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Cheap flights from London Heathrow Airport to Northern Ireland from £39

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BFS
18 Jul — 25 Jul1
1 adult

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 13 July 2025.

Round-trip from

£86

One-way from

£39

Popular in

July

Cheapest in

January

Average price

£110

Good round-trip deal

£95 or less

Good one-way deal

£66 or less
British Airways
  • British Airways
  • 12/11-16/11
  • Nonstop
  • 2h 45m total
  • London to Northern Ireland
British Airways
  • British Airways
  • 9/11
  • Nonstop
  • 1h 25m total
  • London to Northern Ireland
Highest demand for flights based on searches. 27% potential increase in price (£17 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from London Heathrow to Northern Ireland.
Price to beat on a one-way flight from London Heathrow to Northern Ireland.

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 13 July 2025.

Wed 12/1107:00LHR - BHD
Nonstop1h 25mBritish Airways
Sun 16/1117:35BHD - LHR
Nonstop1h 20mBritish Airways
Deal found 10/7£86
Thu 4/907:30LHR - BHD
Nonstop1h 20mMultiple Airlines
Mon 8/909:05BHD - LHR
1 stop8h 50mMultiple Airlines
Deal found 11/7£133
Wed 1/1020:20LHR - LDY
Nonstop1h 25mLoganair
Sat 4/1006:30LDY - LHR
Nonstop1h 30mLoganair
Deal found 10/7£139
Tue 26/807:05LHR - BFS
1 stop10h 15mMultiple Airlines
Tue 2/917:50BFS - LHR
1 stop3h 55mMultiple Airlines
Deal found 12/7£146
Mon 1/908:45LHR - LDY
Nonstop1h 30mMultiple Airlines
Sun 7/917:00LDY - LHR
1 stop3h 50mMultiple Airlines
Deal found 10/7£186
Mon 25/806:30LHR - CAL
1 stop10h 45mMultiple Airlines
Mon 1/917:35CAL - LHR
1 stop4h 35mMultiple Airlines
Deal found 11/7£252
Fri 19/908:45LHR - CAL
2 stops8h 30mLoganair
Sun 21/917:35CAL - LHR
2 stops21h 55mLoganair
Deal found 12/7£531

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Northern Ireland 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 13 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Northern Ireland that are best for you.

Fly from

Heathrow

Fly to

Northern Ireland

Route

Depart

Return

Price

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Wed 12/11

07:00-08:25

Nonstop1h 25m

Belfast City

Sun 16/11

17:35-18:55

Nonstop1h 20m

£86

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 4/9

07:30-08:50

Nonstop1h 20m

Belfast City

Mon 8/9

09:05-17:55

1 stop8h 50m

£133

LondonLondonderry

LHR - LDY

LHRLDY

London Heathrow

Wed 1/10

20:20-21:45

Nonstop1h 25m

Londonderry Eglinton

Sat 4/10

06:30-08:00

Nonstop1h 30m

£139

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Tue 26/8

07:05-17:20

1 stop10h 15m

Belfast Intl

Tue 2/9

17:50-21:45

1 stop3h 55m

£146

LondonLondonderry

LHR - LDY

LHRLDY

London Heathrow

Mon 1/9

08:45-10:15

Nonstop1h 30m

Londonderry Eglinton

Sun 7/9

17:00-20:50

1 stop3h 50m

£186

LondonCampbeltown

LHR - CAL

LHRCAL

London Heathrow

Mon 25/8

06:30-17:15

1 stop10h 45m

Campbeltown Machrihanish

Mon 1/9

17:35-22:10

1 stop4h 35m

£252

LondonCampbeltown

LHR - CAL

LHRCAL

London Heathrow

Fri 19/9

08:45-17:15

2 stops8h 30m

Campbeltown Machrihanish

Sun 21/9

17:35-15:30

2 stops21h 55m

£531

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Sun 9/11

06:50-08:15

Nonstop1h 25m

£39

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Sun 16/11

07:20-11:30

1 stop4h 10m

£70

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 6/11

06:50-16:05

1 stop9h 15m

£75

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 14 results
1
2

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?

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 13 July 2025.

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

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 13 July 2025.
See what other customers who have flown with 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.

Boarding

6.9

Food

6.3

Entertainment

6.4

Overall

6.6

Comfort

6.7

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Boarding

6.9

Food

6.3

Entertainment

6.4

Overall

6.6

Comfort

6.7

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

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.
  • 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?

    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

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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

Discover the top 3 airlines that operate flights from Heathrow to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 July 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£30Average£74FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£78Average£136FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£128Average£178FlexibilityNo cancel feeOn-time79%
Search Loganair flights

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

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