Cheap flights from Knock from €30

Recently, our users have seen Aer Lingus and Ryanair offering the cheapest flights from Knock. Aer Lingus has flights from Knock to London from €19, and Ryanair has flights from Knock to Liverpool starting at €36.

Currently, the cheapest flight from Knock found by our users is for €34 to Alicante. Prices will vary according to several factors such as departure date and time, but on average you can expect to pay around €55 to travel from Knock to Alicante.

momondo users have found that the most frequent flights from Knock are to London and London Heathrow Airport. On average, services to these destinations operate 5 and 3 times daily.

Airlines including Ryanair and Aer Lingus frequently fly from Knock. You can view other airlines by performing a quick search in the form above.

Prices for flights from Knock Intl Airport are refreshed on a daily basis.

There are 2 operators available for flights from Knock Intl Airport as of August 2026.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Knock Intl Airport.

The required travel and health documents for your Knock Intl Airport 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 licence and a passport valid for six months after your intended arrival at Knock Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.