Cheap Flights from Boston to Portland
Browse current best options from Boston. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Boston
RatePunk searches hundreds of travel sites at once for deals on flights to Portland
Prices updated 7 days ago
483 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)
Today’s best flight deals from Boston to Portland
Explore current cheapest deals departing from Boston to Portland
2026-11-17 – 2026-12-16
BOS - Portland
73% AI deal score
$245
$299
Round trip
2026-11-18 – 2026-12-16
BOS - Portland
73% AI deal score
$246
$299
Round trip
2026-11-19 – 2026-12-16
BOS - Portland
73% AI deal score
$246
$300
Round trip
2026-11-19 – 2026-12-02
BOS - Portland
73% AI deal score
$258
$304
Round trip
2026-11-17 – 2026-12-10
BOS - Portland
73% AI deal score
$246
$304
Round trip
2026-11-19 – 2026-12-12
BOS - Portland
73% AI deal score
$247
$304
Round trip
2026-11-18 – 2026-12-05
BOS - Portland
73% AI deal score
$249
$304
Round trip
2026-11-18 – 2026-12-10
BOS - Portland
73% AI deal score
$246
$304
Round trip
2026-11-17 – 2026-12-12
BOS - Portland
73% AI deal score
$245
$305
Round trip
2026-11-18 – 2026-12-12
BOS - Portland
73% AI deal score
$246
$305
Round trip