
Popular airlines from Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA)
- Alaska Airlines
Alaska Airlines
- American Airlines
American Airlines
- United
United
- Delta
Delta
- Southwest Airlines
Southwest Airlines
- Sun Country Airlines
Sun Country Airlines
- JetBlue Airways
JetBlue Airways
- Be in the knowGet alerts if flight prices drop or rise*
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Cheap Flights from Philadelphia (PHL) to Seattle (SEA)
Prices were available within the past 7 days and start at ฿5,160 for one-way flights and ฿9,015 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, 18 Feb - Sat, 21 Feb
PHL
Philadelphia
SEA
Seattle
฿9,015 Return, found 5 days ago
฿9,015
Return
found 5 days ago

Wed, 18 Feb - Sat, 21 Feb
PHL
Philadelphia
SEA
Seattle
฿10,810 Return, found 5 days ago
฿10,810
Return
found 5 days ago

Wed, 18 Feb - Sat, 21 Feb
PHL
Philadelphia
SEA
Seattle
฿11,130 Return, found 5 days ago
฿11,130
Return
found 5 days ago

Wed, 18 Feb - Sat, 21 Feb
PHL
Philadelphia
SEA
Seattle
฿11,300 Return, found 5 days ago
฿11,300
Return
found 5 days ago

Wed, 18 Feb - Sat, 21 Feb
PHL
Philadelphia
SEA
Seattle
฿11,320 Return, found 5 days ago
฿11,320
Return
found 5 days ago

Wed, 18 Feb - Sat, 21 Feb
PHL
Philadelphia
SEA
Seattle
฿11,620 Return, found 5 days ago
฿11,620
Return
found 5 days ago

Wed, 18 Feb - Sat, 21 Feb
PHL
Philadelphia
SEA
Seattle
฿11,940 Return, found 5 days ago
฿11,940
Return
found 5 days ago

Wed, 18 Feb - Sat, 21 Feb
PHL
Philadelphia
SEA
Seattle
฿12,445 Return, found 5 days ago
฿12,445
Return
found 5 days ago

Wed, 18 Feb - Sat, 21 Feb
PHL
Philadelphia
SEA
Seattle
฿12,590 Return, found 5 days ago
฿12,590
Return
found 5 days ago

Wed, 18 Feb - Sat, 21 Feb
PHL
Philadelphia
SEA
Seattle
฿12,595 Return, found 5 days ago
฿12,595
Return
found 5 days ago
Find the cheapest month to fly from Philadelphia (PHL) to Seattle (SEA)
March is typically the cheapest month to fly
From ฿4,810 - ฿12,920 per traveller.
Origin airport | Philadelphia Intl. |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Return price | ฿9,015 |
Distance | 3794 km |
Average flight time | 3 hours 12 mins |
Perfect flights from Philadelphia to Seattle
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Philadelphia to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Philadelphia Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿5,160 and roundtrip prices from ฿9,015. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.
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*Available to Expedia members.