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Cheap flights from Moncton to London from £335

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YQM — LON
27 May — 3 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Moncton to London

Enter your travel dates to find the best prices.

Cheapest flights from Moncton to London
Explore the most affordable flight options available from Moncton to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 April 2026.

Mon 8/607:10
YQM
-
LHR
1 stop19h 20m
Air Canada
Fri 12/606:00
LHR
-
YQM
2 stops32h 30m
Air Canada
Deal found 22/4£558
Sun 7/607:10
YQM
-
LHR
2 stops19h 20m
Air Canada
Thu 11/608:45
LHR
-
YQM
2 stops18h 00m
Air Canada
Deal found 24/4£559
Mon 8/607:10
YQM
-
LHR
1 stop19h 20m
Multiple Airlines
Mon 15/614:05
LHR
-
YQM
1 stop12h 40m
Multiple Airlines
Deal found 24/4£563
Mon 14/907:10
YQM
-
LHR
1 stop19h 20m
Air Canada
Mon 28/906:50
LHR
-
YQM
2 stops14h 33m
Air Canada
Deal found 24/4£565
Mon 21/907:10
YQM
-
LHR
1 stop19h 20m
Air Canada
Mon 5/1009:30
LHR
-
YQM
1 stop13h 08m
Air Canada
Deal found 22/4£567
Sat 12/907:10
YQM
-
LHR
1 stop21h 25m
Air Canada
Thu 1/1009:30
LHR
-
YQM
1 stop13h 08m
Air Canada
Deal found 23/4£567
Wed 3/607:10
YQM
-
LHR
1 stop21h 25m
Air Canada
Wed 10/614:05
LHR
-
YQM
1 stop12h 40m
Air Canada
Deal found 24/4£569
Mon 1/611:05
YQM
-
LCY
2 stops17h 35m
Lufthansa
Mon 15/609:15
LCY
-
YQM
2 stops17h 30m
Lufthansa
Deal found 23/4£1,033
Mon 14/911:10
YQM
-
LCY
2 stops17h 30m
Multiple Airlines
Mon 28/908:00
LCY
-
YQM
2 stops17h 38m
Multiple Airlines
Deal found 23/4£1,328
Wed 26/811:05
YQM
-
LCY
2 stops17h 35m
Multiple Airlines
Sat 19/1208:40
LCY
-
YQM
2 stops16h 48m
Multiple Airlines
Deal found 25/4£1,402
Mon 14/911:10
YQM
-
LCY
2 stops17h 30m
Lufthansa
Mon 28/909:15
LCY
-
YQM
2 stops16h 23m
Lufthansa
Deal found 24/4£1,594

Find flight deals from Moncton to London

Discover tips and strategies to find the most affordable flight options for your journey from Moncton (YQM) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 April 2026.

Round-trip from

£558

One-way from

£335

Popular in

December

Cheapest in

October

Average price

£636
Air Canada
  • Air Canada
  • 8/6-12/6
  • 3 total stops
  • 51h 50m total
  • Moncton to London
Search Deals
11/6
  • 11/6
  • 3 total stops
  • 40h 10m total
  • Moncton to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 27 April 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 - LHR

YQMLHR

Moncton Intl

Mon 8/6

07:10-06:30

1 stop19h 20m

London Heathrow

Fri 12/6

06:00-10:30

2 stops32h 30m

£558

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Sun 7/6

07:10-06:30

2 stops19h 20m

London Heathrow

Thu 11/6

08:45-22:45

2 stops18h 00m

£559
Fastest return journey

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Mon 21/9

07:10-06:30

1 stop19h 20m

London Heathrow

Mon 5/10

09:30-18:38

1 stop13h 08m

£567

MonctonLondon

YQM - LCY

YQMLCY

Moncton Intl

Mon 1/6

11:05-08:40

2 stops17h 35m

London City

Mon 15/6

09:15-22:45

2 stops17h 30m

£1,033

MonctonLondon

YQM - LCY

YQMLCY

Moncton Intl

Mon 14/9

11:10-08:40

2 stops17h 30m

London City

Mon 28/9

08:00-21:38

2 stops17h 38m

£1,328

MonctonLondon

YQM - LCY

YQMLCY

Moncton Intl

Wed 26/8

11:05-08:40

2 stops17h 35m

London City

Sat 19/12

08:40-21:28

2 stops16h 48m

£1,402

MonctonLondon

YQM - LCY

YQMLCY

Moncton Intl

Mon 14/9

11:10-08:40

2 stops17h 30m

London City

Mon 28/9

09:15-21:38

2 stops16h 23m

£1,594
Cheapest one-way

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Mon 8/6

11:55-18:55

3 stops27h 00m

£356

MonctonLondon

YQM - LCY

YQMLCY

Moncton Intl

Mon 8/6

13:00-10:20

3 stops41h 20m

£400

MonctonLondon

YQM - LCY

YQMLCY

Moncton Intl

Thu 11/6

11:55-18:20

3 stops26h 25m

£434

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Moncton to London

Have a flexible travel schedule? Discover the best time to fly to London from Moncton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Moncton to London

What is the cheapest month to book a flight from Moncton to London?

Currently, September is the cheapest month in which you can book a flight from Moncton to London (average of £484). Flying from Moncton to London in August is currently the most expensive (average of £620). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Moncton to London?

Related info for your journey

Find useful and relevant information for your journey from Moncton to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Moncton to London?

    Moncton Intl (YQM), located 5.5 mi from the city center, is the airport you fly out of when you book flights from Moncton to London. 0 airlines have flights from Moncton Intl to London on a regular basis. Booking flights from Moncton Intl to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

  • How long is the flight from Moncton to London?

    Air Canada and Lufthansa can get you from Moncton to London in just under 17h 35m. Your travel time can differ by up to 1h 45m. There are 2870 mi between Moncton and London. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Moncton to London that include hotel bookings?

    Yes. In addition to deals on Moncton to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Moncton to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Moncton to London.

  • Can I find deals for business class flights from Moncton to London?

    Yes. Cheapflights offers flight deals from Moncton to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Moncton to London?

    Currently, September is the cheapest month in which you can book a flight from Moncton to London (average of £484). Flying from Moncton to London in August is currently the most expensive (average of £620). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Moncton to London

See prices for flight routes from nearby airports that may be better suited for you.
Moncton to Heathrow flights
Moncton to London City flights
Fredericton to Heathrow flights
Moncton to Birmingham flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Moncton to London?

Cheapflights helps you search for flights from Moncton to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Moncton to London?

Cheapflights simply makes it quick and affordable to book flights from Moncton to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Moncton to London with no change fees?

Certainly. Search results for flights to London from Moncton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Moncton to London become cheaper?

Yes! Start tracking prices for Moncton to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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