$156 Cheap Flights from Harrisburg (MDT) to St. Thomas (STT)

View $156 flight on Thu, Jan 1, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $156 for one-way flights and $315 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
MDT
Harrisburg
STT
St. Thomas
$315 Roundtrip, found 3 days ago
$315
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 28 from Harrisburg to St. Thomas, returning Wed, Oct 29, priced at $315 found 3 days ago
United
Sun, Dec 7 - Thu, Dec 18
MDT
Harrisburg
STT
St. Thomas
$343 Roundtrip, found 5 days ago
$343
Roundtrip
found 5 days ago
Select United flight, departing Sun, Dec 7 from Harrisburg to St. Thomas, returning Thu, Dec 18, priced at $343 found 5 days ago
Delta
Thu, Jan 1 - Tue, Jan 13
MDT
Harrisburg
STT
St. Thomas
$346 Roundtrip, found 2 days ago
$346
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Jan 1 from Harrisburg to St. Thomas, returning Tue, Jan 13, priced at $346 found 2 days ago
United
Wed, Jan 14 - Thu, Jan 15
MDT
Harrisburg
STT
St. Thomas
$363 Roundtrip, found 2 days ago
$363
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 14 from Harrisburg to St. Thomas, returning Thu, Jan 15, priced at $363 found 2 days ago
Delta
Tue, Jan 27 - Wed, Feb 11
MDT
Harrisburg
STT
St. Thomas
$377 Roundtrip, found 2 days ago
$377
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jan 27 from Harrisburg to St. Thomas, returning Wed, Feb 11, priced at $377 found 2 days ago
Delta
Wed, Feb 25 - Wed, Mar 11
MDT
Harrisburg
STT
St. Thomas
$378 Roundtrip, found 2 days ago
$378
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Feb 25 from Harrisburg to St. Thomas, returning Wed, Mar 11, priced at $378 found 2 days ago
American Airlines
Mon, Jan 26 - Wed, Feb 4
MDT
Harrisburg
STT
St. Thomas
$381 Roundtrip, found 5 days ago
$381
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Jan 26 from Harrisburg to St. Thomas, returning Wed, Feb 4, priced at $381 found 5 days ago
United
Sun, Dec 7 - Thu, Dec 18
MDT
Harrisburg
STT
St. Thomas
$388 Roundtrip, found 5 days ago
$388
Roundtrip
found 5 days ago
Select United flight, departing Sun, Dec 7 from Harrisburg to St. Thomas, returning Thu, Dec 18, priced at $388 found 5 days ago
American Airlines
Thu, Jan 1 - Wed, Jan 7
MDT
Harrisburg
STT
St. Thomas
$403 Roundtrip, found 16 hours ago
$403
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu, Jan 1 from Harrisburg to St. Thomas, returning Wed, Jan 7, priced at $403 found 16 hours ago
United
Sun, Dec 7 - Thu, Dec 18
MDT
Harrisburg
STT
St. Thomas
$405 Roundtrip, found 1 day ago
$405
Roundtrip
found 1 day ago
Select United flight, departing Sun, Dec 7 from Harrisburg to St. Thomas, returning Thu, Dec 18, priced at $405 found 1 day ago

Find the cheapest month to fly from Harrisburg (MDT) to St. Thomas (STT)

January is typically the cheapest month to fly

From $423 - $944 per traveler.

Alternative airports near St. Thomas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cyril E. King STT. Cheapest option available. Flights from $783
STT
Cyril E. King
Cheapest
Flights from $783

Frequently asked questions

How much does a flight from Harrisburg Intl. Airport (MDT) to Cyril E. King Airport (STT) cost?
Get a cheap one-way flight from $156 or cheap return flight from $315 from Harrisburg Intl. Airport (MDT) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Harrisburg Intl. Airport (MDT) to Cyril E. King Airport (STT)?
October is the cheapest month to fly from MDT to STT. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to Cyril E. King Airport (STT)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest MDT to STT flight.
How many flights per day from Harrisburg Intl. Airport (MDT) to Cyril E. King Airport (STT)?
Direct flights from Harrisburg Intl. Airport (MDT) to Cyril E. King Airport (STT) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MDT to STT?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, carrier 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 Harrisburg Intl. Airport (MDT) to Cyril E. King Airport (STT)?
To reach Cyril E. King Airport (STT) on schedule, opt for a flight that leaves Harrisburg Intl. Airport (MDT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Harrisburg Intl. Airport (MDT) to Cyril E. King Airport (STT) last-minute?
Holding off until right before your break to book your flight from MDT to STT often results in higher prices. Although you may find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for a better chance of getting a bargain.
Is it cheaper to book a MDT to STT flight and hotel package?
You'll generally save money by booking a MDT to STT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your preferred accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Cyril E. King Airport (STT)?
In most instances, you can cancel or modify your MDT to STT flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Harrisburg Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, United
Roundtrip price
$315
Distance
1665 mi

Book with confidence

Book with confidence

Harrisburg to St. Thomas Flights

The cheapest times to fly from Harrisburg to St. Thomas

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 Harrisburg to St. Thomas are during the month of October. You can find some of the cheapest flights from Harrisburg to St. Thomas with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Harrisburg to St. Thomas: 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 Harrisburg to St. Thomas

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 Harrisburg to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $156 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 Harrisburg to St. Thomas 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 Harrisburg to St. Thomas 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.

 

Harrisburg to St. Thomas Flights

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