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$138+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — STL
dec. 24 — dec. 311
di 12/24
di 12/31
1 adult, Economy
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The best prices from Harrisburg to Lambert-St Louis are usually found in October or May, booked 23 days in advance, depart on a Thursday or Saturday and return on a Thursday

Cheap 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 december 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$138
(Frontier)

Popular in

March

Cheapest in

October

Average price

$338
Provider with most accurate pricing for Harrisburg-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Harrisburg-Lambert-St Louis flights.
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From Harrisburg to Lambert-St Louis
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High demand for flights, 16% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Harrisburg to St. Louis

Cheapest flights from Harrisburg to St. Louis
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 december 19, 2024.

This United deal was found by Cheapflights users on 12/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 12/243:00 pmMDT - STL
1 stop6h 23mUnited Airlines
do 12/265:30 pmSTL - MDT
1 stop4h 26mUnited Airlines
Deal found 12/18$484
This American Airlines deal was found by Cheapflights users on 12/18. 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.
di 12/245:00 amMDT - STL
1 stop4h 50mAmerican Airlines
do 12/262:27 pmSTL - MDT
1 stop6h 36mAmerican Airlines
Deal found 12/18$489
This Delta deal was found by Cheapflights users on 12/18. 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.
di 12/246:00 amMDT - STL
2 stops11h 59mDelta
do 12/266:29 amSTL - MDT
1 stop4h 10mDelta
Deal found 12/18$503

Find flights from Harrisburg to St. Louis within your budget

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 2,558,603 searches. Data last updated december 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HarrisburgSt. Louis

MDT - STL

MDTSTL

Harrisburg

za 1/11

1:33 pm-11:27 pm

1 stop10h 54m

Lambert-St Louis

zo 1/19

8:22 am-6:52 pm

1 stop9h 30m

$138

HarrisburgSt. Louis

MDT - STL

MDTSTL

Harrisburg

za 1/18

6:30 am-12:05 pm

1 stop6h 35m

Lambert-St Louis

vr 1/24

2:55 pm-9:13 pm

1 stop5h 18m

$318

HarrisburgSt. Louis

MDT - STL

MDTSTL

Harrisburg

vr 1/10

6:00 pm-11:37 pm

1 stop6h 37m

Lambert-St Louis

zo 1/12

6:00 am-4:14 pm

2 stops9h 14m

$323

HarrisburgSt. Louis

MDT - STL

MDTSTL

Harrisburg

do 5/15

6:36 am-9:58 am

1 stop4h 22m

Lambert-St Louis

vr 5/16

5:31 am-10:26 am

1 stop3h 55m

$478

HarrisburgSt. Louis

MDT - STL

MDTSTL

Harrisburg

vr 5/16

6:24 pm-6:27 pm

3 stops25h 03m

Lambert-St Louis

zo 5/18

7:27 pm-5:34 pm

2 stops21h 07m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

Travel insights for flights from Harrisburg to St. Louis

Get recent, data-driven insights about flights from Harrisburg to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Harrisburg to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Harrisburg to St. Louis. Price data was last updated on December 13, 2024.

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Harrisburg to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Harrisburg to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Harrisburg to St. Louis (average of $311). Flying from Harrisburg to St. Louis in March is currently the most expensive (average of $356). 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.

What is the cheapest time of day to fly from MDT to STL?

Find hourly flight availability from Harrisburg to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated december 19, 2024.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 17% on flights from Harrisburg to St. Louis by exploring options for tickets at noon.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 december 19, 2024.
See what other customers who have flown with United Airlines, American Airlines and Delta from Harrisburg to St. Louis have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,600 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,600 reviews
Delta
8.0
Very good
8,600 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,048 reviews
Delta
8.0
Very good
8,600 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,600 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Frontier
6.1
Okay
3,478 reviews
Delta
8.0
Very good
8,600 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Harrisburg to St. Louis round-trip?

    Frontier, at $138, was found to be the cheapest airline from Harrisburg to St. Louis.Alternate airlines to your destination round-trip include United Airlines and Delta. Frontier is currently priced 61% below the average price you’ll pay for this route.

  • Can I find deals for flights from Harrisburg to St. Louis that include hotel bookings?

    Yes. In addition to deals on Harrisburg to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harrisburg to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harrisburg to St. Louis.

  • Can I find deals for business class flights from Harrisburg to St. Louis?

    Yes. Cheapflights offers flight deals from Harrisburg to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Harrisburg to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Harrisburg to St. Louis (average of $311). Flying from Harrisburg to St. Louis in March is currently the most expensive (average of $356). 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.

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Alternative routes for Harrisburg to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated december 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$413FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$320FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$251Average$363FlexibilityNo cancel feeOn-time69%
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