$159+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — STL
Apr 13 — Apr 201
Round-trip
1 adult, Economy
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Find cheap flights from White Plains to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from White Plains to St. Louis
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One-way
Cheapest flights from White Plains to St. LouisExplore 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 14, 2026.
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 14, 2026.
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:23 pm
HPN
- STL
1 stop7h 04m
American Airlines
Wed 7/295:00 am
STL
- HPN
1 stop4h 30m
American Airlines
Deal found 3/9![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 3/9. 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.
Thu 4/236:00 am
HPN
- STL
1 stop5h 34m
Delta
Sat 4/257:25 am
STL
- HPN
1 stop6h 04m
Delta
Deal found 3/9![Delta logo]()
$308
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:59 pm
HPN
- STL
1 stop5h 18m
American Airlines
Mon 4/205:51 am
STL
- HPN
1 stop4h 38m
American Airlines
Deal found 3/9![American Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 3/10. 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.
Sat 4/115:15 pm
HPN
- STL
1 stop4h 51m
Delta
Wed 4/156:00 am
STL
- HPN
1 stop5h 00m
Delta
Deal found 3/10![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 3/12. 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.
Sat 4/116:59 pm
HPN
- STL
1 stop5h 59m
Delta
Sat 4/186:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/12![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 3/10. 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.
Sat 4/115:15 pm
HPN
- STL
1 stop4h 51m
Delta
Mon 4/1310:50 am
STL
- HPN
1 stop3h 59m
Delta
Deal found 3/10![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 3/9. 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.
Sun 9/66:00 am
HPN
- STL
1 stop7h 53m
Delta
Thu 10/16:45 am
STL
- HPN
1 stop3h 59m
Delta
Deal found 3/9![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 3/12. 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.
Sat 4/116:59 pm
HPN
- STL
1 stop5h 59m
Delta
Tue 4/146:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/12![Delta logo]()
$341
This Delta deal was found by Cheapflights users on 3/10. 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 4/76:59 pm
HPN
- STL
1 stop5h 59m
Delta
Sat 4/186:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/10![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Fri 4/105:59 pm
HPN
- STL
1 stop5h 18m
American Airlines
Sun 4/125:51 am
STL
- HPN
1 stop4h 38m
American Airlines
Deal found 3/10![American Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 3/10. 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 4/76:59 pm
HPN
- STL
1 stop5h 59m
Delta
Mon 4/1310:50 am
STL
- HPN
1 stop3h 59m
Delta
Deal found 3/10![Delta logo]()
$357
Best flights from White Plains to St. LouisDiscover carefully curated flight deals from White Plains to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 14, 2026.
Discover carefully curated flight deals from White Plains to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 14, 2026.
This Delta deal was found by Cheapflights users on 3/9. 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.
Thu 4/236:00 am
HPN
- STL
1 stop5h 34m
Delta
Sat 4/257:25 am
STL
- HPN
1 stop6h 04m
Delta
Deal found 3/9![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 3/12. 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.
Sat 4/116:59 pm
HPN
- STL
1 stop5h 59m
Delta
Sat 4/186:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/12![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 3/11. 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.
Thu 4/236:00 am
HPN
- STL
1 stop5h 34m
Delta
Sun 4/266:00 am
STL
- HPN
1 stop5h 00m
Delta
Deal found 3/11![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 3/10. 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.
Mon 4/135:20 pm
HPN
- STL
1 stop4h 24m
Delta
Mon 4/206:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/10![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 3/10. 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 4/75:17 pm
HPN
- STL
1 stop4h 25m
Delta
Thu 4/166:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/10![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 3/11. 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 4/15:17 pm
HPN
- STL
1 stop4h 25m
Delta
Sat 4/46:32 am
STL
- HPN
1 stop4h 11m
Delta
Deal found 3/11![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 3/12. 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.
Thu 4/96:59 pm
HPN
- STL
1 stop5h 59m
Delta
Tue 4/146:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/12![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 3/12. 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.
Sun 4/56:00 am
HPN
- STL
1 stop6h 09m
Delta
Sat 4/186:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/12![Delta logo]()
$426
This Delta deal was found by Cheapflights users on 3/12. 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.
Sun 4/56:00 am
HPN
- STL
1 stop6h 09m
Delta
Mon 4/136:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/12![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 3/12. 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 5/296:40 pm
HPN
- STL
1 stop6h 19m
Delta
Sun 5/316:00 am
STL
- HPN
1 stop5h 02m
Delta
Deal found 3/12![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 3/9. 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.
Sat 4/186:00 am
HPN
- STL
1 stop5h 34m
Delta
Mon 4/206:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/9![Delta logo]()
$478
This Delta deal was found by Cheapflights users on 3/12. 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 3/246:59 pm
HPN
- STL
1 stop5h 59m
Delta
Sun 3/296:00 am
STL
- HPN
1 stop5h 03m
Delta
Deal found 3/12![Delta logo]()
$481
Last-minute flights from White Plains to St. LouisDiscover last-minute flight deals from White Plains to St. Louis. Data last updated March 14, 2026 and is based on user searches.
Discover last-minute flight deals from White Plains to St. Louis. Data last updated March 14, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/10. 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 4/76:59 pm
HPN
- STL
1 stop5h 59m
Delta
Sat 4/186:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/10![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 3/10. 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 4/76:59 pm
HPN
- STL
1 stop5h 59m
Delta
Mon 4/1310:50 am
STL
- HPN
1 stop3h 59m
Delta
Deal found 3/10![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 3/12. 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 4/76:59 pm
HPN
- STL
1 stop5h 59m
Delta
Wed 4/157:25 am
STL
- HPN
1 stop6h 04m
Delta
Deal found 3/12![Delta logo]()
$367
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Thu 4/95:59 pm
HPN
- STL
1 stop5h 18m
American Airlines
Thu 4/167:05 am
STL
- HPN
1 stop7h 43m
American Airlines
Deal found 3/10![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Fri 4/105:59 pm
HPN
- STL
1 stop5h 18m
American Airlines
Sun 4/125:51 am
STL
- HPN
1 stop4h 38m
American Airlines
Deal found 3/10![American Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 3/10. 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.
Sat 4/115:15 pm
HPN
- STL
1 stop4h 51m
Delta
Wed 4/156:00 am
STL
- HPN
1 stop5h 00m
Delta
Deal found 3/10![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 3/12. 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.
Sat 4/116:59 pm
HPN
- STL
1 stop5h 59m
Delta
Sat 4/186:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/12![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 3/10. 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.
Sat 4/115:15 pm
HPN
- STL
1 stop4h 51m
Delta
Mon 4/1310:50 am
STL
- HPN
1 stop3h 59m
Delta
Deal found 3/10![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 3/12. 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.
Sat 4/116:59 pm
HPN
- STL
1 stop5h 59m
Delta
Tue 4/146:48 am
STL
- HPN
1 stop4h 01m
Delta
Deal found 3/12![Delta logo]()
$341
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:59 pm
HPN
- STL
1 stop5h 18m
American Airlines
Mon 4/205:51 am
STL
- HPN
1 stop4h 38m
American Airlines
Deal found 3/9![American Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 3/9. 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.
Thu 4/236:00 am
HPN
- STL
1 stop5h 34m
Delta
Sat 4/257:25 am
STL
- HPN
1 stop6h 04m
Delta
Deal found 3/9![Delta logo]()
$308
One-way flights from White Plains to St. LouisSearch for one-way flight options from White Plains to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 14, 2026.
Search for one-way flight options from White Plains to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 14, 2026.
This Delta deal was found by Cheapflights users on 3/9. 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.
Sun 5/106:00 am
HPN
- STL
1 stop7h 20m
Delta
Deal found 3/9![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 3/10. 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.
Mon 4/135:20 pm
HPN
- STL
1 stop4h 24m
Delta
Deal found 3/10![Delta logo]()
$169
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:29 pm
HPN
- STL
1 stop7h 36m
American Airlines
Deal found 3/9![American Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:00 am
HPN
- STL
2 stops23h 50m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$196
This Delta deal was found by Cheapflights users on 3/9. 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.
Mon 3/236:59 pm
HPN
- STL
1 stop5h 59m
Delta
Deal found 3/9![Delta logo]()
$209
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Sat 3/284:30 pm
HPN
- STL
1 stop5h 41m
American Airlines
Deal found 3/10![American Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 3/10. 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.
Sun 4/125:17 pm
HPN
- STL
1 stop4h 25m
Delta
Deal found 3/10![Delta logo]()
$240
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 3/1812:35 pm
HPN
- STL
1 stop4h 57m
Delta
Deal found 3/9![Delta logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/612:08 pm
HPN
- STL
2 stops12h 17m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$285
Find 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 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (American Airlines) |
One-way from | $159 (Delta) |
Popular in | January |
Cheapest in | August |
Average price | $425 |
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 14, 2026.
Use the filters below to find and compare flights from White Plains to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
White PlainsSt. Louis
HPN - STL
HPNSTL
White Plains Westchester County
Thu 4/23
6:00 am-10:34 am
1 stop5h 34m
Lambert-St Louis
Sat 4/25
7:25 am-2:29 pm
1 stop6h 04m
$308
White PlainsSt. Louis
HPN - STL
HPNSTL
White Plains Westchester County
Sat 4/11
6:59 pm-11:58 pm
1 stop5h 59m
Lambert-St Louis
Sat 4/18
6:48 am-11:49 am
1 stop4h 01m
$321
White PlainsSt. Louis
HPN - STL
HPNSTL
White Plains Westchester County
Thu 4/23
6:00 am-10:34 am
1 stop5h 34m
Lambert-St Louis
Sun 4/26
6:00 am-12:00 pm
1 stop5h 00m
$337
Quickest round-trip
White PlainsSt. Louis
HPN - STL
HPNSTL
White Plains Westchester County
Mon 4/13
5:20 pm-8:44 pm
1 stop4h 24m
Lambert-St Louis
Mon 4/20
6:48 am-11:49 am
1 stop4h 01m
$337
White PlainsSt. Louis
HPN - STL
HPNSTL
White Plains Westchester County
Tue 4/7
5:17 pm-8:42 pm
1 stop4h 25m
Lambert-St Louis
Thu 4/16
6:48 am-11:49 am
1 stop4h 01m
$357
White PlainsSt. Louis
HPN - STL
HPNSTL
White Plains Westchester County
Wed 4/1
5:17 pm-8:42 pm
1 stop4h 25m
Lambert-St Louis
Sat 4/4
6:32 am-11:43 am
1 stop4h 11m
$377
White PlainsSt. Louis
HPN - STL
HPNSTL
White Plains Westchester County
Thu 4/9
6:59 pm-11:58 pm
1 stop5h 59m
Lambert-St Louis
Tue 4/14
6:48 am-11:49 am
1 stop4h 01m
$399
White PlainsSt. Louis
HPN - STL
HPNSTL
White Plains Westchester County
Sun 4/5
6:00 am-11:09 am
1 stop6h 09m
Lambert-St Louis
Sat 4/18
6:48 am-11:49 am
1 stop4h 01m
$426
White PlainsSt. Louis
HPN - STL
HPNSTL
White Plains Westchester County
Sun 4/5
6:00 am-11:09 am
1 stop6h 09m
Lambert-St Louis
Mon 4/13
6:48 am-11:49 am
1 stop4h 01m
$434
White PlainsSt. Louis
HPN - STL
HPNSTL
White Plains Westchester County
Fri 5/29
6:40 pm-11:59 pm
1 stop6h 19m
Lambert-St Louis
Sun 5/31
6:00 am-12:02 pm
1 stop5h 02m
$448
Showing 1-10 of 23 resultsSorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
HPN-STL
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
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 14, 2026.
Read through reviews of airlines operating flights from White Plains to St. Louis, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentKymberlee,Oct 2024
JFK - ATL
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentKymberlee,Oct 2024
JFK - ATL
Entertainment
7.8
Overall
7.9
Comfort
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentKymberlee,Oct 2024
JFK - ATL
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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White Plains and St. Louis flights
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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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$415 | FlexibilityNo cancel fee | On-time71% |