$487 Cheap Flights from Harrisburg (MDT) to Seoul (GMP)

View $487 flight on Mon, Oct 6, 2025Opens in a new window

Popular airlines from Harrisburg Intl. Airport (MDT) to Gimpo Intl. Airport (GMP)

Cheap Flights from Harrisburg to Seoul (MDT-GMP)

Prices were available within the past 7 days and start at $487 for one-way flights and $1,001 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 4 - Thu, Sep 11
MDT
Harrisburg
GMP
Seoul
$1,001 Roundtrip, found 3 days ago
$1,001
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 4 from Harrisburg to Seoul, returning Thu, Sep 11, priced at $1,001 found 3 days ago
Japan Airlines
Wed, Sep 10 - Sun, Sep 28
MDT
Harrisburg
GMP
Seoul
$1,008 Roundtrip, found 5 days ago
$1,008
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Wed, Sep 10 from Harrisburg to Seoul, returning Sun, Sep 28, priced at $1,008 found 5 days ago
American Airlines
Thu, Sep 4 - Thu, Sep 11
MDT
Harrisburg
GMP
Seoul
$1,030 Roundtrip, found 3 days ago
$1,030
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 4 from Harrisburg to Seoul, returning Thu, Sep 11, priced at $1,030 found 3 days ago
American Airlines
Thu, Sep 4 - Thu, Sep 11
MDT
Harrisburg
GMP
Seoul
$1,059 Roundtrip, found 3 days ago
$1,059
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 4 from Harrisburg to Seoul, returning Thu, Sep 11, priced at $1,059 found 3 days ago
American Airlines
Thu, Sep 4 - Thu, Sep 11
MDT
Harrisburg
GMP
Seoul
$1,106 Roundtrip, found 3 days ago
$1,106
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 4 from Harrisburg to Seoul, returning Thu, Sep 11, priced at $1,106 found 3 days ago
Japan Airlines
Wed, Sep 10 - Mon, Sep 29
MDT
Harrisburg
GMP
Seoul
$1,113 Roundtrip, found 5 days ago
$1,113
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Wed, Sep 10 from Harrisburg to Seoul, returning Mon, Sep 29, priced at $1,113 found 5 days ago
American Airlines
Thu, Sep 4 - Thu, Sep 11
MDT
Harrisburg
GMP
Seoul
$1,135 Roundtrip, found 3 days ago
$1,135
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 4 from Harrisburg to Seoul, returning Thu, Sep 11, priced at $1,135 found 3 days ago
American Airlines
Sun, Nov 16 - Tue, Dec 16
MDT
Harrisburg
GMP
Seoul
$1,140 Roundtrip, found 5 days ago
$1,140
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Nov 16 from Harrisburg to Seoul, returning Tue, Dec 16, priced at $1,140 found 5 days ago
American Airlines
Thu, Sep 4 - Thu, Sep 11
MDT
Harrisburg
GMP
Seoul
$1,174 Roundtrip, found 3 days ago
$1,174
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Sep 4 from Harrisburg to Seoul, returning Thu, Sep 11, priced at $1,174 found 3 days ago
United
Fri, Apr 10 - Wed, Apr 22
MDT
Harrisburg
GMP
Seoul
$1,820 Roundtrip, found 2 days ago
$1,820
Roundtrip
found 2 days ago
Select United flight, departing Fri, Apr 10 from Harrisburg to Seoul, returning Wed, Apr 22, priced at $1,820 found 2 days ago

Alternative airports near Seoul

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

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $1,234
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $1,234
Flights from Harrisburg (MDT) to Seoul (GMP)
Origin airport
Harrisburg Intl.
Destination airport
Gimpo Intl.
Roundtrip price
$1,001
Distance
6860 mi

Harrisburg to Seoul Flights

The cheapest times to fly from Harrisburg to Seoul

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

 

The best time to book a flight from Harrisburg to Seoul

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

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 Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $487 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 Seoul 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 Seoul 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.

 

Frequently asked questions

How much does a flight from Harrisburg Intl. Airport (MDT) to Gimpo Intl. Airport (GMP) cost?
Snag a cheap one-way flight from $487 or cheap return flight from $1,001 from Harrisburg Intl. Airport (MDT) to Gimpo Intl. Airport (GMP) 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 Gimpo Intl. Airport (GMP)?
The cheapest month to fly from MDT to GMP is September, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to Gimpo Intl. Airport (GMP)?
To find the cheapest airline flying from MDT to GMP, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Harrisburg Intl. Airport (MDT) to Gimpo Intl. Airport (GMP)?
Direct flights from Harrisburg Intl. Airport (MDT) to Gimpo Intl. Airport (GMP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MDT to GMP?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Gimpo Intl. Airport (GMP)?
To avoid possible delays on the Harrisburg Intl. Airport (MDT) to Gimpo Intl. Airport (GMP) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Gimpo Intl. Airport (GMP) last-minute?
Last-minute fares from MDT to GMP are typically more expensive. For the best prices, start looking for flights as soon as possible. That said, if you're flexible with your travel plans, you may land a cheap fare right before your trip.
Is it cheaper to book a MDT to GMP flight and hotel package?
Compared with arranging hotels and flights separately, booking a MDT to GMP flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Simply pick your flights and select from our wide range of hotels, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Gimpo Intl. Airport (GMP)?
It's generally possible to cancel or reschedule your MDT to GMP flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.