STL - MDT

$204 Find Cheap Flights from St. Louis to Harrisburg - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Harrisburg departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$291
Typical prices: $338-$442
American Airlines
Sat 8/22Sat 8/29
STL - MDT • 1 stop
Cheapest one-way
$204
Typical prices: $256-$268
Multiple Airlines
Thu 8/13
STL - MDT • 2 stops
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Harrisburg. You'll need at least 1 connection.
Insights
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Top layover airports
Boston (BOS)
Cheapest • Avg $248 (round-trip)
Detroit (DTW)
Shortest trip • 4h 15m (one-way)
Insights
Insights
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When to travel
April
Cheapest • 22% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
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We hope you love your trip to Harrisburg!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Harrisburg that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Harrisburg

Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
5:42 pm - 11:03 pm
STL
-
MDT
4h 21m
1 stop
American Airlines Logo
7:34 pm - 11:34 pm
MDT
-
STL
5h 00m
1 stop
$291American Airlines
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
5:42 pm - 11:03 pm
STL
-
MDT
4h 21m
1 stop
American Airlines Logo
11:00 am - 5:01 pm
MDT
-
STL
7h 01m
1 stop
$301American Airlines
Thu, Sep 3 - Tue, Sep 8
American Airlines Logo
6:00 am - 12:45 pm
STL
-
MDT
5h 45m
1 stop
American Airlines Logo
7:31 pm - 12:14 am
MDT
-
STL
5h 43m
1 stop
$305American Airlines
Sat, Aug 29 - Sun, Aug 30
United Airlines Logo
8:40 am - 2:03 pm
STL
-
MDT
4h 23m
1 stop
United Airlines Logo
6:30 am - 10:12 am
MDT
-
STL
4h 42m
1 stop
$310United Airlines
Tue, Dec 22 - Fri, Dec 25
Delta Logo
5:45 pm - 10:46 pm
STL
-
MDT
4h 01m
1 stop
Delta Logo
6:00 am - 10:48 am
MDT
-
STL
5h 48m
1 stop
$310Delta
Wed, Dec 23 - Fri, Dec 25
Delta Logo
5:45 pm - 10:46 pm
STL
-
MDT
4h 01m
1 stop
Delta Logo
6:10 am - 9:36 am
MDT
-
STL
4h 26m
1 stop
$310Delta
Fri, Aug 28 - Sun, Aug 30
United Airlines Logo
8:50 am - 4:52 pm
STL
-
MDT
7h 02m
1 stop
United Airlines Logo
5:54 pm - 9:17 pm
MDT
-
STL
4h 23m
1 stop
$319United Airlines
Thu, Dec 24 - Fri, Dec 25
Delta Logo
6:45 am - 11:53 am
STL
-
MDT
4h 08m
1 stop
Delta Logo
6:00 am - 10:48 am
MDT
-
STL
5h 48m
1 stop
$319Delta
Thu, Aug 27 - Thu, Sep 3
United Airlines Logo
8:40 am - 2:03 pm
STL
-
MDT
4h 23m
1 stop
United Airlines Logo
5:54 pm - 10:00 pm
MDT
-
STL
5h 06m
1 stop
$319United Airlines
Thu, Aug 13 - Sun, Aug 16
Multiple Airlines Logo
3:41 pm - 9:20 am
STL
-
MDT
16h 39m
2 stops
Multiple Airlines Logo
9:12 pm - 11:59 pm
MDT
-
STL
27h 47m
1 stop
$607Multiple Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Harrisburg flights

Get data-powered insights and trends into flights from St. Louis to Harrisburg to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Harrisburg?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Harrisburg departing in August.

Flight prices are below average for this route right now.

Flights to Harrisburg from St. Louis usually cost between $338 and $442 in August.
The lowest price found in the past 5 days was $291 on American Airlines (Aug 22-Aug 29).

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Harrisburg, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Harrisburg is April, where tickets cost $270 (return) on average. On the other hand, the most expensive months are May and July, where the average cost of round-trip tickets is $452 and $396 respectively.

Find deals

Good to know

Low season

May

Cheapest flight

$204
Best time to beat the crowds but there is an average 31% increase in price.
Most popular time to fly with an average 15% increase in price.
Flight from St. Louis to Harrisburg

When to book flights from St. Louis to Harrisburg

Are your dates flexible? Find out the best times to travel from St. Louis to Harrisburg based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Harrisburg

  • What is the cheapest flight from St. Louis to Harrisburg?

    In the last 5 days, the lowest price for a flight from St. Louis to Harrisburg was $246 for a one-way ticket and $291 for a round-trip.

  • Do I need a passport to fly between St. Louis and Harrisburg?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from St. Louis to Harrisburg?

    When flying out of St. Louis you will be using Lambert-St Louis. You will be landing at Harrisburg, also known as Harrisburg.

  • Which aircraft models fly most regularly from St. Louis to Harrisburg?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Harrisburg?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between St. Louis and Harrisburg, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from St. Louis to Harrisburg, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from St. Louis to Harrisburg are Delta and United Airlines. With an average price for the route of $354 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $359 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from St. Louis to Harrisburg?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Harrisburg.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Harrisburg?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harrisburg from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Harrisburg?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harrisburg with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and MDT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Harrisburg?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harrisburg from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Harrisburg

Information on your arrival and departure airports

St. Louis (STL)
Harrisburg (MDT)