St. Charles

$60+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
Feb 23 — Mar 21
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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 February 18, 2025.

Popular in

December

Cheapest in

January

Average price

$321

Round-trip from

$191

One-way from

$60
Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in February 2025
From New York to Lambert-St Louis
One-way flight from New York to St. Charles

Find flight deals to St. Charles

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 February 18, 2025.

Tue 3/1110:58 amLGA - STL
1 stop6h 44mSpirit Airlines
Thu 3/135:38 pmSTL - LGA
1 stop14h 22mSpirit Airlines
Deal found 2/17$191
Mon 3/316:54 pmLGA - STL
1 stop23h 58mMultiple Airlines
Wed 4/24:57 pmSTL - LGA
1 stop16h 05mMultiple Airlines
Deal found 2/18$194
Sat 3/15:59 pmLGA - STL
1 stop6h 44mFrontier
Thu 3/205:24 pmSTL - LGA
1 stop27h 36mFrontier
Deal found 2/18$196
Sat 4/53:40 pmLGA - STL
Nonstop2h 55mSouthwest
Mon 4/76:20 amSTL - LGA
Nonstop2h 20mSouthwest
Deal found 2/17$197
Tue 3/187:15 amJFK - STL
1 stop6h 53mDelta
Tue 3/185:30 pmSTL - JFK
1 stop6h 17mDelta
Deal found 2/17$197
Sat 3/17:59 amJFK - STL
1 stop12h 53mFrontier
Mon 3/311:08 pmSTL - JFK
1 stop30h 22mFrontier
Deal found 2/18$198
Wed 3/127:01 amLGA - STL
1 stop5h 23mAmerican Airlines
Wed 3/125:10 pmSTL - LGA
Nonstop2h 22mAmerican Airlines
Deal found 2/17$217
Fri 4/411:57 amJFK - STL
1 stop7h 20mAmerican Airlines
Mon 4/77:35 amSTL - JFK
1 stop6h 23mAmerican Airlines
Deal found 2/17$217
Wed 7/211:25 amLGA - STL
1 stop5h 17mUnited Airlines
Sat 7/125:27 pmSTL - LGA
1 stop4h 55mUnited Airlines
Deal found 2/18$236
Sat 4/59:59 amLGA - STL
Nonstop2h 56mDelta
Sun 4/66:10 amSTL - LGA
Nonstop2h 22mDelta
Deal found 2/18$242
Tue 3/187:20 amEWR - STL
1 stop5h 52mUnited Airlines
Tue 3/185:33 pmSTL - EWR
Nonstop2h 26mUnited Airlines
Deal found 2/17$257
Thu 5/15:30 amEWR - STL
2 stops15h 40mMultiple Airlines
Sun 5/412:15 pmSTL - EWR
2 stops32h 45mMultiple Airlines
Deal found 2/18$259

Find flights to St. Charles within your budget

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 February 18, 2025.

Fly from

New York

Route

Depart

Return

Price

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 3/11

10:58 am-4:42 pm

1 stop6h 44m

Lambert-St Louis

Thu 3/13

5:38 pm-9:00 am

1 stop14h 22m

$191

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Mon 3/31

6:54 pm-5:52 pm

1 stop23h 58m

Lambert-St Louis

Wed 4/2

4:57 pm-10:02 am

1 stop16h 05m

$194

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 3/1

5:59 pm-11:43 pm

1 stop6h 44m

Lambert-St Louis

Thu 3/20

5:24 pm-10:00 pm

1 stop27h 36m

$196

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 4/5

3:40 pm-5:35 pm

Nonstop2h 55m

Lambert-St Louis

Mon 4/7

6:20 am-9:40 am

Nonstop2h 20m

$197

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Tue 3/18

7:15 am-1:08 pm

1 stop6h 53m

Lambert-St Louis

Tue 3/18

5:30 pm-12:47 am

1 stop6h 17m

$197

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Sat 3/1

7:59 am-7:52 pm

1 stop12h 53m

Lambert-St Louis

Mon 3/3

11:08 pm-6:30 am

1 stop30h 22m

$198

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 3/12

7:01 am-11:24 am

1 stop5h 23m

Lambert-St Louis

Wed 3/12

5:10 pm-8:32 pm

Nonstop2h 22m

$217

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 4/4

11:57 am-6:17 pm

1 stop7h 20m

Lambert-St Louis

Mon 4/7

7:35 am-2:58 pm

1 stop6h 23m

$217

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 4/5

9:59 am-11:55 am

Nonstop2h 56m

Lambert-St Louis

Sun 4/6

6:10 am-9:32 am

Nonstop2h 22m

$242

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 3/18

7:20 am-12:12 pm

1 stop5h 52m

Lambert-St Louis

Tue 3/18

5:33 pm-8:59 pm

Nonstop2h 26m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 37 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.

Travel insights for flights to St. Charles

Get recent, data-driven insights about flights to St. Charles including ideal travel times, pricing trends, and more.

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 February 14, 2025.

The best time to book flights to St. Charles is 52 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 9 hours 52 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 Tuesday evenings, when prices are typically cheapest. Budget-minded travelers will want to avoid Sunday mornings, when prices are usually at their highest.

Weekly flight availability to St. Charles

The most flights from New York to St. Charles are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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

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

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 February 18, 2025.
Peruse reviews from past customers who have flown Southwest, Alaska Airlines and Delta to St. Charles to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Overall

8.1

Boarding

8.2