United States Β· 2,372 miles (3,817 km)

Philadelphia (PHL) to Seattle (SEA) flights

American AAdvantage logo
5,500 milesCheapest economy award, one way, with American AAdvantage

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.

ProgramEconomyTaxes and fees
American AAdvantageOn American Airlines5,500$5.60
Alaska Atmos RewardsOn Alaska Airlines12,500$5.60
Iberia ClubOn American Airlines13,000$5.60
Cathay Pacific Asia MilesOn American Airlines15,000$5.60
SAS EuroBonusOn Delta Air Lines15,000$56–112
Qatar Airways Privilege ClubOn American Airlines16,000$5.60
Finnair PlusOn American Airlines16,500$5.60
British Airways ClubOn American Airlines20,000$5.60
Starlux (COSMILE)On Alaska Airlines20,000$38.60
Qantas Frequent FlyerOn American Airlines20,700$5.60
Virgin Atlantic Flying ClubOn Delta Air Lines22,000$5.60
JAL Mileage BankOn American Airlines23,000$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 Pricer

Airlines flying nonstop from PHL to SEA

  • Alaska Airlines logo
    Alaska Airlinesoneworld Β· bookable with 9 programsWho books it
  • American Airlines logo
    American Airlinesoneworld Β· bookable with 9 programsWho books it
  • Delta Air Lines logo
    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.

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
    American Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    American Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Cleveland (CLE)American Airlines, then Alaska Airlines
    American Airlines logo
    Alaska Airlines logo
  • Via Milwaukee (MKE)American Airlines, then Alaska Airlines
    American Airlines logo
    Alaska Airlines logo
  • Via Pittsburgh (PIT)American Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    American Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Toronto (YYZ)Air Canada the whole way
    American Airlines logo
    Air Canada logo
    Air Canada logo
    Alaska Airlines logo
  • Via Columbus (CMH)American Airlines, then Alaska Airlines
    American Airlines logo
    Alaska Airlines logo
  • Via Baltimore (BWI)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    United Airlines logo
    Alaska Airlines logo
    United Airlines logo
    Delta Air Lines logo
  • Via Washington (DCA)American Airlines, then Alaska Airlines and Delta Air Lines
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Indianapolis (IND)American Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    American Airlines logo
  • Via Omaha (OMA)American Airlines, then Alaska Airlines
    American Airlines logo
    Alaska Airlines logo
  • Via Cincinnati (CVG)American Airlines, then Delta Air Lines and Alaska Airlines
    American Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
See all 46 in Routes

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.