Cheap flights from London Heathrow Airport to Northern Ireland from £35
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Northern Ireland departing on 13/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Northern Ireland
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British Airways flights from London Heathrow Airport to Northern Ireland
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KLM flights from London Heathrow Airport to Northern Ireland
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How to get the cheapest flight ticket from London Heathrow Airport to Northern Ireland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Northern Ireland?
In general, January is the cheapest month to fly from London Heathrow Airport to Northern Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £98. If you’re not able to fly to Northern Ireland in January, then March is your next best option. Flight prices from London Heathrow Airport to Northern Ireland during March average around £98.
What is the cheapest day to depart on your flight to Northern Ireland?
The cheapest day to depart from London Heathrow Airport to Northern Ireland is on a Wednesday. Travellers who choose to depart for Northern Ireland on a Wednesday will often find tickets for as low as £99. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £114. These prices are subject to change though, so be sure to set up a Price Alert for flights to Northern Ireland.
What is the cheapest time of day to depart on your flight to Northern Ireland?
Flying to Northern Ireland from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as £117 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £142 on average. Flights to Northern Ireland from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest London Heathrow to Northern Ireland flight route?
Fly from London Heathrow to Belfast City for the best London Heathrow - Northern Ireland flight prices
How far in advance should I book a flight to Northern Ireland?
You are more likely to see cheaper flights to Northern Ireland from London Heathrow Airport when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Northern Ireland for around £125 when searching 23 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Northern Ireland from London Heathrow Airport for as low as £85 on momondo.
What cabin class options are available on London Heathrow to Northern Ireland flights?
There are 3 cabin classes available to choose from on London Heathrow to Northern Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Northern Ireland?
British Airways and Loganair are the most popular carriers operating from London Heathrow to Northern Ireland
Which airlines fly to Northern Ireland?
British Airways, easyJet and Loganair are the top three most popular airlines that fly to Northern Ireland from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 84% of people opting to fly with this airline when travelling to Northern Ireland. Keep in mind that there are 3 different airlines that fly to Northern Ireland on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Northern Ireland on average per day?
As of June 2025, there are 27 flights per day flying from London Heathrow Airport to Northern Ireland. The most common time of day flights depart is 19:00, with 37% of flights taking off at midday.
How many flights depart from London Heathrow Airport to Northern Ireland on average per week?
The number of flights available between London Heathrow Airport and Northern Ireland is 191 per week as of June 2025. The most frequent departure day is Wed, with 28% of weekly flights leaving on this day.
Cheap London Heathrow Airport to Northern Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Northern Ireland
Best price found | £35 |
|---|---|
Fastest flight time | 1h 15m |
Direct flights | Every day |
Airports in Northern Ireland | 1 airport |
When did momondo last update prices for flights from London Heathrow Airport to Northern Ireland?
Prices for flights from London Heathrow Airport to Northern Ireland are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Northern Ireland?
As of June 2025, there are 3 operators available to choose from for flights from London Heathrow Airport to Northern Ireland.
How old do you have to be to fly from London Heathrow Airport to Northern Ireland?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The necessary travel and health documents for your Northern Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Northern Ireland?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Northern Ireland is Airbus A320-100/200, representing 34.67% of all bookings. The subsequent popular models are Airbus A319 at 30.99%, Airbus A320neo at 10.24%, and Embraer ERJ-145 at 9.25%.
Best airlines flying from London Heathrow Airport to Northern Ireland
Compare and see reviews for airlines that fly from London Heathrow Airport to Northern Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £31 | Free Cancellation | Rating 6.9 1,813 reviews | |||
| PriceFrom £77 | Free Cancellation | Rating 6.6 7,031 reviews | |||
| PriceFrom £128 | Free Cancellation | Rating 8.5 18 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Northern Ireland?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Northern Ireland . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Northern Ireland with flexible booking policies on momondo?
All flight searches from London to Northern Ireland on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Northern Ireland?
momondo provides multiple filters to help you find the best flight to Northern Ireland from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to Northern Ireland right now. Can momondo alert me if prices change?
Yes. momondo can track prices for London to Northern Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.