$318+ Cheap flights from Seattle to Williamsport (SEA - IPT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IPT
Aug 19 — Aug 261
1 adult, Economy
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Find cheap flights from Seattle to Williamsport with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap 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 August 14, 2025.
Round-trip from | $604 (KAYAK) |
|---|---|
One-way from | $318 (Trip.com) |
Find flight deals from Seattle to Williamsport
Cheapest flights from Seattle to WilliamsportExplore 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 August 14, 2025.
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 August 14, 2025.
This KAYAK deal was found by Cheapflights users on 8/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/114:20 pmSEA - IPT
1 stop18h 55mMultiple Airlines
Sun 9/142:50 pmIPT - SEA
1 stop21h 50mMultiple Airlines
Deal found 8/12![Multiple Airlines logo]()
$604
This Orbitz deal was found by Cheapflights users on 8/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:29 pmSEA - IPT
1 stop12h 46mMultiple Airlines
Wed 11/122:50 pmIPT - SEA
1 stop9h 22mMultiple Airlines
Deal found 8/14![Multiple Airlines logo]()
$670
This Orbitz deal was found by Cheapflights users on 8/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1711:10 pmSEA - IPT
3 stops16h 49mMultiple Airlines
Tue 8/195:50 amIPT - SEA
2 stops14h 04mMultiple Airlines
Deal found 8/14![Multiple Airlines logo]()
$1,299
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 August 14, 2025.
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 9/11
4:20 pm-2:15 pm
1 stop18h 55m
Williamsport Lycoming County
Sun 9/14
2:50 pm-9:40 am
1 stop21h 50m
$604
SeattleWilliamsport
SEA - IPT
SEAIPT
Seattle/Tacoma Intl
Thu 9/11
11:30 pm-2:15 pm
1 stop11h 45m
$318
SeattleWilliamsport
SEA - IPT
SEAIPT
Seattle/Tacoma Intl
Tue 8/26
11:30 pm-2:24 pm
1 stop11h 54m
$455
SeattleWilliamsport
SEA - IPT
SEAIPT
Seattle/Tacoma Intl
Wed 8/27
11:30 pm-2:24 pm
1 stop11h 54m
$455
SeattleWilliamsport
SEA - IPT
SEAIPT
Seattle/Tacoma Intl
Thu 8/28
4:20 pm-2:24 pm
1 stop19h 04m
$465
SeattleWilliamsport
SEA - IPT
SEAIPT
Seattle/Tacoma Intl
Sun 8/17
9:07 pm-6:59 pm
2 stops18h 52m
$1,002
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.
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.
Traveling to a place near Williamsport?
Book flights to Williamsport if you plan to visit one of these locationsBloomsburg
Lewisburg