£15 Find Cheap Flights from Northern Ireland to the United Kingdom

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Good to know - Cheap tickets from Northern Ireland to the United Kingdom

Low seasonJanuary
High seasonAugust
Cheapest flight£15
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (3% more expensive on average)
Flight from Belfast Intl Airport to London Luton Airport

FAQs for booking flights from Northern Ireland to the United Kingdom

  • How does KAYAK find such low prices on flights from Northern Ireland to the United Kingdom?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Northern Ireland to the United Kingdom.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Northern Ireland to the United Kingdom?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Northern Ireland to the United Kingdom is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Northern Ireland to the United Kingdom?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Northern Ireland to the United Kingdom with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Northern Ireland to the United Kingdom?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Northern Ireland to the United Kingdom up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in the United Kingdom?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in the United Kingdom is Manchester Airport (MAN), with an average flight price of £38.

  • What is the cheapest day to fly to the United Kingdom?

    Based on KAYAK data, the cheapest day to fly to the United Kingdom is Friday when return tickets can be as cheap as £65. On the other hand, the most expensive day to fly is Saturday, when return prices are £79 on average.

  • What is the cheapest time of day to fly to the United Kingdom?

    The cheapest time of day to fly to the United Kingdom is generally at night, when round-trip flights cost £135 on average. Morning departures are around 46% cheaper than evening flights, on average. The most expensive time of day to fly to the United Kingdom is generally in the evening, which is peak travel time and where the average cost of a ticket is £708.

  • What is the cheapest flight to the United Kingdom?

    The cheapest ticket to the United Kingdom from Northern Ireland found in the last 72 hours was to Manchester, at £23 return. The most popular route is Belfast Intl Airport (BFS) to London Gatwick Airport (LGW) and the cheapest return airline ticket found on this route in the last 72 hours was £28.

  • What is the cheapest month to fly from Northern Ireland to the United Kingdom?

    The cheapest month for flights from Northern Ireland to the United Kingdom is October, when tickets cost £47 (return) on average. On the other hand, the most expensive months are July and May, when the average cost of round-trip tickets is £105 and £96 respectively.

  • How far in advance should I book a flight from Northern Ireland to the United Kingdom?

    To get a below-average price on the flight from Northern Ireland to the United Kingdom, you should book around 6 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

  • How long is the flight to the United Kingdom?

    An average direct flight from Northern Ireland to the United Kingdom takes 2h 18m, covering a distance of 248 miles. The shortest route is Belfast Intl Airport (BFS) to Glasgow Intl Airport (GLA) with an average flight time of 0h 45m.

  • What are the most popular destinations in the United Kingdom?

    Based on KAYAK flight searches, the most popular destination is London (68% of total searches to the United Kingdom). The next most popular destinations are Leeds (7%) and Manchester (6%). Searches for flights to Birmingham (5%), to Bristol (4%), and to Edinburgh (3%) are also popular.

Book cheap flights from Northern Ireland to the United Kingdom

Cheapest flights to the United Kingdom from Northern Ireland found in 2025

Recent return flight deals

28/8Thu
directRyanair
1h 20mBFS-STN
31/8Sun
directRyanair
1h 15mSTN-BFS
£30
28/8Thu
directeasyJet
1h 05mBFS-BHX
31/8Sun
directeasyJet
1h 05mBHX-BFS
£33
4/10Sat
directeasyJet
1h 10mBFS-LTN
5/10Sun
directeasyJet
1h 20mLTN-BFS
£33
4/10Sat
directeasyJet
1h 20mBFS-STN
5/10Sun
directeasyJet
1h 20mSTN-BFS
£33
3/10Fri
direct
0h 55mBFS-MAN
5/10Sun
direct
0h 55mMAN-BFS
£37
4/9Thu
directRyanair
1h 20mBFS-STN
7/9Sun
directRyanair
1h 15mSTN-BFS
£40
21/8Thu
directRyanair
1h 00mBFS-MAN
24/8Sun
directRyanair
0h 55mMAN-BFS
£42
20/9Sat
direct
0h 55mBFS-MAN
21/9Sun
direct
0h 55mMAN-BFS
£44
25/10Sat
directBritish Airways
1h 25mBHD-LHR
31/10Fri
directBritish Airways
1h 25mLHR-BHD
£75
21/11Fri
directBritish Airways
1h 20mBHD-LHR
22/11Sat
directBritish Airways
1h 25mLHR-BHD
£77

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Recent one-way flight deals

4/9Thu
directeasyJet
1h 10mBFS-LTN
£15
4/9Thu
directeasyJet
1h 35mBFS-LGW
£15
3/10Fri
directeasyJet
1h 15mBFS-STN
£15
23/7Wed
directRyanair
1h 20mBFS-STN
£15
24/7Thu
directRyanair
1h 00mBFS-MAN
£18
3/8Sun
directRyanair
1h 00mBFS-MAN
£43
27/9Sat
directBritish Airways
1h 20mBHD-LHR
£45
24/10Fri
directBritish Airways
1h 20mBHD-LHR
£46
4/8Mon
1 stop
7h 45mBFS-STN
£49
21/7Mon
1 stop
8h 05mBFS-LTN
£58

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Last minute flights from Northern Ireland to the United Kingdom

Last minute flight, train and bus deals

15/7Tue
directRyanair
1h 00mBFS-MAN
17/7Thu
directRyanair
0h 55mMAN-BFS
£80
14/7Mon
directRyanair
1h 20mBFS-STN
31/7Thu
directRyanair
1h 15mSTN-BFS
£86
12/7Sat
directeasyJet
0h 55mBFS-MAN
15/7Tue
directeasyJet
1h 00mMAN-BFS
£88
15/7Tue
directeasyJet
1h 10mBFS-LTN
22/7Tue
multi-stopeasyJet
8h 05mLTN-BFS
£90
11/7Fri
direct
0h 55mBFS-MAN
16/7Wed
direct
0h 55mMAN-BFS
£121
15/7Tue
direct
1h 20mBFS-STN
22/7Tue
multi-stop
22h 30mSTN-BFS
£121
13/7Sun
directRyanair
1h 20mBFS-STN
21/7Mon
directRyanair
1h 15mSTN-BFS
£122
14/7Mon
directBritish Airways
1h 20mBHD-LHR
31/7Thu
directBritish Airways
1h 20mLHR-BHD
£136
16/7Wed
directBritish Airways
1h 30mBHD-LHR
23/7Wed
directBritish Airways
1h 20mLHR-BHD
£139
11/7Fri
directRyanair
1h 20mBFS-STN
12/7Sat
directRyanair
1h 15mSTN-BFS
£169

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Everything you need to know for your flight to the United Kingdom

Cabin class types available on flights to Northern Ireland

Cabin classes available on flights to Northern Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to the United Kingdomfrom £8,423
Business Class flights to the United Kingdomfrom £235
Prem Econ Class flights to the United Kingdomfrom £804
Economy class flights to the United Kingdomfrom £17

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