$160 Cheap Flights from St. Thomas (STT) to Harrisburg (MDT)

View $160 flight on Thu, Dec 18, 2025Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT)

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Cheap Flights from St. Thomas to Harrisburg (STT-MDT)

Prices were available within the past 7 days and start at $160 for one-way flights and $446 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 28 - Wed, Oct 29
STT
St. Thomas
MDT
Harrisburg
$446 Roundtrip, found 2 days ago
$446
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 28 from St. Thomas to Harrisburg, returning Wed, Oct 29, priced at $446 found 2 days ago
American Airlines
Thu, Jan 22 - Thu, Jan 29
STT
St. Thomas
MDT
Harrisburg
$474 Roundtrip, found 4 days ago
$474
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Jan 22 from St. Thomas to Harrisburg, returning Thu, Jan 29, priced at $474 found 4 days ago
United
Tue, Oct 28 - Wed, Oct 29
STT
St. Thomas
MDT
Harrisburg
$477 Roundtrip, found 2 days ago
$477
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 28 from St. Thomas to Harrisburg, returning Wed, Oct 29, priced at $477 found 2 days ago
Delta
Wed, Jan 21 - Fri, Jan 30
STT
St. Thomas
MDT
Harrisburg
$506 Roundtrip, found 4 days ago
$506
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Jan 21 from St. Thomas to Harrisburg, returning Fri, Jan 30, priced at $506 found 4 days ago
American Airlines
Thu, Jan 22 - Thu, Jan 29
STT
St. Thomas
MDT
Harrisburg
$519 Roundtrip, found 4 days ago
$519
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Jan 22 from St. Thomas to Harrisburg, returning Thu, Jan 29, priced at $519 found 4 days ago
American Airlines
Wed, Jan 21 - Fri, Jan 30
STT
St. Thomas
MDT
Harrisburg
$529 Roundtrip, found 4 days ago
$529
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Jan 21 from St. Thomas to Harrisburg, returning Fri, Jan 30, priced at $529 found 4 days ago
Delta
Thu, Jan 22 - Thu, Jan 29
STT
St. Thomas
MDT
Harrisburg
$538 Roundtrip, found 4 days ago
$538
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 22 from St. Thomas to Harrisburg, returning Thu, Jan 29, priced at $538 found 4 days ago
American Airlines
Tue, Oct 28 - Wed, Oct 29
STT
St. Thomas
MDT
Harrisburg
$543 Roundtrip, found 2 days ago
$543
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 28 from St. Thomas to Harrisburg, returning Wed, Oct 29, priced at $543 found 2 days ago
American Airlines
Tue, Oct 28 - Wed, Oct 29
STT
St. Thomas
MDT
Harrisburg
$545 Roundtrip, found 2 days ago
$545
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 28 from St. Thomas to Harrisburg, returning Wed, Oct 29, priced at $545 found 2 days ago
American Airlines
Thu, Jan 22 - Thu, Jan 29
STT
St. Thomas
MDT
Harrisburg
$564 Roundtrip, found 4 days ago
$564
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Jan 22 from St. Thomas to Harrisburg, returning Thu, Jan 29, priced at $564 found 4 days ago

Frequently asked questions

How much does a flight from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT) cost?
Get a cheap one-way flight from $160 or cheap return flight from $446 from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT)?
Planning your trip for October can help you save, as it's the cheapest month for flights between STT and MDT. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT)?
To find the cheapest airline that'll fly you from STT to MDT, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT)?
Nonstop flights from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STT to MDT?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT)?
Opt for a flight from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT) last-minute?
Waiting until just before your trip to book your flight from STT to MDT often results in higher prices. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your itinerary to boost your chances of getting a bargain.
Is it cheaper to book a STT to MDT flight and hotel package?
Compared with arranging hotels and flights separately, booking a STT to MDT flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to Harrisburg Intl. Airport (MDT)?
Typically, you can cancel or modify your STT to MDT flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Cyril E. King
Destination airport
Harrisburg Intl.
Airlines serving
Delta
Roundtrip price
$446
Distance
1665 mi

Book with confidence

Book with confidence

St. Thomas to Harrisburg Flights

The cheapest times to fly from St. Thomas to Harrisburg

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Thomas to Harrisburg are during the month of October. You can find some of the cheapest flights from St. Thomas to Harrisburg with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Thomas to Harrisburg

Sunday is one of the best days to book for cheap flights from St. Thomas to Harrisburg: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Thomas to Harrisburg

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Thomas to Harrisburg in 2025. You can also book with separate airlines for your outbound and return journeys, from $160 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Thomas to Harrisburg flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Thomas to Harrisburg airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Thomas to Harrisburg Flights

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*Available to One Key members.