$511 Cheap Flights from Harrisburg (MDT) to Shannon (SNN)

View $511 flight on Mon, Mar 2, 2026Opens in a new window

Popular airlines from Harrisburg Intl. Airport (MDT) to Shannon Airport (SNN)

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Cheap Flights from Harrisburg to Shannon (MDT-SNN)

Prices were available within the past 7 days and start at $511 for one-way flights and $554 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Apr 5 - Tue, Apr 21
MDT
Harrisburg
SNN
Shannon
$554 Roundtrip, found 1 day ago
$554
Roundtrip
found 1 day ago
Select United flight, departing Sun, Apr 5 from Harrisburg to Shannon, returning Tue, Apr 21, priced at $554 found 1 day ago
United
Wed, Apr 8 - Tue, Apr 28
MDT
Harrisburg
SNN
Shannon
$561 Roundtrip, found 1 day ago
$561
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 8 from Harrisburg to Shannon, returning Tue, Apr 28, priced at $561 found 1 day ago
United
Wed, Apr 15 - Tue, May 5
MDT
Harrisburg
SNN
Shannon
$569 Roundtrip, found 1 day ago
$569
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 15 from Harrisburg to Shannon, returning Tue, May 5, priced at $569 found 1 day ago
United
Wed, Apr 15 - Wed, May 6
MDT
Harrisburg
SNN
Shannon
$576 Roundtrip, found 1 day ago
$576
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 15 from Harrisburg to Shannon, returning Wed, May 6, priced at $576 found 1 day ago
United
Tue, Apr 28 - Tue, May 12
MDT
Harrisburg
SNN
Shannon
$587 Roundtrip, found 1 day ago
$587
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 28 from Harrisburg to Shannon, returning Tue, May 12, priced at $587 found 1 day ago
United
Tue, Apr 21 - Sat, May 2
MDT
Harrisburg
SNN
Shannon
$599 Roundtrip, found 1 day ago
$599
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 21 from Harrisburg to Shannon, returning Sat, May 2, priced at $599 found 1 day ago
Lufthansa
Fri, Apr 17 - Tue, May 5
MDT
Harrisburg
SNN
Shannon
$643 Roundtrip, found 1 day ago
$643
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Apr 17 from Harrisburg to Shannon, returning Tue, May 5, priced at $643 found 1 day ago
American Airlines
Tue, Jan 13 - Tue, Jan 27
MDT
Harrisburg
SNN
Shannon
$678 Roundtrip, found 1 day ago
$678
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jan 13 from Harrisburg to Shannon, returning Tue, Jan 27, priced at $678 found 1 day ago
British Airways
Mon, Mar 2 - Thu, Apr 2
MDT
Harrisburg
SNN
Shannon
$721 Roundtrip, found 3 days ago
$721
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Mar 2 from Harrisburg to Shannon, returning Thu, Apr 2, priced at $721 found 3 days ago
Delta
Mon, Jul 20 - Wed, Aug 5
MDT
Harrisburg
SNN
Shannon
$906 Roundtrip, found 2 days ago
$906
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Jul 20 from Harrisburg to Shannon, returning Wed, Aug 5, priced at $906 found 2 days ago

Alternative airports near Shannon

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

Select flight to Shannon Airport SNN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $753
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $753

Frequently asked questions

How much does a flight from Harrisburg Intl. Airport (MDT) to Shannon Airport (SNN) cost?
Secure a cheap one-way flight from $511 or cheap return flight from $554 from Harrisburg Intl. Airport (MDT) to Shannon Airport (SNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Harrisburg Intl. Airport (MDT) to Shannon Airport (SNN)?
The cheapest month to fly from MDT to SNN is April, when there's less demand. Off-peak months are typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to Shannon Airport (SNN)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest MDT to SNN flight.
How many flights per day from Harrisburg Intl. Airport (MDT) to Shannon Airport (SNN)?
There are no daily nonstop flights available from Harrisburg Intl. Airport (MDT) to Shannon Airport (SNN). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from MDT to SNN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, such as the season and airline.*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 Shannon Airport (SNN)?
To land at Shannon Airport (SNN) on schedule, pick a flight that leaves Harrisburg Intl. Airport (MDT) before 3 PM. The chance 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 Shannon Airport (SNN) last-minute?
Booking your ticket from MDT to SNN shortly before your getaway is typically more expensive. However, if there's some wiggle room with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a MDT to SNN flight and hotel package?
You'll typically save money by securing a MDT to SNN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Shannon Airport (SNN)?
Typically, you're able to reschedule or cancel your MDT to SNN flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Origin airport
Harrisburg Intl.
Destination airport
Shannon
Airlines serving
American Airlines, Lufthansa, United
Roundtrip price
$554
Distance
3214 mi

Book with confidence

Harrisburg to Shannon Flights

The cheapest times to fly from Harrisburg to Shannon

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

 

The best time to book a flight from Harrisburg to Shannon

Sunday is one of the best days to book for cheap flights from Harrisburg to Shannon: 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 Shannon

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 Shannon in 2026. You can also book with separate airlines for your outbound and return journeys, from $511 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 Shannon 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 Shannon 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 Shannon Flights

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*Available to One Key members.