Cheap Flights from Harrisburg (MDT) to St. Louis (STL)

Popular airlines from Harrisburg Intl. Airport (MDT) to Lambert-St. Louis International Airport (STL)

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Find the cheapest month to fly from Harrisburg (MDT) to St. Louis (STL)

February is typically the cheapest month to fly

From CA $271 - CA $888 per traveller.

Graph displaying average flight prices per month

Flight from Harrisburg to St. Louis (MDT - STL) route information
Origin airport
Harrisburg Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
1171 km

Middletown to St. Louis Flights

The easy way to book your flights from Harrisburg to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis from Harrisburg whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Lambert-St. Louis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Harrisburg to St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from Harrisburg Intl., MDT to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from Harrisburg to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Harrisburg currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Louis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Louis from Harrisburg 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.

Frequently asked questions

How much is a flight from Harrisburg Intl. Airport (MDT) to Lambert-St. Louis Intl. Airport (STL)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey between Harrisburg Intl. Airport and STL was . Cheap fares don't stick around for long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Harrisburg Intl. Airport (MDT) to Lambert-St. Louis Intl. Airport (STL)?
The majority of flights can be cancelled online, but whether or not you are charged a fee all comes down to your airline. If you do need to cancel your vacation, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Harrisburg Intl. Airport to STL that have flexible change policies?
Flights from Harrisburg Intl. Airport (MDT) to Lambert-St. Louis Intl. Airport (STL) offering flexible change policies are available with many carriers. Simply use our "No change fees" filter when searching. You'll only need to cover the cost difference between the two flights, with no additional fees to worry about.
How many hours is the flight from Harrisburg Intl. Airport (MDT) to Lambert-St. Louis Intl. Airport (STL)?
Consider bringing your own in-flight entertainment, as it takes an average of 4 hours and 16 minutes to jet to Lambert-St. Louis Intl. Airport (STL) from Harrisburg Intl. Airport. A good set of noise-cancelling earphones will also be useful.
How far is the flight from MDT to Lambert-St. Louis Intl. Airport (STL)?
You won't have time for a movie marathon on this flight --- it's only 1,200 kilometres from Middletown to St. Louis. Find your way to your seat, enjoy the in-flight service and you'll be in St. Louis before you know it.
Which airlines fly direct from Harrisburg Intl. Airport to Lambert-St. Louis Intl. Airport (STL)?
Unfortunately, there are no airlines that fly directly between MDT and STL. You'll need to book a flight with at least one stop.
Are Harrisburg Intl. Airport to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes score a bargain, with some super cheap airfares from Harrisburg Intl. Airport (MDT) to STL appearing a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continually --- as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines advertise prices that far in advance.

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