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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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BFS
18 Jun — 25 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Northern Ireland

Enter your travel dates to find the best prices.

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 19 May 2026.

Sat 4/707:30
LHR
-
BHD
Nonstop1h 20m
British Airways
Sun 12/720:10
BHD
-
LHR
Nonstop1h 15m
British Airways
Deal found 15/5£87
Thu 17/912:10
LHR
-
BHD
Nonstop1h 25m
British Airways
Mon 21/919:35
BHD
-
LHR
Nonstop1h 15m
British Airways
Deal found 15/5£90
Tue 30/607:30
LHR
-
BHD
Nonstop1h 20m
British Airways
Sun 5/720:10
BHD
-
LHR
Nonstop1h 15m
British Airways
Deal found 14/5£95
Thu 16/707:30
LHR
-
BHD
Nonstop1h 20m
British Airways
Sun 19/720:10
BHD
-
LHR
Nonstop1h 15m
British Airways
Deal found 18/5£106
Fri 12/619:20
LHR
-
BHD
Nonstop1h 15m
British Airways
Sun 14/611:00
BHD
-
LHR
Nonstop1h 25m
British Airways
Deal found 15/5£108
Tue 9/614:05
LHR
-
BHD
Nonstop1h 25m
British Airways
Tue 23/620:25
BHD
-
LHR
Nonstop1h 15m
British Airways
Deal found 16/5£108
Wed 22/718:20
LHR
-
BHD
Nonstop1h 20m
British Airways
Wed 29/720:35
BHD
-
LHR
Nonstop1h 15m
British Airways
Deal found 15/5£109
Fri 17/718:05
LHR
-
BHD
Nonstop1h 20m
British Airways
Sun 19/720:10
BHD
-
LHR
Nonstop1h 15m
British Airways
Deal found 17/5£110
Thu 2/718:30
LHR
-
BHD
Nonstop1h 20m
British Airways
Thu 9/720:35
BHD
-
LHR
Nonstop1h 15m
British Airways
Deal found 18/5£111
Thu 3/919:20
LHR
-
BHD
Nonstop1h 15m
British Airways
Sat 12/919:05
BHD
-
LHR
Nonstop1h 15m
British Airways
Deal found 18/5£111
Thu 8/1008:45
LHR
-
LDY
Nonstop1h 30m
Loganair
Tue 13/1014:00
LDY
-
LHR
Nonstop1h 30m
Loganair
Deal found 17/5£170
Fri 23/1006:45
LHR
-
LDY
1 stop6h 00m
Multiple Airlines
Mon 26/1018:05
LDY
-
LHR
Nonstop1h 30m
Multiple Airlines
Deal found 16/5£176

Find 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 19 May 2026.

Round-trip from

£87

One-way from

£39

Popular in

July

Cheapest in

January

Average price

£90

Good round-trip deal

£126 or less

Good one-way deal

£77 or less
British Airways
  • British Airways
  • 4/7-12/7
  • Nonstop
  • 2h 35m total
  • London to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 19/9
  • Nonstop
  • 1h 25m total
  • London to Northern Ireland
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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

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 19 May 2026.
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

Cheapest return flight

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 2/7

10:40-12:00

Nonstop1h 20m

Belfast City

Thu 9/7

20:35-21:50

Nonstop1h 15m

£111

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 6/11

12:35-14:00

Nonstop1h 25m

Belfast City

Fri 6/11

19:35-20:55

Nonstop1h 20m

£111
Fastest return journey

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 3/9

19:20-20:35

Nonstop1h 15m

Belfast City

Sat 12/9

19:05-20:20

Nonstop1h 15m

£111

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Sun 19/7

18:00-19:20

Nonstop1h 20m

Belfast City

Wed 22/7

20:35-21:50

Nonstop1h 15m

£116

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Mon 10/8

07:20-08:40

Nonstop1h 20m

Belfast City

Thu 20/8

19:30-20:45

Nonstop1h 15m

£117

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Wed 29/7

17:30-18:55

Nonstop1h 25m

Belfast City

Sun 2/8

06:30-07:55

Nonstop1h 25m

£120

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Wed 26/8

07:40-09:00

Nonstop1h 20m

Belfast City

Wed 26/8

20:35-21:50

Nonstop1h 15m

£126

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Sat 4/7

07:30-08:50

Nonstop1h 20m

Belfast City

Sat 4/7

19:05-20:20

Nonstop1h 15m

£128

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Sat 1/8

07:30-08:50

Nonstop1h 20m

Belfast City

Sat 1/8

19:05-20:20

Nonstop1h 15m

£135

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 29/5

17:20-18:45

Nonstop1h 25m

Belfast City

Tue 2/6

19:30-20:45

Nonstop1h 15m

£139

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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

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

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Northern Ireland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Northern Ireland (average of £17). Flying from London Heathrow Airport to Northern Ireland in August is currently the most expensive (average of £84). 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 19 May 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 41% on flights from London Heathrow Airport to Northern Ireland by exploring options for tickets in the morning.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Northern Ireland. Price data was last updated on 16 May 2026.

Travellers seeking maximum savings on their London Heathrow Airport to Northern Ireland 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.

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 19 May 2026.
See what other customers who have flown with easyJet,British Airways, andRyanair 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
1,903 reviews
Check prices

Crew

7.7

Boarding

6.7

Overall

6.9

Food

5.9

Entertainment

5.5

Comfort

6.8

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
easyJet
6.9
Okay
1,903 reviews
easyJet
6.9
Okay
1,903 reviews
Check prices

Crew

7.7

Boarding

6.7

Overall

6.9

Food

5.9

Entertainment

5.5

Comfort

6.8

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
British Airways
6.7
Okay
7,988 reviews
easyJet
6.9
Okay
1,903 reviews
Check prices

Crew

7.7

Boarding

6.7

Overall

6.9

Food

5.9

Entertainment

5.5

Comfort

6.8

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
Ryanair
6.5
Okay
easyJet
6.9
Okay
1,903 reviews
Check prices

Crew

7.7

Boarding

6.7

Overall

6.9

Food

5.9

Entertainment

5.5

Comfort

6.8

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .

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?

    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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Northern Ireland (average of £17). Flying from London Heathrow Airport to Northern Ireland in August is currently the most expensive (average of £84). 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.
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Top 4 airlines flying from Heathrow to Northern Ireland

Discover the top 4 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 19 May 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£23Average£63FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£34Average£72FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£88Average£140FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£140Average£222FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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