Seattle / Tacoma (SEA) to Philadelphia (PHL) flight deal in economy from $133
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
PHLPhiladelphia International Airport
Philadelphia, United States
$206 USD
-35%$133 USD
Verified about 11 hours agoAugust 2026
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Limited Availability
11% of dates checked are available within 10% of the lowest price
Monday, August 17th, 2026
Outbound Flights
10h 23m·1 stop
$206 USD
SEAAug 17 23:00
→ORDAug 18 05:06
UA 747Boeing 737MAX 8 Passenger
3h 59m layover
ORDAug 18 09:05
→PHLAug 18 12:23
UA 729Boeing 737
8h 2m·1 stop
$242 USDSEAAug 17 13:57
→ORDAug 17 20:18
UA 2101Boeing 737MAX 9 Passenger
1h 27m layover
ORDAug 17 21:45
→PHLAug 18 00:59
UA 1744Boeing 737MAX 9 Passenger
8h 7m·1 stop
$304 USDSEAAug 17 23:00
→ORDAug 18 05:06
UA 747Boeing 737MAX 8 Passenger
1h 53m layover
ORDAug 18 06:59
→PHLAug 18 10:07
UA 2856Airbus A320
7h 39m·1 stop
$375 USDSEAAug 17 23:04
→IADAug 18 07:07
UA 2467Boeing 737MAX 9 Passenger
1h 23m layover
IADAug 18 08:30
→PHLAug 18 09:43
UA 4015Embraer 175
7h 54m·1 stop
$461 USDSEAAug 17 07:00
→ORDAug 17 13:15
UA 2618Airbus A321neo
1h 15m layover
ORDAug 17 14:30
→PHLAug 17 17:54
UA 2430Boeing 737MAX 8 Passenger
9h 14m·1 stop
$588 USDSEAAug 17 19:35
→SFOAug 17 21:57
UA 656Boeing 737MAX 9 Passenger
1h 23m layover
SFOAug 17 23:20
→PHLAug 18 07:49
UA 2854Boeing 737MAX 8 Passenger
7h 45m·1 stop
$589 USDSEAAug 17 08:40
→DENAug 17 12:32
UA 1505Boeing 737
1h 13m layover
DENAug 17 13:45
→PHLAug 17 19:25
UA 2787Boeing 737
8h 1m·1 stop
$589 USDSEAAug 17 12:44
→DENAug 17 16:35
UA 2832Airbus A321neo
1h 26m layover
DENAug 17 18:01
→PHLAug 17 23:45
UA 1510Boeing 737