$57+ Cheap flights from New York, NY (NYC) to St. Charles, MO
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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
NYC — STL
Mar 6 — Mar 131
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from New York to St. Charles 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.Cheapflights Tip: The best prices from New York to St. Charles are usually found in March or August, booked 79 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from New York to St. Charles
Cheapest
Best
Last-minute
One-way
Cheapest flights from New York to St. CharlesExplore the most affordable flight options available from New York to St. Charles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
Explore the most affordable flight options available from New York to St. Charles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:15 am
EWR
- STL
1 stop26h 36m
Multiple Airlines
Mon 2/238:22 pm
STL
- EWR
1 stop26h 07m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Tue 2/243:00 pm
EWR
- STL
1 stop8h 27m
Multiple Airlines
Mon 3/28:22 pm
STL
- EWR
1 stop10h 43m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 pm
EWR
- STL
1 stop13h 51m
Multiple Airlines
Mon 3/92:09 pm
STL
- EWR
1 stop6h 21m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:00 pm
EWR
- STL
1 stop8h 27m
Multiple Airlines
Wed 3/1111:32 am
STL
- EWR
1 stop8h 58m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:31 pm
EWR
- STL
1 stop9h 20m
Multiple Airlines
Wed 2/258:17 pm
STL
- EWR
1 stop10h 48m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
EWR
- STL
1 stop6h 49m
Frontier
Wed 3/1111:32 am
STL
- EWR
1 stop8h 58m
Frontier
Deal found 2/2![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:31 pm
EWR
- STL
1 stop14h 18m
Frontier
Mon 3/92:09 pm
STL
- EWR
1 stop9h 54m
Frontier
Deal found 2/3![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:45 pm
EWR
- STL
1 stop9h 06m
Multiple Airlines
Mon 2/238:22 pm
STL
- EWR
1 stop26h 07m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 pm
EWR
- STL
1 stop13h 51m
Multiple Airlines
Tue 3/104:51 pm
STL
- EWR
1 stop15h 09m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:15 am
EWR
- STL
1 stop26h 36m
Multiple Airlines
Fri 2/208:20 pm
STL
- EWR
1 stop10h 45m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$137
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:00 pm
LGA
- STL
1 stop9h 50m
Frontier
Fri 5/84:55 pm
STL
- LGA
1 stop22h 05m
Frontier
Deal found 2/2![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 2/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:00 pm
JFK
- STL
1 stop11h 19m
Frontier
Fri 5/84:55 pm
STL
- JFK
1 stop17h 55m
Frontier
Deal found 2/2![Frontier logo]()
$266
Best flights from New York to St. CharlesDiscover carefully curated flight deals from New York to St. Charles that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from New York to St. Charles that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This Delta deal was found by Cheapflights users on 2/4. 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 4/811:55 am
EWR
- STL
1 stop5h 21m
Delta
Sat 4/1110:50 am
STL
- EWR
1 stop4h 09m
Delta
Deal found 2/4![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:58 pm
EWR
- STL
Nonstop3h 01m
United Airlines
Sat 3/77:41 am
STL
- EWR
1 stop5h 25m
United Airlines
Deal found 2/1![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:30 pm
LGA
- STL
Nonstop3h 00m
Southwest
Tue 3/106:35 pm
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 2/2![Southwest logo]()
$278
This CheapOair deal was found by Cheapflights users on 2/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:00 pm
JFK
- STL
1 stop11h 19m
Frontier
Fri 5/84:55 pm
STL
- JFK
1 stop17h 55m
Frontier
Deal found 2/4![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2211:48 am
SWF
- STL
1 stop20h 14m
Multiple Airlines
Thu 3/264:51 pm
STL
- SWF
1 stop15h 06m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/192:30 pm
EWR
- STL
1 stop7h 11m
Delta
Sun 2/226:35 am
STL
- EWR
1 stop4h 34m
Delta
Deal found 2/3![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/272:30 pm
EWR
- STL
1 stop7h 11m
Delta
Sun 3/16:35 am
STL
- EWR
1 stop4h 34m
Delta
Deal found 2/3![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 2/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:30 am
LGA
- STL
Nonstop2h 55m
Southwest
Wed 3/116:35 pm
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 2/3![Southwest logo]()
$279
This CheapOair deal was found by Cheapflights users on 2/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:03 am
JFK
- STL
1 stop13h 56m
Frontier
Mon 2/233:49 pm
STL
- JFK
1 stop22h 40m
Frontier
Deal found 2/4![Frontier logo]()
$282
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:47 pm
EWR
- STL
Nonstop3h 04m
United Airlines
Mon 3/97:40 am
STL
- EWR
1 stop5h 26m
United Airlines
Deal found 2/3![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:15 am
LGA
- STL
Nonstop3h 00m
Southwest
Sat 3/77:40 pm
STL
- LGA
Nonstop2h 15m
Southwest
Deal found 2/1![Southwest logo]()
$280
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:30 pm
LGA
- STL
Nonstop2h 59m
Delta
Thu 3/121:34 pm
STL
- LGA
Nonstop2h 26m
Delta
Deal found 2/3![Delta logo]()
$278
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:59 pm
EWR
- STL
Nonstop2h 28m
United Airlines
Fri 8/75:29 pm
STL
- EWR
1 stop5h 01m
United Airlines
Deal found 2/2![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:00 am
LGA
- STL
Nonstop3h 00m
Southwest
Wed 4/85:15 am
STL
- LGA
1 stop9h 15m
Southwest
Deal found 2/2![Southwest logo]()
$288
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:55 am
LGA
- STL
Nonstop3h 02m
Delta
Wed 3/116:10 am
STL
- LGA
Nonstop2h 24m
Delta
Deal found 2/3![Delta logo]()
$278
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:00 am
LGA
- STL
1 stop8h 55m
Southwest
Sun 3/86:30 am
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 2/2![Southwest logo]()
$288
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:47 pm
EWR
- STL
Nonstop3h 04m
United Airlines
Sun 3/295:00 am
STL
- EWR
1 stop6h 20m
United Airlines
Deal found 2/3![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:06 am
LGA
- STL
Nonstop2h 59m
Delta
Sat 4/257:20 am
STL
- LGA
Nonstop2h 30m
Delta
Deal found 2/3![Delta logo]()
$278
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:59 pm
EWR
- STL
Nonstop2h 28m
United Airlines
Sun 5/246:00 am
STL
- EWR
1 stop5h 06m
United Airlines
Deal found 2/2![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:55 am
LGA
- STL
Nonstop2h 49m
Delta
Wed 4/85:15 pm
STL
- LGA
Nonstop2h 20m
Delta
Deal found 2/3![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:47 pm
EWR
- STL
Nonstop3h 04m
United Airlines
Sat 3/287:00 am
STL
- EWR
Nonstop2h 29m
United Airlines
Deal found 2/3![United Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 2/4. 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 5/57:45 am
LGA
- STL
Nonstop2h 52m
Delta
Fri 5/86:00 am
STL
- LGA
Nonstop2h 28m
Delta
Deal found 2/4![Delta logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:38 am
SWF
- STL
1 stop14h 41m
Multiple Airlines
Sat 5/164:55 pm
STL
- SWF
1 stop15h 03m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 2/2. 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.
Sat 7/43:30 pm
LGA
- STL
Nonstop2h 48m
Delta
Mon 7/65:45 pm
STL
- LGA
1 stop4h 58m
Delta
Deal found 2/2![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 2/2. 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 6/306:59 am
LGA
- STL
Nonstop2h 45m
Delta
Mon 7/65:30 pm
STL
- LGA
1 stop5h 20m
Delta
Deal found 2/2![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:10 pm
JFK
- STL
Nonstop2h 55m
Delta
Sat 5/165:15 pm
STL
- JFK
1 stop6h 51m
Delta
Deal found 2/3![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:25 pm
JFK
- STL
1 stop7h 09m
Delta
Wed 7/85:00 pm
STL
- JFK
Nonstop2h 28m
Delta
Deal found 2/3![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:55 pm
JFK
- STL
Nonstop2h 45m
Delta
Mon 7/135:00 pm
STL
- JFK
Nonstop2h 28m
Delta
Deal found 2/3![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 6/112:55 pm
JFK
- STL
Nonstop2h 45m
Delta
Mon 6/155:00 pm
STL
- JFK
Nonstop2h 28m
Delta
Deal found 2/2![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:00 am
EWR
- STL
1 stop6h 02m
Delta
Sun 3/86:32 am
STL
- EWR
1 stop4h 31m
Delta
Deal found 2/3![Delta logo]()
$305
Last-minute flights from New York to St. CharlesDiscover last-minute flight deals from New York to St. Charles. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from New York to St. Charles. Data last updated February 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:15 am
EWR
- STL
1 stop26h 36m
Multiple Airlines
Fri 2/208:20 pm
STL
- EWR
1 stop10h 45m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:45 pm
EWR
- STL
1 stop9h 06m
Multiple Airlines
Mon 2/238:22 pm
STL
- EWR
1 stop26h 07m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:15 am
EWR
- STL
1 stop26h 36m
Multiple Airlines
Mon 2/238:22 pm
STL
- EWR
1 stop26h 07m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:44 pm
LGA
- STL
1 stop11h 07m
Frontier
Sat 2/218:17 pm
STL
- LGA
1 stop18h 42m
Frontier
Deal found 2/3![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Tue 2/243:00 pm
EWR
- STL
1 stop8h 27m
Multiple Airlines
Mon 3/28:22 pm
STL
- EWR
1 stop10h 43m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2410:31 pm
EWR
- STL
1 stop9h 20m
Multiple Airlines
Wed 2/258:17 pm
STL
- EWR
1 stop10h 48m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 pm
EWR
- STL
1 stop13h 51m
Multiple Airlines
Mon 3/92:09 pm
STL
- EWR
1 stop6h 21m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 pm
EWR
- STL
1 stop13h 51m
Multiple Airlines
Tue 3/104:51 pm
STL
- EWR
1 stop15h 09m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:00 pm
EWR
- STL
1 stop8h 27m
Multiple Airlines
Wed 3/1111:32 am
STL
- EWR
1 stop8h 58m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:31 pm
EWR
- STL
1 stop14h 18m
Frontier
Mon 3/92:09 pm
STL
- EWR
1 stop9h 54m
Frontier
Deal found 2/3![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
EWR
- STL
1 stop6h 49m
Frontier
Wed 3/1111:32 am
STL
- EWR
1 stop8h 58m
Frontier
Deal found 2/2![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/264:30 pm
LGA
- STL
2 stops18h 19m
Frontier
Tue 3/3111:27 am
STL
- LGA
1 stop8h 32m
Frontier
Deal found 2/3![Frontier logo]()
$268
One-way flights from New York to St. CharlesSearch for one-way flight options from New York to St. Charles. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from New York to St. Charles. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Trip.com deal was found by Cheapflights users on 2/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:15 am
EWR
- STL
1 stop26h 36m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$57
This Trip.com deal was found by Cheapflights users on 2/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:15 am
EWR
- STL
1 stop26h 36m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$58
This Trip.com deal was found by Cheapflights users on 2/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:31 pm
EWR
- STL
1 stop9h 20m
Frontier
Deal found 2/2![Frontier logo]()
$59
This Trip.com deal was found by Cheapflights users on 2/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:00 pm
EWR
- STL
1 stop8h 27m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$60
This Trip.com deal was found by Cheapflights users on 2/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:59 am
EWR
- STL
1 stop25h 52m
Frontier
Deal found 2/2![Frontier logo]()
$61
This Trip.com deal was found by Cheapflights users on 2/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:15 am
EWR
- STL
1 stop6h 22m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:15 am
EWR
- STL
1 stop26h 36m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$63
This WAYA deal was found by Cheapflights users on 2/4. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
EWR
- STL
1 stop6h 49m
Frontier
Deal found 2/4![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Wed 2/2510:30 pm
EWR
- STL
1 stop26h 29m
Frontier
Deal found 2/4![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Tue 3/1010:30 pm
EWR
- STL
1 stop13h 07m
Frontier
Deal found 2/4![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 3/96:00 am
EWR
- STL
1 stop8h 19m
Frontier
Deal found 2/4![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:50 am
EWR
- STL
1 stop26h 01m
Frontier
Deal found 2/2![Frontier logo]()
$69
Find flight deals from New York to St. Charles
Keep the following information in mind while searching for New York to St. Charles flight deals. Data was last updated February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $123 (Kiwi.com) |
One-way from | $57 (Trip.com) |
Popular in | November |
Cheapest in | March |
Average price | $323 |
Cheapflights Fare Finder
Customize your flight search to find flights from New York to St. Charles 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 February 4, 2026.
Use the filters below to find and compare flights from New York to St. Charles that are best for you.
Fly from
New York
Fly to
St. Charles
Route
Depart
Return
Price
NewarkSt. Louis
EWR - STL
EWRSTL
Newark
Wed 4/8
11:55 am-4:16 pm
1 stop5h 21m
Lambert-St Louis
Sat 4/11
10:50 am-3:59 pm
1 stop4h 09m
$197
NewarkSt. Louis
EWR - STL
EWRSTL
Newark
Thu 2/19
2:30 pm-8:41 pm
1 stop7h 11m
Lambert-St Louis
Sun 2/22
6:35 am-12:09 pm
1 stop4h 34m
$217
NewarkSt. Louis
EWR - STL
EWRSTL
Newark
Fri 2/27
2:30 pm-8:41 pm
1 stop7h 11m
Lambert-St Louis
Sun 3/1
6:35 am-12:09 pm
1 stop4h 34m
$217
NewarkSt. Louis
EWR - STL
EWRSTL
Newark
Wed 3/4
9:58 pm-11:59 pm
Nonstop3h 01m
Lambert-St Louis
Sat 3/7
7:41 am-2:06 pm
1 stop5h 25m
$269
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Fri 3/6
6:30 pm-8:30 pm
Nonstop3h 00m
Lambert-St Louis
Tue 3/10
6:35 pm-9:55 pm
Nonstop2h 20m
$278
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Sat 3/7
3:30 pm-5:29 pm
Nonstop2h 59m
Lambert-St Louis
Thu 3/12
1:34 pm-5:00 pm
Nonstop2h 26m
$278
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Thu 3/5
6:55 am-8:57 am
Nonstop3h 02m
Lambert-St Louis
Wed 3/11
6:10 am-9:34 am
Nonstop2h 24m
$278
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Thu 4/23
10:06 am-12:05 pm
Nonstop2h 59m
Lambert-St Louis
Sat 4/25
7:20 am-10:50 am
Nonstop2h 30m
$278
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Wed 3/11
8:30 am-10:25 am
Nonstop2h 55m
Lambert-St Louis
Wed 3/11
6:35 pm-9:55 pm
Nonstop2h 20m
$279
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Wed 3/4
6:15 am-8:15 am
Nonstop3h 00m
Lambert-St Louis
Sat 3/7
7:40 pm-10:55 pm
Nonstop2h 15m
$280
Showing 1-10 of 60 results
Best time to book a flight from New York to St. Charles
Have a flexible travel schedule? Discover the best time to fly to St. Charles from New York with our price prediction graph.
EWR-STL
LGA-STL
JFK-STL
SWF-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 New York to St. Charles
NYC-CH5
EWR-STL
LGA-STL
JFK-STL
SWF-STL
How far ahead should I book a flight from New York to St. Charles?
Use this chart to determine the optimal time to book a round-trip flight from New York to St. Charles. Price data was last updated on January 30, 2026.
The best time to book flights from New York to St. Charles is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from New York to St. Charles?
Currently, March is the cheapest month in which you can book a flight from New York to St. Charles (average of $59). Flying from New York to St. Charles in December is currently the most expensive (average of $257). 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.
What is the cheapest time of day to fly from NYC to CH5?
Find hourly flight availability from New York to St. Charles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 4, 2026.
When flying from New York to St. Charles, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 2% versus a flight in the morning.
What is the cheapest day to fly from New York to St. Charles?
Use this chart to determine the cheapest time to fly round-trip from New York to St. Charles. Price data was last updated on January 31, 2026.
Travelers seeking maximum savings on their New York to St. Charles flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from New York to St. Charles
Explore weekly flight availability from New York to St. Charles. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 4, 2026.
The most flights from NYC to CH5 are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
Reviews of airlines servicing St. Charles
Get insights into the airlines that provide service to St. Charles. 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. Charles. Reviews last updated February 4, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from New York to St. Charles. 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.
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from New York to St. Charles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from New York
Popular flights
Alternative routes for New York to St. Charles
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to St. Charles by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New York to St. Charles by cabin class
Find flights from New York to St. Charles, based on your preferred cabin class, be it economy, premium economy, business, or first class.
New York and St. Charles flights
Browse other New York and St. Charles flight options. Last updated on February 4, 2026.
Other flights from New York
Browse through other flights departing from New York. Flights are based on user searches made on Cheapflights and were last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from New York to St. Charles
Discover the top 5 airlines that operate flights from New York to St. Charles. 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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$163 | Average$337 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$420 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$329 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$245 | Average$401 | FlexibilityNo cancel fee | On-time69% |