Cheap flights from London Heathrow Airport to Belfast from £30
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 Belfast departing on 24/9. 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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How to get the cheapest flight ticket from London Heathrow Airport to Belfast
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 Belfast?
The cheapest month to fly to Belfast from London Heathrow Airport is in January. Flight prices, which tend to average around £98, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £98.
What is the cheapest day to depart on your flight to Belfast?
The cheapest day to depart on your flight to Belfast is on a Tuesday when prices can be found for as low as £61. This is often the case because there is less demand to fly during this day of the week. Flights from London Heathrow Airport to Belfast on a Sunday will generally be more expensive and average around £71. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Belfast?
The cheapest time of day to fly to Belfast is in the morning when flights can be purchased for as low as £82. Flights to Belfast are more costly in the afternoon, with an average ticket price of £112. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest London Heathrow to Belfast flight route?
Fly from London Heathrow to Belfast City for the best London Heathrow - Belfast flight prices
How far in advance should I book a flight to Belfast?
You are more likely to see cheaper flights to Belfast from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast for around £124 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belfast from London Heathrow Airport for as low as £85 on momondo.
What cabin class options are available on London Heathrow to Belfast flights?
There are 3 cabin classes available to choose from on London Heathrow to Belfast 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 Belfast?
British Airways is the most popular carrier operating from London Heathrow to Belfast
Which airlines fly to Belfast?
British Airways, Loganair and easyJet are the top three most popular airlines that fly to Belfast from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 85% of people opting to fly with this airline when travelling to Belfast. Keep in mind that there are 3 different airlines that fly to Belfast on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Belfast on average per day?
The number of flights available between London Heathrow Airport and Belfast is 12 per day as of July 2025. The most frequent departure time is 19:00, with 39% of daily flights leaving at midday.
How many flights depart from London Heathrow Airport to Belfast on average per week?
As of July 2025, 88 flights take off from London Heathrow Airport and land in Belfast each week. The most common flight departure day for this route is Thu, with 47% of weekly flights taking off on this day.
Cheap London Heathrow Airport to Belfast flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Belfast
How far is London Heathrow to Belfast by plane?
Belfast is 313.2 mi away from London Heathrow. A reasonable flight in good conditions will take 1h 20m.
When did momondo last update prices for flights from London Heathrow Airport to Belfast?
Prices for flights from London Heathrow Airport to Belfast refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Belfast?
There are 2 operators available for flights from London Heathrow Airport to Belfast as of July 2025.
How old do you have to be to fly from London Heathrow Airport to Belfast?
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 Belfast.
What documentation or ID do you need to fly to Belfast?
The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from London Heathrow Airport to Belfast
Compare and see reviews for airlines that fly from London Heathrow Airport to Belfast with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £30 | Free Cancellation | Rating 6.9 1,817 reviews | |||
| PriceFrom £77 | Free Cancellation | Rating 6.6 7,103 reviews | |||
| PriceFrom £127 | Free Cancellation | Rating 8.5 18 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Belfast?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Belfast. momondo saves you time and could save you money on your trip.
Can I find flights from London to Belfast with flexible booking policies on momondo?
Flights from London to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from London to Belfast?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Belfast.
I’m not ready to book a flight from London to Belfast right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.