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Cheap flights from the United Kingdom to Belfast

LHR — BHD
26 Oct — 2 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from United Kingdom to Belfast

Popular in

July

Cheapest in

January

Average price

£67
Highest demand for flights based on searches. 24% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Belfast

How far ahead should I book a flight from United Kingdom to Belfast?

The price you pay for your flight from United Kingdom to Belfast may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from United Kingdom to Belfast?

Currently, January is the cheapest month in which you can book a flight from United Kingdom to Belfast (average of £62). Flying from United Kingdom to Belfast in July is currently the most expensive (average of £97). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to BFS?

A simple way to save on the total cost of your ticket is to fly from United Kingdom to Belfast in the morning. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from United Kingdom to Belfast?

Travellers seeking maximum savings on their United Kingdom to Belfast flight should consider departing on Sunday at midday when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Belfast

Check out reviews from past customers who have flown with Aer Lingus,easyJet, andBritish Airways from the United Kingdom to Belfast to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Boarding

7.4

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.3
Good
1,789 reviews
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Boarding

7.4

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
easyJet
6.9
Okay
1,929 reviews
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Boarding

7.4

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
British Airways
6.7
Okay
8,233 reviews
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Boarding

7.4

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Ryanair
6.5
Okay
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Boarding

7.4

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

  • What are the cheapest airlines to fly from United Kingdom to Belfast one-way?

    One-way options have recently been found by users for as low as £15 on Ryanair. Other airlines that offer cheap prices include easyJet from £16 and Aer Lingus from £32 one-way.

  • What are the most popular routes from United Kingdom to Belfast?

    Most travelers choose London Gatwick - Belfast Intl, London Luton - Belfast Intl or Manchester - Belfast Intl when deciding on the best route from United Kingdom to Belfast.

  • Can I find deals for flights from United Kingdom to Belfast that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Belfast.

  • Can I find deals for business class flights from United Kingdom to Belfast?

    Yes. Cheapflights offers flight deals from United Kingdom to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to Belfast?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to Belfast (average of £62). Flying from United Kingdom to Belfast in July is currently the most expensive (average of £97). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for United Kingdom to Belfast

Gatwick to Belfast Intl flights
Luton to Belfast Intl flights
Manchester to Belfast Intl flights
Heathrow to Belfast City flights
Gatwick to Belfast City flights
Stansted to Belfast City flights
London City to Belfast City flights
Luton to Belfast City flights
Birmingham to Belfast Intl flights
Manchester to Belfast City flights
Liverpool to Belfast Intl flights
Edinburgh to Belfast Intl flights
Leeds to Belfast Intl flights
Heathrow to Belfast Intl flights
Dublin to Belfast Intl flights
Charles de Gaulle to Belfast Intl flights
Beauvais-Tille to Belfast Intl flights
London City to Belfast Intl flights
Stansted to Belfast Intl flights
Birmingham to Belfast City flights
Leeds to Belfast City flights
Liverpool to Belfast City flights
Edinburgh to Belfast City flights
Heathrow to Campbeltown flights
Dublin to Belfast City flights
Amsterdam to Belfast City flights
Shannon to Belfast Intl flights
Newcastle upon Tyne to Belfast Intl flights
Amsterdam to Belfast Intl flights
Frankfurt to Belfast Intl flights
Charles de Gaulle to Belfast City flights
Barcelona-El Prat to Belfast Intl flights
Southend to Belfast Intl flights
Liverpool to Derry flights
Duesseldorf Intl to Belfast Intl flights
Glasgow Intl to Belfast Intl flights
Bristol to Belfast Intl flights
Frederic Chopin to Belfast Intl flights
Shannon to Belfast City flights
Southampton to Belfast Intl flights
Cork to Belfast Intl flights
Heathrow to Derry flights
Newcastle upon Tyne to Belfast City flights
Alicante to Belfast Intl flights
Frankfurt to Belfast City flights
Leonardo da Vinci/Fiumicino to Belfast Intl flights
Bruxelles-National to Belfast Intl flights
East Midlands to Belfast Intl flights

Top 5 airlines flying from United Kingdom to Belfast

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£14Average£76FlexibilityNo cancel feeOn-time86%
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RyanairCheapest£16Average£54FlexibilityNo cancel feeOn-timeN/A
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Aer LingusCheapest£39Average£101FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LoganairCheapest£70Average£194FlexibilityNo cancel feeOn-time79%
Search Loganair flights
British AirwaysCheapest£93Average£146FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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How does Cheapflights help users find flights from United Kingdom to Belfast?

When you search for this flight from United Kingdom to Belfast, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Belfast?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast from United Kingdom.

Can Cheapflights find flights from United Kingdom to Belfast with no change fees?

Yes! Cheapflights helps users easily find flights from United Kingdom to Belfast with no change fees.

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