How long is the flight from Northern Ireland to London Heathrow Airport?

Departing from Northern Ireland to London Heathrow Airport will take you 1h 25m. Airlines will cover a distance of 312 mi. All flights are typically direct.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Northern Ireland to London Heathrow Airport?

The most popular route from Northern Ireland to London Heathrow Airport is Belfast City - London Heathrow. You may also consider Belfast Intl - London Heathrow or Londonderry Eglinton - London Heathrow.

What are the most popular airlines that fly from Northern Ireland to London Heathrow Airport?

Before booking your flight from Northern Ireland to London Heathrow Airport check out the most popular airlines for this route: British Airways, Loganair or easyJet.

Can I find deals for flights from Northern Ireland to Heathrow that include hotel bookings?

Yes. In addition to deals on Northern Ireland to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Northern Ireland to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Heathrow.

Can I find deals for business class flights from Northern Ireland to Heathrow?

Yes. Cheapflights offers flight deals from Northern Ireland to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£63+ Cheap Flights from Northern Ireland to London Heathrow Airport

Cheap flight deals from Northern Ireland to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Northern Ireland to Heathrow
Explore the most affordable flight options available from Northern Ireland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Wed 18/1117:35 -

Nonstop1h 20m

Sun 22/1113:50 -

Nonstop1h 25m

Deal found 28/9£85

Wed 25/1109:15 -

Nonstop1h 25m

Sun 29/1112:50 -

Nonstop1h 25m

Deal found 28/9£101

Thu 5/1120:00 -

Nonstop1h 15m

Sun 8/1109:45 -

Nonstop1h 25m

Deal found 27/9£101

Sat 7/1106:35 -

Nonstop1h 35m

Sun 8/1109:45 -

Nonstop1h 25m

Deal found 29/9£106

Fri 20/1119:40 -

Nonstop1h 15m

Sun 22/1112:50 -

Nonstop1h 25m

Deal found 28/9£109

Fri 9/1019:35 -

Nonstop1h 15m

Sun 11/1008:45 -

Nonstop1h 20m

Deal found 25/9£110

Mon 9/1106:35 -

Nonstop1h 35m

Sat 14/1115:55 -

Nonstop1h 30m

Deal found 29/9£113

Sun 20/1220:30 -

Nonstop1h 15m

Tue 5/118:45 -

Nonstop1h 25m

Deal found 29/9£114

Thu 5/1118:05 -

Nonstop1h 30m

Sun 8/1111:20 -

Nonstop1h 30m

Deal found 29/9£168

Wed 11/1114:00 -

Nonstop1h 30m

Wed 18/1108:45 -

Nonstop1h 30m

Deal found 27/9£172

Thu 15/1007:00 -

1 stop9h 40m

Sun 18/1020:30 -

1 stop11h 45m

Deal found 29/9£173

Fri 16/1006:30 -

Nonstop1h 30m

Mon 19/1020:20 -

Nonstop1h 25m

Deal found 26/9£176

Best flights from Northern Ireland to Heathrow
Discover carefully curated flight deals from Northern Ireland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Thu 5/1111:05 -

Nonstop1h 25m

Thu 5/1115:25 -

Nonstop1h 30m

Deal found 28/9£113

Thu 5/1118:05 -

Nonstop1h 30m

Sun 8/1111:20 -

Nonstop1h 30m

Deal found 25/9£168

Sat 31/1017:15 -

1 stop14h 25m

Sat 7/1116:25 -

1 stop16h 45m

Deal found 28/9£187

Tue 10/1107:05 -

1 stop14h 20m

Tue 17/1106:20 -

1 stop5h 10m

Deal found 26/9£200

Tue 8/1206:35 -

Nonstop1h 35m

Thu 10/1213:10 -

Nonstop1h 25m

Deal found 27/9£113

Tue 2/306:35 -

Nonstop1h 35m

Tue 2/315:55 -

Nonstop1h 30m

Deal found 29/9£114

Thu 3/1214:10 -

Nonstop1h 25m

Thu 3/1217:40 -

Nonstop1h 25m

Deal found 29/9£132

Wed 11/1106:30 -

Nonstop1h 30m

Wed 18/1108:45 -

Nonstop1h 30m

Deal found 27/9£169

Sat 14/1114:00 -

Nonstop1h 30m

Sat 21/1116:10 -

Nonstop1h 25m

Deal found 30/9£169

Sun 24/109:40 -

1 stop22h 00m

Sun 31/111:45 -

1 stop21h 25m

Deal found 26/9£187

Mon 26/1011:15 -

1 stop6h 15m

Mon 2/1120:15 -

Nonstop1h 25m

Deal found 25/9£206

Thu 19/1117:15 -

1 stop3h 35m

Mon 23/1120:25 -

1 stop12h 45m

Deal found 29/9£196

Wed 28/1011:40 -

Nonstop1h 25m

Thu 29/1006:35 -

Nonstop1h 25m

Deal found 25/9£169

Thu 12/1117:15 -

1 stop3h 35m

Sun 15/1120:25 -

1 stop12h 45m

Deal found 28/9£209

Fri 11/1214:00 -

Nonstop1h 30m

Mon 14/1216:10 -

Nonstop1h 25m

Deal found 29/9£181

Fri 16/1006:30 -

Nonstop1h 30m

Mon 19/1020:20 -

Nonstop1h 25m

Deal found 26/9£181

Thu 5/1109:40 -

1 stop6h 25m

Sun 8/1114:05 -

1 stop19h 05m

Deal found 25/9£221

Thu 5/1109:05 -

2 stops8h 55m

Sun 8/1114:05 -

1 stop8h 00m

Deal found 29/9£292

Thu 26/1117:15 -

1 stop3h 35m

Mon 30/1111:45 -

1 stop21h 25m

Deal found 29/9£221

Wed 14/1009:35 -

1 stop10h 30m

Wed 21/1020:50 -

1 stop12h 55m

Deal found 30/9£294

Wed 14/1018:10 -

Nonstop1h 30m

Sun 18/1011:20 -

Nonstop1h 30m

Deal found 27/9£203

Sat 10/1010:10 -

1 stop8h 10m

Sun 11/1021:40 -

1 stop10h 30m

Deal found 25/9£302

Wed 14/1020:35 -

Nonstop1h 15m

Sat 17/1007:30 -

Nonstop1h 20m

Deal found 25/9£212

Thu 12/1108:50 -

1 stop7h 45m

Thu 19/1119:20 -

1 stop11h 40m

Deal found 28/9£311

Mon 19/1014:00 -

Nonstop1h 30m

Mon 26/1008:45 -

Nonstop1h 30m

Deal found 28/9£224

Sat 31/1007:00 -

1 stop9h 35m

Mon 2/1108:55 -

1 stop11h 15m

Deal found 25/9£323

Fri 20/1109:50 -

1 stop7h 10m

Tue 24/1106:20 -

1 stop5h 10m

Deal found 26/9£326

Fri 11/1214:05 -

2 stops5h 30m

Mon 14/1214:25 -

1 stop7h 30m

Deal found 29/9£334

Thu 29/1010:10 -

1 stop5h 55m

Mon 2/1108:40 -

1 stop5h 15m

Deal found 30/9£346

Tue 27/1007:05 -

1 stop14h 20m

Tue 3/1106:20 -

1 stop5h 10m

Deal found 27/9£348

Find flight deals from Northern Ireland to Heathrow

Round-trip from	£85
One-way from	£63
Popular in	July
Cheapest in	March
Average price	£60
Good round-trip deal	£197 or less
Good one-way deal	£103 or less

British Airways
18/11-22/11
Nonstop
2h 45m total
Northern Ireland to London

Search Deals

British Airways
17/11-31/12
Nonstop
1h 20m total
Northern Ireland to London

Search Deals

Highest demand for flights based on searches. 28% potential increase in price (£20 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Northern Ireland to London Heathrow.

Search Deals

Price to beat on a one-way flight from Northern Ireland to London Heathrow.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Thu 12/11

17:50-19:05

Nonstop1h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£70

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Fri 6/11

06:45-08:20

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£73

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Mon 23/11

17:35-18:55

Nonstop1h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Fri 27/11

06:45-08:20

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Tue 24/11

19:30-20:45

Nonstop1h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Sun 25/10

20:30-21:45

Nonstop1h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Tue 1/12

10:00-11:25

Nonstop1h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

LondonderryLondon

LDY Londonderry Eglinton - LHR London Heathrow

LDYLHR

Londonderry Eglinton

Mon 16/11

18:05-19:35

Nonstop1h 30m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£86

BelfastLondon

BFS Belfast Intl - LHR London Heathrow

BFSLHR

Belfast Intl

Wed 7/10

06:15-14:15

1 stop8h 00m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£86

LondonderryLondon

LDY Londonderry Eglinton - LHR London Heathrow

LDYLHR

Londonderry Eglinton

Mon 21/12

14:00-15:30

Nonstop1h 30m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£86

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Showing 1-10 of 59 resultsSorted by cheapest first

...

Best time to book a flight from Northern Ireland to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Northern Ireland with our price prediction graph.

BHD-LHR

LDY-LHR

BFS-LHR

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 Northern Ireland to London Heathrow Airport

GBNIR-LHR

BHD-LHR

LDY-LHR

BFS-LHR

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

Currently, December is the cheapest month in which you can book a flight from Northern Ireland to London Heathrow Airport (average of £123). Flying from Northern Ireland to London Heathrow Airport in July is currently the most expensive (average of £166). 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 NIR to LHR?

It’s optimal to fly from Northern Ireland to London Heathrow Airport at midday. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost for a return flight from Northern Ireland to London Heathrow Airport?

Airfare is above average for this route at the moment.

Northern Ireland to London Heathrow Airport flights typically cost between £112 and £148 in October.
The cheapest return price found within the last 5 days was £173 on Multiple Airlines (15 Oct–18 Oct).

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

To ensure you get the cheapest price possible for a flight from Northern Ireland to London Heathrow Airport, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Travellers seeking maximum savings on their Northern Ireland to London Heathrow Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

How long is the flight from Northern Ireland to London Heathrow Airport?
Departing from Northern Ireland to London Heathrow Airport will take you 1h 25m. Airlines will cover a distance of 312 mi. All flights are typically direct.
What are the most popular routes from Northern Ireland to London Heathrow Airport?
The most popular route from Northern Ireland to London Heathrow Airport is Belfast City - London Heathrow. You may also consider Belfast Intl - London Heathrow or Londonderry Eglinton - London Heathrow.
Can I find deals for flights from Northern Ireland to Heathrow that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Heathrow.
Can I find deals for business class flights from Northern Ireland to Heathrow?
Yes. Cheapflights offers flight deals from Northern Ireland to Heathrow 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 Northern Ireland to London Heathrow Airport?
Currently, December is the cheapest month in which you can book a flight from Northern Ireland to London Heathrow Airport (average of £123). Flying from Northern Ireland to London Heathrow Airport in July is currently the most expensive (average of £166). 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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Top 3 airlines flying from Northern Ireland to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£55	Average£67	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
British Airways	Cheapest£92	Average£167	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Loganair	Cheapest£146	Average£199	FlexibilityNo cancel fee	On-time79%	Search Loganair flights

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

Cheapflights helps you search for flights from Northern Ireland to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Northern Ireland.

Can Cheapflights find flights from Northern Ireland to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Northern Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Northern Ireland to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Northern Ireland to London Heathrow Airport from £63

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Heathrow

Cheapest flights from Northern Ireland to HeathrowExplore the most affordable flight options available from Northern Ireland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Explore the most affordable flight options available from Northern Ireland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Northern Ireland to HeathrowDiscover carefully curated flight deals from Northern Ireland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Discover carefully curated flight deals from Northern Ireland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Direct flights from Northern Ireland to HeathrowExplore direct flight options from Northern Ireland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 September 2026.

Explore direct flight options from Northern Ireland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 September 2026.

Last-minute flights from Northern Ireland to HeathrowDiscover last-minute flight deals from Northern Ireland to Heathrow. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Heathrow. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Northern Ireland to HeathrowSearch for one-way flight options from Northern Ireland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Search for one-way flight options from Northern Ireland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Find flight deals from Northern Ireland to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Northern Ireland to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Northern Ireland with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from NIR to LHR?

Find hourly flight availability from Northern Ireland to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 September 2026.

It’s optimal to fly from Northern Ireland to London Heathrow Airport at midday. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost for a return flight from Northern Ireland to London Heathrow Airport?

Airfare is above average for this route at the moment.

Northern Ireland to London Heathrow Airport flights typically cost between £112 and £148 in October.The cheapest return price found within the last 5 days was £173 on Multiple Airlines (15 Oct–18 Oct).

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

To ensure you get the cheapest price possible for a flight from Northern Ireland to London Heathrow Airport, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Use this chart to determine the cheapest time to fly return from Northern Ireland to Heathrow. Price data was last updated on 26 September 2026.

Related info for your journey

How long is the flight from Northern Ireland to London Heathrow Airport?

What are the most popular routes from Northern Ireland to London Heathrow Airport?

Can I find deals for flights from Northern Ireland to Heathrow that include hotel bookings?

How can I find direct flights from Northern Ireland to Heathrow?

Can I find deals for business class flights from Northern Ireland to Heathrow?

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

Travelling to a place near London Heathrow Airport?

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 Northern Ireland to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Northern Ireland to Heathrow by cabin class

Find flights from Northern Ireland to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 September 2026.

Northern Ireland and Heathrow flights

Browse other Northern Ireland and Heathrow flight options. Last updated on 30 September 2026.

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Top 3 airlines flying from Northern Ireland to Heathrow

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

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

Can Cheapflights find flights from Northern Ireland to Heathrow with no change fees?

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

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Cheapest flights from Northern Ireland to Heathrow
Explore the most affordable flight options available from Northern Ireland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Northern Ireland to Heathrow
Discover carefully curated flight deals from Northern Ireland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Direct flights from Northern Ireland to Heathrow
Explore direct flight options from Northern Ireland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 September 2026.

Last-minute flights from Northern Ireland to Heathrow
Discover last-minute flight deals from Northern Ireland to Heathrow. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Northern Ireland to Heathrow
Search for one-way flight options from Northern Ireland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Northern Ireland to London Heathrow Airport flights typically cost between £112 and £148 in October.
The cheapest return price found within the last 5 days was £173 on Multiple Airlines (15 Oct–18 Oct).