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

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The best prices from Lambert-St Louis to Harrisburg are usually found in February or October, booked 42 days in advance, depart on a Thursday or Tuesday and return on a Monday

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 2022: compare St. Louis to Harrisburg flight prices with the expected peak season, weather and rainfall in Harrisburg.
STL - MDT
Price
$242 - $459
MDT
Temperature
30.2 - 75.2 °F
MDT
Rainfall
2.7 - 4.1 inches

Popular in

August

High demand for flights, 25% potential price rise

Cheapest in

February

Best time to find cheap flights, 29% potential price drop

Average price

$427

Average for round-trip flights in June 2022

Round-trip from

$242

From Lambert-St Louis to Harrisburg

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from St. Louis to Harrisburg?

Find a great deal and save up to 67% by booking at least 41 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 $358.

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

Thursday 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.

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 $342. 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 August.

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 in the afternoon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight at noon.

Cheap flights from St. Louis to Harrisburg in June, July 2022

The best prices found for STL to MDT flights for June, July
6 Jul - 8 Jul
$484pp
STL
Lambert-St Louis
Delta
 
1 STOP
MDT
Harrisburg
MDT
Harrisburg
Delta
 
1 STOP
STL
Lambert-St Louis
6 Jul - 8 Jul
$498pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
MDT
Harrisburg
MDT
Harrisburg
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
1 Jul - 6 Jul
$503pp
STL
Lambert-St Louis
Delta
 
1 STOP
MDT
Harrisburg
MDT
Harrisburg
Delta
 
1 STOP
STL
Lambert-St Louis

Lambert-St Louis to Harrisburg 2022 flight deals

Cheap flights to Harrisburg from St. Louis found for this year
24 Aug - 31 Aug
$313pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
MDT
Harrisburg
MDT
Harrisburg
American Airlines
 
1 STOP
STL
Lambert-St Louis
24 Aug - 31 Aug
$319pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
MDT
Harrisburg
MDT
Harrisburg
American Airlines
 
1 STOP
STL
Lambert-St Louis
8 Aug - 12 Aug
$349pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
MDT
Harrisburg
MDT
Harrisburg
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St. Louis to Harrisburg

Late deals on round-trip flights to Harrisburg from St. Louis, departing today and this week
6 Jul - 8 Jul
$484pp
STL
Lambert-St Louis
Delta
 
1 STOP
MDT
Harrisburg
MDT
Harrisburg
Delta
 
1 STOP
STL
Lambert-St Louis
6 Jul - 8 Jul
$498pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
MDT
Harrisburg
MDT
Harrisburg
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
5 Jul - 8 Jul
$586pp
STL
Lambert-St Louis
Delta
 
1 STOP
MDT
Harrisburg
MDT
Harrisburg
Delta
 
1 STOP
STL
Lambert-St Louis

One-way flights to Harrisburg from St. Louis

The cheapest one-way flights from St. Louis to Harrisburg
7:29 am - 7:43 am
Frontier
1 Stop
23h 14m
STL - MDT
Frontier
$243
Flights by SU
3:01 am - 8:38 am
United Airlines
1 Stop
4h 37m
STL - MDT
United Airlines
$357
United
1:45 am - 7:26 am
Delta
1 Stop
4h 41m
STL - MDT
Delta
$369
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Harrisburg</span> flights.

Flight FAQs

From St. Louis to Harrisburg

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 $400 on Cheapflights?

Yes, there are multiple flights from St. Louis to Harrisburg for under $400. The cheapest flight booked recently is on American Airlines for just $313, but on average you can expect to pay $427.

Are there last-minute flights available from St. Louis to Harrisburg for under $500?

There are currently 13+ open flights from St. Louis to Harrisburg within the next 7 days for less than $500.

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

Flying on American Airlines is currently your cheapest option to Harrisburg, with prices starting at $313. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $387 and $516, respectively. American Airlines is priced at 8% lower than the current average price of a flight leaving 3 months from now.

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

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $228. Users have also found prices from $243 and $357 on Frontier and United Airlines, respectively.

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

While on average a flight from St. Louis to Harrisburg is generally $444, our data shows the cheapest flight currently is $295. When looking at the most popular route, (Lambert-St Louis - Harrisburg), you can expect to pay $349 for that flight.

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 Frontier. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for Harrisburg, PA

Do I need a COVID test to fly to Harrisburg from St. Louis?

Information is based on travel restrictions for travel to Harrisburg within the United States

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Harrisburg.

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Harrisburg.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Harrisburg.

Do I need a test to fly back to St. Louis from Harrisburg?

Returning to Lambert-St Louis from Harrisburg

COVID-19 testing requirements
Visitors from Harrisburg are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from Harrisburg are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Harrisburg, PA

Alternative routes for St. Louis to Harrisburg

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

Destination information for Harrisburg

Things to know before you go - useful duration and weather info for your trip from St. Louis to Harrisburg.
Average temperature for June in Harrisburg
82.4 °F
Avg rainfall for June in Harrisburg
4.0 ″

Airports servicing St. Louis

Airports servicing Harrisburg

Top 3 airlines flying from Lambert-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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$184 $401 No cancel fee 69%
Delta
$214 $290 No cancel fee N/A
American Airlines
$229 $402 No cancel fee 71%
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