Portland (PWM) to Boston (BOS) flight deal in economy from $287

Monday, September 7th, 2026

5 round-trip options

Returning
Sat, Sep 12, 20265 Day Trip
$446 USD
Returning
Mon, Sep 14, 20267 Day Trip
$643 USD
Returning
Tue, Sep 15, 20268 Day Trip
$614 USD
Returning
Fri, Sep 18, 202611 Day Trip
$1,165 USD
Returning
Sat, Sep 19, 202612 Day Trip
$1,075 USD