How popular is this Pennsylvania to Seattle flight route?

Within the past month, 38 users have taken a look at flights from Pennsylvania to Seattle/Tacoma Intl.

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

$80 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from $93 and $123, respectively.

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.

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).

What are the most popular routes from Pennsylvania to Seattle?

When deciding which route to take from Pennsylvania to Seattle consider New York John F Kennedy Intl - Seattle/Tacoma Intl, Newark - Seattle/Tacoma Intl or Washington, D.C. Reagan-National - Seattle/Tacoma Intl as they are the most popular.

What are the cheapest flights from Pennsylvania to Seattle?

On average you can expect to pay $779 for a flight from Pennsylvania to Seattle. The cheapest flight overall is $138 while the most popular route, (New York John F Kennedy Intl - Seattle/Tacoma Intl) is currently priced at $187.

What are the most reliable airlines from Pennsylvania to Seattle?

The top 3 most reliable airlines when flying from Pennsylvania to Seattle are Finnair (79%), American Airlines (63%) and Air Tahiti Nui (60%).

What are the most popular airlines that fly from Pennsylvania to Seattle?

Before booking your flight from Pennsylvania to Seattle check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

How far in advance should I book a flight from Pennsylvania to Seattle?

Users have found that booking a flight from Pennsylvania to Seattle at least 30 days early can save you up to 136% on average compared to booking a flight this week. If booking 30 days before your flight isn’t an option for you, users have found flights from Pennsylvania to Seattle for as little as $432 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $805 for flights departing within the next 3 days.

What is the cheapest month to fly from Pennsylvania to Seattle?

The best pricing can be found in the month of March. Prices to Seattle from Pennsylvania average $430. You can even find prices in March for less than $430, as users have found deals to Seattle from as low as $186. The month of June appears to be one of the more expensive times to travel to Seattle from Pennsylvania. Flying in the targeted month can save you up to 20%.

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.

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.

$80+ Flights from Pennsylvania to Seattle

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Cheap flight deals from Pennsylvania to Seattle

Round-trip from	$203 (American Airlines)
One-way from	$80 (American Airlines)
Popular in	June
Cheapest in	March
Average price	$467
Good round-trip deal	$329 or less
Good one-way deal	$182 or less

From Pennsylvania to Seattle/Tacoma Intl

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One-way flight from Pennsylvania to Seattle/Tacoma Intl

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Highest demand for flights based on searches. 10% potential increase in price ($48 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Price to beat on a round-trip flight from Pennsylvania to Seattle/Tacoma Intl.

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Price to beat on a one-way flight from Pennsylvania to Seattle/Tacoma Intl.

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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 August 14, 2025.

Wed 10/16:00 amPIT - SEA

1 stop8h 19mAmerican Airlines

Wed 10/112:19 pmSEA - PIT

1 stop7h 48mAmerican Airlines

Deal found 8/13

$203

Sat 11/11:30 pmPIT - SEA

2 stops10h 35mSouthwest

Tue 11/46:35 amSEA - PIT

1 stop6h 15mSouthwest

Deal found 8/13

$204

Tue 8/267:13 amPIT - SEA

1 stop10h 02mAmerican Airlines

Tue 9/911:05 pmSEA - PIT

1 stop7h 33mAmerican Airlines

Deal found 8/13

$208

Sun 9/216:00 amPIT - SEA

1 stop9h 00mAmerican Airlines

Thu 9/256:00 amSEA - PIT

1 stop7h 34mAmerican Airlines

Deal found 8/12

$209

Thu 9/254:15 pmPIT - SEA

1 stop10h 50mSouthwest

Mon 9/2911:10 pmSEA - PIT

2 stops9h 50mSouthwest

Deal found 8/13

$210

Wed 9/105:13 pmPIT - SEA

1 stop8h 16mAmerican Airlines

Wed 9/1710:57 amSEA - PIT

1 stop8h 58mAmerican Airlines

Deal found 8/13

$213

Fri 9/263:06 pmPIT - SEA

1 stop7h 53mAmerican Airlines

Sun 10/56:00 amSEA - PIT

1 stop9h 26mAmerican Airlines

Deal found 8/11

$215

Mon 9/85:57 pmPIT - SEA

1 stop9h 02mDelta

Mon 9/1511:40 pmSEA - PIT

1 stop7h 40mDelta

Deal found 8/11

$218

Tue 8/196:00 amPIT - SEA

1 stop8h 17mAmerican Airlines

Wed 8/2710:11 amSEA - PIT

1 stop9h 10mAmerican Airlines

Deal found 8/12

$219

Wed 10/221:00 pmJFK - SEA

1 stop9h 27mAmerican Airlines

Tue 10/2812:34 amSEA - JFK

1 stop9h 56mAmerican Airlines

Deal found 8/13

$221

Sat 8/306:36 pmJFK - SEA

Nonstop6h 14mAlaska Airlines

Wed 9/1710:41 pmSEA - JFK

Nonstop5h 25mAlaska Airlines

Deal found 8/13

$222

Fri 9/53:40 pmLGA - SEA

1 stop11h 25mSouthwest

Mon 9/811:10 pmSEA - LGA

1 stop9h 35mSouthwest

Deal found 8/13

$222

Best flights from Pennsylvania to Seattle
Discover carefully curated flight deals from Pennsylvania to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Wed 10/16:00 amPIT - SEA

1 stop8h 19mAmerican Airlines

Wed 10/112:19 pmSEA - PIT

1 stop7h 48mAmerican Airlines

Deal found 8/13

$203

Sat 11/11:30 pmPIT - SEA

2 stops10h 35mSouthwest

Tue 11/46:35 amSEA - PIT

1 stop6h 15mSouthwest

Deal found 8/13

$204

Sat 9/136:22 amPIT - SEA

1 stop10h 06mUnited Airlines

Sat 9/1311:54 pmSEA - PIT

1 stop7h 07mUnited Airlines

Deal found 8/13

$216

Fri 9/261:01 pmJFK - SEA

2 stops14h 29mMultiple Airlines

Tue 9/3010:41 pmSEA - JFK

Nonstop5h 25mMultiple Airlines

Deal found 8/13

$221

Tue 9/24:30 pmJFK - SEA

Nonstop6h 28mJetBlue

Wed 9/1011:40 pmSEA - JFK

Nonstop5h 20mJetBlue

Deal found 8/13

$222

Tue 8/267:00 amJFK - SEA

Nonstop6h 15mDelta

Fri 9/53:55 pmSEA - JFK

Nonstop5h 28mDelta

Deal found 8/11

$222

Sat 8/306:36 pmJFK - SEA

Nonstop6h 14mAlaska Airlines

Thu 9/112:35 pmSEA - JFK

Nonstop5h 24mAlaska Airlines

Deal found 8/13

$222

Thu 9/41:01 pmJFK - SEA

2 stops14h 29mFrontier

Mon 9/81:49 pmSEA - JFK

1 stop12h 41mFrontier

Deal found 8/13

$224

Tue 9/167:29 pmEWR - SEA

Nonstop6h 10mHawaiian Airlines

Fri 9/263:59 pmSEA - EWR

1 stop11h 00mHawaiian Airlines

Deal found 8/13

$242

Tue 8/267:13 amPIT - SEA

1 stop10h 02mAmerican Airlines

Tue 9/911:05 pmSEA - PIT

1 stop7h 33mAmerican Airlines

Deal found 8/13

$208

Thu 9/254:15 pmPIT - SEA

1 stop10h 50mSouthwest

Mon 9/2911:10 pmSEA - PIT

2 stops9h 50mSouthwest

Deal found 8/13

$210

Tue 9/27:29 amJFK - SEA

Nonstop6h 05mAlaska Airlines

Wed 9/172:35 pmSEA - JFK

Nonstop5h 24mAlaska Airlines

Deal found 8/13

$222

Last-minute flights from Pennsylvania to Seattle
Discover last-minute flight deals from Pennsylvania to Seattle. Data last updated August 14, 2025 and is based on user searches.

Mon 8/185:15 pmPIT - SEA

1 stop10h 00mSouthwest

Tue 8/2611:10 pmSEA - PIT

1 stop13h 20mSouthwest

Deal found 8/12

$238

Tue 8/196:00 amPIT - SEA

1 stop8h 17mAmerican Airlines

Wed 8/2710:11 amSEA - PIT

1 stop9h 10mAmerican Airlines

Deal found 8/12

$219

Tue 8/197:00 amDCA - SEA

1 stop19h 01mFrontier

Mon 8/256:17 amSEA - DCA

1 stop12h 42mFrontier

Deal found 8/13

$260

Wed 8/206:00 amPIT - SEA

1 stop8h 17mAmerican Airlines

Fri 8/291:39 pmSEA - PIT

1 stop7h 16mAmerican Airlines

Deal found 8/12

$244

Thu 8/216:22 amPIT - SEA

1 stop10h 11mUnited Airlines

Mon 8/253:19 pmSEA - PIT

1 stop10h 55mUnited Airlines

Deal found 8/11

$242

Fri 8/227:30 pmPIT - SEA

1 stop7h 24mDelta

Tue 8/265:30 amSEA - PIT

1 stop8h 05mDelta

Deal found 8/12

$247

Fri 8/225:15 pmPIT - SEA

1 stop10h 00mSouthwest

Fri 9/59:20 amSEA - PIT

2 stops11h 20mSouthwest

Deal found 8/12

$248

Fri 8/225:15 pmPIT - SEA

1 stop10h 00mSouthwest

Mon 8/256:30 amSEA - PIT

1 stop14h 10mSouthwest

Deal found 8/12

$252

Sat 8/236:00 amPIT - SEA

1 stop8h 04mAmerican Airlines

Tue 8/2611:59 pmSEA - PIT

1 stop7h 03mAmerican Airlines

Deal found 8/12

$253

Sat 8/233:05 pmPIT - SEA

1 stop10h 25mSouthwest

Tue 8/2611:10 pmSEA - PIT

1 stop10h 10mSouthwest

Deal found 8/12

$258

Sat 8/231:00 pmDCA - SEA

1 stop10h 51mFrontier

Wed 8/276:41 amSEA - DCA

1 stop26h 30mFrontier

Deal found 8/13

$261

Sat 8/235:30 pmEWR - SEA

Nonstop6h 05mAlaska Airlines

Sat 9/65:05 pmSEA - EWR

1 stop9h 54mAlaska Airlines

Deal found 8/12

$262

One-way flights from Pennsylvania to Seattle
Search for one-way flight options from Pennsylvania to Seattle. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Wed 9/175:13 pmPIT - SEA

1 stop8h 16mAmerican Airlines

Deal found 8/11

$80

Tue 9/24:50 pmPIT - SEA

1 stop8h 36mAmerican Airlines

Deal found 8/12

$85

Thu 9/46:22 amPIT - SEA

1 stop10h 06mUnited Airlines

Deal found 8/11

$93

Tue 8/263:35 pmPIT - SEA

1 stop7h 27mAmerican Airlines

Deal found 8/11

$96

Thu 9/45:30 pmPIT - SEA

1 stop7h 44mDelta

Deal found 8/12

$99

Sat 9/65:30 pmPIT - SEA

1 stop7h 20mSouthwest

Deal found 8/12

$110

Fri 10/313:07 pmMDT - SEA

1 stop10h 23mAmerican Airlines

Deal found 8/13

$114

Sat 8/306:59 pmEWR - SEA

Nonstop6h 09mUnited Airlines

Deal found 8/12

$120

Mon 9/157:00 pmPIT - SEA

1 stop8h 05mSouthwest

Deal found 8/12

$120

Thu 9/411:15 amEWR - SEA

2 stops16h 15mFrontier

Deal found 8/13

$123

Wed 8/277:19 amEWR - SEA

Nonstop5h 59mAlaska Airlines

Deal found 8/12

$124

Sun 8/247:05 pmPIT - SEA

1 stop8h 45mSouthwest

Deal found 8/11

$124

Cheapflights Fare Finder

Use the filters below to find and compare flights from Pennsylvania to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 10/1

6:00 am-11:19 am

1 stop8h 19m

Seattle/Tacoma Intl

Wed 10/1

12:19 pm-11:07 pm

1 stop7h 48m

$203

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 11/1

1:30 pm-9:05 pm

2 stops10h 35m

Seattle/Tacoma Intl

Tue 11/4

6:35 am-3:50 pm

1 stop6h 15m

$204

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Tue 8/26

7:13 am-2:15 pm

1 stop10h 02m

Seattle/Tacoma Intl

Tue 9/9

11:05 pm-9:38 am

1 stop7h 33m

$208

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sun 9/21

6:00 am-12:00 pm

1 stop9h 00m

Seattle/Tacoma Intl

Thu 9/25

6:00 am-4:34 pm

1 stop7h 34m

$209

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 10/4

3:52 pm-9:23 pm

1 stop8h 31m

Seattle/Tacoma Intl

Sun 10/5

12:30 am-11:03 am

1 stop7h 33m

$209

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Thu 9/25

4:15 pm-12:05 am

1 stop10h 50m

Seattle/Tacoma Intl

Mon 9/29

11:10 pm-12:00 pm

2 stops9h 50m

$210

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 9/3

11:56 am-7:09 pm

1 stop10h 13m

Seattle/Tacoma Intl

Sat 9/6

11:05 pm-9:38 am

1 stop7h 33m

$213

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 9/13

6:22 am-1:28 pm

1 stop10h 06m

Seattle/Tacoma Intl

Sat 9/13

11:54 pm-10:01 am

1 stop7h 07m

$216

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Fri 9/26

1:01 pm-12:30 am

2 stops14h 29m

Seattle/Tacoma Intl

Tue 9/30

10:41 pm-7:06 am

Nonstop5h 25m

$221

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 9/2

4:30 pm-7:58 pm

Nonstop6h 28m

Seattle/Tacoma Intl

Wed 9/10

11:40 pm-8:00 am

Nonstop5h 20m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 60 results

...

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.

Cheapflights Insights

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

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 June is currently the most expensive (average of $389). 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?

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.

Weekly flight availability from Pennsylvania to Seattle

The most flights from USPA to SEA are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

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?
Within the past month, 38 users have taken a look at flights from Pennsylvania to Seattle/Tacoma Intl.
What are the cheapest airlines to fly from Pennsylvania to Seattle one-way?
$80 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from $93 and $123, respectively.
What are the most popular routes from Pennsylvania to Seattle?
When deciding which route to take from Pennsylvania to Seattle consider New York John F Kennedy Intl - Seattle/Tacoma Intl, Newark - Seattle/Tacoma Intl or Washington, D.C. Reagan-National - Seattle/Tacoma Intl as they are the most popular.
What are the most reliable airlines from Pennsylvania to Seattle?
The top 3 most reliable airlines when flying from Pennsylvania to Seattle are Finnair (79%), American Airlines (63%) and Air Tahiti Nui (60%).
What are the cheapest flights from Pennsylvania to Seattle?
On average you can expect to pay $779 for a flight from Pennsylvania to Seattle. The cheapest flight overall is $138 while the most popular route, (New York John F Kennedy Intl - Seattle/Tacoma Intl) is currently priced at $187.
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 June is currently the most expensive (average of $389). 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

SeaTac

Tukwila

Tacoma

Ocean Shores

Lakewood

Lynnwood

Lacey

Leavenworth

Renton

Olympia

Puyallup

Kent

Cle Elum

Chehalis

Kirkland

Issaquah

Aberdeen

Shoreline

Federal Way

Shelton

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Top 9 airlines flying from Pennsylvania to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$99	Average$241	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$127	Average$244	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$194	Average$423	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$196	Average$419	FlexibilityNo cancel fee	On-timeN/A
Sun Country Air	Cheapest$211	Average$360	FlexibilityNo cancel fee	On-time83%
American Airlines	Cheapest$214	Average$513	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$236	Average$539	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$236	Average$454	FlexibilityNo cancel fee	On-time85%
Alaska Airlines	Cheapest$254	Average$537	FlexibilityNo cancel fee	On-time75%

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$80+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Pennsylvania to Seattle

Keep the following information in mind while searching for Pennsylvania to Seattle flight deals. Data was last updated August 14, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Pennsylvania to Seattle

Cheapest flights from Pennsylvania to SeattleExplore 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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Pennsylvania to Seattle that are best for you.

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.

Cheapflights Insights

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

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

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 August 14, 2025.

Weekly flight availability from Pennsylvania to Seattle

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?

How popular is this Pennsylvania to Seattle flight route?

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

What are the most popular routes from Pennsylvania to Seattle?

What are the most reliable airlines from Pennsylvania to Seattle?

What are the cheapest flights from Pennsylvania to Seattle?

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

How can I find direct flights from Pennsylvania to Seattle?

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

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

Traveling to a place near Seattle?

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Alternative routes for Pennsylvania to Seattle

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Top 9 airlines flying from Pennsylvania to Seattle

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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 August 14, 2025.