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Cheap flights from London Heathrow Airport to Northern Ireland from £40

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BFS
8 Nov — 15 Nov1
1 adult
1 adult, Economy

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 9 October 2025.

Round-trip from

£87

One-way from

£40

Popular in

July

Cheapest in

January

Average price

£66

Good round-trip deal

£95 or less

Good one-way deal

£93 or less
British Airways
  • British Airways
  • 4/12-7/12
  • Nonstop
  • 3h 00m total
  • London to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 21/1
  • 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. 8% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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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

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 9 October 2025.

Thu 4/1206:50LHR - BHD
Nonstop1h 25mBritish Airways
Sun 7/1206:30BHD - LHR
Nonstop1h 35mBritish Airways
Deal found 8/10£87
Thu 27/1106:50LHR - BHD
Nonstop1h 25mBritish Airways
Sun 30/1106:30BHD - LHR
Nonstop1h 35mBritish Airways
Deal found 7/10£89
Thu 13/1107:45LHR - BHD
Nonstop1h 25mBritish Airways
Mon 17/1119:25BHD - LHR
Nonstop1h 20mBritish Airways
Deal found 7/10£90
Mon 15/1207:00LHR - BHD
Nonstop1h 25mBritish Airways
Fri 19/1206:45BHD - LHR
Nonstop1h 35mBritish Airways
Deal found 8/10£91
Mon 1/1207:00LHR - BHD
Nonstop1h 25mBritish Airways
Mon 8/1214:40BHD - LHR
Nonstop1h 25mBritish Airways
Deal found 8/10£92
Fri 21/1106:05LHR - BHD
Nonstop1h 25mBritish Airways
Sun 23/1106:30BHD - LHR
Nonstop1h 35mBritish Airways
Deal found 7/10£93
Mon 24/1107:00LHR - BHD
Nonstop1h 25mBritish Airways
Thu 27/1106:35BHD - LHR
Nonstop1h 35mBritish Airways
Deal found 7/10£93
Fri 14/1106:05LHR - BHD
Nonstop1h 25mBritish Airways
Sat 22/1115:05BHD - LHR
Nonstop1h 25mBritish Airways
Deal found 8/10£94
Thu 6/1107:45LHR - BHD
Nonstop1h 25mBritish Airways
Sun 23/1106:30BHD - LHR
Nonstop1h 35mBritish Airways
Deal found 7/10£95
Wed 5/1107:00LHR - BHD
Nonstop1h 25mBritish Airways
Wed 19/1109:15BHD - LHR
Nonstop1h 30mBritish Airways
Deal found 8/10£96
Thu 6/1106:50LHR - BHD
Nonstop1h 25mBritish Airways
Sun 9/1106:30BHD - LHR
Nonstop1h 35mBritish Airways
Deal found 8/10£96
Sat 8/1107:00LHR - BHD
Nonstop1h 25mBritish Airways
Mon 10/1106:35BHD - LHR
Nonstop1h 35mBritish Airways
Deal found 7/10£97

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 9 October 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

Tue 24/2

07:40-09:05

Nonstop1h 25m

Belfast City

Thu 26/2

17:45-19:05

Nonstop1h 20m

£90

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Sat 24/1

07:00-08:25

Nonstop1h 25m

Belfast City

Mon 26/1

19:25-20:45

Nonstop1h 20m

£93

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 21/11

06:05-07:30

Nonstop1h 25m

Belfast City

Sun 23/11

06:30-08:05

Nonstop1h 35m

£93

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 28/11

06:05-07:30

Nonstop1h 25m

Belfast City

Tue 2/12

15:05-16:30

Nonstop1h 25m

£93

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 14/11

06:05-07:30

Nonstop1h 25m

Belfast City

Sat 22/11

15:05-16:30

Nonstop1h 25m

£94

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 31/10

06:05-07:30

Nonstop1h 25m

Belfast City

Sun 9/11

06:30-08:05

Nonstop1h 35m

£101

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 7/11

06:05-07:30

Nonstop1h 25m

Belfast City

Sun 9/11

06:30-08:05

Nonstop1h 35m

£101

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 30/10

06:50-08:15

Nonstop1h 25m

Belfast City

Sun 9/11

06:30-08:05

Nonstop1h 35m

£101

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 6/11

07:45-09:10

Nonstop1h 25m

Belfast City

Tue 11/11

15:05-16:30

Nonstop1h 25m

£101

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Thu 6/11

07:45-09:10

Nonstop1h 25m

Belfast City

Mon 10/11

19:25-20:45

Nonstop1h 20m

£103

Flights are sorted by cheapest return flights first.

Deals found on 7/10

Showing 1-10 of 59 results
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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.
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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Northern Ireland (average of £40). Flying from London Heathrow Airport to Northern Ireland in August is currently the most expensive (average of £85). 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 9 October 2025.

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 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Northern Ireland flight should consider departing on Tuesday at midday when fares are most often at their lowest. Sunday evenings 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 9 October 2025.
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
1,835 reviews
Check prices

Crew

7.6

Overall

6.9

Comfort

6.7

Boarding

6.7

Food

5.9

Entertainment

5.5

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
1,835 reviews
easyJet
6.9
Okay
1,835 reviews
Check prices

Crew

7.6

Overall

6.9

Comfort

6.7

Boarding

6.7

Food

5.9

Entertainment

5.5

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
7,444 reviews
easyJet
6.9
Okay
1,835 reviews
Check prices

Crew

7.6

Overall

6.9

Comfort

6.7

Boarding

6.7

Food

5.9

Entertainment

5.5

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 25m. 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 City, London Heathrow - Belfast Intl 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Northern Ireland (average of £40). Flying from London Heathrow Airport to Northern Ireland in August is currently the most expensive (average of £85). 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

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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 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 9 October 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£31Average£72FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£79Average£119FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£130Average£178FlexibilityNo 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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