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Cheap flights from Moncton to London Heathrow Airport from £337

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YQM — LHR
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Moncton to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Moncton to Heathrow
Explore the most affordable flight options available from Moncton to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 December 2025.

Wed 3/1211:35YQM - LHR
2 stops30h 05mMultiple Airlines
Wed 10/1209:00LHR - YQM
2 stops34h 57mMultiple Airlines
Deal found 2/12£8,958

Find flight deals from Moncton to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Moncton (YQM) to Heathrow (LHR). 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 4 December 2025.

Round-trip from

£536

One-way from

£337

Popular in

December

Cheapest in

February

Average price

£1,305
Air Canada
  • Air Canada
  • 25/1-29/1
  • 3 total stops
  • 34h 18m total
  • Moncton to London
Search Deals
17/1
  • 17/1
  • 2 total stops
  • 17h 25m total
  • Moncton to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£105 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£43 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Moncton to Heathrow 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 4 December 2025.
Use the filters below to find and compare flights from Moncton to London Heathrow Airport that are best for you.

Fly from

Moncton

Fly to

Heathrow

Route

Depart

Return

Price

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Sun 25/1

11:35-07:10

1 stop15h 35m

London Heathrow

Thu 29/1

09:00-23:43

2 stops18h 43m

£536

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Mon 13/4

05:50-06:30

1 stop20h 40m

London Heathrow

Thu 28/5

06:50-17:14

2 stops14h 24m

£597

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Mon 13/4

05:50-06:30

1 stop20h 40m

London Heathrow

Tue 26/5

06:50-17:14

2 stops14h 24m

£597

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Tue 14/4

06:30-06:55

2 stops20h 25m

London Heathrow

Mon 1/6

16:40-10:28

2 stops21h 48m

£598

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Mon 13/4

06:30-10:40

2 stops24h 10m

London Heathrow

Wed 27/5

16:40-10:28

2 stops21h 48m

£598

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Tue 14/4

06:30-06:55

2 stops20h 25m

London Heathrow

Tue 26/5

16:40-21:28

2 stops32h 48m

£598

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Tue 14/4

06:30-06:55

2 stops20h 25m

London Heathrow

Wed 27/5

16:40-10:28

2 stops21h 48m

£598

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Mon 13/4

06:30-10:40

2 stops24h 10m

London Heathrow

Mon 1/6

16:40-10:28

2 stops21h 48m

£598

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Mon 13/4

06:30-10:40

2 stops24h 10m

London Heathrow

Tue 26/5

16:40-21:28

2 stops32h 48m

£598

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Mon 13/4

05:50-06:30

1 stop20h 40m

London Heathrow

Sat 30/5

14:10-20:40

2 stops34h 30m

£599

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 14 results
1
2

Best time to book a flight from Moncton to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, March is the cheapest month in which you can book a flight from Moncton to London Heathrow Airport (average of £412). Flying from Moncton to London Heathrow Airport in December is currently the most expensive (average of £697). 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 Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Moncton to Heathrow. 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 Heathrow?

    For a flight from Moncton to London Heathrow, you will be flying from Moncton Intl. Moncton Intl (YQM) is just 5.5 mi from the center of the city. Moncton Intl is the only Moncton airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Moncton Intl on a regular basis.

  • How long is the flight from Moncton to London Heathrow Airport?

    A quick flight from Moncton to London Heathrow Airport can take about 15h 35m. Air Canada provides one of the quickest options available for as low as £536. The distance between Moncton and London Heathrow Airport is about 2850 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Moncton to Heathrow 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 Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Moncton to London Heathrow Airport (average of £412). Flying from Moncton to London Heathrow Airport in December is currently the most expensive (average of £697). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Northampton
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Swindon
Romford
Bedford
Chichester

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Alternative routes for Moncton to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Moncton to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Moncton to Heathrow 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 Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Moncton to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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