How popular is this Pennsylvania to Seattle flight route?

Within the past month, 28 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?

$124 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $129 and $139, 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 cheapest flights from Pennsylvania to Seattle?

On average you can expect to pay $993 for a flight from Pennsylvania to Seattle. The cheapest flight overall is $163 while the most popular route, (New York John F Kennedy Intl - Seattle/Tacoma Intl) is currently priced at $273.

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 (83%), Alaska Airlines (82%) and Hawaiian Airlines (82%).

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 55 days early can save you up to 68% on average compared to booking a flight this week. If booking 55 days before your flight isn’t an option for you, users have found flights from Pennsylvania to Seattle for as little as $563 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 $583 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 February. Prices to Seattle from Pennsylvania average $435. You can even find prices in February for less than $435, as users have found deals to Seattle from as low as $286. 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 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.

$124+ Flights from Pennsylvania to Seattle

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Cheap flight deals from Pennsylvania to Seattle

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$242 (United Airlines)
One-way from	$124 (Delta)
Popular in	July
Cheapest in	February
Average price	$387
Good round-trip deal	$375 or less
Good one-way deal	$219 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. 14% potential increase in price ($76 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 March 28, 2025.

Wed 5/73:00 pmPIT - SEA

1 stop8h 18mUnited Airlines

Wed 5/145:15 amSEA - PIT

1 stop7h 10mUnited Airlines

Deal found 3/26

$242

Sat 4/267:39 pmPIT - SEA

Nonstop5h 14mMultiple Airlines

Mon 4/2812:30 pmSEA - PIT

1 stop14h 15mMultiple Airlines

Deal found 3/26

$244

Sat 4/267:39 pmPIT - SEA

Nonstop5h 14mAlaska Airlines

Tue 4/2911:01 amSEA - PIT

Nonstop4h 42mAlaska Airlines

Deal found 3/28

$247

Wed 4/96:25 amPIT - SEA

1 stop9h 08mAmerican Airlines

Sat 4/121:35 pmSEA - PIT

1 stop7h 17mAmerican Airlines

Deal found 3/26

$251

Fri 4/256:00 amEWR - SEA

1 stop10h 25mSpirit Airlines

Tue 4/2912:30 pmSEA - EWR

1 stop15h 13mSpirit Airlines

Deal found 3/28

$256

Tue 4/229:54 amEWR - SEA

1 stop10h 03mDelta

Tue 4/296:20 amSEA - EWR

1 stop8h 35mDelta

Deal found 3/28

$257

Wed 4/237:00 amEWR - SEA

Nonstop6h 01mAlaska Airlines

Fri 4/259:28 pmSEA - EWR

1 stop14h 01mAlaska Airlines

Deal found 3/27

$258

Mon 4/215:39 pmPIT - SEA

1 stop9h 23mDelta

Mon 4/285:30 amSEA - PIT

1 stop8h 14mDelta

Deal found 3/27

$262

Tue 4/227:00 amEWR - SEA

Nonstop6h 01mHawaiian Airlines

Tue 4/296:35 amSEA - EWR

Nonstop5h 24mHawaiian Airlines

Deal found 3/28

$263

Fri 4/184:30 pmEWR - SEA

1 stop9h 30mUnited Airlines

Tue 4/2212:46 pmSEA - EWR

1 stop7h 58mUnited Airlines

Deal found 3/27

$264

Tue 4/2211:56 amLGA - SEA

2 stops26h 39mSpirit Airlines

Fri 4/252:30 pmSEA - LGA

2 stops17h 31mSpirit Airlines

Deal found 3/27

$264

Fri 5/26:59 amJFK - SEA

1 stop14h 03mFrontier

Mon 5/55:30 pmSEA - JFK

1 stop15h 29mFrontier

Deal found 3/27

$266

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 March 28, 2025.

Wed 5/73:00 pmPIT - SEA

1 stop8h 18mUnited Airlines

Wed 5/145:15 amSEA - PIT

1 stop7h 10mUnited Airlines

Deal found 3/26

$242

Sat 4/267:39 pmPIT - SEA

Nonstop5h 14mMultiple Airlines

Mon 4/2812:30 pmSEA - PIT

1 stop14h 15mMultiple Airlines

Deal found 3/26

$244

Sat 4/267:39 pmPIT - SEA

Nonstop5h 14mAlaska Airlines

Tue 4/2911:01 amSEA - PIT

Nonstop4h 42mAlaska Airlines

Deal found 3/28

$247

Wed 4/96:25 amPIT - SEA

1 stop9h 08mAmerican Airlines

Sat 4/121:35 pmSEA - PIT

1 stop7h 17mAmerican Airlines

Deal found 3/26

$251

Thu 5/16:55 amEWR - SEA

1 stop14h 28mSpirit Airlines

Wed 5/73:20 pmSEA - EWR

2 stops17h 36mSpirit Airlines

Deal found 3/27

$256

Tue 4/229:54 amEWR - SEA

1 stop10h 03mDelta

Tue 4/296:20 amSEA - EWR

1 stop8h 35mDelta

Deal found 3/28

$257

Tue 4/227:00 amEWR - SEA

Nonstop6h 01mHawaiian Airlines

Tue 4/296:35 amSEA - EWR

Nonstop5h 24mHawaiian Airlines

Deal found 3/28

$263

Fri 5/26:59 amJFK - SEA

1 stop14h 03mFrontier

Mon 5/55:30 pmSEA - JFK

1 stop15h 29mFrontier

Deal found 3/27

$266

Sun 6/89:00 pmPIT - SEA

1 stop6h 55mSouthwest

Wed 6/1110:55 pmSEA - PIT

1 stop8h 20mSouthwest

Deal found 3/27

$285

Fri 5/24:50 pmJFK - SEA

Nonstop6h 18mJetBlue

Mon 5/59:23 pmSEA - JFK

Nonstop5h 25mJetBlue

Deal found 3/27

$297

Mon 4/76:35 amIAD - SEA

1 stop13h 39mSun Country Air

Thu 4/1711:50 pmSEA - IAD

1 stop8h 33mSun Country Air

Deal found 3/26

$315

Wed 4/237:00 amEWR - SEA

Nonstop6h 01mAlaska Airlines

Fri 4/259:28 pmSEA - EWR

1 stop14h 01mAlaska Airlines

Deal found 3/27

$258

Last-minute flights from Pennsylvania to Seattle
Discover last-minute flight deals from Pennsylvania to Seattle. Data last updated March 28, 2025 and is based on user searches.

Thu 4/36:59 amJFK - SEA

1 stop30h 40mFrontier

Mon 4/1411:36 amSEA - JFK

1 stop14h 54mFrontier

Deal found 3/27

$270

Thu 4/38:20 amEWR - SEA

1 stop10h 38mUnited Airlines

Mon 4/712:30 pmSEA - EWR

Nonstop5h 30mUnited Airlines

Deal found 3/27

$273

Thu 4/37:30 amPHL - SEA

1 stop30h 09mFrontier

Mon 4/71:56 pmSEA - PHL

1 stop12h 33mFrontier

Deal found 3/26

$288

Thu 4/36:00 amLGA - SEA

1 stop9h 43mAlaska Airlines

Mon 4/711:55 pmSEA - LGA

1 stop8h 33mAlaska Airlines

Deal found 3/27

$357

Thu 4/33:10 pmJFK - SEA

1 stop10h 17mJetBlue

Mon 4/711:55 pmSEA - JFK

1 stop9h 49mJetBlue

Deal found 3/27

$363

Fri 4/47:59 amEWR - SEA

1 stop10h 38mAmerican Airlines

Fri 4/255:45 pmSEA - EWR

1 stop9h 15mAmerican Airlines

Deal found 3/27

$283

Fri 4/46:00 pmDCA - SEA

1 stop24h 32mFrontier

Sat 4/124:22 pmSEA - DCA

1 stop26h 37mFrontier

Deal found 3/27

$288

Sat 4/57:00 amEWR - SEA

Nonstop6h 15mAlaska Airlines

Wed 4/96:39 amSEA - EWR

1 stop7h 43mAlaska Airlines

Deal found 3/27

$279

Sat 4/52:02 pmLGA - SEA

2 stops21h 41mSpirit Airlines

Mon 4/142:30 pmSEA - LGA

2 stops17h 31mSpirit Airlines

Deal found 3/26

$348

Mon 4/712:46 pmPIT - SEA

1 stop8h 46mDelta

Thu 4/1712:45 amSEA - PIT

1 stop6h 34mDelta

Deal found 3/27

$295

Mon 4/76:15 amPIT - SEA

1 stop8h 17mUnited Airlines

Thu 4/1011:45 pmSEA - PIT

1 stop6h 59mUnited Airlines

Deal found 3/27

$308

Mon 4/75:11 pmPIT - SEA

2 stops18h 32mSpirit Airlines

Fri 4/1812:30 pmSEA - PIT

1 stop14h 15mSpirit Airlines

Deal found 3/26

$358

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 March 28, 2025.

Tue 5/65:39 pmPIT - SEA

1 stop9h 23mDelta

Deal found 3/28

$124

Mon 5/59:07 pmPIT - SEA

3 stops30h 49mSpirit Airlines

Deal found 3/27

$129

Sun 5/46:55 amEWR - SEA

1 stop14h 28mSpirit Airlines

Deal found 3/27

$131

Wed 4/234:38 pmLGA - SEA

3 stops30h 13mSpirit Airlines

Deal found 3/27

$131

Wed 5/76:45 pmPHL - SEA

Nonstop6h 05mAmerican Airlines

Deal found 3/27

$139

Tue 4/224:28 pmPHL - SEA

3 stops22h 07mSpirit Airlines

Deal found 3/27

$140

Sat 4/1911:21 amJFK - SEA

1 stop9h 38mSun Country Air

Deal found 3/27

$141

Sat 4/58:00 amPHL - SEA

1 stop28h 35mFrontier

Deal found 3/27

$141

Thu 4/245:30 pmEWR - SEA

1 stop8h 24mHawaiian Airlines

Deal found 3/27

$143

Fri 4/186:53 pmEWR - SEA

1 stop7h 46mDelta

Deal found 3/28

$144

Sat 4/197:25 amIAD - SEA

Nonstop5h 55mDelta

Deal found 3/27

$144

Tue 4/294:50 pmDCA - SEA

Nonstop6h 01mDelta

Deal found 3/25

$144

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 5/7

3:00 pm-8:18 pm

1 stop8h 18m

Seattle/Tacoma Intl

Wed 5/14

5:15 am-3:25 pm

1 stop7h 10m

$242

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 4/26

7:39 pm-9:53 pm

Nonstop5h 14m

Seattle/Tacoma Intl

Mon 4/28

12:30 pm-5:45 am

1 stop14h 15m

$244

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Sat 4/26

7:39 pm-9:53 pm

Nonstop5h 14m

Seattle/Tacoma Intl

Tue 4/29

11:01 am-6:43 pm

Nonstop4h 42m

$247

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Wed 4/9

6:25 am-12:33 pm

1 stop9h 08m

Seattle/Tacoma Intl

Sat 4/12

1:35 pm-11:52 pm

1 stop7h 17m

$251

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 4/25

6:00 am-1:25 pm

1 stop10h 25m

Seattle/Tacoma Intl

Tue 4/29

12:30 pm-6:43 am

1 stop15h 13m

$256

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 4/22

9:54 am-4:57 pm

1 stop10h 03m

Seattle/Tacoma Intl

Tue 4/29

6:20 am-5:55 pm

1 stop8h 35m

$257

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 4/23

7:00 am-10:01 am

Nonstop6h 01m

Seattle/Tacoma Intl

Fri 4/25

9:28 pm-2:29 pm

1 stop14h 01m

$258

PittsburghSeattle

PIT - SEA

PITSEA

Pittsburgh

Mon 4/21

5:39 pm-12:02 am

1 stop9h 23m

Seattle/Tacoma Intl

Mon 4/28

5:30 am-4:44 pm

1 stop8h 14m

$262

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 4/22

7:00 am-10:01 am

Nonstop6h 01m

Seattle/Tacoma Intl

Tue 4/29

6:35 am-2:59 pm

Nonstop5h 24m

$263

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 4/18

4:30 pm-11:00 pm

1 stop9h 30m

Seattle/Tacoma Intl

Tue 4/22

12:46 pm-11:44 pm

1 stop7h 58m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

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.

Weekly flight availability from Pennsylvania to Seattle

The most flights from USPA to SEA are scheduled on a Thursday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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 Southwest, Alaska Airlines and Delta. 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

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,273 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines

8.0

Very good

9,798 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,896 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines

7.9

Good

2,335 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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, 28 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?
$124 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $129 and $139, 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 Air Tahiti Nui (83%), Alaska Airlines (82%) and Hawaiian Airlines (82%).
What are the cheapest flights from Pennsylvania to Seattle?
On average you can expect to pay $993 for a flight from Pennsylvania to Seattle. The cheapest flight overall is $163 while the most popular route, (New York John F Kennedy Intl - Seattle/Tacoma Intl) is currently priced at $273.
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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Tukwila

Tacoma

Lakewood

Renton

Lacey

Ocean Shores

Leavenworth

Federal Way

Olympia

Cle Elum

Centralia

Mukilteo

Aberdeen

Shoreline

Lynnwood

Shelton

Silverdale

Redmond

Monroe

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Top 10 airlines flying from Pennsylvania to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$83	Average$230	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$115	Average$261	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$136	Average$232	FlexibilityNo cancel fee	On-time65%
Hawaiian Airlines	Cheapest$168	Average$462	FlexibilityNo cancel fee	On-time85%
Sun Country Air	Cheapest$202	Average$317	FlexibilityNo cancel fee	On-time83%
Delta	Cheapest$205	Average$472	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$212	Average$545	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$236	Average$593	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$246	Average$451	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$255	Average$562	FlexibilityNo cancel fee	On-time75%

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$124+ 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 5/6. 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 March 28, 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 March 28, 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 March 28, 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 March 28, 2025.

Weekly flight availability from Pennsylvania to Seattle

Explore weekly flight availability from Pennsylvania to Seattle. 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 March 28, 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 Southwest, Alaska Airlines 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 March 28, 2025.