- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap Flights from Boston to Princeton (BOS-EWR)
Prices were available within the past 7 days and start at $23 for one-way flights and $45 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, Jun 4 - Wed, Jun 5
BOS
Boston
EWR
Newark
$45 Roundtrip, just found
$45
Roundtrip
just found
Tue, Jun 4 - Thu, Jun 6
BOS
Boston
EWR
Newark
$54 Roundtrip, just found
$54
Roundtrip
just found
Wed, Jun 26 - Mon, Jul 1
BOS
Boston
EWR
Newark
$137 Roundtrip, just found
$137
Roundtrip
just found
Sat, Jun 1 - Tue, Jun 4
BOS
Boston
EWR
Newark
$137 Roundtrip, just found
$137
Roundtrip
just found
Fri, Jun 28 - Mon, Jul 1
MHT
Manchester
EWR
Newark
$159 Roundtrip, found 1 hour ago
$159
Roundtrip
found 1 hour ago
Sat, Oct 12 - Sat, Oct 19
PVD
Providence
EWR
Newark
$159 Roundtrip, just found
$159
Roundtrip
just found
Nearby Cities
*Available to One Key members.