Philadelphia to Seattle (PHL–SEA) — Airlines, Schedules & Connections

PHL Airport Page →
2,372 mi airlines 42/wk
On-time Some delays Frequent delays
Flight Schedule 11 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
AS370
AS Alaska
7M9
7:25 AM
EDT TD
10:30 AM
MDT
6h 5m
M T W T F S S
Prices
HA6353
HA Hawaiian
7M9
7:25 AM
EDT TD
10:30 AM
MDT
6h 5m
M T W T F S S
Prices
AA888
AA American
7M8
8:25 AM
EDT
11:34 AM
MDT
6h 9m
M T W T F S S
Prices
AA2763
AA American
321
6:08 PM
EDT
9:23 PM
MDT
6h 15m
M T W T F S S
Prices
AS443
AS Alaska
739
6:17 PM
EDT TD
9:43 PM
MDT
5h 26m
M T W T F S S
Prices
AA2361
AA American
32Q
6:35 PM
EDT TC
9:57 PM
MDT
6h 22m
M T W T F S S
Prices
AS442
AS Alaska
7M9
9:37 AM
MDT
5:47 PM
EDT
5h 10m
M T W T F S S
Prices
BA4366
BA British
7M8
12:34 PM
MDT
8:55 PM
EDT
5h 21m
M T W T F S S
Prices
AS371
AS Alaska
7M9
9:55 PM
MDT
6:05 AM+1
EDT
5h 10m
M T W T F S S
Prices
AA2763
AA American
321
10:47 PM
MDT
7:00 AM+1
EDT
5h 13m
M T W T F S S
Prices
AA2361
AA American
32Q
10:57 PM
MDT
7:02 AM+1
EDT
5h 5m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Philadelphia to Seattle
3 carriers, 42 flights/week nonstop.
3 Airlines 42 Flights/wk 2,372 mi 5h 26m nonstop -2h behind 70 1-stop hubs

PHL–SEA is served by 3 airlines with nonstop service. American Airlines, Alaska Airlines and Hawaiian Airlines lead the route. The flight covers 2,372 miles in approximately 5h 26m. Beyond nonstop, 70 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop PHL–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AA American Airlines 21 321, 32Q, 7M8 6h09-6h22 74% Oneworld
AS Alaska Airlines 14 739, 7M9 5h26-6h05 74% Oneworld
HA Hawaiian Airlines 7 7M9 6h05 74%
Aircraft on this route
321 Airbus A321 – AA
32Q Airbus A321neo – AA
739 Boeing 737-900 – AS
7M8 Boeing 737 MAX 8 – AA
7M9 Boeing 737 MAX 9 – AS, HA
Alliance coverage
Oneworld: AA + AS (35 flights/wk, 83%)
Unaffiliated: HA (7 flights/wk, 17%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, PHL to SEA direction.
Mon
6
flights
Tue
6
flights
Wed
6
flights
Thu
6
flights
Fri
6
flights
Sat
6
flights
Sun
6
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
6
Nonstop flights
42
Outbound / wk
35
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for PHL to SEA.
1-STOP
One-Stop Connections
70
Hubs
~6h
Fastest
~42h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
4,038
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
PHL → SEA
74%
Moderate delays possible. Allow buffer time.
Departing
74%
Arriving
92%
Return
SEA → PHL
80%
Generally reliable. Most flights run on time.
Departing
80%
Arriving
82%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. PHL delays → SEA delays →

Other ways to reach Seattle from Philadelphia

Nearby airports with service to Seattle–Tacoma International Airport.
Metric PHL→SEA EWR→SEA BWI→SEA
Distance from PHL 80 mi 90 mi
Nonstop airlines 3 5 2
Weekly flights 42 84 14
Flight time 5h 26m 4h 53m 5h 11m
Departure OTP 74%
Airports within 200 miles of PHL with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Seattle is 2 hours behind Philadelphia.
PHL: EDT · SEA: MDT

When it's 6:00 PM in Philadelphia, it's 4:00 PM in Seattle.
Distance & Flight Time
2,372 mi / 3,818 km
Nonstop flight time is approximately 5h 26m to 6h 22m.
Getting to PHL

SEPTA Airport Line rail runs from Center City Philadelphia (30th Street, Suburban, Jefferson, and Market East stations) to the airport in 25–30 minutes ($8 each way). Trains run every 30 minutes from about 5am to midnight. I-76 (Schuylkill Expressway) and I-95 are both frequently congested, making the train a consistent choice for anyone based near a SEPTA station.

Ride-shares from Center City cost $20–35 and take 20–40 minutes. Taxis are metered and slightly more.

Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

PHL–SEA Quick Facts

Key statistics for the Philadelphia to Seattle route.
Route details
Distance2,372 mi / 3,818 km
Flight time5h 26m to 6h 22m
Time difference-2 hours
Airlines (nonstop)3
Weekly flights42 out / 35 return
1-stop connections70 hubs
Origin: PHL
IATA / ICAOPHL / KPHL
TimezoneAmerica/New_York
Passengers/yr30.2M
Elevation36 ft / 11 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about PHL to SEA flights.
Nonstop flights from Philadelphia International Airport to Seattle–Tacoma International Airport take approximately 5h 26m to 6h 22m. The route covers 2,372 miles.
3 airlines operate nonstop service: American Airlines, Alaska Airlines and Hawaiian Airlines.
There are approximately 42 nonstop flights per week from PHL to SEA. The return direction has about 35 weekly flights.
Yes, 1-stop connections are available through YYT, FAR, ASE, BZN, MEM, ACV, HOU, ABQ, JAC, OMA, SAT, EGE, ICT, OAK, SJC, ONT, SNA, MKE, MEX, LIR, IAD, YYZ, JFK, CMH, PIT, CHS, CUN, IND, HNL, CLE, CVG, MDW, STL, EWR, ATL, FCO, ORD, DEN, CLT, CDG, DAL, MSP, SLC, IAH, DFW, BOS, BNA, MSY, MIA, DTW, RDU, FRA, FLL, DCA, LAS, PHX, MCO, LHR, SFO, MCI, LAX, SAN, DUB, TPA, AUS, GSO, RSW, BWI, AMS and DOH. These options provide additional schedule flexibility.
Seattle is 2 hours behind Philadelphia.
Yes, return flights from SEA to PHL are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include EWR and BWI. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from PHL to SEA

Philadelphia International Airport (PHL) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from American Airlines, Alaska Airlines and Hawaiian Airlines. With 42 weekly departures, this is a heavily served route.

PHL to SEA Flight Duration and Schedule

Nonstop flight time from PHL to SEA ranges from 5 hours 26 minutes to 6 hours 22 minutes. The route covers a distance of 2,372 miles (3,818 km). There are approximately 42 weekly flights outbound and 35 return, totaling 77 flights per week in both directions.

Connecting Options and Alternatives

70 one-stop connections are available, with the fastest taking approximately 6 hours via YYT. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Newark (EWR) and Baltimore (BWI).