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

Return flights

06 Mar - 10 Mar	SWISS
04 Mar - 11 Mar	SWISS
06 Mar - 11 Mar	SWISS
06 Mar - 09 Mar	SWISS
19 Mar - 23 Mar	SWISS
17 Mar - 24 Mar	SWISS
12 Mar - 15 Mar	SWISS
06 Mar - 08 Mar	SWISS
12 Mar - 18 Mar	SWISS
03 Mar - 10 Mar	SWISS
24 Mar - 14 Apr	Lufthansa
30 Mar - 19 Apr	British Airways
23 Mar - 13 Apr	SWISS
24 Mar - 20 Apr	Iberia
31 Mar - 09 Apr	ITA Airways
07 Mar - 06 Apr	British Airways
16 Mar - 15 Apr	Aer Lingus
24 Mar - 19 Apr	Iberia
23 Mar - 05 Apr	Vueling Airlines
24 Mar - 05 Apr	Vueling 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 $471

Return flights