AirHint found the following cheapest return flights from Newark (EWR) to London (LHR) in March 2026 (see full year).

Return flights

09 Mar - 18 Mar	TAP
02 Mar - 24 Mar	Icelandair
27 Mar - 31 Mar	Air Canada
02 Mar - 06 Mar	Icelandair
10 Mar - 19 Mar	Aer Lingus
04 Mar - 11 Mar	TAP
10 Mar - 17 Mar	TAP
01 Mar - 11 Mar	TAP
04 Mar - 09 Mar	TAP
09 Mar - 11 Mar	Aer Lingus
23 Mar - 07 Apr	Air Canada
30 Mar - 19 Apr	Aer Lingus
29 Mar - 14 Apr	Lufthansa
29 Mar - 15 Apr	Lufthansa
17 Mar - 03 Apr	Air Canada
03 Mar - 01 Apr	Aer Lingus
29 Mar - 19 Apr	Aer Lingus
17 Mar - 18 Apr	Aer Lingus
30 Mar - 30 Apr	Aer Lingus
29 Mar - 01 Apr	Aer Lingus

Also check the deals for one-way flights from Newark to London in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Newark to London in March from 403€

Return flights