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 £37 on British Airways. Other airlines that offer cheap prices include Loganair from £101 and Aer Lingus from £153 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 Intl, London Heathrow - Belfast City and London Heathrow - Londonderry Eglinton.

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

Users have found that booking a flight from London Heathrow Airport to Northern Ireland at least 44 days early can save you up to 161% on average compared to booking a flight this week. If booking 44 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Northern Ireland for as little as £64 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £112 for flights departing within the next 3 days.

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

Flights from London Heathrow Airport to Northern Ireland lean towards being more expensive in July. Prices are generally better when you fly from London Heathrow Airport to Northern Ireland in January, with the cheapest ticket starting at £27.

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.

£35+ Flights from London Heathrow Airport to Northern Ireland - Compare & Save Big

Cheap flight deals from Heathrow to Northern Ireland

Round-trip from	£88
One-way from	£37
Popular in	July
Cheapest in	January
Average price	£66
Good round-trip deal	£109 or less
Good one-way deal	£67 or less

British Airways
11/6-17/7
Nonstop
2h 40m total
London to Northern Ireland

Search Deals

British Airways
31/5
Nonstop
1h 25m total
London to Northern Ireland

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£11 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in May 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 May 2025.

Thu 9/1006:15LHR - BHD

Nonstop1h 20mBritish Airways

Sat 18/1019:00BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 17/5£81

Mon 22/920:20LHR - LDY

Nonstop1h 25mLoganair

Fri 26/918:05LDY - LHR

Nonstop1h 30mLoganair

Deal found 16/5£141

Tue 1/721:20LHR - BFS

1 stop10h 50mMultiple Airlines

Tue 8/716:40BFS - LHR

1 stop5h 10mMultiple Airlines

Deal found 17/5£154

Tue 1/721:35LHR - LDY

1 stop18h 00mMultiple Airlines

Tue 8/718:05LDY - LHR

Nonstop1h 30mMultiple Airlines

Deal found 17/5£163

Tue 30/1209:35LHR - BHD

1 stop3h 35mMultiple Airlines

Sun 4/106:30BHD - LHR

Nonstop1h 35mMultiple Airlines

Deal found 16/5£170

Wed 30/711:45LHR - BHD

1 stop9h 20mKLM

Tue 5/806:30BHD - LHR

1 stop11h 05mKLM

Deal found 16/5£212

Fri 23/508:45LHR - LDY

Nonstop1h 30mBritish Airways

Fri 23/514:00LDY - LHR

Nonstop1h 30mBritish Airways

Deal found 15/5£507

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 May 2025.

Wed 11/609:15LHR - BHD

Nonstop1h 20mBritish Airways

Thu 17/719:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 17/5£88

Tue 1/721:20LHR - BFS

1 stop10h 50mMultiple Airlines

Tue 8/716:40BFS - LHR

1 stop5h 10mMultiple Airlines

Deal found 17/5£154

Tue 1/708:45LHR - LDY

Nonstop1h 30mLoganair

Tue 8/714:00LDY - LHR

Nonstop1h 30mLoganair

Deal found 17/5£166

Wed 30/711:45LHR - BHD

1 stop9h 20mKLM

Tue 5/806:30BHD - LHR

1 stop11h 05mKLM

Deal found 16/5£212

Wed 23/707:40LHR - BHD

Nonstop1h 20mMultiple Airlines

Sat 26/718:45BHD - LHR

1 stop3h 50mMultiple Airlines

Deal found 17/5£162

Tue 1/721:35LHR - LDY

1 stop18h 00mMultiple Airlines

Tue 8/718:05LDY - LHR

Nonstop1h 30mMultiple Airlines

Deal found 17/5£163

Sat 31/518:55LHR - CAL

1 stop22h 20mMultiple Airlines

Wed 4/617:35CAL - LHR

1 stop4h 15mMultiple Airlines

Deal found 15/5£252

Fri 23/508:45LHR - LDY

Nonstop1h 30mBritish Airways

Fri 23/514:00LDY - LHR

Nonstop1h 30mBritish Airways

Deal found 15/5£507

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 May 2025.

Wed 11/609:15LHR - BHD

Nonstop1h 20mBritish Airways

Thu 17/719:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 17/5£88

Tue 1/720:20LHR - LDY

Nonstop1h 25mLoganair

Tue 8/718:05LDY - LHR

Nonstop1h 30mLoganair

Deal found 17/5£166

Fri 23/508:45LHR - LDY

Nonstop1h 30mBritish Airways

Fri 23/514:00LDY - LHR

Nonstop1h 30mBritish Airways

Deal found 15/5£507

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

Sat 17/508:45LHR - LDY

Nonstop1h 30mMultiple Airlines

Fri 26/918:05LDY - LHR

Nonstop1h 30mMultiple Airlines

Deal found 16/5£212

Wed 21/507:40LHR - BHD

Nonstop1h 20mMultiple Airlines

Wed 21/516:55BHD - LHR

2 stops29h 45mMultiple Airlines

Deal found 16/5£190

Fri 23/506:45LHR - LDY

1 stop7h 00mMultiple Airlines

Fri 23/518:05LDY - LHR

Nonstop1h 30mMultiple Airlines

Deal found 16/5£364

Fri 23/508:45LHR - LDY

Nonstop1h 30mLoganair

Fri 23/518:05LDY - LHR

Nonstop1h 30mLoganair

Deal found 16/5£394

Fri 23/508:45LHR - LDY

Nonstop1h 30mBritish Airways

Fri 23/514:00LDY - LHR

Nonstop1h 30mBritish Airways

Deal found 15/5£507

Sun 25/521:40LHR - BHD

1 stop10h 55mMultiple Airlines

Mon 26/512:15BHD - LHR

Nonstop1h 25mMultiple Airlines

Deal found 16/5£266

Mon 26/511:45LHR - BHD

1 stop5h 10mKLM

Fri 30/506:30BHD - LHR

1 stop4h 15mKLM

Deal found 16/5£336

Tue 27/519:20LHR - BHD

Nonstop1h 25mBritish Airways

Sat 31/507:05BHD - LHR

Nonstop1h 25mBritish Airways

Deal found 16/5£102

Tue 27/521:20LHR - BFS

1 stop10h 50mMultiple Airlines

Thu 29/508:20BFS - LHR

1 stop7h 50mMultiple Airlines

Deal found 17/5£208

Sat 31/518:55LHR - CAL

1 stop22h 20mMultiple Airlines

Wed 4/617:35CAL - LHR

1 stop4h 15mMultiple Airlines

Deal found 15/5£252

Wed 4/617:10LHR - BHD

1 stop3h 55mKLM

Sat 7/606:30BHD - LHR

1 stop11h 20mKLM

Deal found 17/5£256

Wed 11/609:15LHR - BHD

Nonstop1h 20mBritish Airways

Thu 17/719:25BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 17/5£88

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 May 2025.

Sat 31/516:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/5£37

Tue 22/706:45LHR - BFS

1 stop4h 35mMultiple Airlines

Deal found 16/5£78

Fri 8/806:45LHR - LDY

1 stop7h 00mMultiple Airlines

Deal found 16/5£90

Sun 15/621:40LHR - BHD

1 stop10h 55mMultiple Airlines

Deal found 16/5£94

Sat 28/608:45LHR - LDY

Nonstop1h 30mLoganair

Deal found 17/5£101

Mon 16/620:20LHR - LDY

Nonstop1h 25mBritish Airways

Deal found 16/5£107

Thu 5/615:10LHR - BHD

2 stops6h 00mAer Lingus

Deal found 17/5£153

Tue 27/506:15LHR - BHD

2 stops10h 40mAir France

Deal found 16/5£223

Tue 3/620:55LHR - BHD

1 stop24h 10mKLM

Deal found 16/5£254

Sun 1/611:20LHR - CAL

2 stops45h 25mLoganair

Deal found 16/5£264

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

Thu 9/10

06:15-07:35

Nonstop1h 20m

Belfast City

Sat 18/10

19:00-20:20

Nonstop1h 20m

£81

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Tue 1/7

21:20-08:10

1 stop10h 50m

Belfast Intl

Tue 8/7

16:40-21:50

1 stop5h 10m

£154

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Wed 23/7

07:40-09:00

Nonstop1h 20m

Belfast City

Sat 26/7

18:45-22:35

1 stop3h 50m

£162

LondonLondonderry

LHR - LDY

LHRLDY

London Heathrow

Tue 1/7

21:35-15:35

1 stop18h 00m

Londonderry Eglinton

Tue 8/7

18:05-19:35

Nonstop1h 30m

£163

LondonLondonderry

LHR - LDY

LHRLDY

London Heathrow

Tue 1/7

08:45-10:15

Nonstop1h 30m

Londonderry Eglinton

Tue 8/7

14:00-15:30

Nonstop1h 30m

£166

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Wed 30/7

11:45-21:05

1 stop9h 20m

Belfast City

Tue 5/8

06:30-17:35

1 stop11h 05m

£212

LondonCampbeltown

LHR - CAL

LHRCAL

London Heathrow

Sat 31/5

18:55-17:15

1 stop22h 20m

Campbeltown Machrihanish

Wed 4/6

17:35-21:50

1 stop4h 15m

£252

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Fri 7/11

06:05-07:30

Nonstop1h 25m

£35

LondonBelfast

LHR - BFS

LHRBFS

London Heathrow

Tue 7/10

06:15-22:40

1 stop16h 25m

£68

LondonBelfast

LHR - BHD

LHRBHD

London Heathrow

Tue 7/10

06:15-10:10

1 stop3h 55m

£73

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 17 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.

Rainfall in Northern Ireland 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

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 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

1,344 reviews

Check prices

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

1,344 reviews

KLM

7.8

Good

1,344 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Air France

7.4

Good

1,451 reviews

KLM

7.8

Good

1,344 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Aer Lingus

7.1

Good

1,091 reviews

KLM

7.8

Good

1,344 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

British Airways

6.6

Okay

6,896 reviews

KLM

7.8

Good

1,344 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Related info for your journey

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 £37 on British Airways. Other airlines that offer cheap prices include Loganair from £101 and Aer Lingus from £153 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 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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Gatwick to Birmingham flights

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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£33	Average£76	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
British Airways	Cheapest£78	Average£141	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Loganair	Cheapest£130	Average£178	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.

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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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 7/11. 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 May 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 May 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 May 2025.

Cheapflights Fare Finder

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

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 May 2025.

Rainfall in Northern Ireland by month

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

Temperature in Northern Ireland by month

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

Reviews of airlines servicing Northern Ireland

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.

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?

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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?

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

Can Cheapflights 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?

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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 May 2025.