Cheap flights from Belfast to London Heathrow Airport from £52
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to London Heathrow Airport departing on 15/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights
These are some of the best return flight deals from Belfast to London 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 Belfast to London.
Cheap last-minute flights
Planning a quick getaway from Belfast to London? 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 London, so you can enjoy a seamless trip without stopovers.
British Airways flights from Belfast to London Heathrow Airport
Our best British Airways deals on Belfast to London Heathrow Airport flight tickets
British Airways![British Airways]()
1 Apr![British Airways]()
3 Apr
BHD20:20Belfast City
1h 20m
LHR21:40London Heathrow
LHR06:15London Heathrow
1h 20m
BHD07:35Belfast City
British Airways![British Airways]()
15 Apr![British Airways]()
30 Apr
BHD20:20Belfast City
1h 20m
LHR21:40London Heathrow
LHR06:25London Heathrow
1h 20m
BHD07:45Belfast City
KLM flights from Belfast to London Heathrow Airport
Our best KLM deals on Belfast to London Heathrow Airport flight tickets
KLM![KLM]()
12 Mar![KLM]()
19 Mar
BHD06:30Belfast City
7h 20m
1 stop
LHR13:50London Heathrow
LHR17:05London Heathrow
3h 55m
1 stop
BHD21:00Belfast City
KLM![KLM]()
20 Mar![KLM]()
25 Mar
BHD06:30Belfast City
9h 35m
1 stop
LHR16:05London Heathrow
LHR17:05London Heathrow
3h 55m
1 stop
BHD21:00Belfast City
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How to get the cheapest flight ticket from Belfast 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 Belfast to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £94. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Belfast averaging around £95.
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 Belfast is on a Thursday. momondo users have found tickets for Thursday departures for as low as £105. 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 £130.
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 Belfast to London Heathrow Airport in the evening for as low as £242. 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 £725 on average. Flights to London Heathrow Airport from Belfast in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Belfast to London Heathrow flight route?
Fly from Belfast City to London Heathrow for the best Belfast - 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 Belfast when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £120 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 Belfast for as low as £90 on momondo.
What cabin class options are available on Belfast to London Heathrow flights?
There are 3 cabin classes available to choose from on Belfast 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 Belfast to London Heathrow?
British Airways and Aer Lingus are the most popular carriers operating from Belfast 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 Belfast according to our data. British Airways is the first choice among our users, with 88% 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 Belfast to London Heathrow Airport on average per day?
As of February 2025, 21 flights take off from Belfast and land in London Heathrow Airport each day. The most common flight departure time for this route is 06:00, with 55% of daily flights taking off at midday.
How many flights depart from Belfast to London Heathrow Airport on average per week?
The number of flights available between Belfast and London Heathrow Airport is 147 per week as of February 2025. The most frequent departure day is Fri, with 29% of weekly flights leaving on this day.
Cheap Belfast to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Belfast to London Heathrow Airport
How far is Belfast to London Heathrow by plane?
Belfast and London Heathrow are 313.2 mi apart from one another. In terms of flight time, this usually takes a little over 1h 20m.
When did momondo last update prices for flights from Belfast to London Heathrow Airport?
Prices for flights from Belfast to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Belfast to London Heathrow Airport?
As of February 2025, there are 2 operators available to choose from for flights from Belfast to London Heathrow Airport.
How old do you have to be to fly from Belfast to London Heathrow Airport?
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 Belfast 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.
Best airlines flying from Belfast to London Heathrow Airport
Compare and see reviews for airlines that fly from Belfast to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £34 | Free Cancellation | Rating 6.9 1,816 reviews | |||
| PriceFrom £76 | Free Cancellation | Rating 6.6 6,762 reviews | |||
| PriceFrom £138 | Free Cancellation | Rating 8.4 17 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsEastbourne
Milton Keynes
Luton
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Stratford-upon-Avon
Southend-on-Sea
Swindon
Ipswich
Northampton
Gatwick
Maidstone
Margate
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Ilford
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Winchester
Why use momondo?
Why should I use momondo to find a flight deal from Belfast to London?
It is quick and easy to find Belfast to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Can I find flights from Belfast to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from Belfast with this policy.
How can momondo help me find flights from Belfast to London?
momondo helps you find the best flight between Belfast and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Belfast to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Belfast to London 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.
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