Cheap Flights from Boston to Madrid
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Deals from
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RatePunk searches hundreds of travel sites at once for deals on flights to Madrid
Prices updated 7 days ago
483 airlines compared
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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 Madrid
Explore current cheapest deals departing from Boston to Madrid
2026-12-06 – 2026-12-13
BOS - Madrid
90% AI deal score
$576
$412
Round trip
2026-12-03 – 2026-12-06
BOS - Madrid
91% AI deal score
$599
$412
Round trip
2027-01-04 – 2027-01-15
BOS - Madrid
83% AI deal score
$493
$412
Round trip
2027-01-11 – 2027-01-18
BOS - Madrid
84% AI deal score
$513
$412
Round trip
2027-01-16 – 2027-01-31
BOS - Madrid
83% AI deal score
$501
$412
Round trip
2027-02-14 – 2027-02-21
BOS - Madrid
79% AI deal score
$437
$412
Round trip
2027-03-03 – 2027-03-12
BOS - Madrid
82% AI deal score
$473
$412
Round trip
2027-02-17 – 2027-02-25
BOS - Madrid
79% AI deal score
$438
$413
Round trip
2027-02-19 – 2027-02-27
BOS - Madrid
79% AI deal score
$440
$413
Round trip
2026-11-09 – 2026-12-07
BOS - Madrid
89% AI deal score
$537
$413
Round trip