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Cheap flights from London Heathrow Airport to Northern Ireland from £35

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BFS
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

£87

One-way from

£35

Popular in

July

Cheapest in

January

Average price

£55

Good round-trip deal

£97 or less

Good one-way deal

£61 or less
British Airways
  • British Airways
  • 23/4-30/4
  • Nonstop
  • 2h 40m total
  • London to Northern Ireland
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British Airways
  • British Airways
  • 25/6
  • Nonstop
  • 1h 20m total
  • London to Northern Ireland
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£12 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from London Heathrow to Northern Ireland.
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Price to beat on a one-way flight from London Heathrow to Northern Ireland.
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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 25 March 2025.

Fri 3/1019:20LHR - BHD
Nonstop1h 25mBritish Airways
Mon 6/1019:30BHD - LHR
Nonstop1h 20mBritish Airways
Deal found 24/3£82
Thu 16/1008:45LHR - LDY
Nonstop1h 30mLoganair
Sun 19/1009:05LDY - LHR
Nonstop1h 30mLoganair
Deal found 24/3£140
Mon 21/407:45LHR - BHD
Nonstop1h 20mMultiple Airlines
Mon 5/518:45BHD - LHR
1 stop27h 00mMultiple Airlines
Deal found 24/3£146
Wed 7/506:45LHR - BFS
1 stop7h 50mMultiple Airlines
Tue 13/516:40BFS - LHR
1 stop6h 00mMultiple Airlines
Deal found 24/3£155
Fri 6/606:45LHR - LDY
1 stop7h 00mMultiple Airlines
Tue 10/614:00LDY - LHR
Nonstop1h 30mMultiple Airlines
Deal found 25/3£169
Thu 15/508:45LHR - LDY
Nonstop1h 30mBritish Airways
Sun 18/509:05LDY - LHR
Nonstop1h 30mBritish Airways
Deal found 25/3£183
Tue 23/911:45LHR - BHD
1 stop9h 30mKLM
Tue 30/917:25BHD - LHR
1 stop15h 35mKLM
Deal found 24/3£209

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 25 March 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 23/4

06:25-07:45

Nonstop1h 20m

Belfast City

Wed 30/4

16:05-17:25

Nonstop1h 20m

£87

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Mon 21/4

07:45-09:05

Nonstop1h 20m

Belfast City

Mon 5/5

18:45-21:45

1 stop27h 00m

£146

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Wed 7/5

06:45-14:35

1 stop7h 50m

Belfast Intl

Tue 13/5

16:40-22:40

1 stop6h 00m

£155

LondonLondonderry

LHR - LDY

LHRLDY

London Heathrow

Tue 26/8

16:15-17:40

Nonstop1h 25m

Londonderry Eglinton

Wed 27/8

18:05-19:35

Nonstop1h 30m

£155

LondonLondonderry

LHR - LDY

LHRLDY

London Heathrow

Fri 6/6

06:45-13:45

1 stop7h 00m

Londonderry Eglinton

Tue 10/6

14:00-15:30

Nonstop1h 30m

£169

LondonLondonderry

LHR - LDY

LHRLDY

London Heathrow

Thu 15/5

08:45-10:15

Nonstop1h 30m

Londonderry Eglinton

Sun 18/5

09:05-10:35

Nonstop1h 30m

£183

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 16/5

06:30-16:55

1 stop10h 25m

Belfast City

Sun 18/5

17:25-09:00

1 stop15h 35m

£234

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Wed 25/6

07:40-09:00

Nonstop1h 20m

£35

LondonLondonderry

LHR - LDY

LHRLDY

London Heathrow

Tue 6/5

20:20-21:45

Nonstop1h 25m

£70

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Sun 17/8

07:35-23:30

1 stop15h 55m

£74

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 17 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 25 March 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.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

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.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

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).

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 25 March 2025.
Get a feel of what it's like to fly with KLM, Air France and Aer Lingus from London to Northern Ireland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,423 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Aer Lingus
7.0
Good
1,061 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,712 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 cheapest airlines to fly from London Heathrow Airport to Northern Ireland one-way?

    One-way options have recently been found by users for as low as £35 on British Airways. Other airlines that offer cheap prices include Loganair from £70 and Aer Lingus from £157 one-way.

  • 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, 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

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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£36Average£80FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£79Average£147FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£132Average£180FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

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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?

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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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