Cheap flights from Harrisburg to St. Louis (MDT - STL)

MDT — STL
Nov 28 — Dec 51

How to find the cheapest flight from Harrisburg (MDT) to St. Louis (STL)

All the information you need to plan the best MDT to STL flight in 2022: compare Harrisburg to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

MDT - STL

Price

$247 - $552

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

Popular inJulyHigh demand for flights, 21% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 43% potential price drop
Round-trip from$247From Harrisburg to Lambert-St Louis
One-way from$106One-way flight from Harrisburg to Lambert-St Louis

What is the cheapest day to fly round-trip from Harrisburg to St. Louis?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 54% on your flight compared to booking on days when demand is much higher.

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

January is one of the best times of the year to fly to St. Louis from Harrisburg. Prices for January average $436 per person but you can even find prices for as low as $171. The most expensive prices can be found in the month of July. Opting for a January flight can save you 26% on your journey compared to booking in July

When is the cheapest time to fly from Harrisburg to St. Louis (MDT - STL)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 10% on flights from Harrisburg to St. Louis by exploring options for tickets at noon.

Cheap flights from Harrisburg to St. Louis in November, December 2022

The best prices found for MDT to STL flights for November, December
Dec 2 - Dec 10
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

16h 43m
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

21h 10m
$246

Multiple Airlines

Pick Dates

Deal found 11/22

Dec 2 - Dec 10
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

16h 43m
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

5h 29m
$257

Multiple Airlines

Pick Dates

Deal found 11/22

Dec 9 - Dec 12
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

17h 19m
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

35h 21m
$268

Frontier

Pick Dates

Deal found 11/22

Harrisburg to St. Louis 2022 flight deals

Cheap flights to St. Louis from Harrisburg found for this year
Dec 2 - Dec 10
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

16h 43m
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

21h 10m
$246

Multiple Airlines

Pick Dates

Deal found 11/22

Dec 2 - Dec 10
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

16h 43m
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

5h 29m
$257

Multiple Airlines

Pick Dates

Deal found 11/22

Dec 9 - Dec 12
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

17h 19m
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

35h 21m
$268

Frontier

Pick Dates

Deal found 11/22

Cheap United Airlines flights from Harrisburg to St. Louis

Feb 26 - Mar 1
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

4h 32m
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

5h 46m
$319

United Airlines

Pick Dates

Deal found 11/22

Jan 6 - Jan 9
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

5h 06m
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

4h 31m
$322

United Airlines

Pick Dates

Deal found 11/22

Jan 6 - Jan 9
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

5h 06m
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

12h 07m
$346

United Airlines

Pick Dates

Deal found 11/23

Cheap American Airlines flights from Harrisburg to St. Louis

Dec 1 - Dec 12
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

4h 32m
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

5h 24m
$393

American Airlines

Pick Dates

Deal found 11/22

Dec 1 - Dec 12
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

4h 32m
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

5h 24m
$404

American Airlines

Pick Dates

Deal found 11/23

Dec 1 - Dec 12
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

4h 32m
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

11h 54m
$408

American Airlines

Pick Dates

Deal found 11/22

Last minute flights from Harrisburg to St. Louis

Late deals on return flights to St. Louis from Harrisburg, departing today and this week
Dec 2 - Dec 10
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

16h 43m
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

21h 10m
$246

Multiple Airlines

Pick Dates

Deal found 11/22

Dec 2 - Dec 10
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

16h 43m
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

5h 29m
$257

Multiple Airlines

Pick Dates

Deal found 11/22

Dec 1 - Dec 12
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

4h 32m
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

5h 24m
$393

American Airlines

Pick Dates

Deal found 11/22

One-way flights to St. Louis from Harrisburg

The cheapest one-way flights from Harrisburg to St. Louis
Jan 6
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

15h 03m
$106

Frontier

Pick Dates

Deal found 11/22

Jan 5
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

6h 39m
$161

Delta

Pick Dates

Deal found 11/22

Jan 5
MDT

Harrisburg

STL

Lambert-St Louis

2 stops

11h 45m
$166

Delta

Pick Dates

Deal found 11/22

Related info for your journey

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

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

Some of our airline partners flying from Harrisburg to Lambert-St Louis have new flexible policies in place due to COVID-19. American Airlines, Delta, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Harrisburg to St. Louis for under $300 on Cheapflights?

Yes, there are multiple flights from Harrisburg to St. Louis for under $300. The cheapest flight booked recently is on Frontier for just $268, but on average you can expect to pay $390.

Are there last-minute flights available from Harrisburg to St. Louis for under $300?

There are currently 10+ open flights from Harrisburg to St. Louis within the next 7 days for less than $300.

What are the cheapest airlines flying from Harrisburg to St. Louis round-trip?

Frontier, at $268, was found to be the cheapest airline from Harrisburg to St. Louis.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Frontier is currently priced 38% below the average price you’ll pay for this route.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $106. Delta flights start at $161 while deals on United Airlines start at $371 one-way.

What are the most popular airlines that fly from Harrisburg to St. Louis?

The most popular airlines flying from Harrisburg to St. Louis are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What are the cheapest flights from Harrisburg to St. Louis?

On average you can expect to pay $253 for a flight from Harrisburg to St. Louis. The cheapest flight overall is $149 while the most popular route, (Harrisburg - Lambert-St Louis) is currently priced at $246.

Alternative routes for Harrisburg to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Harrisburg to St. Louis

The chart below displays the airlines Cheapflights users traveling from Harrisburg to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
United AirlinesCheapest$171Average$545FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$240Average$572FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$255Average$449FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights