Cheap flights from Northern Ireland to Heathrow

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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 London Heathrow Airport?

Find a great deal and save up to 52% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Northern Ireland to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at £90.

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

March is one of the best times of the year to fly to London Heathrow Airport from Northern Ireland. Prices for March average £82 per person but you can even find prices for as low as £43. The most expensive prices can be found in the month of July. Opting for a March flight can save you 11% on your journey compared to booking in March

When is the cheapest time to fly from Northern Ireland to London Heathrow Airport (NIR - LHR)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to London Heathrow Airport as you normally would.

Cheap flights from Northern Ireland to Heathrow in October, November 2021

The best prices found for Northern Ireland to LHR flights in October, November
13 Nov - 14 Nov
£83pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
14 Nov - 15 Nov
£83pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
14 Nov - 15 Nov
£84pp
BHD
Belfast City
British Airways
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
11 Dec - 6 Jan
£70pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
23 Dec - 2 Jan
£72pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
10 Dec - 9 Jan
£76pp
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
9 Mar - 22 Mar
£67pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
22 Jan - 29 Jan
£67pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
3 Feb - 6 Feb
£69pp
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
26 Oct - 9 Nov
£91pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
26 Oct - 9 Nov
£91pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City
31 Oct - 31 Oct
£93pp
BHD
Belfast City
British Airways
Direct
LHR
London Heathrow
LHR
London Heathrow
British Airways
Direct
BHD
Belfast City

One-way flights to Heathrow from Northern Ireland

The cheapest one-way flights from Northern Ireland to Heathrow
13:40 - 14:55
Aer Lingus
Direct
1h 15m
BHD - LHR
Aer Lingus
£71
AerLingus
04:40 - 08:55
Multiple Airlines
1 stop
4h 15m
BHD - LHR
Multiple Airlines

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

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 London Heathrow Airport for under £100 on Cheapflights?

Yes, there are multiple flights from Northern Ireland to London Heathrow Airport for under £100. The cheapest flight booked recently is on British Airways for just £67, but on average you can expect to pay £75.

Are there direct flights from Northern Ireland to London Heathrow Airport for under £100 on Cheapflights?

Cheapflights has 20 direct flights from Northern Ireland to London Heathrow Airport under £100. A good price for a direct flight from Northern Ireland to London Heathrow Airport is less than £75.

Are there last-minute flights available from Northern Ireland to London Heathrow Airport for under £100?

There are currently 20+ open flights from Northern Ireland to London Heathrow Airport within the next 7 days for less than £100.

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, Flybe or Aer Lingus.

What are the cheapest flights from Northern Ireland to London Heathrow Airport?

Looking for the cheapest flight from Northern Ireland to London Heathrow Airport? While on average our users pay £90, our data indicates the cheapest price to be £35. The most popular route (Belfast Intl - London Heathrow), is priced around £69.

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 Intl - London Heathrow. You may also consider Belfast City - London Heathrow or Londonderry Eglinton - London Heathrow.

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 from Northern Ireland to London Heathrow
1h 21m
Average temperature for October in Heathrow
16.0 °C
Avg rainfall for October in Heathrow
66.0 mm

Airports servicing

Airports servicing London

Top 5 airlines flying from Northern Ireland to London 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
£19 £75 No cancel fee N/A
Search Ryanair flights
easyJet
£49 £94 No cancel fee 86%
Search easyJet flights
Flybe
£68 £162 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
British Airways
£74 £123 No cancel fee 70%
Search British Airways flights
Aer Lingus
£82 £129 No cancel fee N/A
Search Aer Lingus flights
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