Cheap flights from Northern Ireland to London from £48
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to London departing on 15/10. 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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British Airways flights from Northern Ireland to London Heathrow Airport
Our best British Airways deals on Northern Ireland to London Heathrow Airport flight tickets
British Airways![British Airways]()
12 Dec![British Airways]()
14 Dec
BHD19:35Belfast City
1h 20m
LHR20:55London Heathrow
LHR06:50London Heathrow
1h 25m
BHD08:15Belfast City
British Airways![British Airways]()
2 Dec![British Airways]()
5 Dec
BHD19:25Belfast City
1h 20m
LHR20:45London Heathrow
LHR16:30London Heathrow
1h 30m
BHD18:00Belfast City
Loganair flights from Northern Ireland to London Heathrow Airport
Our best Loganair deals on Northern Ireland to London Heathrow Airport flight tickets
Loganair![Loganair]()
6 Nov![Loganair]()
9 Nov
LDY18:05Londonderry Eglinton
1h 30m
LHR19:35London Heathrow
LHR11:20London Heathrow
1h 30m
LDY12:50Londonderry Eglinton
Loganair![Loganair]()
7 Aug![Loganair]()
11 Aug
LDY06:30Londonderry Eglinton
1h 30m
LHR08:00London Heathrow
LHR20:20London Heathrow
1h 25m
LDY21:45Londonderry Eglinton
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How to get the cheapest flight ticket from Northern Ireland to London Heathrow Airport
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 London Heathrow Airport?
In general, January is the cheapest month to fly from Northern Ireland to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £89. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Northern Ireland averaging around £106.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Northern Ireland is on a Thursday. momondo users have found tickets for Thursday departures for as low as £99. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £122.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Northern Ireland to London Heathrow Airport in the evening for as low as £180. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £688 on average. Flights to London Heathrow Airport from Northern Ireland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Northern Ireland to London Heathrow flight route?
Fly from Belfast City to London Heathrow for the best Northern Ireland - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Northern Ireland when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £119 when searching 26 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Northern Ireland for as low as £86 on momondo.
What cabin class options are available on Northern Ireland to London Heathrow flights?
There are 3 cabin classes available to choose from on Northern Ireland to London Heathrow 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 Northern Ireland to London Heathrow?
British Airways and Loganair are the most popular carriers operating from Northern Ireland to London Heathrow
Which airlines fly to London Heathrow Airport?
British Airways, easyJet and Loganair are the top three most popular airlines that fly to London Heathrow Airport from Northern Ireland according to our data. British Airways is the first choice among our users, with 93% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Northern Ireland to London Heathrow Airport on average per day?
As of June 2025, 19 flights take off from Northern Ireland and land in London Heathrow Airport each day. The most common flight departure time for this route is 06:00, with 42% of daily flights taking off at midday.
How many flights depart from Northern Ireland to London Heathrow Airport on average per week?
The number of flights available between Northern Ireland and London Heathrow Airport is 138 per week as of June 2025. The most frequent departure day is Thu, with 33% of weekly flights leaving on this day.
Cheap Northern Ireland to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to London Heathrow Airport
When did momondo last update prices for flights from Northern Ireland to London Heathrow Airport?
Prices for flights from Northern Ireland to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Northern Ireland to London Heathrow Airport?
There are 3 operators available for flights from Northern Ireland to London Heathrow Airport as of June 2025.
How old do you have to be to fly from Northern Ireland to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Northern Ireland to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Northern Ireland to London Heathrow Airport is Airbus A320-100/200, representing 40.95% of all bookings. The subsequent popular models are Airbus A319 at 36.30%, Airbus A320neo at 7.88%, and Embraer ERJ-145 at 3.73%.
Best airlines flying from Northern Ireland to London Heathrow Airport
Compare and see reviews for airlines that fly from Northern Ireland to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £31 | Free Cancellation | Rating 6.9 1,813 reviews | |||
| PriceFrom £74 | Free Cancellation | Rating 6.6 7,031 reviews | |||
| PriceFrom £130 | Free Cancellation | Rating 8.5 18 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsEastbourne
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Stratford-upon-Avon
Gatwick
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Why use momondo?
Why should I use momondo to find a flight deal from Northern Ireland to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to London for you.
Can I find flights from Northern Ireland to London with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Northern Ireland to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Northern Ireland to London?
Once all potential Northern Ireland to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Northern Ireland to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Northern Ireland to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.
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