Cheap Flights from Philadelphia to Boston
Browse current best options from Philadelphia. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Philadelphia
RatePunk searches hundreds of travel sites at once for deals on flights to Boston
Prices updated 1 day ago
451 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Aug 17, 2026.)
Today’s best flight deals from Philadelphia to Boston
Explore current cheapest deals departing from Philadelphia to Boston
2026-08-31 – 2026-09-05
PHL - Boston
69% AI deal score
$232
$161
Round trip
2026-09-06 – 2026-09-12
PHL - Boston
45% AI deal score
$194
$162
Round trip
2026-08-31 – 2026-09-03
PHL - Boston
70% AI deal score
$247
$163
Round trip
2026-09-02 – 2026-09-05
PHL - Boston
47% AI deal score
$218
$166
Round trip
2026-09-09 – 2026-09-11
PHL - Boston
46% AI deal score
$206
$166
Round trip
2026-09-02 – 2026-09-12
PHL - Boston
41% AI deal score
$177
$166
Round trip
2026-09-19 – 2026-09-23
PHL - Boston
45% AI deal score
$203
$166
Round trip
2026-08-31 – 2026-09-02
PHL - Boston
69% AI deal score
$248
$169
Round trip
2026-08-31 – 2026-09-01
PHL - Boston
69% AI deal score
$248
$169
Round trip
2026-09-06 – 2026-09-16
PHL - Boston
40% AI deal score
$175
$169
Round trip
