Cheap flights from Seattle to Philadelphia for only $125 roundtrip with United Airlines.

Also works in reverse.

 

DEPART:
Seattle, USA

 

ARRIVE:
Philadelphia, USA

 

RETURN:
Seattle, USA

 

DATES:
Availability from January to February 2022

Example dates:

 

Seattle – Philadelphia
11th-15th Jan
11th-18th Jan
12th-15th Jan
12th-19th Jan
18th-22nd Jan
18th-25th Jan
19th-22nd Jan
19th-26th Jan
25th-29th Jan
25th Jan – 1st Feb
26th-29th Jan
26th Jan – 2nd Feb
29th Jan – 1st Feb
29th Jan – 2nd Feb
29th Jan – 5th Feb
1st-5th Feb
1st-8th Feb
2nd-5th Feb
2nd-9th Feb
8th-12th Feb
12th-16th Feb

 

Philadelphia – Seattle
11th-18th Jan
12th-19th Jan
18th-25th Jan
19th-26th Jan
22nd-25th Jan
22nd-26th Jan
22nd-29th Jan
25th-29th Jan
25th Jan – 1st Feb
26th-29th Jan
26th Jan – 2nd Feb
29th Jan – 1st Feb
29th Jan – 2nd Feb
1st-8th Feb
8th-12th Feb

and more…

 

STOPS:
Chicago

 

AIRLINES:
United Airlines

 

 

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