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Cheap flights from London Heathrow Airport to Belfast from £38

LHR — BHD
15 Oct — 22 Oct1
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

Fri 13/1115:25 -
Nonstop1h 30m
Sun 15/1117:35 -
Nonstop1h 20m
Deal found 11/9£84
Sun 4/1019:15 -
Nonstop1h 15m
Tue 6/1013:45 -
Nonstop1h 25m
Deal found 13/9£101
Wed 23/1206:20 -
Nonstop1h 25m
Wed 6/109:15 -
Nonstop1h 25m
Deal found 11/9£102
Sat 17/1007:30 -
Nonstop1h 20m
Sun 18/1020:10 -
Nonstop1h 15m
Deal found 10/9£104
Thu 15/1017:20 -
Nonstop1h 25m
Mon 19/1009:40 -
Nonstop1h 25m
Deal found 10/9£104
Thu 15/1018:30 -
Nonstop1h 20m
Sun 18/1006:30 -
Nonstop1h 25m
Deal found 10/9£105
Sat 17/1007:30 -
Nonstop1h 20m
Tue 20/1020:25 -
Nonstop1h 15m
Deal found 14/9£107
Fri 9/1007:25 -
Nonstop1h 20m
Fri 16/1006:30 -
Nonstop1h 25m
Deal found 11/9£108
Fri 9/1007:25 -
Nonstop1h 20m
Mon 12/1006:30 -
Nonstop1h 25m
Deal found 11/9£109
Wed 14/1020:50 -
1 stop12h 55m
Wed 21/1009:35 -
1 stop10h 30m
Deal found 13/9£170
Wed 28/1019:25 -
1 stop12h 30m
Wed 4/1114:25 -
1 stop7h 00m
Deal found 13/9£199
Tue 29/919:45 -
1 stop14h 55m
Sun 4/1018:00 -
1 stop13h 55m
Deal found 12/9£211

Find flight deals from Heathrow to Belfast

Round-trip from

£84

One-way from

£38

Popular in

September

Cheapest in

November

Average price

£187
British Airways
  • British Airways
  • 13/11-15/11
  • Nonstop
  • 2h 50m total
  • London to Belfast
Search Deals
British Airways
  • British Airways
  • 30/11-31/12
  • Nonstop
  • 1h 25m total
  • London to Belfast
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£10 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 September 2026
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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

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Sat 31/10

15:55-17:25

Nonstop1h 30m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£51
Fastest return journey

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Sun 4/10

19:15-20:30

Nonstop1h 15m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£53

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Thu 24/9

14:15-15:40

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£54

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Wed 9/12

13:25-14:50

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Wed 7/10

16:10-17:35

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Sun 13/12

12:50-14:15

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Sat 14/11

17:45-19:10

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Tue 13/10

06:15-07:35

Nonstop1h 20m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Thu 8/10

14:15-15:40

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

LondonBelfast

LHR London Heathrow - BHD Belfast City

LHRBHD

London Heathrow

Wed 11/11

07:00-08:25

Nonstop1h 25m

Belfast City

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 42 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Belfast (average of £116). 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 40% 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 £130 and £222 in November.
The cheapest return price found within the last 5 days was £84 on British Airways (13 Nov–15 Nov).

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

Booking 58 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,British Airways, andRyanair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
easyJet
6.9
Okay
1,929 reviews
Check prices

Entertainment

5.5

Crew

7.7

Food

5.9

Boarding

6.7

Overall

6.9

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.
easyJet
6.9
Okay
1,929 reviews
easyJet
6.9
Okay
1,929 reviews
Check prices

Entertainment

5.5

Crew

7.7

Food

5.9

Boarding

6.7

Overall

6.9

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.
British Airways
6.7
Okay
8,222 reviews
easyJet
6.9
Okay
1,929 reviews
Check prices

Entertainment

5.5

Crew

7.7

Food

5.9

Boarding

6.7

Overall

6.9

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.
Ryanair
6.4
Okay
easyJet
6.9
Okay
1,929 reviews
Check prices

Entertainment

5.5

Crew

7.7

Food

5.9

Boarding

6.7

Overall

6.9

Comfort

6.8

Reviews

1 / 20
2.0
Mediocre

Aleksandra,Aug 2026

LGW - RMU

Awful plane, old, rickety, ripped seats in places, rubbish left from previous passengers. The crew clothing was tatty, old, unkempt. I have never experienced anything like this. Ryanair had better standards.

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 20m. 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 Ryanair is currently your cheapest option to Belfast, with prices starting at £23. Additional return tickets that might be worth considering are offered by easyJet and British Airways, with the lowest prices starting at £39 and £91, respectively. Ryanair is priced at 84% 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Belfast (average of £116). 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 4 airlines flying from Heathrow to Belfast

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£23Average£47FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£39Average£78FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£91Average£142FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£140Average£237FlexibilityNo 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.

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