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Cheap flights from Harrisburg to St. Louis from $147

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Harrisburg to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:15 am - 10:05 amMDT  Harrisburg-STL Lambert-St Louis
4h 50m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:21 pm - 11:15 pmSTL  Lambert-St Louis-MDT Harrisburg
3h 54m1 stop Detroit Metropolitan Wayne County
$321Delta
Sat, Dec 19 - Tue, Dec 29
American Airlines Logo
7:43 am - 12:23 pmMDT  Harrisburg-STL Lambert-St Louis
5h 40m1 stop Philadelphia
American Airlines Logo
5:42 am - 1:52 pmSTL  Lambert-St Louis-MDT Harrisburg
7h 10m1 stop Chicago O'Hare Intl
$330American Airlines
Thu, Feb 4 - Tue, Feb 9
Delta Logo
6:15 am - 10:05 amMDT  Harrisburg-STL Lambert-St Louis
4h 50m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:21 pm - 11:15 pmSTL  Lambert-St Louis-MDT Harrisburg
3h 54m1 stop Detroit Metropolitan Wayne County
$330Delta
Sat, Dec 19 - Mon, Dec 28
Delta Logo
12:24 pm - 5:20 pmMDT  Harrisburg-STL Lambert-St Louis
5h 56m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:21 pm - 11:15 pmSTL  Lambert-St Louis-MDT Harrisburg
3h 54m1 stop Detroit Metropolitan Wayne County
$330Delta
Wed, Dec 16 - Mon, Dec 21
American Airlines Logo
8:20 pm - 12:02 amMDT  Harrisburg-STL Lambert-St Louis
4h 42m1 stop Chicago O'Hare Intl
American Airlines Logo
4:32 pm - 10:22 pmSTL  Lambert-St Louis-MDT Harrisburg
4h 50m1 stop Chicago O'Hare Intl
$339American Airlines
Sun, Dec 6 - Sun, Dec 20
American Airlines Logo
12:11 pm - 6:17 pmMDT  Harrisburg-STL Lambert-St Louis
7h 06m1 stop Chicago O'Hare Intl
American Airlines Logo
11:35 am - 7:22 pmSTL  Lambert-St Louis-MDT Harrisburg
6h 47m1 stop Chicago O'Hare Intl
$398American Airlines
Sat, Nov 14 - Mon, Nov 16
United Airlines Logo
6:20 am - 10:08 amMDT  Harrisburg-STL Lambert-St Louis
4h 48m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
1:17 pm - 8:49 pmSTL  Lambert-St Louis-MDT Harrisburg
6h 32m1 stop Chicago O'Hare Intl
$421United Airlines
Wed, Feb 3 - Sat, Feb 6
United Airlines Logo
6:03 am - 12:26 pmMDT  Harrisburg-STL Lambert-St Louis
7h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
1:13 pm - 9:15 pmSTL  Lambert-St Louis-MDT Harrisburg
7h 02m1 stop Chicago O'Hare Intl
$430United Airlines
Sat, Dec 26 - Thu, Dec 31
Multiple Airlines Logo
4:17 pm - 10:53 amMDT  Harrisburg-STL Lambert-St Louis
43h 36m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:20 pm - 8:29 amSTL  Lambert-St Louis-MDT Harrisburg
13h 09m1 stop Orlando
$442Multiple Airlines
Sat, Dec 19 - Tue, Dec 29
Multiple Airlines Logo
9:44 am - 12:41 amMDT  Harrisburg-STL Lambert-St Louis
15h 57m1 stop Orlando Sanford Intl
Multiple Airlines Logo
6:21 pm - 2:55 pmSTL  Lambert-St Louis-MDT Harrisburg
19h 34m2 stops Atlanta Hartsfield-Jackson Orlando
$636Multiple Airlines
Sat, Dec 19 - Mon, Dec 28

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United Airlines flights from Harrisburg to St. Louis

Our best United Airlines deals on Harrisburg to St. Louis flight tickets
United Airlines
Feb 3
MDT6:20 amHarrisburg
4h 48m
1 stop
STL10:08 amLambert-St Louis
Feb 6
STL1:17 pmLambert-St Louis
6h 32m
1 stop
MDT8:49 pmHarrisburg
$421
United Airlines
Dec 26
MDT6:03 amHarrisburg
7h 23m
1 stop
STL12:26 pmLambert-St Louis
Dec 31
STL1:13 pmLambert-St Louis
7h 02m
1 stop
MDT9:15 pmHarrisburg
$430
United Airlines
Dec 26
MDT6:03 amHarrisburg
7h 23m
1 stop
STL12:26 pmLambert-St Louis
Dec 28
STL7:18 amLambert-St Louis
5h 17m
1 stop
MDT1:35 pmHarrisburg
$519

Delta flights from Harrisburg to St. Louis

Our best Delta deals on Harrisburg to St. Louis flight tickets
Delta
Dec 19
MDT6:15 amHarrisburg
4h 50m
1 stop
STL10:05 amLambert-St Louis
Dec 29
STL6:21 pmLambert-St Louis
3h 54m
1 stop
MDT11:15 pmHarrisburg
$321
Delta
Dec 15
MDT6:00 amHarrisburg
11h 30m
2 stops
STL4:30 pmLambert-St Louis
Dec 21
STL6:21 pmLambert-St Louis
3h 54m
1 stop
MDT11:15 pmHarrisburg
$387
Delta
Dec 11
MDT12:24 pmHarrisburg
5h 56m
1 stop
STL5:20 pmLambert-St Louis
Dec 21
STL6:21 pmLambert-St Louis
3h 54m
1 stop
MDT11:15 pmHarrisburg
$418

momondo Fare Finder

 
Use the filters below to find and compare flights from Harrisburg to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sat 12/19

6:15 am-10:05 am

1 stop4h 50m

Lambert-St Louis

Tue 12/29

6:21 pm-11:15 pm

1 stop3h 54m

$321

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Thu 2/4

7:43 am-12:23 pm

1 stop5h 40m

Lambert-St Louis

Tue 2/9

5:42 am-1:52 pm

1 stop7h 10m

$330

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sat 12/19

6:15 am-10:05 am

1 stop4h 50m

Lambert-St Louis

Mon 12/28

6:21 pm-11:15 pm

1 stop3h 54m

$330

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Wed 12/16

12:24 pm-5:20 pm

1 stop5h 56m

Lambert-St Louis

Mon 12/21

6:21 pm-11:15 pm

1 stop3h 54m

$330

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sun 12/6

8:20 pm-12:02 am

1 stop4h 42m

Lambert-St Louis

Sun 12/20

4:32 pm-10:22 pm

1 stop4h 50m

$339

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sat 11/14

12:11 pm-6:17 pm

1 stop7h 06m

Lambert-St Louis

Mon 11/16

11:35 am-7:22 pm

1 stop6h 47m

$398

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Wed 2/3

6:20 am-10:08 am

1 stop4h 48m

Lambert-St Louis

Sat 2/6

1:17 pm-8:49 pm

1 stop6h 32m

$421

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sat 12/26

6:03 am-12:26 pm

1 stop7h 23m

Lambert-St Louis

Thu 12/31

1:13 pm-9:15 pm

1 stop7h 02m

$430

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sat 12/19

4:17 pm-10:53 am

2 stops43h 36m

Lambert-St Louis

Tue 12/29

6:20 pm-8:29 am

1 stop13h 09m

$442

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sat 12/19

9:44 am-12:41 am

1 stop15h 57m

Lambert-St Louis

Mon 12/28

6:21 pm-2:55 pm

2 stops19h 34m

$636

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Harrisburg to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, January is the cheapest month to fly from Harrisburg to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $304. The month of July is another great option to travel to St. Louis, with average flight prices from Harrisburg averaging around $379.

How have Harrisburg to St. Louis flight prices changed over time?

When to book flights from Harrisburg to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Harrisburg to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harrisburg to St. Louis (MDT to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harrisburg to St. Louis

Best Price Found

$147

Fastest flight time

4h 25m

Direct flights

None
The best one-way flight to St. Louis from Harrisburg in the past 72 hours is $147. The best round-trip flight deal from Harrisburg to St. Louis found on momondo in the last 72 hours is $321.
The fastest flight from Harrisburg to St. Louis takes 4h 25m
There are no direct flights from Harrisburg to St. Louis. There are no popular flight routes from Harrisburg to St. Louis.
Search flight deals

Frequently asked questions about flying from Harrisburg to St. Louis

  • How far is Harrisburg to Lambert-St Louis by plane?

    There are 718.1 mi between Harrisburg and Lambert-St Louis. Typically, this will take 4h 25m by plane in normal conditions.

  • When did momondo last update prices for flights from Harrisburg Airport to Lambert-St Louis Airport?

    Prices for flights from Harrisburg Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Harrisburg Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Harrisburg Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harrisburg Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Harrisburg to St. Louis?

Best airlines flying from Harrisburg to St. Louis

Compare and see reviews for airlines that fly from Harrisburg to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $268Free CancellationRating
7.0
12,230 reviews
Search American Airlines flights
DeltaPriceFrom $287Free CancellationRating
7.8
8,697 reviews
Search Delta flights
United AirlinesPriceFrom $304Free CancellationRating
7.3
10,461 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Maryland Heights
St. Peters
Alton
Collinsville
Farmington
Florissant
Festus
Hermann
Clayton
Fenton
Edwardsville
O'Fallon
Eureka
Wentzville
Litchfield
Grafton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Harrisburg to St. Louis?

Finding the right flight to St. Louis from Harrisburg is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Harrisburg to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Harrisburg to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Harrisburg to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Harrisburg to St. Louis.

I’m not ready to book a flight from Harrisburg to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Harrisburg are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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