Cheap flights from the United Kingdom to Belfast from £15
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Belfast departing on 14/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
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 the United Kingdom to Belfast
Recent return flight deals from the United Kingdom to Belfast
Recent one-way flight deals from the United Kingdom to Belfast
Recent last minute flight deals from the United Kingdom to Belfast
Recent direct flight deals from the United Kingdom to Belfast
Ryanair flights from United Kingdom to Belfast
Our best Ryanair deals on United Kingdom to Belfast flight tickets
easyJet flights from United Kingdom to Belfast
Our best easyJet deals on United Kingdom to Belfast flight tickets
See travel insights to Belfast from
How to get the cheapest flight ticket from United Kingdom 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 United Kingdom 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 £44.
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 £60. This is often the case because there is less demand to fly during this day of the week. Flights from United Kingdom 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 United Kingdom to Belfast flight route?
Fly from Birmingham to Londonderry Eglinton for the best United Kingdom - 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 United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Belfast for around £122 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 United Kingdom for as low as £84 on momondo.
What cabin class options are available on United Kingdom to Belfast flights?
There are 3 cabin classes available to choose from on United Kingdom 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 United Kingdom to Belfast?
Ryanair and easyJet are the most popular carriers operating from United Kingdom to Belfast
Which airlines fly to Belfast?
easyJet, Aer Lingus and Ryanair are the top three most popular airlines that fly to Belfast from United Kingdom according to our data. easyJet is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Belfast. Keep in mind that there are 7 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 United Kingdom to Belfast on average per day?
49 flights are operational daily from United Kingdom to Belfast as of July 2025. The most popular departure time for this route is 19:00, with 35% of flights per day taking off at midday.
How many flights depart from United Kingdom to Belfast on average per week?
As of July 2025, 349 flights take off from United Kingdom and land in Belfast each week. The most common flight departure day for this route is Wed, with 24% of weekly flights taking off on this day.
Cheap United Kingdom to Belfast flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Belfast
When did momondo last update prices for flights from United Kingdom to Belfast?
Prices for flights from United Kingdom to Belfast are updated daily.
How many operators does momondo search for flights from United Kingdom to Belfast?
As of July 2025, there are 5 operators available to choose from for flights from United Kingdom to Belfast.
How old do you have to be to fly from United Kingdom to Belfast?
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 United Kingdom 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 United Kingdom to Belfast
Compare and see reviews for airlines that fly from United Kingdom to Belfast with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £21 | Free Cancellation | Rating 6.1 105 reviews | |||
| PriceFrom £22 | Free Cancellation | Rating 6.8 5,154 reviews | |||
| PriceFrom £28 | Free Cancellation | Rating 6.9 1,819 reviews | |||
| PriceFrom £39 | Free Cancellation | Rating 7.1 1,140 reviews | |||
| PriceFrom £76 | Free Cancellation | Rating 6.6 7,086 reviews | |||
| PriceFrom £81 | Free Cancellation | Rating 8.5 18 reviews | |||
| PriceFrom £191 | Free Cancellation | Rating 7.8 1,366 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from United Kingdom to Belfast?
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 United Kingdom to Belfast for you.
Can I find flights from United Kingdom to Belfast with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Belfast from United Kingdom with this policy.
How can momondo help me find flights from United Kingdom to Belfast?
Once you have performed a search for United Kingdom to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from United Kingdom to Belfast right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from United Kingdom and alert you when they change.