
$122 Cheap American Airlines flights from Harrisburg to Seattle (MDT to SEA)
Find The Best Day To Fly from Harrisburg to Seattle
Amazing American Airlines MDT to SEA Flight Deals
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $248 round trip and $122 one way. Prices and availability subject to change. Additional terms may apply.
SEA From MDT Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best American Airlines flight from Harrisburg MDT to Seattle SEA
To find the best deals on flights to Harrisburg from Seattle with American Airlines, just enter your travel dates, filter by American Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Harrisburg MDT to Seattle SEA with American Airlines
If you’re planning a round trip, booking return flights with American Airlines is usually the most cost-effective option. With airfares ranging from $248 to $337, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way American Airlines flights from Harrisburg MDT to Seattle SEA
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way American Airlines flight from Harrisburg to Seattle costs from $122. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Seattle SEA from Harrisburg MDT with American Airlines
To find a cheap American Airlines flight from Harrisburg MDT to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on American Airlines flights from Harrisburg MDT to Seattle SEA
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover.
Find nonstop flights from Harrisburg MDT to Seattle SEA with American Airlines
If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct American Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for American Airlines flights from Harrisburg MDT to Seattle SEA
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Seattle SEA from Harrisburg MDT with American Airlines on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
DFW | USA | Dallas-Fort Worth Intl. | 599 |
CLT | USA | Charlotte-Douglas Intl. | 536 |
ORD | USA | O'Hare Intl. | 317 |
PHL | USA | Philadelphia Intl. | 247 |
MIA | USA | Miami Intl. | 193 |
DCA | USA | Ronald Reagan Washington National | 152 |
PHX | USA | Sky Harbor Intl. | 141 |
LAX | USA | Los Angeles Intl. | 81 |
LGA | USA | LaGuardia | 72 |
BOS | USA | Logan Intl. | 57 |
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Popular American Airlines Flight Routes from MDT
Top American Airlines Flight Routes from SEA
Top Flights for American Airlines originating from MDT
Domestic
- Chicago to San Juan (ORD - SJU)
- Philadelphia to Orlando (PHL - MCO)
- Dallas to Las Vegas (DFW - LAS)
- Dallas to Las Vegas (DFW - LAS)
- Newark Liberty Intl. Airport to Santo Domingo (EWR - SDQ)
- New York to Las Vegas (JFK - LAS)
- Chicago to Las Vegas (ORD - LAS)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Newark Liberty Intl. Airport to Las Vegas (EWR - LAS)
- Philadelphia to Orlando (PHL - MCO)
International
- Chicago to San Juan (ORD - SJU)
- New York to San Juan (LGA - SJU)
- New York to Santiago (JFK - STI)
- New York to Santo Domingo (JFK - SDQ)
- Chicago to Las Vegas (ORD - LAS)
- Los Angeles to San Salvador (LAX - SAL)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Philadelphia to Orlando (PHL - MCO)
- New York to Santiago (JFK - STI)
- New York to San Juan (JFK - SJU)
Most Popular
- Philadelphia to Miami (PHL - MIA)
- JetBlue Airways Boston (BOS) to Orlando (MCO) flights
- JetBlue Airways Orlando (MCO) to Las Vegas (LAS) flights
- Boston to Miami (BOS - MIA)
- American Airlines Dallas (DFW) to Las Vegas (LAS) flights
- JetBlue Airways Boston (BOS) to Las Vegas (LAS) flights
- New York to Fort Lauderdale (JFK - FLL)
- Baltimore to Las Vegas (BWI - LAS)
- Dallas to Atlanta (DFW - ATL)
- Boston to Los Angeles (BOS - LAX)
- Philadelphia to Atlanta (PHL - ATL)
- Delta Atlanta (ATL) to Las Vegas (LAS) flights
- Dallas to Orlando (DFW - MCO)
- Los Angeles to Dallas (LAX - DFW)
- Chicago to Dallas (ORD - DFW)
- Dallas to Denver (DFW - DEN)
- Dallas to Chicago (DFW - ORD)
- Boston to Washington (BOS - DCA)
- Delta Minneapolis - St. Paul (MSP) to Las Vegas (LAS) flights
- Portland to Las Vegas (PDX - LAS)
- Philadelphia to Tampa (PHL - TPA)
- Philadelphia to Orlando (PHL - MCO)
- Los Angeles to Boston (LAX - BOS)
- JetBlue Airways Boston (BOS) to San Juan (SJU) flights
- Delta Detroit (DTW) to Las Vegas (LAS) flights
- Atlanta to Dallas (ATL - DFW)
- Dallas to Miami (DFW - MIA)
- Cleveland to Orlando (CLE - MCO)
- Los Angeles to Seattle (LAX - SEA)
- Dallas to Los Angeles (DFW - LAX)