$284+ Cheap flights from Harrisburg to St. Louis (MDT - STL)
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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — STL
Nov 13 — Nov 201
Round-trip
1 adult, Economy
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Find cheap flights from Harrisburg to St. Louis 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 Harrisburg to St. Louis
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Cheapest flights from Harrisburg to St. LouisExplore the most affordable flight options available from Harrisburg to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
Explore the most affordable flight options available from Harrisburg to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
This American Airlines deal was found by Cheapflights users on 10/10. 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 12/98:20 pm -
1 stop4h 42m
Sat 12/121:43 pm -
1 stop7h 45m
Deal found 10/10![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 10/12. 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 11/47:52 pm -
1 stop5h 07m
Wed 11/1111:35 am -
1 stop6h 47m
Deal found 10/12![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Fri 11/136:34 am -
1 stop5h 19m
Sun 11/156:02 am -
1 stop6h 27m
Deal found 10/10![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/9. 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.
Tue 10/2710:42 am -
1 stop4h 56m
Tue 11/37:26 am -
1 stop6h 19m
Deal found 10/9![American Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 10/12. 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 11/97:52 pm -
1 stop5h 07m
Mon 11/161:20 pm -
1 stop7h 55m
Deal found 10/12![American Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Sun 11/222:15 pm -
1 stop6h 49m
Sat 11/287:26 am -
1 stop6h 18m
Deal found 10/10![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/12. 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 12/266:00 am -
1 stop7h 26m
Thu 12/317:18 am -
1 stop5h 17m
Deal found 10/12![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/10. 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 11/256:03 am -
1 stop5h 31m
Mon 11/307:26 am -
1 stop6h 16m
Deal found 10/10![American Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/2112:10 pm -
1 stop5h 43m
Sun 10/256:00 am -
1 stop4h 42m
Deal found 10/13![American Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Fri 10/236:08 am -
1 stop5h 42m
Sun 10/256:00 am -
1 stop4h 42m
Deal found 10/12![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 10/9. 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 12/268:19 pm -
1 stop5h 01m
Thu 12/314:32 pm -
1 stop4h 59m
Deal found 10/9![American Airlines logo]()
$433
Best flights from Harrisburg to St. LouisDiscover carefully curated flight deals from Harrisburg to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
Discover carefully curated flight deals from Harrisburg to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
This Delta deal was found by Cheapflights users on 10/9. 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 11/1212:09 pm -
1 stop6h 05m
Mon 11/236:26 pm -
1 stop3h 40m
Deal found 10/9![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Sun 11/86:30 am -
1 stop5h 02m
Sun 11/156:00 am -
1 stop6h 24m
Deal found 10/11![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 10/13. 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.
Sun 11/222:15 pm -
1 stop6h 49m
Sat 11/285:50 am -
1 stop6h 55m
Deal found 10/13![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/11. 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 10/235:54 pm -
1 stop4h 27m
Thu 10/298:00 am -
1 stop4h 58m
Deal found 10/11![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/286:30 am -
1 stop6h 40m
Sun 11/18:00 am -
1 stop4h 58m
Deal found 10/12![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Thu 11/1210:30 am -
2 stops12h 10m
Mon 11/235:00 am -
1 stop7h 24m
Deal found 10/12![United Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Thu 2/410:25 am -
2 stops10h 03m
Tue 2/91:17 pm -
1 stop4h 54m
Deal found 10/9![United Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/266:00 am -
1 stop7h 26m
Thu 12/315:20 am -
2 stops12h 28m
Deal found 10/13![United Airlines logo]()
$587
Last-minute flights from Harrisburg to St. LouisDiscover last-minute flight deals from Harrisburg to St. Louis. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to St. Louis. Data last updated October 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Fri 10/166:08 am -
1 stop5h 42m
Mon 10/197:28 am -
1 stop6h 13m
Deal found 10/12![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/2112:10 pm -
1 stop5h 43m
Sun 10/256:00 am -
1 stop4h 42m
Deal found 10/13![American Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 10/12. 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.
Fri 10/236:08 am -
1 stop5h 42m
Sun 10/256:00 am -
1 stop4h 42m
Deal found 10/12![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/9. 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 10/245:54 pm -
1 stop6h 37m
Wed 10/2810:53 am -
1 stop5h 01m
Deal found 10/9![United Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 10/9. 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.
Tue 10/2710:42 am -
1 stop4h 56m
Tue 11/37:26 am -
1 stop6h 19m
Deal found 10/9![American Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 10/12. 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 11/47:52 pm -
1 stop5h 07m
Wed 11/1111:35 am -
1 stop6h 47m
Deal found 10/12![American Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Sun 11/810:02 pm -
2 stops16h 29m
Thu 11/124:26 pm -
1 stop20h 40m
Deal found 10/13![Multiple Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 10/12. 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 11/97:52 pm -
1 stop5h 07m
Mon 11/161:20 pm -
1 stop7h 55m
Deal found 10/12![American Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Fri 11/136:34 am -
1 stop5h 19m
Sun 11/156:02 am -
1 stop6h 27m
Deal found 10/10![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Sun 11/222:15 pm -
1 stop6h 49m
Sat 11/287:26 am -
1 stop6h 18m
Deal found 10/10![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 10/10. 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 11/256:03 am -
1 stop5h 31m
Mon 11/307:26 am -
1 stop6h 16m
Deal found 10/10![American Airlines logo]()
$390
One-way flights from Harrisburg to St. LouisSearch for one-way flight options from Harrisburg to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
Search for one-way flight options from Harrisburg to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Fri 11/133:15 pm -
1 stop5h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![American Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Sun 11/156:34 am -
1 stop5h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![American Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Sun 11/156:15 am -
2 stops6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![United Airlines logo]()
$733
Find flight deals from Harrisburg to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to St. Louis (STL). 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 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $321 (American Airlines) |
One-way from | $284 (American Airlines) |
Popular in | August |
Cheapest in | January |
Average price | $425 |
Cheapflights Fare Finder
Customize your flight search to find flights from Harrisburg to St. Louis 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 14, 2026.
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
Cheapest round-trip
Quickest round-trip
HarrisburgSt. Louis
MDT Harrisburg - STL Lambert-St Louis
MDTSTL
Harrisburg
Fri 11/13
3:15 pm-7:22 pm
1 stop5h 07m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$284
HarrisburgSt. Louis
MDT Harrisburg - STL Lambert-St Louis
MDTSTL
Harrisburg
Thu 11/12
12:09 pm-5:14 pm
1 stop6h 05m
Lambert-St Louis
Mon 11/23
6:26 pm-11:06 pm
1 stop3h 40m
$339
HarrisburgSt. Louis
MDT Harrisburg - STL Lambert-St Louis
MDTSTL
Harrisburg
Sun 11/8
6:30 am-10:32 am
1 stop5h 02m
Lambert-St Louis
Sun 11/15
6:00 am-1:24 pm
1 stop6h 24m
$354
HarrisburgSt. Louis
MDT Harrisburg - STL Lambert-St Louis
MDTSTL
Harrisburg
Sun 11/15
6:34 am-10:53 am
1 stop5h 19m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$374
HarrisburgSt. Louis
MDT Harrisburg - STL Lambert-St Louis
MDTSTL
Harrisburg
Sun 11/22
2:15 pm-8:04 pm
1 stop6h 49m
Lambert-St Louis
Sat 11/28
5:50 am-1:45 pm
1 stop6h 55m
$384
HarrisburgSt. Louis
MDT Harrisburg - STL Lambert-St Louis
MDTSTL
Harrisburg
Fri 10/23
5:54 pm-9:21 pm
1 stop4h 27m
Lambert-St Louis
Thu 10/29
8:00 am-1:58 pm
1 stop4h 58m
$499
HarrisburgSt. Louis
MDT Harrisburg - STL Lambert-St Louis
MDTSTL
Harrisburg
Wed 10/28
6:30 am-12:10 pm
1 stop6h 40m
Lambert-St Louis
Sun 11/1
8:00 am-1:58 pm
1 stop4h 58m
$519
HarrisburgSt. Louis
MDT Harrisburg - STL Lambert-St Louis
MDTSTL
Harrisburg
Thu 11/12
10:30 am-9:40 pm
2 stops12h 10m
Lambert-St Louis
Mon 11/23
5:00 am-1:24 pm
1 stop7h 24m
$552
HarrisburgSt. Louis
MDT Harrisburg - STL Lambert-St Louis
MDTSTL
Harrisburg
Thu 2/4
10:25 am-7:28 pm
2 stops10h 03m
Lambert-St Louis
Tue 2/9
1:17 pm-7:11 pm
1 stop4h 54m
$568
HarrisburgSt. Louis
MDT Harrisburg - STL Lambert-St Louis
MDTSTL
Harrisburg
Sat 12/26
6:00 am-12:26 pm
1 stop7h 26m
Lambert-St Louis
Thu 12/31
5:20 am-6:48 pm
2 stops12h 28m
$587
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Harrisburg to St. Louis
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 Harrisburg to St. Louis in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Harrisburg-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harrisburg-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harrisburg-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harrisburg-St. Louis 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 Harrisburg-St. Louis 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 Harrisburg to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Harrisburg with our price prediction graph.
MDT-STL
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 Harrisburg to St. Louis
What is the cheapest month to book a flight from Harrisburg to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Harrisburg to St. Louis (average of $304). Flying from Harrisburg to St. Louis in August is currently the most expensive (average of $708). 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 Harrisburg to St. Louis?
Airfare is typical for this route at the moment.
Harrisburg to St. Louis flights typically cost between $318 and $735 in December.The cheapest round-trip price found within the last 5 days was $321 on American Airlines (Dec 9-Dec 12).
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated October 14, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Harrisburg to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Harrisburg to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Chesterfield
Collinsville
Edwardsville
Glencoe
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Harrisburg and St. Louis flights
Browse other Harrisburg and St. Louis flight options. Last updated on October 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 14, 2026.
Top 3 airlines flying from Harrisburg to St. Louis
Discover the top 3 airlines that operate flights from Harrisburg to St. Louis. 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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$397 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$287 | Average$392 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$304 | Average$486 | FlexibilityNo cancel fee | On-time69% |