Cheap flights from London to Belfast from £16
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 to Belfast departing on 29/9. 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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Ryanair flights from London to Belfast
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easyJet flights from London to Belfast
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How to get the cheapest flight ticket from London 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 is in January. Flight prices, which tend to average around £37, 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 £45.
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 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 £81. Flights to Belfast are more costly in the afternoon, with an average ticket price of £111. 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 to Belfast flight route?
Fly from London Stansted to Belfast Intl for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast for around £123 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 for as low as £84 on momondo.
What cabin class options are available on London to Belfast flights?
There are 3 cabin classes available to choose from on London 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 to Belfast?
Ryanair, easyJet, and British Airways are the most popular carriers operating from London to Belfast
Which airlines fly to Belfast?
easyJet, British Airways and Ryanair are the top three most popular airlines that fly to Belfast from London according to our data. easyJet is the first choice among our users, with 58% of people opting to fly with this airline when travelling to Belfast. Keep in mind that there are 5 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 to Belfast on average per day?
As of July 2025, there are 21 flights per day flying from London to Belfast. The most common time of day flights depart is 19:00, with 35% of flights taking off in the evening.
How many flights depart from London to Belfast on average per week?
147 flights are operational weekly from London to Belfast as of July 2025. The most popular departure day for this route is Thu, with 41% of flights per week taking off on this day.
Cheap London to Belfast flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Belfast
How far is London to Belfast by plane?
There are 322.0 mi between London and Belfast. 1h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from London to Belfast?
Prices for flights from London to Belfast are refreshed on a daily basis.
How many operators does momondo search for flights from London to Belfast?
There are 4 operators available for flights from London to Belfast as of July 2025.
How old do you have to be to fly from London 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 to Belfast.
What documentation or ID do you need to fly to Belfast?
The required travel and health documents for your Belfast 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 Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from London to Belfast
Compare and see reviews for airlines that fly from London to Belfast with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £29 | Free Cancellation | Rating 6.1 105 reviews | |||
| PriceFrom £29 | Free Cancellation | Rating 6.9 1,816 reviews | |||
| PriceFrom £31 | Free Cancellation | Rating 6.8 5,145 reviews | |||
| PriceFrom £77 | Free Cancellation | Rating 6.6 7,093 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 helps you find the best flight between London and Belfast 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 London to Belfast right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.