Cheap flights from Seattle to Philadelphia (SEA - PHL) from $132

mié. 5/225:45 pmSEA - PHL

1 stop14h 51mSun Country Air

mar. 5/286:15 pmPHL - SEA

1 stop25h 25mSun Country Air

Deal found 5/15$225

Pick Dates

lun. 6/2411:59 pmSEA - PHL

1 stop7h 44mSun Country Air

vie. 7/512:27 pmPHL - SEA

1 stop13h 26mSun Country Air

Deal found 5/15$241

Pick Dates

jue. 6/1311:59 pmSEA - PHL

1 stop8h 17mSun Country Air

lun. 6/1712:27 pmPHL - SEA

1 stop25h 41mSun Country Air

Deal found 5/14$250

Pick Dates

jue. 6/1311:59 pmSEA - PHL

1 stop8h 17mSun Country Air

dom. 6/3012:06 pmPHL - SEA

1 stop13h 48mSun Country Air

Deal found 5/15$255

Pick Dates

vie. 5/245:40 pmSEA - PHL

1 stop14h 26mSun Country Air

mar. 5/286:15 pmPHL - SEA

1 stop25h 25mSun Country Air

Deal found 5/16$265

Pick Dates

jue. 8/811:59 pmSEA - PHL

1 stop8h 28mSun Country Air

jue. 8/1512:00 pmPHL - SEA

1 stop13h 53mSun Country Air

Deal found 5/15$275

Pick Dates

vie. 6/1411:59 pmSEA - PHL

1 stop17h 55mSun Country Air

dom. 6/3012:06 pmPHL - SEA

1 stop13h 48mSun Country Air

Deal found 5/15$285

Pick Dates

jue. 6/1311:59 pmSEA - PHL

1 stop8h 17mSun Country Air

lun. 7/112:25 pmPHL - SEA

1 stop13h 29mSun Country Air

Deal found 5/15$289

Pick Dates

jue. 8/811:59 pmSEA - PHL

1 stop8h 28mSun Country Air

mié. 8/1411:23 amPHL - SEA

1 stop8h 23mSun Country Air

Deal found 5/15$290

Pick Dates

• 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 $416.20 RT, a price that is 54% more expensive than the average Seattle to Philadelphia flight. The cheapest flight found was $168 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 11% more popular than any other airline flying that same route.

sáb. 5/2510:22 amSEA - PHL

1 stop16h 12mFrontier

mar. 5/288:27 pmPHL - SEA

1 stop14h 07mFrontier

Deal found 5/15$190

Pick Dates

vie. 5/2410:24 pmSEA - PHL

1 stop28h 10mFrontier

mar. 5/281:15 pmPHL - SEA

1 stop21h 19mFrontier

Deal found 5/14$231

Pick Dates

mar. 5/218:14 pmSEA - PHL

1 stop12h 56mFrontier

mar. 5/288:27 pmPHL - SEA

1 stop14h 07mFrontier

Deal found 5/16$242

Pick Dates

mar. 5/288:14 pmSEA - PHL

1 stop12h 56mFrontier

mar. 6/41:04 pmPHL - SEA

1 stop9h 10mFrontier

Deal found 5/15$246

Pick Dates

dom. 6/98:12 pmSEA - PHL

1 stop12h 56mFrontier

lun. 6/178:23 pmPHL - SEA

1 stop15h 16mFrontier

Deal found 5/16$258

Pick Dates

mar. 6/118:12 pmSEA - PHL

1 stop12h 30mFrontier

lun. 7/18:23 pmPHL - SEA

1 stop15h 16mFrontier

Deal found 5/15$259

Pick Dates

lun. 6/1710:03 pmSEA - PHL

2 stops17h 02mFrontier

lun. 6/248:23 pmPHL - SEA

1 stop15h 16mFrontier

Deal found 5/15$262

Pick Dates

vie. 8/93:42 pmSEA - PHL

1 stop10h 38mFrontier

mar. 8/131:19 pmPHL - SEA

1 stop22h 18mFrontier

Deal found 5/15$263

Pick Dates

mar. 5/218:14 pmSEA - PHL

1 stop12h 56mFrontier

mié. 5/228:38 pmPHL - SEA

1 stop14h 52mFrontier

Deal found 5/15$269

Pick Dates

• One of the most popular airlines traveling from Seattle to Philadelphia is Frontier. Flights from Frontier traveling this route typically cost $437.51 RT. This price is typically 43% cheaper than other airlines that offer Seattle to Philadelphia flights. When booking this route, the cheapest RT price found was $248. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to Philadelphia. Philadelphia Airport is the most popular arrival airport in Philadelphia. When flying from Seattle to Philadelphia, Frontier 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 $225). Flying from Seattle to Philadelphia in July is currently the most expensive (average of $305). 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 Sun Country Air for just $241, but on average you can expect to pay $250.

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

  Cheapflights has at least 20 direct flights from Seattle to Philadelphia under $400. A good price for a nonstop flight from Seattle to Philadelphia is less than $367.

• Are there last-minute flights available from Seattle to Philadelphia for under $200?

  There are currently 20+ open flights from Seattle to Philadelphia within the next 7 days for less than $200.

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

  Nonstop flights can be found on the following days: Sunday.

• 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 2 flights depart from Seattle to Philadelphia per day.
  Morning (6am - Noon) - 100% of flight departures

• How long is the flight from Seattle to Philadelphia?

  Airlines like Sun Country Air, Frontier, and Spirit Airlines fly from Seattle to Philadelphia in about 7h 44m. The time it takes to get you to your destination can typically vary by up to 9h 17m. 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 $241, Sun Country Air will fly you from Seattle to Philadelphia and back. In addition to Sun Country Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Spirit Airlines - these airlines can fly you to your destination from $242 and $248, respectively. Sun Country Air is currently priced 41% 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 $134 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $137 and American Airlines from $144 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 Air Tahiti Nui (85%), Alaska Airlines (83%) or American Airlines (83%) 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 $142. While the most popular route (Seattle/Tacoma Intl - Philadelphia) can be booked for $135 on average our data indicates $1,137 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 5/16.