Cheap flights from Seattle to Philadelphia (SEA - PHL) from $131

Mon 5/139:40 pmSEA - PHL

3 stops32h 20mSpirit Airlines

Sat 5/1812:25 pmPHL - SEA

2 stops23h 20mSpirit Airlines

Deal found 5/6$234

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Wed 5/299:35 amSEA - PHL

3 stops24h 21mSpirit Airlines

Tue 6/118:06 pmPHL - SEA

2 stops15h 26mSpirit Airlines

Deal found 5/6$240

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Mon 5/279:35 amSEA - PHL

2 stops34h 24mSpirit Airlines

Tue 6/48:00 amPHL - SEA

3 stops27h 32mSpirit Airlines

Deal found 5/6$252

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Mon 5/139:40 pmSEA - PHL

3 stops32h 20mSpirit Airlines

Sat 5/187:31 amPHL - SEA

1 stop28h 14mSpirit Airlines

Deal found 5/6$253

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Tue 5/289:40 pmSEA - PHL

1 stop29h 50mSpirit Airlines

Mon 6/105:35 amPHL - SEA

2 stops17h 34mSpirit Airlines

Deal found 5/6$254

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Tue 5/289:40 pmSEA - PHL

1 stop29h 50mSpirit Airlines

Sat 6/15:11 pmPHL - SEA

2 stops18h 34mSpirit Airlines

Deal found 5/6$256

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Mon 6/39:40 pmSEA - PHL

2 stops18h 40mSpirit Airlines

Mon 6/106:15 pmPHL - SEA

2 stops17h 44mSpirit Airlines

Deal found 5/6$257

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Tue 5/289:40 pmSEA - PHL

1 stop29h 50mSpirit Airlines

Sat 6/812:55 pmPHL - SEA

2 stops22h 37mSpirit Airlines

Deal found 5/6$259

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Tue 5/289:40 pmSEA - PHL

3 stops24h 02mSpirit Airlines

Sat 6/17:31 amPHL - SEA

1 stop9h 27mSpirit Airlines

Deal found 5/6$261

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• If you’re traveling from Seattle to Philadelphia, one of the more common airlines traveling that route is Spirit Airlines. Seattle to Philadelphia flights are typically 56% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $419.58 RT. The cheapest Spirit Airlines flight found for this route was $168. When traveling from Seattle to Philadelphia on Spirit Airlines, the most popular airport to depart from is Seattle/Tacoma Intl Airport and the most popular airport to arrive at is Philadelphia Airport. When flying from Seattle to Philadelphia, Spirit Airlines flights are 11% more popular than any other airline flying that same route.

Wed 7/2412:20 pmSEA - PHL

1 stop19h 53mSun Country Air

Sat 7/274:30 pmPHL - SEA

1 stop20h 09mSun Country Air

Deal found 5/7$235

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Wed 6/125:50 pmSEA - PHL

1 stop14h 13mSun Country Air

Fri 6/2812:03 pmPHL - SEA

1 stop13h 51mSun Country Air

Deal found 5/7$238

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Fri 6/1411:59 pmSEA - PHL

1 stop17h 55mSun Country Air

Sun 6/3012:06 pmPHL - SEA

1 stop13h 48mSun Country Air

Deal found 5/7$250

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Tue 7/96:07 pmSEA - PHL

1 stop13h 20mSun Country Air

Wed 7/3111:25 amPHL - SEA

1 stop8h 07mSun Country Air

Deal found 5/6$255

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Thu 6/611:59 pmSEA - PHL

1 stop8h 24mSun Country Air

Wed 7/311:13 amPHL - SEA

1 stop14h 41mSun Country Air

Deal found 5/6$260

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Wed 6/125:50 pmSEA - PHL

1 stop14h 13mSun Country Air

Sat 6/2910:50 amPHL - SEA

1 stop8h 12mSun Country Air

Deal found 5/6$263

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Wed 7/1011:59 pmSEA - PHL

1 stop8h 14mSun Country Air

Mon 7/1512:27 pmPHL - SEA

1 stop13h 26mSun Country Air

Deal found 5/6$270

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Tue 7/305:40 pmSEA - PHL

1 stop13h 47mSun Country Air

Thu 8/812:14 pmPHL - SEA

1 stop22h 58mSun Country Air

Deal found 5/7$275

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Fri 6/2811:59 pmSEA - PHL

1 stop7h 01mSun Country Air

Tue 7/211:40 amPHL - SEA

1 stop8h 15mSun Country Air

Deal found 5/7$284

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• Sun Country Air is one of the most popular airlines used for those traveling from Seattle to Philadelphia. Flights on this route from Sun Country Air typically cost $437.01 RT, a price that is 54% more expensive than the average Seattle to Philadelphia flight. The cheapest flight found was $248 RT. The most popular departure airport in Seattle when flying to Philadelphia is Seattle/Tacoma Intl Airport. The most popular airport to fly into when visiting Philadelphia is Philadelphia Airport. When flying from Seattle to Philadelphia, Sun Country Air flights are 1% more popular than any other airline flying that same route.

Currently, October is the cheapest month in which you can book a flight from Seattle to Philadelphia (average of $224). Flying from Seattle to Philadelphia in July is currently the most expensive (average of $309). 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 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 57m on average. When it comes time to book airfare, you have a few options: there are 3 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 $234, but on average you can expect to pay $243.

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

  Cheapflights has at least 20 direct flights from Seattle to Philadelphia under $300. A good price for a nonstop flight from Seattle to Philadelphia is less than $341.

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

  There are currently 20+ 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, Tuesday.

• How popular is this Seattle to Philadelphia flight route?

  Flights from Seattle/Tacoma Intl to Philadelphia have been viewed 2 times in the past calendar month.

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

  On average 1 flight departs from Seattle to Philadelphia per day.
  Evening (6pm - Midnight) - 100% of flight departures

• How long is the flight from Seattle to Philadelphia?

  Airlines like Spirit Airlines, Sun Country Air, and Frontier fly from Seattle to Philadelphia in about 19h 53m. The time it takes to get you to your destination can typically vary by up to 12h 27m. 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 $234, 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 Sun Country Air and Frontier - these airlines can fly you to your destination from $235 and $237, respectively. Spirit Airlines is currently priced 42% 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 $133 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $134 and Sun Country Air from $140 one-way.

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

  American Airlines, Alaska Airlines and JetBlue are the most popular airlines when flying from Seattle to Philadelphia.

• 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 American Airlines (84%), Air Tahiti Nui (82%) or Alaska Airlines (52%) 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 $148. While the most popular route (Seattle/Tacoma Intl - Philadelphia) can be booked for $168 on average our data indicates $1,437 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?

  Flights departing from Seattle and landing in Philadelphia layover in Denver most frequently.

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

  Coors Field, 16th Street Mall, and Civic Center Park 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 Civic Center Park are located about 18.4 mi, 18.7 mi, and 18.7 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 $43.

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

  Seattle to Philadelphia flights that have layovers will least frequently stop in Salt Lake City.

• 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 5/7.