Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Belfast from £40

LHR — BHD
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Belfast

Sun 8/1109:45 -
Nonstop1h 25m
Sun 8/1117:05 -
Nonstop1h 20m
Deal found 25/10£82
Thu 26/1113:10 -
Nonstop1h 25m
Thu 3/1217:50 -
Nonstop1h 15m
Deal found 27/10£86
Thu 3/1218:45 -
Nonstop1h 25m
Sun 6/1220:30 -
Nonstop1h 15m
Deal found 27/10£87
Mon 23/1117:25 -
Nonstop1h 25m
Thu 3/1217:50 -
Nonstop1h 15m
Deal found 27/10£90
Wed 30/1210:05 -
Nonstop1h 25m
Sun 3/106:30 -
Nonstop1h 35m
Deal found 27/10£91
Fri 4/1206:15 -
Nonstop1h 25m
Sun 6/1220:30 -
Nonstop1h 15m
Deal found 27/10£92
Wed 4/1107:00 -
Nonstop1h 25m
Tue 10/1111:40 -
Nonstop1h 25m
Deal found 29/10£94
Sat 5/1217:45 -
Nonstop1h 25m
Sun 6/1206:30 -
Nonstop1h 35m
Deal found 27/10£95
Wed 9/1206:20 -
Nonstop1h 25m
Thu 10/1220:00 -
Nonstop1h 15m
Deal found 27/10£98
Tue 24/1118:45 -
Nonstop1h 25m
Tue 8/1215:05 -
Nonstop1h 20m
Deal found 27/10£100
Thu 3/1215:25 -
Nonstop1h 30m
Mon 7/1206:35 -
Nonstop1h 35m
Deal found 28/10£101
Fri 18/1206:15 -
Nonstop1h 25m
Fri 18/1217:45 -
Nonstop1h 15m
Deal found 28/10£103

Find flight deals from Heathrow to Belfast

Round-trip from

£86

One-way from

£40

Popular in

October

Cheapest in

November

Average price

£198
British Airways
  • British Airways
  • 26/11-3/12
  • Nonstop
  • 2h 40m total
  • London to Belfast
Search Deals
British Airways
  • British Airways
  • 17/1-31/12
  • Nonstop
  • 1h 25m total
  • London to Belfast
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Wed 28/4

16:10-17:35

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£53

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Sat 5/12

17:45-19:10

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Sun 15/11

09:45-11:10

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£58

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Sun 8/11

09:45-11:10

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Sat 28/11

15:55-17:25

Nonstop1h 30m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£79

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Sun 6/12

09:45-11:10

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£83

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Wed 25/11

13:25-14:50

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£86

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Thu 17/12

06:20-13:50

1 stop7h 30m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£103

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Tue 8/12

15:55-17:25

Nonstop1h 30m

Belfast City

Fri 11/12

13:35-15:00

Nonstop1h 25m

£112

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Fri 18/12

06:15-07:40

Nonstop1h 25m

Belfast City

Sun 20/12

06:30-08:05

Nonstop1h 35m

£113

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Belfast

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

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Belfast (average of £121). Flying from London Heathrow Airport to Belfast in September is currently the most expensive (average of £193). 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 LHR to BFS?

One of the essential ways to save on airfare from London Heathrow Airport to Belfast is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 38% on airfare.

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

Airfare is below average for this route at the moment.
London Heathrow Airport to Belfast flights typically cost between £106 and £137 in November.
The cheapest return price found within the last 5 days was £86 on British Airways (26 Nov–3 Dec).

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

Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Belfast. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

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

Reviews of airlines servicing Belfast

Read through reviews of airlines operating flights from London Heathrow Airport to Belfast, such as easyJet and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
easyJet
6.9
Okay
1,922 reviews
Check prices

Comfort

6.8

Overall

6.9

Crew

7.7

Boarding

6.8

Entertainment

5.5

Food

6.0

Reviews

1 / 20
8.0
Excellent

Regina,Sept 2026

LGW - BOD

I didn’t have food or entertainment. Everything was greay
easyJet
6.9
Okay
1,922 reviews
easyJet
6.9
Okay
1,922 reviews
Check prices

Comfort

6.8

Overall

6.9

Crew

7.7

Boarding

6.8

Entertainment

5.5

Food

6.0

Reviews

1 / 20
8.0
Excellent

Regina,Sept 2026

LGW - BOD

I didn’t have food or entertainment. Everything was greay
British Airways
6.7
Okay
8,275 reviews
easyJet
6.9
Okay
1,922 reviews
Check prices

Comfort

6.8

Overall

6.9

Crew

7.7

Boarding

6.8

Entertainment

5.5

Food

6.0

Reviews

1 / 20
8.0
Excellent

Regina,Sept 2026

LGW - BOD

I didn’t have food or entertainment. Everything was greay

Related info for your journey

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

    British Airways can get you from London Heathrow Airport to Belfast in just under 1h 30m. Your travel time will be generally consistent. Airlines will cover a distance of 312 mi. All flights are typically direct.

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

    Flying on easyJet is currently your cheapest option to Belfast, with prices starting at £40. Another option worth looking into is British Airways, starting at £97 return. easyJet is priced at 73% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Belfast (average of £121). Flying from London Heathrow Airport to Belfast in September is currently the most expensive (average of £193). 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Heathrow to Belfast

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£40Average£84FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£97Average£146FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£143Average£251FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

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

Deals for Heathrow to Belfast 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 Heathrow to Belfast?

Cheapflights helps you find that perfect flight to Belfast from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Heathrow to Belfast with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Heathrow to Belfast on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.