Cheap flights from London to Belfast from £15

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest

£15

easyJet, flight U2 985Found 4 days ago, 1 adult

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07:30LondonMon, Dec 14

Travel time 1h 30m, nonstopSENBHD

09:00BelfastMon, Dec 14

£16

Ryanair UK, flight RK 131Found 6 days ago, 1 adult

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22:00LondonWed, Oct 7

Travel time 1h 20m, nonstopSTNBFS

23:20BelfastWed, Oct 7

£16

Ryanair, flight FR 131Found 3 days ago, 1 adult

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16:35LondonThu, Oct 15

Travel time 1h 20m, nonstopSTNBFS

17:55BelfastThu, Oct 15

£16

Ryanair UK, flight RK 129Found yesterday, 1 adult

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06:35LondonTue, Oct 27

Travel time 1h 20m, nonstopSTNBFS

07:55BelfastTue, Oct 27

£16

Ryanair, flight FR 129Found 2 days ago, 1 adult

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07:50LondonMon, Nov 2

Travel time 1h 20m, nonstopSTNBFS

09:10BelfastMon, Nov 2

Round trips

The cheapest return tickets found recently, price for the whole trip.

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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234£58 5£46 6£20 7£16 8£20 9£20 10£20 11£29 12£25 13£18 14£19 15£16 16–17–18£30 19–20£17 21£17 22£20 23£40 24–25£39 26–27£16 28£28 29£41 30£43 31£18

November 2026

MoTuWeThFrSaSu1£19 2£16 3£18 4–5–6–7£21 8–9£16 10–11–12–13£16 14£19 15£16 16£17 17£23 18£18 19£19 20£17 21–22–23–24£17 25–26–27£18 28–29–30–

December 2026

MoTuWeThFrSaSu1£19 2£18345678910111213141516171819202122232425262728293031

£17 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 7, £16.

Lowest fares by month

In the fares found this week, December has the lowest: from £15 one-way, against £36 in September 2027. Pick a month to see its cheapest date.

Show as a table

Month	Cheapest one-way	Date	Stops
October	£16	Thu, Oct 15	Nonstop
November	—
December	£15	Mon, Dec 14	Nonstop
January 2027	£19	Fri, Jan 1	Nonstop
February 2027	£21	Sun, Feb 7	Nonstop
March 2027	£32	Fri, Mar 5	Nonstop
April 2027	—
May 2027	—
June 2027	—
July 2027	—
August 2027	—
September 2027	£36	Tue, Sep 28	Nonstop

Questions travellers ask

What is the cheapest month to fly from London to Belfast?

In the fares found this week, December has the lowest: from £15 one-way, against £36 in September 2027.

Are there direct flights from London to Belfast?

Yes. Recent fares include nonstop flights with easyJet, Ryanair and Ryanair UK.

How long is the flight from London to Belfast?

A nonstop flight takes about 1h 15m. The distance is 553 km.

Which day of the week is cheapest to fly?

In the fares we have, Tuesday departures are the cheapest, with a typical lowest fare of £19. Sunday is the priciest at about £29.

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