Philadelphia to Boston in September 2026

Dated one-way fares from Philadelphia to Boston in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $120

Highest this month $161

Sample fare $84

Airports PHL–BOS

Ad. Ticket links are affiliate ads. We may earn a commission if you book. Advertising disclosure

September 2026 price calendar

From $120 · up to $161

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 $136 2 $120 3 $140 4 $140 5 $140 6 $140 7 $161

Boston BOS

$84

Aug 26, 8:05pm · 1h 40m · 0 stops

PHL → BOS · American Airlines

Boston BOS

$90

Aug 27, 7:20am · 1h 26m · 0 stops

PHL → BOS · American Airlines

Boston BOS

$90

Aug 29, 10:41am · 1h 33m · 0 stops

PHL → BOS · American Airlines

Boston BOS

$90

Aug 28, 8:36am · 1h 36m · 0 stops

PHL → BOS · American Airlines

Boston BOS

$114

Nov 01, 6:00am · 1h 24m · 0 stops

PHL → BOS · jetBlue

This page is only September 2026 on the Philadelphia to Boston route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book Philadelphia to Boston in September 2026.