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$102+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHL
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(eDestinos)

One-way from

$102
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$555

Good round-trip deal

$267 or less

Good one-way deal

$198 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Philadelphia flights.
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From Seattle/Tacoma Intl to Pennsylvania
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One-way flight from Seattle/Tacoma Intl to Pennsylvania
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Highest demand for flights based on searches. 3% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Pennsylvania.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Pennsylvania.
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Find flight deals from Seattle to Pennsylvania

Cheapest flights from Seattle to Pennsylvania
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 February 22, 2025.

This eDestinos deal was found by Cheapflights users on 2/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/126:15 amSEA - EWR
Nonstop5h 18mMultiple Airlines
Mon 3/176:59 amEWR - SEA
1 stop15h 03mMultiple Airlines
Deal found 2/21$238
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/18:04 pmSEA - EWR
2 stops31h 50mSpirit Airlines
Mon 4/710:10 pmEWR - SEA
3 stops23h 59mSpirit Airlines
Deal found 2/21$239
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1612:00 pmSEA - PIT
1 stop8h 41mDelta
Wed 4/236:25 amPIT - SEA
1 stop7h 20mDelta
Deal found 2/21$247
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 5/142:15 pmSEA - PIT
1 stop6h 43mUnited Airlines
Sat 5/175:40 pmPIT - SEA
1 stop10h 19mUnited Airlines
Deal found 2/21$248
This CheapOair deal was found by Cheapflights users on 2/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2511:48 amSEA - JFK
1 stop15h 42mFrontier
Sat 3/297:59 amJFK - SEA
1 stop28h 31mFrontier
Deal found 2/21$250
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/912:41 pmSEA - LGA
3 stops44h 23mSpirit Airlines
Tue 3/183:17 pmLGA - SEA
3 stops30h 52mSpirit Airlines
Deal found 2/21$250
This iWofly deal was found by Cheapflights users on 2/21. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/110:41 amSEA - JFK
Nonstop5h 26mAlaska Airlines
Sat 4/55:29 pmJFK - SEA
Nonstop6h 25mAlaska Airlines
Deal found 2/21$251
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/18:04 pmSEA - LGA
2 stops11h 57mMultiple Airlines
Sat 4/56:30 amLGA - SEA
1 stop15h 39mMultiple Airlines
Deal found 2/20$252
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 3/256:20 amSEA - EWR
Nonstop5h 22mAlaska Airlines
Mon 3/317:00 amEWR - SEA
Nonstop6h 15mAlaska Airlines
Deal found 2/21$253
This Expedia deal was found by Cheapflights users on 2/21. 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.
Sat 3/1512:03 pmSEA - JFK
1 stop15h 27mMultiple Airlines
Tue 3/189:30 amJFK - SEA
1 stop12h 23mMultiple Airlines
Deal found 2/21$254
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/79:48 amSEA - PIT
2 stops35h 41mSpirit Airlines
Mon 4/145:33 amPIT - SEA
3 stops40h 18mSpirit Airlines
Deal found 2/21$254
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/271:30 pmSEA - EWR
1 stop7h 25mDelta
Mon 3/31:10 pmEWR - SEA
1 stop12h 06mDelta
Deal found 2/21$257

Find flights from Seattle to Pennsylvania within your budget

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 February 22, 2025.

Fly from

Seattle

Fly to

Pennsylvania

Route

Depart

Return

Price

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 3/12

6:15 am-2:33 pm

Nonstop5h 18m

Newark

Mon 3/17

6:59 am-7:02 pm

1 stop15h 03m

$238

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 4/1

8:04 pm-6:54 am

2 stops31h 50m

Newark

Mon 4/7

10:10 pm-7:09 pm

3 stops23h 59m

$239

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Wed 4/16

11:45 pm-9:44 am

1 stop6h 59m

Pittsburgh

Wed 4/23

5:45 pm-12:58 am

1 stop10h 13m

$247

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Tue 3/25

11:48 am-6:30 am

1 stop15h 42m

New York John F Kennedy Intl

Sat 3/29

7:59 am-9:30 am

1 stop28h 31m

$250

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Sun 3/9

12:41 pm-12:04 pm

3 stops44h 23m

New York LaGuardia

Tue 3/18

3:17 pm-7:09 pm

3 stops30h 52m

$250

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Tue 4/1

10:41 am-7:07 pm

Nonstop5h 26m

New York John F Kennedy Intl

Sat 4/5

5:29 pm-8:54 pm

Nonstop6h 25m

$251

SeattleNew York

SEA - LGA

SEALGA

Seattle/Tacoma Intl

Tue 4/1

8:04 pm-11:01 am

2 stops11h 57m

New York LaGuardia

Sat 4/5

6:30 am-7:09 pm

1 stop15h 39m

$252

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 3/25

6:20 am-2:42 pm

Nonstop5h 22m

Newark

Mon 3/31

7:00 am-10:15 am

Nonstop6h 15m

$253

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

Sat 3/15

12:03 pm-6:30 am

1 stop15h 27m

New York John F Kennedy Intl

Tue 3/18

9:30 am-6:53 pm

1 stop12h 23m

$254

SeattlePittsburgh

SEA - PIT

SEAPIT

Seattle/Tacoma Intl

Mon 4/7

9:48 am-12:29 am

2 stops35h 41m

Pittsburgh

Mon 4/14

5:33 am-6:51 pm

3 stops40h 18m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 60 results
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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.
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.

Travel insights for flights from Seattle to Pennsylvania

Get recent, data-driven insights about flights from Seattle to Pennsylvania including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 2025.

The most flights from SEA to USPA are scheduled on a Wednesday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 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 February 22, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,702 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,314 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,068 reviews
Southwest
8.1
Very good
4,396 reviews

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • What airport do you fly from for flights from Seattle to Pennsylvania?

    If you book a flight to Pennsylvania from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How popular is this Seattle to Pennsylvania flight route?

    The Seattle/Tacoma Intl to Pennsylvania flight path was viewed by 13 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Seattle to Pennsylvania one-way?

    $102 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $119 and $122, respectively.

  • What are the most popular routes from Seattle to Pennsylvania?

    The most popular route from Seattle to Pennsylvania is Seattle/Tacoma Intl - New York John F Kennedy Intl. You may also consider Seattle/Tacoma Intl - Newark or Seattle/Tacoma Intl - Washington, D.C. Reagan-National.

  • What are the most reliable airlines from Seattle to Pennsylvania?

    Consider Qatar Airways (100%), British Airways (100%) or Air Tahiti Nui (93%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Pennsylvania.

  • What are the cheapest flights from Seattle to Pennsylvania?

    On average you can expect to pay $396 for a flight from Seattle to Pennsylvania. The cheapest flight overall is $148 while the most popular route, (Seattle/Tacoma Intl - New York John F Kennedy Intl) is currently priced at $194.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Pennsylvania 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 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.

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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.
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Top 8 airlines flying from Seattle to Pennsylvania

Discover the top 8 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$85Average$208FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$251FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$445FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$212Average$580FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$220Average$334FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$235Average$637FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$241Average$558FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$255Average$603FlexibilityNo cancel feeOn-time75%
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