Philadelphia

$127+ Cheap flights from Seattle to Philadelphia (SEA - PHL)

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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHL
Nov 4 — Nov 111
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The best prices from Seattle/Tacoma Intl to Philadelphia are usually found in February or January, booked 38 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from Seattle to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

February

Round-trip from

$283
(FareScan)

One-way from

$127
(FareScan)
Provider with most accurate pricing for Seattle/Tacoma Intl-Philadelphia flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Philadelphia flights.
High demand for flights, 24% potential price rise
Best time to find cheap flights, 21% potential price drop
From Seattle/Tacoma Intl to Philadelphia
One-way flight from Seattle/Tacoma Intl to Philadelphia

Find flight deals from Seattle to Philadelphia

Cheapest flights from Seattle to Philadelphia
Explore the most affordable flight options available from Seattle to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2024.

This FareScan deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/115:28 pmSEA - PHL
2 stops17h 34mSpirit Airlines
Thu 11/147:25 amPHL - SEA
1 stop11h 58mSpirit Airlines
Deal found 10/30$283
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/89:09 pmSEA - PHL
1 stop29h 19mFrontier
Wed 11/138:29 pmPHL - SEA
1 stop27h 40mFrontier
Deal found 10/30$284
This Travelocity deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/49:40 pmSEA - PHL
Nonstop5h 05mMultiple Airlines
Wed 12/1811:16 amPHL - SEA
1 stop8h 46mMultiple Airlines
Deal found 10/29$290
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/257:10 pmSEA - PHL
1 stop7h 40mDelta
Thu 11/285:30 pmPHL - SEA
1 stop9h 49mDelta
Deal found 10/29$306
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/49:44 amSEA - PHL
Nonstop5h 06mAlaska Airlines
Fri 12/66:50 pmPHL - SEA
Nonstop6h 10mAlaska Airlines
Deal found 10/28$307
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/119:00 amSEA - PHL
Nonstop5h 08mAmerican Airlines
Mon 12/161:53 pmPHL - SEA
1 stop10h 26mAmerican Airlines
Deal found 10/30$317
This Sun Country Air deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2311:59 pmSEA - PHL
1 stop8h 41mSun Country Air
Mon 1/611:56 amPHL - SEA
1 stop8h 26mSun Country Air
Deal found 10/29$385
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/247:11 pmSEA - PHL
1 stop7h 15mUnited Airlines
Thu 11/286:15 amPHL - SEA
2 stops12h 18mUnited Airlines
Deal found 10/29$411

Find flights from Seattle to Philadelphia within your budget

Customize your flight search to find flights from Seattle to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$283 - $406

Route

Depart

Return

Price

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Mon 11/11

2 stops17h 34m

Philadelphia

Thu 11/14

1 stop11h 58m

$283

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Tue 12/3

1 stop9h 19m

Philadelphia

Sat 12/7

Nonstop6h 10m

$284

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Tue 12/17

1 stop15h 32m

Philadelphia

Wed 1/1

1 stop9h 30m

$302

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Mon 11/25

1 stop7h 40m

Philadelphia

Thu 11/28

1 stop9h 49m

$306

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Wed 12/4

Nonstop5h 06m

Philadelphia

Fri 12/6

Nonstop6h 10m

$307

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Wed 12/11

Nonstop5h 08m

Philadelphia

Tue 12/17

1 stop8h 41m

$317

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Wed 1/8

1 stop7h 51m

Philadelphia

Sat 1/18

2 stops11h 27m

$381

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Mon 12/23

1 stop8h 41m

Philadelphia

Mon 1/6

1 stop8h 26m

$385

Seattle/Tacoma IntlPhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Wed 11/13

2 stops10h 20m

Philadelphia

Tue 11/19

2 stops11h 50m

$406

Flights are sorted by cheapest first

Deals found on 10/30

Compare providers for flights from Seattle to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Philadelphia in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapOairPrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 starCancellation PolicyAirline Policy
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
MytripPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
MytripPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
GotogatePrice Accuracy3 starsTrust Score*2 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Philadelphia

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

How far ahead should I book a flight from Seattle to Philadelphia?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Philadelphia. Price data was last updated on October 25, 2024.

The best time to book flights from Seattle to Philadelphia is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Seattle to Philadelphia (average of $234). Flying from Seattle to Philadelphia in March is currently the most expensive (average of $284). 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 SEA to PHL?

Find hourly flight availability from Seattle to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2024.

A simple way to save on the total cost of your ticket is to fly from Seattle to Philadelphia in the afternoon. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Seattle to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Philadelphia. Price data was last updated on October 27, 2024.

Travelers seeking maximum savings on their Seattle to Philadelphia flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated October 30, 2024.
Read reviews from past customers who have flown Frontier, Delta and Alaska Airlines from Seattle to Philadelphia. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,118 reviews

Overall

8.1

Comfort

8.1

Boarding

8.3

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

8.1
Very good
5,118 reviews
8.1
Very good
5,118 reviews

Overall

8.1

Comfort

8.1

Boarding

8.3

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

8.0
Very good
9,418 reviews
8.1
Very good
5,118 reviews

Overall

8.1

Comfort

8.1

Boarding

8.3

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

8.0
Very good
8,836 reviews
8.1
Very good
5,118 reviews

Overall

8.1

Comfort

8.1

Boarding

8.3

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

7.4
Good
9,240 reviews
8.1
Very good
5,118 reviews

Overall

8.1

Comfort

8.1

Boarding

8.3

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

7.3
Good
10,000 reviews
8.1
Very good
5,118 reviews

Overall

8.1

Comfort

8.1

Boarding

8.3

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from Seattle to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Seattle to Philadelphia?

    To fly from Seattle to Philadelphia, you need to book a flight from Seattle/Tacoma Intl (SEA) to Philadelphia (PHL). Nonstop flights to Philadelphia from Seattle/Tacoma Intl take 4h 55m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from Seattle/Tacoma Intl to Philadelphia offered by 7 different airlines.

  • Can I find flights from Seattle to Philadelphia for under $300 on Cheapflights?

    Yes, there are multiple flights from Seattle to Philadelphia for under $300. The cheapest flight booked recently is on Spirit Airlines for just $283, but on average you can expect to pay $330.

  • Are there nonstop flights from Seattle to Philadelphia for under $400 on Cheapflights?

    Cheapflights has at least 2 direct flights from Seattle to Philadelphia under $400. A good price for a nonstop flight from Seattle to Philadelphia is less than $314.

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

    There are currently 8+ open flights from Seattle to Philadelphia within the next 7 days for less than $300.

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

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

  • How popular is this Seattle to Philadelphia flight route?

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

    On average 9 flights depart from Seattle to Philadelphia per day.
    Morning (6am - Noon) - 22% of flight departures
    Evening (6pm - Midnight) - 78% of flight departures

  • How long is the flight from Seattle to Philadelphia?

    Airlines like Spirit Airlines, Frontier, and Delta fly from Seattle to Philadelphia in about 7h 40m. The time it takes to get you to your destination can typically vary by up to 9h 54m. Seattle and Philadelphia are separated by a distance of 2385 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Philadelphia round-trip?

    Currently priced at $283, Spirit Airlines will fly you from Seattle to Philadelphia and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $302 and $306, respectively. Spirit Airlines is currently priced 33% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $127 on Spirit Airlines. Other airlines that offer cheap prices include Alaska Airlines from $129 and Delta from $138 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Philadelphia consider choosing Hawaiian Airlines (92%), Finnair (67%) or Air Tahiti Nui (64%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Philadelphia?

    Looking at all options, your cheapest flight can be booked for $128. While the most popular route (Seattle/Tacoma Intl - Philadelphia) can be booked for $137 on average our data indicates $643 when flying from Seattle to Philadelphia.

  • What does SEA to PHL mean?

    Seattle/Tacoma Intl Airport is SEA and Philadelphia Airport is PHL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Where are the most common layover locations when flying from Seattle to Philadelphia?

  • What are some popular things to do or see while on a layover in Denver?

    Coors Field, 16th Street Mall, and Paramount Theatre are the most popular attractions in Denver if you're in need of something to do during your layover. Coors Field, 16th Street Mall and Paramount Theatre are located about 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl if you are interested in checking them out. Those on a layover in Denver in need of a rental car can book one at Denver Intl for about $61.

  • Where are the least popular layover locations for Seattle to Philadelphia flights?

  • Can I find deals for flights from Seattle to Philadelphia that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Philadelphia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Philadelphia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Philadelphia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Philadelphia that allow pets onboard?

    Many airlines flying from Seattle to Philadelphia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Philadelphia?

    Yes, you can often find last-minute deals on Seattle to Philadelphia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Philadelphia flight deals updated?

    The Seattle to Philadelphia flight deals you see on this page were last updated on 10/30.

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

    Currently, September is the cheapest month in which you can book a flight from Seattle to Philadelphia (average of $234). Flying from Seattle to Philadelphia in March is currently the most expensive (average of $284). 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.

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Alternative routes for Seattle to Philadelphia

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

Top 7 airlines flying from Seattle to Philadelphia

Discover the top 7 airlines that operate flights from Seattle to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$85Average$214FlexibilityNo cancel feeOn-time65%
FrontierCheapest$132Average$243FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$220Average$300FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$222Average$563FlexibilityNo cancel feeOn-time69%
DeltaCheapest$230Average$418FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$260Average$461FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$284Average$461FlexibilityNo cancel feeOn-time71%
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