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St. Charles

$55+ Cheap flights to St. Charles

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheapest flights to St. Charles
Explore the most affordable flight options available to St. Charles. Find the lowest fares based on data from user searches, with prices last updated on octubre 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
vie. 11/211:00 pmEWR - STL
1 stop20h 57mMultiple Airlines
lun. 11/247:04 pmSTL - EWR
1 stop14h 44mMultiple Airlines
Deal found 10/30$240
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
jue. 11/136:45 pmEWR - STL
1 stop22h 16mMultiple Airlines
dom. 11/162:12 pmSTL - EWR
1 stop20h 08mMultiple Airlines
Deal found 10/30$241
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
jue. 11/206:00 amEWR - STL
2 stops18h 57mFrontier
dom. 11/233:14 pmSTL - EWR
1 stop8h 19mFrontier
Deal found 10/29$242
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
jue. 11/202:38 pmEWR - STL
2 stops21h 38mMultiple Airlines
dom. 11/233:14 pmSTL - EWR
1 stop8h 19mMultiple Airlines
Deal found 10/29$244
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:38 amEWR - STL
1 stop12h 19mSpirit Airlines
dom. 11/166:21 pmSTL - EWR
1 stop16h 47mSpirit Airlines
Deal found 10/29$246
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/105:15 amEWR - STL
3 stops33h 37mSpirit Airlines
dom. 12/142:47 pmSTL - EWR
1 stop17h 15mSpirit Airlines
Deal found 10/29$247
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
sáb. 11/1511:30 amEWR - STL
2 stops22h 37mMultiple Airlines
sáb. 11/229:52 amSTL - EWR
1 stop13h 39mMultiple Airlines
Deal found 10/30$248
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
mié. 12/3110:00 amJFK - STL
1 stop24h 40mFrontier
lun. 1/57:43 pmSTL - JFK
1 stop18h 44mFrontier
Deal found 10/28$251
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
mar. 11/186:45 pmEWR - STL
1 stop29h 16mMultiple Airlines
vie. 11/214:13 pmSTL - EWR
1 stop7h 08mMultiple Airlines
Deal found 10/29$252
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
lun. 12/296:20 amJFK - STL
1 stop28h 20mFrontier
sáb. 1/105:11 pmSTL - JFK
1 stop15h 49mFrontier
Deal found 10/28$252
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
vie. 11/216:46 pmLGA - STL
1 stop15h 11mSpirit Airlines
dom. 11/2311:08 amSTL - LGA
1 stop21h 52mSpirit Airlines
Deal found 10/27$253
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
sáb. 11/151:20 pmLGA - STL
2 stops20h 47mMultiple Airlines
sáb. 11/229:52 amSTL - LGA
1 stop12h 29mMultiple Airlines
Deal found 10/29$254

Flights to St. Charles in 2025

Find the latest flights to St. Charles in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on octubre 30, 2025.

Popular in

December

Cheapest in

January

Average price

$397

Round-trip from

$226

One-way from

$55
Highest demand for flights based on searches. 10% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
From New York to Lambert-St Louis
Search Deals
One-way flight from New York to St. Charles
Search Deals

Cheapflights Fare Finder

 
Locate flights to St. Charles that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on octubre 30, 2025.
Use the filters below to find and compare flights to St. Charles that are best for you.

Fly from

New York

Route

Depart

Return

Price

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

vie. 11/21

1:00 pm-8:57 am

1 stop20h 57m

Lambert-St Louis

lun. 11/24

7:04 pm-10:48 am

1 stop14h 44m

$251

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

jue. 12/4

6:30 am-8:20 am

Nonstop2h 50m

Lambert-St Louis

mar. 12/9

6:05 am-9:33 am

Nonstop2h 28m

$261

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

jue. 1/15

6:05 pm-8:06 pm

Nonstop3h 01m

Lambert-St Louis

lun. 1/19

1:05 pm-4:30 pm

Nonstop2h 25m

$281

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

mar. 1/13

2:40 pm-4:39 pm

Nonstop2h 59m

Lambert-St Louis

mié. 1/14

6:25 am-9:54 am

Nonstop2h 29m

$281

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

jue. 1/1

9:54 pm-11:43 pm

Nonstop2h 49m

Lambert-St Louis

dom. 1/4

7:00 am-10:25 am

Nonstop2h 25m

$282

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

mié. 12/17

9:44 pm-11:42 pm

Nonstop2h 58m

Lambert-St Louis

mar. 12/23

7:00 am-10:25 am

Nonstop2h 25m

$285

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

vie. 2/20

7:45 am-12:25 pm

1 stop5h 40m

Lambert-St Louis

lun. 2/23

5:41 pm-9:11 pm

Nonstop2h 30m

$286

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

mar. 4/21

7:00 am-10:45 am

1 stop4h 45m

Lambert-St Louis

vie. 5/1

7:05 pm-1:03 am

1 stop4h 58m

$287

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

mié. 12/31

7:15 am-12:27 pm

1 stop6h 12m

Lambert-St Louis

sáb. 1/3

6:35 pm-12:29 am

1 stop4h 54m

$288

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

mié. 12/3

2:35 pm-4:35 pm

Nonstop3h 00m

Lambert-St Louis

sáb. 12/6

4:25 pm-8:07 pm

Nonstop2h 42m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 results
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Best time to book a flight to St. Charles

Have a flexible travel schedule? Discover the best time to fly to St. Charles with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to St. Charles

When is the best time to book a flight 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 October 24, 2025.

The best time to book flights to St. Charles is 76 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.

How long is the flight to St. Charles?

On average, a flight from New York to St. Charles takes 4 hours 59 minutes. Flights to St. Charles from other popular cities in USA will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly 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 December 16, 2024.

Users looking for the lowest fares to St. Charles should consider flying on Wednesday mornings, when prices are typically cheapest. Budget-minded travelers will want to avoid Sunday afternoons, when prices are usually at their highest.

What are the most popular airlines that fly to St. Charles?

The most popular airlines flying from New York to St. Charles are United Airlines, Delta and American Airlines.

Southwest
Southwest
From $77
American Airlines
American Airlines
From $91
Delta
Delta
From $121
United Airlines
United Airlines
From $127

What are the cheapest airlines that fly to St. Charles?

The cheapest airlines flying from New York to St. Charles are Frontier, Spirit Airlines and Delta.

Rainfall in St. Charles by month

Plan your trip to St. Charles by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Charles ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Charles when rainfall is around 2.2 in.

Temperature in St. Charles by month

Plan your trip to St. Charles by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Charles, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 octubre 30, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines to the United States. 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.
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

FAQs about flying to St. Charles

  • Can I find cheaper flights to St. Charles if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Charles on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to St. Charles?

    Based on reviews from Cheapflights users, Frontier is rated the highest out of the airlines that fly to St. Charles.

  • How much is a round-trip flight to St. Charles?

    A round-trip flight to St. Charles will typically cost around $61, however they can be found for as little as $61.

  • Where does the fastest flight to St. Charles depart from?

    For those looking to save time traveling to St. Charles, Kansas City offers the quickest one-way flight (1 hour 0 minutes).

  • Does Lambert-St Louis have rental cars?

    Yes. Those touching down at Lambert-St Louis can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Lambert-St Louis?

    Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 mi away from Lambert-St Louis).

See more FAQs

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