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Cheap flights from Harrisburg to St. Louis from $284

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.
American Airlines Logo
12:11 pm - 4:46 pmMDT  Harrisburg-STL Lambert-St Louis
5h 35m1 stop Chicago O'Hare Intl
American Airlines Logo
5:01 am - 11:27 amSTL  Lambert-St Louis-MDT Harrisburg
5h 26m1 stop Chicago O'Hare Intl
$321American Airlines
Sat, Nov 7 - Sat, Nov 14
American Airlines Logo
3:15 pm - 7:22 pmMDT  Harrisburg-STL Lambert-St Louis
5h 07m1 stop Chicago O'Hare Intl
American Airlines Logo
5:50 am - 1:45 pmSTL  Lambert-St Louis-MDT Harrisburg
6h 55m1 stop Chicago O'Hare Intl
$321American Airlines
Wed, Nov 11 - Sat, Nov 21
Delta Logo
12:09 pm - 5:14 pmMDT  Harrisburg-STL Lambert-St Louis
6h 05m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:40 am - 11:29 amSTL  Lambert-St Louis-MDT Harrisburg
3h 49m1 stop Detroit Metropolitan Wayne County
$321Delta
Wed, Nov 11 - Wed, Nov 18
Delta Logo
12:20 pm - 5:20 pmMDT  Harrisburg-STL Lambert-St Louis
6h 00m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:05 pm - 11:02 pmSTL  Lambert-St Louis-MDT Harrisburg
3h 57m1 stop Detroit Metropolitan Wayne County
$321Delta
Wed, Dec 2 - Wed, Dec 9
American Airlines Logo
7:53 pm - 11:59 pmMDT  Harrisburg-STL Lambert-St Louis
5h 06m1 stop Chicago O'Hare Intl
American Airlines Logo
11:23 am - 7:23 pmSTL  Lambert-St Louis-MDT Harrisburg
7h 00m1 stop Chicago O'Hare Intl
$321American Airlines
Wed, Dec 2 - Sat, Dec 12
Delta Logo
12:20 pm - 4:02 pmMDT  Harrisburg-STL Lambert-St Louis
4h 42m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:05 pm - 11:02 pmSTL  Lambert-St Louis-MDT Harrisburg
3h 57m1 stop Detroit Metropolitan Wayne County
$321Delta
Sat, Dec 5 - Wed, Dec 9
United Airlines Logo
5:54 pm - 9:21 pmMDT  Harrisburg-STL Lambert-St Louis
4h 27m1 stop Chicago O'Hare Intl
United Airlines Logo
9:04 am - 4:52 pmSTL  Lambert-St Louis-MDT Harrisburg
6h 48m1 stop Chicago O'Hare Intl
$354United Airlines
Wed, Sep 30 - Tue, Oct 6
United Airlines Logo
6:00 am - 10:42 amMDT  Harrisburg-STL Lambert-St Louis
5h 42m1 stop Chicago O'Hare Intl
United Airlines Logo
7:18 am - 1:35 pmSTL  Lambert-St Louis-MDT Harrisburg
5h 17m1 stop Chicago O'Hare Intl
$372United Airlines
Sat, Dec 26 - Thu, Dec 31
Multiple Airlines Logo
9:59 pm - 1:21 pmMDT  Harrisburg-STL Lambert-St Louis
16h 22m2 stops Nashville Intl Jonesboro
Multiple Airlines Logo
4:26 pm - 2:06 pmSTL  Lambert-St Louis-MDT Harrisburg
20h 40m1 stop Orlando
$477Multiple Airlines
Sun, Nov 1 - Thu, Nov 5
Multiple Airlines Logo
9:20 pm - 11:13 pmMDT  Harrisburg-STL Lambert-St Louis
26h 53m1 stop Orlando Sanford Intl
Multiple Airlines Logo
6:35 pm - 3:15 pmSTL  Lambert-St Louis-MDT Harrisburg
19h 40m2 stops Atlanta Hartsfield-Jackson Orlando
$482Multiple Airlines
Thu, Oct 15 - Wed, Oct 21

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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
Sep 30
MDT5:54 pmHarrisburg
4h 27m
1 stop
STL9:21 pmLambert-St Louis
Oct 6
STL9:04 amLambert-St Louis
6h 48m
1 stop
MDT4:52 pmHarrisburg
$354
United Airlines
Dec 26
MDT6:00 amHarrisburg
5h 42m
1 stop
STL10:42 amLambert-St Louis
Dec 31
STL7:18 amLambert-St Louis
5h 17m
1 stop
MDT1:35 pmHarrisburg
$372
United Airlines
Oct 17
MDT5:54 pmHarrisburg
6h 04m
1 stop
STL10:58 pmLambert-St Louis
Oct 18
STL8:00 amLambert-St Louis
4h 27m
1 stop
MDT1:27 pmHarrisburg
$425

Delta flights from Harrisburg to St. Louis

Our best Delta deals on Harrisburg to St. Louis flight tickets
Delta
Nov 25
MDT6:00 amHarrisburg
4h 25m
1 stop
STL9:25 amLambert-St Louis
Dec 8
STL6:05 pmLambert-St Louis
3h 57m
1 stop
MDT11:02 pmHarrisburg
$321
Delta
Nov 14
MDT12:09 pmHarrisburg
4h 38m
1 stop
STL3:47 pmLambert-St Louis
Nov 19
STL10:20 amLambert-St Louis
4h 58m
1 stop
MDT4:18 pmHarrisburg
$330
Delta
Nov 26
MDT6:00 amHarrisburg
4h 25m
1 stop
STL9:25 amLambert-St Louis
Dec 3
STL6:32 amLambert-St Louis
4h 08m
1 stop
MDT11:40 amHarrisburg
$339

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

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sat 11/7

12:11 pm-4:46 pm

1 stop5h 35m

Lambert-St Louis

Sat 11/14

5:01 am-11:27 am

1 stop5h 26m

$321

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Wed 11/11

3:15 pm-7:22 pm

1 stop5h 07m

Lambert-St Louis

Sat 11/21

5:50 am-1:45 pm

1 stop6h 55m

$321

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Wed 11/11

12:09 pm-5:14 pm

1 stop6h 05m

Lambert-St Louis

Wed 11/18

6:40 am-11:29 am

1 stop3h 49m

$321

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Wed 12/2

12:20 pm-5:20 pm

1 stop6h 00m

Lambert-St Louis

Wed 12/9

6:05 pm-11:02 pm

1 stop3h 57m

$321

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Wed 12/2

7:53 pm-11:59 pm

1 stop5h 06m

Lambert-St Louis

Sat 12/12

11:23 am-7:23 pm

1 stop7h 00m

$321
Quickest round-trip

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sat 12/5

12:20 pm-4:02 pm

1 stop4h 42m

Lambert-St Louis

Wed 12/9

6:05 pm-11:02 pm

1 stop3h 57m

$321

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Wed 9/30

5:54 pm-9:21 pm

1 stop4h 27m

Lambert-St Louis

Tue 10/6

9:04 am-4:52 pm

1 stop6h 48m

$354

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sat 12/26

6:00 am-10:42 am

1 stop5h 42m

Lambert-St Louis

Thu 12/31

7:18 am-1:35 pm

1 stop5h 17m

$372

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Sun 11/1

9:59 pm-1:21 pm

2 stops16h 22m

Lambert-St Louis

Thu 11/5

4:26 pm-2:06 pm

1 stop20h 40m

$477

HarrisburgSt. Louis

MDT Harrisburg - STL Lambert-St Louis

MDTSTL

Harrisburg

Thu 10/15

9:20 pm-11:13 pm

1 stop26h 53m

Lambert-St Louis

Wed 10/21

6:35 pm-3:15 pm

2 stops19h 40m

$482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 typical price of a round-trip flight between Harrisburg and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from $336 to $531.
The lowest price recently found on this route was $321.

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 October is another great option to travel to St. Louis, with average flight prices from Harrisburg averaging around $308.

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

$284

Fastest flight time

4h 19m

Direct flights

None
The best one-way flight to St. Louis from Harrisburg in the past 72 hours is $284. 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 19m
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 19m 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
United AirlinesPriceFrom $268Free CancellationRating
7.4
10,232 reviews
Search United Airlines flights
American AirlinesPriceFrom $268Free CancellationRating
7.0
12,087 reviews
Search American Airlines flights
DeltaPriceFrom $287Free CancellationRating
7.8
8,589 reviews
Search Delta 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
St. Peters
Maryland Heights
Alton
Collinsville
Florissant
Hermann
Clayton
O'Fallon
Farmington
Fenton
Festus
Edwardsville
Wentzville
Eureka
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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