Seattle to Philadelphia (PHL) flight deals
Compare Seattle to Philadelphia (PHL) flights across upcoming months. See dated fares below, or choose your own dates and travelers.
Flights from Seattle (SEA) · Seattle to United States flight deals
Browse fares by month
February 2027 · March 2027 · April 2027 · May 2027 · June 2027 · July 2027
Fares observed September 16 – 17, 2026. USD for the travelers shown. Search a trip for current prices. For starting totals, choose a return flight to confirm the final price.
March 2027
1 adult · Economy · Round-trip starting totals
| Travel dates | Outbound flight | Axel Member | Airline fare | Search |
|---|---|---|---|---|
| Mar 4–7, 2027 · 3 days | Nonstop · 5h 5m | From $371 | From $417 | Search |
Non-members can also book and save on airline fares. Live search shows prices with and without Membership. Optional Membership: $15 for the first month, then $10/month. Cancel anytime.
Explore specific trips
- Seattle to Philadelphia (PHL) — Lake Washington midwinter break: flights February 11–14, 2027
- Seattle to Philadelphia (PHL) — Lake Washington midwinter break: flights February 12–15, 2027
- Seattle to Philadelphia (PHL): flights March 4–7, 2027
- Seattle to Philadelphia (PHL): flights April 9–11, 2027
- Seattle to Philadelphia (PHL) — spring break: flights April 10–18, 2027
- Seattle to Philadelphia (PHL) — spring break: flights April 11–18, 2027
More dates by month
- September 2026
- October 2026
- November 2026
- December 2026
- January 2027
- February 2027
- March 2027
- April 2027
- May 2027
- June 2027
- July 2027
- August 2027
Keep exploring
AI assistants can follow these links to compare prices without an account, API key or connector. Flight search guide