$96+ Cheap flights from Seattle (SEA) to Pennsylvania
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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Seattle to Pennsylvania 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
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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 Pennsylvania
Keep the following information in mind while searching for Seattle to Pennsylvania flight deals. Data was last updated June 12, 2025.
Round-trip from | $257 (Kiwi.com) |
|---|---|
One-way from | $96 (Southwest) |
Popular in | December |
Cheapest in | March |
Average price | $467 |
Good round-trip deal | $327 or less |
Good one-way deal | $169 or less |
Find flight deals from Seattle to Pennsylvania
Cheapest flights from Seattle to PennsylvaniaExplore the most affordable flight options available from Seattle to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Seattle to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Pennsylvania 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 June 12, 2025.
Use the filters below to find and compare flights from Seattle to Pennsylvania that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Tue 10/21
6:00 am-5:01 pm
1 stop8h 01m
Washington, D.C. Reagan-National
Tue 10/28
6:00 pm-11:02 pm
1 stop8h 02m
SeattleNew York
SEA - JFK
SEAJFK
Seattle/Tacoma Intl
Thu 9/4
11:40 pm-8:00 am
Nonstop5h 20m
New York John F Kennedy Intl
Mon 9/8
6:50 pm-10:10 pm
Nonstop6h 20m
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Tue 7/29
5:30 pm-3:35 pm
2 stops19h 05m
New York LaGuardia
Tue 8/19
9:27 pm-3:53 pm
2 stops21h 26m
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Wed 8/20
6:41 am-10:05 pm
1 stop12h 24m
New York LaGuardia
Tue 8/26
9:27 pm-3:53 pm
2 stops21h 26m
SeattlePittsburgh
SEA - PIT
SEAPIT
Seattle/Tacoma Intl
Wed 7/16
5:20 am-11:05 pm
1 stop14h 45m
Pittsburgh
Mon 7/21
8:30 pm-12:50 am
1 stop7h 20m
SeattlePittsburgh
SEA - PIT
SEAPIT
Seattle/Tacoma Intl
Thu 7/31
12:20 am-9:56 am
1 stop6h 36m
Pittsburgh
Sat 8/9
8:05 pm-12:56 am
1 stop7h 51m
SeattleNew York
SEA - LGA
SEALGA
Seattle/Tacoma Intl
Mon 7/14
10:40 pm-10:05 am
1 stop8h 25m
New York LaGuardia
Tue 7/22
5:30 pm-12:15 am
1 stop9h 45m
SeattleNew York
SEA - JFK
SEAJFK
Seattle/Tacoma Intl
Tue 9/2
11:30 pm-11:59 am
1 stop9h 29m
New York John F Kennedy Intl
Fri 9/5
11:00 am-8:09 pm
1 stop12h 09m
SeattleNew York
SEA - JFK
SEAJFK
Seattle/Tacoma Intl
Wed 9/3
8:59 pm-3:40 pm
1 stop15h 41m
New York John F Kennedy Intl
Wed 10/1
4:40 pm-7:54 pm
Nonstop6h 14m
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Tue 8/19
12:45 am-11:00 am
1 stop7h 15m
Washington, D.C. Reagan-National
Wed 8/27
6:00 pm-11:40 pm
1 stop8h 40m
Best time to book a flight from Seattle to Pennsylvania
Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Seattle with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Pennsylvania
What is the cheapest month to book a flight from Seattle to Pennsylvania?
Currently, August is the cheapest month in which you can book a flight from Seattle to Pennsylvania (average of $236). Flying from Seattle to Pennsylvania in March is currently the most expensive (average of $295). 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.
What is the cheapest time of day to fly from SEA to PA?
Find hourly flight availability from Seattle to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Pennsylvania as you normally would.
Weekly flight availability from Seattle to Pennsylvania
Explore weekly flight availability from Seattle to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.
The most flights from SEA to USPA are scheduled on a Wednesday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
Rainfall in Pennsylvania by month
Plan your trip to Pennsylvania by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Pennsylvania ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Pennsylvania when rainfall is around 2.7 in.
Temperature in Pennsylvania by month
Plan your trip to Pennsylvania by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Pennsylvania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).
Reviews of airlines servicing Pennsylvania
Get insights into the airlines that provide service to Pennsylvania. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pennsylvania. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Seattle to Pennsylvania. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Anonymous,Aug 2024
SEA - LAS
Related info for your journey
Find useful and relevant information for your journey from Seattle to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Pennsylvania
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from Seattle to Pennsylvania
Discover the top 9 airlines that operate flights from Seattle to Pennsylvania. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$214 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$138 | Average$274 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$451 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$212 | Average$544 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$230 | Average$385 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$236 | Average$587 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$462 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$241 | Average$432 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$526 | FlexibilityNo cancel fee | On-time75% |