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

Return flights

24 Mar - 30 Mar	TAP
05 Mar - 09 Mar	TAP
23 Mar - 30 Mar	TAP
16 Mar - 24 Mar	TAP
12 Mar - 19 Mar	TAP
10 Mar - 24 Mar	TAP
05 Mar - 18 Mar	TAP
17 Mar - 24 Mar	TAP
12 Mar - 18 Mar	TAP
05 Mar - 19 Mar	TAP
17 Mar - 15 Apr	TAP
24 Mar - 16 Apr	Icelandair
29 Mar - 13 Apr	TAP
05 Mar - 01 Apr	Icelandair
24 Mar - 01 Apr	Icelandair
31 Mar - 13 Apr	TAP
17 Mar - 16 Apr	Icelandair
25 Mar - 09 Apr	TAP
24 Mar - 07 Apr	TAP
20 Mar - 08 Apr	Scandinavian Airlines

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

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Cheapest return flights from London to Newark in March from 378€

Return flights