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Cheap flights from Moncton to London from £345

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Moncton to London departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Moncton to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
06:35 - 06:55YQM  Moncton Intl-LHR London Heathrow
20h 20m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl
United Airlines Logo
08:00 - 21:38LHR  London Heathrow-YQM Moncton Intl
17h 38m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
£602United Airlines
Thu, 24 Sep - Mon, 28 Sep
United Airlines Logo
06:35 - 06:55YQM  Moncton Intl-LHR London Heathrow
20h 20m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl
United Airlines Logo
08:00 - 21:38LHR  London Heathrow-YQM Moncton Intl
17h 38m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
£602United Airlines
Thu, 24 Sep - Mon, 28 Sep
United Airlines Logo
06:35 - 06:45YQM  Moncton Intl-LHR London Heathrow
20h 10m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
United Airlines Logo
07:45 - 21:38LHR  London Heathrow-YQM Moncton Intl
17h 53m2 stops Newark Montreal Pierre Elliott Trudeau Intl
£603United Airlines
Thu, 10 Sep - Tue, 15 Sep
United Airlines Logo
06:35 - 06:55YQM  Moncton Intl-LHR London Heathrow
20h 20m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl
United Airlines Logo
12:00 - 10:30LHR  London Heathrow-YQM Moncton Intl
26h 30m2 stops Newark Montreal Pierre Elliott Trudeau Intl
£604United Airlines
Sat, 10 Oct - Wed, 14 Oct
United Airlines Logo
05:25 - 09:20YQM  Moncton Intl-LHR London Heathrow
23h 55m2 stops Toronto Pearson Intl Newark
United Airlines Logo
10:25 - 21:38LHR  London Heathrow-YQM Moncton Intl
15h 13m2 stops Newark Montreal Pierre Elliott Trudeau Intl
£605United Airlines
Tue, 8 Sep - Tue, 6 Oct
SWISS Logo
11:15 - 06:55YQM  Moncton Intl-LHR London Heathrow
15h 40m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl
SWISS Logo
18:00 - 21:38LHR  London Heathrow-YQM Moncton Intl
31h 38m2 stops Newark Montreal Pierre Elliott Trudeau Intl
£640SWISS
Sat, 5 Sep - Sat, 12 Sep
Multiple Airlines Logo
06:15 - 06:30YQM  Moncton Intl-LHR London Heathrow
20h 15m2 stops Toronto Island Ottawa
Multiple Airlines Logo
14:05 - 16:33LHR  London Heathrow-YQM Moncton Intl
30h 28m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Island Ottawa
£678Multiple Airlines
Thu, 10 Sep - Tue, 15 Sep
Multiple Airlines Logo
07:10 - 09:20YQM  Moncton Intl-LHR London Heathrow
23h 10m1 stop Ottawa
Multiple Airlines Logo
09:00 - 18:39LHR  London Heathrow-YQM Moncton Intl
13h 39m2 stops Halifax Intl Ottawa
£679Multiple Airlines
Thu, 29 Oct - Tue, 3 Nov
Lufthansa Logo
06:35 - 05:55YQM  Moncton Intl-LHR London Heathrow
19h 20m2 stops Montreal Pierre Elliott Trudeau Intl Newark
Lufthansa Logo
14:05 - 21:38LHR  London Heathrow-YQM Moncton Intl
11h 33m1 stop Montreal Pierre Elliott Trudeau Intl
£680Lufthansa
Thu, 10 Sep - Tue, 15 Sep
Air Canada Logo
07:10 - 09:20YQM  Moncton Intl-LHR London Heathrow
23h 10m1 stop Ottawa
Air Canada Logo
12:05 - 10:42LHR  London Heathrow-YQM Moncton Intl
50h 37m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
£682Air Canada
Thu, 29 Oct - Tue, 3 Nov

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Lufthansa flights from Moncton to London

Our best Lufthansa deals on Moncton to London flight tickets
Lufthansa
10 Sept
YQM06:35Moncton Intl
19h 20m
2 stops
LHR05:55London Heathrow
15 Sept
LHR14:05London Heathrow
11h 33m
1 stop
YQM21:38Moncton Intl
£680
Lufthansa
5 Sept
YQM06:35Moncton Intl
20h 20m
2 stops
LHR06:55London Heathrow
12 Sept
LHR14:05London Heathrow
11h 33m
1 stop
YQM21:38Moncton Intl
£692
Lufthansa
5 Sept
YQM07:10Moncton Intl
21h 25m
1 stop
LHR08:35London Heathrow
12 Sept
LHR14:05London Heathrow
11h 33m
1 stop
YQM21:38Moncton Intl
£734

United Airlines flights from Moncton to London

Our best United Airlines deals on Moncton to London flight tickets
United Airlines
24 Sept
YQM06:35Moncton Intl
20h 20m
2 stops
LHR06:55London Heathrow
28 Sept
LHR08:00London Heathrow
17h 38m
2 stops
YQM21:38Moncton Intl
£602
United Airlines
24 Sept
YQM06:35Moncton Intl
20h 20m
2 stops
LHR06:55London Heathrow
28 Sept
LHR08:00London Heathrow
17h 38m
2 stops
YQM21:38Moncton Intl
£602
United Airlines
10 Sept
YQM06:35Moncton Intl
20h 10m
2 stops
LHR06:45London Heathrow
15 Sept
LHR07:45London Heathrow
17h 53m
2 stops
YQM21:38Moncton Intl
£603

momondo Fare Finder

 
Customise your flight search to find flights from Moncton to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 6 August 2026.
Use the filters below to find and compare flights from Moncton to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Thu 24/9

06:35-06:55

2 stops20h 20m

London Heathrow

Mon 28/9

08:00-21:38

2 stops17h 38m

£602

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Thu 24/9

06:35-06:55

2 stops20h 20m

London Heathrow

Mon 28/9

08:00-21:38

2 stops17h 38m

£602

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Thu 10/9

06:35-06:45

2 stops20h 10m

London Heathrow

Tue 15/9

07:45-21:38

2 stops17h 53m

£603

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Sat 10/10

06:35-06:55

2 stops20h 20m

London Heathrow

Wed 14/10

12:00-10:30

2 stops26h 30m

£604

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Tue 8/9

05:25-09:20

2 stops23h 55m

London Heathrow

Tue 6/10

10:25-21:38

2 stops15h 13m

£605

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Sat 5/9

11:15-06:55

2 stops15h 40m

London Heathrow

Sat 12/9

18:00-21:38

2 stops31h 38m

£640

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Thu 10/9

06:15-06:30

2 stops20h 15m

London Heathrow

Tue 15/9

14:05-16:33

3 stops30h 28m

£678

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Thu 29/10

07:10-09:20

1 stop23h 10m

London Heathrow

Tue 3/11

09:00-18:39

2 stops13h 39m

£679
Fastest return journey

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Thu 10/9

06:35-05:55

2 stops19h 20m

London Heathrow

Tue 15/9

14:05-21:38

1 stop11h 33m

£680

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Thu 29/10

07:10-09:20

1 stop23h 10m

London Heathrow

Tue 3/11

12:05-10:42

2 stops50h 37m

£682

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Moncton to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Moncton and London?

Prices are currently low for flights on this route.

Typical prices usually range from £688 to £782.
The lowest price recently found on this route was £602.

What is the cheapest month to fly to London?

The cheapest month to fly to London from Moncton is in July. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Moncton averaging around £536.

When to book flights from Moncton to London

Are you open to changing your travel dates? Check out the ideal times to fly from Moncton to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Moncton to London (YQM to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Moncton to London

Fastest flight time

16h 25m

Direct flights

None
The fastest flight from Moncton to London takes 16h 25m
There are no direct flights from Moncton to London. There are no popular flight routes from Moncton to London.
Search flight deals

Frequently asked questions about flying from Moncton to London

  • How far is Moncton Intl to London by plane?

    The straight-line distance from Moncton Intl to London is 2867.9 mi. 16h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Moncton Intl Airport to London?

    Prices for flights from Moncton Intl Airport to London refresh daily.

  • How old do you have to be to fly from Moncton Intl Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Moncton Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Ilford
Hastings
Canterbury
Guildford
Chichester
Hayes
Bedford
Harlow
Colchester
Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Moncton to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Moncton to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Moncton to London with flexible booking policies on momondo?

Flights from Moncton to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Moncton to London?

Once all potential Moncton to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Moncton to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Moncton to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport