$101 Cheap flights from Harrisburg Intl. to Lambert-St. Louis Intl. (MDT to STL)

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Find The Best Dates To Fly from Harrisburg Intl. to Lambert-St. Louis Intl.

Compare Flight Prices from Harrisburg to St. Louis

Affordable Airfare Tickets from MDT to STL Airport

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $201 round trip and $101 one way. Prices and availability subject to change. Additional terms may apply.

Thu, May 1 - Wed, May 7
MDT
Harrisburg
STL
St. Louis
$201 Roundtrip, found 1 day ago
$201
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, May 1 from Harrisburg to St. Louis, returning Wed, May 7, priced at $201 found 1 day ago
Sun, May 25 - Sat, May 31
MDT
Harrisburg
STL
St. Louis
$202 Roundtrip, found 4 days ago
$202
Roundtrip
found 4 days ago
Select United flight, departing Sun, May 25 from Harrisburg to St. Louis, returning Sat, May 31, priced at $202 found 4 days ago
Sun, May 25 - Sat, May 31
MDT
Harrisburg
STL
St. Louis
$213 Roundtrip, found 4 days ago
$213
Roundtrip
found 4 days ago
Select United flight, departing Sun, May 25 from Harrisburg to St. Louis, returning Sat, May 31, priced at $213 found 4 days ago
Sun, May 25 - Sat, May 31
MDT
Harrisburg
STL
St. Louis
$221 Roundtrip, found 4 days ago
$221
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, May 25 from Harrisburg to St. Louis, returning Sat, May 31, priced at $221 found 4 days ago
Thu, May 22 - Fri, May 30
MDT
Harrisburg
STL
St. Louis
$232 Roundtrip, found 4 days ago
$232
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, May 22 from Harrisburg to St. Louis, returning Fri, May 30, priced at $232 found 4 days ago
Sat, Jun 21 - Tue, Jul 1
MDT
Harrisburg
STL
St. Louis
$233 Roundtrip, found 3 hours ago
$233
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Jun 21 from Harrisburg to St. Louis, returning Tue, Jul 1, priced at $233 found 3 hours ago
Wed, Jun 25 - Tue, Jul 1
MDT
Harrisburg
STL
St. Louis
$233 Roundtrip, found 3 hours ago
$233
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Jun 25 from Harrisburg to St. Louis, returning Tue, Jul 1, priced at $233 found 3 hours ago
Fri, Jun 20 - Tue, Jul 1
MDT
Harrisburg
STL
St. Louis
$237 Roundtrip, found 3 hours ago
$237
Roundtrip
found 3 hours ago
Select Delta flight, departing Fri, Jun 20 from Harrisburg to St. Louis, returning Tue, Jul 1, priced at $237 found 3 hours ago
Sun, May 25 - Sat, May 31
MDT
Harrisburg
STL
St. Louis
$237 Roundtrip, found 4 days ago
$237
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, May 25 from Harrisburg to St. Louis, returning Sat, May 31, priced at $237 found 4 days ago
Sun, May 25 - Thu, May 29
MDT
Harrisburg
STL
St. Louis
$240 Roundtrip, found 4 days ago
$240
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, May 25 from Harrisburg to St. Louis, returning Thu, May 29, priced at $240 found 4 days ago

Frequently asked questions

Can I catch a flight from MDT to Lambert Field right now?
Make sure you go to our Covid-19 Travel Advisor to learn if there are any current travel advice reports and quarantine requirements in effect in STL when flying from Harrisburg Intl. Airport (MDT).
Are there direct flights from Harrisburg Intl. Airport to STL?
If you’d prefer to travel with minimum fuss from Harrisburg Intl. Airport (MDT) to STL, look into American Airlines, Delta and United Airlines. No airlines advertise direct flights between the two cities, so you’ll have to make at least one stopover.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to St. Louis Lambert International Airport, please visit our Customer Service Portal.
How long is the flight from MDT to Lambert Field?
Exit the airplane feeling rested and relaxed by enjoying some shut-eye and some refreshments during your flight to STL. With an average travel time of 3 hours and 49 minutes from Harrisburg Intl. Airport (MDT), you’ll have plenty of time to enjoy both.
What is the flight distance from Harrisburg Intl. Airport to Lambert-St. Louis Intl. Airport (STL)?
From Harrisburg Intl. Airport, you’ll travel 730 mi before landing at STL. That should give you enough time to read a few chapters of your book or maybe even manage a bit of shut-eye.
What airlines fly from Harrisburg Intl. Airport (MDT) to St. Louis Lambert International Airport?
You’ll need to make at least one stopover if you’re traveling from MDT to STL, as no airlines offer direct flights between these destinations. Make the most of your layover by stretching your legs, freshening up and having a shop.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from Harrisburg to St. Louis

 

Traveling From
Harrisburg Intl.
Traveling To
Lambert-St. Louis Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$201

Route Info

Flight path for flights from Harrisburg International Airport to Lambert-St. Louis International Airport


Origin:
MDT - Harrisburg International Airport
Destination:
STL - Lambert-St. Louis International Airport
Distance:
855.00 miles


Airlines & Aircraft Used on MDT to STL Flight Routes


Airline Carrier
Aircraft
American Airlines
Airbus A321-100/200
American Airlines
Boeing 737-700 pax
American Airlines
Boeing 737-800 pax
United Airlines
Embraer EMB.110 Bandeirnate

Discover our best flights from Harrisburg MDT to St. Louis STL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Harrisburg MDT to St. Louis STL at the right price  

Airfares to St. Louis STL from Harrisburg MDT currently cost between $201 and $240. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Harrisburg MDT to St. Louis STL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Harrisburg MDT to St. Louis STL on Travelocity starting at $101. Prices and availability subject to change. Additional terms may apply. 

 

Get to St. Louis STL from Harrisburg MDT quicker with direct flights. 

Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from MDT to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Harrisburg MDT to St. Louis STL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from MDT. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Harrisburg MDT to St. Louis STL today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Harrisburg MDT to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to St. Louis STL from Harrisburg MDT 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from MDT have this option.  

 

Travel with confidence when you book flights to St. Louis STL from Harrisburg MDT with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.