$321+ Cheap flights from St. Louis to Harrisburg (STL - MDT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MDT
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Harrisburg with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Harrisburg
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Cheapest flights from St. Louis to HarrisburgExplore the most affordable flight options available from St. Louis to Harrisburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from St. Louis to Harrisburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:32 am -
1 stop4h 12m
Sat 12/125:06 pm -
1 stop4h 26m
Deal found 10/28![Delta logo]()
$321
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:37 am -
1 stop7h 13m
Sat 12/1212:04 pm -
1 stop5h 41m
Deal found 10/28![American Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:00 pm -
1 stop5h 16m
Thu 12/316:15 am -
1 stop6h 20m
Deal found 10/28![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:21 pm -
1 stop3h 54m
Tue 12/291:00 pm -
1 stop5h 26m
Deal found 10/29![Delta logo]()
$350
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:02 am -
1 stop6h 27m
Sat 11/142:56 pm -
1 stop6h 30m
Deal found 10/28![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:22 pm -
1 stop5h 36m
Thu 11/1212:09 pm -
1 stop6h 05m
Deal found 10/27![Delta logo]()
$398
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:30 pm -
1 stop5h 07m
Tue 11/37:52 pm -
1 stop5h 07m
Deal found 10/26![American Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:47 am -
1 stop3h 46m
Wed 11/1112:09 pm -
1 stop6h 05m
Deal found 10/27![Delta logo]()
$433
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:08 pm -
1 stop7h 21m
Sun 11/18:15 am -
1 stop4h 55m
Deal found 10/26![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/234:32 pm -
1 stop4h 50m
Tue 12/293:37 pm -
1 stop7h 55m
Deal found 10/28![American Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:00 am -
1 stop7h 24m
Sun 11/156:30 am -
1 stop5h 02m
Deal found 10/27![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:15 am -
1 stop7h 10m
Sat 12/196:00 am -
1 stop5h 42m
Deal found 10/28![United Airlines logo]()
$519
Best flights from St. Louis to HarrisburgDiscover carefully curated flight deals from St. Louis to Harrisburg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from St. Louis to Harrisburg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/98:30 am -
1 stop4h 26m
Sat 1/165:40 pm -
1 stop6h 40m
Deal found 10/25![United Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:39 pm -
1 stop5h 27m
Sun 11/296:00 am -
1 stop4h 25m
Deal found 10/25![Delta logo]()
$569
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/55:00 am -
1 stop7h 30m
Sat 1/96:20 am -
1 stop5h 15m
Deal found 10/25![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/61:17 pm -
1 stop4h 54m
Sat 1/96:20 am -
1 stop5h 15m
Deal found 10/29![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:00 am -
1 stop7h 24m
Sun 11/156:30 am -
1 stop5h 02m
Deal found 10/27![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:08 pm -
1 stop4h 49m
Tue 11/1710:42 am -
1 stop6h 01m
Deal found 10/29![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:15 am -
1 stop7h 10m
Sat 12/196:00 am -
1 stop5h 42m
Deal found 10/28![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:30 am -
1 stop4h 54m
Sat 11/286:30 am -
1 stop6h 36m
Deal found 10/27![United Airlines logo]()
$563
Last-minute flights from St. Louis to HarrisburgDiscover last-minute flight deals from St. Louis to Harrisburg. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Harrisburg. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:08 pm -
1 stop7h 21m
Sun 11/18:15 am -
1 stop4h 55m
Deal found 10/26![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:30 pm -
1 stop5h 07m
Tue 11/37:52 pm -
1 stop5h 07m
Deal found 10/26![American Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:22 pm -
1 stop5h 36m
Thu 11/1212:09 pm -
1 stop6h 05m
Deal found 10/27![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:47 am -
1 stop3h 46m
Wed 11/1112:09 pm -
1 stop6h 05m
Deal found 10/27![Delta logo]()
$433
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:00 am -
1 stop7h 24m
Sun 11/156:30 am -
1 stop5h 02m
Deal found 10/27![United Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:02 am -
1 stop6h 27m
Sat 11/142:56 pm -
1 stop6h 30m
Deal found 10/28![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:39 pm -
1 stop5h 27m
Sun 11/296:00 am -
1 stop4h 25m
Deal found 10/25![Delta logo]()
$569
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:29 pm -
1 stop5h 20m
Sun 11/296:03 am -
1 stop5h 31m
Deal found 10/27![American Airlines logo]()
$603
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:30 am -
1 stop4h 54m
Sat 11/286:30 am -
1 stop6h 36m
Deal found 10/27![United Airlines logo]()
$563
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:05 pm -
1 stop25h 22m
Sun 11/299:17 pm -
2 stops21h 23m
Deal found 10/26![Multiple Airlines logo]()
$646
One-way flights from St. Louis to HarrisburgSearch for one-way flight options from St. Louis to Harrisburg. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from St. Louis to Harrisburg. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:00 pm -
1 stop4h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:35 am -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$369
This deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/288:00 am -
1 stop4h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:15 pm -
2 stops7h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$606
Find flight deals from St. Louis to Harrisburg
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Harrisburg (MDT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $321 (Delta) |
Popular in | September |
Cheapest in | April |
Average price | $526 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Harrisburg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from St. Louis to Harrisburg that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisHarrisburg
STL Lambert-St Louis - MDT Harrisburg
STLMDT
Lambert-St Louis
Sat 1/9
8:30 am-1:56 pm
1 stop4h 26m
Harrisburg
Sat 1/16
5:40 pm-11:20 pm
1 stop6h 40m
$321
Quickest round-trip
St. LouisHarrisburg
STL Lambert-St Louis - MDT Harrisburg
STLMDT
Lambert-St Louis
Wed 11/11
1:00 pm-6:36 pm
1 stop4h 36m
Harrisburg
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$364
St. LouisHarrisburg
STL Lambert-St Louis - MDT Harrisburg
STLMDT
Lambert-St Louis
Mon 11/16
11:35 am-7:22 pm
1 stop6h 47m
Harrisburg
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$369
St. LouisHarrisburg
STL Lambert-St Louis - MDT Harrisburg
STLMDT
Lambert-St Louis
Tue 1/5
5:00 am-1:30 pm
1 stop7h 30m
Harrisburg
Sat 1/9
6:20 am-10:35 am
1 stop5h 15m
$421
St. LouisHarrisburg
STL Lambert-St Louis - MDT Harrisburg
STLMDT
Lambert-St Louis
Wed 1/6
1:17 pm-7:11 pm
1 stop4h 54m
Harrisburg
Sat 1/9
6:20 am-10:35 am
1 stop5h 15m
$421
St. LouisHarrisburg
STL Lambert-St Louis - MDT Harrisburg
STLMDT
Lambert-St Louis
Wed 11/11
5:00 am-1:24 pm
1 stop7h 24m
Harrisburg
Sun 11/15
6:30 am-10:32 am
1 stop5h 02m
$469
St. LouisHarrisburg
STL Lambert-St Louis - MDT Harrisburg
STLMDT
Lambert-St Louis
Fri 11/13
1:08 pm-6:57 pm
1 stop4h 49m
Harrisburg
Tue 11/17
10:42 am-3:43 pm
1 stop6h 01m
$469
St. LouisHarrisburg
STL Lambert-St Louis - MDT Harrisburg
STLMDT
Lambert-St Louis
Sun 11/29
7:30 am-1:24 pm
1 stop4h 54m
Harrisburg
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$499
St. LouisHarrisburg
STL Lambert-St Louis - MDT Harrisburg
STLMDT
Lambert-St Louis
Sat 11/28
8:00 am-1:58 pm
1 stop4h 58m
Harrisburg
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$499
St. LouisHarrisburg
STL Lambert-St Louis - MDT Harrisburg
STLMDT
Lambert-St Louis
Sat 12/12
5:15 am-1:25 pm
1 stop7h 10m
Harrisburg
Sat 12/19
6:00 am-10:42 am
1 stop5h 42m
$519
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Harrisburg
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Harrisburg in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Harrisburg flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Harrisburg flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Harrisburg flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Harrisburg flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Harrisburg flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Harrisburg
Have a flexible travel schedule? Discover the best time to fly to Harrisburg from St. Louis with our price prediction graph.
STL-MDT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Harrisburg
Prices
More
What is the cheapest month to book a flight from St. Louis to Harrisburg?
Currently, April is the cheapest month in which you can book a flight from St. Louis to Harrisburg (average of $270). Flying from St. Louis to Harrisburg in September is currently the most expensive (average of $687). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from St. Louis to Harrisburg?
Airfare is typical for this route at the moment.
St. Louis to Harrisburg flights typically cost between $306 and $460 in December.The cheapest round-trip price found within the last 5 days was $321 on Delta (Dec 5-Dec 12).
What’s the top layover airport for flights from St. Louis to Harrisburg?
Share of 1-stop round-trip flights from St. Louis to Harrisburg chosen by Cheapflights users in the past 12 months, using the same layover each way.
Detroit (DTW) – chosen by Cheapflights users on 67% of 1-stop itineraries from St. Louis to Harrisburg on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to Harrisburg?
Average round-trip fare for 1-stop flights from St. Louis to Harrisburg, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Detroit (DTW) is the most affordable 1-stop option, with an average round-trip price of $265.
What’s the fastest layover option from St. Louis to Harrisburg?
Shortest average travel time for 1-stop one-way flights from St. Louis to Harrisburg, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 4h 17m.
Which airport typically offers the quickest layover for flights from St. Louis to Harrisburg?
Average layover duration for 1-stop one-way flights from St. Louis to Harrisburg, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Detroit (DTW) offer the fastest connection on this route, with an average layover time of 1h 12m.
Reviews of airlines servicing Harrisburg
Get insights into the airlines that provide service to Harrisburg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harrisburg. Reviews last updated October 30, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from St. Louis to Harrisburg have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Harrisburg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Harrisburg?
Book flights to Harrisburg if you plan to visit one of these locationsHershey
Mechanicsburg
Camp Hill
Carlisle
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St. Louis and Harrisburg flights
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Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
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Top 3 airlines flying from St. Louis to Harrisburg
Discover the top 3 airlines that operate flights from St. Louis to Harrisburg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$251 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$259 | Average$359 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$281 | Average$362 | FlexibilityNo cancel fee | On-time69% |