Travellers have found it’s best to book a flight 59 days in advance to save up to 46% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 59 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Heathrow to Northern Ireland 1-2 weeks in advance for as low as £89, or £112 for flights within the next 24 hours.
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 Heathrow and Northern Ireland 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.
British Airways, Aer Lingus, and easyJet are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Yes, there are multiple flights from Heathrow to Northern Ireland for under £145. The cheapest flight booked recently is on British Airways for just £81, but on average you can expect to pay £91.
Cheapflights has 20 direct flights from Heathrow to Northern Ireland under £145. A good price for a direct flight from Heathrow to Northern Ireland is less than £91.
There are currently 20+ open flights from Heathrow to Northern Ireland within the next 7 days for less than £145.
Consider British Airways, Flybe or Aer Lingus when booking your flight. These represent the most popular airlines when flying from Heathrow to Northern Ireland.
The most popular route from Heathrow to Northern Ireland is London Heathrow - Belfast City. You may also consider London Heathrow - Belfast Intl or London Heathrow - Londonderry Eglinton.
On average you can expect to pay £107 for a flight from Heathrow to Northern Ireland. The cheapest flight overall is £49 while the most popular route, (London Heathrow - Belfast City) is currently priced at £80.
Departing from Heathrow to Northern Ireland will take you 1h 20m. All flights are typically direct.
Our cheapest airline available from Heathrow to Northern Ireland is British Airways. Our recent data shows that you can find tickets from as low as £82 on this airline. An additional option worth looking into is Aer Lingus, starting at £96.
The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £40. However, be on the lookout for offers from Aer Lingus and KLM, as they are both options that can get you from Heathrow to Northern Ireland for a low price.
||£75||£147||No cancel fee||86%||
Search easyJet flights
||£110||£177||No cancel fee||N/A||
Search Aer Lingus flights
||£95||£214||No cancel fee||70%||
Search British Airways flights
||£126||£264||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