Cheap flights from Washington to Philadelphia
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One of the most important things that Penn planned in the early days of the colony was a city along the Delaware River that would act as a port and political center. He named the city Philadelphia which means “brotherly love” in Greek. The city’s name was representative of Penn’s Quaker background. Since he had suffered persecution because of his religion, he hoped to build a colony where people could worship freely. ... (read more in our Philadelphia History)
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Check our newest flight offers to Philadelphia:
- $199
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Philadelphia, PA (PHL) 02/12/2025 01:36 pm Philadelphia, PA (PHL) Seattle, WA (SEA) 02/23/2025 12:44 pm - $225
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Philadelphia, PA (PHL) 02/12/2025 01:36 pm Philadelphia, PA (PHL) Seattle, WA (SEA) 02/23/2025 05:41 pm - $242
Spirit Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Philadelphia, PA (PHL) 02/10/2025 05:45 am Philadelphia, PA (PHL) Seattle, WA (SEA) 02/25/2025 05:41 pm - $248 Spirit Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Philadelphia, PA (PHL) 02/02/2025 05:55 pm Philadelphia, PA (PHL) Seattle, WA (SEA) 02/11/2025 06:15 am - $318 Multiple Airlines
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Philadelphia, PA (PHL) 02/10/2025 05:45 am Philadelphia, PA (PHL) Seattle, WA (SEA) 02/25/2025 07:45 am
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