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$923+ Cheap flights from Seattle to Williamsport (SEA - IPT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IPT
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Seattle to Williamsport

Cheapest flights from Seattle to Williamsport
Explore the most affordable flight options available from Seattle to Williamsport. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:40 pm
SEA
-
IPT
1 stop13h 44m
Multiple Airlines
Sun 3/2910:10 am
IPT
-
SEA
1 stop14h 52m
Multiple Airlines
Deal found 2/3$923

Find flight deals from Seattle to Williamsport

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Williamsport (IPT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$923
(Expedia)
Provider with most accurate pricing for Seattle/Tacoma Intl-Williamsport Lycoming County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Williamsport Lycoming County flights.
Search Deals
From Seattle/Tacoma Intl to Williamsport Lycoming County
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Williamsport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Seattle to Williamsport that are best for you.

Fly from

Seattle

Fly to

Williamsport

Route

Depart

Return

Price

SeattleWilliamsport

SEA - IPT

SEAIPT

Seattle/Tacoma Intl

Thu 3/26

9:40 pm-2:24 pm

1 stop13h 44m

Williamsport Lycoming County

Sun 3/29

10:10 am-10:02 pm

1 stop14h 52m

$923

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

  • Most accurate provider: When it comes to deals on Seattle-Williamsport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Williamsport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Williamsport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Williamsport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Williamsport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Williamsport

Have a flexible travel schedule? Discover the best time to fly to Williamsport from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Williamsport

What is the cheapest month to book a flight from Seattle to Williamsport?

Currently, May is the cheapest month in which you can book a flight from Seattle to Williamsport (average of $182). Flying from Seattle to Williamsport in October is currently the most expensive (average of $313). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Williamsport. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Seattle to Williamsport that include hotel bookings?

    Yes. In addition to deals on Seattle to Williamsport flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Williamsport?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Williamsport.

  • Can I find deals for business class flights from Seattle to Williamsport?

    Yes. Cheapflights offers flight deals from Seattle to Williamsport by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Williamsport?

    Currently, May is the cheapest month in which you can book a flight from Seattle to Williamsport (average of $182). Flying from Seattle to Williamsport in October is currently the most expensive (average of $313). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Williamsport?

Book flights to Williamsport if you plan to visit one of these locations
Bloomsburg
Lewisburg

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