Cheap flights from Harrisburg to St. Louis from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to St. Louis departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Harrisburg to St. Louis

Cheap round-trip flights

American Airlines Logo
7:47 am - 10:59 amMDT-STL
4h 12m1 stop
American Airlines Logo
4:39 pm - 9:24 pmSTL-MDT
3h 45m1 stop
$249American Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
Delta Logo
6:25 pm - 11:53 pmMDT-STL
6h 28m1 stop
Delta Logo
6:40 am - 11:53 amSTL-MDT
4h 13m1 stop
$259Delta
Find Deal
Wed, Jul 23 - Sun, Jul 27
American Airlines Logo
11:25 am - 4:03 pmMDT-STL
5h 38m1 stop
American Airlines Logo
5:30 am - 1:07 pmSTL-MDT
6h 37m1 stop
$274American Airlines
Find Deal
Fri, Oct 10 - Sun, Oct 12
Delta Logo
6:25 pm - 11:53 pmMDT-STL
6h 28m1 stop
Delta Logo
3:41 pm - 11:52 pmSTL-MDT
7h 11m1 stop
$279Delta
Find Deal
Fri, Aug 1 - Sun, Aug 3
Delta Logo
12:28 pm - 7:07 pmMDT-STL
7h 39m2 stops
Delta Logo
5:11 pm - 11:29 pmSTL-MDT
5h 18m1 stop
$284Delta
Find Deal
Wed, Aug 20 - Sun, Aug 24
Delta Logo
6:00 am - 4:35 pmMDT-STL
11h 35m2 stops
Delta Logo
3:42 pm - 10:24 pmSTL-MDT
5h 42m1 stop
$299Delta
Find Deal
Sat, Aug 23 - Mon, Aug 25
United Airlines Logo
6:30 am - 12:25 pmMDT-STL
6h 55m1 stop
United Airlines Logo
11:30 am - 4:52 pmSTL-MDT
4h 22m1 stop
$344United Airlines
Find Deal
Sun, Aug 24 - Sun, Aug 31
Frontier Logo
11:07 am - 9:06 amMDT-STL
22h 59m2 stops
Frontier Logo
2:02 pm - 10:12 amSTL-MDT
19h 10m1 stop
$411Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5
United Airlines Logo
8:15 am - 2:20 pmMDT-STL
7h 05m1 stop
United Airlines Logo
5:18 pm - 9:35 amSTL-MDT
15h 17m2 stops
$421United Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
Frontier Logo
11:07 am - 9:06 amMDT-STL
22h 59m2 stops
Frontier Logo
10:39 am - 10:12 amSTL-MDT
22h 33m2 stops
$507Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5

American Airlines flights from Harrisburg to St. Louis

Our best American Airlines deals on Harrisburg to St. Louis flight tickets
American Airlines
Nov 12
MDT7:47 amHarrisburg
4h 12m
1 stop
STL10:59 amLambert-St Louis
Nov 17
STL4:39 pmLambert-St Louis
3h 45m
1 stop
MDT9:24 pmHarrisburg
American Airlines
Oct 10
MDT11:25 amHarrisburg
5h 38m
1 stop
STL4:03 pmLambert-St Louis
Oct 12
STL5:30 amLambert-St Louis
6h 37m
1 stop
MDT1:07 pmHarrisburg
American Airlines
Jul 19
MDT6:36 pmHarrisburg
6h 15m
1 stop
STL11:51 pmLambert-St Louis
Jul 20
STL6:10 amLambert-St Louis
4h 30m
1 stop
MDT11:40 amHarrisburg

Frontier flights from Harrisburg to St. Louis

Our best Frontier deals on Harrisburg to St. Louis flight tickets
Frontier
Jul 17
MDT11:06 amHarrisburg
13h 41m
1 stop
STL11:47 pmLambert-St Louis
Jul 19
STL5:40 pmLambert-St Louis
15h 28m
1 stop
MDT10:08 amHarrisburg
Frontier
Oct 3
MDT11:07 amHarrisburg
22h 59m
2 stops
STL9:06 amLambert-St Louis
Oct 5
STL2:02 pmLambert-St Louis
19h 10m
1 stop
MDT10:12 amHarrisburg
Frontier
Jul 17
MDT11:06 amHarrisburg
13h 41m
1 stop
STL11:47 pmLambert-St Louis
Jul 19
STL2:52 pmLambert-St Louis
18h 16m
2 stops
MDT10:08 amHarrisburg

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, September 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 $278. The month of April is another great option to travel to St. Louis, with average flight prices from Harrisburg averaging around $291.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $318. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $762. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Harrisburg at noon is the least expensive time of day to depart. momondo users have found prices as low as $325 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $389 per ticket.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Harrisburg when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $336 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Harrisburg for as low as $262 on momondo.

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

$126

Fastest flight time

4h 12m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Harrisburg in the past 72 hours is $126. The best round-trip flight deal from Harrisburg to St. Louis found on momondo in the last 72 hours is $249.
The fastest flight from Harrisburg to St. Louis takes 4h 12m
There are no direct flights from Harrisburg to St. Louis. Popular non-direct route for this connection is Harrisburg Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • 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 12m 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
DeltaPriceFrom $238Free CancellationRating
8.0
7,952 reviews
Search Delta flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,846 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
Hermann
Fairview Heights
Maryland Heights
Florissant
Collinsville
Fenton
Farmington
O'Fallon
St. Peters
Alton
Wentzville
Festus
Glencoe
Clayton
Eureka
Edwardsville
Grafton
Shrewsbury

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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1 adult
Tue 7/15
Tue 7/22

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