Cheap flights from Belfast City Airport to London Heathrow Airport from £65

BHD — LHR
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Belfast City to London Heathrow are usually found in October or February, booked 84 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Belfast City to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Belfast City to Heathrow

Thu 19/1117:50 -
Nonstop1h 15m
Sat 21/1109:30 -
Nonstop1h 25m
Deal found 6/11£73
Sat 12/1218:15 -
Nonstop1h 15m
Mon 14/1206:15 -
Nonstop1h 25m
Deal found 8/11£107
Tue 15/1211:40 -
Nonstop1h 25m
Tue 15/1217:10 -
Nonstop1h 25m
Deal found 8/11£112
Tue 24/1116:55 -
Nonstop1h 20m
Sun 29/1119:00 -
Nonstop1h 25m
Deal found 6/11£113
Thu 10/1220:00 -
Nonstop1h 15m
Mon 14/1206:15 -
Nonstop1h 25m
Deal found 5/11£115

Find flight deals from Belfast City to Heathrow

Round-trip from

£73

One-way from

£65

Popular in

July

Cheapest in

October

Average price

£132

Good round-trip deal

£508 or less

Good one-way deal

£99 or less
British Airways
  • British Airways
  • 19/11-21/11
  • Nonstop
  • 2h 40m total
  • Belfast to London
British Airways
  • British Airways
  • 15/12-31/12
  • Nonstop
  • 1h 20m total
  • Belfast to London
Highest demand for flights based on searches. 11% potential increase in price (£13 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Belfast City to London Heathrow.
Price to beat on a one-way flight from Belfast City to London Heathrow.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Belfast City Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Sun 6/12

20:30-21:45

Nonstop1h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£91

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Sat 12/12

18:15-19:30

Nonstop1h 15m

London Heathrow

Mon 14/12

06:15-07:40

Nonstop1h 25m

£115

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Thu 17/12

10:00-20:05

2 stops10h 05m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£119

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Tue 9/3

06:35-08:10

Nonstop1h 35m

London Heathrow

Thu 25/3

15:25-16:55

Nonstop1h 30m

£136

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Wed 6/1

15:45-17:05

Nonstop1h 20m

London Heathrow

Sat 9/1

09:30-10:55

Nonstop1h 25m

£137

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Fri 11/12

10:10-20:05

2 stops9h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£141

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Thu 10/12

10:00-20:05

2 stops10h 05m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£144

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Fri 20/11

06:45-08:20

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£145

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Thu 19/11

14:10-15:35

Nonstop1h 25m

London Heathrow

Sun 22/11

09:45-11:10

Nonstop1h 25m

£153

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Fri 30/4

09:50-17:35

1 stop7h 45m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£159

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Belfast City to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Belfast City with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Belfast City Airport to London Heathrow Airport

How far ahead should I book a flight from Belfast City Airport to London Heathrow Airport?

The best time to book flights from Belfast City Airport to London Heathrow Airport is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Belfast City Airport to London Heathrow Airport (average of £121). Flying from Belfast City Airport to London Heathrow Airport in July is currently the most expensive (average of £165). 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.

What is the cheapest time of day to fly from BHD to LHR?

It’s optimal to fly from Belfast City Airport to London Heathrow Airport in the evening. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Belfast City Airport to London Heathrow Airport?

Travellers seeking maximum savings on their Belfast City Airport to London Heathrow Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from Belfast City Airport to London Heathrow Airport?

Airfare is below average for this route at the moment.

Belfast City Airport to London Heathrow Airport flights typically cost between £111 and £150 in November.
The cheapest return price found within the last 5 days was £73 on British Airways (19 Nov–21 Nov).

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Belfast City Airport to London Heathrow Airport, such as easyJet and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

5.5

Comfort

6.8

Crew

7.7

Food

6.0

Boarding

6.8

Overall

6.9

Reviews

1 / 20
6.0
Good

Aleksandra,Sept 2026

RMU - LGW

Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.

Entertainment

5.5

Comfort

6.8

Crew

7.7

Food

6.0

Boarding

6.8

Overall

6.9

Reviews

1 / 20
6.0
Good

Aleksandra,Sept 2026

RMU - LGW

Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.

Entertainment

5.5

Comfort

6.8

Crew

7.7

Food

6.0

Boarding

6.8

Overall

6.9

Reviews

1 / 20
6.0
Good

Aleksandra,Sept 2026

RMU - LGW

Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.

Related info for your journey

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

    A quick flight from Belfast City Airport to London Heathrow Airport can take about 1h 15m. British Airways provides one of the quickest options available for as low as £115. The distance between Belfast City Airport and London Heathrow Airport is about 312 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Belfast City Airport to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Belfast City Airport to London Heathrow Airport round-trip from £54. Another airline that can offer you cheap pricing is British Airways. easyJet is 61% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Belfast City Airport to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Belfast City Airport to London Heathrow Airport consider choosing Finnair (88%), American Airlines (75%) or Qantas Airways (75%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Belfast City Airport to London Heathrow Airport?

    The cheapest flight price from Belfast City Airport to London Heathrow Airport is £27. On average you can expect to pay £888. The most popular route, (Belfast City - London Heathrow), can usually be booked for £107.

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

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

  • How can I find direct flights from Belfast City to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Belfast City 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 Belfast City Airport to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Belfast City Airport to London Heathrow Airport (average of £121). Flying from Belfast City Airport to London Heathrow Airport in July is currently the most expensive (average of £165). 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
Hounslow
Luton
Milton Keynes
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Eastbourne
Northampton
Barnet
Brentford
Southend-on-Sea
Enfield
Southall
Harrow
Watford
Folkestone
Dagenham

Browse thousands of different options on Cheapflights for your next trip

Fly from Belfast City to Heathrow on these airlines

Top 2 airlines flying from Belfast City to Heathrow

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£54Average£66FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£96Average£143FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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Deals for Belfast City to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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Can Cheapflights find flights from Belfast City to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast City to Heathrow flexibly with Cheapflights today.

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

Yes! Start tracking prices for Belfast City to Heathrow 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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