$399 Cheap Flights from Harrisburg (MDT) to Dublin (DUB)

View $399 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from Harrisburg Intl. Airport (MDT) to Dublin Airport (DUB)

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Cheap Flights from Harrisburg to Dublin (MDT-DUB)

Prices were available within the past 7 days and start at $399 for one-way flights and $477 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Dec 2 - Wed, Dec 10
MDT
Harrisburg
DUB
Dublin
$477 Roundtrip, found 9 hours ago
$477
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Dec 2 from Harrisburg to Dublin, returning Wed, Dec 10, priced at $477 found 9 hours ago
United
Sun, Nov 16 - Wed, Nov 26
MDT
Harrisburg
DUB
Dublin
$478 Roundtrip, found 12 hours ago
$478
Roundtrip
found 12 hours ago
Select United flight, departing Sun, Nov 16 from Harrisburg to Dublin, returning Wed, Nov 26, priced at $478 found 12 hours ago
Delta
Fri, Dec 5 - Tue, Dec 9
MDT
Harrisburg
DUB
Dublin
$481 Roundtrip, found 9 hours ago
$481
Roundtrip
found 9 hours ago
Select Delta flight, departing Fri, Dec 5 from Harrisburg to Dublin, returning Tue, Dec 9, priced at $481 found 9 hours ago
United
Wed, Nov 12 - Wed, Nov 19
MDT
Harrisburg
DUB
Dublin
$483 Roundtrip, found 5 days ago
$483
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 12 from Harrisburg to Dublin, returning Wed, Nov 19, priced at $483 found 5 days ago
United
Tue, Dec 2 - Tue, Dec 9
MDT
Harrisburg
DUB
Dublin
$483 Roundtrip, found 9 hours ago
$483
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Dec 2 from Harrisburg to Dublin, returning Tue, Dec 9, priced at $483 found 9 hours ago
Lufthansa
Sun, Nov 9 - Thu, Nov 27
MDT
Harrisburg
DUB
Dublin
$484 Roundtrip, found 4 days ago
$484
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, Nov 9 from Harrisburg to Dublin, returning Thu, Nov 27, priced at $484 found 4 days ago
Lufthansa
Wed, Nov 5 - Wed, Nov 19
MDT
Harrisburg
DUB
Dublin
$486 Roundtrip, found 4 days ago
$486
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Nov 5 from Harrisburg to Dublin, returning Wed, Nov 19, priced at $486 found 4 days ago
Delta
Fri, Dec 5 - Thu, Dec 11
MDT
Harrisburg
DUB
Dublin
$487 Roundtrip, found 3 days ago
$487
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Dec 5 from Harrisburg to Dublin, returning Thu, Dec 11, priced at $487 found 3 days ago
KLM
Wed, Nov 19 - Mon, Nov 24
MDT
Harrisburg
DUB
Dublin
$517 Roundtrip, found 12 hours ago
$517
Roundtrip
found 12 hours ago
Select KLM flight, departing Wed, Nov 19 from Harrisburg to Dublin, returning Mon, Nov 24, priced at $517 found 12 hours ago
British Airways
Tue, Feb 17 - Mon, Feb 23
MDT
Harrisburg
DUB
Dublin
$533 Roundtrip, found 2 days ago
$533
Roundtrip
found 2 days ago
Select British Airways flight, departing Tue, Feb 17 from Harrisburg to Dublin, returning Mon, Feb 23, priced at $533 found 2 days ago

Alternative airports near Dublin

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

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $477
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $477

Frequently asked questions

How much does a flight from Harrisburg Intl. Airport (MDT) to Dublin Airport (DUB) cost?
Lock in a cheap one-way flight from $399 or cheap return flight from $477 from Harrisburg Intl. Airport (MDT) to Dublin Airport (DUB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Harrisburg Intl. Airport (MDT) to Dublin Airport (DUB)?
The cheapest month to fly from MDT to DUB is December, when there's less demand. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to Dublin Airport (DUB)?
To find the cheapest airline flying from MDT to DUB, use Expedia's filter tool. Customize 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 see the cheapest flights first.
How many flights per day from Harrisburg Intl. Airport (MDT) to Dublin Airport (DUB)?
You'll need to catch a flight with a layover when traveling from Harrisburg Intl. Airport (MDT) to Dublin Airport (DUB). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from MDT to DUB?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on various factors, such as the carrier and season.*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 Dublin Airport (DUB)?
Book a flight from Harrisburg Intl. Airport (MDT) to Dublin Airport (DUB) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time 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 Harrisburg Intl. Airport (MDT) to Dublin Airport (DUB) last-minute?
Booking your ticket from MDT to DUB shortly before your journey is typically more expensive. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a MDT to DUB flight and hotel package?
Securing a MDT to DUB flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Dublin Airport (DUB)?
In most instances, you're able to cancel or reschedule your MDT to DUB flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more details, go to our Customer Service portal.

Travel information

Origin airport
Harrisburg Intl.
Destination airport
Dublin
Airlines serving
Air France, American Airlines, British Airways, Delta, KLM, Lufthansa, United
Roundtrip price
$477
Distance
3311 mi

Book with confidence

Harrisburg to Dublin Flights

The cheapest times to fly from Harrisburg to Dublin

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

 

The best time to book a flight from Harrisburg to Dublin

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

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 Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $399 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 Dublin 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 Dublin 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 Dublin Flights
*Available to One Key members.