SEA - IPT

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1 adult
1 adult, Economy, 0 bags

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Everything you should know

Top layover airports
Washington, D.C. Dulles Intl (IAD)
Cheapest • Avg $829 (round-trip)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 8h 22m (one-way)
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Cheap Flights from Seattle to Williamsport (SEA-IPT)

 
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Recent round-trip flight deals from Seattle to Williamsport

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SEA  Seattle/Tacoma Airport-IPT Williamsport Lycoming County
2249 mimulti-stop
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IPT  Williamsport Lycoming County-SEA Seattle/Tacoma Airport
2249 mimulti-stop
Multiple Airlines
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Price, demand and travel trends for Seattle to Williamsport flights

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

What is the most popular layover airport when flying from Seattle to Williamsport?

Detroit Metropolitan Wayne County (DTW) and Washington, D.C. Dulles Intl (IAD) are the most popular layovers for the Seattle to Williamsport route. 50% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DTW or IAD.

What is the cheapest layover airport when flying from Seattle to Williamsport?

Flights via Washington, D.C. Dulles Intl (IAD) offer the most affordable fares, with an average round-trip price of $829. Based on KAYAK data over the past 3 months.

When flying from Seattle to Williamsport which airport offers the shortest layover?

Washington, D.C. Dulles Intl (IAD) had the shortest average connection time for Seattle to Williamsport layovers at 304 minutes over the past 3 months.

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When to book flights from Seattle to Williamsport

Are your dates flexible? Find out the best times to travel from Seattle to Williamsport 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 Williamsport 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 Williamsport?

    Flights from Seattle to Williamsport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Williamsport Lycoming County (IPT).

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

    Connecting flights from Seattle to Williamsport most commonly pass through:

    • Detroit Metropolitan Wayne County (DTW) - 50% of one-stop connections
    • Washington, D.C. Dulles Intl (IAD) - 50% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • How long is a flight from Seattle to Williamsport?

    There are currently no nonstop flights available from Seattle to Williamsport. Flights with 1 layover take between 8h 07m and 8h 22m in total, depending on the connection.

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

    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.

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

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time at 8h 07m, compared with 8h 22m via Detroit Metropolitan Wayne County (DTW).

  • What is the time difference between Seattle and Williamsport?

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

Your guide to booking Seattle to Williamsport flights

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Information on your arrival and departure airports

Seattle (SEA)
Williamsport (IPT)