Philadelphia (PHL) to Seattle (SEA) flights

An economy award from Philadelphia (PHL) to Seattle (SEA) starts at 5,500 miles one way with American AAdvantage on American Airlines, plus taxes and fees from $5.60. 3 airlines fly nonstop from Philadelphia (PHL) to Seattle (SEA): Alaska Airlines, American Airlines and Delta Air Lines. The two airports are 2,372 miles (3,817 km) apart. Alaska Airlines and American Airlines are in oneworld and Delta Air Lines is in SkyTeam. There are also 46 ways to fly it with one stop, through Minneapolis, Detroit and Cleveland and more.
How many miles PHL to SEA costs
Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.
| Program | Economy | Taxes and fees |
|---|---|---|
| American AAdvantageOn American Airlines | 5,500 | $5.60 |
| Alaska Atmos RewardsOn Alaska Airlines | 12,500 | $5.60 |
| Iberia ClubOn American Airlines | 13,000 | $5.60 |
| Cathay Pacific Asia MilesOn American Airlines | 15,000 | $5.60 |
| SAS EuroBonusOn Delta Air Lines | 15,000 | $56β112 |
| Qatar Airways Privilege ClubOn American Airlines | 16,000 | $5.60 |
| Finnair PlusOn American Airlines | 16,500 | $5.60 |
| British Airways ClubOn American Airlines | 20,000 | $5.60 |
| Starlux (COSMILE)On Alaska Airlines | 20,000 | $38.60 |
| Qantas Frequent FlyerOn American Airlines | 20,700 | $5.60 |
| Virgin Atlantic Flying ClubOn Delta Air Lines | 22,000 | $5.60 |
| JAL Mileage BankOn American Airlines | 23,000 | $5.60 |
Business and first class prices, and 1 more programs, are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.
Compare every program in the Award Flight PricerAirlines flying nonstop from PHL to SEA
- Alaska Airlinesoneworld Β· bookable with 9 programsWho books it

- American Airlinesoneworld Β· bookable with 9 programsWho books it

- Delta Air LinesSkyTeam Β· bookable with 8 programsWho books it

Book PHL to SEA with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines, American Airlines
- American AAdvantageBooks Alaska Airlines, American Airlines
- British Airways ClubBooks Alaska Airlines, American Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines, American Airlines
- Finnair PlusBooks Alaska Airlines, American Airlines
- Iberia ClubBooks Alaska Airlines, American Airlines
- JAL Mileage BankBooks Alaska Airlines, American Airlines
- Qantas Frequent FlyerBooks Alaska Airlines, American Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines, American Airlines
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Korean Air SKYPASSBooks Delta Air Lines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
PHL to SEA with one stop
46 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way






- Via Detroit (DTW)Delta Air Lines the whole way





- Via Cleveland (CLE)American Airlines, then Alaska Airlines


- Via Milwaukee (MKE)American Airlines, then Alaska Airlines


- Via Pittsburgh (PIT)American Airlines the whole way



- Via Chicago (ORD)American Airlines and United Airlines the whole way




+1
- Via Chicago (MDW)Southwest Airlines the whole way


- Via Toronto (YYZ)Air Canada the whole way




- Via Columbus (CMH)American Airlines, then Alaska Airlines


- Via Baltimore (BWI)Southwest Airlines the whole way



- Via Dulles (IAD)United Airlines the whole way




- Via Washington (DCA)American Airlines, then Alaska Airlines and Delta Air Lines



- Via Indianapolis (IND)American Airlines the whole way



- Via Omaha (OMA)American Airlines, then Alaska Airlines


- Via Cincinnati (CVG)American Airlines, then Delta Air Lines and Alaska Airlines



PHL to SEA: common questions
How many miles does PHL to SEA cost?
In economy it starts at 5,500 miles one way with American AAdvantage on American Airlines, plus taxes and fees from $5.60. Next cheapest: Alaska Atmos Rewards (12,500), Iberia Club (13,000) and Cathay Pacific Asia Miles (15,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.
Which airlines fly nonstop from PHL to SEA?
Alaska Airlines (oneworld), American Airlines (oneworld) and Delta Air Lines (SkyTeam) fly nonstop from Philadelphia (PHL) to Seattle (SEA).
How far is Philadelphia from Seattle by plane?
Philadelphia (PHL) and Seattle (SEA) are 2,372 miles (3,817 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book PHL to SEA award flights?
17 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 9 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
Where can I connect between Philadelphia and Seattle?
The most direct connections are through Minneapolis (MSP), Detroit (DTW), Cleveland (CLE), Milwaukee (MKE) and Pittsburgh (PIT). On 27 of them the same airline flies both flights, for example Delta Air Lines through Minneapolis.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.









