Seattle

$119+ Cheap flights from Pennsylvania to Seattle (SEA)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEA
Nov 26 — Dec 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Seattle 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 Pennsylvania to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Pennsylvania (USPA) to Seattle (SEA). 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 November 21, 2024.

Find flight deals from Pennsylvania to Seattle

Cheapest flights from Pennsylvania to Seattle
Explore the most affordable flight options available from Pennsylvania to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Delta deal was found by Cheapflights users on 11/19. 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.
Fri 12/65:50 pmPIT - SEA
1 stop9h 33mDelta
Sun 12/812:50 amSEA - PIT
1 stop6h 33mDelta
Deal found 11/19$244
This Mytrip deal was found by Cheapflights users on 11/20. 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 12/105:00 pmEWR - SEA
3 stops34h 10mSpirit Airlines
Sun 12/159:21 pmSEA - EWR
1 stop16h 19mSpirit Airlines
Deal found 11/20$255
This Travelocity deal was found by Cheapflights users on 11/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:00 amJFK - SEA
Nonstop6h 26mMultiple Airlines
Sun 12/151:40 pmSEA - JFK
1 stop13h 50mMultiple Airlines
Deal found 11/20$258
This Frontier deal was found by Cheapflights users on 11/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/187:00 amDCA - SEA
1 stop9h 10mFrontier
Sun 1/59:36 pmSEA - DCA
1 stop11h 32mFrontier
Deal found 11/20$258
This Booking.com deal was found by Cheapflights users on 11/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/159:02 pmEWR - SEA
1 stop17h 53mMultiple Airlines
Tue 12/176:07 pmSEA - EWR
1 stop13h 50mMultiple Airlines
Deal found 11/19$263
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/810:59 pmLGA - SEA
1 stop17h 35mMultiple Airlines
Mon 2/105:55 pmSEA - LGA
2 stops13h 09mMultiple Airlines
Deal found 11/20$264
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:00 amJFK - SEA
Nonstop6h 32mDelta
Sun 12/154:15 pmSEA - JFK
Nonstop5h 28mDelta
Deal found 11/20$267
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:59 amJFK - SEA
1 stop27h 58mFrontier
Tue 12/1711:49 amSEA - JFK
1 stop15h 41mFrontier
Deal found 11/20$268
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/119:00 amPIT - SEA
Nonstop5h 28mAlaska Airlines
Wed 12/111:50 pmSEA - PIT
Nonstop4h 40mAlaska Airlines
Deal found 11/20$271
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:59 pmEWR - SEA
1 stop16h 59mAlaska Airlines
Mon 12/910:40 pmSEA - EWR
Nonstop5h 19mAlaska Airlines
Deal found 11/20$276
This Flightnetwork deal was found by Cheapflights users on 11/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1610:59 pmLGA - SEA
1 stop17h 11mFrontier
Thu 1/29:36 pmSEA - LGA
1 stop21h 24mFrontier
Deal found 11/20$279
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Wed 12/48:36 amLGA - SEA
2 stops30h 19mSpirit Airlines
Sun 12/89:21 pmSEA - LGA
2 stops19h 03mSpirit Airlines
Deal found 11/20$285

Find flights from Pennsylvania to Seattle within your budget

Customize your flight search to find flights from Pennsylvania to Seattle 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 2/13

6:27 am-1:00 pm

1 stop9h 33m

Seattle/Tacoma Intl

Sun 2/16

10:55 pm-11:40 am

1 stop9h 45m

$236

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 3/8

7:20 pm-10:00 pm

Nonstop5h 40m

Seattle/Tacoma Intl

Sat 3/15

10:55 am-6:24 pm

Nonstop4h 29m

$237

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 1/11

6:05 am-12:41 pm

1 stop9h 36m

Seattle/Tacoma Intl

Tue 1/14

10:18 pm-11:21 am

2 stops10h 03m

$241

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 12/10

5:00 pm-12:10 am

3 stops34h 10m

Seattle/Tacoma Intl

Sun 12/15

9:21 pm-4:40 pm

1 stop16h 19m

$255

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 1/11

5:30 pm-8:51 pm

Nonstop6h 21m

Seattle/Tacoma Intl

Sat 1/18

7:08 am-3:17 pm

Nonstop5h 09m

$256

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 1/28

4:00 pm-7:27 pm

Nonstop6h 27m

Seattle/Tacoma Intl

Sat 2/8

7:04 am-3:29 pm

Nonstop5h 25m

$257

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 12/18

7:00 am-1:10 pm

1 stop9h 10m

Seattle/Tacoma Intl

Sun 1/5

9:36 pm-12:08 pm

1 stop11h 32m

$258

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 1/11

7:00 pm-10:25 pm

Nonstop6h 25m

Seattle/Tacoma Intl

Sat 1/18

1:40 pm-10:02 pm

Nonstop5h 22m

$258

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 1/11

4:29 pm-7:57 pm

Nonstop6h 28m

Seattle/Tacoma Intl

Sat 1/18

6:31 pm-6:30 am

1 stop8h 59m

$262

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 1/14

10:59 am-12:14 am

2 stops16h 15m

Seattle/Tacoma Intl

Tue 1/21

10:13 am-8:00 am

2 stops18h 47m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Pennsylvania to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Pennsylvania 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 Pennsylvania to Seattle

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

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

Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Seattle (average of $238). Flying from Pennsylvania to Seattle in July is currently the most expensive (average of $411). 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 PA to SEA?

Find hourly flight availability from Pennsylvania to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to Seattle as you normally would.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated November 21, 2024.
To help decide which airline to fly from Pennsylvania to Seattle, see what other customers have to say about Delta, Alaska Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.1
Very good
5,015 reviews
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
9,458 reviews
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
8,758 reviews
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.5
Good
3,396 reviews
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.4
Good
9,172 reviews
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Seattle. 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 into for flights to Seattle from Pennsylvania?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Pennsylvania to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How popular is this Pennsylvania to Seattle flight route?

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

    $119 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Spirit Airlines, with prices starting from $123 and $132, respectively.

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

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

    The top 3 most reliable airlines when flying from Pennsylvania to Seattle are Air Tahiti Nui (93%), Hawaiian Airlines (81%) and Alaska Airlines (77%).

  • What are the cheapest flights from Pennsylvania to Seattle?

    On average you can expect to pay $917 for a flight from Pennsylvania to Seattle. The cheapest flight overall is $143 while the most popular route, (New York John F Kennedy Intl - Seattle/Tacoma Intl) is currently priced at $224.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Seattle 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 Pennsylvania to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Seattle (average of $238). Flying from Pennsylvania to Seattle in July is currently the most expensive (average of $411). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pennsylvania to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Pennsylvania to Seattle

Discover the top 9 airlines that operate flights from Pennsylvania to Seattle. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$239FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$125Average$261FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$125Average$242FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$156Average$548FlexibilityNo cancel feeOn-time71%
DeltaCheapest$193Average$474FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$199Average$308FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$236Average$612FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$255Average$568FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$276Average$556FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.