Which airports can I use when flying from Harrisburg to St. Louis?

Flights from Harrisburg to St. Louis usually depart from Harrisburg (MDT) and arrive at Lambert-St Louis (STL).

What cabin classes can I book on flights from Harrisburg to St. Louis?

Only Economy Class is available on flights from Harrisburg to St. Louis.

Which airports do connecting flights from Harrisburg to St. Louis pass through?

One-stop flights from Harrisburg to St. Louis most commonly connect through: • Chicago O'Hare Intl (ORD) - 42% of one-stop connections • Detroit Metropolitan Wayne County (DTW) - 23% of one-stop connections • Philadelphia (PHL) - 15% of one-stop connections • Charlotte Douglas (CLT) - 13% of one-stop connections

Can I save money by using flexible dates for flights from Harrisburg to St. Louis?

Yes. Flexible dates can save you up to 46% on flights from Harrisburg to St. Louis. Thursday is the cheapest departure day at $318 round-trip on average, while Monday is the most expensive at $582, a difference of $264. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in St. Louis?

Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

How long is a flight from Harrisburg to St. Louis?

A nonstop flight from Harrisburg to St. Louis takes 00m, covering 731 miles.

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

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Harrisburg to St. Louis changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $321 to $2,159. That means the highest observed fare was about 7x higher than the lowest one.

How are flight prices from Harrisburg to St. Louis looking right now?

One-way fares from Harrisburg to St. Louis are currently higher than usual. Average one-way flight prices are about $444, which is 56% above the typical average for this route.

How much time can I save by choosing a different layover airport from Harrisburg to St. Louis?

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 14m, compared with 5h 01m via Philadelphia (PHL) and 5h 04m via Charlotte Douglas (CLT).

What is the time difference between Harrisburg and St. Louis?

St. Louis is 1 hour behind Harrisburg (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Lambert-St Louis Airport (STL)?

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include: • Hertz • Budget • Alamo • Enterprise Rent-A-Car • Payless

How much should I expect to pay for a Harrisburg to St. Louis flight?

Round-trip flights from Harrisburg to St. Louis range from $296 to $430, with an average of $368 over the past 12 months. Anything below $296 counts as a good deal.

Which airline is the cheapest to fly from Harrisburg to St. Louis?

American Airlines ($321) and Delta ($330) are the cheapest airlines to fly round-trip from Harrisburg to St. Louis according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Harrisburg to St. Louis?

Chicago O'Hare Intl (ORD) is the most popular layover for the Harrisburg to St. Louis route. 42% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ORD.

What is the cheapest layover airport when flying from Harrisburg to St. Louis?

Flights via Philadelphia (PHL) offer the most affordable fares, with an average round-trip price of $390. Based on KAYAK data over the past 3 months.

When flying from Harrisburg to St. Louis which airport offers the shortest layover?

Detroit Metropolitan Wayne County (DTW) had the shortest average connection time for Harrisburg to St. Louis layovers at 2h 38m over the past 3 months.

$284 CHEAP FLIGHTS from Harrisburg to St. Louis (MDT - STL)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$321

Typical prices: $296-$430

American Airlines

Sun 11/18Sun 12/2

MDT - STL • 1 stop

Cheapest one-way

$284

Typical prices: $271-$318

American Airlines

Thu 11/8

MDT - STL • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Harrisburg and St. Louis. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

January

Cheapest • 17% price drop

March

Most popular

Good to know

Top layover airports

Philadelphia (PHL)

Cheapest • Avg $390 (round-trip)

Detroit Metropolitan Wayne County (DTW)

Shortest trip • 4h 14m (one-way)

Insights

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to St. Louis!

Flight Deals

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

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

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

Wed, Nov 18 - Wed, Dec 2

6:34 am - 10:53 amMDT Harrisburg-STL Lambert-St Louis

5h 19m1 stop Chicago O'Hare Intl

11:34 am - 7:23 pmSTL Lambert-St Louis-MDT Harrisburg

6h 49m1 stop Chicago O'Hare Intl

$321American Airlines

Thu, Feb 4 - Tue, Feb 9

6:33 am - 11:04 amMDT Harrisburg-STL Lambert-St Louis

5h 31m1 stop Chicago O'Hare Intl

5:05 am - 1:30 pmSTL Lambert-St Louis-MDT Harrisburg

7h 25m1 stop Chicago O'Hare Intl

$330American Airlines

Sat, Oct 17 - Sat, Oct 24

6:13 am - 9:49 amMDT Harrisburg-STL Lambert-St Louis

4h 36m1 stop Detroit Metropolitan Wayne County

6:47 am - 11:33 amSTL Lambert-St Louis-MDT Harrisburg

3h 46m1 stop Detroit Metropolitan Wayne County

$330Delta

Sat, Oct 17 - Tue, Oct 20

6:13 am - 9:49 amMDT Harrisburg-STL Lambert-St Louis

4h 36m1 stop Detroit Metropolitan Wayne County

6:05 pm - 10:58 pmSTL Lambert-St Louis-MDT Harrisburg

3h 53m1 stop Detroit Metropolitan Wayne County

$330Delta

Thu, Feb 4 - Tue, Feb 9

8:24 pm - 11:57 pmMDT Harrisburg-STL Lambert-St Louis

4h 33m1 stop Chicago O'Hare Intl

5:05 am - 1:30 pmSTL Lambert-St Louis-MDT Harrisburg

7h 25m1 stop Chicago O'Hare Intl

$330American Airlines

Sun, Oct 18 - Sat, Oct 24

6:13 am - 9:49 amMDT Harrisburg-STL Lambert-St Louis

4h 36m1 stop Detroit Metropolitan Wayne County

6:47 am - 11:33 amSTL Lambert-St Louis-MDT Harrisburg

3h 46m1 stop Detroit Metropolitan Wayne County

$330Delta

Thu, Jan 7 - Sun, Jan 10

6:30 am - 10:30 amMDT Harrisburg-STL Lambert-St Louis

5h 00m1 stop Chicago O'Hare Intl

1:09 pm - 8:55 pmSTL Lambert-St Louis-MDT Harrisburg

6h 46m1 stop Chicago O'Hare Intl

$339United Airlines

Sat, Dec 26 - Thu, Dec 31

6:00 am - 10:42 amMDT Harrisburg-STL Lambert-St Louis

5h 42m1 stop Chicago O'Hare Intl

7:18 am - 1:35 pmSTL Lambert-St Louis-MDT Harrisburg

5h 17m1 stop Chicago O'Hare Intl

$372United Airlines

Thu, Oct 15 - Wed, Oct 21

9:20 pm - 11:13 pmMDT Harrisburg-STL Lambert-St Louis

26h 53m1 stop Orlando Sanford Intl

6:35 pm - 3:15 pmSTL Lambert-St Louis-MDT Harrisburg

19h 40m2 stops Atlanta Hartsfield-Jackson Orlando

$387Multiple Airlines

Sun, Nov 1 - Thu, Nov 5

9:59 pm - 1:21 pmMDT Harrisburg-STL Lambert-St Louis

16h 22m2 stops Nashville Intl Jonesboro

4:26 pm - 2:06 pmSTL Lambert-St Louis-MDT Harrisburg

20h 40m1 stop Orlando

$477Multiple Airlines

Recent last minute flight deals from Harrisburg to St. Louis

Fri, Sep 25 - Mon, Sep 28

6:54 pm - 12:27 amMDT Harrisburg-STL Lambert-St Louis

6h 33m1 stop Chicago O'Hare Intl

5:01 am - 11:23 amSTL Lambert-St Louis-MDT Harrisburg

5h 22m1 stop Chicago O'Hare Intl

$429American Airlines

Fri, Sep 25 - Mon, Sep 28

6:54 pm - 12:27 amMDT Harrisburg-STL Lambert-St Louis

6h 33m1 stop Chicago O'Hare Intl

5:01 am - 11:23 amSTL Lambert-St Louis-MDT Harrisburg

5h 22m1 stop Chicago O'Hare Intl

$444American Airlines

Thu, Sep 24 - Mon, Sep 28

5:45 am - 10:29 amMDT Harrisburg-STL Lambert-St Louis

5h 44m1 stop Philadelphia

11:01 am - 6:13 pmSTL Lambert-St Louis-MDT Harrisburg

6h 12m1 stop Chicago O'Hare Intl

$444American Airlines

Fri, Sep 25 - Mon, Sep 28

5:54 pm - 9:21 pmMDT Harrisburg-STL Lambert-St Louis

4h 27m1 stop Chicago O'Hare Intl

7:01 pm - 1:59 pmSTL Lambert-St Louis-MDT Harrisburg

17h 58m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$780United Airlines

Thu, Sep 24 - Mon, Sep 28

5:54 pm - 10:59 pmMDT Harrisburg-STL Lambert-St Louis

6h 05m1 stop Chicago O'Hare Intl

7:01 pm - 1:59 pmSTL Lambert-St Louis-MDT Harrisburg

17h 58m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$780United Airlines

Tue, Sep 29 - Fri, Oct 2

4:25 pm - 10:42 pmMDT Harrisburg-STL Lambert-St Louis

7h 17m1 stop Charlotte Douglas

6:53 am - 12:31 pmSTL Lambert-St Louis-MDT Harrisburg

4h 38m1 stop Charlotte Douglas

$786American Airlines

Fri, Sep 25 - Mon, Sep 28

6:15 am - 9:09 pmMDT Harrisburg-STL Lambert-St Louis

15h 54m2 stops Washington, D.C. Dulles Intl Newark

3:11 pm - 9:50 pmSTL Lambert-St Louis-MDT Harrisburg

5h 39m1 stop Chicago O'Hare Intl

$809United Airlines

Thu, Sep 24 - Mon, Sep 28

6:10 am - 1:23 pmMDT Harrisburg-STL Lambert-St Louis

8h 13m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

2:30 pm - 11:15 pmSTL Lambert-St Louis-MDT Harrisburg

7h 45m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$1,781Delta

Fri, Sep 25 - Mon, Sep 28

6:10 am - 1:23 pmMDT Harrisburg-STL Lambert-St Louis

8h 13m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

2:30 pm - 11:15 pmSTL Lambert-St Louis-MDT Harrisburg

7h 45m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$1,821Delta

Mon, Sep 28 - Thu, Oct 1

5:10 pm - 11:16 pmMDT Harrisburg-STL Lambert-St Louis

7h 06m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

2:30 pm - 11:15 pmSTL Lambert-St Louis-MDT Harrisburg

7h 45m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$1,884Delta

Booking Insights

Price, demand and travel trends for Harrisburg to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

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

Round-trip flights from Harrisburg to St. Louis typically range from $296 to $430. The lowest price found in the past 5 days was $321, on American Airlines.

What's the cheapest day of the week to fly from Harrisburg to St. Louis?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Harrisburg to St. Louis. It’s 14% cheaper than the average day, while Monday is the most expensive, with prices 58% higher.

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

•January is the cheapest month to fly from Harrisburg to St. Louis at $304 round-trip.
•March ($428) and May ($388) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 40% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	December
High season	March
Cheapest flight	$284

One-way flight from Harrisburg to St. Louis

When to book flights from Harrisburg to St. Louis

Are your dates flexible? Find out the best times to travel from Harrisburg to St. Louis 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.

What cabin classes can I book on flights from Harrisburg to St. Louis?
Only Economy Class is available on flights from Harrisburg to St. Louis.
How long is a flight from Harrisburg to St. Louis?
A nonstop flight from Harrisburg to St. Louis takes 00m, covering 731 miles.
Do I need a passport to fly from Harrisburg to St. Louis?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Harrisburg to St. Louis flight?
Round-trip flights from Harrisburg to St. Louis range from $296 to $430, with an average of $368 over the past 12 months. Anything below $296 counts as a good deal.
Have flight prices from Harrisburg to St. Louis changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $321 to $2,159. That means the highest observed fare was about 7x higher than the lowest one.
How are flight prices from Harrisburg to St. Louis looking right now?
One-way fares from Harrisburg to St. Louis are currently higher than usual. Average one-way flight prices are about $444, which is 56% above the typical average for this route.
What car rental options are available at Lambert-St Louis Airport (STL)?
Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:

• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless
Which airports can I use when flying from Harrisburg to St. Louis?
Flights from Harrisburg to St. Louis usually depart from Harrisburg (MDT) and arrive at Lambert-St Louis (STL).
Which airports do connecting flights from Harrisburg to St. Louis pass through?
One-stop flights from Harrisburg to St. Louis most commonly connect through:

• Chicago O'Hare Intl (ORD) - 42% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 23% of one-stop connections
• Philadelphia (PHL) - 15% of one-stop connections
• Charlotte Douglas (CLT) - 13% of one-stop connections
Can I save money by using flexible dates for flights from Harrisburg to St. Louis?
Yes. Flexible dates can save you up to 46% on flights from Harrisburg to St. Louis. Thursday is the cheapest departure day at $318 round-trip on average, while Monday is the most expensive at $582, a difference of $264.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Harrisburg to St. Louis?
Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 14m, compared with 5h 01m via Philadelphia (PHL) and 5h 04m via Charlotte Douglas (CLT).
What is the time difference between Harrisburg and St. Louis?
St. Louis is 1 hour behind Harrisburg (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in St. Louis?
Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $318, about $264 less than Monday fares (45% savings) based on the last 12 months.
If you can choose when to travel, plan your Harrisburg to St. Louis trip for January. Fares historically average $304 round-trip in that month - typically $124 less than the most expensive month, which is March (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.

• Drury Inn & Suites St. Louis Airport
• Renaissance St. Louis Airport Hotel
• DoubleTree by Hilton St. Louis Airport

More options for your flight from Harrisburg to St. Louis

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MDT - STL

$284 Find Cheap Flights from Harrisburg to St. Louis - Compare and Save

Everything you should know

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

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

Recent one-way flight deals from Harrisburg to St. Louis

Recent last minute flight deals from Harrisburg to St. Louis

Price, demand and travel trends for Harrisburg to St. Louis flights

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

What's the cheapest day of the week to fly from Harrisburg to St. Louis?

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

Which airline is the cheapest to fly from Harrisburg to St. Louis?

What’s the most popular layover airport when flying from Harrisburg to St. Louis?

What is the cheapest layover airport when flying from Harrisburg to St. Louis?

When flying from Harrisburg to St. Louis which airport offers the shortest layover?

Key details for Harrisburg to St. Louis flights

Low season

High season

Cheapest flight

When to book flights from Harrisburg to St. Louis

Your Harrisburg to St. Louis flight questions, answered

Your guide to booking Harrisburg to St. Louis flights

More options for your flight from Harrisburg to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Harrisburg to St. Louis

Find direct flights to and from Harrisburg and St. Louis

Flights from domestic origins to St. Louis

Flights to other popular destinations

Find deals for your return flight