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Cheap flights from Montreal (YUL) to Boston (BOS)

YUL Montreal
BOS Boston
52
Flights
$347
Lowest
$485
Average
Oct 6, 2026 - Mar 26, 2027
Date Range
Close to its typical low Check live prices Alert me on this route

Round-trip Montreal to Boston currently starts at $347 CAD with taxes included, averaging $485 across 52 tracked fares departing Oct 6, 2026 to Mar 26, 2027.

YUL to BOS price history

Cheapest right now $347
Typical low $352
51-day range $287 to $377

Close to this route’s typical low ($352).

Aug 30, 2026 Typical low $352 Sep 29, 2026

↑ Trending up: 13.9% above the last 30-day average.

· FareSeeker tracking data: 52 fares monitored on this route by our own collector, refreshed several times daily.

The 5 cheapest fares right now

Dates Trip Airline Stops Price
Oct 27, 2026 → Oct 30, 2026 3 nights PD Porter Airlines 2 $347 CAD
Oct 27, 2026 → Oct 31, 2026 4 nights AC Air Canada Nonstop $377 CAD
Oct 19, 2026 → Oct 27, 2026 8 nights AC Air Canada Nonstop $377 CAD
Oct 29, 2026 → Oct 31, 2026 2 nights AC Air Canada Nonstop $377 CAD
Oct 24, 2026 → Oct 25, 2026 1 nights AC Air Canada Nonstop $377 CAD

All fares are round trip. Exact flight times show on the booking page.

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