Cheap flights

Cheap flights from United Kingdom to Ireland

Track the cheapest United Kingdom–Ireland fares — currently from €50.

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Fares shown in EUR, observed from live searches.

Here's everything you need to book a cheap flight from United Kingdom to Ireland: the cheapest fares we've tracked, how prices change month to month, and a free alert that watches the route for you.

United Kingdom to Ireland flight prices by month

The cheapest month to fly United Kingdom to Ireland is Aug 2026, with fares from €50. Use the table below to find the cheapest time to travel.

MonthCheapest fare
Jul 2026€62
Aug 2026Cheapest€50
Sep 2026€60
Oct 2026€126

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Frequently asked questions

How much is a flight from United Kingdom to Ireland?

The cheapest United Kingdom–Ireland fare we've tracked recently is €50 one-way. The lowest prices usually appear in Aug 2026.

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

Aug 2026 is currently the cheapest month to fly from United Kingdom to Ireland, with fares from €50. See the month-by-month table above for the full year.

How far in advance should I book United Kingdom to Ireland?

For United Kingdom–Ireland, booking a few weeks to a few months ahead usually gives the best price. Flexible dates and mid-week departures help you save even more.

Can I set a price alert for United Kingdom to Ireland?

Yes — Flyozo watches the United Kingdom–Ireland route for free and emails you the moment the fare drops.

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Prices on this page are observed from live flight searches (103,030 recent fares), not estimates. Last updated Jul 30, 2026. Actual prices change constantly — always confirm on the booking site.