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 agoJuly 2026
Mon
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Sun
Limited Availability
11% of dates checked are available within 10% of the lowest price
Monday, July 6th, 2026
Outbound Flights
11h 54m·1 stop
$308 USD
SEAJul 6 10:29
→SFOJul 6 12:47
UA 1482Airbus A320
3h 55m layover
SFOJul 6 16:42
→PHLJul 7 01:23
UA 2619Boeing 737MAX 9 Passenger
8h 53m·1 stop
$315 USDSEAJul 6 13:30
→SFOJul 6 15:48
UA 737Airbus A320
54m layover
SFOJul 6 16:42
→PHLJul 7 01:23
UA 2619Boeing 737MAX 9 Passenger
8h 2m·1 stop
$321 USDSEAJul 6 13:55
→ORDJul 6 20:21
UA 2101Boeing 737
1h 24m layover
ORDJul 6 21:45
→PHLJul 7 00:57
UA 1744Boeing 737MAX 8 Passenger
14h 15m·1 stop
$321 USDSEAJul 6 17:15
→ORDJul 6 23:22
UA 1503Boeing 737MAX 9 Passenger
7h 53m layover·Overnight
ORDJul 7 07:15
→PHLJul 7 10:30
UA 2038Boeing 737
8h 19m·1 stop
$323 USDSEAJul 6 23:11
→ORDJul 7 05:18
UA 747Boeing 737
1h 57m layover
ORDJul 7 07:15
→PHLJul 7 10:30
UA 2038Boeing 737
9h 45m·1 stop
$393 USDSEAJul 6 19:05
→SFOJul 6 21:21
UA 2241Boeing 737
1h 59m layover
SFOJul 6 23:20
→PHLJul 7 07:50
UA 2854Boeing 737MAX 8 Passenger
7h 52m·1 stop
$400 USDSEAJul 6 07:00
→ORDJul 6 13:15
UA 2618Airbus A321neo
1h 15m layover
ORDJul 6 14:30
→PHLJul 6 17:52
UA 2430Boeing 737
7h 25m·1 stop
$400 USDSEAJul 6 23:20
→IADJul 7 07:22
UA 264Boeing 737MAX 9 Passenger
1h 13m layover
IADJul 7 08:35
→PHLJul 7 09:45
UA 4015Embraer 175
10h 51m·1 stop
$439 USDSEAJul 6 15:40
→DENJul 6 19:29
UA 325Boeing 737
4h 30m layover
DENJul 6 23:59
→PHLJul 7 05:31
UA 1214Boeing 737MAX 8 Passenger
7h 27m·1 stop
$470 USDSEAJul 6 10:52
→ORDJul 6 17:05
UA 2835Airbus A321neo
54m layover
ORDJul 6 17:59
→PHLJul 6 21:19
UA 1776Boeing 737
7h 20m·1 stop
$491 USDSEAJul 6 13:00
→IADJul 6 21:06
UA 2131Boeing 737
1h 4m layover
IADJul 6 22:10
→PHLJul 6 23:20
UA 3502Embraer 175
7h 12m·1 stop
$593 USDSEAJul 6 05:00
→DENJul 6 08:43
UA 2601Airbus A321neo
52m layover
DENJul 6 09:35
→PHLJul 6 15:12
UA 1575Boeing 737