Flights from PHL to Seattle, WA

Compare prices from 500+ airlines and find the best deals on flights from PHL to SEA.*Prices shown are estimated based on historical data.

$903*
Est. Average Price
13h 5m
Avg. Flight Time
6285 mi
Flight Distance

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About Flights from PHL to Seattle, WA

Looking for cheap flights from PHL (PHL) to Seattle, WA (SEA)? You've come to the right place. Fly2Any compares prices from over 500 airlines to help you find the best deals on this popular route.

Flight Information

Flights from PHL to SEA typically take around 13h 5m. The flight covers a distance of 6285 miles. Multiple airlines operate this route, including Southwest Airlines, British Airways, Cathay Pacific.

Best Time to Book

For the best prices on PHL to SEA flights, we recommend booking 2-3 months in advance. Prices tend to be lowest for mid-week departures (Tuesday and Wednesday). Use our Price Calendar feature to compare prices across different dates and find the cheapest options.

Airlines on This Route

Several major airlines serve the PHL to Seattle, WA route, including:

  • Southwest Airlines (WN)
  • British Airways (BA)
  • Cathay Pacific (CX)

Frequently Asked Questions - PHL to SEA Flights

How long is the flight from PHL to Seattle, WA?

Direct flights from PHL (PHL) to Seattle, WA (SEA) take approximately 13h 5m. Connecting flights may add 2-4 hours depending on layover location. For the fastest journey, look for nonstop flights which are typically available on this popular route.

When is the best time to book PHL to SEA flights?

For the best prices on PHL to SEA flights, book 6-8 weeks in advance for domestic routes or 2-4 months ahead for international travel. Domestic flights are typically 20-40% cheaper in off-peak months. Peak season months (July, August) have higher prices, while January and February typically offer the best deals.

What are the cheapest days to fly from PHL to Seattle, WA?

Tuesday and Wednesday departures are typically 15-25% cheaper than weekend flights on the PHL to SEA route. Saturday is usually the most expensive day to fly. For additional savings, consider red-eye flights or early morning departures, which often have lower fares and less crowded airports.

Which airlines fly from PHL to SEA?

Multiple airlines serve the PHL to SEA route. Compare prices across all carriers using Fly2Any to find the best combination of price, timing, and amenities.

What is the cheapest month to fly from PHL to Seattle, WA?

The cheapest months to fly from PHL to SEA are typically January, February, September. Domestic flights are typically 20-40% cheaper in off-peak months. Avoid peak travel periods like July and August when prices can be 30-50% higher. Use Fly2Any's price alerts to get notified when fares drop.

What is the baggage allowance for PHL to SEA flights?

Baggage allowances vary by airline and fare class. Most full-service carriers include one checked bag (up to 50 lbs) on this route. Budget carriers may charge $25-$60 for checked bags. All airlines allow one personal item free. Compare total costs including baggage fees when booking to get the best deal.

Are there direct flights from PHL to Seattle, WA?

Yes, several airlines offer nonstop flights from PHL to SEA. Direct flights take approximately 13h 5m. If you're flexible with your schedule, connecting flights through major hubs like ATL or ORD may offer lower prices.

How much do flights from PHL to Seattle, WA cost?

Prices for PHL to SEA flights typically range from $150-$500 roundtrip for economy class, depending on when you book and travel dates. Use Fly2Any to compare all airlines and find current deals. Setting a price alert ensures you never miss a fare drop.

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