Skip to main content
Beginning of main content

SEA (Seattle) to MDT (Harrisburg) Flights $343.6

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap SEA to MDT Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Seattle to Harrisburg (SEA to MDT)

Question : How many days should you spend in Middletown?
Answer : Passengers from SEA to MDT stay about one week on average.

Question : What is the cheapest day to fly in the next four weeks?
Answer : As of Jul 24th, the cheapest day to fly from Seattle to Middletown is Aug 17th. Tickets are currently being sold for $470, which is 27% below the average price for this route.

Question : How often are flights late from Seattle-Tacoma International Airport (SEA) to Harrisburg International Airport (MDT)?
Answer : The Seattle to Middletown route has been excellent at getting passengers to their destination on time, with a 100% on-time rate.

Question : Will you do what it takes to get the absolute cheapest flight?
Answer : For the month of August, the cheapest day to fly is Wednesday. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : What's the likelihood of you being delayed on this route?
Answer : SEA to MDT currently scores 4 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delay minutes. With 4 stars, you should feel confident in getting to Middletown on time.

Question : What price range should you expect when booking from Seattle (SEA) to Middletown (MDT)?
Answer : Prices for this trip tend to fluctuate less than other flights in the United States. They can range from $339 to $1,142. Remember, the sooner you book, the more you'll be able to save.

Question : Which airline is giving the best deals for round-trip flights from Seattle-Tacoma International Airport (SEA) to Harrisburg International Airport (MDT)?
Answer : United Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $339, while prices for other flights are as high as $1,142.