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Cheap flights from Moncton to London from £345

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
YQM — LON
9 Sep — 16 Sep1
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 10 August 2026.

Thu 29/1006:00 -
2 stops25h 25m
Tue 3/1118:00 -
2 stops44h 42m
Deal found 5/8£600
Thu 24/906:35 -
2 stops20h 20m
Mon 28/908:00 -
2 stops17h 38m
Deal found 5/8£601
Sat 10/1006:35 -
2 stops20h 20m
Wed 14/1012:00 -
2 stops26h 30m
Deal found 6/8£602
Fri 18/906:35 -
2 stops20h 20m
Sun 11/1012:15 -
2 stops26h 15m
Deal found 8/8£605
Mon 12/1018:15 -
2 stops33h 00m
Thu 22/1011:05 -
2 stops51h 25m
Deal found 9/8£608
Sat 5/911:15 -
2 stops15h 40m
Sat 12/918:00 -
2 stops31h 38m
Deal found 6/8£638
Thu 29/1007:10 -
1 stop23h 10m
Tue 3/1109:00 -
2 stops13h 39m
Deal found 5/8£677
Thu 29/1007:10 -
1 stop23h 10m
Tue 3/1112:05 -
2 stops50h 37m
Deal found 6/8£680
Thu 24/907:10 -
1 stop19h 20m
Mon 28/908:40 -
2 stops16h 58m
Deal found 5/8£682
Sat 10/1007:10 -
1 stop21h 25m
Wed 14/1008:40 -
2 stops19h 23m
Deal found 6/8£685
Thu 27/811:05 -
2 stops17h 35m
Mon 7/918:30 -
2 stops31h 08m
Deal found 9/8£1,144
Mon 31/811:05 -
2 stops26h 50m
Tue 15/909:15 -
2 stops16h 23m
Deal found 6/8£1,230

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 10 August 2026.

Round-trip from

£600

One-way from

£345

Popular in

December

Cheapest in

February

Average price

£778
United Airlines
  • United Airlines
  • 29/10-3/11
  • 4 total stops
  • 70h 07m total
  • Moncton to London
Search Deals
20/9
  • 20/9
  • 3 total stops
  • 28h 00m total
  • Moncton to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£33 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 10 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 29/10

06:00-10:25

2 stops25h 25m

London Heathrow

Tue 3/11

18:00-10:42

2 stops44h 42m

£600

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

£601

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

£602

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Fri 18/9

06:35-06:55

2 stops20h 20m

London Heathrow

Sun 11/10

12:15-10:30

2 stops26h 15m

£605

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Mon 12/10

18:15-07:15

2 stops33h 00m

London Heathrow

Thu 22/10

11:05-10:30

2 stops51h 25m

£608
Fastest return journey

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Thu 24/9

07:10-06:30

1 stop19h 20m

London Heathrow

Mon 28/9

08:40-21:38

2 stops16h 58m

£682

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Sat 10/10

07:10-08:35

1 stop21h 25m

London Heathrow

Wed 14/10

08:40-00:03

2 stops19h 23m

£685

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Thu 29/10

11:35-07:10

1 stop16h 35m

London Heathrow

Tue 3/11

06:50-22:34

2 stops19h 44m

£687

MonctonLondon

YQM Moncton Intl - LCY London City

YQMLCY

Moncton Intl

Thu 27/8

11:05-08:40

2 stops17h 35m

London City

Mon 7/9

18:30-21:38

2 stops31h 08m

£1,144

MonctonLondon

YQM Moncton Intl - LCY London City

YQMLCY

Moncton Intl

Mon 31/8

11:05-17:55

2 stops26h 50m

London City

Tue 15/9

09:15-21:38

2 stops16h 23m

£1,230

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 21 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

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

Airfare is below average for this route at the moment.
Moncton to London flights typically cost between £686 and £782 in October.
The cheapest return price found within the last 5 days was £600 on United Airlines (29 Oct–3 Nov).

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?

    United Airlines and Lufthansa can get you from Moncton to London in just under 17h 35m. Your travel time can differ by up to 7h 50m. 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.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

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
Fredericton to Heathrow flights
Moncton to Birmingham flights
Moncton to London City 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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