Cheap flights from Pennsylvania to Seattle (SEA) from $88

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHL — SEA
Mar 24 — Mar 311

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 40 days early can save you up to 107% on average compared to booking a flight this week. If booking 40 days before your flight isn’t an option for you, users have found flights from Pennsylvania to Seattle for as little as $505 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 $759 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 October. Prices to Seattle from Pennsylvania average $418. You can even find prices in October for less than $418, as users have found deals to Seattle from as low as $139. 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 48%.

When is the cheapest time to fly from Pennsylvania to Seattle (PA - 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.

Cheap Frontier flights from Pennsylvania to Seattle

Explore cheap flight options specifically provided by Frontier for the route between Pennsylvania and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Find some of the cheapest Frontier flights traveling from Pennsylvania to Seattle. Come back soon if you're not finding the exact deal you're looking for.
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Tue 4/239:35 pmSEA - PHL
1 stop29h 00mFrontier
Deal found 3/17$177
Tue 5/71:41 pmPIT - SEA
1 stop30h 17mFrontier
Sat 5/112:55 pmSEA - PIT
1 stop17h 41mFrontier
Deal found 3/18$178
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Tue 4/239:35 pmSEA - PHL
1 stop29h 00mFrontier
Deal found 3/17$179
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Wed 4/245:58 pmSEA - PHL
1 stop8h 37mFrontier
Deal found 3/18$185
Fri 4/198:50 pmPHL - SEA
1 stop20h 12mFrontier
Sat 4/279:32 pmSEA - PHL
1 stop29h 03mFrontier
Deal found 3/17$189
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Tue 4/239:35 pmSEA - PHL
2 stops16h 23mFrontier
Deal found 3/17$190
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Tue 4/239:35 pmSEA - PHL
2 stops16h 23mFrontier
Deal found 3/17$191
Fri 4/198:50 pmPHL - SEA
1 stop26h 16mFrontier
Tue 4/239:35 pmSEA - PHL
1 stop29h 00mFrontier
Deal found 3/18$192
Thu 5/28:40 pmPHL - SEA
1 stop27h 54mFrontier
Tue 5/79:35 pmSEA - PHL
1 stop29h 00mFrontier
Deal found 3/16$194

Cheap JetBlue flights from Pennsylvania to Seattle

Explore cheap flight options specifically provided by JetBlue for the route between Pennsylvania and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a gander at the lowest prices we've found on JetBlue flights from Pennsylvania to Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Tue 4/3012:21 pmPHL - SEA
1 stop11h 14mJetBlue
Wed 5/19:05 pmSEA - PHL
1 stop9h 50mJetBlue
Deal found 3/17$250
Mon 3/2512:28 pmPHL - SEA
1 stop11h 36mJetBlue
Fri 3/2910:20 pmSEA - PHL
1 stop10h 23mJetBlue
Deal found 3/18$517

Cheap Pennsylvania to Seattle flights in March & April 2024

Find cheap flight options from Pennsylvania to Seattle specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Wed 4/39:06 pmPIT - SEA
1 stop14h 45mSpirit Airlines
Tue 4/99:41 amSEA - PIT
1 stop12h 18mSpirit Airlines
Deal found 3/18$176
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Wed 4/245:58 pmSEA - PHL
1 stop8h 37mFrontier
Deal found 3/18$178
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Wed 4/245:58 pmSEA - PHL
1 stop8h 37mFrontier
Deal found 3/18$185
Wed 4/39:06 pmPIT - SEA
1 stop14h 45mMultiple Airlines
Wed 4/106:33 pmSEA - PIT
1 stop14h 48mMultiple Airlines
Deal found 3/18$190
Tue 4/238:40 pmPHL - SEA
1 stop23h 18mFrontier
Tue 4/309:35 pmSEA - PHL
1 stop29h 00mFrontier
Deal found 3/18$190
Thu 4/188:40 pmPHL - SEA
1 stop23h 23mFrontier
Tue 4/239:35 pmSEA - PHL
1 stop29h 00mFrontier
Deal found 3/18$191
Fri 4/198:50 pmPHL - SEA
1 stop26h 16mFrontier
Tue 4/239:35 pmSEA - PHL
1 stop29h 00mFrontier
Deal found 3/18$192
Mon 4/156:59 pmPIT - SEA
1 stop16h 46mMultiple Airlines
Mon 4/228:20 amSEA - PIT
1 stop25h 21mMultiple Airlines
Deal found 3/18$194
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Fri 4/196:03 pmSEA - PHL
1 stop8h 42mFrontier
Deal found 3/18$195

Pennsylvania to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Pennsylvania and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Wed 4/39:06 pmPIT - SEA
1 stop14h 45mSpirit Airlines
Tue 4/99:41 amSEA - PIT
1 stop12h 18mSpirit Airlines
Deal found 3/18$176
Tue 5/71:41 pmPIT - SEA
1 stop30h 17mFrontier
Sat 5/112:55 pmSEA - PIT
1 stop17h 41mFrontier
Deal found 3/18$178
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Wed 4/245:58 pmSEA - PHL
1 stop8h 37mFrontier
Deal found 3/18$178
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Wed 4/245:58 pmSEA - PHL
1 stop8h 37mFrontier
Deal found 3/18$185
Wed 4/39:06 pmPIT - SEA
1 stop14h 45mMultiple Airlines
Wed 4/106:33 pmSEA - PIT
1 stop14h 48mMultiple Airlines
Deal found 3/18$190
Tue 4/238:40 pmPHL - SEA
1 stop23h 18mFrontier
Tue 4/309:35 pmSEA - PHL
1 stop29h 00mFrontier
Deal found 3/18$190
Thu 4/188:40 pmPHL - SEA
1 stop23h 23mFrontier
Tue 4/239:35 pmSEA - PHL
1 stop29h 00mFrontier
Deal found 3/18$191
Fri 4/198:50 pmPHL - SEA
1 stop26h 16mFrontier
Tue 4/239:35 pmSEA - PHL
1 stop29h 00mFrontier
Deal found 3/18$192
Mon 4/156:59 pmPIT - SEA
1 stop16h 46mMultiple Airlines
Mon 4/228:20 amSEA - PIT
1 stop25h 21mMultiple Airlines
Deal found 3/18$194

Non-stop flights to Seattle from Pennsylvania

Discover non-stop flight options from Pennsylvania to Seattle. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Pennsylvania to Seattle. Users seeking other options on flights from Pennsylvania to Seattle should update the search form at the top of the page.
Sat 4/207:00 amPHL - SEA
Nonstop5h 51mAlaska Airlines
Tue 4/239:33 pmSEA - PHL
Nonstop5h 12mAlaska Airlines
Deal found 3/18$277
Tue 4/167:00 amPHL - SEA
Nonstop5h 51mAlaska Airlines
Wed 4/249:33 pmSEA - PHL
Nonstop5h 12mAlaska Airlines
Deal found 3/18$287
Thu 4/186:57 pmPHL - SEA
Nonstop5h 58mAlaska Airlines
Wed 4/249:33 pmSEA - PHL
Nonstop5h 12mAlaska Airlines
Deal found 3/18$307
Tue 4/309:20 amPIT - SEA
Nonstop5h 19mAlaska Airlines
Wed 5/12:18 pmSEA - PIT
Nonstop4h 32mAlaska Airlines
Deal found 3/17$317
Wed 5/296:50 pmPHL - SEA
Nonstop6h 07mAmerican Airlines
Wed 6/1211:35 pmSEA - PHL
Nonstop5h 10mAmerican Airlines
Deal found 3/18$317
Fri 4/199:20 amPIT - SEA
Nonstop5h 19mAlaska Airlines
Tue 4/232:18 pmSEA - PIT
Nonstop4h 32mAlaska Airlines
Deal found 3/18$327
Wed 5/296:50 pmPHL - SEA
Nonstop6h 07mAmerican Airlines
Wed 6/511:35 pmSEA - PHL
Nonstop5h 10mAmerican Airlines
Deal found 3/18$327
Sat 5/116:57 pmPHL - SEA
Nonstop5h 58mAlaska Airlines
Sat 5/189:45 pmSEA - PHL
Nonstop5h 11mAlaska Airlines
Deal found 3/18$331
Sun 4/217:00 amPHL - SEA
Nonstop5h 51mAlaska Airlines
Wed 4/249:33 pmSEA - PHL
Nonstop5h 12mAlaska Airlines
Deal found 3/18$332

Pennsylvania to Seattle flights leaving soon

Find last-minute flight options from Pennsylvania to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out these flights departing soon from Pennsylvania to Seattle. To prevent any unwanted surprises, users should verify their flight info before booking.
Thu 3/281:05 pmPHL - SEA
1 stop10h 14mFrontier
Thu 4/1110:09 pmSEA - PHL
1 stop28h 36mFrontier
Deal found 3/17$258
Wed 3/271:15 pmPHL - SEA
1 stop10h 39mFrontier
Thu 3/289:09 pmSEA - PHL
1 stop12h 01mFrontier
Deal found 3/18$286
Thu 3/281:05 pmPHL - SEA
1 stop10h 14mMultiple Airlines
Thu 4/119:19 pmSEA - PHL
2 stops21h 14mMultiple Airlines
Deal found 3/17$297
Sun 3/248:59 pmPHL - SEA
2 stops38h 52mMultiple Airlines
Sat 4/132:40 pmSEA - PHL
1 stop12h 05mMultiple Airlines
Deal found 3/17$304
Tue 3/267:55 pmPHL - SEA
2 stops27h 59mMultiple Airlines
Thu 3/287:11 pmSEA - PHL
1 stop13h 04mMultiple Airlines
Deal found 3/18$322
Thu 3/281:05 pmPHL - SEA
1 stop10h 14mFrontier
Mon 4/18:45 pmSEA - PHL
1 stop13h 19mFrontier
Deal found 3/18$327
Sun 3/241:15 pmPHL - SEA
1 stop10h 20mFrontier
Sat 4/132:40 pmSEA - PHL
1 stop12h 05mFrontier
Deal found 3/17$335
Mon 3/258:39 pmPHL - SEA
2 stops27h 33mFrontier
Mon 4/18:45 pmSEA - PHL
1 stop13h 19mFrontier
Deal found 3/18$336
Sun 3/241:15 pmPHL - SEA
1 stop10h 20mFrontier
Tue 3/2610:12 pmSEA - PHL
1 stop10h 58mFrontier
Deal found 3/18$339

One-way flights to Seattle from Pennsylvania

Search for one-way flight options from Pennsylvania to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the one-way flights we've detected from Pennsylvania to Seattle. Those needing a return flight from Pennsylvania to Seattle can use the search form above.
Mon 4/16:59 pmPIT - SEA
1 stop16h 52mSpirit Airlines
Deal found 3/18$88
Tue 5/71:41 pmPIT - SEA
1 stop30h 17mFrontier
Deal found 3/18$96
Tue 4/168:40 pmPHL - SEA
1 stop23h 18mFrontier
Deal found 3/17$96
Tue 4/308:40 pmPHL - SEA
1 stop23h 18mFrontier
Deal found 3/17$101
Tue 4/1610:59 pmPHL - SEA
2 stops20h 59mFrontier
Deal found 3/17$106
Fri 4/198:50 pmPHL - SEA
1 stop26h 16mFrontier
Deal found 3/18$107
Mon 4/296:59 pmPIT - SEA
1 stop28h 30mSpirit Airlines
Deal found 3/18$108
Mon 4/1510:06 pmPHL - SEA
2 stops37h 49mFrontier
Deal found 3/18$111
Mon 4/1510:06 pmPHL - SEA
2 stops37h 49mFrontier
Deal found 3/17$112

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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$176 - $329

Route

Depart

Return

Price

PittsburghSeattle/Tacoma Intl

PIT - SEA

PITSEA

Pittsburgh

Wed 4/3

1 stop14h 45m

Seattle/Tacoma Intl

Tue 4/9

1 stop12h 18m

$176

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Tue 4/16

1 stop23h 18m

Seattle/Tacoma Intl

Tue 4/23

1 stop29h 00m

$177

PittsburghSeattle/Tacoma Intl

PIT - SEA

PITSEA

Pittsburgh

Wed 4/3

1 stop14h 45m

Seattle/Tacoma Intl

Wed 4/10

1 stop14h 48m

$190

PittsburghSeattle/Tacoma Intl

PIT - SEA

PITSEA

Pittsburgh

Wed 4/3

1 stop8h 24m

Seattle/Tacoma Intl

Fri 4/12

1 stop7h 28m

$216

PittsburghSeattle/Tacoma Intl

PIT - SEA

PITSEA

Pittsburgh

Wed 4/3

1 stop7h 35m

Seattle/Tacoma Intl

Tue 4/9

1 stop8h 45m

$236

PittsburghSeattle/Tacoma Intl

PIT - SEA

PITSEA

Pittsburgh

Wed 4/17

1 stop8h 52m

Seattle/Tacoma Intl

Wed 4/24

2 stops11h 13m

$241

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Tue 4/30

1 stop11h 14m

Seattle/Tacoma Intl

Wed 5/1

1 stop9h 50m

$250

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Sat 4/20

Nonstop5h 58m

Seattle/Tacoma Intl

Sat 4/27

Nonstop5h 12m

$277

PhiladelphiaSeattle/Tacoma Intl

PHL - SEA

PHLSEA

Philadelphia

Wed 5/29

1 stop7h 50m

Seattle/Tacoma Intl

Sun 6/9

1 stop8h 24m

$329

Flights are sorted by cheapest first

Deals found on 3/18

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 March 19, 2024.
To help decide which airline to fly from Pennsylvania to Seattle, see what other customers have to say about Frontier, JetBlue and Alaska 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
9,147 reviews

Food

7.3

Boarding

8.3

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

8.1
Very good
9,147 reviews
8.1
Very good
9,147 reviews

Food

7.3

Boarding

8.3

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

8.1
Very good
11,551 reviews
8.1
Very good
9,147 reviews

Food

7.3

Boarding

8.3

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.7
Good
4,921 reviews
8.1
Very good
9,147 reviews

Food

7.3

Boarding

8.3

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.4
Good
11,602 reviews
8.1
Very good
9,147 reviews

Food

7.3

Boarding

8.3

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.3
Good
15,312 reviews
8.1
Very good
9,147 reviews

Food

7.3

Boarding

8.3

Crew

8.6

Entertainment

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

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.

  • Can I find flights from Pennsylvania to Seattle for under $200 on Cheapflights?

    Yes, there are multiple flights from Pennsylvania to Seattle for under $200. The cheapest flight booked recently is on Spirit Airlines for just $176, but on average you can expect to pay $190.

  • Are there nonstop flights from Pennsylvania to Seattle for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Pennsylvania to Seattle under $300. A good price for a nonstop flight from Pennsylvania to Seattle is less than $335.

  • Are there last-minute flights available from Pennsylvania to Seattle for under $300?

    There are currently 20+ open flights from Pennsylvania to Seattle within the next 7 days for less than $300.

  • What days are nonstop flights available from Pennsylvania to Seattle?

    Nonstop flights can be found on the following days: Sunday, Wednesday, Friday, Saturday.

  • How popular is this Pennsylvania to Seattle flight route?

  • How many flights depart from Pennsylvania to Seattle on average per day?

    On average 4 flights depart from Pennsylvania to Seattle per day.
    Evening (6pm - Midnight) - 100% of flight departures

  • How long is the flight from Pennsylvania to Seattle?

    Departing from Pennsylvania to Seattle will take you 14h 45m. Pennsylvania and Seattle are separated by a distance of 2385 mi. This flight may include one or multiple stops.

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

    $88 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 Frontier and United Airlines, with prices starting from $96 and $118, respectively.

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

  • What are the most popular airlines that fly 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 American Airlines (88%), Qatar Airways (88%) and British Airways (87%).

  • What are the cheapest flights from Pennsylvania to Seattle?

    On average you can expect to pay $1,135 for a flight from Pennsylvania to Seattle. The cheapest flight overall is $148 while the most popular route, (Philadelphia - Seattle/Tacoma Intl) is currently priced at $211.

  • What does PHL to SEA mean?

    PHL stands for Philadelphia Airport, while SEA stands for Seattle/Tacoma Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Pittsburgh Airport (PIT), Harrisburg Airport (MDT), Allentown-Bethlehem Airport (ABE), Wilkes-Barre Scranton Airport (AVP), State College University Park Airport (SCE).

See more FAQs

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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 8 airlines flying from Pennsylvania to Seattle

Discover the top 8 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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$114Average$189FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FrontierCheapest$121Average$259FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$125Average$335FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$134Average$484FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$158Average$513FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapest$160Average$547FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$168Average$544FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Sun Country AirCheapest$340Average$462FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights

Search flights from Pennsylvania to Seattle by cabin class

Find flights from Pennsylvania to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Pennsylvania to Seattle

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 19, 2024.
0%of flight departuresEarly morningMidnight to 6 am
8%of flight departuresMorning6 am to noon
12%of flight departuresAfternoonNoon to 6 pm
80%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pennsylvania to Seattle?

Deals for Pennsylvania to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Pennsylvania to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Pennsylvania to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Pennsylvania to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Pennsylvania to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Pennsylvania to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Pennsylvania today and book when prices fit your budget.

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