What is the cheapest month to fly from Montreal to London?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Montreal (YUL) to London (LHR), with fares starting from $292.

What is the lowest current fare from YUL to LHR?

The lowest currently-listed fare from Montreal (YUL) to London (LHR) is $292 on 2026-08-11.

How long is the flight from Montreal to London?

Direct flights from YUL to LHR cover approximately 5,216 km (3,241 miles), with an estimated flight time of 6h 8m. Operating airlines: AC, BA.

Cheap flights from Montreal to London

Cheapest current fares: $292 in August 2026, 5,216 km direct flight in ~6h 8m.

Last updated July 27, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Montreal (YUL) to London (LHR). Refreshed daily.

Montreal (YUL) → London (LHR)

August 2026 $292
September 2026 $396

Frequently asked questions

What is the cheapest month to fly from Montreal to London?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Montreal (YUL) to London (LHR), with fares starting from $292.
What is the lowest current fare from YUL to LHR?

The lowest currently-listed fare from Montreal (YUL) to London (LHR) is $292 on 2026-08-11.
How long is the flight from Montreal to London?

Direct flights from YUL to LHR cover approximately 5,216 km (3,241 miles), with an estimated flight time of 6h 8m. Operating airlines: AC, BA.

Related guides for this route

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