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

Return flights

09 Mar - 18 Mar	Aer Lingus
19 Mar - 29 Mar	Air Canada
22 Mar - 28 Mar	Air Canada
27 Mar - 31 Mar	Air Canada
08 Mar - 17 Mar	Air Canada
30 Mar - 12 Apr	Air Canada
10 Mar - 19 Mar	Air Canada
27 Mar - 06 Apr	Air Canada
03 Mar - 10 Mar	Austrian Airlines
27 Mar - 02 Apr	Air Canada
24 Mar - 02 Apr	Air Canada
14 Mar - 23 Mar	Scandinavian Airlines
04 Mar - 08 Mar	Aer Lingus
05 Mar - 13 Mar	SWISS
30 Mar - 09 Apr	SWISS
29 Mar - 02 Apr	Air Canada
23 Mar - 07 Apr	TAP
30 Mar - 30 Apr	Iberia
26 Mar - 07 Apr	Scandinavian Airlines
31 Mar - 30 Apr	Iberia

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.

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Cheapest return flights from Newark to London in March from 341€

Return flights