How popular is this Pennsylvania to Seattle flight route?

Within the past month, 31 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?

$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 $124 and $135, respectively.

What are the most popular routes from Pennsylvania to Seattle?

When deciding which route to take from Pennsylvania to Seattle consider Newark - Seattle/Tacoma Intl, New York John F Kennedy Intl - 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 $885 for a flight from Pennsylvania to Seattle. The cheapest flight overall is $143 while the most popular route, (Newark - Seattle/Tacoma Intl) is currently priced at $221.

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 (85%), Alaska Airlines (83%) and Hawaiian Airlines (83%).

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 JetBlue.

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 50 days early can save you up to 55% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from Pennsylvania to Seattle for as little as $525 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 $568 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 $435. You can even find prices in March for less than $435, as users have found deals to Seattle from as low as $189. The month of July 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 18%.

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.

$119+ Flights from Pennsylvania to Seattle

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Cheap flight deals from Pennsylvania to Seattle

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$247 (Delta)
One-way from	$119 (Alaska Airlines)
Popular in	July
Cheapest in	March
Average price	$427
Good round-trip deal	$393 or less
Good one-way deal	$200 or less

Provider with most accurate pricing for Philadelphia-Seattle/Tacoma Intl flight deals.

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Provider most trusted by Cheapflights users for Philadelphia-Seattle/Tacoma Intl flights.

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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. 13% potential increase in price ($69 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 22, 2025.

Wed 5/142:00 pmPIT - SEA

1 stop11h 00mDelta

Wed 5/215:30 amSEA - PIT

1 stop8h 20mDelta

Deal found 4/22

$247

Sun 7/69:00 pmPIT - SEA

1 stop6h 55mSouthwest

Fri 7/1110:55 pmSEA - PIT

1 stop9h 45mSouthwest

Deal found 4/22

$252

Tue 5/205:30 amEWR - SEA

2 stops21h 40mSpirit Airlines

Wed 5/216:00 amSEA - EWR

1 stop14h 29mSpirit Airlines

Deal found 4/22

$255

Thu 5/296:35 pmEWR - SEA

1 stop8h 12mDelta

Wed 6/46:00 amSEA - EWR

1 stop8h 30mDelta

Deal found 4/22

$257

Sat 5/247:44 pmPIT - SEA

Nonstop5h 16mAlaska Airlines

Fri 5/3011:05 pmSEA - PIT

Nonstop4h 40mAlaska Airlines

Deal found 4/22

$257

Fri 10/37:29 pmEWR - SEA

Nonstop6h 03mAlaska Airlines

Tue 10/75:30 amSEA - EWR

1 stop7h 02mAlaska Airlines

Deal found 4/22

$259

Thu 5/86:59 amJFK - SEA

1 stop14h 01mMultiple Airlines

Wed 5/142:35 pmSEA - JFK

Nonstop5h 24mMultiple Airlines

Deal found 4/21

$266

Tue 6/37:15 amIAD - SEA

1 stop9h 29mAlaska Airlines

Tue 6/1011:30 pmSEA - IAD

Nonstop5h 06mAlaska Airlines

Deal found 4/22

$267

Sat 5/311:35 pmLGA - SEA

2 stops13h 35mMultiple Airlines

Mon 6/29:22 amSEA - LGA

1 stop8h 37mMultiple Airlines

Deal found 4/21

$267

Fri 5/3012:03 pmEWR - SEA

1 stop15h 07mMultiple Airlines

Mon 6/29:40 pmSEA - EWR

Nonstop5h 19mMultiple Airlines

Deal found 4/22

$268

Mon 5/126:59 amJFK - SEA

1 stop14h 01mFrontier

Fri 5/233:11 pmSEA - JFK

1 stop11h 19mFrontier

Deal found 4/22

$270

Tue 5/205:26 pmIAD - SEA

Nonstop5h 52mUnited Airlines

Tue 5/2711:23 pmSEA - IAD

Nonstop4h 57mUnited Airlines

Deal found 4/22

$270

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 April 22, 2025.

Wed 5/142:00 pmPIT - SEA

1 stop11h 00mDelta

Tue 5/206:00 amSEA - PIT

1 stop8h 14mDelta

Deal found 4/22

$247

Wed 5/711:28 amPIT - SEA

1 stop9h 00mAmerican Airlines

Wed 5/710:59 pmSEA - PIT

1 stop7h 58mAmerican Airlines

Deal found 4/20

$251

Sun 7/69:00 pmPIT - SEA

1 stop6h 55mSouthwest

Fri 7/1110:55 pmSEA - PIT

1 stop9h 45mSouthwest

Deal found 4/21

$252

Tue 5/205:30 amEWR - SEA

2 stops21h 40mSpirit Airlines

Wed 5/216:00 amSEA - EWR

1 stop14h 29mSpirit Airlines

Deal found 4/22

$255

Fri 5/3012:03 pmEWR - SEA

1 stop15h 07mMultiple Airlines

Mon 6/29:40 pmSEA - EWR

Nonstop5h 19mMultiple Airlines

Deal found 4/22

$256

Sat 5/247:44 pmPIT - SEA

Nonstop5h 16mAlaska Airlines

Fri 5/3011:05 pmSEA - PIT

Nonstop4h 40mAlaska Airlines

Deal found 4/22

$257

Wed 5/147:10 pmEWR - SEA

Nonstop6h 16mUnited Airlines

Sat 8/3010:55 pmSEA - EWR

1 stop8h 05mUnited Airlines

Deal found 4/22

$267

Mon 5/126:59 amJFK - SEA

1 stop14h 01mFrontier

Fri 5/233:11 pmSEA - JFK

1 stop11h 19mFrontier

Deal found 4/22

$270

Wed 5/147:39 pmPIT - SEA

Nonstop5h 14mHawaiian Airlines

Sat 5/2411:01 amSEA - PIT

Nonstop4h 43mHawaiian Airlines

Deal found 4/21

$272

Mon 8/412:40 pmDCA - SEA

1 stop12h 30mJetBlue

Thu 8/79:50 pmSEA - DCA

1 stop10h 47mJetBlue

Deal found 4/21

$289

Thu 5/2912:49 pmIAD - SEA

1 stop7h 38mSun Country Air

Wed 6/46:24 pmSEA - IAD

1 stop14h 19mSun Country Air

Deal found 4/20

$341

Thu 5/296:35 pmEWR - SEA

1 stop8h 12mDelta

Wed 6/46:00 amSEA - EWR

1 stop8h 30mDelta

Deal found 4/22

$257

Last-minute flights from Pennsylvania to Seattle
Discover last-minute flight deals from Pennsylvania to Seattle. Data last updated April 22, 2025 and is based on user searches.

Mon 4/286:59 amJFK - SEA

1 stop14h 03mFrontier

Fri 5/25:42 pmSEA - JFK

1 stop15h 17mFrontier

Deal found 4/21

$280

Mon 4/285:39 pmPIT - SEA

1 stop9h 23mDelta

Mon 5/512:45 amSEA - PIT

1 stop6h 32mDelta

Deal found 4/21

$297

Mon 4/2812:40 pmPHL - SEA

1 stop15h 04mMultiple Airlines

Sat 5/312:30 pmSEA - PHL

1 stop14h 22mMultiple Airlines

Deal found 4/21

$311

Mon 4/286:00 pmDCA - SEA

1 stop9h 44mFrontier

Sat 5/36:00 amSEA - DCA

1 stop12h 59mFrontier

Deal found 4/22

$320

Tue 4/297:00 amEWR - SEA

Nonstop6h 01mAlaska Airlines

Sat 5/109:24 pmSEA - EWR

Nonstop5h 16mAlaska Airlines

Deal found 4/21

$354

Wed 4/306:00 pmDCA - SEA

1 stop9h 44mMultiple Airlines

Sat 5/108:24 amSEA - DCA

Nonstop5h 14mMultiple Airlines

Deal found 4/21

$334

Wed 4/301:42 pmEWR - SEA

2 stops33h 09mSpirit Airlines

Tue 5/612:30 pmSEA - EWR

2 stops30h 34mSpirit Airlines

Deal found 4/21

$336

Thu 5/16:00 pmPHL - SEA

2 stops20h 35mSpirit Airlines

Mon 5/58:56 pmSEA - PHL

1 stop16h 26mSpirit Airlines

Deal found 4/20

$299

Thu 5/14:34 pmPIT - SEA

1 stop9h 29mUnited Airlines

Mon 5/55:15 amSEA - PIT

1 stop7h 10mUnited Airlines

Deal found 4/22

$338

Thu 5/112:45 pmIAD - SEA

1 stop7h 42mMultiple Airlines

Sun 5/48:22 pmSEA - IAD

1 stop31h 09mMultiple Airlines

Deal found 4/22

$348

Fri 5/26:59 amJFK - SEA

1 stop14h 03mMultiple Airlines

Wed 5/74:14 pmSEA - JFK

1 stop11h 46mMultiple Airlines

Deal found 4/21

$268

Fri 5/21:55 pmLGA - SEA

2 stops24h 40mSpirit Airlines

Mon 5/58:56 pmSEA - LGA

2 stops11h 05mSpirit Airlines

Deal found 4/21

$345

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 April 22, 2025.

Wed 5/147:39 pmPIT - SEA

Nonstop5h 14mAlaska Airlines

Deal found 4/22

$119

Wed 5/145:35 pmPIT - SEA

1 stop7h 48mDelta

Deal found 4/21

$124

Sat 5/171:35 pmLGA - SEA

2 stops13h 35mSpirit Airlines

Deal found 4/22

$135

Wed 5/142:50 pmLGA - SEA

1 stop8h 28mUnited Airlines

Deal found 4/22

$139

Fri 5/94:31 pmEWR - SEA

2 stops24h 54mSpirit Airlines

Deal found 4/21

$140

Tue 5/1312:00 pmLGA - SEA

1 stop8h 28mAmerican Airlines

Deal found 4/21

$140

Wed 5/147:00 amEWR - SEA

Nonstop6h 01mHawaiian Airlines

Deal found 4/22

$144

Mon 6/165:00 pmMDT - SEA

1 stop8h 22mDelta

Deal found 4/22

$144

Mon 5/126:30 amIAD - SEA

Nonstop5h 43mAlaska Airlines

Deal found 4/21

$144

Tue 5/134:59 pmDCA - SEA

Nonstop5h 51mDelta

Deal found 4/21

$144

Tue 5/611:30 amJFK - SEA

Nonstop6h 07mHawaiian Airlines

Deal found 4/22

$145

Tue 6/38:00 amDCA - SEA

Nonstop5h 39mAlaska Airlines

Deal found 4/21

$146

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 5/14

2:00 pm-10:00 pm

1 stop11h 00m

Seattle/Tacoma Intl

Wed 5/21

5:30 am-4:50 pm

1 stop8h 20m

$247

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sun 7/6

9:00 pm-12:55 am

1 stop6h 55m

Seattle/Tacoma Intl

Fri 7/11

10:55 pm-11:40 am

1 stop9h 45m

$252

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 5/20

5:30 am-12:10 am

2 stops21h 40m

Seattle/Tacoma Intl

Wed 5/21

6:00 am-11:29 pm

1 stop14h 29m

$255

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 5/24

7:44 pm-10:00 pm

Nonstop5h 16m

Seattle/Tacoma Intl

Fri 5/30

11:05 pm-6:45 am

Nonstop4h 40m

$257

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 5/29

6:35 pm-11:47 pm

1 stop8h 12m

Seattle/Tacoma Intl

Wed 6/4

6:00 am-5:30 pm

1 stop8h 30m

$257

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 5/13

7:30 am-2:53 pm

1 stop10h 23m

Seattle/Tacoma Intl

Mon 5/19

6:59 pm-6:52 am

1 stop8h 53m

$262

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Thu 5/8

6:59 am-6:00 pm

1 stop14h 01m

Seattle/Tacoma Intl

Wed 5/14

2:35 pm-10:59 pm

Nonstop5h 24m

$266

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 5/31

1:35 pm-12:10 am

2 stops13h 35m

Seattle/Tacoma Intl

Mon 6/2

9:22 am-8:59 pm

1 stop8h 37m

$267

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Tue 6/3

7:15 am-1:44 pm

1 stop9h 29m

Seattle/Tacoma Intl

Tue 6/10

11:30 pm-7:36 am

Nonstop5h 06m

$267

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 5/30

12:03 pm-12:10 am

1 stop15h 07m

Seattle/Tacoma Intl

Mon 6/2

9:40 pm-5:59 am

Nonstop5h 19m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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 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?

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

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

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

To help decide which airline to fly from Pennsylvania to Seattle, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,906 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,286 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,392 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,683 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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, 31 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?
$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 $124 and $135, respectively.
What are the most popular routes from Pennsylvania to Seattle?
When deciding which route to take from Pennsylvania to Seattle consider Newark - Seattle/Tacoma Intl, New York John F Kennedy Intl - 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 Air Tahiti Nui (85%), Alaska Airlines (83%) and Hawaiian Airlines (83%).
What are the cheapest flights from Pennsylvania to Seattle?
On average you can expect to pay $885 for a flight from Pennsylvania to Seattle. The cheapest flight overall is $143 while the most popular route, (Newark - Seattle/Tacoma Intl) is currently priced at $221.
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

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Tacoma

Renton

Lakewood

Ocean Shores

Lacey

Leavenworth

Federal Way

Olympia

Shoreline

Cle Elum

Centralia

Kent

Aberdeen

Lynnwood

Shelton

Silverdale

Redmond

Issaquah

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Top 10 airlines flying from Pennsylvania to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$83	Average$228	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$115	Average$261	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$139	Average$230	FlexibilityNo cancel fee	On-time65%
Sun Country Air	Cheapest$199	Average$314	FlexibilityNo cancel fee	On-time83%
American Airlines	Cheapest$212	Average$537	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$217	Average$452	FlexibilityNo cancel fee	On-timeN/A
Hawaiian Airlines	Cheapest$233	Average$464	FlexibilityNo cancel fee	On-time85%
United Airlines	Cheapest$236	Average$582	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$246	Average$443	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$256	Average$560	FlexibilityNo cancel fee	On-time75%

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$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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Pennsylvania to Seattle with Cheapflights

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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 April 22, 2025.

Most accurate provider

Most trusted provider

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 April 22, 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 April 22, 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 April 22, 2025.

Rainfall in Seattle by month

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

Temperature in Seattle by month

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

Reviews of airlines servicing Seattle

To help decide which airline to fly from Pennsylvania to Seattle, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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 Pennsylvania?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pennsylvania to Seattle

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

Top 10 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 April 22, 2025.