SEA - MDT

$293 Find Cheap Flights from Seattle to Harrisburg - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$361
Typical prices: $380-$598
American Airlines
Sun 11/25Wed 12/5
SEA - MDT • 1 stop
Cheapest one-way
$293
Typical prices: $279-$423
Delta
Sat 10/13
SEA - MDT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and Harrisburg. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
April
Cheapest • 12% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Philadelphia (PHL)
Cheapest • Avg $484 (round-trip)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 7h 46m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Harrisburg (SEA-MDT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Harrisburg

Wed, Nov 25 - Sat, Dec 5
American Airlines Logo
12:45 pm - 10:45 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
7h 00m1 stop Philadelphia
American Airlines Logo
2:56 pm - 9:59 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
10h 03m1 stop Philadelphia
$361American Airlines
Fri, Oct 9 - Sat, Oct 10
American Airlines Logo
10:48 pm - 11:42 amSEA  Seattle/Tacoma Intl-MDT Harrisburg
9h 54m1 stop Philadelphia
American Airlines Logo
3:15 pm - 8:14 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
7h 59m1 stop Chicago O'Hare Intl
$364American Airlines
Wed, Nov 25 - Sat, Dec 5
United Airlines Logo
7:04 pm - 9:45 amSEA  Seattle/Tacoma Intl-MDT Harrisburg
11h 41m2 stops Denver Intl Washington, D.C. Dulles Intl
United Airlines Logo
5:39 pm - 10:33 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
7h 54m1 stop Chicago O'Hare Intl
$366United Airlines
Fri, Oct 9 - Sat, Oct 17
Delta Logo
11:10 pm - 11:33 amSEA  Seattle/Tacoma Intl-MDT Harrisburg
9h 23m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:25 pm - 11:52 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
8h 27m1 stop Atlanta Hartsfield-Jackson
$370Delta
Wed, Nov 4 - Sun, Nov 8
American Airlines Logo
12:38 pm - 11:21 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
7h 43m1 stop Charlotte Douglas
American Airlines Logo
6:15 am - 11:34 amMDT  Harrisburg-SEA Seattle/Tacoma Intl
8h 19m1 stop Philadelphia
$370American Airlines
Thu, Oct 22 - Fri, Oct 30
United Airlines Logo
11:13 pm - 9:51 amSEA  Seattle/Tacoma Intl-MDT Harrisburg
7h 38m1 stop Chicago O'Hare Intl
United Airlines Logo
6:15 am - 3:32 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
12h 17m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$384United Airlines
Wed, Oct 14 - Wed, Oct 21
United Airlines Logo
7:25 pm - 9:51 amSEA  Seattle/Tacoma Intl-MDT Harrisburg
11h 26m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
6:30 am - 11:27 amMDT  Harrisburg-SEA Seattle/Tacoma Intl
7h 57m1 stop Chicago O'Hare Intl
$386United Airlines
Tue, Oct 13 - Wed, Oct 14
Delta Logo
6:00 am - 4:06 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
7h 06m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:06 pm - 11:52 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
8h 46m1 stop Atlanta Hartsfield-Jackson
$585Delta
Tue, Nov 3 - Fri, Nov 6
Alaska Airlines Logo
8:32 am - 7:02 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
7h 30m1 stop Philadelphia
Alaska Airlines Logo
3:15 pm - 9:28 amMDT  Harrisburg-SEA Seattle/Tacoma Intl
21h 13m2 stops Chicago O'Hare Intl San Diego
$665Alaska Airlines
Fri, Oct 9 - Sat, Oct 17
Alaska Airlines Logo
10:59 pm - 7:32 pmSEA  Seattle/Tacoma Intl-MDT Harrisburg
17h 33m2 stops Portland Chicago O'Hare Intl
Alaska Airlines Logo
12:10 pm - 10:33 pmMDT  Harrisburg-SEA Seattle/Tacoma Intl
13h 23m2 stops Chicago O'Hare Intl San Diego
$670Alaska Airlines
Booking Insights

Price, demand and travel trends for Seattle to Harrisburg flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Harrisburg with more confidence.

How much is a round-trip flight from Seattle to Harrisburg?

Round-trip flights from Seattle to Harrisburg start at $361. Prices are below average for this route right now, with typical round-trip fares ranging from $380 to $598. The lowest price found in the past 5 days was $361 on American Airlines.

What's the cheapest day of the week to fly from Seattle to Harrisburg?

Tuesday is the cheapest day of the week to fly from Seattle to Harrisburg, it is 27% cheaper than the average day. Sunday is the most expensive day with flight prices 67% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Seattle to Harrisburg?

  • April is the cheapest month to fly from Seattle to Harrisburg at $418 round-trip.
  • December ($658) and June ($633) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 57% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Seattle to Harrisburg flights

Low season

January

Cheapest flight

$293
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Seattle to Harrisburg

When to book flights from Seattle to Harrisburg

Are your dates flexible? Find out the best times to travel from Seattle to Harrisburg based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Harrisburg flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Seattle to Harrisburg?

    Flights from Seattle to Harrisburg usually depart from Seattle/Tacoma Intl (SEA) and arrive at Harrisburg (MDT).

  • What cabin classes can I book on flights from Seattle to Harrisburg?

    Two cabin classes are available on flights from Seattle to Harrisburg:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Seattle to Harrisburg pass through?

    One-stop flights from Seattle to Harrisburg most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 79% of one-stop connections
    • Philadelphia (PHL) - 11% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 7% of one-stop connections
    • Charlotte Douglas (CLT) - 3% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Seattle to Harrisburg?

    Yes. Being flexible with your travel dates can save you up to 57% on the Seattle to Harrisburg route. Tuesday is the cheapest departure day at $351 round-trip on average, while Sunday is the most expensive at $798, a difference of $447. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Seattle to Harrisburg?

    A nonstop flight from Seattle to Harrisburg takes 0h 00m, covering 2,289 miles.

  • Do I need a passport to fly from Seattle to Harrisburg?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Seattle to Harrisburg changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $361 to $2,185. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Seattle to Harrisburg looking right now?

    One-way fares from Seattle to Harrisburg are currently in line with typical prices for this route. Average one-way fares are about $328.

  • How much time can I save by choosing a different layover airport from Seattle to Harrisburg?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 7h 46m, compared with 8h 03m via Chicago O'Hare Intl (ORD) and 8h 27m via Charlotte Douglas (CLT).

  • What is the time difference between Seattle and Harrisburg?

    Harrisburg is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Harrisburg Airport (MDT)?

    Harrisburg Airport (MDT) hosts 5 major car rental companies, with daily rates starting from around $32 for economy cars. Top options include:
    • Hertz
    • Alamo
    • Budget
    • Enterprise Rent-A-Car
    • Avis

  • How much should I expect to pay for a Seattle to Harrisburg flight?

    Round-trip flights from Seattle to Harrisburg range from $380 to $598, with an average of $476 over the past 12 months. Anything below $380 counts as a good deal.

Your guide to booking Seattle to Harrisburg flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $351 - about $447 less than Sunday (56% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Harrisburg trip for April. Fares historically average $418 round-trip in that month - typically $240 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Seattle to Harrisburg

Complete your trip to Harrisburg with a hotel stay or car rental

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