Airlines that fly from Seattle-Tacoma International Airport (SEA) to Philadelphia International Airport (PHL)
- American AirlinesAmerican Airlines
- Alaska AirlinesAlaska Airlines
- DeltaDelta
- UnitedUnited
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 35% on select hotels after you book a flight*
Cheap Flights from Seattle (SEA) to Philadelphia (PHL)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Philadelphia Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, United |
Return price | AU$440 |
Distance | 3794 km |
Your quick guide to flights from Seattle to Philadelphia
Pick up great flights from Seattle to Philadelphia
With Expedia, you have your pick of 6 flights a day with 20 airlines covering flights from Seattle to Philadelphia. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Philadelphia that take around 10 hours.
Find cheap flights from Seattle to Philadelphia
From the great flight deals with prices currently ranging from AU$441 to AU$540, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Philadelphia around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Philadelphia is normally in January.
Reasons to book your flight from Seattle to Philadelphia with Expedia
Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Philadelphia across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Philadelphia right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.
Frequently asked questions
- Trending Routes
- Top Flights Destinations
- Related Carriers
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Seattle
- Seattle to Newark Liberty Intl. Airport (SEA - EWR)
- Seattle to Los Angeles (SEA - LAX)
- Seattle to Bangkok (SEA - BKK)
- Seattle to Orange County (SEA - SNA)
- Seattle to New York (SEA - LGA)
- Seattle to Manila (SEA - MNL)
- Seattle to Delhi (SEA - DEL)
- Seattle to New York (SEA - JFK)
- Seattle to Tokyo (SEA - NRT)
- Seattle to Melbourne (SEA - MEL)
- Seattle to Baltimore (SEA - BWI)
- Seattle to Seoul (SEA - ICN)
Top Routes to Philadelphia
- San Diego to Philadelphia (SAN - PHL)
- Los Angeles to Philadelphia (LAX - PHL)
- Paris to Philadelphia (CDG - PHL)
- Honolulu to Philadelphia (HNL - PHL)
- Adelaide to Philadelphia (ADL - PHL)
- Gold Coast to Philadelphia (OOL - PHL)
- New York to Philadelphia (JFK - PHL)
- Melbourne to Philadelphia (MEL - PHL)
- London to Philadelphia (LHR - PHL)
- Brisbane to Philadelphia (BNE - PHL)
Top Flight Destinations
- Flights to New York
- Flights to Las Vegas
- Flights to Orlando
- Flights to Chicago
- Flights to Los Angeles
- Flights to Miami
- Flights to San Diego
- Flights to New Orleans
- Flights to Boston
- Flights to Gatlinburg
- Flights to Nashville
- Flights to Honolulu
- Flights to Fort Lauderdale
- Flights to Atlanta
- Flights to Pigeon Forge
- Flights to Key West
- Flights to San Antonio
- Flights to Houston
- Flights to San Francisco
- Flights to Washington