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Cheap flights from Montreal to London

One-way from $297, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Tue, Nov 24Any priceWed, Nov 25Any priceThu, Nov 26$329Fri, Nov 27$297Sat, Nov 28Any priceSun, Nov 29Any priceMon, Nov 30Any priceTue, Dec 1Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$297
TAP Air Portugal, flight TP 254Found 5 days ago, 1 adult
Check live price
9:45pmMontrealFri, Nov 27
Travel time 9h 45m, 1 stopYULLHR
12:30pmLondonSat, Nov 28
$302
TAP Air Portugal, flight TP 254Found 7 days ago, 1 adult
Check live price
9:45pmMontrealWed, Nov 18
Travel time 9h 45m, 1 stopYULLHR
12:30pmLondonThu, Nov 19
$305
TAP Air Portugal, flight TP 254Found today, 1 adult
Check live price
9:45pmMontrealFri, Mar 5
Travel time 9h 40m, 1 stopYULLGW
12:25pmLondonSat, Mar 6
$325
Air Transat, flight TS 680Found yesterday, 1 adult
Check live price
8:15pmMontrealMon, Nov 9
Travel time 9h 20m, 1 stopYULSTN
10:35amLondonTue, Nov 10
$329
Air Transat, flight TS 252Found yesterday, 1 adult
Check live price
7:35pmMontrealThu, Nov 26
Travel time 10h, 1 stopYULSTN
10:35amLondonFri, Nov 27

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United KingdomTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in London, booked ahead at a fixed price.
    See options
  • Things to do in LondonPopular tours from $51.69 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for United Kingdom from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed 3+ hours or cancelled for a reason within the airline’s control? Up to CA$1,000 per person under Canada’s rules.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234567891011121314151617181920212223242526–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2–3–4–5–6$3837–8$3489$32510–11–12–13–14–15–16–17–18$30219–20–21–22–23–24–25–26$32927$29728–29–30–

December 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22–23–24–25262728293031
$302 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 27, $297.

Lowest fares by month

In the fares found this week, November has the lowest: from $297 one-way, against $410 in June 2027. Pick a month to see its cheapest date.

  1. Octno fares yet
  2. Nov$297
  3. Decno fares yet
  4. Jan$379
  5. Febno fares yet
  6. Mar$305
  7. Aprno fares yet
  8. Mayno fares yet
  9. Jun$410
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
$0$200$400$600Oct$297NovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October—
November$297Fri, Nov 271 stop
December—
January 2027$379Mon, Jan 111 stop
February 2027—
March 2027$305Fri, Mar 51 stop
April 2027—
May 2027—
June 2027$410Tue, Jun 12 stops
July 2027—
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in London. Average daily high and low and monthly precipitation.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare–$297–$379–$305––$410–––
High °C16°12°9°8°9°12°15°18°22°24°23°20°
Low °C9°5°3°3°3°4°6°9°12°14°14°12°
Precipitation mm656757594539424647465350

Source: London on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

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

In the fares found this week, November has the lowest: from $297 one-way, against $410 in June 2027.

What is the weather in London in November?

In November, the cheapest month to fly, the average daily high in London is 12 °C and the low 5 °C.

Are there direct flights from Montreal to London?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

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