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Cheap flights from Moncton to London Heathrow Airport 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
YQM — LHR
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Find 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 21 October 2025.

Fri 14/1105:10YQM - LHR
2 stops24h 10mAir Canada
Mon 17/1113:45LHR - YQM
2 stops49h 03mAir Canada
Deal found 20/10£527
Sun 7/1216:40YQM - LHR
2 stops23h 55mAir Canada
Sun 14/1213:25LHR - YQM
2 stops35h 06mAir Canada
Deal found 21/10£535
Sat 25/1012:25YQM - LHR
1 stop19h 55mAir Canada
Sun 7/1213:25LHR - YQM
1 stop25h 26mAir Canada
Deal found 20/10£540
Wed 29/1006:30YQM - LHR
2 stops25h 45mUnited Airlines
Thu 20/1107:40LHR - YQM
2 stops31h 08mUnited Airlines
Deal found 20/10£574
Sun 7/1216:40YQM - LHR
1 stop10h 30mLufthansa
Sun 14/1213:25LHR - YQM
1 stop30h 32mLufthansa
Deal found 21/10£718
Sun 7/1217:55YQM - LHR
3 stops33h 15mMultiple Airlines
Sun 14/1206:00LHR - YQM
3 stops35h 00mMultiple Airlines
Deal found 21/10£767

Cheap 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 21 October 2025.

Round-trip from

£527

One-way from

£335

Popular in

December

Cheapest in

February

Average price

£673
Air Canada
  • Air Canada
  • 14/11-17/11
  • 4 total stops
  • 73h 13m total
  • Moncton to London
Search Deals
4/12
  • 4/12
  • 2 total stops
  • 15h 35m total
  • Moncton to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£156 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 21 October 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

Fri 14/11

05:10-09:20

2 stops24h 10m

London Heathrow

Mon 17/11

13:45-10:48

2 stops49h 03m

£527

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Sun 7/12

16:40-07:10

1 stop10h 30m

London Heathrow

Sun 14/12

13:25-20:31

2 stops35h 06m

£535

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Thu 2/4

05:50-06:30

1 stop20h 40m

London Heathrow

Mon 6/4

09:30-20:40

2 stops15h 10m

£551

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Thu 4/12

13:40-09:15

2 stops15h 35m

£335

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Sun 2/11

05:30-11:50

3 stops26h 20m

£504

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Sun 2/11

05:30-05:30

2 stops44h 00m

£569

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Wed 29/10

05:10-09:10

2 stops25h 00m

£590

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Thu 4/12

11:35-07:10

1 stop15h 35m

£598

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Wed 29/10

05:10-11:20

1 stop27h 10m

£624

MonctonLondon

YQM - LHR

YQMLHR

Moncton Intl

Wed 29/10

11:35-13:00

2 stops22h 25m

£996

Flights are sorted by cheapest return flights first.

Deals found on 20/10

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 £408). Flying from Moncton to London Heathrow Airport in December is currently the most expensive (average of £690). 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 24h 10m. Air Canada provides one of the quickest options available for as low as £527. 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 £408). Flying from Moncton to London Heathrow Airport in December is currently the most expensive (average of £690). 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
Slough
Gatwick
Hounslow
Northampton
Luton
Wembley
Ilford
Deal
Hayes
Colchester
Watford
Crawley
Winchester
Swindon
Chichester
Romford
Ipswich
Bedford

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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.
Moncton to London City flights
Fredericton to Heathrow flights

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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