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

Return flights

09 Mar - 16 Mar	Scandinavian Airlines
11 Mar - 18 Mar	TAP
10 Mar - 17 Mar	TAP
16 Mar - 23 Mar	TAP
05 Mar - 19 Mar	TAP
17 Mar - 21 Mar	TAP
19 Mar - 27 Mar	TAP
06 Mar - 15 Mar	TAP
14 Mar - 14 Apr	TAP
13 Mar - 22 Mar	TAP
21 Mar - 04 Apr	Aer Lingus
25 Mar - 04 Apr	TAP
29 Mar - 11 Apr	TAP
18 Mar - 01 Apr	Aer Lingus
09 Mar - 13 Mar	TAP

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 $560

Return flights