$144 Cheap flights from Harrisburg Intl. to Seattle - Tacoma Intl. (MDT to SEA)

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Find The Best Dates To Fly from Harrisburg Intl. to Seattle - Tacoma Intl.

Compare Flight Prices from Harrisburg to Seattle

Affordable Airfare Tickets from MDT to SEA Airport

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $257 round trip and $144 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Aug 19 - Sun, Aug 31
MDT
Harrisburg
SEA
Seattle
$257 Roundtrip, found 5 days ago
$257
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Aug 19 from Harrisburg to Seattle, returning Sun, Aug 31, priced at $257 found 5 days ago
Thu, Aug 21 - Sun, Aug 31
MDT
Harrisburg
SEA
Seattle
$261 Roundtrip, found 5 days ago
$261
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Aug 21 from Harrisburg to Seattle, returning Sun, Aug 31, priced at $261 found 5 days ago
Sun, Aug 24 - Sun, Aug 31
MDT
Harrisburg
SEA
Seattle
$283 Roundtrip, found 5 days ago
$283
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Aug 24 from Harrisburg to Seattle, returning Sun, Aug 31, priced at $283 found 5 days ago
Tue, Jul 1 - Fri, Jul 4
MDT
Harrisburg
SEA
Seattle
$283 Roundtrip, found 1 day ago
$283
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jul 1 from Harrisburg to Seattle, returning Fri, Jul 4, priced at $283 found 1 day ago
Tue, Sep 23 - Tue, Sep 30
MDT
Harrisburg
SEA
Seattle
$287 Roundtrip, found 2 hours ago
$287
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Sep 23 from Harrisburg to Seattle, returning Tue, Sep 30, priced at $287 found 2 hours ago
Tue, Sep 23 - Mon, Sep 29
MDT
Harrisburg
SEA
Seattle
$287 Roundtrip, found 2 hours ago
$287
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Sep 23 from Harrisburg to Seattle, returning Mon, Sep 29, priced at $287 found 2 hours ago
Sat, Jul 19 - Wed, Jul 30
MDT
Harrisburg
SEA
Seattle
$287 Roundtrip, found 1 day ago
$287
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jul 19 from Harrisburg to Seattle, returning Wed, Jul 30, priced at $287 found 1 day ago
Sat, May 17 - Sun, May 25
MDT
Harrisburg
SEA
Seattle
$289 Roundtrip, found 7 hours ago
$289
Roundtrip
found 7 hours ago
Select United flight, departing Sat, May 17 from Harrisburg to Seattle, returning Sun, May 25, priced at $289 found 7 hours ago
Wed, May 14 - Sat, May 17
MDT
Harrisburg
SEA
Seattle
$291 Roundtrip, found 2 days ago
$291
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, May 14 from Harrisburg to Seattle, returning Sat, May 17, priced at $291 found 2 days ago
Tue, Sep 23 - Mon, Sep 29
MDT
Harrisburg
SEA
Seattle
$292 Roundtrip, found 2 hours ago
$292
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Sep 23 from Harrisburg to Seattle, returning Mon, Sep 29, priced at $292 found 2 hours ago

Frequently asked questions

Can I catch a flight from MDT to SEA right now?
For any present Seattle - Tacoma Intl. Airport (SEA) travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught up en route.
Are there direct flights from Harrisburg Intl. Airport (MDT) to Seattle - Tacoma Intl. Airport (SEA)?
Take note of your connecting gate, because there aren’t any direct flights between Harrisburg Intl. Airport (MDT) and Seattle - Tacoma Intl. Airport (SEA). American Airlines, Delta and Qatar Airways are among the airlines that will fly you to Seattle with only one stopover.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Seattle - Tacoma Intl. Airport (SEA), please visit our Customer Service Portal.
How long is the flight from MDT to Seattle - Tacoma Intl. Airport (SEA)?
It takes approximately 7 hours and 9 minutes to fly from Harrisburg Intl. Airport (MDT) to Sea-Tac Airport. You’ll be in your seat for a while, so entertain yourself with a television show or read a magazine.
What is the flight distance from Harrisburg Intl. Airport (MDT) to SEA?
The flight distance from MDT to SEA is 2,300 mi. We recommend you pack a book or some Sudoku puzzles to make your time in the air fly by.
What airlines fly from Harrisburg Intl. Airport to SEA?
Unfortunately, you won’t find any airlines that fly straight from Harrisburg Intl. Airport to SEA. But don’t let that come between you and a great vacation. Use any layover as an opportunity to have a shop, check out the local fare and potentially find the next city to add to your bucket list.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Alaska Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from Harrisburg to Seattle

 

Traveling From
Harrisburg Intl.
Traveling To
Seattle - Tacoma Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$257

Route Info

Flight path for flights from Harrisburg International Airport to Seattle-Tacoma International Airport


Origin:
MDT - Harrisburg International Airport
Destination:
SEA - Seattle-Tacoma International Airport
Distance:
2,321.00 miles


Airlines & Aircraft Used on MDT to SEA Flight Routes


Airline Carrier
Aircraft
American Airlines
Embraer EMB.110 Bandeirnate
United Airlines
Airbus A319
United Airlines
Airbus A320-100/200

Discover our best flights from Harrisburg MDT to Seattle SEA. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Harrisburg MDT to Seattle SEA at the right price  

Airfares to Seattle SEA from Harrisburg MDT currently cost between $257 and $292. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Harrisburg MDT to Seattle SEA 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Harrisburg MDT to Seattle SEA on Travelocity starting at $144. Prices and availability subject to change. Additional terms may apply. 

 

Get to Seattle SEA from Harrisburg MDT quicker with direct flights. 

Get to Seattle faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SEA from MDT to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Harrisburg MDT to Seattle SEA

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from MDT. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Harrisburg MDT to Seattle SEA today 

If you’re flexible about when you travel, August is usually the cheapest month to fly from Harrisburg MDT to Seattle SEA. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Seattle SEA from Harrisburg MDT 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SEA from MDT have this option.  

 

Travel with confidence when you book flights to Seattle SEA from Harrisburg MDT with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.