Cheap flights from Northern Ireland to Heathrow

Return
Economy
Boston (BOS)
London (LHR)
Depart
Return
Any month
Compare vs Cheapflights |

How to find the cheapest flight from
Northern Ireland to Heathrow (LHR)

All the information you need to plan the best null to LHR flight in 2021: compare Northern Ireland to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.
How far in advance should I book a flight from Northern Ireland to Heathrow?

To save on the cost of your flight from Northern Ireland to Heathrow, book at least 58 days before your planned departure. Booking around this time can save you about 37% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £82 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £99.

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

Our data shows that March tends to be the cheapest month to fly to Heathrow from Northern Ireland. Users have commonly found prices around £75 for the month, but tickets can be as low as £47. Due to multiple factors, prepare for potentially higher prices in December.

Cheap flights from Northern Ireland to Heathrow in April, May 2021

The best prices found for Northern Ireland to LHR flights in April, May
12 May - 18 May
£82pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
29 May - 31 May
£84pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
16 May - 18 May
£85pp
BHD
Belfast City
Multiple airlines
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City

Northern Ireland to Heathrow 2021 flight deals

Cheap flights to Heathrow from Northern Ireland found for this year
2 Dec - 3 Dec
£81pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
1 Oct - 7 Oct
£82pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
12 May - 18 May
£82pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City

Direct flights to Heathrow from Northern Ireland

Save time with Northern Ireland to Heathrow direct flight deals
1 Oct - 7 Oct
£82pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
12 May - 18 May
£82pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
8 Jun - 15 Jun
£84pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City

Last-minute flights from Northern Ireland to Heathrow

Late deals on return flights to Heathrow from Northern Ireland, departing today and this week
22 Apr - 24 May
£98pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
23 Apr - 2 May
£135pp
BHD
Belfast City
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
BHD
Belfast City
19 Apr - 26 Apr
£143pp
BHD
Belfast City
Aer Lingus
Direct
LHR
London Heathrow
LHR
London Heathrow
Aer Lingus
Direct
BHD
Belfast City

One-way flights to Heathrow from Northern Ireland

The cheapest one-way flights from Northern Ireland to Heathrow
02:50 - 04:15
British Airways
Direct
1h 25m
BHD - LHR
British Airways
£52
British Airways
13:05 - 14:25
Aer Lingus
Direct
1h 20m
BHD - LHR
Aer Lingus
£105
Gotogate
15:55 - 04:05
Loganair
1 stop
12h 10m
BHD - LHR
Loganair
£113
mytrip.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Northern Ireland</span> to <span class="emphasized">Heathrow</span> flights.

Flight FAQs

From Northern Ireland to Heathrow

Are flight prices decreasing from Northern Ireland to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Northern Ireland and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Northern Ireland to London Heathrow have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Northern Ireland to London Heathrow that may be offering flexible cancellation policies are British Airways, Aer Lingus, and Flybe. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Northern Ireland to Heathrow for under £146 on Cheapflights?

Yes, there are multiple flights from Northern Ireland to Heathrow for under £146. The cheapest flight booked recently is on British Airways for just £82, but on average you can expect to pay £92.

Are there direct flights from Northern Ireland to Heathrow for under £146 on Cheapflights?

Cheapflights has 20 direct flights from Northern Ireland to Heathrow under £146. A good price for a direct flight from Northern Ireland to Heathrow is less than £92.

Are there last-minute flights available from Northern Ireland to Heathrow for under £146?

There are currently 20+ open flights from Northern Ireland to Heathrow within the next 7 days for less than £146.

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

When booking a flight from Northern Ireland to Heathrow, you may want to consider flying on British Airways, Flybe or Aer Lingus as they are the most popular for this route.

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

When deciding which route to take from Northern Ireland to Heathrow, consider Belfast Intl - London Heathrow, Belfast City - London Heathrow or Londonderry Eglinton - London Heathrow, as they are the most popular.

What are the cheapest flights from Northern Ireland to Heathrow?

The cheapest flight price from Northern Ireland to Heathrow is £36. On average you can expect to pay £91. The most popular route, (Belfast Intl - London Heathrow), can usually be booked for £83.

How long does is the flight from Northern Ireland to Heathrow?

There are many flights that can get you from Northern Ireland to Heathrow in 1h 15m. Fly via Aer Lingus or British Airways to get the fastest option. All flights are typically direct.

What are the cheapest airlines to flying from Northern Ireland to Heathrow return?

Flying on British Airways is currently your cheapest option to Heathrow, with prices starting at £82. Another option worth looking into is Aer Lingus, starting at £89 return.

What are the cheapest airlines to fly from Northern Ireland to Heathrow one-way?

£41 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on British Airways and KLM, with prices starting from £46 and £95, respectively.

Departure points for flights from Northern Ireland to Heathrow

Select to see more specific information for flights to Heathrow from all departure points in Northern Ireland.

Destination information for Heathrow

Things to know before you go - useful duration and weather info for your trip from Northern Ireland to Heathrow.
Flight duration
1h 21m
Average temperature for April in Heathrow
14.0 °C
Avg rainfall for April in Heathrow
48.0 mm

Airports servicing

Airports servicing London

Top 5 airlines flying from Northern Ireland to Heathrow

The chart below displays the airlines Cheapflights users travelling from Northern Ireland to Heathrow choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Ryanair
£26 £104 No cancel fee N/A
Search Ryanair flights
easyJet
£67 £130 No cancel fee 86%
Search easyJet flights
British Airways
£102 £170 No cancel fee 70%
Search British Airways flights
Aer Lingus
£113 £178 No cancel fee N/A
Search Aer Lingus flights
Flybe
£93 £224 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Flybe. Please check directly on their website for additional information.

Search Flybe flights
Home Europe United Kingdom England London Heathrow Cheap flights from Northern Ireland to Heathrow
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First