$139 Cheap Flights from Seattle (SEA) to Harrisburg (MDT)

Bundle Your Flight + Hotel & Save!

Featured airlines

Top nine airline logos for desktop

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Seattle to Harrisburg (SEA-MDT)

Prices were available within the past 7 days and start at $139 for one-way flights and $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
United
Delta
American Airlines
Delta
Flights from Seattle (SEA) to Harrisburg (MDT)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Harrisburg Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$266
Distance
2290 mi

Seattle to Harrisburg Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Seattle to Harrisburg offer the perfect respite. Not only does exploring Harrisburg provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Seattle to Harrisburg may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Harrisburg are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Harrisburg more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Harrisburg is $139 now!

Frequently asked questions

How much is a flight from Sea-Tac Airport to Harrisburg Intl. Airport (MDT)?
The lowest price advertised for a round-trip journey from Seattle - Tacoma Intl. Airport (SEA) to Harrisburg Intl. Airport (MDT) is $267. But you better get moving. This figure is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Harrisburg Intl. Airport (MDT)?
Most flights can be canceled online, but each air carrier has its own set of terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Harrisburg Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Seattle - Tacoma Intl. Airport (SEA) to Harrisburg Intl. Airport (MDT) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from SEA to Harrisburg Intl. Airport (MDT)?
Around 2300 mi separates SeaTac and Middletown, so pack some entertainment to keep you occupied for a few hours. That novel you’re eager to read will be just the ticket.
Which airlines fly direct from SEA to Harrisburg Intl. Airport?
At the moment, no airlines offer flights directly from Sea-Tac Airport to MDT. You’ll have to book a flight with one or more stops. To get the best connections and price, lock in your fare ahead of time.
Are SEA to Harrisburg Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so not always. While last-minute flight deals between Seattle - Tacoma Intl. Airport (SEA) and Harrisburg Intl. Airport (MDT) are of course possible, it’s also a good idea to keep track of prices well before you fly. In fact, some air carriers publish their prices up to 12 months before the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking and be ready to book when the price is right.
Harrisburg nearby Airports

Lancaster

Seattle nearby Airports

Seattle Paine Field Intl. Airport

*Available to One Key members.