United flights to London

The best United flight deals to London

Looking for a last minute deal or the best direct flight? Find the biggest savings on one-way and return trips to London with United.

Flying to London with United

The things to know before you go.
Cheapest month to flyFebruary

Flying to London with United: FAQs

The average United flight time from Ireland to London is 1 hour and 23 minutes.
At the moment, British Airways, Aer Lingus, Ryanair, Qatar Airways and American Airlines all fly to London too.
United currently also flies to Chicago O'Hare International, Houston George Bush Intercntl. and San Francisco International.