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

Return flights

03 Mar - 10 Mar	TAP
04 Mar - 09 Mar	TAP
02 Mar - 09 Mar	TAP
15 Mar - 24 Mar	TAP
09 Mar - 16 Mar	TAP
04 Mar - 11 Mar	TAP
18 Mar - 24 Mar	TAP
24 Mar - 07 Apr	TAP
23 Mar - 14 Apr	Aer Lingus
11 Mar - 25 Mar	Icelandair
17 Mar - 22 Mar	TAP
25 Mar - 01 Apr	TAP
16 Mar - 15 Apr	TAP
01 Mar - 06 Mar	Icelandair
29 Mar - 18 Apr	TAP
31 Mar - 07 Apr	TAP
31 Mar - 08 Apr	TAP
18 Mar - 11 Apr	TAP
15 Mar - 04 Apr	Air Canada
17 Mar - 18 Apr	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 $414

Return flights