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Cheap flights from Moncton to London Heathrow Airport from £327

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
YQM — LHR
14 Sep — 21 Sep1
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 15 August 2026.

Wed 9/906:35 -
2 stops19h 20m
Sun 13/908:00 -
2 stops30h 36m
Deal found 11/8£603
Sat 19/912:20 -
1 stop14h 15m
Fri 25/914:05 -
1 stop11h 33m
Deal found 12/8£677
Sun 20/906:35 -
1 stop19h 55m
Sat 26/909:30 -
1 stop16h 08m
Deal found 12/8£678
Sun 13/906:15 -
2 stops20h 15m
Tue 22/914:05 -
3 stops30h 28m
Deal found 12/8£682
Wed 9/907:10 -
1 stop21h 25m
Sun 13/908:45 -
2 stops16h 53m
Deal found 11/8£685
Sun 13/911:15 -
1 stop15h 15m
Tue 22/912:10 -
2 stops37h 28m
Deal found 13/8£687
Sun 13/911:15 -
1 stop15h 15m
Tue 22/912:00 -
2 stops16h 03m
Deal found 12/8£689
Thu 29/1007:10 -
2 stops21h 00m
Tue 3/1106:50 -
2 stops19h 44m
Deal found 11/8£690
Thu 29/1011:35 -
1 stop16h 35m
Tue 3/1106:50 -
2 stops19h 44m
Deal found 14/8£691

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 15 August 2026.

Round-trip from

£603

One-way from

£327

Popular in

December

Cheapest in

February

Average price

£776
United Airlines
  • United Airlines
  • 9/9-13/9
  • 4 total stops
  • 49h 56m total
  • Moncton to London
Search Deals
27/9
  • 27/9
  • 3 total stops
  • 24h 05m 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 (£15 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 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 15 August 2026.
Use the filters below to find and compare flights from Moncton to London Heathrow Airport 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

Sun 20/9

06:35-06:55

2 stops20h 20m

London Heathrow

Sat 26/9

15:20-10:30

2 stops23h 10m

£603

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Sun 27/9

06:35-06:45

2 stops20h 10m

London Heathrow

Sun 4/10

16:00-21:38

2 stops33h 38m

£603

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Wed 9/9

06:35-05:55

2 stops19h 20m

London Heathrow

Sun 13/9

08:00-10:36

2 stops30h 36m

£603
Fastest return journey

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Sat 19/9

06:35-09:20

2 stops22h 45m

London Heathrow

Fri 25/9

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

£603

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Sun 13/9

06:35-06:45

2 stops20h 10m

London Heathrow

Tue 22/9

12:15-10:30

2 stops26h 15m

£603

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

£686
Cheapest one-way

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Sun 27/9

11:55-16:00

3 stops24h 05m

£327

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Tue 19/1

18:00-11:50

1 stop37h 50m

£349

MonctonLondon

YQM Moncton Intl - LHR London Heathrow

YQMLHR

Moncton Intl

Wed 9/9

13:00-22:00

2 stops29h 00m

£366

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 14 resultsSorted by cheapest first
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.

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 20h 20m. United Airlines provides one of the quickest options available for as low as £603. 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.

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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Southend-on-Sea
Swindon
Enfield
Kingston upon Thames
Southall
Poole

Browse thousands of different options on Cheapflights for your next trip

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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.
Fredericton to Heathrow 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 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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