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

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Popular airlines from Harrisburg Intl. Airport (MDT) to Seattle-Tacoma International Airport (SEA)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between $1,039 and $2,221 and return flights often range between $1,039 and $2,221. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
January is typically the cheapest month to fly from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares around 934 AUD. This is about 20% lower than the average price throughout the year. January sees lower prices because it falls after the busy holiday travel season, when demand drops and airlines often offer better deals. March and November are also good months to find deals on this route.
How do I find cheap flights from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) is November. This month offers a great balance, as it's one of the cheapest times to fly, with return flights averaging around 934 AUD. Plus, November is also a popular time to travel, meaning you'll have plenty of flight options to choose from. This information is based on booking data from the past year.
How many flights per day from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 36 connecting flights per day from Harrisburg Intl. (MDT) to Seattle - Tacoma Intl. (SEA). Some common connection points include O'Hare Intl. (ORD), Charlotte-Douglas Intl. (CLT), and Philadelphia Intl. (PHL).
What is the earliest flight from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Wednesday, with around 23 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United Airlines, and Delta Air Lines. Flight schedules are consistent throughout the week, with only a slight variation in the number of flights each day.
What are the most popular departure times for flights from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the early morning, from 6am to 9am. Around 33% of passengers reckon this time window's best. Heaps of major carriers, including American Airlines, United Airlines and Delta Air Lines, offer flights during this window. These early morning flights are often preferred by travelers who want to arrive at their destination with plenty of time to spare, whether for business or to kick off their holiday.
How long does it take to fly from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying from MDT to SEA with a connection usually takes about 8 hours, traveling roughly 2,291 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for MDT to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Harrisburg Intl. (MDT)?
If you're planning to travel to Seattle from Harrisburg Intl. (MDT), you can fly directly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), Philadelphia Intl. (PHL) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. 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 Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals 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, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Harrisburg, PA (MDT-Harrisburg Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Harrisburg Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
3664 km

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Your quick guide to flights from Harrisburg to Seattle

Pick up great flights from Harrisburg to Seattle

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Harrisburg to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Harrisburg to Seattle that take around hours.

Find cheap flights from Harrisburg to Seattle

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Harrisburg to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in .

Reasons to book your flight from Harrisburg to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Harrisburg to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Harrisburg to Seattle

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