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

STL — MDT
Feb 7 — Feb 141

The best prices from Lambert-St Louis to Harrisburg are usually found in February or October, booked 52 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

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

All the information you need to plan the best STL to MDT flight in 2023: compare St. Louis to Harrisburg flight prices with the expected peak season, weather and rainfall in Harrisburg.

STL - MDT

Price

$242 - $536

MDT

Temperature

30.2 - 75.2 °F

MDT

Rainfall

2.7 - 4.1 inches

Popular inJulyHigh demand for flights, 22% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 42% potential price drop
Round-trip from$242From Lambert-St Louis to Harrisburg
One-way from$210One-way flight from Lambert-St Louis to Harrisburg

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

Sunday flights are generally found to be more expensive for flights from St. Louis to Harrisburg. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Harrisburg.

How far in advance should I book a flight from St. Louis to Harrisburg?

Find a great deal and save up to 44% by booking at least 53 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Harrisburg within the next two weeks, with the cheapest ticket starting at $444.

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

February can be a great time to fly to Harrisburg from St. Louis with a flight ticket averaging about $416. Cheapflights users have found deals in the month of February for as cheap as $224. The most expensive prices can be found in the month of July.

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

A simple way to save on the total cost of your ticket is to fly from St. Louis to Harrisburg at noon. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight in the afternoon.

Cheap flights from St. Louis to Harrisburg in February, March 2023

The best prices found for STL to MDT flights for February, March
Mar 1 - Mar 8
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

13h 25m
MDT

Harrisburg

STL

Lambert-St Louis

2 stops

30h 31m
$204

Multiple Airlines

Pick Dates

Deal found 1/30

Mar 1 - Mar 8
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

13h 25m
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

4h 33m
$226

Multiple Airlines

Pick Dates

Deal found 1/30

Mar 1 - Mar 8
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

9h 03m
MDT

Harrisburg

STL

Lambert-St Louis

2 stops

9h 33m
$289

American Airlines

Pick Dates

Deal found 1/30

St. Louis to Harrisburg 2023 flight deals

Cheap flights to Harrisburg from St. Louis found for this year
Mar 1 - Mar 8
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

13h 25m
MDT

Harrisburg

STL

Lambert-St Louis

2 stops

30h 31m
$204

Multiple Airlines

Pick Dates

Deal found 1/30

Mar 1 - Mar 8
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

13h 25m
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

4h 33m
$226

Multiple Airlines

Pick Dates

Deal found 1/30

May 10 - May 14
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

13h 21m
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

23h 04m
$230

Frontier

Pick Dates

Deal found 1/31

Cheap American Airlines flights from St. Louis to Harrisburg

Mar 1 - Mar 8
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

9h 03m
MDT

Harrisburg

STL

Lambert-St Louis

2 stops

9h 33m
$289

American Airlines

Pick Dates

Deal found 1/30

Mar 7 - Mar 13
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

11h 42m
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

4h 23m
$304

American Airlines

Pick Dates

Deal found 1/30

Mar 7 - Mar 13
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

11h 42m
MDT

Harrisburg

STL

Lambert-St Louis

2 stops

9h 23m
$308

American Airlines

Pick Dates

Deal found 1/30

Cheap United Airlines flights from St. Louis to Harrisburg

Mar 7 - Mar 13
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

3h 48m
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

25h 00m
$299

United Airlines

Pick Dates

Deal found 1/30

Apr 19 - Apr 22
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

4h 06m
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

4h 24m
$302

United Airlines

Pick Dates

Deal found 1/31

May 10 - May 14
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

5h 01m
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

9h 57m
$329

United Airlines

Pick Dates

Deal found 2/1

Last minute flights from St. Louis to Harrisburg

Late deals on return flights to Harrisburg from St. Louis, departing today and this week
Feb 9 - Feb 12
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

30h 10m
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

18h 03m
$372

Multiple Airlines

Pick Dates

Deal found 2/2

Feb 9 - Feb 12
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

17h 50m
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

18h 03m
$392

Multiple Airlines

Pick Dates

Deal found 2/2

Feb 10 - Feb 12
STL

Lambert-St Louis

MDT

Harrisburg

1 stop

13h 10m
MDT

Harrisburg

STL

Lambert-St Louis

1 stop

18h 03m
$405

Multiple Airlines

Pick Dates

Deal found 2/2

One-way flights to Harrisburg from St. Louis

The cheapest one-way flights from St. Louis to Harrisburg
Mar 28
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

21h 08m
$89

Multiple Airlines

Pick Dates

Deal found 2/2

Feb 20
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

39h 59m
$116

Multiple Airlines

Pick Dates

Deal found 1/31

Feb 27
STL

Lambert-St Louis

MDT

Harrisburg

2 stops

40h 04m
$141

Multiple Airlines

Pick Dates

Deal found 1/30

Reviews of Airlines Servicing Harrisburg

United Airlines
7.6
Good
1,189 reviews

Crew

8.2

Food

6.8

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Overall

7.6

Reviews

1 / 10

Nice, surprise celebration of my new Million Miler status on this flight. Gate crew were really nice and I appreciated their celebration. This continued with the flight crew once on board. Really nice!! Thank you!!!

United Airlines
7.6
Good
1,189 reviews
United Airlines
7.6
Good
1,189 reviews

Crew

8.2

Food

6.8

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Overall

7.6

Reviews

1 / 10

Nice, surprise celebration of my new Million Miler status on this flight. Gate crew were really nice and I appreciated their celebration. This continued with the flight crew once on board. Really nice!! Thank you!!!

American Airlines
7.4
Good
1,668 reviews
United Airlines
7.6
Good
1,189 reviews

Crew

8.2

Food

6.8

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Overall

7.6

Reviews

1 / 10

Nice, surprise celebration of my new Million Miler status on this flight. Gate crew were really nice and I appreciated their celebration. This continued with the flight crew once on board. Really nice!! Thank you!!!

Frontier
6.1
Okay
538 reviews
United Airlines
7.6
Good
1,189 reviews

Crew

8.2

Food

6.8

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Overall

7.6

Reviews

1 / 10

Nice, surprise celebration of my new Million Miler status on this flight. Gate crew were really nice and I appreciated their celebration. This continued with the flight crew once on board. Really nice!! Thank you!!!

Related info for your journey

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

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

Some of our airline partners flying from Lambert-St Louis to Harrisburg 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 St. Louis to Harrisburg for under $300 on Cheapflights?

Yes, there are multiple flights from St. Louis to Harrisburg for under $300. The cheapest flight booked recently is on Multiple Airlines for just $204, but on average you can expect to pay $316.

Are there last-minute flights available from St. Louis to Harrisburg for under $400?

There are currently 9+ open flights from St. Louis to Harrisburg within the next 7 days for less than $400.

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

Flying on Frontier is currently your cheapest option to Harrisburg, with prices starting at $230. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $289 and $299, respectively. Frontier is priced at 44% lower than the current average price of a flight leaving 3 months from now.

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

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

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

While on average a flight from St. Louis to Harrisburg is generally $324, our data shows the cheapest flight currently is $191. When looking at the most popular route, (Lambert-St Louis - Harrisburg), you can expect to pay $323 for that flight.

Alternative routes for St. Louis to Harrisburg

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

Top 3 airlines flying from St. Louis to Harrisburg

The chart below displays the airlines Cheapflights users traveling from St. Louis to Harrisburg choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$238Average$434FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$280Average$427FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$320Average$390FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
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