Philadelphia to Lisbon, Portugal for only $380 roundtrip

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Cheap flights from Philadelphia to Lisbon, Portugal for only $380 roundtrip with Delta Air Lines.

DEPART:
Philadelphia, USA

ARRIVE:
Lisbon, Portugal

RETURN:
Philadelphia, USA

DATES:
Availability from November 2025 to March 2026 (excluding Christmas/New Year)

Example dates:
11th-18th Nov
12th-19th Nov
18th-25th Nov
26th Nov – 3rd Dec
2nd-9th Dec
3rd-10th Dec
9th-16th Dec
10th-17th Dec
24th Feb – 3rd Mar
25th Feb – 4th Mar
3rd-10th Mar
10th-17th Mar
11th-18th Mar
17th-24th Mar

and more…

STOPS:
Boston

AIRLINES:
Delta Air Lines