Cheap Flights from Montreal to London
Browse current best options from Montreal. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Montreal
RatePunk searches hundreds of travel sites at once for deals on flights to London
Prices updated 7 days ago
482 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 Montreal to London
Explore current cheapest deals departing from Montreal to London
2026-12-05 – 2026-12-15
YMQ - London
91% AI deal score
CA$1,086
CA$699
Round trip
2027-01-13 – 2027-01-22
YMQ - London
76% AI deal score
CA$797
CA$743
Round trip
2027-01-22 – 2027-01-31
YMQ - London
74% AI deal score
CA$794
CA$748
Round trip
2026-12-06 – 2026-12-14
YMQ - London
89% AI deal score
CA$1,068
CA$750
Round trip
2027-01-22 – 2027-01-29
YMQ - London
77% AI deal score
CA$830
CA$756
Round trip
2026-12-01 – 2026-12-15
YMQ - London
88% AI deal score
CA$1,027
CA$758
Round trip
2027-01-24 – 2027-01-31
YMQ - London
77% AI deal score
CA$834
CA$762
Round trip
2027-02-07 – 2027-02-21
YMQ - London
75% AI deal score
CA$849
CA$788
Round trip
2026-11-23 – 2026-11-30
YMQ - London
80% AI deal score
CA$910
CA$797
Round trip
2027-02-03 – 2027-02-07
YMQ - London
78% AI deal score
CA$918
CA$807
Round trip