How long is the flight from London Heathrow Airport to Northern Ireland?

Departing from London Heathrow Airport to Northern Ireland will take you 1h 20m. The distance from London Heathrow Airport to Northern Ireland is about 312 mi. All flights are typically direct.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Northern Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the most popular routes from London Heathrow Airport to Northern Ireland?

The most popular flight routes from London Heathrow Airport to Northern Ireland are London Heathrow - Belfast Intl, London Heathrow - Belfast City and London Heathrow - Londonderry Eglinton.

Can I find deals for flights from Heathrow to Northern Ireland that include hotel bookings?

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

How can I find direct flights from Heathrow to Northern Ireland?

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

Can I find deals for business class flights from Heathrow to Northern Ireland?

Yes. Cheapflights offers flight deals from Heathrow to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£42+ Cheap Flights from London Heathrow Airport to Northern Ireland

Q: How much does it cost for a return flight from London Heathrow Airport to Northern Ireland?

Airfare is typical for this route at the moment. London Heathrow Airport to Northern Ireland flights typically cost between £89 and £193 in October. The cheapest return flight price found within the last 3 days was £179 on Multiple Airlines (30 Oct-6 Nov).

Cheap flight deals from Heathrow to Northern Ireland

Round-trip from	£81
One-way from	£42
Popular in	July
Cheapest in	January
Average price	£55
Good round-trip deal	£98 or less
Good one-way deal	£64 or less

British Airways
12/10-19/10
Nonstop
2h 40m total
London to Northern Ireland

Search Deals

British Airways
6/12
Nonstop
1h 25m total
London to Northern Ireland

Search Deals

Highest demand for flights based on searches. 28% potential increase in price (£19 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from London Heathrow to Northern Ireland.

Search Deals

Price to beat on a one-way flight from London Heathrow to Northern Ireland.

Search Deals

Find flight deals from Heathrow to Northern Ireland

Cheapest flights from Heathrow to Northern Ireland
Explore the most affordable flight options available from Heathrow to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Tue 9/1217:05LHR - BHD

Nonstop1h 30mBritish Airways

Thu 18/1217:45BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£81

Sat 18/1007:30LHR - BHD

Nonstop1h 20mBritish Airways

Mon 20/1018:30BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£84

Wed 15/1011:35LHR - BHD

Nonstop1h 25mBritish Airways

Wed 22/1011:30BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£86

Mon 13/1010:15LHR - BHD

Nonstop1h 15mBritish Airways

Mon 20/1013:50BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£87

Fri 7/1106:05LHR - BHD

Nonstop1h 25mBritish Airways

Sun 9/1110:40BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 16/9£87

Fri 21/1106:05LHR - BHD

Nonstop1h 25mBritish Airways

Sun 23/1109:10BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£88

Sat 1/1107:00LHR - BHD

Nonstop1h 25mBritish Airways

Sun 2/1120:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£89

Thu 18/1206:50LHR - BHD

Nonstop1h 25mBritish Airways

Sat 20/1211:35BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£90

Wed 29/1007:00LHR - BHD

Nonstop1h 25mBritish Airways

Sun 2/1120:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£91

Thu 16/1006:15LHR - BHD

Nonstop1h 20mBritish Airways

Thu 23/1013:15BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£92

Fri 31/1006:05LHR - BHD

Nonstop1h 25mBritish Airways

Fri 7/1119:35BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£92

Mon 24/1108:45LHR - LDY

Nonstop1h 30mLoganair

Wed 26/1106:30LDY - LHR

Nonstop1h 30mLoganair

Deal found 15/9£155

Best flights from Heathrow to Northern Ireland
Discover carefully curated flight deals from Heathrow to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Sat 18/1007:30LHR - BHD

Nonstop1h 20mBritish Airways

Sat 18/1019:00BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£84

Mon 24/1108:45LHR - LDY

Nonstop1h 30mLoganair

Wed 26/1106:30LDY - LHR

Nonstop1h 30mLoganair

Deal found 15/9£155

Fri 28/1116:30LHR - BHD

Nonstop1h 30mBritish Airways

Tue 2/1210:00BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£84

Mon 20/1013:15LHR - BHD

Nonstop1h 25mBritish Airways

Fri 24/1020:05BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£84

Sat 11/1006:15LHR - BFS

1 stop10h 25mMultiple Airlines

Mon 13/1015:30BFS - LHR

1 stop5h 55mMultiple Airlines

Deal found 14/9£194

Fri 13/306:05LHR - BHD

Nonstop1h 25mBritish Airways

Mon 16/311:30BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£84

Fri 17/1007:25LHR - BHD

Nonstop1h 20mBritish Airways

Mon 20/1015:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£86

Sat 1/1107:00LHR - BHD

Nonstop1h 25mBritish Airways

Sun 2/1120:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£89

Thu 18/1206:50LHR - BHD

Nonstop1h 25mBritish Airways

Sat 20/1211:35BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£90

Fri 14/1106:05LHR - BHD

Nonstop1h 25mBritish Airways

Sun 16/1120:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 17/9£91

Sat 8/1108:45LHR - LDY

Nonstop1h 30mLoganair

Mon 10/1118:05LDY - LHR

Nonstop1h 30mLoganair

Deal found 16/9£169

Thu 16/1006:15LHR - BHD

Nonstop1h 20mBritish Airways

Thu 23/1013:15BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£92

Sun 15/307:00LHR - BFS

1 stop5h 45mMultiple Airlines

Sat 21/314:05BFS - LHR

1 stop7h 20mMultiple Airlines

Deal found 15/9£194

Thu 23/1006:15LHR - BHD

Nonstop1h 20mBritish Airways

Mon 27/1017:45BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 17/9£92

Tue 14/1008:45LHR - LDY

Nonstop1h 30mLoganair

Tue 21/1014:00LDY - LHR

Nonstop1h 30mLoganair

Deal found 15/9£181

Wed 15/1008:45LHR - LDY

Nonstop1h 30mMultiple Airlines

Wed 22/1016:00LDY - LHR

2 stops16h 00mMultiple Airlines

Deal found 15/9£195

Sat 8/1108:45LHR - LDY

Nonstop1h 30mLoganair

Sun 9/1109:05LDY - LHR

Nonstop1h 30mLoganair

Deal found 15/9£181

Sat 4/1007:30LHR - BHD

Nonstop1h 20mBritish Airways

Sat 4/1019:00BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£94

Sat 11/1006:15LHR - BFS

1 stop10h 25mMultiple Airlines

Tue 14/1014:50BFS - LHR

1 stop6h 35mMultiple Airlines

Deal found 15/9£199

Fri 5/1208:45LHR - LDY

Nonstop1h 30mLoganair

Sun 7/1214:00LDY - LHR

Nonstop1h 30mLoganair

Deal found 15/9£186

Thu 9/1008:45LHR - LDY

Nonstop1h 30mLoganair

Sat 11/1006:30LDY - LHR

Nonstop1h 30mLoganair

Deal found 15/9£186

Tue 14/1013:45LHR - BFS

2 stops22h 05mMultiple Airlines

Tue 21/1007:20BFS - LHR

2 stops15h 35mMultiple Airlines

Deal found 16/9£224

Tue 30/908:45LHR - LDY

Nonstop1h 30mLoganair

Sat 4/1006:30LDY - LHR

Nonstop1h 30mLoganair

Deal found 15/9£201

Thu 6/1108:50LHR - BFS

2 stops6h 40mMultiple Airlines

Sun 9/1106:30BFS - LHR

1 stop7h 55mMultiple Airlines

Deal found 16/9£227

Sun 26/1020:15LHR - LDY

Nonstop1h 25mLoganair

Thu 30/1006:30LDY - LHR

Nonstop1h 30mLoganair

Deal found 16/9£202

Fri 7/1116:20LHR - BFS

2 stops6h 00mMultiple Airlines

Sun 9/1106:30BFS - LHR

1 stop7h 55mMultiple Airlines

Deal found 16/9£234

Thu 16/1006:15LHR - BFS

1 stop7h 45mMultiple Airlines

Tue 21/1014:50BFS - LHR

1 stop6h 35mMultiple Airlines

Deal found 15/9£239

Mon 13/1015:50LHR - BFS

2 stops6h 30mMultiple Airlines

Mon 20/1012:35BFS - LHR

1 stop8h 50mMultiple Airlines

Deal found 15/9£251

Tue 30/906:15LHR - BFS

1 stop5h 25mMultiple Airlines

Sat 4/1012:35BFS - LHR

1 stop6h 00mMultiple Airlines

Deal found 14/9£252

Fri 10/1015:10LHR - BFS

2 stops6h 25mMultiple Airlines

Wed 15/1009:35BFS - LHR

1 stop10h 30mMultiple Airlines

Deal found 14/9£252

Direct flights from Heathrow to Northern Ireland
Explore direct flight options from Heathrow to Northern Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Tue 9/1217:05LHR - BHD

Nonstop1h 30mBritish Airways

Thu 18/1217:45BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£81

Sat 18/1007:30LHR - BHD

Nonstop1h 20mBritish Airways

Mon 20/1018:30BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£84

Fri 9/117:20LHR - BHD

Nonstop1h 30mBritish Airways

Sun 11/109:10BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£84

Wed 15/1011:35LHR - BHD

Nonstop1h 25mBritish Airways

Wed 22/1011:30BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£86

Mon 13/1010:15LHR - BHD

Nonstop1h 15mBritish Airways

Mon 20/1013:50BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£87

Fri 7/1106:05LHR - BHD

Nonstop1h 25mBritish Airways

Sun 9/1110:40BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 16/9£87

Fri 21/1106:05LHR - BHD

Nonstop1h 25mBritish Airways

Sun 23/1109:10BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£88

Sat 1/1107:00LHR - BHD

Nonstop1h 25mBritish Airways

Sun 2/1120:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£89

Thu 18/1206:50LHR - BHD

Nonstop1h 25mBritish Airways

Sat 20/1211:35BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£90

Wed 29/1007:00LHR - BHD

Nonstop1h 25mBritish Airways

Sun 2/1120:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£91

Thu 16/1006:15LHR - BHD

Nonstop1h 20mBritish Airways

Thu 23/1013:15BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£92

Mon 24/1108:45LHR - LDY

Nonstop1h 30mLoganair

Wed 26/1106:30LDY - LHR

Nonstop1h 30mLoganair

Deal found 15/9£155

Last-minute flights from Heathrow to Northern Ireland
Discover last-minute flight deals from Heathrow to Northern Ireland. Data last updated 17 September 2025 and is based on user searches.

Sat 4/1007:30LHR - BHD

Nonstop1h 20mBritish Airways

Sat 4/1019:00BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£94

Mon 13/1010:15LHR - BHD

Nonstop1h 15mBritish Airways

Mon 20/1013:50BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£87

Wed 15/1011:35LHR - BHD

Nonstop1h 25mBritish Airways

Wed 22/1011:30BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 15/9£86

Wed 15/1008:45LHR - LDY

Nonstop1h 30mLoganair

Wed 22/1018:05LDY - LHR

Nonstop1h 30mLoganair

Deal found 15/9£169

Thu 16/1006:15LHR - BHD

Nonstop1h 20mBritish Airways

Thu 23/1013:15BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£92

Thu 16/1006:15LHR - BHD

Nonstop1h 20mBritish Airways

Mon 20/1013:50BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 17/9£97

Fri 17/1007:25LHR - BHD

Nonstop1h 20mBritish Airways

Fri 24/1006:35BHD - LHR

Nonstop1h 25mBritish Airways

Deal found 17/9£98

Sat 18/1007:30LHR - BHD

Nonstop1h 20mBritish Airways

Mon 20/1018:30BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£84

Sat 18/1019:20LHR - BHD

Nonstop1h 25mBritish Airways

Tue 21/1013:40BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/9£87

Sun 26/1006:50LHR - BHD

Nonstop1h 25mBritish Airways

Sun 2/1120:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£100

Wed 29/1007:00LHR - BHD

Nonstop1h 25mBritish Airways

Sun 2/1120:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£91

Fri 31/1006:05LHR - BHD

Nonstop1h 25mBritish Airways

Fri 7/1119:35BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/9£92

One-way flights from Heathrow to Northern Ireland
Search for one-way flight options from Heathrow to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Sat 6/1207:00LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/9£42

Mon 8/1207:00LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 17/9£44

Sun 5/1008:50LHR - BHD

Nonstop1h 20mBritish Airways

Deal found 16/9£51

Tue 11/1107:40LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/9£52

Sun 12/1010:55LHR - BHD

Nonstop1h 20mBritish Airways

Deal found 15/9£54

Fri 14/1106:05LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/9£54

Thu 27/1106:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/9£56

Fri 17/1007:25LHR - BHD

Nonstop1h 20mBritish Airways

Deal found 15/9£64

Sat 11/1007:30LHR - BHD

Nonstop1h 20mBritish Airways

Deal found 15/9£65

Thu 16/1006:15LHR - BHD

Nonstop1h 20mBritish Airways

Deal found 16/9£68

Mon 24/1108:45LHR - LDY

Nonstop1h 30mLoganair

Deal found 15/9£70

Sat 1/1112:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/9£73

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Sat 18/10

07:30-08:50

Nonstop1h 20m

Belfast City

Sat 18/10

19:00-20:20

Nonstop1h 20m

£84

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 28/11

16:30-18:00

Nonstop1h 30m

Belfast City

Tue 2/12

10:00-11:30

Nonstop1h 30m

£84

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Mon 20/10

13:15-14:40

Nonstop1h 25m

Belfast City

Fri 24/10

20:05-21:25

Nonstop1h 20m

£84

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 13/3

06:05-07:30

Nonstop1h 25m

Belfast City

Mon 16/3

11:30-13:00

Nonstop1h 30m

£84

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 17/10

07:25-08:45

Nonstop1h 20m

Belfast City

Mon 20/10

15:25-16:45

Nonstop1h 20m

£86

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Sat 1/11

07:00-08:25

Nonstop1h 25m

Belfast City

Sun 2/11

20:25-21:45

Nonstop1h 20m

£89

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 18/12

06:50-08:15

Nonstop1h 25m

Belfast City

Sat 20/12

11:35-13:05

Nonstop1h 30m

£90

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 14/11

06:05-07:30

Nonstop1h 25m

Belfast City

Sun 16/11

20:25-21:45

Nonstop1h 20m

£91

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 16/10

06:15-07:35

Nonstop1h 20m

Belfast City

Thu 23/10

13:15-14:35

Nonstop1h 20m

£92

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 23/10

06:15-07:35

Nonstop1h 20m

Belfast City

Mon 27/10

17:45-19:05

Nonstop1h 20m

£92

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 60 results

...

Best time to book a flight from Heathrow to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Heathrow 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 London Heathrow Airport to Northern Ireland

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Northern Ireland (average of £67). Flying from London Heathrow Airport to Northern Ireland in July is currently the most expensive (average of £90). 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 NIR?

When flying from London Heathrow Airport to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Reviews of airlines servicing Northern Ireland

See what other customers who have flown with easyJet and British Airways from London Heathrow Airport to Northern Ireland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

easyJet

6.9

Okay

1,820 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.

easyJet

6.9

Okay

1,820 reviews

easyJet

6.9

Okay

1,820 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.

British Airways

6.7

Okay

7,363 reviews

easyJet

6.9

Okay

1,820 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.

Related info for your journey

How long is the flight from London Heathrow Airport to Northern Ireland?
Departing from London Heathrow Airport to Northern Ireland will take you 1h 20m. The distance from London Heathrow Airport to Northern Ireland is about 312 mi. All flights are typically direct.
What are the most popular routes from London Heathrow Airport to Northern Ireland?
The most popular flight routes from London Heathrow Airport to Northern Ireland are London Heathrow - Belfast Intl, London Heathrow - Belfast City and London Heathrow - Londonderry Eglinton.
Can I find deals for flights from Heathrow to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Heathrow to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Northern Ireland.
Can I find deals for business class flights from Heathrow to Northern Ireland?
Yes. Cheapflights offers flight deals from Heathrow to Northern Ireland 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 Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Northern Ireland (average of £67). Flying from London Heathrow Airport to Northern Ireland in July is currently the most expensive (average of £90). 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

Alternative routes for Heathrow to Northern Ireland

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Direct flights to United Kingdom

Top 3 airlines flying from Heathrow to Northern Ireland

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£30	Average£71	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
British Airways	Cheapest£77	Average£118	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Loganair	Cheapest£127	Average£175	FlexibilityNo cancel fee	On-time79%	Search Loganair flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Northern Ireland?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Northern Ireland from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Northern Ireland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Northern Ireland for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Northern Ireland with no change fees.

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Cheap flights from London Heathrow Airport to Northern Ireland from £42

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Northern Ireland

Keep the following information in mind while searching for Heathrow to Northern Ireland flight deals. Data was last updated 17 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Northern Ireland

Cheapest flights from Heathrow to Northern IrelandExplore the most affordable flight options available from Heathrow to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from Heathrow to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

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Best time to book a flight from Heathrow to Northern Ireland

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Heathrow to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

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

Reviews of airlines servicing Northern Ireland

See what other customers who have flown with easyJet and British Airways from London Heathrow Airport to Northern Ireland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London Heathrow Airport to Northern Ireland?

What are the most popular routes from London Heathrow Airport to Northern Ireland?

Can I find deals for flights from Heathrow to Northern Ireland that include hotel bookings?

How can I find direct flights from Heathrow to Northern Ireland?

Can I find deals for business class flights from Heathrow to Northern Ireland?

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

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Alternative routes for Heathrow to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Heathrow to Northern Ireland

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Cheapest flights from Heathrow to Northern Ireland
Explore the most affordable flight options available from Heathrow to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.