A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.
Departure window: through .
| Route / flight | Departure | Cabin | Book with | Points | Fees (USD) | Seats seen | Observed (UTC) |
|---|---|---|---|---|---|---|---|
| PHL → SEA AS370 | Economy | Alaska Atmos Rewards | 12,500 | $5.00 | 9 | ||
| PHL → SEA AS443 | Economy | Alaska Atmos Rewards | 12,500 | $5.00 | 9 | ||
| PHL → SEA AS370 | Economy | Alaska Atmos Rewards | 12,500 | $5.00 | 9 | ||
| PHL → SEA AS370 | Economy | Alaska Atmos Rewards | 12,500 | $5.00 | 9 | ||
| PHL → SEA AS443 | Economy | Alaska Atmos Rewards | 12,500 | $5.00 | 9 | ||
| PHL → SEA AS443 | Economy | Alaska Atmos Rewards | 15,000 | $5.00 | 7 | ||
| PHL → SEA AS370 | Economy | Alaska Atmos Rewards | 15,000 | $5.00 | 8 | ||
| PHL → SEA AA2870 | Economy | Alaska Atmos Rewards | 22,500 | $25.00 | 9 | ||
| PHL → SEA AA1823 | Economy | Alaska Atmos Rewards | 22,500 | $25.00 | 9 | ||
| PHL → SEA AA1823 | Economy | Alaska Atmos Rewards | 22,500 | $25.00 | 9 | ||
| PHL → SEA AA1398 | Economy | Alaska Atmos Rewards | 22,500 | $25.00 | 9 | ||
| PHL → SEA AA2870 | Economy | Alaska Atmos Rewards | 22,500 | $25.00 | 9 |
Did you mean Flights from Seattle to Philadelphia?
Philadelphia
United StatesPHL
Philadelphia International Airport
Seattle
United StatesSEA
Seattle Tacoma International Airport
Philadelphia International Airport (PHL) serves Philadelphia; Seattle Tacoma International Airport (SEA) serves Seattle.
The airports are 2,372 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from PHL to SEA.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Air France (AF), Alaska Airlines (AS), Finnair (AY), British Airways (BA), Cathay Pacific (CX), Delta Air Lines (DL), Starlux Airlines (JX), Korean Air (KE), Qatar Airways (QR) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Sep 21, 2026 – Sep 19, 2027.
These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.
Airline alliance affiliations represented: Oneworld, SkyTeam, Star Alliance
Philadelphia International Airport (PHL) is the origin airport and Seattle Tacoma International Airport (SEA) is the destination airport.
PHL and SEA are approximately 2,372 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from PHL to SEA.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Air France (AF), Alaska Airlines (AS), Finnair (AY), British Airways (BA), Cathay Pacific (CX), Delta Air Lines (DL), Starlux Airlines (JX), Korean Air (KE), Qatar Airways (QR) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include Airbus A321 (321), Airbus A321neo (32Q), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 737 MAX 8 (7M8) and JET.