure to check out these deals, which are updated often. For those needing a return trip from Westchester County, there is a search form available above.

Jun 28

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

4h 39m

$143

Delta

Deal found 5/24

Jun 26

HPN

White Plains Westchester County

STL

Lambert-St Louis

2 stops

26h 44m

$169

Multiple Airlines

Deal found 5/24

Jun 7

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 59m

$193

United Airlines

Deal found 5/24

Jun 30

HPN

White Plains Westchester County

STL

Lambert-St Louis

2 stops

44h 14m

$204

Multiple Airlines

Deal found 5/24

Jun 28

HPN

White Plains Westchester County

STL

Lambert-St Louis

2 stops

27h 38m

$205

Multiple Airlines

Deal found 5/24

Jun 9

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

7h 43m

$224

American Airlines

Deal found 5/25

Jun 8

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

6h 16m

$226

American Airlines

Deal found 5/25

Jun 26

HPN

White Plains Westchester County

STL

Lambert-St Louis

1 stop

4h 12m

$264

American Airlines

Deal found 5/24

Jun 26

HPN

White Plains Westchester County

STL

Lambert-St Louis

3 stops

23h 00m

$294

Multiple Airlines

Deal found 5/24

Find flights from Westchester County to St. Louis within your budget

Fly from

Fly to

Budget

$362 - $1,028

Route

Depart

Return

Price

White Plains Westchester CountyLambert-St Louis

HPN - STL

HPNSTL

White Plains Westchester County

Mon 8/14

1 stop7h 39m

Lambert-St Louis

Fri 8/18

1 stop5h 50m

$362

Pick Dates

White Plains Westchester CountyLambert-St Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 6/7

1 stop6h 59m

Lambert-St Louis

Thu 6/8

1 stop4h 24m

$383

Pick Dates

White Plains Westchester CountyLambert-St Louis

HPN - STL

HPNSTL

White Plains Westchester County

Thu 8/17

1 stop7h 29m

Lambert-St Louis

Sun 8/20

1 stop5h 50m

$405

Pick Dates

White Plains Westchester CountyLambert-St Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 6/14

1 stop6h 16m

Lambert-St Louis

Fri 6/16

1 stop4h 24m

$411

Pick Dates

White Plains Westchester CountyLambert-St Louis

HPN - STL

HPNSTL

White Plains Westchester County

Sat 7/15

1 stop4h 54m

Lambert-St Louis

Sat 7/22

1 stop7h 37m

$439

Pick Dates

White Plains Westchester CountyLambert-St Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 6/7

1 stop6h 39m

Lambert-St Louis

Thu 6/8

1 stop4h 24m

$449

Pick Dates

White Plains Westchester CountyLambert-St Louis

HPN - STL

HPNSTL

White Plains Westchester County

Sun 6/4

Nonstop2h 47m

Lambert-St Louis

Thu 6/8

Nonstop0h 47m

$636

Pick Dates

White Plains Westchester CountyLambert-St Louis

HPN - STL

HPNSTL

White Plains Westchester County

Mon 6/5

2 stops23h 27m

Lambert-St Louis

Wed 6/7

1 stop27h 10m

$709

Pick Dates

White Plains Westchester CountyLambert-St Louis

HPN - STL

HPNSTL

White Plains Westchester County

Wed 6/7

2 stops12h 24m

Lambert-St Louis

Thu 6/8

2 stops8h 06m

$1,028

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/25

Reviews of Airlines Servicing St. Louis

Get a feel of what it's like to fly with American Airlines, Delta and Undisclosed Carrier from Westchester County to St. Louis by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

2,341 reviews

Check prices

Reviews

1 / 10

Few on the plane on Saturday night. Lots of space. Crew was great.

Delta

8.0

Very good

2,341 reviews

Delta

8.0

Very good

2,341 reviews

Check prices

Reviews

1 / 10

Few on the plane on Saturday night. Lots of space. Crew was great.

United Airlines

7.6

Good

1,483 reviews

Delta

8.0

Very good

2,341 reviews

Check prices

Reviews

1 / 10

Few on the plane on Saturday night. Lots of space. Crew was great.

American Airlines

7.4

Good

2,147 reviews

Delta

8.0

Very good

2,341 reviews

Check prices

Reviews

1 / 10

Few on the plane on Saturday night. Lots of space. Crew was great.

Related info for your journey

Flights to St. Louis from Westchester County

Flights to Westchester County

Flights to St. Louis

Flights from Westchester County

Flights from St. Louis

Rent a Car

Car Rentals in St. Louis

Car Rentals in Missouri

Top 2 airlines flying from Westchester County to St. Louis

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
American Airlines	Cheapest$270	Average$456	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Delta	Cheapest$276	Average$409	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights

Chicago to Mexico City flights

Nashville to Las Vegas flights

San Francisco to Tokyo flights

Los Angeles to New York John F Kennedy Intl Airport flights

Los Angeles to Fort Lauderdale flights

Los Angeles to Costa Rica flights

New York to Dublin flights

Nashville to Chicago flights

San Francisco to Hyderabad flights

Seattle to Dallas flights

Boston to Austin flights

Westchester County to Saint Thomas Island flights

Cheap flights from Westchester County to St. Louis (STL) from $143

This is the cheapest one-way flight price, found on 5/24. Prices may vary by date and flight preferences.

100% Free

Book with Flexibility

Travel Smart

How far in advance should I book a flight from Westchester County to St. Louis?

What is the cheapest month to fly from Westchester County to St. Louis?

When is the cheapest time to fly from Westchester County to St. Louis (REU - STL)?

Cheap flights from Westchester County to St. Louis in May, June 2023

The best prices found for Westchester County to STL flights for May, June

Listed are some of the best fares we've found on flights departing from Westchester County to St. Louis in 2023. More deals are always being added, so be sure to check back regularly.

Westchester County to St. Louis 2023 flight deals

Cheap flights to St. Louis from Westchester County found for this year

Listed are some of the best fares we've found on flights departing from Westchester County to St. Louis in 2023. More deals are always being added, so be sure to check back regularly.

Cheap American Airlines flights from Westchester County to St. Louis

Find some of the cheapest American Airlines flights traveling from Westchester County to St. Louis. Deals update often to give you more flight options matching your criteria

Cheap Delta flights from Westchester County to St. Louis

Some of the best deals we've found on Delta flights traveling from Westchester County to St. Louis. Make sure to examine the flight information before completing your reservation.

Non-stop flights to St. Louis from Westchester County

Save time with Westchester County to St. Louis direct flight deals

For a quicker trip, book one of these direct flights from Westchester County to St. Louis. Search for alternative flights from Westchester County to St. Louis by utilizing the search form above.

Last minute flights from Westchester County to St. Louis

Late deals on return flights to St. Louis from Westchester County, departing today and this week

Consider one of these great deals we found on last-minute flights from Westchester County to St. Louis. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to St. Louis from Westchester County

The cheapest one-way flights from Westchester County to St. Louis

If you're seeking multiple options on one-way flights from Westchester County to St. Louis, be sure to check out these deals, which are updated often. For those needing a return trip from Westchester County, there is a search form available above.

Find flights from Westchester County to St. Louis within your budget

Use the slider to find flights from Westchester County to St. Louis that fit your budget.

Reviews of Airlines Servicing St. Louis

Related info for your journey

Useful info, stats and facts about Westchester County to St. Louis flights.

What airport do you fly into for flights to St. Louis from Westchester County?

Which airlines flying from Westchester County to Lambert-St Louis have flexible cancellations due to COVID-19?

Can I find flights from Westchester County to St. Louis for under $400 on Cheapflights?

Are there nonstop flights from Westchester County to St. Louis for under $700 on Cheapflights?

Are there last-minute flights available from Westchester County to St. Louis for under $500?

What are the cheapest airlines to fly from Westchester County to St. Louis one-way?

What does HPN to STL mean?

Flights to St. Louis from Westchester County

Rent a Car

Top 2 airlines flying from Westchester County to St. Louis

The chart below displays the airlines Cheapflights users traveling from Westchester County to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2023