Compare live prices for PHL to SEA. Use the search panel
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PHL → SEAApprox. 3817.65 km08 May 2026Live inventory
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Showing 25
of 105
live flights
Delta Air Lines
DL-2092
07:10
05/08/2026
PHL
Philadelphia International Airport
2h 50m
Non-stop
10:00
05/08/2026
SEA
Seattle Tacoma International Airport
₹15,591
per person
✕ Non-refundable3 fare options
American Airlines
AA-888
08:25
05/08/2026
PHL
Philadelphia International Airport
3h 9m
Non-stop
11:34
05/08/2026
SEA
Seattle Tacoma International Airport
₹15,591
per person
✕ Non-refundable14 fare options
American Airlines
AA-2763
18:08
05/08/2026
PHL
Philadelphia International Airport
3h 15m
Non-stop
21:23
05/08/2026
SEA
Seattle Tacoma International Airport
₹15,591
per person
✕ Non-refundable14 fare options
Delta Air Lines
DL-2594
19:01
05/08/2026
PHL
Philadelphia International Airport
4h 43m
1 Stop
⏱ MSP · 1h 4mMSP Airport
23:44
05/08/2026
SEA
Seattle Tacoma International Airport
₹16,075
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-1391
17:18
05/08/2026
PHL
Philadelphia International Airport
5h 30m
1 Stop
⏱ DTW · 1h 53mDTW Airport
22:48
05/08/2026
SEA
Seattle Tacoma International Airport
₹16,075
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-2331
12:38
05/08/2026
PHL
Philadelphia International Airport
6h 11m
1 Stop
⏱ DTW · 2h 40mDTW Airport
18:49
05/08/2026
SEA
Seattle Tacoma International Airport
₹16,075
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-2023
07:25
05/08/2026
PHL
Philadelphia International Airport
7h 58m
1 Stop
⏱ SLC · 3h 54mSLC Airport
15:23
05/08/2026
SEA
Seattle Tacoma International Airport
₹16,075
per person
✕ Non-refundable3 fare options
American Airlines
AA-490
17:12
05/08/2026
PHL
Philadelphia International Airport
5h 26m
1 Stop
⏱ ORD · 0h 54mORD Airport
22:38
05/08/2026
SEA
Seattle Tacoma International Airport
₹16,499
per person
✕ Non-refundable14 fare options
American Airlines
AA-490
17:12
05/08/2026
PHL
Philadelphia International Airport
7h 24m
1 Stop
⏱ ORD · 3h 0mORD Airport
00:36
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹16,499
per person
✕ Non-refundable14 fare options
American Airlines
AA-2533
18:32
05/08/2026
PHL
Philadelphia International Airport
6h 12m
1 Stop
⏱ DFW · 1h 0mDFW Airport
00:44
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹16,499
per person
✕ Non-refundable14 fare options
American Airlines
AA-765
13:42
05/08/2026
PHL
Philadelphia International Airport
6h 31m
1 Stop
⏱ PHX · 0h 56mPHX Airport
20:13
05/08/2026
SEA
Seattle Tacoma International Airport
₹16,499
per person
✕ Non-refundable14 fare options
Delta Air Lines
DL-2029
18:45
05/08/2026
PHL
Philadelphia International Airport
5h 27m
1 Stop
⏱ SLC · 1h 20mSLC Airport
00:12
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹16,499
per person
✕ Non-refundable
American Airlines
AA-3181
15:21
05/08/2026
PHL
Philadelphia International Airport
6h 1m
1 Stop
⏱ DFW · 0h 44mDFW Airport
21:22
05/08/2026
SEA
Seattle Tacoma International Airport
₹16,499
per person
✕ Non-refundable13 fare options
American Airlines
AA-402
16:20
05/08/2026
PHL
Philadelphia International Airport
6h 38m
1 Stop
⏱ DFW · 1h 16mDFW Airport
22:58
05/08/2026
SEA
Seattle Tacoma International Airport
₹16,499
per person
✕ Non-refundable13 fare options
American Airlines
AA-1462
15:45
05/08/2026
PHL
Philadelphia International Airport
6h 53m
1 Stop
⏱ ORD · 2h 25mORD Airport
22:38
05/08/2026
SEA
Seattle Tacoma International Airport
₹16,499
per person
✕ Non-refundable13 fare options
American Airlines
AA-3181
15:21
05/08/2026
PHL
Philadelphia International Airport
7h 37m
1 Stop
⏱ DFW · 2h 20mDFW Airport
22:58
05/08/2026
SEA
Seattle Tacoma International Airport
₹16,499
per person
✕ Non-refundable13 fare options
Southwest Airlines
WN-3730
18:00
05/08/2026
PHL
Philadelphia International Airport
6h 5m
1 Stop
⏱ MDW · 2h 25mMDW Airport
00:05
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹17,019
per person
✕ Non-refundable🔥 Last 2 seats5 fare options
alaskaairlines
AS-370
07:22
05/08/2026
PHL
Philadelphia International Airport
2h 58m
Non-stop
10:20
05/08/2026
SEA
Seattle Tacoma International Airport
₹17,798
per person
✕ Non-refundable6 fare options
American Airlines
AA-793
13:47
05/08/2026
PHL
Philadelphia International Airport
5h 41m
1 Stop
⏱ CLT · 1h 2mCLT Airport
19:28
05/08/2026
SEA
Seattle Tacoma International Airport
₹20,197
per person
✕ Non-refundable13 fare options
American Airlines
AA-3326
12:53
05/08/2026
PHL
Philadelphia International Airport
6h 43m
1 Stop
⏱ DFW · 1h 26mDFW Airport
19:36
05/08/2026
SEA
Seattle Tacoma International Airport
₹20,197
per person
✕ Non-refundable13 fare options
American Airlines
AA-793
13:47
05/08/2026
PHL
Philadelphia International Airport
7h 17m
1 Stop
⏱ CLT · 2h 36mCLT Airport
21:04
05/08/2026
SEA
Seattle Tacoma International Airport
₹20,197
per person
✕ Non-refundable13 fare options
American Airlines
AA-417
10:55
05/08/2026
PHL
Philadelphia International Airport
8h 41m
1 Stop
⏱ DFW · 3h 32mDFW Airport
19:36
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,121
per person
✕ Non-refundable8 fare options
American Airlines
AA-2820
08:40
05/08/2026
PHL
Philadelphia International Airport
9h 9m
1 Stop
⏱ PHX · 3h 28mPHX Airport
17:49
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,121
per person
✕ Non-refundable8 fare options
American Airlines
AA-813
15:42
05/08/2026
PHL
Philadelphia International Airport
7h 16m
1 Stop
⏱ LAX · 1h 22mLAX Airport
22:58
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,121
per person
✕ Non-refundable8 fare options
American Airlines
AA-1775
14:15
05/08/2026
PHL
Philadelphia International Airport
8h 43m
1 Stop
⏱ LAX · 2h 49mLAX Airport
22:58
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,121
per person
✕ Non-refundable8 fare options
😕 No flights match your filters.
Philadelphia (PHL)
📍 Philadelphia International Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 39.87189865112305
📐 Longitude: -75.24109649658203
Seattle (SEA)
📍 Seattle Tacoma International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 47.449001
📐 Longitude: -122.308998
✈ Distance: Philadelphia,USA to Seattle,USA — 3817.65 km
📅 Results on this page are loaded for 08 May 2026. Click View all flights for the complete live search.
Philadelphia to Seattle — what to expect when booking
The PHL–SEA route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between Philadelphia,USA and Seattle,USA is approximately
3817.65 km.
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❓ Frequently asked questions — Philadelphia to Seattle flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between Philadelphia,USA (PHL) and Seattle,USA (SEA) is approximately 3817.65 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.