Cheap flights from London Heathrow Airport to Northern Ireland from £38
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 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Return
1 adult
Economy
0 bags
Deals available from 900+ travel sites.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Northern Ireland
Round-trip
One-way
Last minute
Direct
Cheap return flights
These are some of the best return flight deals from London Heathrow Airport to Northern Ireland that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Northern Ireland.
Cheap last-minute flights
Planning a quick getaway from London Heathrow Airport to Northern Ireland? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Northern Ireland, so you can enjoy a seamless trip without stopovers.
British Airways flights from London Heathrow Airport to Northern Ireland
Our best British Airways deals on London Heathrow Airport to Northern Ireland flight tickets
British Airways![British Airways]()
23 Apr![British Airways]()
29 Apr
LHR07:40London Heathrow
1h 20m
BHD09:00Belfast City
BHD20:20Belfast City
1h 20m
LHR21:40London Heathrow
British Airways![British Airways]()
3 May![British Airways]()
6 May
LHR19:20London Heathrow
1h 25m
BHD20:45Belfast City
BHD20:20Belfast City
1h 20m
LHR21:40London Heathrow
KLM flights from London Heathrow Airport to Northern Ireland
Our best KLM deals on London Heathrow Airport to Northern Ireland flight tickets
KLM![KLM]()
8 May![KLM]()
11 May
LHR14:45London Heathrow
6h 30m
1 stop
BHD21:15Belfast City
BHD06:30Belfast City
4h 15m
1 stop
LHR10:45London Heathrow
KLM![KLM]()
8 May![KLM]()
11 May
LHR14:45London Heathrow
6h 30m
1 stop
BHD21:15Belfast City
BHD06:30Belfast City
4h 15m
1 stop
LHR10:45London Heathrow
See travel insights to Northern Ireland from
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
Prices
Airlines
Other information
What is the cheapest month to fly to Northern Ireland?
In general, March 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 £99. If you’re not able to fly to Northern Ireland in March, then February is your next best option. Flight prices from London Heathrow Airport to Northern Ireland during February average around £104.
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 £106. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £122. 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 £124 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £171 on average. Flights to Northern Ireland from London Heathrow Airport at midday 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 19 weeks ahead of your departure date. In general, you can expect to find flights to Northern Ireland for around £121 when searching 19 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 £80 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, Loganair, and Aer Lingus 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 77% 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 February 2025, there are 32 flights per day flying from London Heathrow Airport to Northern Ireland. The most common time of day flights depart is 17:00, with 46% of flights taking off in the afternoon.
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 228 per week as of February 2025. The most frequent departure day is Mon, with 21% 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 | £38 |
|---|---|
Fastest flight time | 1h 15m |
Direct flights | Every day |
Airports in Northern Ireland | 3 airports |
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 February 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 36.18% of all bookings. The subsequent popular models are Airbus A319 at 31.53%, Embraer ERJ-145 at 10.27%, and Airbus A320neo at 10.01%.
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 £38 | Free Cancellation | Rating 6.9 1,812 reviews | |||
| PriceFrom £80 | Free Cancellation | Rating 6.6 6,753 reviews | |||
| PriceFrom £135 | Free Cancellation | Rating 8.4 17 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.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to Northern Ireland
Popular Cities in Northern Ireland
Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom £30
Flights to Manchesterfrom £26
Flights to Birminghamfrom £37
Flights to Edinburghfrom £25
Flights to Belfastfrom £29
Flights to Glasgowfrom £40
Flights to Bristolfrom £44
Flights to Newcastle upon Tynefrom £47
Flights to Aberdeenfrom £40
Flights to Liverpoolfrom £48
Flights to Leedsfrom £29
Flights to Invernessfrom £26